///////////////////////////////////////////////////////////////////////////////
//
// IMPORTANT NOTICE
//
// The following open source license statement does not apply to any
// entity in the Exception List published by FMSoft.
//
// For more information, please visit:
//
// https://www.fmsoft.cn/exception-list
//
//////////////////////////////////////////////////////////////////////////////
/*
* This file is part of MiniGUI, a mature cross-platform windowing
* and Graphics User Interface (GUI) support system for embedded systems
* and smart IoT devices.
*
* Copyright (C) 2002~2020, Beijing FMSoft Technologies Co., Ltd.
* Copyright (C) 1998~2002, WEI Yongming
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*
* Or,
*
* As this program is a library, any link to this program must follow
* GNU General Public License version 3 (GPLv3). If you cannot accept
* GPLv3, you need to be licensed from FMSoft.
*
* If you have got a commercial license of this program, please use it
* under the terms and conditions of the commercial license.
*
* For more information about the commercial license, please refer to
* .
*/
/*
** window.c: The Window module.
**
** Create date: 1999.04.19
*/
#include
#include
#include
#include
#include "common.h"
#include "minigui.h"
#include "gdi.h"
#include "window.h"
#include "control.h"
#include "cliprect.h"
#include "gal.h"
#include "internals.h"
#include "menu.h"
#include "ctrlclass.h"
#include "element.h"
#include "dc.h"
#include "debug.h"
#ifdef _MGRM_PROCESSES
#include "client.h"
#endif
#include "license.h"
#ifdef _MG_ENABLE_LICENSE
# include "../sysres/license/c_files/04_progressbar-bk.dat.c"
#endif
#ifndef __TARGET_UNKNOWN__
unsigned int g_license_processor_id;
#endif
#ifdef _MGHAVE_MENU
/* function defined in menu module. */
void DrawMenuBarHelper (const MAINWIN *pWin, HDC hdc, const RECT* pClipRect);
#endif
/* functions defined in caret module. */
BOOL BlinkCaret (HWND hWnd);
void GetCaretBitmaps (PCARETINFO pCaretInfo);
static void RecalcScrollInfo (PMAINWIN pWin, BOOL bIsHBar);
/* this message will auto-repeat when MSG_IDLE received */
static MSG sg_repeat_msg = {0, 0, 0, 0};
void GUIAPI SetAutoRepeatMessage (HWND hwnd, UINT msg,
WPARAM wParam, LPARAM lParam)
{
PMAINWIN pWin = (PMAINWIN)hwnd;
/* if hwnd is zero, disable repeate message */
if (hwnd == 0) {
sg_repeat_msg.hwnd = 0;
sg_repeat_msg.message = 0;
sg_repeat_msg.wParam = 0;
sg_repeat_msg.lParam = 0;
return;
}
else if (hwnd == HWND_INVALID || pWin->DataType != TYPE_HWND)
return;
sg_repeat_msg.hwnd = hwnd;
sg_repeat_msg.message = msg;
sg_repeat_msg.wParam = wParam;
sg_repeat_msg.lParam = lParam;
}
static void RecalcClientArea (HWND hWnd)
{
PMAINWIN pWin = (PMAINWIN)hWnd;
RECT rcWin, rcClient;
int win_w, win_h, dc_w, dc_h;
PDC secondary_pdc;
memcpy (&rcWin, &pWin->left, sizeof (RECT));
memcpy (&rcClient, &pWin->cl, sizeof (RECT));
if (SendAsyncMessage (hWnd, MSG_SIZECHANGED,
(WPARAM)&rcWin, (LPARAM)&rcClient))
memcpy (&pWin->cl, &rcClient, sizeof(RECT));
if ((pWin->WinType == TYPE_MAINWIN) && pWin->secondaryDC) {
win_w = RECTWP((const RECT*)&pWin->left);
win_h = RECTHP((const RECT*)&pWin->left);
secondary_pdc = dc_HDC2PDC (pWin->secondaryDC);
dc_w = RECTW (secondary_pdc->DevRC);
dc_h = RECTH (secondary_pdc->DevRC);
if ((win_w > dc_w) || (win_h > dc_h)) {
DeleteSecondaryDC (hWnd);
pWin->secondaryDC = CreateSecondaryDC ((HWND)pWin);
if (pWin->secondaryDC == HDC_INVALID) {
/* remove the flag of WS_EX_AUTOSECONDARYDC */
pWin->dwExStyle = pWin->dwExStyle | WS_EX_AUTOSECONDARYDC;
pWin->secondaryDC = 0;
}
/* update the privCDC of pWin and child window. */
if (pWin->dwExStyle & WS_EX_USEPRIVATECDC) {
PCONTROL pNext;
PCONTROL pCtrl = (PCONTROL)(pWin->hFirstChild);
while (pCtrl) {
pNext = pCtrl->next;
if (pCtrl->dwExStyle & WS_EX_USEPRIVATECDC) {
ReleaseSecondarySubDC (pCtrl->privCDC);
pCtrl->privCDC = GetSecondarySubDC (pWin->secondaryDC,
(HWND)pCtrl, TRUE);
}
pCtrl = pNext;
}
ReleaseSecondarySubDC (pWin->privCDC);
pWin->privCDC = GetSecondarySubDC (pWin->secondaryDC,
(HWND)pWin, TRUE);
}
}
}
SendNotifyMessage (hWnd, MSG_CSIZECHANGED,
pWin->cr - pWin->cl, pWin->cb - pWin->ct);
}
static PCONTROL wndMouseInWhichControl (PMAINWIN pWin, int x, int y,
int* UndHitCode)
{
PCONTROL pCtrl;
int hitcode;
RECT rect;
unsigned short idx;
MASKRECT *maskrect;
pCtrl = (PCONTROL)pWin->hPrimitive;
if (pCtrl) {
if (pCtrl->primitive) {
if (UndHitCode)
*UndHitCode = HT_CLIENT;
return pCtrl;
}
else {
hitcode = SendAsyncMessage ((HWND)pCtrl, MSG_HITTEST,
(WPARAM)x, (LPARAM)y);
if (hitcode != HT_OUT && hitcode != HT_TRANSPARENT) {
if (UndHitCode)
*UndHitCode = hitcode;
return pCtrl;
}
}
}
for (pCtrl = (PCONTROL)(pWin->hFirstChild); pCtrl && pCtrl->next; pCtrl = pCtrl->next);
while (pCtrl) {
/* WS_EX_CRLASMAINWIN is also need to check.*/
//if (pCtrl->dwStyle & WS_VISIBLE &&
// !(pCtrl->dwExStyle & WS_EX_CTRLASMAINWIN))
if (pCtrl->dwStyle & WS_VISIBLE) {
maskrect = pCtrl->mask_rects;
if (!maskrect) {
rect.left = pCtrl->left;
rect.top = pCtrl->top;
rect.right = pCtrl->right;
rect.bottom = pCtrl->bottom;
if (PtInRect (&rect, x, y)) {
hitcode = SendAsyncMessage((HWND)pCtrl, MSG_HITTEST,
(WPARAM)x, (LPARAM)y);
if (hitcode != HT_OUT && hitcode != HT_TRANSPARENT) {
if (UndHitCode) {
*UndHitCode = hitcode;
}
return pCtrl;
}
}
}
else {
idx = 0;
do {
rect.left = (maskrect + idx)->left + pCtrl->left;
rect.top = (maskrect + idx)->top + pCtrl->top;
rect.right = (maskrect + idx)->right + pCtrl->left;
rect.bottom = (maskrect + idx)->bottom + pCtrl->top;
if (PtInRect (&rect, x, y)) {
hitcode = SendAsyncMessage((HWND)pCtrl, MSG_HITTEST,
(WPARAM)x, (LPARAM)y);
if (hitcode != HT_OUT && hitcode != HT_TRANSPARENT) {
if (UndHitCode) {
*UndHitCode = hitcode;
}
return pCtrl;
}
/** ignore this control and check the next */
break;
}
idx = (maskrect + idx)->next;
} while (idx != 0);
}
}
pCtrl = pCtrl->prev;
}
return NULL;
}
HWND GUIAPI GetWindowUnderCursor (void)
{
POINT pt;
PCONTROL pCtrl, pchild;
int cx, cy;
GetCursorPos (&pt);
pCtrl = (PCONTROL)gui_GetMainWindowPtrUnderPoint (pt.x, pt.y);
if (!pCtrl) return 0;
do {
cx = pt.x; cy = pt.y;
ScreenToClient ((HWND)pCtrl, &cx, &cy);
pchild = wndMouseInWhichControl ((PMAINWIN)pCtrl, cx, cy, NULL);
if (!pchild) break;
pCtrl = pchild;
} while (1);
return (HWND)pCtrl;
}
HWND GUIAPI WindowFromPointEx (POINT pt, BOOL bRecursion)
{
HWND hChild;
HWND hParent = (HWND)gui_GetMainWindowPtrUnderPoint (pt.x, pt.y);
if (hParent && bRecursion) {
ScreenToClient(hParent, &pt.x, &pt.y);
hChild = ChildWindowFromPointEx(hParent, pt,
CWP_SKIPINVISIBLE | CWP_SKIPDISABLED);
while (hChild != HWND_NULL) {
ClientToScreen(hParent, &pt.x, &pt.y);
ScreenToClient(hChild, &pt.x, &pt.y);
hParent = hChild;
hChild = ChildWindowFromPointEx(hParent, pt,
CWP_SKIPINVISIBLE | CWP_SKIPDISABLED);
//TODO:not support static control
}
return IsWindow(hChild)?hChild:hParent;
}
else
return hParent;
return HWND_NULL;
}
//should found the above(last created) control, not previous created window.
HWND GUIAPI ChildWindowFromPointEx (HWND hParent, POINT pt, UINT uFlags)
{
PMAINWIN pWin;
PCONTROL pCtrl;
HWND pRet = HWND_NULL;
RECT rect;
unsigned short idx;
MASKRECT *maskrect;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW (hParent), HWND_NULL);
pWin = MG_GET_WINDOW_PTR (hParent);
pCtrl = (PCONTROL)(pWin->hFirstChild);
while (pCtrl) {
if ((uFlags & CWP_SKIPINVISIBLE) && !(pCtrl->dwStyle & WS_VISIBLE)) {
pCtrl = pCtrl->next;
continue;
}
if ((uFlags & CWP_SKIPDISABLED) && (pCtrl->dwStyle & WS_DISABLED)) {
pCtrl = pCtrl->next;
continue;
}
if ((uFlags & CWP_SKIPTRANSPARENT) && (pCtrl->dwExStyle & WS_EX_TRANSPARENT)) {
pCtrl = pCtrl->next;
continue;
}
maskrect = pCtrl->mask_rects;
if (!maskrect) {
rect.left = pCtrl->left;
rect.top = pCtrl->top;
rect.right = pCtrl->right;
rect.bottom = pCtrl->bottom;
if (PtInRect (&rect, pt.x, pt.y)) {
pRet = (HWND)pCtrl;
pCtrl = pCtrl->next;
continue;
}
}
else {
idx = 0;
do {
rect.left = (maskrect + idx)->left + pCtrl->left;
rect.top = (maskrect + idx)->top + pCtrl->top;
rect.right = (maskrect + idx)->right + pCtrl->left;
rect.bottom = (maskrect + idx)->bottom + pCtrl->top;
if (PtInRect (&rect, pt.x, pt.y)) {
pRet = (HWND)pCtrl;
break;
}
idx = (maskrect + idx)->next;
} while (idx != 0);
}
pCtrl = pCtrl->next;
}
return pRet;
}
/* NOTE:
** this function is CONTROL mouse messages handler,
** can automaticly capture mouse depend on HITTEST code.
*/
static PCONTROL __mgs_captured_ctrl = NULL;
void __mg_reset_mainwin_capture_info (PCONTROL ctrl)
{
if ((ctrl == NULL || ctrl == __mgs_captured_ctrl)
|| (__mgs_captured_ctrl
&& __mgs_captured_ctrl->pMainWin == (PMAINWIN)ctrl)) {
POINT mousePos;
ReleaseCapture ();
__mgs_captured_ctrl = NULL;
GetCursorPos (&mousePos);
PostMessage (HWND_DESKTOP, MSG_MOUSEMOVE,
0, MAKELONG (mousePos.x, mousePos.y));
}
}
static LRESULT DefaultDTMouseMsgHandler (PMAINWIN pWin, UINT message,
WPARAM flags, int x, int y)
{
int hc_mainwin = HT_UNKNOWN;
int cx, cy;
PCONTROL pCtrl = NULL;
if (pWin->dwStyle & WS_DISABLED)
return 0;
cx = x - pWin->cl;
cy = y - pWin->ct;
/* houhh 20081023, BUGFIX for can not click combox's listbox
* out of Mainwin.*/
pCtrl = wndMouseInWhichControl (pWin, cx, cy, &hc_mainwin);
if (pCtrl == NULL) {
hc_mainwin = SendAsyncMessage((HWND)pWin, MSG_HITTEST,
(WPARAM)x, (LPARAM)y);
pCtrl = (PCONTROL)pWin;
}
else {
hc_mainwin = HT_CLIENT;
}
/* houhh 20080804, if click on scrollbar of mainwin's control, then
* need to change hc_mainwin, else click on scrollbar of mainwin,
* hc_mainwin can not change to HT_CLIENT. */
if (pCtrl && pCtrl->WinType == TYPE_CONTROL &&
(hc_mainwin >= HT_SB_LEFTARROW &&
hc_mainwin <= HT_SB_VTHUMB))
hc_mainwin = HT_CLIENT;
switch (message) {
case MSG_DT_MOUSEMOVE:
if (hc_mainwin == HT_CLIENT) {
PostMessage ((HWND)pWin, MSG_SETCURSOR,
0, MAKELONG (cx, cy));
}
else {
PostMessage ((HWND)pWin, MSG_NCSETCURSOR,
hc_mainwin, MAKELONG (cx, cy));
}
// fallthrough
case MSG_DT_LBUTTONDBLCLK:
case MSG_DT_RBUTTONDBLCLK:
if (hc_mainwin == HT_CLIENT) {
PostMessage((HWND)pWin,
message + (MSG_NCMOUSEOFF - MSG_DT_MOUSEOFF),
hc_mainwin, MAKELONG (x, y));
PostMessage((HWND)pWin,
message - MSG_DT_MOUSEOFF,
flags, MAKELONG (cx, cy));
}
else {
PostMessage((HWND)pWin,
message + (MSG_NCMOUSEOFF - MSG_DT_MOUSEOFF),
hc_mainwin, MAKELONG (x, y));
}
break;
case MSG_DT_LBUTTONDOWN:
case MSG_DT_RBUTTONDOWN:
if (hc_mainwin != HT_CLIENT) {
PostMessage ((HWND)pWin,
message + (MSG_NCMOUSEOFF - MSG_DT_MOUSEOFF),
hc_mainwin, MAKELONG (x, y));
}
else {
PostMessage((HWND)pWin,
message - MSG_DT_MOUSEOFF,
flags, MAKELONG(cx, cy));
}
break;
case MSG_DT_LBUTTONUP:
case MSG_DT_RBUTTONUP:
if (hc_mainwin == HT_CLIENT) {
PostMessage((HWND)pWin,
message - MSG_DT_MOUSEOFF,
flags, MAKELONG(cx, cy));
}
else {
PostMessage ((HWND)pWin,
message + (MSG_NCMOUSEOFF - MSG_DT_MOUSEOFF),
hc_mainwin, MAKELONG (x, y));
}
break;
}
return 0;
}
static LRESULT DefaultMouseMsgHandler (PMAINWIN pWin, UINT message,
WPARAM flags, int x, int y)
{
static PMAINWIN __mgs_captured_win = NULL;
PCONTROL pUnderPointer;
int CapHitCode = HT_UNKNOWN;
int UndHitCode = HT_UNKNOWN;
int cx = 0, cy = 0;
if (__mgs_captured_ctrl) {
/* convert to parent window's client coordinates. */
ScreenToClient ((HWND)__mgs_captured_win, &x, &y);
CapHitCode = SendAsyncMessage((HWND)__mgs_captured_ctrl, MSG_HITTEST,
(WPARAM)x, (LPARAM)y);
pUnderPointer = NULL;
}
else {
pUnderPointer = wndMouseInWhichControl (pWin, x, y, &UndHitCode);
if (pUnderPointer && (pUnderPointer->dwStyle & WS_DISABLED))
pUnderPointer = NULL;
if (pUnderPointer) {
cx = x - pUnderPointer->cl;
cy = y - pUnderPointer->ct;
}
}
switch (message) {
case MSG_MOUSEMOVE:
if (__mgs_captured_ctrl)
PostMessage((HWND)__mgs_captured_ctrl, MSG_NCMOUSEMOVE,
CapHitCode, MAKELONG (x, y));
else {
if (pWin->hOldUnderPointer != (HWND)pUnderPointer) {
if (pWin->hOldUnderPointer) {
PostMessage ((HWND)pWin->hOldUnderPointer,
MSG_MOUSEMOVEIN, FALSE, (LPARAM)pUnderPointer);
PostMessage ((HWND)pWin->hOldUnderPointer,
MSG_NCMOUSEMOVE, HT_OUT, MAKELONG (x, y));
}
if (pUnderPointer)
PostMessage ((HWND)pUnderPointer, MSG_MOUSEMOVEIN,
TRUE, (LPARAM)pWin->hOldUnderPointer);
pWin->hOldUnderPointer = (HWND)pUnderPointer;
}
if (pUnderPointer == NULL) {
pWin->hOldUnderPointer = 0;
break;
}
if (pUnderPointer->dwStyle & WS_DISABLED) {
SetCursor (GetSystemCursor (IDC_ARROW));
break;
}
if (UndHitCode == HT_CLIENT) {
PostMessage ((HWND)pUnderPointer,
MSG_SETCURSOR, 0, MAKELONG (cx, cy));
PostMessage((HWND)pUnderPointer, MSG_NCMOUSEMOVE,
UndHitCode, MAKELONG (x, y));
PostMessage((HWND)pUnderPointer, MSG_MOUSEMOVE,
flags, MAKELONG (cx, cy));
}
else
{
PostMessage((HWND)pUnderPointer, MSG_NCSETCURSOR,
UndHitCode, MAKELONG (x, y));
PostMessage((HWND)pUnderPointer, MSG_NCMOUSEMOVE,
UndHitCode, MAKELONG (x, y));
}
}
break;
case MSG_LBUTTONDOWN:
case MSG_RBUTTONDOWN:
case MSG_MBUTTONDOWN:
if (pUnderPointer) {
if (pUnderPointer->dwStyle & WS_DISABLED) {
Ping ();
break;
}
SendNotifyMessage ((HWND) pUnderPointer,
MSG_MOUSEACTIVE, UndHitCode, 0);
if (UndHitCode != HT_CLIENT) {
if (UndHitCode & HT_NEEDCAPTURE
&& message == MSG_LBUTTONDOWN) {
SetCapture ((HWND)pWin);
__mgs_captured_win = pWin;
__mgs_captured_ctrl = pUnderPointer;
}
else
__mgs_captured_ctrl = NULL;
PostMessage ((HWND)pUnderPointer, message + MSG_NCMOUSEOFF,
UndHitCode, MAKELONG (x, y));
}
else if (__mgs_captured_ctrl == NULL) {
PostMessage((HWND)pUnderPointer, message,
flags, MAKELONG(cx, cy));
}
}
else if (pWin->hActiveChild) {
SendNotifyMessage (pWin->hActiveChild,
MSG_MOUSEACTIVE, HT_OUT, 0);
PostMessage (pWin->hActiveChild, message + MSG_NCMOUSEOFF,
HT_OUT, MAKELONG(x, y));
}
break;
case MSG_RBUTTONUP:
case MSG_LBUTTONUP:
case MSG_MBUTTONUP:
if (__mgs_captured_ctrl && message == MSG_LBUTTONUP) {
PostMessage ((HWND)__mgs_captured_ctrl,
message + MSG_NCMOUSEOFF,
CapHitCode, MAKELONG (x, y));
ReleaseCapture ();
__mgs_captured_win = NULL;
__mgs_captured_ctrl = NULL;
}
else if (pUnderPointer) {
if (pUnderPointer->dwStyle & WS_DISABLED) {
break;
}
if (UndHitCode == HT_CLIENT)
PostMessage((HWND)pUnderPointer, message,
flags, MAKELONG (cx, cy));
else
PostMessage((HWND)pUnderPointer, message + MSG_NCMOUSEOFF,
UndHitCode, MAKELONG (x, y));
}
else if (pWin->hActiveChild) {
PostMessage(pWin->hActiveChild, message + MSG_NCMOUSEOFF,
HT_OUT, MAKELONG(x, y));
}
break;
case MSG_LBUTTONDBLCLK:
case MSG_RBUTTONDBLCLK:
case MSG_MBUTTONDBLCLK:
if (pUnderPointer) {
if (pUnderPointer->dwStyle & WS_DISABLED) {
Ping ();
break;
}
if (UndHitCode == HT_CLIENT)
PostMessage((HWND)pUnderPointer, message,
flags, MAKELONG(cx, cy));
else
PostMessage((HWND)pUnderPointer, message + MSG_NCMOUSEOFF,
UndHitCode, MAKELONG (x, y));
}
else {
if (pWin->hActiveChild) {
PostMessage(pWin->hActiveChild, message + MSG_NCMOUSEOFF,
HT_OUT, MAKELONG(x, y));
}
}
break;
}
return 0;
}
BOOL wndGetVScrollBarRect (const MAINWIN* pWin,
RECT* rcVBar)
{
if (pWin->dwStyle & WS_VSCROLL) {
if (!GetWindowInfo((HWND)pWin)->we_rdr->calc_we_area (
(HWND)pWin, HT_VSCROLL, rcVBar))
return TRUE;
}
return FALSE;
}
BOOL wndGetHScrollBarRect (const MAINWIN* pWin,
RECT* rcHBar)
{
if (pWin->dwStyle & WS_HSCROLL) {
if (!GetWindowInfo((HWND)pWin)->we_rdr->calc_we_area (
(HWND)pWin, HT_HSCROLL, rcHBar))
return TRUE;
}
return FALSE;
}
/* rc: position relative to secondary_dc, so need transform
* it relative to real_dc(screen).*/
void __mg_update_secondary_dc (PMAINWIN pWin, HDC secondary_dc,
HDC real_dc, const RECT* update_rc, DWORD flags)
{
RECT wnd_rc, clip_rc, client_rc;
if (!dc_IsVisible((PDC)secondary_dc))
return;
if (!pWin->pMainWin->secondaryDC) {
return;
}
/* calculate offset postion. */
if (flags == HT_CLIENT) {
gui_WndClientRect ((HWND)pWin, &wnd_rc);
}
else {
gui_WndRect ((HWND)pWin, &wnd_rc);
}
/* 1. clip_rc.left/clip_rc.top is real_rc update in the screen (coordinate
* relative to screen).
* 2. clip_rc.left/clip_rc.top need translate update_rc to relative
* position of the the main window.
*
* XXX (VW): Use pWin->pMainWin->left and pWin->pMainWin->top to calculate
* the offset instead of real_dc's DevRC.
*/
clip_rc.left = wnd_rc.left + update_rc->left - pWin->pMainWin->left;
clip_rc.top = wnd_rc.top + update_rc->top - pWin->pMainWin->top;
clip_rc.right = clip_rc.left + RECTWP(update_rc);
clip_rc.bottom = clip_rc.top + RECTHP(update_rc);
IncludeClipRect (real_dc, &clip_rc);
/* exclude client rect. get non-client region.*/
if (flags == HT_BORDER) {
CopyRect (&client_rc, (const RECT*)&pWin->cl);
/* houhh 20090804, should be convert client_rc to relative pMainWin.*/
if (IsControl((HWND)pWin)) {
ClientToWindow((HWND)pWin->pMainWin, &client_rc.left, &client_rc.top);
ClientToWindow((HWND)pWin->pMainWin, &client_rc.right, &client_rc.bottom);
}
else
OffsetRect (&client_rc, -pWin->pMainWin->left, -pWin->pMainWin->top);
ExcludeClipRect (real_dc, &client_rc);
}
/* exclude tranparent client rect.*/
if (flags == HT_CLIENT) {
PCONTROL child;
RECT update_rc = pWin->pMainWin->update_rc;
child = (PCONTROL)pWin->hFirstChild;
while (child) {
//if ((child->dwStyle & WS_VISIBLE) && (child->dwExStyle & WS_EX_TRANSPARENT)
if ((child->dwStyle & WS_VISIBLE)
&& DoesIntersect ((const RECT*)&child->left, &update_rc)) {
RECT rcTmp;
gui_WndClientRect ((HWND)child, &rcTmp);
ScreenToClient ((HWND)pWin->pMainWin,
&rcTmp.left, &rcTmp.top);
ScreenToClient ((HWND)pWin->pMainWin,
&rcTmp.right, &rcTmp.bottom);
ExcludeClipRect (real_dc, &rcTmp);
}
child = child->next;
}
}
if (pWin->pMainWin->update_secdc == ON_UPDSECDC_DEFAULT) {
BitBlt (secondary_dc, update_rc->left, update_rc->top,
RECTWP(update_rc), RECTHP(update_rc),
real_dc, clip_rc.left, clip_rc.top, 0);
}
else if (pWin->pMainWin->update_secdc != ON_UPDSECDC_DONOTHING) {
if (flags == HT_CLIENT){
RECT main_update_rc;
SetRect(&main_update_rc, clip_rc.left, clip_rc.top,
clip_rc.right, clip_rc.bottom);
ClientToWindow((HWND)pWin->pMainWin,
&main_update_rc.left, &main_update_rc.top);
ClientToWindow((HWND)pWin->pMainWin,
&main_update_rc.right, &main_update_rc.bottom);
pWin->pMainWin->update_secdc ((HWND)pWin,
secondary_dc, real_dc, update_rc, &clip_rc, &main_update_rc);
}
else {
pWin->pMainWin->update_secdc ((HWND)pWin,
secondary_dc, real_dc, update_rc, &clip_rc, &clip_rc);
}
}
}
static void draw_secondary_nc_area (PMAINWIN pWin,
const WINDOW_ELEMENT_RENDERER* rdr,
HDC hdc, DWORD flags)
{
RECT rc;
HDC real_dc = 0;
do {
#if 0
/* houhh 20081012, the WS_EX_CTRLASMAINWIN style window have itself's pdc->pGCRInfo
* information, so the real_dc's global clip info should use itselft's. */
if (pWin->dwExStyle & WS_EX_CTRLASMAINWIN)
real_dc = GetDC ((HWND)pWin);
else
real_dc = GetDC ((HWND)pWin->pMainWin);
#else
real_dc = GetDC ((HWND)pWin->pMainWin);
#endif
if (rdr->calc_we_area ((HWND)pWin, flags, &rc))
break;
if (!IsRectEmpty(&rc)){
__mg_update_secondary_dc (pWin, hdc, real_dc, &rc, flags);
}
} while (FALSE);
if (real_dc)
ReleaseDC (real_dc);
}
static void ShrinkScrollbarClipRect(HWND hWnd, HDC hdc, const WINDOWINFO *_info, int downCode)
{
static HWND hWnd_old;
static LFSCROLLBARINFO vscroll_old;
static LFSCROLLBARINFO hscroll_old;
WINDOWINFO *info = (WINDOWINFO *)_info;
RECT rc_bound, rc_new, rc_old;
LFSCROLLBARINFO *p_scrollbar_info_old, *p_scrollbar_info_new;
LFSCROLLBARINFO scrollbar_info_bak;
int which;
if (hWnd != hWnd_old) {
hWnd_old = hWnd;
memset(&vscroll_old, 0, sizeof(vscroll_old));
memset(&hscroll_old, 0, sizeof(hscroll_old));
return;
}
if (downCode == HT_VSCROLL) {
p_scrollbar_info_old = &vscroll_old;
p_scrollbar_info_new = &info->vscroll;
which = HT_SB_VTHUMB;
}else if (downCode == HT_HSCROLL) {
p_scrollbar_info_old = &hscroll_old;
p_scrollbar_info_new = &info->hscroll;
which = HT_SB_HTHUMB;
}else{
return;
}
if (1
&& p_scrollbar_info_old->minPos == p_scrollbar_info_new->minPos
&& p_scrollbar_info_old->maxPos == p_scrollbar_info_new->maxPos
&& p_scrollbar_info_old->curPos != p_scrollbar_info_new->curPos /* Yes, != */
&& p_scrollbar_info_old->pageStep == p_scrollbar_info_new->pageStep
&& p_scrollbar_info_old->arrowLen == p_scrollbar_info_new->arrowLen
/* barStart */
&& p_scrollbar_info_old->barLen == p_scrollbar_info_new->barLen
&& p_scrollbar_info_old->status == p_scrollbar_info_new->status) {
info->we_rdr->calc_we_area(hWnd, which, &rc_new);
memcpy(&scrollbar_info_bak, p_scrollbar_info_new, sizeof(scrollbar_info_bak));
memcpy(p_scrollbar_info_new, p_scrollbar_info_old, sizeof(scrollbar_info_bak));
info->we_rdr->calc_we_area(hWnd, which, &rc_old);
memcpy(p_scrollbar_info_new, &scrollbar_info_bak, sizeof(scrollbar_info_bak));
GetBoundRect(&rc_bound, &rc_new, &rc_old);
/* [humingming.2010.9.7] for problem fashion render draw scrollbar's thumb framework bound.
* why add 1 pixel? don't answer me, try this code with MiniGUI:
*
* SetRect (&rc_bound, 10, 10, 10+50, 10+50);
* SetPenColor (hdc, PIXEL_blue);
* SetBrushColor (hdc, PIXEL_red);
*
* MoveTo (hdc, rc_bound.left, rc_bound.top);
* LineTo (hdc, rc_bound.right, rc_bound.top);
* LineTo (hdc, rc_bound.right, rc_bound.bottom);
* LineTo (hdc, rc_bound.left, rc_bound.bottom);
* LineTo (hdc, rc_bound.left, rc_bound.top);
*
* ClipRectIntersect(hdc, &rc_bound);
* FillBox (hdc, 0, 0, 500, 400);
*
* you check bound of the box's right and bottom carefully, and you will konw it. -_-||
*/
rc_bound.right += 1;
rc_bound.bottom += 1;
#if 0 /* to show the clip rect */
SetBrushColor(hdc, RGB2Pixel(hdc, 0xff, 0, 0));
FillBox(hdc, rc_bound.left, rc_bound.top, RECTW(rc_bound), RECTH(rc_bound));
usleep(100);
#endif
ClipRectIntersect(hdc, &rc_bound);
}
memcpy(p_scrollbar_info_old, p_scrollbar_info_new, sizeof(scrollbar_info_bak));
}
#define wndDrawNCButton(pWin, downCode, status) wndDrawNCButtonEx(pWin, 0, downCode, status)
static BOOL wndDrawNCButtonEx (PMAINWIN pWin, HDC hdc, int downCode, int status)
{
BOOL fGetDC = FALSE;
const WINDOWINFO *info = GetWindowInfo ((HWND)pWin);
static int _status =
SBS_PRESSED_LTUP | SBS_PRESSED_BTDN | SBS_PRESSED_THUMB |
SBS_HILITE_LTUP | SBS_HILITE_BTDN | SBS_HILITE_THUMB;
if(hdc == 0)
{
hdc = get_effective_dc (pWin, FALSE);
fGetDC = TRUE;
}
switch (downCode) {
case HT_ICON:
case HT_MAXBUTTON:
case HT_MINBUTTON:
case HT_CLOSEBUTTON: {
BOOL is_active = TRUE;
if (pWin->WinType == TYPE_MAINWIN)
is_active = !(pWin->dwStyle & WS_DISABLED) &&
(GetActiveWindow() == (HWND)pWin);
else
is_active = !(pWin->dwStyle & WS_DISABLED) &&
(((PCONTROL)pWin)->pParent->active == (PCONTROL)pWin);
if (is_active)
info->we_rdr->draw_caption_button ((HWND)pWin,
hdc, downCode, LFRDR_BTN_STATUS_NORMAL|status);
else
info->we_rdr->draw_caption_button ((HWND)pWin,
hdc, downCode, LFRDR_BTN_STATUS_INACTIVE|status);
if (pWin->pMainWin->secondaryDC) {
draw_secondary_nc_area (pWin, info->we_rdr, hdc, downCode);
}
release_effective_dc (pWin, hdc);
return TRUE;
}
case HT_SB_UPARROW: {
if (pWin->vscroll.curPos == pWin->vscroll.minPos) {
pWin->vscroll.status |= SBS_DISABLED_LTUP;
}
else {
pWin->vscroll.status &= ~SBS_DISABLED_LTUP;
}
if (status == LFRDR_BTN_STATUS_PRESSED)
pWin->vscroll.status |= SBS_PRESSED_LTUP;
else if (status == LFRDR_BTN_STATUS_HILITE)
pWin->vscroll.status |= SBS_HILITE_LTUP;
if (pWin->vscroll.curPos + pWin->vscroll.pageStep - 1
>= pWin->vscroll.maxPos)
pWin->vscroll.status |= SBS_DISABLED_BTDN;
else
pWin->vscroll.status &= ~SBS_DISABLED_BTDN;
break;
}
case HT_SB_DOWNARROW: {
if (pWin->vscroll.curPos + pWin->vscroll.pageStep - 1
>= pWin->vscroll.maxPos) {
pWin->vscroll.status |= SBS_DISABLED_BTDN;
}
else {
pWin->vscroll.status &= ~SBS_DISABLED_BTDN;
}
if (status == LFRDR_BTN_STATUS_PRESSED)
pWin->vscroll.status |= SBS_PRESSED_BTDN;
else if (status == LFRDR_BTN_STATUS_HILITE)
pWin->vscroll.status |= SBS_HILITE_BTDN;
if (pWin->vscroll.curPos == pWin->vscroll.minPos)
pWin->vscroll.status |= SBS_DISABLED_LTUP;
else
pWin->vscroll.status &= ~SBS_DISABLED_LTUP;
break;
}
case HT_SB_LEFTARROW: {
if (pWin->hscroll.curPos == pWin->hscroll.minPos) {
pWin->hscroll.status |= SBS_DISABLED_LTUP;
}
else {
pWin->hscroll.status &= ~SBS_DISABLED_LTUP;
}
if (status == LFRDR_BTN_STATUS_PRESSED)
pWin->hscroll.status |= SBS_PRESSED_LTUP;
else if (status == LFRDR_BTN_STATUS_HILITE)
pWin->hscroll.status |= SBS_HILITE_LTUP;
if (pWin->hscroll.curPos + pWin->hscroll.pageStep - 1
>= pWin->hscroll.maxPos)
pWin->hscroll.status |= SBS_DISABLED_BTDN;
else
pWin->hscroll.status &= ~SBS_DISABLED_BTDN;
break;
}
case HT_SB_RIGHTARROW: {
if (pWin->hscroll.curPos + pWin->hscroll.pageStep - 1
>= pWin->hscroll.maxPos) {
pWin->hscroll.status |= SBS_DISABLED_BTDN;
}
else {
pWin->hscroll.status &= ~SBS_DISABLED_BTDN;
}
if (status == LFRDR_BTN_STATUS_PRESSED)
pWin->hscroll.status |= SBS_PRESSED_BTDN;
else if (status == LFRDR_BTN_STATUS_HILITE)
pWin->hscroll.status |= SBS_HILITE_BTDN;
if (pWin->hscroll.curPos == pWin->hscroll.minPos)
pWin->hscroll.status |= SBS_DISABLED_LTUP;
else
pWin->hscroll.status &= ~SBS_DISABLED_LTUP;
break;
}
case HT_SB_HTHUMB: {
if (status == LFRDR_BTN_STATUS_HILITE)
pWin->hscroll.status |= SBS_HILITE_THUMB;
if (pWin->hscroll.curPos == pWin->hscroll.minPos)
pWin->hscroll.status |= SBS_DISABLED_LTUP;
else
pWin->hscroll.status &= ~SBS_DISABLED_LTUP;
if (pWin->hscroll.curPos + pWin->hscroll.pageStep - 1
>= pWin->hscroll.maxPos)
pWin->hscroll.status |= SBS_DISABLED_BTDN;
else
pWin->hscroll.status &= ~SBS_DISABLED_BTDN;
if (pWin->hscroll.pageStep < pWin->hscroll.maxPos
- pWin->hscroll.minPos + 1)
{
if (status == LFRDR_BTN_STATUS_PRESSED)
pWin->hscroll.status |= SBS_PRESSED_THUMB;
}
break;
}
case HT_SB_VTHUMB: {
if (status == LFRDR_BTN_STATUS_HILITE)
pWin->vscroll.status |= SBS_HILITE_THUMB;
if (pWin->vscroll.curPos == pWin->vscroll.minPos)
pWin->vscroll.status |= SBS_DISABLED_LTUP;
else
pWin->vscroll.status &= ~SBS_DISABLED_LTUP;
if (pWin->vscroll.curPos + pWin->vscroll.pageStep - 1
>= pWin->vscroll.maxPos)
pWin->vscroll.status |= SBS_DISABLED_BTDN;
else
pWin->vscroll.status &= ~SBS_DISABLED_BTDN;
if (pWin->vscroll.pageStep < pWin->vscroll.maxPos
- pWin->vscroll.minPos + 1) {
if (status == LFRDR_BTN_STATUS_PRESSED)
pWin->vscroll.status |= SBS_PRESSED_THUMB;
}
break;
}
case HT_SB_LEFTSPACE:
case HT_SB_RIGHTSPACE:
case HT_HSCROLL: {
if (pWin->hscroll.curPos == pWin->hscroll.minPos)
pWin->hscroll.status |= SBS_DISABLED_LTUP;
else
pWin->hscroll.status &= ~SBS_DISABLED_LTUP;
if (pWin->hscroll.curPos + pWin->hscroll.pageStep - 1
>= pWin->hscroll.maxPos)
pWin->hscroll.status |= SBS_DISABLED_BTDN;
else
pWin->hscroll.status &= ~SBS_DISABLED_BTDN;
break;
}
case HT_SB_UPSPACE:
case HT_SB_DOWNSPACE:
case HT_VSCROLL: {
if (pWin->vscroll.curPos == pWin->vscroll.minPos)
pWin->vscroll.status |= SBS_DISABLED_LTUP;
else
pWin->vscroll.status &= ~SBS_DISABLED_LTUP;
if (pWin->vscroll.curPos + pWin->vscroll.pageStep - 1
>= pWin->vscroll.maxPos)
pWin->vscroll.status |= SBS_DISABLED_BTDN;
else
pWin->vscroll.status &= ~SBS_DISABLED_BTDN;
break;
}
default:
release_effective_dc (pWin, hdc);
return FALSE;
}
if (!pWin->pMainWin->secondaryDC) {
ShrinkScrollbarClipRect((HWND)pWin, hdc, info, downCode);
}
info->we_rdr->draw_scrollbar ((HWND)pWin, hdc, downCode);
if (pWin->pMainWin->secondaryDC) {
draw_secondary_nc_area (pWin, info->we_rdr, hdc, downCode);
}
if (fGetDC)
release_effective_dc (pWin, hdc);
pWin->hscroll.status &= ~_status;
pWin->vscroll.status &= ~_status;
return TRUE;
}
#ifdef _MGHAVE_MENU
int MenuBarHitTest (HWND hwnd, int x, int y);
static void wndTrackMenuBarOnMouseMove(PMAINWIN pWin, int message,
int location, int x, int y)
{
/** do nothing in LFRDR */
return;
}
#endif
static int set_hilite_sbpos (int location)
{
switch (location) {
case HT_SB_UPARROW:
case HT_SB_DOWNARROW:
case HT_SB_LEFTARROW:
case HT_SB_RIGHTARROW:
case HT_SB_HTHUMB:
case HT_SB_VTHUMB:
return location;
default:
return HT_SB_UNKNOWN;
}
}
#define CALC_THUMB_HPOS(newBarStart, rcBar, scroll) \
((rcBar.right - rcBar.left - scroll.barLen) > 0 ? ((newBarStart) * (scroll.maxPos - scroll.minPos - scroll.pageStep + 1) \
/ (rcBar.right - rcBar.left - scroll.barLen) + scroll.minPos) : 0)
static int wndHandleHScrollBar (PMAINWIN pWin,
int message, int location, int x, int y)
{
static int downPos = HT_SB_UNKNOWN;
static int movePos = HT_SB_UNKNOWN;
static int hilitePos = HT_SB_UNKNOWN;
static int sbCode = 0;
static int oldBarStart;
static int oldThumbPos;
static int oldx;
int newBarStart;
int newThumbPos = 0;
RECT rcBar;
if (!((location & HT_SB_MASK) == HT_SB_MASK && location < HT_SB_VMASK)
&& downPos == HT_SB_UNKNOWN && hilitePos == HT_SB_UNKNOWN)
return 0;
if (pWin->hscroll.status & SBS_HIDE ||
pWin->hscroll.status & SBS_DISABLED)
return -1;
wndGetHScrollBarRect (pWin, &rcBar);
rcBar.left += GetWindowElementAttr ((HWND)pWin, WE_METRICS_SCROLLBAR);
rcBar.right -= GetWindowElementAttr ((HWND)pWin, WE_METRICS_SCROLLBAR);
switch (message) {
case MSG_NCLBUTTONDOWN:
oldBarStart = pWin->hscroll.barStart;
oldThumbPos = pWin->hscroll.curPos;
oldx = x;
downPos = location;
movePos = location;
hilitePos = HT_SB_UNKNOWN;
wndDrawNCButton (pWin, location, LFRDR_BTN_STATUS_PRESSED);
if (location == HT_SB_LEFTARROW) {
if (pWin->hscroll.curPos == pWin->hscroll.minPos)
break;
sbCode = SB_LINELEFT;
}
else if (location == HT_SB_RIGHTARROW) {
if (pWin->hscroll.curPos + pWin->hscroll.pageStep
>= pWin->hscroll.maxPos)
break;
sbCode = SB_LINERIGHT;
}
else if (location == HT_SB_LEFTSPACE) {
if (pWin->hscroll.curPos == pWin->hscroll.minPos)
break;
sbCode = SB_PAGELEFT;
}
else if (location == HT_SB_RIGHTSPACE) {
if (pWin->hscroll.curPos == pWin->hscroll.maxPos)
break;
sbCode = SB_PAGERIGHT;
}
else if (location == HT_SB_HTHUMB) {
sbCode = SB_THUMBTRACK;
break;
}
if (location != HT_SB_UNKNOWN) {
SendNotifyMessage ((HWND)pWin, MSG_HSCROLL, sbCode, x);
SetAutoRepeatMessage ((HWND)pWin, MSG_HSCROLL, sbCode, x);
}
break;
case MSG_NCLBUTTONUP:
if (sbCode == SB_THUMBTRACK
&& downPos == HT_SB_HTHUMB) {
newBarStart = oldBarStart + x - oldx;
if (RECTW(rcBar) != 0)
newThumbPos = CALC_THUMB_HPOS(newBarStart, rcBar, pWin->hscroll);
pWin->hscroll.status &= ~SBS_PRESSED_LTUP;
pWin->hscroll.status &= ~SBS_PRESSED_BTDN;
if (newThumbPos < pWin->hscroll.minPos)
newThumbPos = pWin->hscroll.minPos;
if (newThumbPos > pWin->hscroll.maxPos)
newThumbPos = pWin->hscroll.maxPos;
if (newBarStart != oldBarStart)
SendNotifyMessage ((HWND)pWin,
MSG_HSCROLL, SB_THUMBPOSITION, newThumbPos);
//wndDrawNCButton (pWin, downPos, LFRDR_BTN_STATUS_NORMAL);
wndDrawNCButton (pWin, HT_HSCROLL, 0);
downPos = HT_SB_UNKNOWN;
movePos = HT_SB_UNKNOWN;
hilitePos = HT_SB_UNKNOWN;
return -1;
}
if (downPos != HT_SB_UNKNOWN) {
//wndDrawNCButton (pWin, downPos, LFRDR_BTN_STATUS_NORMAL);
wndDrawNCButton (pWin, HT_HSCROLL, 0);
SendNotifyMessage ((HWND)pWin, MSG_HSCROLL, SB_ENDSCROLL, 0);
/* cancel repeat message */
SetAutoRepeatMessage (0, 0, 0, 0);
}
downPos = HT_SB_UNKNOWN;
movePos = HT_SB_UNKNOWN;
hilitePos = HT_SB_UNKNOWN;
return 0;
case MSG_NCMOUSEMOVE:
if (sbCode == SB_THUMBTRACK
&& downPos == HT_SB_HTHUMB) {
newBarStart = oldBarStart + x - oldx;
if (RECTW(rcBar) != 0)
newThumbPos = CALC_THUMB_HPOS(newBarStart, rcBar, pWin->hscroll);
if (newThumbPos < pWin->hscroll.minPos)
newThumbPos = pWin->hscroll.minPos;
if (newThumbPos > pWin->hscroll.maxPos)
newThumbPos = pWin->hscroll.maxPos;
if (newThumbPos != oldThumbPos) {
if (pWin->hscroll.pageStep < pWin->hscroll.maxPos
- pWin->hscroll.minPos + 1)
{
SendNotifyMessage ((HWND)pWin,
MSG_HSCROLL, SB_THUMBTRACK, newThumbPos);
oldThumbPos = newThumbPos;
}
}
}
if (downPos != HT_SB_UNKNOWN) {
if (movePos == downPos && location != downPos)
wndDrawNCButton (pWin, downPos, LFRDR_BTN_STATUS_NORMAL);
else if (movePos != downPos && location == downPos)
wndDrawNCButton (pWin, downPos, LFRDR_BTN_STATUS_PRESSED);
movePos = location;
}
else {
PostMessage((HWND)pWin, MSG_NCSETCURSOR, location, MAKELONG (x, y));
if (hilitePos != location) {
if (hilitePos != HT_SB_UNKNOWN)
wndDrawNCButton (pWin, hilitePos, LFRDR_BTN_STATUS_NORMAL);
if (location != HT_SB_UNKNOWN
&& ((location & HT_SB_MASK) == HT_SB_MASK && location < HT_SB_VMASK))
wndDrawNCButton (pWin, location, LFRDR_BTN_STATUS_HILITE);
}
if ((location & HT_SB_MASK) == HT_SB_MASK && location < HT_SB_VMASK)
hilitePos = set_hilite_sbpos (location);
else
hilitePos = HT_SB_UNKNOWN;
}
return 0;
}
return 1;
}
#define CALC_THUMB_VPOS(newBarStart, rcBar, scroll) \
((rcBar.bottom - rcBar.top - scroll.barLen) > 0 ? ((newBarStart) * (scroll.maxPos - scroll.minPos - scroll.pageStep + 1) \
/ (rcBar.bottom - rcBar.top - scroll.barLen) + scroll.minPos) : 0)
static int wndHandleVScrollBar (PMAINWIN pWin,
int message, int location, int x, int y)
{
static int downPos = HT_SB_UNKNOWN;
static int movePos = HT_SB_UNKNOWN;
static int hilitePos = HT_SB_UNKNOWN;
static int sbCode = 0;
static int oldBarStart;
static int oldThumbPos;
static int oldy;
int newBarStart;
int newThumbPos = 0;
RECT rcBar;
if ((location & HT_SB_VMASK) != HT_SB_VMASK
&& downPos == HT_SB_UNKNOWN
&& hilitePos == HT_SB_UNKNOWN)
return 0;
if (pWin->vscroll.status & SBS_HIDE ||
pWin->vscroll.status & SBS_DISABLED)
return -1;
wndGetVScrollBarRect (pWin, &rcBar);
rcBar.top += GetWindowElementAttr ((HWND)pWin, WE_METRICS_SCROLLBAR);
rcBar.bottom -= GetWindowElementAttr ((HWND)pWin, WE_METRICS_SCROLLBAR);
switch (message) {
case MSG_NCLBUTTONDOWN:
oldBarStart = pWin->vscroll.barStart;
oldThumbPos = pWin->vscroll.curPos;
oldy = y;
downPos = location;
movePos = location;
hilitePos = HT_SB_UNKNOWN;
wndDrawNCButton (pWin, location, LFRDR_BTN_STATUS_PRESSED);
if (location == HT_SB_UPARROW) {
if (pWin->vscroll.curPos == pWin->vscroll.minPos)
break;
sbCode = SB_LINEUP;
}
else if (location == HT_SB_DOWNARROW) {
if (pWin->vscroll.curPos + pWin->vscroll.pageStep - 1
>= pWin->vscroll.maxPos)
break;
sbCode = SB_LINEDOWN;
}
else if (location == HT_SB_UPSPACE) {
if (pWin->vscroll.curPos == pWin->vscroll.minPos)
break;
sbCode = SB_PAGEUP;
}
else if (location == HT_SB_DOWNSPACE) {
if (pWin->vscroll.curPos >= pWin->vscroll.maxPos)
break;
sbCode = SB_PAGEDOWN;
}
else if (location == HT_SB_VTHUMB) {
sbCode = SB_THUMBTRACK;
break;
}
if (location != HT_SB_UNKNOWN) {
SendNotifyMessage ((HWND)pWin, MSG_VSCROLL, sbCode, y);
SetAutoRepeatMessage ((HWND)pWin, MSG_VSCROLL, sbCode, y);
}
break;
case MSG_NCLBUTTONUP:
if (sbCode == SB_THUMBTRACK
&& downPos == HT_SB_VTHUMB) {
newBarStart = oldBarStart + y - oldy;
if (RECTH(rcBar) != 0)
newThumbPos = CALC_THUMB_VPOS(newBarStart, rcBar, pWin->vscroll);
pWin->vscroll.status &= ~SBS_PRESSED_LTUP;
pWin->vscroll.status &= ~SBS_PRESSED_BTDN;
if (newThumbPos < pWin->vscroll.minPos)
newThumbPos = pWin->vscroll.minPos;
if (newThumbPos > pWin->vscroll.maxPos)
newThumbPos = pWin->vscroll.maxPos;
if (newBarStart != oldBarStart) {
SendNotifyMessage ((HWND)pWin,
MSG_VSCROLL, SB_THUMBPOSITION, newThumbPos);
}
// wndDrawNCButton (pWin, downPos, LFRDR_BTN_STATUS_NORMAL);
wndDrawNCButton (pWin, HT_VSCROLL, 0);
downPos = HT_SB_UNKNOWN;
movePos = HT_SB_UNKNOWN;
hilitePos = HT_SB_UNKNOWN;
return -1;
}
if (downPos != HT_SB_UNKNOWN) {
//wndDrawNCButton (pWin, downPos, LFRDR_BTN_STATUS_NORMAL);
wndDrawNCButton (pWin, HT_VSCROLL, 0);
SendNotifyMessage ((HWND)pWin, MSG_VSCROLL, SB_ENDSCROLL, 0);
/* cancel repeat message */
SetAutoRepeatMessage (0, 0, 0, 0);
}
downPos = HT_SB_UNKNOWN;
movePos = HT_SB_UNKNOWN;
hilitePos = HT_SB_UNKNOWN;
return -1;
case MSG_NCMOUSEMOVE:
if (sbCode == SB_THUMBTRACK
&& downPos == HT_SB_VTHUMB) {
newBarStart = oldBarStart + y - oldy;
if (RECTH(rcBar) != 0)
newThumbPos = CALC_THUMB_VPOS(newBarStart, rcBar, pWin->vscroll);
if (newThumbPos < pWin->vscroll.minPos)
newThumbPos = pWin->vscroll.minPos;
if (newThumbPos > (1 + pWin->vscroll.maxPos - pWin->vscroll.pageStep))
newThumbPos = pWin->vscroll.maxPos - pWin->vscroll.pageStep + 1;
if (newThumbPos != oldThumbPos) {
if (pWin->vscroll.pageStep < pWin->vscroll.maxPos
- pWin->vscroll.minPos + 1)
{
SendNotifyMessage ((HWND)pWin,
MSG_VSCROLL, SB_THUMBTRACK, newThumbPos);
oldThumbPos = newThumbPos;
}
}
}
if (downPos != HT_SB_UNKNOWN) {
if (movePos == downPos && location != downPos)
wndDrawNCButton (pWin, downPos, LFRDR_BTN_STATUS_NORMAL);
else if (movePos != downPos && location == downPos)
wndDrawNCButton (pWin, downPos, LFRDR_BTN_STATUS_PRESSED);
movePos = location;
}
else {
PostMessage((HWND)pWin, MSG_NCSETCURSOR, location, MAKELONG (x, y));
if (hilitePos != location) {
if (hilitePos != HT_SB_UNKNOWN)
wndDrawNCButton (pWin, hilitePos, LFRDR_BTN_STATUS_NORMAL);
if ((location != HT_SB_UNKNOWN)
&& ((location & HT_SB_VMASK) == HT_SB_VMASK))
wndDrawNCButton (pWin, location, LFRDR_BTN_STATUS_HILITE);
}
if ((location & HT_SB_VMASK) == HT_SB_VMASK)
hilitePos = set_hilite_sbpos (location);
else
hilitePos = HT_SB_UNKNOWN;
}
break;
}
return 1;
}
static void wndHandleCustomHotspot (PMAINWIN pWin,
int message, int location, int x, int y)
{
const WINDOW_ELEMENT_RENDERER *rdr;
static int downPos = HT_UNKNOWN;
static int movePos = HT_UNKNOWN;
static int hilitePos = HT_UNKNOWN;
RECT rc;
HDC hdc;
rdr = GetWindowInfo ((HWND)pWin)->we_rdr;
if (rdr->calc_we_area ((HWND)pWin, location, &rc))
return;
switch (message) {
case MSG_NCLBUTTONDOWN:
downPos = location;
movePos = location;
hilitePos = HT_UNKNOWN;
hdc = get_effective_dc (pWin, FALSE);
if (rdr->draw_custom_hotspot)
rdr->draw_custom_hotspot ((HWND)pWin, hdc, location,
LFRDR_BTN_STATUS_PRESSED);
if (pWin->pMainWin->secondaryDC) {
draw_secondary_nc_area (pWin, rdr, hdc, location);
}
release_effective_dc (pWin, hdc);
if (rdr->on_click_hotspot)
rdr->on_click_hotspot ((HWND)pWin, location);
break;
case MSG_NCLBUTTONUP:
hdc = get_effective_dc (pWin, FALSE);
if (rdr->draw_custom_hotspot && (downPos != HT_UNKNOWN)) {
rdr->draw_custom_hotspot ((HWND)pWin, hdc, location,
LFRDR_BTN_STATUS_NORMAL);
}
if (pWin->pMainWin->secondaryDC) {
draw_secondary_nc_area (pWin, rdr, hdc, location);
}
release_effective_dc (pWin, hdc);
downPos = HT_UNKNOWN;
movePos = HT_UNKNOWN;
hilitePos = HT_UNKNOWN;
break;
case MSG_NCMOUSEMOVE:
hdc = get_effective_dc (pWin, FALSE);
if (downPos != HT_UNKNOWN) {
if (rdr->draw_custom_hotspot) {
if (movePos == downPos && location != downPos)
rdr->draw_custom_hotspot ((HWND)pWin, hdc, location,
LFRDR_BTN_STATUS_NORMAL);
else if (movePos != downPos && location == downPos)
rdr->draw_custom_hotspot ((HWND)pWin, hdc, location,
LFRDR_BTN_STATUS_PRESSED);
}
movePos = location;
}
else {
PostMessage((HWND)pWin,
MSG_NCSETCURSOR, location, MAKELONG (x, y));
if (rdr->draw_custom_hotspot && (hilitePos != location)) {
if (hilitePos != HT_UNKNOWN)
rdr->draw_custom_hotspot ((HWND)pWin, hdc, location,
LFRDR_BTN_STATUS_NORMAL);
if (location != HT_UNKNOWN)
rdr->draw_custom_hotspot ((HWND)pWin, hdc, location,
LFRDR_BTN_STATUS_HILITE);
}
hilitePos = location;
}
if (pWin->pMainWin->secondaryDC) {
draw_secondary_nc_area (pWin, rdr, hdc, location);
}
release_effective_dc (pWin, hdc);
break;
}
}
/* this function is CONTROL safe. */
static LRESULT DefaultNCMouseMsgHandler(PMAINWIN pWin, UINT message,
int location, int x, int y)
{
static int downCode = HT_UNKNOWN;
static int moveCode = HT_UNKNOWN;
static int hiliteCode = HT_UNKNOWN;
#ifdef _MGHAVE_MENU
int barItem;
#endif
/*for user hittest process*/
if (location & HT_USER_MASK) {
wndHandleCustomHotspot (pWin, message, location, x, y);
return 0;
}
#ifdef _MGHAVE_MENU
if (pWin->WinType == TYPE_MAINWIN && message == MSG_NCMOUSEMOVE)
wndTrackMenuBarOnMouseMove (pWin, message, location, x, y);
#endif
/*process scrollbar*/
if (pWin->dwStyle & WS_HSCROLL) {
switch (wndHandleHScrollBar (pWin, message, location, x, y)) {
case 1:
return 0;
case -1:
downCode = HT_UNKNOWN;
moveCode = HT_UNKNOWN;
return 0;
/* hscroll do not response this message.*/
case 0:
break;
}
}
if (pWin->dwStyle & WS_VSCROLL) {
switch (wndHandleVScrollBar (pWin, message, location, x, y)) {
case 1:
return 0;
case -1:
downCode = HT_UNKNOWN;
moveCode = HT_UNKNOWN;
return 0;
}
}
switch (message) {
case MSG_NCLBUTTONDOWN:
#ifdef _MGHAVE_MENU
if (location == HT_MENUBAR) {
barItem = MenuBarHitTest ((HWND)pWin, x, y);
if (barItem >= 0)
TrackMenuBar ((HWND)pWin, barItem);
return 0;
}
else
#endif
if (location & HT_DRAGGABLE &&
!(pWin->dwExStyle & WS_EX_NOTDRAGGABLE)) {
DRAGINFO drag_info;
drag_info.location = location;
drag_info.init_x = x;
drag_info.init_y = y;
SendMessage (HWND_DESKTOP, MSG_STARTDRAGWIN,
(WPARAM)pWin, (LPARAM)&drag_info);
}
else {
downCode = location;
moveCode = location;
hiliteCode = HT_UNKNOWN;
wndDrawNCButton (pWin, downCode, LFRDR_BTN_STATUS_PRESSED);
}
break;
case MSG_NCMOUSEMOVE:
if (pWin->hOldUnderPointer && location == HT_OUT) {
PostMessage (pWin->hOldUnderPointer,
MSG_MOUSEMOVEIN, FALSE, 0);
PostMessage (pWin->hOldUnderPointer,
MSG_NCMOUSEMOVE, HT_OUT, MAKELONG (x, y));
pWin->hOldUnderPointer = 0;
}
if (downCode != HT_UNKNOWN) {
if (moveCode == downCode && location != downCode) {
wndDrawNCButton (pWin, downCode, LFRDR_BTN_STATUS_NORMAL);
moveCode = location;
}
else if (moveCode != downCode && location == downCode) {
wndDrawNCButton (pWin, downCode, LFRDR_BTN_STATUS_PRESSED);
moveCode = location;
}
}
else {
/*only move process*/
if (hiliteCode != location) {
if (hiliteCode != HT_SB_UNKNOWN)
wndDrawNCButton (pWin, hiliteCode, LFRDR_BTN_STATUS_NORMAL);
wndDrawNCButton (pWin, location, LFRDR_BTN_STATUS_HILITE);
}
hiliteCode = location;
}
if (location != HT_CLIENT && downCode == HT_UNKNOWN) {
PostMessage((HWND)pWin, MSG_NCSETCURSOR,
location, MAKELONG (x, y));
}
break;
case MSG_NCLBUTTONUP:
if (downCode & HT_DRAGGABLE && !(pWin->dwExStyle & WS_EX_NOTDRAGGABLE)) {
SendMessage (HWND_DESKTOP, MSG_CANCELDRAGWIN, (WPARAM)pWin, 0L);
}
else if (location == downCode) {
wndDrawNCButton (pWin, downCode, LFRDR_BTN_STATUS_HILITE);
switch (location) {
case HT_CLOSEBUTTON:
SendNotifyMessage ((HWND)pWin, MSG_CLOSE, 0, 0);
break;
case HT_MAXBUTTON:
SendNotifyMessage ((HWND)pWin, MSG_MAXIMIZE, 0, 0);
break;
case HT_MINBUTTON:
SendNotifyMessage ((HWND)pWin, MSG_MINIMIZE, 0, 0);
break;
#ifdef _MGHAVE_MENU
case HT_ICON:
if (pWin->hSysMenu)
TrackPopupMenu (pWin->hSysMenu,
TPM_SYSCMD, x, y, (HWND)pWin);
break;
#endif
case HT_CAPTION:
break;
}
}
downCode = HT_UNKNOWN;
moveCode = HT_UNKNOWN;
hiliteCode = HT_UNKNOWN;
break;
#ifdef _MGHAVE_MENU
case MSG_NCRBUTTONUP:
if (location == HT_CAPTION && pWin->hSysMenu)
TrackPopupMenu (pWin->hSysMenu, TPM_SYSCMD, x, y, (HWND)pWin);
break;
#endif
case MSG_NCLBUTTONDBLCLK:
if (location == HT_ICON)
SendNotifyMessage ((HWND)pWin, MSG_CLOSE, 0, 0);
/* else if (location == HT_CAPTION) */
/* SendNotifyMessage ((HWND)pWin, MSG_MAXIMIZE, 0, 0); */
break;
/* case MSG_NCRBUTTONDOWN: */
/* case MSG_NCRBUTTONDBLCLK: */
/* break; */
}
return 0;
}
static LRESULT DefaultKeyMsgHandler (PMAINWIN pWin, UINT message,
WPARAM wParam, LPARAM lParam)
{
/*
** NOTE:
** Currently only handle one message.
** Should handle fowllowing messages:
**
** MSG_KEYDOWN,
** MSG_KEYUP,
** MSG_CHAR,
** MSG_SYSKEYDOWN,
** MSG_SYSCHAR.
*/
if (message == MSG_KEYDOWN
|| message == MSG_KEYUP
|| message == MSG_KEYLONGPRESS
|| message == MSG_KEYALWAYSPRESS
|| message == MSG_CHAR) {
if (pWin->hActiveChild
&& !(pWin->dwStyle & WS_DISABLED)) {
/* DK[07/05/10]Fix Bug4798, Check the control if has WS_DISABLED property. */
PCONTROL pChild = (PCONTROL) pWin->hActiveChild;
if (!(pChild->dwStyle & WS_DISABLED))
SendMessage (pWin->hActiveChild, message, wParam, lParam);
}
}
#ifdef _MGHAVE_MENU
else if (message == MSG_SYSKEYUP) {
if (pWin->WinType == TYPE_MAINWIN
&& !(pWin->dwStyle & WS_DISABLED))
TrackMenuBar ((HWND)pWin, 0);
}
#endif
return 0;
}
static LRESULT DefaultCreateMsgHandler(PMAINWIN pWin, UINT message,
WPARAM wParam, LPARAM lParam)
{
/*
** NOTE:
** Currently does nothing.
** Should handle fowllowing messages:
**
** MSG_NCCREATE,
** MSG_CREATE,
** MSG_INITPANES,
** MSG_DESTROYPANES,
** MSG_DESTROY,
** MSG_NCDESTROY.
*/
return 0;
}
static void RecalcScrollInfo (PMAINWIN pWin, BOOL bIsHBar)
{
PLFSCROLLBARINFO pSBar;
const WINDOWINFO *info = GetWindowInfo ((HWND)pWin);
if (bIsHBar)
pSBar = &pWin->hscroll;
else
pSBar = &pWin->vscroll;
if (pSBar->minPos == pSBar->maxPos) {
ShowScrollBar((HWND)pWin, bIsHBar, FALSE);
return;
}
info->we_rdr->calc_thumb_area ((HWND)pWin, !bIsHBar, pSBar);
}
/* This function is CONTROL safe. */
static void
OnChangeSize (PMAINWIN pWin, PRECT pDestRect, PRECT pResultRect)
{
RECT cli_rc;
const WINDOWINFO *info = GetWindowInfo ((HWND)pWin);
int w, h;
if (pDestRect) {
int minWidth = 0, minHeight = 0;
memcpy(&pWin->left, pDestRect, sizeof(RECT));
minWidth =
info->we_rdr->calc_we_metrics ((HWND)pWin, NULL,
LFRDR_METRICS_MINWIN_WIDTH);
minHeight =
info->we_rdr->calc_we_metrics ((HWND)pWin, NULL,
LFRDR_METRICS_MINWIN_HEIGHT);
if ((minHeight > (pWin->bottom - pWin->top))
&& (pWin->bottom != pWin->top))
pWin->bottom = pWin->top + minHeight;
if ((pWin->right < (pWin->left + minWidth))
&& (pWin->right != pWin->left))
pWin->right = pWin->left + minWidth;
if (pResultRect)
memcpy (pResultRect, &pWin->left, sizeof(RECT));
}
memcpy (&pWin->cl, &pWin->left, sizeof(RECT));
info->we_rdr->calc_we_area ((HWND)pWin, HT_CLIENT, &cli_rc);
pWin->cl += cli_rc.left;
pWin->ct += cli_rc.top;
if ((w = RECTW(cli_rc)) > 0)
pWin->cr = pWin->cl + w;
else
pWin->cr = pWin->cl;
if ((h = RECTH(cli_rc)) > 0)
pWin->cb = pWin->ct + h;
else
pWin->cb = pWin->ct;
if (pWin->dwStyle & WS_HSCROLL && !(pWin->hscroll.status & SBS_HIDE)) {
RecalcScrollInfo (pWin, TRUE);
}
if (pWin->dwStyle & WS_VSCROLL && !(pWin->vscroll.status & SBS_HIDE)) {
RecalcScrollInfo (pWin, FALSE);
}
}
static void OnQueryNCRect(PMAINWIN pWin, PRECT pRC)
{
memcpy(pRC, &pWin->left, sizeof(RECT));
}
static void OnQueryClientArea(PMAINWIN pWin, PRECT pRC)
{
memcpy(pRC, &pWin->cl, sizeof(RECT));
}
static void
calc_metrics_cli2win (const WINDOW_ELEMENT_RENDERER *rdr,
int dwStyle, int win_type, int* width, int* height,
BOOL hasMenu)
{
int iBorder = 0;
LFRDR_WINSTYLEINFO info;
if (!width && !height)
return;
info.dwStyle = dwStyle;
info.winType = win_type;
if (dwStyle & WS_BORDER || dwStyle & WS_THINFRAME
|| dwStyle & WS_THICKFRAME) {
iBorder =
rdr->calc_we_metrics (HWND_NULL, &info, LFRDR_METRICS_BORDER);
}
if (width)
{
*width += iBorder <<1;
if (dwStyle & WS_VSCROLL) {
*width +=
rdr->calc_we_metrics (HWND_NULL, &info, LFRDR_METRICS_VSCROLL_W);
}
}
if (height)
{
*height += iBorder <<1;
if (dwStyle & WS_CAPTION) {
*height +=
rdr->calc_we_metrics (HWND_NULL, &info, LFRDR_METRICS_CAPTION_H);
}
if (dwStyle & WS_HSCROLL) {
*height +=
rdr->calc_we_metrics (HWND_NULL, &info, LFRDR_METRICS_VSCROLL_W);
}
if (hasMenu)
*height +=
rdr->calc_we_metrics (HWND_NULL, &info, LFRDR_METRICS_MENU_H);
}
}
int GUIAPI ClientWidthToWindowWidthEx (DWORD dwStyle, int win_type, int cw)
{
int width = cw;
const WINDOW_ELEMENT_RENDERER* rdr =
GetDefaultWindowElementRenderer ();
calc_metrics_cli2win (rdr, dwStyle, win_type, &width,
NULL, FALSE);
return width;
}
int GUIAPI ClientHeightToWindowHeightEx (DWORD dwStyle, int win_type,
int ch, BOOL hasMenu)
{
int height = ch;
const WINDOW_ELEMENT_RENDERER* rdr =
GetDefaultWindowElementRenderer ();
calc_metrics_cli2win (rdr, dwStyle, win_type, NULL,
&height, hasMenu);
return height;
}
BOOL GUIAPI AdjustWindowRectEx (RECT* pRect, DWORD dwStyle,
BOOL bMenu, DWORD dwExStyle)
{
int cw, ch;
int ww, wh;
int off_x, off_y;
int minw, minh;
//for minimum window
LFRDR_WINSTYLEINFO style_info;
WINDOW_ELEMENT_RENDERER* rdr;
if (pRect == NULL)
return FALSE;
cw = RECTWP (pRect);
ch = RECTHP (pRect);
ww = ClientWidthToWindowWidthEx (dwStyle, LFRDR_WINTYPE_MAINWIN, cw);
wh = ClientHeightToWindowHeightEx (dwStyle, LFRDR_WINTYPE_MAINWIN, ch, bMenu);
off_x = (ww - cw) >> 1;
off_y = (wh - ch) >> 1;
pRect->left -= off_x;
pRect->right += off_x + ((ww - cw) % 2);
pRect->top -= off_y;
pRect->bottom += off_y + ((wh - ch) % 2);
//limit the minimum window size
rdr = (WINDOW_ELEMENT_RENDERER*)GetDefaultWindowElementRenderer ();
if (rdr) {
style_info.dwStyle = dwStyle;
style_info.winType = LFRDR_WINTYPE_MAINWIN;
minw = rdr->calc_we_metrics(0, &style_info, LFRDR_METRICS_MINWIN_WIDTH);
minh = rdr->calc_we_metrics(0, &style_info, LFRDR_METRICS_MINWIN_HEIGHT);
if (ww < minw) {
pRect->right += minw - ww;
}
if (wh < minh) {
pRect->bottom += minh - wh;
}
}
return TRUE;
}
/* this function is CONTROL safe. */
static inline int HittestOnNClient (PMAINWIN pWin, int x, int y)
{
return pWin->we_rdr->hit_test ((HWND)pWin, x, y);
}
/************************** internal functions *********************************/
void gui_WndRect(HWND hWnd, PRECT prc)
{
PCONTROL pParent;
PCONTROL pCtrl;
pParent = pCtrl = (PCONTROL) hWnd;
if (hWnd == HWND_DESKTOP) {
*prc = g_rcScr;
return;
}
prc->left = pCtrl->left;
prc->top = pCtrl->top;
prc->right = pCtrl->right;
prc->bottom = pCtrl->bottom;
/* dongjunjie 2009/7/9 main window and control as main window
* don't need offset
* */
if (pCtrl->WinType == TYPE_MAINWIN)
return ;
while ((pParent = pParent->pParent)) {
prc->left += pParent->cl;
prc->top += pParent->ct;
prc->right += pParent->cl;
prc->bottom += pParent->ct;
}
}
void gui_WndClientRect(HWND hWnd, PRECT prc)
{
PCONTROL pCtrl;
PCONTROL pParent;
pParent = pCtrl = (PCONTROL) hWnd;
if (hWnd == HWND_DESKTOP) {
*prc = g_rcScr;
return;
}
prc->left = pCtrl->cl;
prc->top = pCtrl->ct;
prc->right = pCtrl->cr;
prc->bottom = pCtrl->cb;
while ((pParent = pParent->pParent)) {
prc->left += pParent->cl;
prc->top += pParent->ct;
prc->right += pParent->cl;
prc->bottom += pParent->ct;
}
}
extern HWND __mg_ime_wnd;
void __gui_open_ime_window (PMAINWIN pWin, BOOL open_close, HWND rev_hwnd)
{
#ifndef _MGRM_PROCESSES
if (__mg_ime_wnd && pWin) {
int edit_status;
if (pWin->pMainWin && ((pWin->pMainWin->dwExStyle & WS_EX_TOOLWINDOW)
|| ((HWND)(pWin->pMainWin) == __mg_ime_wnd)))
return;
edit_status = SendAsyncMessage ((HWND)pWin, MSG_DOESNEEDIME, 0, 0L);
if ((edit_status == IME_WINDOW_TYPE_EDITABLE
|| edit_status == IME_WINDOW_TYPE_PASSWORD)
&& open_close) {
SendNotifyMessage (__mg_ime_wnd, MSG_IME_OPEN, 0, 0);
}
else {
SendNotifyMessage (__mg_ime_wnd, MSG_IME_CLOSE, 0, 0);
}
}
#else
if (!mgIsServer && pWin) {
BOOL edit_status;
REQUEST req;
BOOL open = FALSE;
if (pWin->pMainWin && (pWin->pMainWin->dwExStyle & WS_EX_TOOLWINDOW))
return;
edit_status = SendAsyncMessage ((HWND)pWin, MSG_DOESNEEDIME, 0, 0L);
req.id = REQID_OPENIMEWND;
req.data = &open;
req.len_data = sizeof (BOOL);
if ((edit_status == IME_WINDOW_TYPE_EDITABLE
|| edit_status == IME_WINDOW_TYPE_PASSWORD)
&& open_close) {
open = TRUE;
}
ClientRequest (&req, NULL, 0);
}
#endif
}
static LRESULT DefaultPostMsgHandler(PMAINWIN pWin, UINT message,
WPARAM wParam, LPARAM lParam)
{
switch (message) {
case MSG_SETCURSOR:
/*
** NOTE:
** this message is only implemented for main window.
** for CONTROL, must handle this message and should NOT
** call default window procedure
** when handle MSG_SETCURSOR.
*/
if (wndMouseInWhichControl (pWin, LOSWORD(lParam), HISWORD(lParam),
NULL))
break;
if (pWin->hCursor)
SetCursor(pWin->hCursor);
break;
case MSG_NCSETCURSOR:
/*
** NOTE:
** this message is only implemented for main window.
** for CONTROL, must handle this message and should NOT
** call default window procedure
** when handle MSG_SETCURSOR.
*/
switch (wParam) {
case HT_BORDER_TOP:
case HT_BORDER_BOTTOM:
SetCursor (GetSystemCursor (IDC_SIZENS));
break;
case HT_BORDER_LEFT:
case HT_BORDER_RIGHT:
SetCursor (GetSystemCursor (IDC_SIZEWE));
break;
case HT_CORNER_TL:
case HT_CORNER_BR:
SetCursor (GetSystemCursor (IDC_SIZENWSE));
break;
case HT_CORNER_BL:
case HT_CORNER_TR:
SetCursor (GetSystemCursor (IDC_SIZENESW));
break;
default:
SetCursor (GetSystemCursor (IDC_ARROW));
break;
}
break;
case MSG_HITTEST:
if (PtInRect ((PRECT)(&(pWin->cl)), (int)wParam, (int)lParam))
return HT_CLIENT;
else {
CONTROL * pCtrl;
if (pWin->WinType == TYPE_MAINWIN &&
(pCtrl= (CONTROL*)(pWin->hFirstChildAsMainWin)) != NULL) {
int x = (int)wParam;
int y = (int)lParam;
ScreenToClient ((HWND)pCtrl->pParent,&x,&y);
while (pCtrl) {
if ((pCtrl->dwStyle&WS_VISIBLE) &&
PtInRect((PRECT)&(pCtrl->cl),x, y)) {
return HT_CLIENT;
}
pCtrl = pCtrl->next_ctrl_as_main;
}
}
return HittestOnNClient (pWin, (int)wParam, (int)lParam);
}
break;
case MSG_CHANGESIZE:
OnChangeSize (pWin, (PRECT)wParam, (PRECT)lParam);
RecalcClientArea ((HWND)pWin);
break;
case MSG_SIZECHANGING:
memcpy ((PRECT)lParam, (PRECT)wParam, sizeof (RECT));
break;
case MSG_QUERYNCRECT:
OnQueryNCRect(pWin, (PRECT)lParam);
break;
case MSG_QUERYCLIENTAREA:
OnQueryClientArea(pWin, (PRECT)lParam);
break;
case MSG_SETFOCUS:
case MSG_KILLFOCUS:
if (pWin->hActiveChild && !lParam)
SendNotifyMessage (pWin->hActiveChild, message, 0, lParam);
break;
case MSG_MOUSEACTIVE:
if (pWin->WinType == TYPE_CONTROL
&& !(pWin->dwStyle & WS_DISABLED)) {
if (wParam != HT_OUT) {
PCONTROL pCtrl = (PCONTROL)pWin;
PCONTROL old_active = pCtrl->pParent->active;
if (old_active != (PCONTROL)pWin) {
if (old_active) {
SendNotifyMessage ((HWND)old_active,
MSG_ACTIVE, FALSE, wParam);
SendNotifyMessage ((HWND)old_active,
MSG_KILLFOCUS, (WPARAM)pWin, 0);
}
pCtrl->pParent->active = (PCONTROL)pWin;
SendNotifyMessage ((HWND)pWin, MSG_ACTIVE, TRUE, 0);
SendNotifyMessage ((HWND)pWin,
MSG_SETFOCUS, (WPARAM)old_active, 0);
}
}
}
break;
case MSG_WINDOWDROPPED: {
RECT rc;
rc.left = LOSWORD (wParam);
rc.top = HISWORD (wParam);
rc.right = LOSWORD (lParam);
rc.bottom = HISWORD (lParam);
MoveWindow ((HWND)pWin, rc.left, rc.top,
RECTW(rc), RECTH(rc), FALSE);
break;
}
default:
break;
}
return 0;
}
static void wndEraseBackground(const PMAINWIN pWin,
HDC hdc, const RECT* pClipRect)
{
RECT rcTemp;
BOOL fGetDC = FALSE;
const WINDOW_ELEMENT_RENDERER *rdr =
GetWindowInfo ((HWND)pWin)->we_rdr;
if (hdc == 0) {
hdc = get_effective_dc ((PMAINWIN)pWin, TRUE);
fGetDC = TRUE;
}
if (pClipRect) {
rcTemp = *pClipRect;
#if 0
if (pWin->WinType == TYPE_MAINWIN) {
ScreenToClient ((HWND)pWin, &rcTemp.left, &rcTemp.top);
ScreenToClient ((HWND)pWin, &rcTemp.right, &rcTemp.bottom);
}
#endif
}
else {
rcTemp.left = rcTemp.top = 0;
rcTemp.right = pWin->cr - pWin->cl;
rcTemp.bottom = pWin->cb - pWin->ct;
}
if (rdr->erase_background)
rdr->erase_background ((HWND)pWin, hdc, &rcTemp);
/* do secondaryDC update when EndPaint().*/
#if 0
if (pWin->pMainWin->secondaryDC) {
HDC real_dc = HDC_INVALID;
real_dc = GetClientDC ((HWND)pWin->pMainWin);
__mg_update_secondary_dc ((PMAINWIN)pWin, hdc, real_dc, &rcTemp, HT_CLIENT);
ReleaseDC (real_dc);
}
#endif
if (fGetDC) {
release_effective_dc ((PMAINWIN)pWin, hdc);
}
}
/* this function is CONTROL safe. */
static void wndDrawNCFrame(MAINWIN* pWin, HDC hdc, const RECT* prcInvalid)
{
BOOL fGetDC = FALSE;
const WINDOW_ELEMENT_RENDERER *rdr;
BOOL is_active = TRUE;
/* to avoid some unexpected event... */
if (!MG_IS_NORMAL_WINDOW ((HWND)pWin))
return;
if (hdc == 0) {
hdc = get_effective_dc (pWin, FALSE);
fGetDC = TRUE;
}
if (prcInvalid)
ClipRectIntersect (hdc, prcInvalid);
rdr = GetWindowInfo ((HWND)pWin)->we_rdr;
/*fix bug 3099: GetActiveWindow can not use in control.*/
if (pWin->WinType == TYPE_MAINWIN)
is_active = !(pWin->dwStyle & WS_DISABLED) &&
(GetActiveWindow() == (HWND)pWin);
else {
/*
is_active = !(pWin->dwStyle & WS_DISABLED) &&
(((PCONTROL)pWin)->pParent->active == (PCONTROL)pWin);
*/
}
RecalcScrollInfo (pWin, TRUE);
RecalcScrollInfo (pWin, FALSE);
rdr->draw_caption ((HWND)pWin, hdc, is_active);
if (is_active)
rdr->draw_caption_button ((HWND)pWin, hdc, 0, LFRDR_BTN_STATUS_NORMAL);
else
rdr->draw_caption_button ((HWND)pWin, hdc, 0, LFRDR_BTN_STATUS_INACTIVE);
/*dongjunjie 09/07/09
* If Border is Zero, but MainWindow style have caption
* we should notify the secondaryDC
* */
if (pWin->pMainWin->secondaryDC) {
draw_secondary_nc_area (pWin, rdr, hdc, HT_CAPTION);
}
if (!(pWin->hscroll.status & SBS_HIDE)) {
wndDrawNCButtonEx (pWin, hdc, HT_HSCROLL, 0);
}
if (!(pWin->vscroll.status & SBS_HIDE)) {
wndDrawNCButtonEx (pWin, hdc, HT_VSCROLL, 0);
}
if (rdr->draw_custom_hotspot)
rdr->draw_custom_hotspot ((HWND)pWin, hdc, 0, 0);
rdr->draw_border ((HWND)pWin, hdc, is_active);
if (pWin->pMainWin->secondaryDC) {
draw_secondary_nc_area (pWin, rdr, hdc, HT_BORDER);
}
#ifdef _MGHAVE_MENU
if (pWin->WinType == TYPE_MAINWIN) {
DrawMenuBarHelper (pWin, hdc, prcInvalid);
if (pWin->secondaryDC) {
draw_secondary_nc_area (pWin, rdr, hdc, HT_MENUBAR);
}
}
#endif
if (fGetDC)
release_effective_dc (pWin, hdc);
}
/* this function is CONTROL safe. */
static void wndActiveMainWindow (PMAINWIN pWin, BOOL fActive)
{
HDC hdc;
const WINDOWINFO *wnd_info;
hdc = get_effective_dc (pWin, FALSE);
wnd_info = GetWindowInfo ((HWND)pWin);
wnd_info->we_rdr->draw_caption ((HWND)pWin, hdc, fActive);
if (fActive)
wnd_info->we_rdr->draw_caption_button ((HWND)pWin, hdc, 0, LFRDR_BTN_STATUS_NORMAL);
else
wnd_info->we_rdr->draw_caption_button ((HWND)pWin, hdc, 0, LFRDR_BTN_STATUS_INACTIVE);
if (wnd_info->we_rdr->draw_custom_hotspot)
wnd_info->we_rdr->draw_custom_hotspot ((HWND)pWin, hdc, 0, 0);
wnd_info->we_rdr->draw_border ((HWND)pWin, hdc, fActive);
if (pWin->pMainWin->secondaryDC) {
draw_secondary_nc_area (pWin, wnd_info->we_rdr, hdc, HT_BORDER);
}
release_effective_dc (pWin, hdc);
}
static LRESULT DefaultPaintMsgHandler(PMAINWIN pWin, UINT message,
WPARAM wParam, LPARAM lParam)
{
switch( message ) {
case MSG_NCPAINT: {
wndDrawNCFrame (pWin, (HDC)wParam, (const RECT*)lParam);
break;
}
case MSG_ERASEBKGND:
if (pWin->WinType == TYPE_CONTROL &&
pWin->dwExStyle & WS_EX_TRANSPARENT)
break;
wndEraseBackground (pWin, (HDC)wParam, (const RECT*)lParam);
break;
case MSG_NCACTIVATE:
wndActiveMainWindow (pWin, (BOOL)wParam);
break;
case MSG_SYNCPAINT:
wndActiveMainWindow (pWin, (BOOL)wParam);
UpdateWindow ((HWND)pWin, TRUE);
break;
case MSG_PAINT: {
HDC hdc = BeginPaint ((HWND)pWin);
EndPaint ((HWND)pWin, hdc);
break;
}
default:
break;
}
return 0;
}
static LRESULT DefaultControlMsgHandler(PMAINWIN pWin, UINT message,
WPARAM wParam, LPARAM lParam)
{
HDC hdc;
int len;
switch (message) {
case MSG_ENABLE:
if ( (!(pWin->dwStyle & WS_DISABLED) && !wParam)
|| ((pWin->dwStyle & WS_DISABLED) && wParam) ) {
if (wParam)
pWin->dwStyle &= ~WS_DISABLED;
else
pWin->dwStyle |= WS_DISABLED;
}
break;
case MSG_SYSCOMMAND:
if (wParam == SC_CLOSE)
SendNotifyMessage ((HWND)pWin, MSG_CLOSE, 0, 0);
break;
case MSG_GETTEXTLENGTH:
if (pWin->spCaption)
return strlen (pWin->spCaption);
else
return 0;
case MSG_GETTEXT:
if (pWin->spCaption) {
char* buffer = (char*)lParam;
len = MIN (strlen (pWin->spCaption), wParam);
memcpy (buffer, pWin->spCaption, len);
buffer [len] = '\0';
return len;
}
else
return 0;
break;
case MSG_FONTCHANGED:
UpdateWindow ((HWND)pWin, TRUE);
break;
case MSG_SETTEXT: {
RECT rc;
const WINDOWINFO *info;
/*
** NOTE:
** this message is only implemented for main window.
** for CONTROL, must handle this message and should NOT
** call default window procedure
** when handle MSG_SETTEXT.
*/
if (pWin->WinType != TYPE_MAINWIN)
return -1;
FreeFixStr (pWin->spCaption);
len = strlen ((char*)lParam);
pWin->spCaption = FixStrAlloc (len);
if (len > 0 && pWin->spCaption) /* Since 5.0.0: validate new buffer */
strcpy (pWin->spCaption, (char*)lParam);
else
return -1;
#ifdef _MGRM_PROCESSES
SendMessage (HWND_DESKTOP, MSG_CHANGECAPTION, (WPARAM) pWin, 0L);
#endif
hdc = get_effective_dc (pWin, FALSE);
info = GetWindowInfo ((HWND)pWin);
SetRectEmpty (&rc);
if (pWin->dwStyle & WS_MINIMIZEBOX) {
info->we_rdr->calc_we_area ((HWND)pWin, HT_MINBUTTON, &rc);
--rc.left;
--rc.top;
ExcludeClipRect (hdc, &rc);
}
if (pWin->dwStyle & WS_MAXIMIZEBOX) {
info->we_rdr->calc_we_area ((HWND)pWin, HT_MAXBUTTON, &rc);
--rc.left;
--rc.top;
ExcludeClipRect (hdc, &rc);
}
if (!(pWin->dwExStyle & WS_EX_NOCLOSEBOX)) {
info->we_rdr->calc_we_area ((HWND)pWin, HT_CLOSEBUTTON, &rc);
--rc.left;
--rc.top;
ExcludeClipRect (hdc, &rc);
}
/*Draw caption text information*/
info->we_rdr->draw_caption ((HWND)pWin,
hdc, GetForegroundWindow () == (HWND)pWin);
if (pWin->pMainWin->secondaryDC) {
draw_secondary_nc_area (pWin, info->we_rdr, hdc, HT_CAPTION);
}
/*It maybe need to delete. */
#if 0
if (info->we_rdr->draw_custom_hotspot)
info->we_rdr->draw_custom_hotspot ((HWND)pWin, hdc, 0, 0);
#endif
release_effective_dc (pWin, hdc);
break;
}
default:
break;
}
return 0;
}
static LRESULT DefaultSessionMsgHandler(PMAINWIN pWin, UINT message,
WPARAM wParam, LPARAM lParam)
{
/*
** NOTE:
** Currently does nothing, should handle fowllowing messages:
**
** MSG_QUERYENDSESSION:
** MSG_ENDSESSION:
*/
return 0;
}
static LRESULT DefaultSystemMsgHandler(PMAINWIN pWin, UINT message,
WPARAM wParam, LPARAM lParam)
{
/*
** Should handle following messages:
**
** MSG_IDLE, MSG_CARETBLINK:
*/
if (message == MSG_IDLE) {
if (pWin == checkAndGetMainWindowPtrOfControl (sg_repeat_msg.hwnd)) {
SendNotifyMessage (sg_repeat_msg.hwnd,
sg_repeat_msg.message,
sg_repeat_msg.wParam, sg_repeat_msg.lParam);
}
}
else if (message == MSG_CARETBLINK && pWin->dwStyle & WS_VISIBLE) {
BlinkCaret ((HWND)pWin);
}
/* houhh 20090619. */
#ifdef _MGRM_PROCESSES
else if (message == MSG_UPDATECLIWIN) {
__mg_update_window ((HWND)pWin,
LOSWORD(wParam), HISWORD(wParam),
LOSWORD(lParam), HISWORD(lParam));
}
#endif
return 0;
}
/*
** NOTE:
** This default main window call-back procedure
** also implemented for control.
*/
LRESULT PreDefMainWinProc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
PMAINWIN pWin = (PMAINWIN)hWnd;
if (message > MSG_DT_MOUSEOFF && message <= MSG_DT_RBUTTONDBLCLK)
return DefaultDTMouseMsgHandler(pWin, message,
wParam, LOSWORD (lParam), HISWORD (lParam));
else if (message >= MSG_FIRSTMOUSEMSG && message <= MSG_NCMOUSEOFF)
return DefaultMouseMsgHandler(pWin, message,
wParam, LOSWORD (lParam), HISWORD (lParam));
else if (message > MSG_NCMOUSEOFF && message <= MSG_LASTMOUSEMSG)
return DefaultNCMouseMsgHandler(pWin, message,
(int)wParam, LOSWORD (lParam), HISWORD (lParam));
else if (message >= MSG_FIRSTKEYMSG && message <= MSG_LASTKEYMSG)
return DefaultKeyMsgHandler(pWin, message, wParam, lParam);
else if (message >= MSG_FIRSTPOSTMSG && message <= MSG_LASTPOSTMSG)
return DefaultPostMsgHandler(pWin, message, wParam, lParam);
else if (message >= MSG_FIRSTCREATEMSG && message <= MSG_LASTCREATEMSG)
return DefaultCreateMsgHandler(pWin, message, wParam, lParam);
else if (message >= MSG_FIRSTPAINTMSG && message <= MSG_LASTPAINTMSG)
return DefaultPaintMsgHandler(pWin, message, wParam, lParam);
else if (message >= MSG_FIRSTSESSIONMSG && message <= MSG_LASTSESSIONMSG)
return DefaultSessionMsgHandler(pWin, message, wParam, lParam);
else if (message >= MSG_FIRSTCONTROLMSG && message <= MSG_LASTCONTROLMSG)
return DefaultControlMsgHandler(pWin, message, wParam, lParam);
else if (message >= MSG_FIRSTSYSTEMMSG && message <= MSG_LASTSYSTEMMSG)
return DefaultSystemMsgHandler(pWin, message, wParam, lParam);
#if (defined(_MG_ENABLE_SCREENSAVER) || defined(_MG_ENABLE_WATERMARK)) && defined(_MGRM_THREADS)
else if (message == MSG_CANCELSCREENSAVER) {
__mg_screensaver_hide();
SendNotifyMessage (HWND_DESKTOP, MSG_PAINT, 0, 0);
}
#endif
return 0;
}
LRESULT PreDefControlProc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
if (message == MSG_SETTEXT)
return 0;
else if (message == MSG_SETCURSOR) {
if (GetWindowExStyle (hWnd) & WS_EX_USEPARENTCURSOR)
return 0;
SetCursor (GetWindowCursor (hWnd));
return 0;
}
else if (message == MSG_NCSETCURSOR) {
SetCursor (GetSystemCursor (IDC_ARROW));
return 0;
}
return DefaultMainWinProc (hWnd, message, wParam, lParam);
}
#ifdef _MGHAVE_VIRTUAL_WINDOW
LRESULT PreDefVirtualWinProc (HWND hWnd, UINT message,
WPARAM wParam, LPARAM lParam)
{
VIRTWIN* pWin = (VIRTWIN*)hWnd;
switch (message) {
case MSG_CLOSE:
DestroyVirtualWindow (hWnd);
break;
case MSG_CREATE:
case MSG_DESTROY:
break;
case MSG_GETTEXTLENGTH:
if (pWin->spCaption)
return strlen (pWin->spCaption);
else
return 0;
case MSG_GETTEXT:
if (pWin->spCaption) {
size_t len;
char* buffer = (char*)lParam;
len = MIN (strlen (pWin->spCaption), wParam);
memcpy (buffer, pWin->spCaption, len);
buffer [len] = '\0';
return len;
}
else
return 0;
break;
case MSG_SETTEXT: {
size_t len;
if (pWin->WinType != TYPE_VIRTWIN)
return -1;
FreeFixStr (pWin->spCaption);
len = strlen ((char*)lParam);
pWin->spCaption = FixStrAlloc (len);
if (len > 0 && pWin->spCaption)
strcpy (pWin->spCaption, (char*)lParam);
break;
}
default:
break;
}
/* for any other messages, return 0 by default */
return 0;
}
#endif /* defined _MGHAVE_VIRTUAL_WINDOW */
LRESULT DefaultWindowProc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
PMAINWIN pWin;
/* Since 5.0.0: for error returns -1 */
MG_CHECK_RET (MG_IS_APP_WINDOW(hWnd), -1);
pWin = MG_GET_WINDOW_PTR (hWnd);
switch (pWin->WinType) {
case TYPE_CONTROL:
return DefaultControlProc (hWnd, message, wParam, lParam);
break;
#ifdef _MGHAVE_VIRTUAL_WINDOW
case TYPE_VIRTWIN:
return DefaultVirtualWinProc (hWnd, message, wParam, lParam);
break;
#endif
default:
if (IsDialog (hWnd))
return DefaultDialogProc (hWnd, message, wParam, lParam);
else
return DefaultMainWinProc (hWnd, message, wParam, lParam);
break;
}
/* Since 5.0.0: for error returns -1 */
return -1;
}
/************************* GUI calls support ********************************/
static HWND set_focus_helper (HWND hWnd)
{
PMAINWIN pWin;
PMAINWIN old_active;
if (IsMainWindow (hWnd))
return HWND_INVALID;
pWin = (PMAINWIN) GetParent (hWnd);
old_active = (PMAINWIN)pWin->hActiveChild;
if (old_active != (PMAINWIN)hWnd) {
if (old_active)
SendNotifyMessage ((HWND)old_active, MSG_KILLFOCUS, (WPARAM)hWnd, 1);
pWin->hActiveChild = hWnd;
SendNotifyMessage (hWnd, MSG_SETFOCUS, (WPARAM)old_active, 1);
}
return pWin->hActiveChild;
}
HWND GUIAPI SetFocusChild (HWND hWnd)
{
HWND hOldActive;
MG_CHECK_RET (MG_IS_CONTROL_WINDOW(hWnd), HWND_INVALID);
if ((hOldActive = set_focus_helper (hWnd)) != HWND_INVALID) {
do {
hWnd = GetParent (hWnd);
} while (set_focus_helper (hWnd) != HWND_INVALID);
}
return hOldActive;
}
HWND GUIAPI GetFocusChild (HWND hParent)
{
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hParent), HWND_INVALID);
pWin = MG_GET_WINDOW_PTR (hParent);
return pWin->hActiveChild;
}
HWND GUIAPI SetNullFocus (HWND hParent)
{
PMAINWIN pWin;
HWND hOldActive;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hParent), HWND_INVALID);
pWin = MG_GET_WINDOW_PTR (hParent);
hOldActive = pWin->hActiveChild;
if (hOldActive)
SendNotifyMessage (hOldActive, MSG_KILLFOCUS, 0, 0);
pWin->hActiveChild = 0;
return hOldActive;
}
/* NOTE: this function works ONLY for main window. */
HWND GUIAPI SetActiveWindow (HWND hMainWnd)
{
MG_CHECK_RET (MG_IS_MAIN_WINDOW(hMainWnd), HWND_INVALID);
return (HWND)SendMessage (HWND_DESKTOP,
MSG_SETACTIVEMAIN, (WPARAM)hMainWnd, 0);
}
/* NOTE: this function support ONLY main window. */
HWND GUIAPI GetActiveWindow (void)
{
return (HWND)SendMessage (HWND_DESKTOP, MSG_GETACTIVEMAIN, 0, 0);
}
HWND GUIAPI SetCapture (HWND hWnd)
{
PMAINWIN pWin = (PMAINWIN)hWnd;
if (hWnd == HWND_INVALID || (pWin && pWin->DataType != TYPE_HWND))
return HWND_INVALID;
/* if hWnd is HWND_DESKTOP or zero, release capture */
if (hWnd == HWND_DESKTOP) hWnd = 0;
return (HWND) SendMessage (HWND_DESKTOP, MSG_SETCAPTURE, (WPARAM)hWnd, 0);
}
HWND GUIAPI GetCapture (void)
{
return (HWND)SendMessage (HWND_DESKTOP, MSG_GETCAPTURE, 0, 0);
}
void GUIAPI ReleaseCapture (void)
{
SendMessage (HWND_DESKTOP, MSG_SETCAPTURE, 0, 0);
}
#if 0 /* deprecated code */
/* Since 5.0.0, moved to internals.h as inline functions */
PMAINWIN checkAndGetMainWindowPtrOfMainWin (HWND hWnd)
{
MG_CHECK_RET (MG_IS_NORMAL_MAIN_WINDOW(hWnd), NULL);
return MG_GET_WINDOW_PTR (hWnd);
}
PMAINWIN checkAndGetMainWindowPtrOfControl (HWND hWnd)
{
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), NULL);
pWin = MG_GET_WINDOW_PTR (hWnd);
return pWin->pMainWin;
}
#endif /* deprecated code */
/*************************** Window and thread **************************/
BOOL GUIAPI IsWindow (HWND hWnd)
{
/* XXX: how to check validity of the handle? */
return MG_IS_WINDOW (hWnd);
}
BOOL GUIAPI IsMainWindow (HWND hWnd)
{
return MG_IS_MAIN_WINDOW (hWnd);
}
#ifdef _MGHAVE_VIRTUAL_WINDOW
BOOL GUIAPI IsVirtualWindow (HWND hWnd)
{
return MG_IS_VIRTUAL_WINDOW (hWnd);
}
#endif /* defined _MGHAVE_VIRTUAL_WINDOW */
BOOL GUIAPI IsControl (HWND hWnd)
{
return MG_IS_CONTROL_WINDOW (hWnd);
}
BOOL GUIAPI IsDialog (HWND hWnd)
{
#if 0 /* Since 5.0.0: use the internal extended style WS_EX_DIALOGBOX */
return (BOOL)SendAsyncMessage (hWnd, MSG_ISDIALOG, 0, 0);
#else /* deprecated code */
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_MAIN_WINDOW(hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR(hWnd);
return (pWin->dwExStyle & WS_EX_DIALOGBOX);
#endif /* Since 5.0.0: use the internal extended style WS_EX_DIALOGBOX */
}
HWND GUIAPI GetMainWindowHandle (HWND hWnd)
{
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), HWND_INVALID);
pWin = MG_GET_WINDOW_PTR (hWnd);
return (HWND)pWin->pMainWin;
}
HWND GUIAPI GetParent (HWND hWnd)
{
PCONTROL pChildWin = (PCONTROL)hWnd;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), HWND_INVALID);
return (HWND)pChildWin->pParent;
}
/* Since 5.0.0 */
HWND GUIAPI GetRootWindow (void)
{
MSGQUEUE* pMsgQueue;
if ((pMsgQueue = getMsgQueueForThisThread ()) == NULL) {
return HWND_INVALID;
}
return (HWND)pMsgQueue->pRootMainWin;
}
/* Since 5.0.0, works for virtual window as well */
HWND GUIAPI GetHosting (HWND hWnd)
{
PMAINWIN pMainWin;
if ((pMainWin = getMainWinIfWindowInThisThread (hWnd)) == NULL) {
return HWND_INVALID;
}
return pMainWin->pHosting;
}
/* Since 5.0.0, works for virtual window as well */
HWND GUIAPI GetFirstHosted (HWND hWnd)
{
PMAINWIN pMainWin;
if ((pMainWin = getMainWinIfWindowInThisThread (hWnd)) == NULL) {
return HWND_INVALID;
}
return pMainWin->pFirstHosted;
}
/* Since 5.0.0, works for virtual window as well */
HWND GUIAPI GetNextHosted (HWND hHosting, HWND hHosted)
{
PMAINWIN pHosting;
PMAINWIN pHosted;
if ((pHosting = getMainWinIfWindowInThisThread (hHosting)) == NULL) {
return HWND_INVALID;
}
if (hHosted == HWND_NULL) {
return GetFirstHosted (hHosting);
}
if ((pHosted = getMainWinIfWindowInThisThread (hHosted)) == NULL) {
return HWND_INVALID;
}
if (MG_UNLIKELY (pHosted->pHosting != pHosting)) {
return HWND_INVALID;
}
return (HWND)(pHosted->pNextHosted);
}
struct _search_context {
LINT id;
DWORD flags;
PMAINWIN hosting;
};
static PMAINWIN search_win_tree_dfs (struct _search_context *ctxt)
{
PMAINWIN hosting = ctxt->hosting;
PMAINWIN hosted = GetFirstHosted (hosting);
while (hosted) {
PMAINWIN found;
ctxt->hosting = hosted;
if ((found = search_win_tree_dfs (ctxt))) {
return found;
}
if (hosted->id == ctxt->id &&
(((ctxt->flags & WIN_SEARCH_FILTER_MAIN) &&
hosted->WinType == TYPE_MAINWIN) ||
((ctxt->flags & WIN_SEARCH_FILTER_VIRT) &&
hosted->WinType == TYPE_VIRTWIN))) {
return hosted;
}
hosted = GetNextHosted (hosting, hosted);
}
return NULL;
}
static PMAINWIN search_win_tree_bfs (struct _search_context *ctxt)
{
PMAINWIN hosting = ctxt->hosting;
PMAINWIN hosted = GetFirstHosted (hosting);
while (hosted) {
PMAINWIN found;
if (hosted->id == ctxt->id &&
(((ctxt->flags & WIN_SEARCH_FILTER_MAIN) &&
hosted->WinType == TYPE_MAINWIN) ||
((ctxt->flags & WIN_SEARCH_FILTER_VIRT) &&
hosted->WinType == TYPE_VIRTWIN))) {
return hosted;
}
ctxt->hosting = hosted;
if ((found = search_win_tree_bfs (ctxt))) {
return found;
}
hosted = GetNextHosted (hosting, hosted);
}
return NULL;
}
/* Since 5.0.0, works for virtual window as well */
HWND GUIAPI GetHostedById (HWND hHosting, LINT lId, DWORD dwSearchFlags)
{
MSGQUEUE* pMsgQueue;
PMAINWIN pHosting;
struct _search_context ctxt = { lId, dwSearchFlags };
if (hHosting == HWND_NULL) {
if ((pMsgQueue = getMsgQueueForThisThread ()) == NULL) {
return HWND_INVALID;
}
if ((pHosting = pMsgQueue->pRootMainWin) == NULL) {
return HWND_NULL;
}
}
else {
if ((pMsgQueue = getMsgQueueIfWindowInThisThread (hHosting)) == NULL) {
return HWND_INVALID;
}
pHosting = (PMAINWIN)hHosting;
}
ctxt.hosting = pHosting;
if ((dwSearchFlags & WIN_SEARCH_METHOD_MASK) == WIN_SEARCH_METHOD_DFS) {
// depth first search
return (HWND)search_win_tree_dfs (&ctxt);
}
else {
// breadth first search
return (HWND)search_win_tree_bfs (&ctxt);
}
}
/* Since 5.0.0, works for virtual window as well */
LINT GUIAPI GetWindowId (HWND hWnd)
{
MG_CHECK_RET (MG_IS_APP_WINDOW (hWnd), -1);
return ((PMAINWIN)hWnd)->id;
}
/* Since 5.0.0, works for virtual window as well */
LINT GUIAPI SetWindowId (HWND hWnd, LINT lNewId)
{
LINT lOldId;
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_APP_WINDOW(hWnd), -1);
pWin = (PMAINWIN)hWnd;
lOldId = pWin->id;
pWin->id = lNewId;
return lOldId;
}
HWND GUIAPI GetNextChild (HWND hWnd, HWND hChild)
{
PCONTROL pControl, pChild;
/* Since 5.0.0: not work for virtual window */
MG_CHECK_RET (MG_IS_NORMAL_WINDOW (hWnd), HWND_INVALID);
MG_CHECK_RET (MG_IS_CONTROL_WINDOW (hChild), HWND_INVALID);
pControl = MG_GET_CONTROL_PTR (hWnd);
pChild = (PCONTROL)hChild;
if (pChild == NULL) {
return (HWND)pControl->children;
}
else if (pControl != pChild->pParent) {
return HWND_INVALID;
}
return (HWND)pChild->next;
}
HWND GUIAPI GetNextMainWindow (HWND hMainWnd)
{
MG_CHECK_RET (MG_IS_NORMAL_MAIN_WINDOW (hMainWnd), HWND_INVALID);
return (HWND)SendMessage (HWND_DESKTOP,
MSG_GETNEXTMAINWIN, (WPARAM)hMainWnd, 0L);
}
/*
* TODO: implement ScrollWindowEx completely.
*/
int GUIAPI ScrollWindowEx (HWND hWnd, int dx, int dy,
const RECT *prcScroll, const RECT *prcClip,
PCLIPRGN pRgnUpdate, PRECT prcUpdate, UINT flags)
{
SCROLLWINDOWINFO swi;
RECT rcClient, rcScroll;
BOOL fCaret;
PMAINWIN pWin;
if ((dx == 0 && dy == 0))
return -1;
/* Since 5.0.0: not work for virtual window */
MG_CHECK_RET (MG_IS_NORMAL_WINDOW (hWnd), -1);
pWin = MG_GET_WINDOW_PTR (hWnd);
GetClientRect (hWnd, &rcClient);
if (prcScroll)
IntersectRect (&rcScroll, prcScroll, &rcClient);
else
rcScroll = rcClient;
/*
* BUGFIX: if we scrolled all area, the all area must
* be set as invalidate (dongjunjie 2010/7/28)
*/
if ((dx != 0 && abs(dx) >= RECTW(rcScroll)) ||
(dy != 0 && abs(dy) >= RECTH(rcScroll))) {
InvalidateRect (hWnd, &rcScroll, TRUE);
goto UPDATERGN;
}
swi.iOffx = dx;
swi.iOffy = dy;
swi.rc1 = &rcScroll;
swi.rc2 = prcClip;
/* hide caret */
fCaret = HideCaretEx (hWnd, FALSE);
/* Modify the children's position before scrolling */
if (flags & SW_SCROLLCHILDREN) {
PCONTROL child;
child = ((PCONTROL)hWnd)->children;
while (child) {
if ((prcClip == NULL) ||
IsCovered ((const RECT*)&child->left, prcClip)) {
child->left += dx; child->top += dy;
child->right += dx; child->bottom += dy;
child->cl += dx; child->ct += dy;
child->cr += dx; child->cb += dy;
}
child = child->next;
}
}
SendMessage (HWND_DESKTOP, MSG_SCROLLMAINWIN, (WPARAM)hWnd, (LPARAM)(&swi));
/* show caret */
if (fCaret) ShowCaretEx (hWnd, FALSE);
UPDATERGN:
/* FIXME: we use the invalid region of the window as the update region directly. */
if (pRgnUpdate) {
/* copy from window's invalidate region */
RECT rcClient;
RECT rc;
CopyRegion (pRgnUpdate, &pWin->InvRgn.rgn);
/* FIXME: I have not the best idea to do this */
GetClientRect (hWnd, &rcClient);
rc = rcClient;
if (dx > 0)
rc.right = rc.left + dx + 1;
else if (dx < 0)
rc.left = rc.right + dx - 1;
if (dx != 0)
AddClipRect (pRgnUpdate, &rc);
rc = rcClient;
if (dy > 0)
rc.bottom = rc.top + dy + 1;
else if (dy < 0)
rc.top = rc.bottom + dy - 1;
if (dy != 0)
AddClipRect (pRgnUpdate, &rc);
}
if (prcUpdate) {
if (pRgnUpdate)
*prcUpdate = pRgnUpdate->rcBound;
else if (dx != 0 && dy != 0)
GetClientRect (hWnd, prcUpdate);
else if (dx != 0) {
GetClientRect (hWnd, prcUpdate);
if (dx > 0)
prcUpdate->right = prcUpdate->left + dx + 1;
else
prcUpdate->left = prcUpdate->right + dx - 1;
}
else if (dy != 0) {
GetClientRect (hWnd, prcUpdate);
if (dy > 0)
prcUpdate->bottom = prcUpdate->top + dx + 1;
else
prcUpdate->top = prcUpdate->bottom + dx - 1;
}
else
*prcUpdate = pWin->InvRgn.rgn.rcBound;
}
return pWin->InvRgn.rgn.type;
}
static PLFSCROLLBARINFO wndGetScrollBar (MAINWIN* pWin, int iSBar)
{
if (iSBar == SB_HORZ) {
if (pWin->dwStyle & WS_HSCROLL)
return &pWin->hscroll;
}
else if (iSBar == SB_VERT) {
if (pWin->dwStyle & WS_VSCROLL)
return &pWin->vscroll;
}
return NULL;
}
BOOL GUIAPI EnableScrollBar (HWND hWnd, int iSBar, BOOL bEnable)
{
PLFSCROLLBARINFO pSBar;
PMAINWIN pWin;
BOOL bPrevState;
RECT rcBar;
/* Since 5.0.0: not work for virtual window */
MG_CHECK_RET (MG_IS_NORMAL_WINDOW (hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR (hWnd);
if ( !(pSBar = wndGetScrollBar (pWin, iSBar)) )
return FALSE;
bPrevState = !(pSBar->status & SBS_DISABLED);
if (bEnable && !bPrevState)
pSBar->status &= ~SBS_DISABLED;
else if (!bEnable && bPrevState)
pSBar->status |= SBS_DISABLED;
else
return FALSE;
if (iSBar == SB_VERT)
wndGetVScrollBarRect (pWin, &rcBar);
else
wndGetHScrollBarRect (pWin, &rcBar);
SendAsyncMessage (hWnd, MSG_NCPAINT, 0, (LPARAM)(&rcBar));
return TRUE;
}
BOOL GUIAPI GetScrollPos (HWND hWnd, int iSBar, int* pPos)
{
PLFSCROLLBARINFO pSBar;
PMAINWIN pWin;
/* Since 5.0.0: not work for virtual window */
MG_CHECK_RET (MG_IS_NORMAL_WINDOW (hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR (hWnd);
if ( !(pSBar = wndGetScrollBar (pWin, iSBar)) )
return FALSE;
*pPos = pSBar->curPos;
return TRUE;
}
BOOL GUIAPI GetScrollRange (HWND hWnd, int iSBar, int* pMinPos, int* pMaxPos)
{
PLFSCROLLBARINFO pSBar;
PMAINWIN pWin;
/* Since 5.0.0: not work for virtual window */
MG_CHECK_RET (MG_IS_NORMAL_WINDOW (hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR (hWnd);
if ( !(pSBar = wndGetScrollBar (pWin, iSBar)) )
return FALSE;
*pMinPos = pSBar->minPos;
*pMaxPos = pSBar->maxPos;
return TRUE;
}
BOOL GUIAPI SetScrollPos (HWND hWnd, int iSBar, int iNewPos)
{
PLFSCROLLBARINFO pSBar;
PMAINWIN pWin;
/* Since 5.0.0: not work for virtual window */
MG_CHECK_RET (MG_IS_NORMAL_WINDOW (hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR (hWnd);
if ( !(pSBar = wndGetScrollBar (pWin, iSBar)) )
return FALSE;
if (iNewPos == pSBar->curPos)
return TRUE;
if (iNewPos < pSBar->minPos)
pSBar->curPos = pSBar->minPos;
else
pSBar->curPos = iNewPos;
{
int max = pSBar->maxPos;
max -= ((pSBar->pageStep - 1) > 0)?(pSBar->pageStep - 1):0;
if (pSBar->curPos > max)
pSBar->curPos = max;
}
RecalcScrollInfo (pWin, iSBar == SB_HORZ);
if(iSBar == SB_VERT)
{
// if (!(pWin->vscroll.status & SBS_HIDE ||
// pWin->vscroll.status & SBS_DISABLED))
wndDrawNCButton (pWin, HT_VSCROLL, 0);
}
else
{
// if (!(pWin->hscroll.status & SBS_HIDE ||
// pWin->hscroll.status & SBS_DISABLED))
wndDrawNCButton (pWin, HT_HSCROLL, 0);
}
return TRUE;
}
BOOL GUIAPI SetScrollRange (HWND hWnd, int iSBar, int iMinPos, int iMaxPos)
{
PLFSCROLLBARINFO pSBar;
PMAINWIN pWin;
/* Since 5.0.0: not work for virtual window */
MG_CHECK_RET (MG_IS_NORMAL_WINDOW (hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR (hWnd);
if ( !(pSBar = wndGetScrollBar (pWin, iSBar)) )
return FALSE;
if (iMinPos == pSBar->minPos && iMaxPos == pSBar->maxPos)
return TRUE;
pSBar->minPos = (iMinPos < iMaxPos)?iMinPos:iMaxPos;
pSBar->maxPos = (iMinPos > iMaxPos)?iMinPos:iMaxPos;
/* validate parameters. */
if (pSBar->curPos < pSBar->minPos)
pSBar->curPos = pSBar->minPos;
if (pSBar->pageStep <= 0)
pSBar->pageStep = 0;
else if (pSBar->pageStep > (pSBar->maxPos - pSBar->minPos + 1))
pSBar->pageStep = pSBar->maxPos - pSBar->minPos + 1;
{
int max = pSBar->maxPos;
max -= ((pSBar->pageStep - 1) > 0)?(pSBar->pageStep - 1):0;
if (pSBar->curPos > max)
pSBar->curPos = max;
}
RecalcScrollInfo (pWin, iSBar == SB_HORZ);
if(iSBar == SB_VERT)
{
// if (!(pWin->vscroll.status & SBS_HIDE ||
// pWin->vscroll.status & SBS_DISABLED))
wndDrawNCButton (pWin, HT_VSCROLL, 0);
}
else
{
// if (!(pWin->hscroll.status & SBS_HIDE ||
// pWin->hscroll.status & SBS_DISABLED))
wndDrawNCButton (pWin, HT_HSCROLL, 0);
}
return TRUE;
}
int wndScrollBarSliderStartPos (MAINWIN *pWin, int iSBar)
{
int start = 0;
int sb = GetWindowElementAttr ((HWND)pWin, WE_METRICS_SCROLLBAR);
if (iSBar == SB_HORZ) {
RECT rcHBar;
wndGetHScrollBarRect (pWin, &rcHBar);
start = rcHBar.left +
pWin->hscroll.barStart + sb;
}
else if (iSBar == SB_VERT) {
RECT rcVBar;
wndGetVScrollBarRect (pWin, &rcVBar);
start = rcVBar.top +
pWin->vscroll.barStart + sb;
if (start + pWin->vscroll.barLen > rcVBar.bottom)
start = rcVBar.bottom - pWin->vscroll.barLen;
}
return start;
}
BOOL GUIAPI SetScrollInfo (HWND hWnd, int iSBar,
const SCROLLINFO* lpsi, BOOL fRedraw)
{
PLFSCROLLBARINFO pSBar;
PMAINWIN pWin;
RECT rcBar;
DWORD changed_mask = 0;
int sb;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR (hWnd);
if ( !(pSBar = wndGetScrollBar (pWin, iSBar)) )
return FALSE;
if (lpsi->fMask & SIF_RANGE) {
if (pSBar->minPos != lpsi->nMin || pSBar->maxPos != lpsi->nMax) {
changed_mask |= SIF_RANGE;
}
}
if (lpsi->fMask & SIF_POS && pSBar->curPos != lpsi->nPos) {
changed_mask |= SIF_POS;
}
if (lpsi->fMask & SIF_PAGE && pSBar->pageStep != lpsi->nPage) {
changed_mask |= SIF_PAGE;
}
if (changed_mask == 0)
return TRUE;
else if (changed_mask == SIF_POS)
return SetScrollPos (hWnd, iSBar, lpsi->nPos);
if (changed_mask & SIF_RANGE) {
pSBar->minPos = (lpsi->nMin < lpsi->nMax)?lpsi->nMin:lpsi->nMax;
pSBar->maxPos = (lpsi->nMin < lpsi->nMax)?lpsi->nMax:lpsi->nMin;
}
if (changed_mask & SIF_POS)
pSBar->curPos = lpsi->nPos;
if (changed_mask & SIF_PAGE)
pSBar->pageStep = lpsi->nPage;
/* validate parameters. */
if (pSBar->curPos < pSBar->minPos)
pSBar->curPos = pSBar->minPos;
if (pSBar->pageStep <= 0)
pSBar->pageStep = 0;
else if (pSBar->pageStep > (pSBar->maxPos - pSBar->minPos + 1))
pSBar->pageStep = pSBar->maxPos - pSBar->minPos + 1;
{
int max = pSBar->maxPos;
max -= ((pSBar->pageStep - 1) > 0)?(pSBar->pageStep - 1):0;
if (pSBar->curPos > max)
pSBar->curPos = max;
}
if (fRedraw) {
HDC hdc;
if (iSBar == SB_VERT)
wndGetVScrollBarRect (pWin, &rcBar);
else
wndGetHScrollBarRect (pWin, &rcBar);
RecalcScrollInfo (pWin, iSBar == SB_HORZ);
sb = GetWindowElementAttr ((HWND)pWin, WE_METRICS_SCROLLBAR);
if (iSBar == SB_VERT) {
rcBar.top += sb;
rcBar.bottom -= sb;
}
else {
rcBar.left += sb;
rcBar.right -= sb;
}
hdc = GetDC (hWnd);
ClipRectIntersect (hdc, &rcBar);
if(iSBar == SB_VERT)
{
// if (!(pWin->vscroll.status & SBS_HIDE ||
// pWin->vscroll.status & SBS_DISABLED))
wndDrawNCButton (pWin, HT_VSCROLL, 0);
}
else
{
// if (!(pWin->hscroll.status & SBS_HIDE ||
// pWin->hscroll.status & SBS_DISABLED))
wndDrawNCButton (pWin, HT_HSCROLL, 0);
}
ReleaseDC (hdc);
}
return TRUE;
}
BOOL GUIAPI GetScrollInfo (HWND hWnd, int iSBar, PSCROLLINFO lpsi)
{
PLFSCROLLBARINFO pSBar;
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR (hWnd);
if (!(pSBar = wndGetScrollBar (pWin, iSBar)))
return FALSE;
if (lpsi->fMask & SIF_RANGE) {
lpsi->nMin = pSBar->minPos;
lpsi->nMax = pSBar->maxPos;
}
if (lpsi->fMask & SIF_POS) {
lpsi->nPos = pSBar->curPos;
}
if (lpsi->fMask & SIF_PAGE)
lpsi->nPage = pSBar->pageStep;
return TRUE;
}
BOOL GUIAPI ShowScrollBar (HWND hWnd, int iSBar, BOOL bShow)
{
PLFSCROLLBARINFO pSBar;
PMAINWIN pWin;
BOOL bPrevState;
RECT rcBar;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR (hWnd);
if ( !(pSBar = wndGetScrollBar (pWin, iSBar)) )
{
return FALSE;
}
bPrevState = !(pSBar->status & SBS_HIDE);
if( (bPrevState && bShow) || (!bPrevState && !bShow))
{
return FALSE;
}
//TO AVOID THE DEAD LOOP
if (!bPrevState
&& ((pSBar->minPos == pSBar->maxPos)
|| (pSBar->pageStep >= (pSBar->maxPos - pSBar->minPos))))
{
return FALSE;
}
if (iSBar == SB_VERT)
wndGetVScrollBarRect (pWin, &rcBar);
else
wndGetHScrollBarRect (pWin, &rcBar);
//HEAR, status Changed,
if(bShow)
pSBar->status &= ~SBS_HIDE;
else
pSBar->status |= SBS_HIDE;
//Hear , MSG_CHANGESIZE would call OnChangeSize
//OnChangeSize May be modify pSBar->status as 100
//( pSBar->status|=SBS_HIDE), when
// pSBar's pageStep >= max -min
// And Then, RecalcClientArea would be called,
// RecalcClientArea will send MSG_CHANGESIZE,
// In some controls, it will process MSG_CHANGESIZE
// and call ShowScrollBar too.
// Becareful the MSG_CHANGESIZE !!!
SendAsyncMessage (hWnd, MSG_CHANGESIZE, 0, 0);
/* houhh 20081006, pSbar->status |= SBS_HIDE, Get rcBar is error.
*/
#if 0
if (iSBar == SB_VERT)
wndGetVScrollBarRect (pWin, &rcBar);
else
wndGetHScrollBarRect (pWin, &rcBar);
#endif
InflateRect (&rcBar, 1, 1);
if (bShow) {
SendAsyncMessage (hWnd, MSG_NCPAINT, 0, 0);
}
else {
/* tranlate the rcBar coordinate relative to client area. */
RECT cli_rc;
const WINDOWINFO *info = GetWindowInfo (hWnd);
info->we_rdr->calc_we_area (hWnd, HT_CLIENT, &cli_rc);
SendAsyncMessage (hWnd, MSG_NCPAINT, 0, 0);
rcBar.left -= cli_rc.left;
rcBar.top -= cli_rc.top;
rcBar.right -= cli_rc.left;
rcBar.bottom -= cli_rc.top;
InvalidateRect (hWnd, &rcBar, TRUE);
}
return TRUE;
}
/* moved here from desktop.c; can be used on virtual window */
static void guiAddNewHostedMainWindow (PMAINWIN pHosting, PMAINWIN pHosted)
{
PMAINWIN head, prev;
pHosted->pNextHosted = NULL;
head = pHosting->pFirstHosted;
if (head) {
while (head) {
prev = head;
head = head->pNextHosted;
}
prev->pNextHosted = pHosted;
}
else
pHosting->pFirstHosted = pHosted;
}
/* moved here from desktop.c; can be used on virtual window */
static void guiRemoveHostedMainWindow (PMAINWIN pHosting, PMAINWIN pHosted)
{
PMAINWIN head, prev;
head = pHosting->pFirstHosted;
if (head == pHosted) {
pHosting->pFirstHosted = head->pNextHosted;
}
else {
while (head) {
prev = head;
head = head->pNextHosted;
if (head == pHosted) {
prev->pNextHosted = head->pNextHosted;
break;
}
}
}
#if 1 /* debug code */
head = pHosting->pFirstHosted;
while (head) {
if (head == pHosted) {
assert (0);
}
head = head->pNextHosted;
}
#endif /* debug code */
}
/************************* Support for virtual window ************************/
#ifdef _MGHAVE_VIRTUAL_WINDOW
struct _entry_args {
void* (*start_routine)(void *);
void* arg;
sem_t* wait;
void* msg_queue;
};
static void* _message_thread_entry (void* arg)
{
struct _entry_args* orig_args = (struct _entry_args*)arg;
struct _entry_args entry_args = *orig_args;
if (pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, NULL))
goto failed;
/* create message queue for this thread */
if (!(entry_args.msg_queue = mg_AllocMsgQueueForThisThread ()))
goto failed;
orig_args->msg_queue = entry_args.msg_queue;
sem_post (entry_args.wait);
SendMessage (HWND_DESKTOP, MSG_MANAGE_MSGTHREAD,
MSGTHREAD_SIGNIN, (LPARAM)&entry_args.msg_queue);
if (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL))
goto failed;
/* call start routine of app */
entry_args.start_routine (entry_args.arg);
SendMessage (HWND_DESKTOP, MSG_MANAGE_MSGTHREAD,
MSGTHREAD_SIGNOUT, (LPARAM)&entry_args.msg_queue);
mg_FreeMsgQueueForThisThread ();
return NULL;
failed:
sem_post (entry_args.wait);
return NULL;
}
MG_EXPORT int GUIAPI CreateThreadForMessaging (pthread_t* thread,
pthread_attr_t* attr, void* (*start_routine)(void *), void* arg,
BOOL joinable, size_t stack_size)
{
pthread_attr_t new_attr;
sem_t wait;
struct _entry_args entry_args;
int ret;
pthread_attr_init (&new_attr);
if (attr == NULL) {
attr = &new_attr;
if (joinable)
pthread_attr_setdetachstate (attr, PTHREAD_CREATE_JOINABLE);
else
pthread_attr_setdetachstate (attr, PTHREAD_CREATE_DETACHED);
#ifdef __NOUNIX__
if (stack_size <= 4)
stack_size = 4;
/* hope 4KB is enough for a message thread */
pthread_attr_setstacksize (attr, stack_size * 1024);
#endif
}
entry_args.start_routine = start_routine;
entry_args.arg = arg;
entry_args.wait = &wait;
sem_init (entry_args.wait, 0, 0);
ret = pthread_create (thread, attr, _message_thread_entry, &entry_args);
sem_wait (entry_args.wait);
sem_destroy (&wait);
pthread_attr_destroy (&new_attr);
if (ret == 0 && entry_args.msg_queue == NULL) {
// failed to create the message queue for the thread.
ret = ENOMEM;
}
return ret;
}
BOOL GUIAPI GetThreadByWindow (HWND hWnd, pthread_t* thread)
{
PMAINWIN pMainWin;
pMainWin = (PMAINWIN)hWnd;
if (!MG_IS_APP_WINDOW(hWnd))
return FALSE;
else {
pMainWin = pMainWin->pMainWin;
}
*thread = pMainWin->pMsgQueue->th;
return TRUE;
}
BOOL GUIAPI IsWindowInThisThread (HWND hWnd)
{
return (getMsgQueueIfWindowInThisThread (hWnd) != NULL);
}
HWND GUIAPI CreateVirtualWindow (HWND hHosting, WNDPROC WndProc,
const char* spCaption, LINT id, DWORD dwAddData)
{
PVIRTWIN pVirtWin;
PMSGQUEUE pMsgQueue;
if (!(pMsgQueue = getMsgQueueForThisThread ())) {
_WRN_PRINTF ("Not a message thread!\n");
return HWND_INVALID;
}
if (!(pVirtWin = calloc (1, sizeof(VIRTWIN)))) {
return HWND_INVALID;
}
pVirtWin->DataType = TYPE_HWND;
pVirtWin->WinType = TYPE_VIRTWIN;
pVirtWin->pMsgQueue = pMsgQueue;
pVirtWin->spCaption = FixStrAlloc (strlen (spCaption));
if (spCaption [0])
strcpy (pVirtWin->spCaption, spCaption);
pVirtWin->id = id;
pVirtWin->WndProc = WndProc;
pVirtWin->dwAddData = dwAddData;
pVirtWin->pMainWin = pVirtWin;
if (pMsgQueue->pRootMainWin == NULL) {
pMsgQueue->pRootMainWin = (PMAINWIN)pVirtWin;
}
else if (hHosting == HWND_DESKTOP || hHosting == HWND_NULL) {
pVirtWin->pHosting = (PVIRTWIN)pMsgQueue->pRootMainWin;
}
else {
if (pMsgQueue != getMsgQueueIfWindowInThisThread (hHosting)) {
goto err;
}
else {
pVirtWin->pHosting = (PVIRTWIN)hHosting;
}
}
if (SendMessage ((HWND)pVirtWin, MSG_CREATE,
(WPARAM)pVirtWin->pHosting, (LPARAM)dwAddData)) {
goto err;
}
/* handle hosting relationship */
if (pVirtWin->pHosting)
guiAddNewHostedMainWindow ((PMAINWIN)pVirtWin->pHosting,
(PMAINWIN)pVirtWin);
pMsgQueue->nrWindows++;
return (HWND)pVirtWin;
err:
if (pMsgQueue->pRootMainWin == (PMAINWIN)pVirtWin) {
pMsgQueue->pRootMainWin = NULL;
assert (pMsgQueue->nrWindows == 0);
}
/* Since 5.0.0: we must throw away the messages for this window, because
there are some messages, have been put into the message queue.
Or DispatchMessage will panic. */
__mg_throw_away_messages (pMsgQueue, (HWND)pVirtWin);
free (pVirtWin);
return HWND_INVALID;
}
BOOL GUIAPI DestroyVirtualWindow (HWND hVirtWnd)
{
PVIRTWIN pVirtWin;
PVIRTWIN hosted;
PMSGQUEUE pMsgQueue;
MG_CHECK_RET (MG_IS_VIRTUAL_WINDOW (hVirtWnd), FALSE);
pVirtWin = MG_GET_VIRTUAL_WINDOW_PTR (hVirtWnd);
if (!(pMsgQueue = getMsgQueueIfWindowInThisThread (hVirtWnd))) {
return FALSE;
}
/* destroy all hosted virtual windows, main windows, and dialogs here. */
hosted = pVirtWin->pFirstHosted;
while (hosted) {
PVIRTWIN next = hosted->pNextHosted;
if (hosted->WinType == TYPE_VIRTWIN) {
if (DestroyVirtualWindow ((HWND)hosted)) {
VirtualWindowCleanup ((HWND)hosted);
}
else
goto broken;
}
else if (((PMAINWIN)hosted)->dwExStyle & WS_EX_DIALOGBOX) {
if (!EndDialog ((HWND)hosted, IDCANCEL))
goto broken;
}
else {
assert (hosted->WinType == TYPE_MAINWIN);
if (DestroyMainWindow ((HWND)hosted)) {
MainWindowCleanup ((HWND)hosted);
}
else
goto broken;
}
hosted = next;
}
if (SendMessage (hVirtWnd, MSG_DESTROY, 0, 0)) {
goto broken;
}
/* kill all timers of this window */
KillTimer (hVirtWnd, 0);
if (pVirtWin->pHosting)
guiRemoveHostedMainWindow ((PMAINWIN)pVirtWin->pHosting,
(PMAINWIN)pVirtWin);
/* make the window to be invalid for PeekMessageEx, PostMessage etc */
pVirtWin->DataType = TYPE_WINTODEL;
ThrowAwayMessages (hVirtWnd);
if (pVirtWin->spCaption) {
FreeFixStr (pVirtWin->spCaption);
pVirtWin->spCaption = NULL;
}
pMsgQueue->nrWindows--;
if (pMsgQueue->pRootMainWin == (PMAINWIN)pVirtWin) {
pMsgQueue->pRootMainWin = NULL;
assert (pMsgQueue->nrWindows == 0);
}
return TRUE;
broken:
return FALSE;
}
BOOL GUIAPI VirtualWindowCleanup (HWND hVirtWnd)
{
PVIRTWIN pVirtWin;
if (!MG_IS_DESTROYED_VIRT_WINDOW (hVirtWnd)) {
_WRN_PRINTF ("Unexpected call: Window(%p) not destroyed yet! "
"Please call DestroyVirtualWindow() first\n", hVirtWnd);
return FALSE;
}
if (!getMsgQueueIfWindowInThisThread (hVirtWnd)) {
return FALSE;
}
pVirtWin = (PVIRTWIN)hVirtWnd;
_DBG_PRINTF ("window(%p), caption(%s)\n", pVirtWin, pVirtWin->spCaption);
#ifdef __THREADX__
/* to avoid threadx keep pVirtWin's value, which will lead to wrong way */
memset (pVirtWin, 0xcc, sizeof(VIRTWIN));
#endif
free (pVirtWin);
return TRUE;
}
#endif /* defined _MGHAVE_VIRTUAL_WINDOW */
/*************************** Main window creation ****************************/
#if 0 /* VW: deprecated code */
int GUIAPI CreateThreadForMainWindow (pthread_t* thread,
pthread_attr_t* attr, void * (*start_routine)(void *), void* arg)
{
pthread_attr_t new_attr;
int ret;
pthread_attr_init (&new_attr);
if (attr == NULL) {
attr = &new_attr;
pthread_attr_setdetachstate (attr, PTHREAD_CREATE_DETACHED);
#ifdef __NOUNIX__
/* hope 16KB is enough for MiniGUI */
pthread_attr_setstacksize (attr, 16 * 1024);
#endif
}
ret = pthread_create(thread, attr, start_routine, arg);
pthread_attr_destroy (&new_attr);
return ret;
}
pthread_t GUIAPI GetMainWinThread (HWND hMainWnd)
{
#ifdef WIN32
pthread_t ret;
memset(&ret, 0, sizeof(pthread_t));
MG_CHECK_RET (MG_IS_APP_WINDOW(hMainWnd), ret);
#else
MG_CHECK_RET (MG_IS_APP_WINDOW(hMainWnd), 0);
#endif
return ((PMAINWIN)hMainWnd)->th;
}
#endif /* deprecated code */
#ifdef _MGRM_THREADS
/* This function is deprecated since 5.0.0 */
int GUIAPI WaitMainWindowClose (HWND hWnd, void** returnval)
{
pthread_t th;
if (!(checkAndGetMainWindowPtrOfMainWin(hWnd)))
return -1;
th = GetMainWinThread (hWnd);
return pthread_join (th, returnval);
}
#endif /* _MGRM_THREADS */
BOOL GUIAPI MainWindowCleanup (HWND hMainWnd)
{
PMAINWIN pMainWin;
if (!MG_IS_DESTROYED_MAIN_WINDOW (hMainWnd)) {
_WRN_PRINTF ("Unexpected call: Window(%p) not destroyed yet! "
"Please call DestroyMainualWindow() first\n", hMainWnd);
return FALSE;
}
#ifdef _MGHAVE_VIRTUAL_WINDOW
if (!getMsgQueueIfWindowInThisThread (hMainWnd)) {
return FALSE;
}
#endif
pMainWin = (PMAINWIN)hMainWnd;
_DBG_PRINTF ("window(%p), caption(%s)\n", pMainWin, pMainWin->spCaption);
#ifdef __THREADX__
/* to avoid threadx keep pMainWin's value, which will lead to wrong way */
memset (pMainWin, 0xcc, sizeof (MAINWIN));
#endif
free (pMainWin);
return TRUE;
}
#ifdef __TARGET_FMSOFT__
/* To handle main window offset */
int __mg_mainwin_offset_x;
int __mg_mainwin_offset_y;
#endif
static void set_window_renderer (PMAINWIN pWin, const char* werdr_name)
{
const WINDOW_ELEMENT_RENDERER* renderer =
GetWindowRendererFromName (werdr_name);
if (renderer)
pWin->we_rdr = (WINDOW_ELEMENT_RENDERER*)renderer;
else
pWin->we_rdr = __mg_def_renderer;
if (pWin->we_rdr)
++pWin->we_rdr->refcount;
}
/*
* ResetMenuSize:
* reset menu height
*
* Author : NuohuaZhou
* Data : 2007-11-22
*/
static void ResetMenuSize (HWND hwnd)
{
/** font size of renderer */
int font_size;
/** min menu size of renderer */
int menu_height_min;
/** expect menu size of renderer */
int menu_height_expect;
font_size = ((PLOGFONT)GetWindowElementAttr (hwnd, WE_FONT_MENU))->size;
menu_height_min = font_size + (LFRDR_MENUITEMOFFY_MIN << 1);
menu_height_expect = GetWindowElementAttr (hwnd, WE_METRICS_MENU);
/** reset menu height */
if (menu_height_expect < menu_height_min) {
SetWindowElementAttr (hwnd, WE_METRICS_MENU, menu_height_min);
}
}
HWND GUIAPI CreateMainWindowEx2 (PMAINWINCREATE pCreateInfo,
const char* werdr_name, const WINDOW_ELEMENT_ATTR* we_attrs,
unsigned int surf_flag, int ct, DWORD ct_arg,
LINT id, LINT reserved)
{
PMAINWIN pWin;
COMPOSITINGINFO ct_info = { ct, ct_arg };
if (pCreateInfo == NULL) {
return HWND_INVALID;
}
if (!(pWin = calloc (1, sizeof(MAINWIN)))) {
return HWND_INVALID;
}
#ifdef _MGRM_THREADS
/* Create or get the message queue for this new main window. */
if ((pWin->pMsgQueue = getMsgQueueForThisThread ()) == NULL) {
goto err;
}
if (pWin->pMsgQueue->pRootMainWin == NULL) {
pWin->pMsgQueue->pRootMainWin = pWin;
}
else if (pCreateInfo->hHosting == HWND_DESKTOP ||
pCreateInfo->hHosting == HWND_NULL) {
pWin->pHosting = pWin->pMsgQueue->pRootMainWin;
}
else {
if (pWin->pMsgQueue != getMsgQueue (pCreateInfo->hHosting)) {
goto err;
}
}
if (pWin->pHosting == NULL)
pWin->pHosting = getMainWindowPtr (pCreateInfo->hHosting);
/* leave the pHosting is NULL for the first window of this thread. */
#else /* defined _MGRM_THREADS */
/* you must create main window in the main thread for non-threads mods */
if (getMsgQueueForThisThread () != __mg_dsk_msg_queue) {
goto err;
}
pWin->pHosting = getMainWindowPtr (pCreateInfo->hHosting);
if (pWin->pHosting == NULL)
pWin->pHosting = __mg_dsk_win;
pWin->pMsgQueue = __mg_dsk_msg_queue;
#endif /* not defined _MGRM_THREADS */
pWin->pMainWin = pWin;
pWin->hParent = HWND_NULL;
pWin->pFirstHosted = NULL;
pWin->pNextHosted = NULL;
pWin->DataType = TYPE_HWND;
pWin->WinType = TYPE_MAINWIN;
pWin->hFirstChild = 0;
pWin->hActiveChild = 0;
pWin->hOldUnderPointer = 0;
pWin->hPrimitive = 0;
pWin->NotifProc = NULL;
pWin->dwStyle = pCreateInfo->dwStyle;
pWin->dwExStyle = pCreateInfo->dwExStyle;
/* Since 5.0.0: clear the control-only style bits */
pWin->dwStyle &= ~WS_CONTROL_ONLY_MASK;
if (pWin->dwExStyle & WS_EX_TOPMOST) {
pWin->dwExStyle &= ~WS_EX_WINTYPE_MASK;
pWin->dwExStyle |= WS_EX_WINTYPE_HIGHER;
}
/* Since 5.0.0: calculate the default postion */
if (pWin->dwStyle & WS_EX_AUTOPOSITION) {
CALCPOSINFO info = { pWin->dwStyle, pWin->dwExStyle,
{pCreateInfo->lx, pCreateInfo->ty,
pCreateInfo->rx, pCreateInfo->by} };
// we ignore the retval. may fail for client of procs runmode
SendMessage (HWND_DESKTOP, MSG_CALC_POSITION, 0, (LPARAM)&info);
pCreateInfo->lx = info.rc.left;
pCreateInfo->ty = info.rc.top;
pCreateInfo->rx = info.rc.right;
pCreateInfo->by = info.rc.bottom;
}
#ifdef __TARGET_FMSOFT__
pCreateInfo->lx += __mg_mainwin_offset_x;
pCreateInfo->rx += __mg_mainwin_offset_x;
pCreateInfo->ty += __mg_mainwin_offset_y;
pCreateInfo->by += __mg_mainwin_offset_y;
#endif
#ifdef _MGHAVE_MENU
pWin->hMenu = pCreateInfo->hMenu;
#else
pWin->hMenu = 0;
#endif
pWin->hCursor = pCreateInfo->hCursor;
pWin->hIcon = pCreateInfo->hIcon;
#ifdef _MGHAVE_MENU
if ((pWin->dwStyle & WS_CAPTION) && (pWin->dwStyle & WS_SYSMENU))
pWin->hSysMenu= CreateSystemMenu ((HWND)pWin, pWin->dwStyle);
else
#endif
pWin->hSysMenu = 0;
pWin->spCaption = FixStrAlloc (strlen (pCreateInfo->spCaption));
if (pCreateInfo->spCaption [0])
strcpy (pWin->spCaption, pCreateInfo->spCaption);
/* Since 5.0.0 */
pWin->id = id;
pWin->MainWindowProc = pCreateInfo->MainWindowProc;
pWin->iBkColor = pCreateInfo->iBkColor;
pWin->pCaretInfo = NULL;
pWin->dwAddData = pCreateInfo->dwAddData;
pWin->dwAddData2 = 0;
pWin->secondaryDC = 0;
/* Scroll bar */
if (pWin->dwStyle & WS_VSCROLL) {
pWin->vscroll.minPos = 0;
pWin->vscroll.maxPos = 100;
pWin->vscroll.curPos = 0;
pWin->vscroll.pageStep = 101;
pWin->vscroll.barStart = 0;
pWin->vscroll.barLen = 10;
pWin->vscroll.status = SBS_NORMAL;
}
else
pWin->vscroll.status = SBS_HIDE | SBS_DISABLED;
if (pWin->dwStyle & WS_HSCROLL) {
pWin->hscroll.minPos = 0;
pWin->hscroll.maxPos = 100;
pWin->hscroll.curPos = 0;
pWin->hscroll.pageStep = 101;
pWin->hscroll.barStart = 0;
pWin->hscroll.barLen = 10;
pWin->hscroll.status = SBS_NORMAL;
}
else
pWin->hscroll.status = SBS_HIDE | SBS_DISABLED;
/** perfer to use parent renderer */
if (pWin->dwExStyle & WS_EX_USEPARENTRDR) {
if (((PMAINWIN)pCreateInfo->hHosting)->we_rdr) {
pWin->we_rdr = ((PMAINWIN)pCreateInfo->hHosting)->we_rdr;
++pWin->we_rdr->refcount;
}
else {
return HWND_INVALID;
}
}
else {
/** set window renderer */
set_window_renderer (pWin, werdr_name);
}
/** set window element data */
while (we_attrs && we_attrs->we_attr_id != -1) {
// __mg_append_window_element_data (pWin,
// we_attrs->we_attr_id, we_attrs->we_attr);
DWORD _old;
__mg_set_window_element_data ((HWND)pWin,
we_attrs->we_attr_id, we_attrs->we_attr, &_old);
++we_attrs;
}
/** prefer to parent font */
if (pWin->dwExStyle & WS_EX_USEPARENTFONT)
pWin->pLogFont = __mg_dsk_win->pLogFont;
else {
pWin->pLogFont = GetSystemFont (SYSLOGFONT_WCHAR_DEF);
}
if (SendMessage ((HWND)pWin, MSG_NCCREATE, 0, (LPARAM)pCreateInfo))
goto err;
/** reset menu size */
ResetMenuSize ((HWND)pWin);
SendMessage ((HWND)pWin, MSG_SIZECHANGING,
(WPARAM)&pCreateInfo->lx, (LPARAM)&pWin->left);
SendMessage ((HWND)pWin, MSG_CHANGESIZE, (WPARAM)&pWin->left, 0);
#ifdef _MGSCHEMA_COMPOSITING
pWin->surf = GAL_CreateSurfaceForZNode (surf_flag, pWin->right - pWin->left,
pWin->bottom - pWin->top);
if ((surf_flag & ST_PIXEL_MASK) != ST_PIXEL_DEFAULT) {
pWin->iBkColor = GAL_MapRGBA (pWin->surf->format,
GetRValue (pCreateInfo->dwBkColor), GetGValue (pCreateInfo->dwBkColor),
GetBValue (pCreateInfo->dwBkColor), GetAValue (pCreateInfo->dwBkColor));
}
#else
pWin->pGCRInfo = &pWin->GCRInfo;
#endif
if (SendMessage (HWND_DESKTOP, MSG_ADDNEWMAINWIN,
(WPARAM)pWin, (LPARAM)&ct_info) < 0)
goto err;
#if 0
/* houhh20081127, Move these code into dskAddNewMainWindow().*/
/* Create secondary window dc. */
if (pWin->dwExStyle & WS_EX_AUTOSECONDARYDC)
pWin->secondaryDC = CreateSecondaryDC ((HWND)pWin);
#endif
/* We should add the new main window in system and then
* SendMessage MSG_CREATE for application to create
* child windows. */
if (SendMessage ((HWND)pWin, MSG_CREATE,
(WPARAM)pWin->pHosting, (LPARAM)pCreateInfo)) {
SendMessage (HWND_DESKTOP, MSG_REMOVEMAINWIN, (WPARAM)pWin, 0);
goto err;
}
/* handle hosting relationship after the main window was created at last */
if (pWin->pHosting)
guiAddNewHostedMainWindow (pWin->pHosting, pWin);
#if 0
/* Create private client dc. */
if (pWin->dwExStyle & WS_EX_USEPRIVATECDC) {
if (pWin->dwExStyle & WS_EX_AUTOSECONDARYDC)
pWin->privCDC = GetSecondarySubDC (pWin->secondaryDC, (HWND)pWin, TRUE);
else
pWin->privCDC = CreatePrivateClientDC ((HWND)pWin);
}
else
pWin->privCDC = 0;
#endif
#ifndef _MGRM_PROCESSES
__mg_screensaver_create();
#endif
#ifdef _MGSCHEMA_COMPOSITING
// Close file descriptor to free kernel memory?
if (pWin->surf->shared_header) {
close (pWin->surf->shared_header->fd);
pWin->surf->shared_header->fd = -1;
}
#endif
pWin->pMsgQueue->nrWindows++;
return (HWND)pWin;
err:
#ifdef _MGSCHEMA_COMPOSITING
if (pWin->surf)
GAL_FreeSurface (pWin->surf);
#endif
if (pWin->secondaryDC)
DeleteSecondaryDC ((HWND)pWin);
if (pWin->pMsgQueue && pWin->pMsgQueue->pRootMainWin == pWin) {
pWin->pMsgQueue->pRootMainWin = NULL;
assert (pWin->pMsgQueue->nrWindows == 0);
}
/* Since 5.0.0: we must throw away the messages for this window, because
there are some messages, e.g., MSG_CSIZECHANGED, have been put into
the message queue. Or DispatchMessage will panic. */
__mg_throw_away_messages (pWin->pMsgQueue, (HWND)pWin);
free (pWin);
return HWND_INVALID;
}
BOOL GUIAPI DestroyMainWindow (HWND hWnd)
{
PMAINWIN pWin;
PMAINWIN hosted; /* for hosted window list. */
PMSGQUEUE pMsgQueue;
if (!(pWin = checkAndGetMainWindowPtrOfMainWin (hWnd)))
return FALSE;
if (!(pMsgQueue = getMsgQueueIfWindowInThisThread (hWnd))) {
return FALSE;
}
/* destroy all hosted main windows and dialogs here. */
hosted = pWin->pFirstHosted;
while (hosted) {
PMAINWIN next = hosted->pNextHosted;
#ifdef _MGHAVE_VIRTUAL_WINDOW
if (hosted->WinType == TYPE_VIRTWIN) {
if (DestroyVirtualWindow ((HWND)hosted)) {
VirtualWindowCleanup ((HWND)hosted);
}
else
return FALSE;
}
else
#endif /* defined _MGHAVE_VIRTUAL_WINDOW */
if (pWin->dwExStyle & WS_EX_DIALOGBOX) {
if (!EndDialog ((HWND)hosted, IDCANCEL))
return FALSE;
}
else {
assert (hosted->WinType == TYPE_MAINWIN);
if (DestroyMainWindow ((HWND)hosted))
MainWindowCleanup ((HWND)hosted);
else
return FALSE;
}
hosted = next;
}
if (SendMessage (hWnd, MSG_DESTROY, 0, 0))
return FALSE;
/* destroy all controls of this window */
DestroyAllControls (hWnd);
/* kill all timers of this window */
KillTimer (hWnd, 0);
if (pWin->pHosting)
guiRemoveHostedMainWindow (pWin->pHosting, pWin);
SendMessage (HWND_DESKTOP, MSG_REMOVEMAINWIN, (WPARAM)hWnd, 0);
if (sg_repeat_msg.hwnd == hWnd)
sg_repeat_msg.hwnd = 0;
/* make the window to be invalid for PeekMessageEx, PostMessage etc */
pWin->DataType = TYPE_WINTODEL;
ThrowAwayMessages (hWnd);
/* houhh 20081127, move these code to .*/
#if 0
if ((pWin->dwExStyle & WS_EX_AUTOSECONDARYDC) && pWin->secondaryDC) {
DeleteSecondaryDC (hWnd);
pWin->update_secdc = NULL;
}
if (pWin->privCDC) {
if (pWin->dwExStyle & WS_EX_AUTOSECONDARYDC) {
ReleaseSecondarySubDC (pWin->privCDC);
}
else
DeletePrivateDC (pWin->privCDC);
pWin->privCDC = 0;
}
#endif
if (pWin->spCaption) {
FreeFixStr (pWin->spCaption);
pWin->spCaption = NULL;
}
#ifdef _MGHAVE_MENU
if (pWin->hMenu) {
DestroyMenu (pWin->hMenu);
pWin->hMenu = 0;
}
if (pWin->hSysMenu) {
DestroyMenu (pWin->hSysMenu);
pWin->hSysMenu = 0;
}
#endif
#ifdef _MGSCHEMA_COMPOSITING
GAL_FreeSurface (pWin->surf);
#else
EmptyClipRgn (&pWin->pGCRInfo->crgn);
#endif
EmptyClipRgn (&pWin->InvRgn.rgn);
__mg_free_window_element_data (hWnd);
--pWin->we_rdr->refcount;
#ifdef _MGRM_THREADS
pthread_mutex_destroy (&pWin->pGCRInfo->lock);
pthread_mutex_destroy (&pWin->InvRgn.lock);
#endif
pMsgQueue->nrWindows--;
if (pMsgQueue->pRootMainWin == pWin) {
pMsgQueue->pRootMainWin = NULL;
assert (pMsgQueue->nrWindows == 0);
}
return TRUE;
}
/*************************** Main window creation ****************************/
void GUIAPI UpdateWindow (HWND hWnd, BOOL fErase)
{
MG_CHECK (MG_IS_NORMAL_WINDOW (hWnd));
if (fErase)
SendAsyncMessage (hWnd, MSG_CHANGESIZE, 0, 0);
SendAsyncMessage (hWnd, MSG_NCPAINT, 0, 0);
if (fErase)
InvalidateRect (hWnd, NULL, TRUE);
else
InvalidateRect (hWnd, NULL, FALSE);
#if 0
#if 0
MSG Msg;
HWND hMainWnd;
/* MSG_PAINT Must Use PostMessage. Becuse Only PostMessage can give a correct order
* when processing MSG_PAINT message
*
* the Order of MSG_PAINT:
* * The Parent Window Must Be Painted before Children
* * The Previously created window must be Painted before afterwards created
*
* */
if (hWnd != HWND_DESKTOP) {
PMAINWIN pWin;
pWin = (PMAINWIN) hWnd;
SendMessage (hWnd, MSG_PAINT, 0, (LPARAM)(&pWin->InvRgn.rgn));
}
else
SendMessage (hWnd, MSG_PAINT, 0, 0);
#else
hMainWnd = GetMainWindowHandle(hWnd);
while(PeekMessageEx(&Msg, hMainWnd, MSG_PAINT, MSG_PAINT + 1 , FALSE, PM_REMOVE))
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
#endif
#else /* a new implementation only check the window and its children. */
{
PMAINWIN pWin, winStartToUpdate;
winStartToUpdate = pWin = (PMAINWIN) hWnd;
while (pWin != pWin->pMainWin) {
if ((pWin->dwExStyle & WS_EX_TRANSPARENT)) {
winStartToUpdate = (PMAINWIN) pWin->hParent;
}
pWin = (PMAINWIN) pWin->hParent;
}
while ((hWnd = kernel_CheckInvalidRegion (winStartToUpdate))) {
pWin = (PMAINWIN) hWnd;
SendMessage (hWnd, MSG_PAINT, 0, (LPARAM)(&pWin->InvRgn.rgn));
}
}
#endif
}
void GUIAPI UpdateInvalidClient (HWND hWnd, BOOL fErase)
{
MG_CHECK (MG_IS_NORMAL_WINDOW (hWnd));
if (fErase) {
SendAsyncMessage (hWnd, MSG_CHANGESIZE, 0, 0);
SendAsyncMessage (hWnd, MSG_NCPAINT, 0, 0);
}
/* a new implementation only check the window and its children. */
{
PMAINWIN pWin, winStartToUpdate;
winStartToUpdate = pWin = (PMAINWIN) hWnd;
while (pWin != pWin->pMainWin) {
if ((pWin->dwExStyle & WS_EX_TRANSPARENT)) {
winStartToUpdate = (PMAINWIN) pWin->hParent;
}
pWin = (PMAINWIN) pWin->hParent;
}
while ((hWnd = kernel_CheckInvalidRegion (winStartToUpdate))) {
pWin = (PMAINWIN) hWnd;
SendMessage (hWnd, MSG_PAINT, 0, (LPARAM)(&pWin->InvRgn.rgn));
}
}
}
/*
** this function show window in behavious by specified iCmdShow.
** if the window was previously visible, the return value is nonzero.
** if the window was previously hiddedn, the return value is zero.
*/
BOOL GUIAPI ShowWindow (HWND hWnd, int iCmdShow)
{
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), FALSE);
if (IsMainWindow (hWnd)) {
switch (iCmdShow) {
case SW_SHOWNORMAL:
SendMessage (HWND_DESKTOP,
MSG_MOVETOTOPMOST, (WPARAM)hWnd, 0);
break;
case SW_SHOW:
SendMessage (HWND_DESKTOP,
MSG_SHOWMAINWIN, (WPARAM)hWnd, 0);
break;
case SW_HIDE:
SendMessage (HWND_DESKTOP,
MSG_HIDEMAINWIN, (WPARAM)hWnd, 0);
break;
}
}
else {
PCONTROL pControl;
pControl = (PCONTROL)hWnd;
if (pControl->dwExStyle & WS_EX_CTRLASMAINWIN) {
if (iCmdShow == SW_SHOW)
SendMessage (HWND_DESKTOP,
MSG_SHOWGLOBALCTRL, (WPARAM)hWnd, iCmdShow);
else if (iCmdShow == SW_HIDE)
SendMessage (HWND_DESKTOP,
MSG_HIDEGLOBALCTRL, (WPARAM)hWnd, iCmdShow);
else {
return FALSE;
}
}
else {
switch (iCmdShow) {
case SW_SHOWNORMAL:
case SW_SHOW:
if (!(pControl->dwStyle & WS_VISIBLE)) {
pControl->dwStyle |= WS_VISIBLE;
SendAsyncMessage (hWnd, MSG_NCPAINT, 0, 0);
InvalidateRect (hWnd, NULL, TRUE);
}
break;
case SW_HIDE:
if (pControl->dwStyle & WS_VISIBLE) {
pControl->dwStyle &= ~WS_VISIBLE;
InvalidateRect ((HWND)(pControl->pParent),
(RECT*)(&pControl->left), TRUE);
}
break;
}
}
if (iCmdShow == SW_HIDE && pControl->pParent->active == pControl) {
SendNotifyMessage (hWnd, MSG_KILLFOCUS, 0, 0);
pControl->pParent->active = NULL;
}
}
SendNotifyMessage (hWnd, MSG_SHOWWINDOW, (WPARAM)iCmdShow, 0);
return TRUE;
}
BOOL GUIAPI EnableWindow (HWND hWnd, BOOL fEnable)
{
BOOL fOldStatus;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), FALSE);
if (IsMainWindow (hWnd)) {
fOldStatus = SendMessage (HWND_DESKTOP, MSG_ENABLEMAINWIN,
(WPARAM)hWnd, (LPARAM)fEnable);
}
else {
PCONTROL pControl;
pControl = (PCONTROL)hWnd;
fOldStatus = !(pControl->dwStyle & WS_DISABLED);
}
SendNotifyMessage (hWnd, MSG_ENABLE, fEnable, 0);
return fOldStatus;
}
BOOL GUIAPI IsWindowEnabled (HWND hWnd)
{
PMAINWIN pWin = (PMAINWIN)hWnd;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), FALSE);
return !(pWin->dwStyle & WS_DISABLED);
}
void GUIAPI ScreenToClient (HWND hWnd, int* x, int* y)
{
PCONTROL pParent;
PCONTROL pCtrl;
MG_CHECK (MG_IS_NORMAL_WINDOW(hWnd));
pParent = pCtrl = MG_GET_CONTROL_PTR (hWnd);
*x -= pCtrl->cl;
*y -= pCtrl->ct;
while ((pParent = pParent->pParent)) {
*x -= pParent->cl;
*y -= pParent->ct;
}
}
void GUIAPI ClientToScreen (HWND hWnd, int* x, int* y)
{
PCONTROL pParent;
PCONTROL pCtrl;
MG_CHECK (MG_IS_NORMAL_WINDOW(hWnd));
pParent = pCtrl = MG_GET_CONTROL_PTR (hWnd);
*x += pCtrl->cl;
*y += pCtrl->ct;
while ((pParent = pParent->pParent)) {
*x += pParent->cl;
*y += pParent->ct;
}
}
void GUIAPI ScreenToWindow (HWND hWnd, int* x, int* y)
{
PCONTROL pParent;
PCONTROL pCtrl;
MG_CHECK (MG_IS_NORMAL_WINDOW(hWnd));
pParent = pCtrl = MG_GET_CONTROL_PTR (hWnd);
*x -= pCtrl->left;
*y -= pCtrl->top;
while ((pParent = pParent->pParent)) {
*x -= pParent->left;
*y -= pParent->top;
}
}
void GUIAPI WindowToClient (HWND hWnd, int* x, int* y)
{
PCONTROL pCtrl;
MG_CHECK (MG_IS_NORMAL_WINDOW(hWnd));
pCtrl = MG_GET_CONTROL_PTR (hWnd);
*x -= pCtrl->cl - pCtrl->left;
*y -= pCtrl->ct - pCtrl->top;
}
void GUIAPI ClientToWindow (HWND hWnd, int* x, int* y)
{
PCONTROL pCtrl;
MG_CHECK (MG_IS_NORMAL_WINDOW(hWnd));
pCtrl = MG_GET_CONTROL_PTR (hWnd);
*x += pCtrl->cl - pCtrl->left;
*y += pCtrl->ct - pCtrl->top;
}
void GUIAPI WindowToScreen (HWND hWnd, int* x, int* y)
{
PCONTROL pParent;
PCONTROL pCtrl;
MG_CHECK (MG_IS_NORMAL_WINDOW(hWnd));
pParent = pCtrl = MG_GET_CONTROL_PTR (hWnd);
*x += pCtrl->left;
*y += pCtrl->top;
while ((pParent = pParent->pParent)) {
*x += pParent->left;
*y += pParent->top;
}
}
BOOL GUIAPI GetClientRect (HWND hWnd, PRECT prc)
{
PMAINWIN pWin = (PMAINWIN)hWnd;
if (hWnd == HWND_DESKTOP) {
*prc = g_rcScr;
return TRUE;
}
else if (hWnd == HWND_INVALID || pWin->DataType != TYPE_HWND)
return FALSE;
prc->left = prc->top = 0;
prc->right = pWin->cr - pWin->cl;
prc->bottom = pWin->cb - pWin->ct;
return TRUE;
}
/******************** main window and control styles support *****************/
/* Since 5.0.0. */
gal_pixel GUIAPI DWORD2PixelByWindow (HWND hWnd, DWORD dwColor)
{
#ifdef _MGSCHEMA_COMPOSITING
PMAINWIN pWin = (PMAINWIN)hWnd;
if (hWnd == HWND_NULL || hWnd == HWND_DESKTOP || hWnd == HWND_INVALID) {
return DWORD2Pixel (HDC_SCREEN, dwColor);
}
return GAL_MapRGBA (pWin->surf->format,
GetRValue (dwColor), GetGValue (dwColor),
GetBValue (dwColor), GetAValue (dwColor));
#else
return DWORD2Pixel (HDC_SCREEN, dwColor);
#endif
}
gal_pixel GUIAPI GetWindowBkColor (HWND hWnd)
{
PMAINWIN pWin = (PMAINWIN)hWnd;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), PIXEL_invalid);
return pWin->iBkColor;
}
gal_pixel GUIAPI SetWindowBkColor (HWND hWnd, gal_pixel new_bkcolor)
{
gal_pixel old_bkcolor;
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), PIXEL_invalid);
pWin = MG_GET_WINDOW_PTR (hWnd);
old_bkcolor = pWin->iBkColor;
pWin->iBkColor = new_bkcolor;
return old_bkcolor;
}
PLOGFONT GUIAPI GetWindowFont (HWND hWnd)
{
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), NULL);
pWin = MG_GET_WINDOW_PTR (hWnd);
return pWin->pLogFont;
}
PLOGFONT GUIAPI SetWindowFont (HWND hWnd, PLOGFONT pLogFont)
{
PLOGFONT old_logfont;
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), NULL);
pWin = MG_GET_WINDOW_PTR (hWnd);
if (pLogFont == NULL)
pLogFont = GetSystemFont (SYSLOGFONT_WCHAR_DEF);
if (SendMessage (hWnd, MSG_FONTCHANGING, 0, (LPARAM)pLogFont))
return NULL;
old_logfont = pWin->pLogFont;
pWin->pLogFont = pLogFont;
SendNotifyMessage (hWnd, MSG_FONTCHANGED, 0, 0);
return old_logfont;
}
HCURSOR GUIAPI GetWindowCursor (HWND hWnd)
{
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), 0);
pWin = MG_GET_WINDOW_PTR (hWnd);
return pWin->hCursor;
}
HCURSOR GUIAPI SetWindowCursor (HWND hWnd, HCURSOR hNewCursor)
{
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), 0);
pWin = MG_GET_WINDOW_PTR (hWnd);
if (pWin->WinType == TYPE_MAINWIN)
return (HCURSOR)SendMessage (HWND_DESKTOP,
MSG_SETWINCURSOR, (WPARAM)hWnd, (LPARAM)hNewCursor);
else if (pWin->WinType == TYPE_CONTROL) {
HCURSOR old = pWin->hCursor;
pWin->hCursor = hNewCursor;
return old;
}
return 0;
}
DWORD GUIAPI GetWindowStyle (HWND hWnd)
{
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), 0);
pWin = MG_GET_WINDOW_PTR (hWnd);
return pWin->dwStyle;
}
BOOL GUIAPI ExcludeWindowStyle (HWND hWnd, DWORD dwStyle)
{
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR (hWnd);
pWin->dwStyle &= ~dwStyle;
return TRUE;
}
BOOL GUIAPI IncludeWindowStyle (HWND hWnd, DWORD dwStyle)
{
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR (hWnd);
pWin->dwStyle |= dwStyle;
return TRUE;
}
DWORD GUIAPI GetWindowExStyle (HWND hWnd)
{
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), 0);
pWin = MG_GET_WINDOW_PTR (hWnd);
return pWin->dwExStyle;
}
BOOL GUIAPI ExcludeWindowExStyle (HWND hWnd, DWORD dwStyle)
{
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR (hWnd);
pWin->dwExStyle &= ~dwStyle;
return TRUE;
}
BOOL GUIAPI IncludeWindowExStyle (HWND hWnd, DWORD dwStyle)
{
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR (hWnd);
pWin->dwExStyle |= dwStyle;
return TRUE;
}
DWORD GUIAPI GetWindowAdditionalData (HWND hWnd)
{
PMAINWIN pWin;
/* Since 5.0.0, works for virtual window as well */
MG_CHECK_RET (MG_IS_APP_WINDOW(hWnd), 0);
pWin = MG_GET_WINDOW_PTR (hWnd);
return pWin->dwAddData;
}
DWORD GUIAPI SetWindowAdditionalData (HWND hWnd, DWORD newData)
{
DWORD oldOne;
PMAINWIN pWin;
/* Since 5.0.0, works for virtual window as well */
MG_CHECK_RET (MG_IS_APP_WINDOW(hWnd), 0L);
pWin = MG_GET_WINDOW_PTR (hWnd);
oldOne = pWin->dwAddData;
pWin->dwAddData = newData;
return oldOne;
}
DWORD GUIAPI GetWindowAdditionalData2 (HWND hWnd)
{
PMAINWIN pWin;
/* Since 5.0.0, works for virtual window as well */
MG_CHECK_RET (MG_IS_APP_WINDOW(hWnd), (DWORD)-1L);
pWin = MG_GET_WINDOW_PTR (hWnd);
return pWin->dwAddData2;
}
DWORD GUIAPI SetWindowAdditionalData2 (HWND hWnd, DWORD newData)
{
DWORD oldOne;
PMAINWIN pWin;
/* Since 5.0.0, works for virtual window as well */
MG_CHECK_RET (MG_IS_APP_WINDOW(hWnd), (DWORD)-1L);
pWin = MG_GET_WINDOW_PTR (hWnd);
oldOne = pWin->dwAddData2;
pWin->dwAddData2 = newData;
return oldOne;
}
DWORD GUIAPI GetWindowClassAdditionalData (HWND hWnd)
{
PCONTROL pCtrl;
/* Since 5.0.0, works for control */
MG_CHECK_RET (MG_IS_CONTROL_WINDOW(hWnd), (DWORD)-1L);
pCtrl = MG_GET_CONTROL_PTR(hWnd);
return pCtrl->pcci->dwAddData;
}
DWORD GUIAPI SetWindowClassAdditionalData (HWND hWnd, DWORD newData)
{
PCONTROL pCtrl;
DWORD oldOne;
/* Since 5.0.0, works for control */
MG_CHECK_RET (MG_IS_CONTROL_WINDOW(hWnd), (DWORD)-1L);
/* XXX: send a message to desktop for this operation? */
pCtrl = MG_GET_CONTROL_PTR(hWnd);
oldOne = pCtrl->pcci->dwAddData;
pCtrl->pcci->dwAddData = newData;
return oldOne;
}
const char* GUIAPI GetClassName (HWND hWnd)
{
PMAINWIN pWin;
PCONTROL pCtrl;
pWin = (PMAINWIN)hWnd;
if (!MG_IS_APP_WINDOW (hWnd))
return NULL;
else if (hWnd == HWND_DESKTOP)
return ROOTWINCLASSNAME;
else if (pWin->WinType == TYPE_MAINWIN)
return MAINWINCLASSNAME;
else if (pWin->WinType == TYPE_VIRTWIN)
return VIRTWINCLASSNAME;
else if (pWin->WinType == TYPE_CONTROL) {
pCtrl = (PCONTROL)hWnd;
return pCtrl->pcci->name;
}
return NULL;
}
BOOL GUIAPI IsWindowVisible (HWND hWnd)
{
PMAINWIN pMainWin;
PCONTROL pCtrl;
if ((pMainWin = checkAndGetMainWindowPtrOfMainWin (hWnd))) {
return pMainWin->dwStyle & WS_VISIBLE;
}
else if (IsControl (hWnd)) {
pCtrl = (PCONTROL)hWnd;
while (pCtrl) {
if (!(pCtrl->dwStyle & WS_VISIBLE))
return FALSE;
pCtrl = pCtrl->pParent;
}
}
return TRUE;
}
BOOL GUIAPI GetWindowRect (HWND hWnd, PRECT prc)
{
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR (hWnd);
prc->left = pWin->left;
prc->top = pWin->top;
prc->right = pWin->right;
prc->bottom = pWin->bottom;
return TRUE;
}
WNDPROC GUIAPI GetWindowCallbackProc (HWND hWnd)
{
PMAINWIN pWin;
/* Since 5.0.0, works for virtual window as well */
MG_CHECK_RET (MG_IS_APP_WINDOW (hWnd), NULL);
pWin = MG_GET_WINDOW_PTR (hWnd);
return pWin->MainWindowProc;
}
WNDPROC GUIAPI SetWindowCallbackProc (HWND hWnd, WNDPROC newProc)
{
PMAINWIN pWin;
WNDPROC old_proc;
/* Since 5.0.0, works for virtual window as well */
MG_CHECK_RET (MG_IS_APP_WINDOW (hWnd), NULL);
pWin = MG_GET_WINDOW_PTR (hWnd);
old_proc = pWin->MainWindowProc;
if (newProc)
pWin->MainWindowProc = newProc;
return old_proc;
}
const char* GUIAPI GetWindowCaption (HWND hWnd)
{
PMAINWIN pWin;
/* Since 5.0.0, works for virtual window as well */
MG_CHECK_RET (MG_IS_APP_WINDOW(hWnd), NULL);
pWin = MG_GET_WINDOW_PTR (hWnd);
return pWin->spCaption;
}
BOOL GUIAPI SetWindowCaption (HWND hWnd, const char* spCaption)
{
PMAINWIN pWin;
/* Since 5.0.0, works for virtual window as well */
MG_CHECK_RET (MG_IS_APP_WINDOW(hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR (hWnd);
if (pWin->WinType == TYPE_MAINWIN || pWin->WinType == TYPE_VIRTWIN) {
return SetWindowText (hWnd, spCaption);
}
else if (pWin->WinType == TYPE_CONTROL) {
PCONTROL pCtrl;
pCtrl = (PCONTROL)hWnd;
if (pCtrl->spCaption) {
FreeFixStr (pCtrl->spCaption);
pCtrl->spCaption = NULL;
}
if (spCaption) {
pCtrl->spCaption = FixStrAlloc (strlen (spCaption));
if (spCaption [0])
strcpy (pCtrl->spCaption, spCaption);
}
return TRUE;
}
return FALSE;
}
int GUIAPI GetWindowTextLength (HWND hWnd)
{
/* Since 5.0.0, works for virtual window as well */
MG_CHECK_RET (MG_IS_APP_WINDOW (hWnd), -1);
return SendMessage (hWnd, MSG_GETTEXTLENGTH, 0, 0);
}
int GUIAPI GetWindowText (HWND hWnd, char* spString, int nMaxLen)
{
/* Since 5.0.0, works for virtual window as well */
MG_CHECK_RET (MG_IS_APP_WINDOW(hWnd), -1);
return SendMessage (hWnd, MSG_GETTEXT, (WPARAM)nMaxLen, (LPARAM)spString);
}
BOOL GUIAPI SetWindowText (HWND hWnd, const char* spString)
{
/* Since 5.0.0, works for virtual window as well */
MG_CHECK_RET (MG_IS_APP_WINDOW(hWnd), FALSE);
return (SendMessage (hWnd, MSG_SETTEXT, 0, (LPARAM)spString) == 0);
}
/* NOTE: This function is control safe */
BOOL GUIAPI MoveWindow (HWND hWnd, int x, int y, int w, int h, BOOL fPaint)
{
RECT rcWindow;
RECT rcExpect, rcResult;
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR (hWnd);
SetRect (&rcExpect, x, y, x + w, y + h);
GetWindowRect (hWnd, &rcWindow);
SendMessage (hWnd, MSG_SIZECHANGING,
(WPARAM)(&rcExpect), (LPARAM)(&rcResult));
if (EqualRect (&rcWindow, &rcResult)) {
return FALSE;
}
if (IsMainWindow (hWnd) || (pWin->dwExStyle & WS_EX_CTRLASMAINWIN)) {
// Since 5.0.0: check the return value.
if (SendMessage (HWND_DESKTOP, MSG_MOVEMAINWIN,
(WPARAM)hWnd, (LPARAM)(&rcResult)))
return FALSE;
if (RECTH (rcWindow) != RECTH (rcResult)
|| RECTW (rcWindow) != RECTW (rcResult)) {
fPaint = TRUE;
}
}
else {
PCONTROL pParent;
PCONTROL pCtrl;
pCtrl = (PCONTROL)hWnd;
pParent = pCtrl->pParent;
rcExpect = rcResult;
SendMessage (hWnd, MSG_CHANGESIZE,
(WPARAM)(&rcExpect), (LPARAM)(&rcResult));
if (IsWindowVisible (hWnd)
&& (pParent->InvRgn.frozen == 0)) {
#if 1
InvalidateRect((HWND)pParent, &rcWindow, TRUE);
InvalidateRect((HWND)pParent, &rcResult, TRUE);
#elif 0
if (pCtrl->dwExStyle & WS_EX_TRANSPARENT)
InvalidateRect (hWnd, NULL, TRUE);
else {
HDC hdc;
hdc = get_effective_dc ((PMAINWIN)pParent, TRUE);
BitBlt (hdc, pCtrl->left, pCtrl->top,
pCtrl->right - pCtrl->left,
pCtrl->bottom - pCtrl->top,
hdc, rcResult.left, rcResult.top, 0);
release_effective_dc ((PMAINWIN)pParent, hdc);
}
/* set to invisible temporarily. */
/* FIXME: need more optimization. */
pCtrl->dwStyle &= ~WS_VISIBLE;
InvalidateRect ((HWND)pParent, &rcWindow, TRUE);
rcExpect.left = rcResult.left;
rcExpect.top = rcResult.top;
rcExpect.right = rcResult.left + RECTW (rcWindow);
rcExpect.bottom = rcResult.top + RECTH (rcWindow);
InvalidateRect ((HWND)pParent, &rcExpect, TRUE);
pCtrl->dwStyle |= WS_VISIBLE;
#else
if (pCtrl->dwExStyle & WS_EX_TRANSPARENT) {
InvalidateRect ((HWND)pParent, &rcWindow, TRUE);
InvalidateRect (hWnd, NULL, TRUE);
}
else {
if (DoesIntersect ((const RECT*)&rcWindow, (const RECT*)&pCtrl->cl)) {
extern BLOCKHEAP __mg_FreeClipRectList;
CLIPRGN rgn;
PCLIPRECT p = NULL;
InitClipRgn (&rgn, &__mg_FreeClipRectList);
AddClipRect (&rgn, &rcWindow);
SubtractClipRect (&rgn, (const RECT*)&pCtrl->cl);
p = rgn.head;
while(p) {
InvalidateRect((HWND)pParent, &p->rc, TRUE);
p = p->next;
}
EmptyClipRgn (&rgn);
}
else {
InvalidateRect ((HWND)pParent, &rcWindow, TRUE);
}
if (RECTH (rcWindow) != RECTH (rcResult)
|| RECTW (rcWindow) != RECTW (rcResult))
{
fPaint = TRUE;
}
else {
PCONTROL pChild ;
RECT rc;
BOOL flag = TRUE;
for (pChild = pParent->children; pChild; pChild = pChild->next) {
if (pChild == pCtrl || !(pChild->dwStyle & WS_VISIBLE)
|| (pChild->dwExStyle & WS_EX_CTRLASMAINWIN))
continue;
if(IntersectRect(&rc, &rcWindow, (const RECT*)&pChild->cl)) {
flag = FALSE;
break;
}
}
if (!flag) {
InvalidateRect ((HWND)pParent, &rcResult, FALSE);
}
else {
HDC hdc;
hdc = get_effective_dc ((PMAINWIN)pParent, TRUE);
BitBlt (hdc, rcWindow.left, rcWindow.top,
RECTW(rcWindow), RECTH(rcWindow),
hdc, rcResult.left, rcResult.top, 0);
release_effective_dc ((PMAINWIN)pParent, hdc);
for(pChild = pCtrl->next; pChild; pChild = pChild->next) {
if(!(pChild->dwStyle & WS_VISIBLE)
|| (pChild->dwExStyle & WS_EX_CTRLASMAINWIN))
continue;
if(IntersectRect(&rc, &rcResult, (const RECT*)&pChild->cl)) {
OffsetRect(&rc, - pChild->left, - pChild->top);
InvalidateRect((HWND)pChild, &rc, TRUE);
}
}
}
}
}
#endif
}
}
if ((RECTW (rcWindow) != w ) || (RECTH (rcWindow) != h))
SendAsyncMessage (hWnd, MSG_NCPAINT, 0, 0);
if (fPaint) {
InvalidateRect (hWnd, NULL, TRUE);
}
return TRUE;
}
/*************************** Paint support ***********************************/
#define WIRM_PARENT 0x01
#define WIRM_PREV_SIBLING 0x02
#define WIRM_NEXT_SIBLING 0x04
#define WIRM_CHILDREN 0x08
#define WIRM_SIBLING (WIRM_PREV_SIBLING|WIRM_NEXT_SIBLING)
#define WIRM_ALL (WIRM_PARENT | WIRM_CHILDREN | WIRM_SIBLING)
static BOOL _wndInvalidateRect(HWND hWnd, const RECT* prc, BOOL bEraseBkgnd, int mark)
{
PCONTROL pCtrl;
RECT rcClient;
RECT rcInv;
RECT rcTemp;
PINVRGN pInvRgn;
pCtrl = (PCONTROL)hWnd;
//invalidate itself
rcClient.left = rcClient.top = 0;
rcClient.right = pCtrl->cr - pCtrl->cl;
rcClient.bottom = pCtrl->cb - pCtrl->ct;
pInvRgn = &pCtrl->InvRgn;
if(!pInvRgn->frozen)
{
PCONTROL pNext;
#ifdef _MGRM_THREADS
pthread_mutex_lock(&pInvRgn->lock);
#endif
if (bEraseBkgnd) {
pCtrl->Flags |= WF_ERASEBKGND;
}
if(prc) {
rcInv = *prc;
NormalizeRect(&rcInv);
if(IntersectRect(&rcInv, &rcInv, &rcClient))
AddClipRect(&pInvRgn->rgn, &rcInv);
}
else {
rcInv = rcClient;
SetClipRgn(&pInvRgn->rgn, &rcInv);
}
rcTemp = rcInv;
OffsetRect(&rcTemp, pCtrl->cl, pCtrl->ct);
//subtract from next sibling controls
if (pCtrl->WinType == TYPE_CONTROL /*&& (mark & WIRM_NEXT_SIBLING)*/) {
for(pNext = pCtrl->next; pNext; pNext = pNext->next)
{
RECT rc;
if((pNext->dwStyle & WS_VISIBLE)
&& !(pNext->dwExStyle & WS_EX_TRANSPARENT)
&& IntersectRect(&rc, &rcTemp, (const RECT*)&pNext->left))
{
OffsetRect(&rc, - pCtrl->cl, - pCtrl->ct );
SubtractClipRect(&pInvRgn->rgn, &rc);
}
}
}
#ifdef _MGRM_THREADS
pthread_mutex_unlock(&pInvRgn->lock);
#endif
}
else {
return FALSE;
}
//invalidate parent
if( (mark & WIRM_PARENT)
&& (pCtrl->dwExStyle & WS_EX_TRANSPARENT)
&& pCtrl->WinType != TYPE_MAINWIN
&& !(pCtrl->dwExStyle & WS_EX_CTRLASMAINWIN))
{
/* houhh 20100426, invalide rect for parent must be valid. */
if (rcTemp.top < rcTemp.bottom && rcTemp.left < rcTemp.right) {
_wndInvalidateRect((HWND)pCtrl->pParent, &rcTemp, bEraseBkgnd, WIRM_PARENT|WIRM_SIBLING);
}
}
//invalidate sibling
if(pCtrl->WinType==TYPE_CONTROL
&& (pCtrl->dwExStyle & WS_EX_TRANSPARENT)
&& !(pCtrl->dwExStyle & WS_EX_CTRLASMAINWIN)
&& (mark & WIRM_PREV_SIBLING))
{
PCONTROL pPrev;
for(pPrev = pCtrl->prev; pPrev; pPrev = pPrev->prev)
{
RECT rc;
if(!(pPrev->dwStyle & WS_VISIBLE))
continue;
if(IntersectRect(&rc, &rcTemp, (const RECT*)&pPrev->cl))
{
OffsetRect(&rc, - pPrev->cl, - pPrev->ct);
_wndInvalidateRect((HWND)pPrev, &rc, bEraseBkgnd, WIRM_CHILDREN);
}
}
}
if(pCtrl->WinType==TYPE_CONTROL
&& !(pCtrl->dwExStyle & WS_EX_CTRLASMAINWIN)
&& (mark & WIRM_NEXT_SIBLING))
{
PCONTROL pNext;
for(pNext = pCtrl->next; pNext; pNext = pNext->next)
{
RECT rc;
if(!(pNext->dwStyle & WS_VISIBLE)
|| !(pNext->dwExStyle & WS_EX_TRANSPARENT))
continue;
if(IntersectRect(&rc, &rcTemp, (const RECT*)&pNext->cl))
{
OffsetRect(&rc, - pNext->cl, - pNext->ct);
_wndInvalidateRect((HWND)pNext, &rc, bEraseBkgnd, WIRM_CHILDREN);
}
}
}
//check mark for invalidate children
if(mark & WIRM_CHILDREN)
{
PCONTROL pChild ;
RECT rc;
for(pChild = pCtrl->children; pChild; pChild = pChild->next)
{
if(!(pChild->dwStyle & WS_VISIBLE)
|| (pChild->dwExStyle & WS_EX_CTRLASMAINWIN))
continue;
if(IntersectRect(&rc, &rcInv, (const RECT*)&pChild->cl))
{
OffsetRect(&rc, - pChild->cl, - pChild->ct);
_wndInvalidateRect((HWND)pChild, &rc, bEraseBkgnd, WIRM_CHILDREN);
}
if(IntersectRect(&rc, &rcInv, (const RECT*)&pChild->left))
{
OffsetRect(&rc, - pChild->left, - pChild->top);
SendAsyncMessage((HWND)pChild, MSG_NCPAINT, 0, (LPARAM)&rc);
}
}
}
return TRUE;
}
BOOL GUIAPI InvalidateRect (HWND hWnd, const RECT* prc, BOOL bEraseBkgnd)
{
BOOL retval;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), FALSE);
retval = _wndInvalidateRect(hWnd, prc, bEraseBkgnd, WIRM_ALL);
PostMessage (hWnd, MSG_PAINT, 0, (LPARAM)prc);
return retval;
}
/* TODO: Optimize */
BOOL GUIAPI InvalidateRegion (HWND hWnd, const CLIPRGN* pRgn, BOOL bErase)
{
const CLIPRECT* crc;
MG_CHECK_RET (pRgn != NULL, FALSE);
MG_CHECK_RET (MG_IS_NORMAL_WINDOW (hWnd), FALSE);
crc = pRgn->head;
while (crc) {
if (!InvalidateRect (hWnd, &crc->rc, bErase))
return FALSE;
crc = crc->next;
}
return TRUE;
}
BOOL GUIAPI ValidateRect (HWND hWnd, const RECT* rect)
{
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR (hWnd);
if (rect) {
return SubtractClipRect (&pWin->InvRgn.rgn, rect);
}
else {
EmptyClipRgn (&pWin->InvRgn.rgn);
}
return TRUE;
}
BOOL GUIAPI ValidateRegion (HWND hWnd, const CLIPRGN* pRgn)
{
PMAINWIN pWin;
MG_CHECK_RET (pRgn != NULL, FALSE);
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR (hWnd);
if (pRgn) {
return SubtractRegion (&pWin->InvRgn.rgn, &pWin->InvRgn.rgn, pRgn);
}
else {
EmptyClipRgn (&pWin->InvRgn.rgn);
}
return TRUE;
}
BOOL GUIAPI GetUpdateRect (HWND hWnd, RECT* update_rect)
{
PMAINWIN pWin;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), FALSE);
pWin = MG_GET_WINDOW_PTR (hWnd);
*update_rect = pWin->InvRgn.rgn.rcBound;
return TRUE;
}
int GUIAPI GetUpdateRegion (HWND hWnd, PCLIPRGN pRgn)
{
PMAINWIN pWin;
MG_CHECK_RET (pRgn != NULL, -1);
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), -1);
pWin = MG_GET_WINDOW_PTR (hWnd);
CopyRegion (pRgn, &pWin->InvRgn.rgn);
return pRgn->type;
}
HDC GUIAPI BeginPaint (HWND hWnd)
{
PMAINWIN pWin;
PINVRGN pInvRgn;
HDC hdc;
RECT rcInv;
PCONTROL child;
BOOL fEraseBk;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), HDC_INVALID);
pWin = MG_GET_WINDOW_PTR (hWnd);
if (pWin->pCaretInfo && pWin->pCaretInfo->fBlink) {
HideCaretEx (hWnd, FALSE);
pWin->pCaretInfo->fBlink = TRUE;
}
hdc = get_effective_dc (pWin, TRUE);
#if 0
/* FIXME: why do this? */
if (((PMAINWIN)hWnd)->dwExStyle & WS_EX_TRANSPARENT)
SetBkMode (hdc, BM_TRANSPARENT);
#endif
pInvRgn = &pWin->InvRgn;
#ifdef _MGRM_THREADS
pthread_mutex_lock (&pInvRgn->lock);
#endif
pInvRgn->frozen ++;
fEraseBk = pWin->Flags & WF_ERASEBKGND;
pWin->Flags = (pWin->Flags & ~WF_ERASEBKGND);
SelectClipRegion (hdc, &pInvRgn->rgn);
if (pWin->pMainWin->secondaryDC) {
CopyRect (&pWin->pMainWin->update_rc, &(dc_HDC2PDC(hdc))->ecrgn.rcBound);
coor_SP2DP((PDC)hdc, &pWin->pMainWin->update_rc.left,
&pWin->pMainWin->update_rc.top);
coor_SP2DP((PDC)hdc, &pWin->pMainWin->update_rc.right,
&pWin->pMainWin->update_rc.bottom);
}
else {
CopyRect (&pWin->pMainWin->update_rc, &pInvRgn->rgn.rcBound);
}
rcInv = pInvRgn->rgn.rcBound;
EmptyClipRgn (&pInvRgn->rgn);
pInvRgn->frozen --;
#ifdef _MGRM_THREADS
pthread_mutex_unlock (&pInvRgn->lock);
#endif
if(!(pWin->dwStyle & WS_VISIBLE))
return hdc;
/* exclude the children area from the client */
/* if (pWin->dwExStyle & WS_EX_CLIPCHILDREN)*/ {
child = (PCONTROL)pWin->hFirstChild;
while (child) {
if ((child->dwStyle & WS_VISIBLE) && !(child->dwExStyle & WS_EX_TRANSPARENT)
&& DoesIntersect ((const RECT*)&child->left, &rcInv)) {
ExcludeClipRect (hdc, (const RECT*)&child->left);
}
child = child->next;
}
}
//erase bkgnd
if(fEraseBk
&& !(pWin->WinType == TYPE_CONTROL
&& !(pWin->dwExStyle & WS_EX_CTRLASMAINWIN)
&& (pWin->dwExStyle & WS_EX_TRANSPARENT)
)
)
SendAsyncMessage(hWnd, MSG_ERASEBKGND, (WPARAM)hdc,0); //(LPARAM)&rcInv);
//repaint NC area of tranparent children
for(child = (PCONTROL)pWin->hFirstChild; child; child = child->next)
{
RECT rcTemp;
if(!(pWin->dwExStyle & WS_EX_TRANSPARENT)
&& (!(child->dwStyle & WS_VISIBLE)
|| !(child->dwExStyle & WS_EX_TRANSPARENT)
|| ( child->dwExStyle & WS_EX_CTRLASMAINWIN)))
continue;
if(IntersectRect(&rcTemp, &rcInv, (const RECT*)&child->left))
{
//draw NC
OffsetRect(&rcTemp, -child->left, -child->top);
SendAsyncMessage((HWND)child, MSG_NCPAINT, (WPARAM)0, (LPARAM)&rcTemp);
}
}
return hdc;
}
void GUIAPI EndPaint (HWND hWnd, HDC hdc)
{
PMAINWIN pWin;
MG_CHECK (MG_IS_NORMAL_WINDOW(hWnd));
pWin = MG_GET_WINDOW_PTR (hWnd);
if (pWin->pMainWin->secondaryDC) {
if (!IsRectEmpty(&pWin->pMainWin->update_rc)) {
HDC real_dc = HDC_INVALID;
real_dc = GetClientDC ((HWND)pWin->pMainWin);
__mg_update_secondary_dc (pWin, hdc, real_dc,
&pWin->pMainWin->update_rc, HT_CLIENT);
ReleaseDC (real_dc);
}
}
release_effective_dc (pWin, hdc);
/* privCDC is not need Release, but need clear lcrgn.*/
if (pWin->dwExStyle & WS_EX_USEPRIVATECDC)
SelectClipRect (pWin->privCDC, NULL);
/* show caret */
#if 0
if (pWin->pCaretInfo) {
GetCaretBitmaps (pWin->pCaretInfo);
if (pWin->pCaretInfo->fBlink) {
HDC caret_dc = GetClientDC (hWnd);
pWin->pCaretInfo->fShow = TRUE;
pWin->pCaretInfo->caret_bmp.bmBits = pWin->pCaretInfo->pXored;
FillBoxWithBitmap (caret_dc,
pWin->pCaretInfo->x, pWin->pCaretInfo->y, 0, 0,
&pWin->pCaretInfo->caret_bmp);
ReleaseDC (caret_dc);
}
}
#else
if (pWin->pCaretInfo && pWin->pCaretInfo->fBlink) {
pWin->pCaretInfo->fBlink = FALSE;
ShowCaretEx (hWnd, FALSE);
}
#endif
}
BOOL RegisterWindowClass (PWNDCLASS pWndClass)
{
if (pWndClass == NULL)
return FALSE;
return SendMessage (HWND_DESKTOP,
MSG_REGISTERWNDCLASS, 0, (LPARAM)pWndClass) == ERR_OK;
}
BOOL UnregisterWindowClass (const char* szClassName)
{
if (szClassName == NULL)
return FALSE;
return SendMessage (HWND_DESKTOP,
MSG_UNREGISTERWNDCLASS, 0, (LPARAM)szClassName) == ERR_OK;
}
BOOL GUIAPI GetWindowClassInfo (PWNDCLASS pWndClass)
{
if (pWndClass == NULL || pWndClass->spClassName == NULL)
return FALSE;
return SendMessage (HWND_DESKTOP,
MSG_CTRLCLASSDATAOP, CCDOP_GETCCI, (LPARAM)pWndClass) == ERR_OK;
}
BOOL GUIAPI SetWindowClassInfo (const WNDCLASS* pWndClass)
{
if (pWndClass == NULL || pWndClass->spClassName == NULL)
return FALSE;
return SendMessage (HWND_DESKTOP,
MSG_CTRLCLASSDATAOP, CCDOP_SETCCI, (LPARAM)pWndClass) == ERR_OK;
}
static void set_control_renderer (PCONTROL pCtrl, const char* werdr_name)
{
const WINDOW_ELEMENT_RENDERER* renderer =
GetWindowRendererFromName (werdr_name);
if (renderer)
pCtrl->we_rdr = (WINDOW_ELEMENT_RENDERER*)renderer;
else
pCtrl->we_rdr = __mg_def_renderer;
if (pCtrl->we_rdr)
++pCtrl->we_rdr->refcount;
}
HWND GUIAPI CreateWindowEx2 (const char* spClassName,
const char* spCaption, DWORD dwStyle, DWORD dwExStyle,
LINT id, int x, int y, int w, int h, HWND hParentWnd,
const char* werdr_name, const WINDOW_ELEMENT_ATTR* we_attrs,
DWORD dwAddData)
{
PMAINWIN pMainWin;
PCTRLCLASSINFO cci;
PCONTROL pNewCtrl;
RECT rcExpect;
if (!(pMainWin = checkAndGetMainWindowPtrOfControl (hParentWnd)))
return HWND_INVALID;
#if 0
/* Since 5.0.0 */
if (dwExStyle & WS_EX_CTRLASMAINWIN &&
(pMainWin->dwExStyle & WS_EX_WINTYPE_MASK)) {
_WRN_PRINTF("Cannot create global controls in a special main window\n");
return HWND_INVALID;
}
#endif
cci = (PCTRLCLASSINFO)SendMessage (HWND_DESKTOP,
MSG_GETCTRLCLASSINFO, 0, (LPARAM)spClassName);
if (!cci) return HWND_INVALID;
pNewCtrl = calloc (1, sizeof (CONTROL));
if (!pNewCtrl) return HWND_INVALID;
pNewCtrl->DataType = TYPE_HWND;
pNewCtrl->WinType = TYPE_CONTROL;
pNewCtrl->left = x;
pNewCtrl->top = y;
pNewCtrl->right = x + w;
pNewCtrl->bottom = y + h;
memcpy (&pNewCtrl->cl, &pNewCtrl->left, sizeof (RECT));
memcpy (&rcExpect, &pNewCtrl->left, sizeof (RECT));
if (spCaption) {
int len = strlen (spCaption);
pNewCtrl->spCaption = FixStrAlloc (len);
if (len > 0)
strcpy (pNewCtrl->spCaption, spCaption);
}
else
pNewCtrl->spCaption = "";
/* Since 5.0.0: clear style bits for main window only */
dwStyle &= ~WS_MAINWIN_ONLY_MASK;
pNewCtrl->dwStyle = dwStyle | WS_CHILD | cci->dwStyle;
pNewCtrl->dwExStyle = dwExStyle | cci->dwExStyle;
pNewCtrl->hCursor = cci->hCursor;
pNewCtrl->hMenu = 0;
pNewCtrl->hAccel = 0;
pNewCtrl->hIcon = 0;
pNewCtrl->hSysMenu = 0;
pNewCtrl->id = id;
pNewCtrl->pCaretInfo = NULL;
pNewCtrl->dwAddData = dwAddData;
pNewCtrl->dwAddData2 = 0;
pNewCtrl->ControlProc = cci->ControlProc;
/* Scroll bar */
if (pNewCtrl->dwStyle & WS_VSCROLL) {
pNewCtrl->vscroll.minPos = 0;
pNewCtrl->vscroll.maxPos = 100;
pNewCtrl->vscroll.curPos = 0;
pNewCtrl->vscroll.pageStep = 101;
pNewCtrl->vscroll.barStart = 0;
pNewCtrl->vscroll.barLen = 10;
pNewCtrl->vscroll.status = SBS_NORMAL;
}
else
pNewCtrl->vscroll.status = SBS_HIDE | SBS_DISABLED;
if (pNewCtrl->dwStyle & WS_HSCROLL) {
pNewCtrl->hscroll.minPos = 0;
pNewCtrl->hscroll.maxPos = 100;
pNewCtrl->hscroll.curPos = 0;
pNewCtrl->hscroll.pageStep = 101;
pNewCtrl->hscroll.barStart = 0;
pNewCtrl->hscroll.barLen = 10;
pNewCtrl->hscroll.status = SBS_NORMAL;
}
else
pNewCtrl->hscroll.status = SBS_HIDE | SBS_DISABLED;
/** prefer to use parent renderer */
if (pNewCtrl->dwExStyle & WS_EX_USEPARENTRDR) {
if (((PCONTROL)hParentWnd)->we_rdr) {
/** only get render from parent */
pNewCtrl->we_rdr = ((PCONTROL)hParentWnd)->we_rdr;
++pNewCtrl->we_rdr->refcount;
}
else
return HWND_INVALID;
}
else {
/** set window renderer */
set_control_renderer (pNewCtrl, werdr_name);
}
/** set window element data */
while (we_attrs && we_attrs->we_attr_id != -1) {
//__mg_append_window_element_data (pNewCtrl,
// we_attrs->we_attr_id, we_attrs->we_attr);
DWORD _old;
__mg_set_window_element_data ((HWND)pNewCtrl,
we_attrs->we_attr_id, we_attrs->we_attr, &_old);
++we_attrs;
}
/** prefer to parent font */
if (pNewCtrl->dwExStyle & WS_EX_USEPARENTFONT)
pNewCtrl->pLogFont = ((PCONTROL)hParentWnd)->pLogFont;
else
pNewCtrl->pLogFont = GetSystemFont (SYSLOGFONT_CONTROL);
/* reserve by humingming 2010.7.6 */
/*if (spCaption) {
int len = __mg_strlen (pNewCtrl->pLogFont, spCaption)+2;
pNewCtrl->spCaption = FixStrAlloc (len);
if (len > 0)
//strcpy (pNewCtrl->spCaption, spCaption);
memcpy (pNewCtrl->spCaption, spCaption, len);
}
else
pNewCtrl->spCaption = "";*/
pNewCtrl->children = NULL;
pNewCtrl->active = NULL;
pNewCtrl->old_under_pointer = NULL;
pNewCtrl->primitive = NULL;
pNewCtrl->notif_proc = NULL;
pNewCtrl->pMainWin = (PMAINWIN)pMainWin;
pNewCtrl->pParent = (PCONTROL)hParentWnd;
pNewCtrl->next = NULL;
pNewCtrl->pcci = cci;
if (dwExStyle & WS_EX_CTRLASMAINWIN) {
#ifdef _MGSCHEMA_COMPOSITING
pNewCtrl->surf = GAL_CreateSurfaceForZNodeAs (pMainWin->surf,
pNewCtrl->right - pNewCtrl->left,
pNewCtrl->bottom - pNewCtrl->top);
#else
if (!(pNewCtrl->pGCRInfo = malloc (sizeof (GCRINFO)))) {
goto error;
}
#endif
}
else {
#ifdef _MGSCHEMA_COMPOSITING
pNewCtrl->surf = pMainWin->surf;
#else
pNewCtrl->pGCRInfo = pMainWin->pGCRInfo;
#endif
pNewCtrl->idx_znode = pMainWin->idx_znode;
}
#ifdef _MGSCHEMA_COMPOSITING
pNewCtrl->iBkColor = GAL_MapRGBA (pNewCtrl->surf->format,
GetRValue (cci->dwBkColor), GetGValue (cci->dwBkColor),
GetBValue (cci->dwBkColor), GetAValue (cci->dwBkColor));
#else
pNewCtrl->iBkColor = cci->iBkColor;
#endif
if (SendMessage (HWND_DESKTOP,
MSG_NEWCTRLINSTANCE,
(WPARAM)hParentWnd, (LPARAM)pNewCtrl) < 0)
goto error;
if (cci->dwStyle & CS_OWNDC)
pNewCtrl->dwExStyle |= WS_EX_USEPRIVATECDC;
if (pNewCtrl->dwExStyle & WS_EX_USEPRIVATECDC) {
if (pMainWin->dwExStyle & WS_EX_AUTOSECONDARYDC)
pNewCtrl->privCDC = GetSecondarySubDC (pMainWin->secondaryDC,
(HWND)pNewCtrl, TRUE);
else
pNewCtrl->privCDC = CreatePrivateClientDC ((HWND)pNewCtrl);
}
else
pNewCtrl->privCDC = 0;
if (SendMessage ((HWND)pNewCtrl, MSG_NCCREATE, 0, (LPARAM)dwAddData)) {
goto error;
}
if (SendMessage ((HWND)pNewCtrl, MSG_CREATE,
(WPARAM)hParentWnd, (LPARAM)dwAddData)) {
SendMessage (HWND_DESKTOP,
MSG_REMOVECTRLINSTANCE, (WPARAM)hParentWnd, (LPARAM)pNewCtrl);
goto error;
}
// set ctrl acts as main window
if (pNewCtrl->dwExStyle & WS_EX_CTRLASMAINWIN) {
pNewCtrl->next_ctrl_as_main =
(PCONTROL)pNewCtrl->pMainWin->hFirstChildAsMainWin;
pMainWin->hFirstChildAsMainWin = (HWND) pNewCtrl;
}
SendMessage ((HWND)pNewCtrl, MSG_SIZECHANGING,
(WPARAM)&rcExpect, (LPARAM)&pNewCtrl->left);
SendMessage ((HWND)pNewCtrl, MSG_CHANGESIZE,
(WPARAM)(&pNewCtrl->left), 0);
/* houhh 20080820, not need to call UpdateWindow() here. */
if (pNewCtrl->pParent->dwStyle & WS_VISIBLE
&& pNewCtrl->dwStyle & WS_VISIBLE) {
#if 1
InvalidateRect ((HWND)pNewCtrl, NULL, TRUE);
SendAsyncMessage ((HWND)pNewCtrl, MSG_NCPAINT, 0, 0);
#else
UpdateWindow ((HWND)pNewCtrl, TRUE);
#endif
}
#ifdef _MGSCHEMA_COMPOSITING
// Close file descriptor to free kernel memory?
if (dwExStyle & WS_EX_CTRLASMAINWIN && pNewCtrl->surf->shared_header) {
close (pNewCtrl->surf->shared_header->fd);
pNewCtrl->surf->shared_header->fd = -1;
}
#endif
return (HWND)pNewCtrl;
error:
if (dwExStyle & WS_EX_CTRLASMAINWIN) {
#ifdef _MGSCHEMA_COMPOSITING
if (pNewCtrl->surf)
GAL_FreeSurface (pNewCtrl->surf);
#else
if (pNewCtrl->pGCRInfo)
free (pNewCtrl->pGCRInfo);
#endif
}
/* Since 5.0.0: we must throw away the messages for this window, because
there are some messages, have been put into the message queue.
Or DispatchMessage will panic. */
__mg_throw_away_messages (pMainWin->pMsgQueue, (HWND)pNewCtrl);
free (pNewCtrl);
return HWND_INVALID;
}
BOOL GUIAPI DestroyWindow (HWND hWnd)
{
//
PCONTROL pCtrl;
PCONTROL pParent;
if (!IsControl (hWnd)) return FALSE;
if (SendMessage (hWnd, MSG_DESTROY, 0, 0)) {
return FALSE;
}
/* destroy all controls of this window */
DestroyAllControls (hWnd);
/* kill all timers of this window */
KillTimer (hWnd, 0);
pCtrl = (PCONTROL)hWnd;
pParent = pCtrl->pParent;
if (pParent->active == (PCONTROL) hWnd)
pParent->active = NULL;
if (pParent->old_under_pointer == (PCONTROL) hWnd)
pParent->old_under_pointer = NULL;
if (pParent->primitive == (PCONTROL) hWnd)
pParent->primitive = NULL;
if (SendMessage (HWND_DESKTOP,
MSG_REMOVECTRLINSTANCE, (WPARAM)pParent, (LPARAM)pCtrl))
{
return FALSE;
}
__mg_reset_mainwin_capture_info (pCtrl);
pCtrl->dwStyle &= ~WS_VISIBLE;
if (IsWindowVisible ((HWND) pParent))
InvalidateRect ((HWND) pParent, (PRECT)(&pCtrl->left), TRUE);
if (pCtrl->privCDC) {
if (pCtrl->pMainWin->dwExStyle & WS_EX_AUTOSECONDARYDC) {
ReleaseSecondarySubDC (pCtrl->privCDC);
}
else {
if (pCtrl->pMainWin->secondaryDC)
ReleaseSecondarySubDC (pCtrl->privCDC);
else
DeletePrivateDC (pCtrl->privCDC);
}
pCtrl->privCDC = 0;
}
if (sg_repeat_msg.hwnd == hWnd)
sg_repeat_msg.hwnd = 0;
ThrowAwayMessages (hWnd);
if (pCtrl->dwExStyle & WS_EX_CTRLASMAINWIN) {
PMAINWIN pMainWin;
#ifndef _MGSCHEMA_COMPOSITING
EmptyClipRgn (&pCtrl->pGCRInfo->crgn);
#endif
#ifdef _MGRM_THREADS
pthread_mutex_destroy (&pCtrl->pGCRInfo->lock);
#endif
#ifdef _MGSCHEMA_COMPOSITING
GAL_FreeSurface (pCtrl->surf);
#else
free (pCtrl->pGCRInfo);
#endif
pMainWin = pCtrl->pMainWin;
if ((PCONTROL) pMainWin->hFirstChildAsMainWin == pCtrl)
pMainWin->hFirstChildAsMainWin = (HWND)pCtrl->next_ctrl_as_main;
else {
PCONTROL tmp = (PCONTROL) pMainWin->hFirstChildAsMainWin;
BOOL found = FALSE;
while(tmp) {
if (tmp->next_ctrl_as_main == pCtrl) {
found = TRUE;
break;
}
tmp = tmp->next_ctrl_as_main;
}
if (found)
tmp->next_ctrl_as_main = pCtrl->next_ctrl_as_main;
}
}
EmptyClipRgn (&pCtrl->InvRgn.rgn);
#ifdef _MGRM_THREADS
pthread_mutex_destroy (&pCtrl->InvRgn.lock);
#endif
if (pCtrl->spCaption)
FreeFixStr (pCtrl->spCaption);
__mg_free_window_element_data (hWnd);
--pCtrl->we_rdr->refcount;
free (pCtrl);
return TRUE;
}
NOTIFPROC GUIAPI SetNotificationCallback (HWND hwnd, NOTIFPROC notif_proc)
{
NOTIFPROC old_proc;
PCONTROL control = (PCONTROL)hwnd;
MG_CHECK_RET (MG_IS_APP_WINDOW(hwnd), NULL);
old_proc = control->notif_proc;
control->notif_proc = notif_proc;
return old_proc;
}
NOTIFPROC GUIAPI GetNotificationCallback (HWND hwnd)
{
PCONTROL control = (PCONTROL)hwnd;
MG_CHECK_RET (MG_IS_APP_WINDOW(hwnd), NULL);
return control->notif_proc;
}
/****************************** Hook support ********************************/
MSGHOOK GUIAPI RegisterEventHookFunc (int event_type,
MSGHOOK hook, void* context)
{
HOOKINFO hook_info = { hook, context };
return (MSGHOOK)SendMessage (HWND_DESKTOP,
MSG_REGISTERHOOKFUNC, (WPARAM)event_type, (LPARAM)&hook_info);
}
/* Since 5.0.0, works for virtual window as well */
BOOL GUIAPI RegisterEventHookWindow (HWND hwnd, DWORD flags)
{
MG_CHECK_RET (MG_IS_APP_WINDOW (hwnd), FALSE);
return (SendMessage (HWND_DESKTOP,
MSG_REGISTERHOOKWIN, (WPARAM)hwnd, (LPARAM)flags) == 0);
}
/* Since 5.0.0, works for virtual window as well */
BOOL GUIAPI UnregisterEventHookWindow (HWND hwnd)
{
MG_CHECK_RET (MG_IS_APP_WINDOW (hwnd), FALSE);
return (SendMessage (HWND_DESKTOP,
MSG_UNREGISTERHOOKWIN, (WPARAM)hwnd, 0) == 0);
}
/*
* REQID_REGKEYHOOK 0x0016
*/
HWND GUIAPI RegisterKeyHookWindow (HWND hwnd, DWORD flag)
{
static HWND hooked_wnd = NULL;
HWND old_hook = HWND_NULL;
MG_CHECK_RET (MG_IS_APP_WINDOW (hwnd), HWND_NULL);
old_hook = hooked_wnd;
if (hwnd == HWND_NULL) {
if (UnregisterEventHookWindow (hwnd)) {
hooked_wnd = HWND_NULL;
}
}
else {
if (RegisterEventHookWindow (hwnd, flag | HOOK_EVENT_KEY)) {
hooked_wnd = hwnd;
}
}
return old_hook;
}
HWND GUIAPI RegisterMouseHookWindow (HWND hwnd, DWORD flag)
{
static HWND hooked_wnd = NULL;
HWND old_hook = HWND_NULL;
MG_CHECK_RET (MG_IS_APP_WINDOW (hwnd), HWND_NULL);
old_hook = hooked_wnd;
if (hwnd == HWND_NULL) {
if (UnregisterEventHookWindow (hwnd)) {
hooked_wnd = HWND_NULL;
}
}
else {
if (RegisterEventHookWindow (hwnd, flag | HOOK_EVENT_MOUSE)) {
hooked_wnd = hwnd;
}
}
return old_hook;
}
#ifndef _MGRM_THREADS
/* Since 5.0.0, use RegisterEventHookFunc to implement SetServerEventHook */
static int my_event_hook (void* context, HWND dst_wnd,
UINT message, WPARAM wparam, LPARAM lparam)
{
MSG msg = { dst_wnd, message, wparam, lparam };
SRVEVTHOOK srv_evt_hook = (SRVEVTHOOK)context;
assert (srv_evt_hook);
return srv_evt_hook (&msg);
}
SRVEVTHOOK GUIAPI SetServerEventHook (SRVEVTHOOK SrvEvtHook)
{
static SRVEVTHOOK srv_evt_hook = NULL;
SRVEVTHOOK old_hook;
#ifdef _MGRM_PROCESSES
if (!mgIsServer)
return NULL;
#endif
old_hook = srv_evt_hook;
if (SrvEvtHook) {
RegisterEventHookFunc (HOOK_EVENT_KEY, my_event_hook, SrvEvtHook);
RegisterEventHookFunc (HOOK_EVENT_MOUSE, my_event_hook, SrvEvtHook);
RegisterEventHookFunc (HOOK_EVENT_EXTRA, my_event_hook, SrvEvtHook);
srv_evt_hook = SrvEvtHook;
}
else {
RegisterEventHookFunc (HOOK_EVENT_KEY, NULL, NULL);
RegisterEventHookFunc (HOOK_EVENT_MOUSE, NULL, NULL);
RegisterEventHookFunc (HOOK_EVENT_EXTRA, NULL, NULL);
srv_evt_hook = NULL;
}
return old_hook;
}
#endif /* not defined _MGRM_THREADS */
/**************************** IME support ************************************/
int GUIAPI RegisterIMEWindow (HWND hWnd)
{
#ifdef _MGRM_PROCESSES
if (mgIsServer) {
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), -1);
return SendMessage (HWND_DESKTOP, MSG_IME_REGISTER, (WPARAM)hWnd, 0);
}else
return ERR_INV_HWND;
#else
return SendMessage (HWND_DESKTOP, MSG_IME_REGISTER, (WPARAM)hWnd, 0);
#endif
}
int GUIAPI UnregisterIMEWindow (HWND hWnd)
{
#ifdef _MGRM_PROCESSES
if (mgIsServer) {
return SendMessage (HWND_DESKTOP, MSG_IME_UNREGISTER, (WPARAM)hWnd, 0);
}else
return ERR_IME_NOSUCHIMEWND;
#else
return SendMessage (HWND_DESKTOP, MSG_IME_UNREGISTER, (WPARAM)hWnd, 0);
#endif
}
int GUIAPI GetIMEStatus (int StatusCode)
{
#ifdef _MGRM_PROCESSES
if (!mgIsServer) {
REQUEST req;
int ret;
req.id = REQID_GETIMESTAT;
req.data = &StatusCode;
req.len_data = sizeof(int);
ClientRequest (&req, &ret, sizeof(int));
return ret;
} else
return SendMessage (HWND_DESKTOP,
MSG_IME_GETSTATUS, (WPARAM)StatusCode, 0);
#else
return SendMessage (HWND_DESKTOP,
MSG_IME_GETSTATUS, (WPARAM)StatusCode, 0);
#endif
}
int GUIAPI SetIMEStatus (int StatusCode, int Value)
{
#ifdef _MGRM_PROCESSES
if (!mgIsServer) {
REQUEST req;
unsigned int que_data;
int ret;
que_data = (StatusCode<<16)|Value;
req.id = REQID_SETIMESTAT;
req.data = &que_data;
req.len_data = sizeof(int);
ClientRequest (&req, &ret, sizeof(int));
return ret;
} else
return SendMessage (HWND_DESKTOP,
MSG_IME_SETSTATUS, (WPARAM)StatusCode, Value);
#else
return SendMessage (HWND_DESKTOP,
MSG_IME_SETSTATUS, (WPARAM)StatusCode, Value);
#endif
}
int GUIAPI SetIMETargetInfo (const IME_TARGET_INFO *info)
{
int ret = 0;
#ifdef _MGRM_PROCESSES
if (!mgIsServer) {
REQUEST req;
req.id = REQID_SETIMEPOS;
req.data = info;
req.len_data = sizeof(IME_TARGET_INFO);
ClientRequest (&req, &ret, sizeof(int));
return ret;
} else
return SendMessage (HWND_DESKTOP,
MSG_IME_SET_TARGET_INFO, 0, (LPARAM)info);
#else
ret = SendMessage (HWND_DESKTOP,
MSG_IME_SET_TARGET_INFO, 0, (LPARAM)info);
return ret;
#endif
}
int GUIAPI GetIMEPos (POINT *pt)
{
IME_TARGET_INFO info;
int ret = GetIMETargetInfo (&info);
*pt = info.ptCaret;
return ret;
}
int GUIAPI SetIMEPos (const POINT* pt)
{
IME_TARGET_INFO info;
memset (&info, 0, sizeof(IME_TARGET_INFO));
info.ptCaret = *pt;
return SetIMETargetInfo (&info);
}
int GUIAPI GetIMETargetInfo (IME_TARGET_INFO *info)
{
#ifdef _MGRM_PROCESSES
if (!mgIsServer) {
REQUEST req;
req.id = REQID_GETIMEPOS;
req.data = 0;
req.len_data = 0;
return ClientRequest (&req, info, sizeof (IME_TARGET_INFO));
}
else {
return SendMessage (HWND_DESKTOP,
MSG_IME_GET_TARGET_INFO, 0, (LPARAM)info);
}
#else
return SendMessage (HWND_DESKTOP,
MSG_IME_GET_TARGET_INFO, 0, (LPARAM)info);
#endif
}
HICON GetWindowIcon (HWND hWnd)
{
PMAINWIN pWin;
if (!(pWin = checkAndGetMainWindowPtrOfMainWin (hWnd)))
return 0;
return pWin->hIcon;
}
HICON SetWindowIcon (HWND hWnd, HICON hIcon, BOOL bRedraw)
{
PMAINWIN pWin;
HICON hOld;
if (!(pWin = checkAndGetMainWindowPtrOfMainWin (hWnd)))
return 0;
hOld = pWin->hIcon;
pWin->hIcon = hIcon;
if (bRedraw) { /* redraw the whole window */
UpdateWindow (hWnd, TRUE);
}
else { /* draw caption only */
HDC hdc;
const WINDOW_ELEMENT_RENDERER* rdr;
hdc = get_effective_dc (pWin, FALSE);
rdr = GetWindowInfo ((HWND)pWin)->we_rdr;
rdr ->draw_caption ((HWND)pWin, hdc,
!(pWin->dwStyle & WS_DISABLED) && (GetActiveWindow () == hWnd));
if (pWin->pMainWin->secondaryDC) {
draw_secondary_nc_area (pWin, rdr, hdc, HT_CAPTION);
}
release_effective_dc (pWin, hdc);
}
return hOld;
}
/**
* calc_xybanned_rects:
* this function calculates x-y-banned rectangles of MYBITMAP or BITMAP.
*
* param hwnd : the window handle
* param type : the type of mask: TYPE_MYBITMAP or TYPE_BITMAP
* param mask : MYBITMAP with 8 bits per pixels
* param nr_rcs(out) : number of the x-y-banned rectangles
*
* return : return NULL on failure, return the x-y-banned
* rectangles on success.
*
* note : You are responsible to free the x-y-banned rectangles.
*
* Author : NuohuaZhou
* Data : 2008-02-20
*/
#define XYBANNED_RECT_NR_INIT 10
#define XYBANNED_RECT_NR_INC 10
#define TYPE_MYBITMAP 1
#define TYPE_BITMAP 2
#include "../newgal/blit.h"
static RECT4MASK* calc_xybanned_rects (HDC hdc, int type, const void* mask,
int* nr_rcs)
{
Uint32 x, y;
Uint32 pixel;
POINT section;
RECT4MASK* xybanned_rects;
BOOL ismask, combined;
int max_index, max_calloced_nr;
int prev_pos_from, prev_pos_to, next_pos_from, next_pos_to;
int combined_index, i;
int w = 0, h = 0;
BYTE* bits = NULL;
Uint32 transparent = 0;
unsigned sA = 0;
unsigned sR, sG, sB;
if (!mask) return NULL;
if (type == TYPE_MYBITMAP) {
w = ((MYBITMAP*)mask)->w;
h = ((MYBITMAP*)mask)->h;
bits = ((MYBITMAP*)mask)->bits;
transparent = ((MYBITMAP*)mask)->transparent;
if (((MYBITMAP*)mask)->depth != 8) {
return NULL;
}
}
else {
w = ((BITMAP*)mask)->bmWidth;
h = ((BITMAP*)mask)->bmHeight;
bits = ((BITMAP*)mask)->bmBits;
if (!(dc_HDC2PDC(hdc))->surface->format) {
return NULL;
}
}
if (h <= 0) return NULL;
if (nr_rcs)
*nr_rcs = 0;
max_calloced_nr = XYBANNED_RECT_NR_INIT;
xybanned_rects = (RECT4MASK *) calloc (max_calloced_nr, sizeof (RECT4MASK));
if (!xybanned_rects) {
return NULL;
}
max_index = 0;
next_pos_from = 0;
next_pos_to = max_index;
for (y = 0; y < h; y++) {
section.x = 0;
section.y = 0;
ismask = FALSE;
combined = FALSE;
prev_pos_from = next_pos_from;
prev_pos_to = next_pos_to;
for (x = 0; x <= w; x++) {
if (type == TYPE_BITMAP) {
GAL_PixelFormat* pixfmt = (dc_HDC2PDC(hdc))->surface->format;
int bpp = ((BITMAP*)mask)->bmBytesPerPixel;
BYTE* p = bits + (y * ((BITMAP*)mask)->bmPitch) + x * bpp;
if (((BITMAP*)mask)->bmType & BMP_TYPE_ALPHA_MASK) {
BITMAP* bmp = (BITMAP*)mask;
int x = ((p - bmp->bmBits)%bmp->bmPitch);
int y = ((p - bmp->bmBits)/bmp->bmPitch);
int pitch = bmp->bmAlphaPitch;
sA = bmp->bmAlphaMask[y * pitch + x/bmp->bmBytesPerPixel];
DISEMBLE_RGB (p, bpp, pixfmt, pixel, sR, sG, sB);
}
else {
DISEMBLE_RGBA (p, bpp, pixfmt, pixel, sR, sG, sB, sA);
}
sR ^= sG & sB; /* prevent unused-but-set-variable warning */
}
else {
pixel = bits [y * ((MYBITMAP*)mask)->pitch + x];
}
if ((type == TYPE_MYBITMAP && pixel != transparent)
|| (type == TYPE_BITMAP && sA != 0))
{
if (!ismask) {
section.x = x;
ismask = TRUE;
}
}
if (((type == TYPE_MYBITMAP && pixel == transparent)
|| (type == TYPE_BITMAP && sA == 0)
|| x == w) && ismask) {
ismask = FALSE;
section.y = x;
combined_index = -1;
if (prev_pos_from <= max_index && prev_pos_to <= max_index) {
for (i = prev_pos_from; i <= prev_pos_to; ++i) {
if (y == xybanned_rects[i].bottom
&& section.x == xybanned_rects[i].left
&& section.y == xybanned_rects[i].right) {
++xybanned_rects[i].bottom;
combined_index = i;
break;
}
}
}
if (-1 == combined_index) {
++ max_index;
if (max_index >= max_calloced_nr) {
max_calloced_nr += XYBANNED_RECT_NR_INC;
xybanned_rects = (RECT4MASK *) realloc (xybanned_rects,
max_calloced_nr * sizeof (RECT4MASK));
if (!xybanned_rects) {
return NULL;
}
}
xybanned_rects[max_index].left = section.x;
xybanned_rects[max_index].top = y;
xybanned_rects[max_index].right = section.y;
xybanned_rects[max_index].bottom = y + 1;
} else {
if (!combined) {
combined = TRUE;
next_pos_from = combined_index;
} else {
if (combined_index < next_pos_from)
next_pos_from = combined_index;
}
}
}
}// for (x = 0; x < w; ++x)
if ((section.y == 0) && (section.x == 0)) {
next_pos_to = next_pos_from = max_index + 1;
} else {
next_pos_to = max_index;
}
}// for (y = 1; y < h; ++y)
if (nr_rcs)
*nr_rcs = max_index + 1;
return xybanned_rects;
}
/* Internal functions for non-rectangle window. */
static int set_window_mask_rect (HWND hWnd, WINMASKINFO* mask_info)
{
MASKRECT *new_maskrect;
PCONTROL pCtrl;
int i, retval;
if (!mask_info->rcs)
return FALSE;
if (IsControl (hWnd)) {
/*
* Because control without WS_EX_CTRLASMAINWIN has not
* the own Z order node, we should allocate memory for an
* array of mask_info->nr_rcs for mask_rects.
*
* The prev of first mask_rects indicates the number of the array.
* The next of last mask_rects is 0.
* The other prev and next of mask_rects is the index of the array.
*/
pCtrl = (PCONTROL) hWnd;
if (!(pCtrl->dwExStyle & WS_EX_CTRLASMAINWIN)) {
if (pCtrl->mask_rects == NULL) {
pCtrl->mask_rects =
(MASKRECT *) calloc (mask_info->nr_rcs, sizeof (MASKRECT));
if (!pCtrl->mask_rects) {
_WRN_PRINTF ("No enough memory!\n");
free (mask_info->rcs);
return FALSE;
}
}
else {
/*
* when number of calloced mask_rects is not enough,
* free the old memory and calloc more.
*/
if (pCtrl->mask_rects->prev < mask_info->nr_rcs) {
new_maskrect =
(MASKRECT *) calloc (mask_info->nr_rcs, sizeof (MASKRECT));
if (!new_maskrect) {
_WRN_PRINTF ("No enough memory!\n");
free (mask_info->rcs);
return FALSE;
}
free (pCtrl->mask_rects);
pCtrl->mask_rects = new_maskrect;
}
}
for (i = 0; i < mask_info->nr_rcs; ++i) {
(pCtrl->mask_rects + i)->left = mask_info->rcs[i].left;
(pCtrl->mask_rects + i)->top = mask_info->rcs[i].top;
(pCtrl->mask_rects + i)->right = mask_info->rcs[i].right;
(pCtrl->mask_rects + i)->bottom = mask_info->rcs[i].bottom;
(pCtrl->mask_rects + i)->prev = i;
(pCtrl->mask_rects + i)->next = i + 1;
}
/** the field [prev] is used to store number of mask_rects */
pCtrl->mask_rects->prev = mask_info->nr_rcs;
/** mark the end with 0 */
(pCtrl->mask_rects + mask_info->nr_rcs - 1)->next = 0;
free (mask_info->rcs);
if (pCtrl->dwStyle & WS_VISIBLE) {
ShowWindow (hWnd, SW_HIDE);
ShowWindow (hWnd, SW_SHOW);
}
return TRUE;
}
}
/* Since 5.0.0: use MSG_SETWINDOWMASK messasge instead of
__kernel_change_z_node_mask_rect */
retval = (int)SendMessage (HWND_DESKTOP,
MSG_SETWINDOWMASK, (WPARAM)hWnd, (LPARAM)mask_info);
// retval = __kernel_change_z_node_mask_rect (hWnd, mask_info->rcs, mask_info->nr_rcs);
free (mask_info->rcs);
/* Since 5.0.0. Under compositing schema, the compositor should refresh
the screen for the change of region. */
#ifndef _MGSCHEMA_COMPOSITING
pCtrl = (PCONTROL)hWnd;
if (!retval && pCtrl->dwStyle & WS_VISIBLE) {
MoveWindow (hWnd, pCtrl->left, pCtrl->top,
pCtrl->right - pCtrl->left - 1,
pCtrl->bottom - pCtrl->top - 1, FALSE);
MoveWindow (hWnd, pCtrl->left, pCtrl->top,
pCtrl->right - pCtrl->left + 1,
pCtrl->bottom - pCtrl->top + 1, FALSE);
}
#endif
return retval;
}
BOOL GUIAPI SetWindowMask (HWND hWnd, const MYBITMAP* mask)
{
WINMASKINFO mask_info;
int retval;
mask_info.rcs = calc_xybanned_rects (HDC_SCREEN, TYPE_MYBITMAP, mask,
&mask_info.nr_rcs);
if (!mask_info.rcs)
return FALSE;
retval = set_window_mask_rect (hWnd, &mask_info);
return (retval == 0 ? TRUE : FALSE);
}
BOOL GUIAPI SetWindowMaskEx (HWND hWnd, HDC hdc, const BITMAP* mask)
{
WINMASKINFO mask_info;
int retval;
mask_info.rcs = calc_xybanned_rects (hdc, TYPE_BITMAP, mask,
&mask_info.nr_rcs);
if (!mask_info.rcs)
return FALSE;
retval = set_window_mask_rect (hWnd, &mask_info);
return (retval == 0 ? TRUE : FALSE);
}
BOOL GUIAPI SetWindowRegion (HWND hWnd, const CLIPRGN * region)
{
MASKRECT *new_maskrect;
PCLIPRECT cliprc;
WINMASKINFO mask_info;
PCONTROL pCtrl;
int retval, nr_rcs, i;
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), FALSE);
if (!region || IsEmptyClipRgn(region))
return FALSE;
/** number of rect */
for (nr_rcs = 1, cliprc = region->head;
cliprc && cliprc != region->tail; nr_rcs++, cliprc=cliprc->next);
if (IsControl (hWnd)) {
/*
* Because control without WS_EX_CTRLASMAINWIN has not
* the Z order node, we should allocate memory for an
* array of nr_rcs for mask_rects.
*
* The prev of first mask_rects indicates the number of the array.
* The next of last mask_rects is 0.
* The other prev and next of mask_rects is the index of the array.
*/
pCtrl = (PCONTROL) hWnd;
if (!(pCtrl->dwExStyle & WS_EX_CTRLASMAINWIN)) {
if (pCtrl->mask_rects == NULL) {
pCtrl->mask_rects =
(MASKRECT *) calloc (nr_rcs, sizeof (MASKRECT));
if (!pCtrl->mask_rects) {
_WRN_PRINTF ("No enough memory!\n");
return FALSE;
}
}
else {
/*
* when number of calloced mask_rects is not enough,
* free the old memory and calloc more.
*/
if (pCtrl->mask_rects->prev < nr_rcs) {
new_maskrect =
(MASKRECT *) calloc (nr_rcs, sizeof (MASKRECT));
if (!new_maskrect) {
_WRN_PRINTF ("No enough memory!\n");
return FALSE;
}
free (pCtrl->mask_rects);
pCtrl->mask_rects = new_maskrect;
}
}
cliprc = region->head;
for (i = 0; i < nr_rcs; ++i) {
(pCtrl->mask_rects + i)->left = cliprc->rc.left;
(pCtrl->mask_rects + i)->top = cliprc->rc.top;
(pCtrl->mask_rects + i)->right = cliprc->rc.right;
(pCtrl->mask_rects + i)->bottom = cliprc->rc.bottom;
(pCtrl->mask_rects + i)->prev = i;
(pCtrl->mask_rects + i)->next = i + 1;
cliprc = cliprc->next;
}
/** the field [prev] is used to store number of mask_rects */
pCtrl->mask_rects->prev = nr_rcs;
/** mark the end with 0 */
(pCtrl->mask_rects + nr_rcs - 1)->next = 0;
if (pCtrl->dwStyle & WS_VISIBLE) {
ShowWindow (hWnd, SW_HIDE);
ShowWindow (hWnd, SW_SHOW);
}
return TRUE;
}
}
mask_info.nr_rcs = nr_rcs;
mask_info.rcs = (RECT4MASK *) calloc (nr_rcs, sizeof(RECT4MASK));
if (mask_info.rcs == NULL) {
_WRN_PRINTF ("No enough memory!\n");
return FALSE;
}
cliprc = region->head;
for (i = 0; i < nr_rcs; ++i) {
mask_info.rcs[i].left = cliprc->rc.left;
mask_info.rcs[i].top = cliprc->rc.top;
mask_info.rcs[i].right = cliprc->rc.right;
mask_info.rcs[i].bottom = cliprc->rc.bottom;
cliprc = cliprc->next;
}
retval = (int)SendMessage (HWND_DESKTOP,
MSG_SETWINDOWMASK, (WPARAM)hWnd, (LPARAM)&mask_info);
// XXX: retval = __kernel_change_z_node_mask_rect (hWnd, rect, nr_rcs);
free (mask_info.rcs);
/* Since 5.0.0. Under compositing schema, the compositor should refresh
the screen for the change of region. */
#ifndef _MGSCHEMA_COMPOSITING
pCtrl = (PCONTROL)hWnd;
if (!retval && pCtrl->dwStyle & WS_VISIBLE) {
MoveWindow (hWnd, pCtrl->left, pCtrl->top,
pCtrl->right - pCtrl->left - 1,
pCtrl->bottom - pCtrl->top - 1, FALSE);
MoveWindow (hWnd, pCtrl->left, pCtrl->top,
pCtrl->right - pCtrl->left + 1,
pCtrl->bottom - pCtrl->top + 1, FALSE);
}
#endif
return (retval == 0 ? TRUE : FALSE);
}
BOOL GUIAPI GetWindowRegion (HWND hWnd, CLIPRGN* region)
{
PCONTROL pCtrl;
int nr_rects, i;
RECT rc;
MG_CHECK_RET (region != NULL, FALSE);
MG_CHECK_RET (MG_IS_NORMAL_WINDOW(hWnd), FALSE);
pCtrl = (PCONTROL) hWnd;
if (IsControl (hWnd) && !(pCtrl->dwExStyle & WS_EX_CTRLASMAINWIN)) {
/* the field [prev] is used to store number of mask_rects */
nr_rects = pCtrl->mask_rects->prev;
if (nr_rects == 0) {
GetWindowRect (hWnd, &rc);
OffsetRect (&rc, rc.left, rc.top);
return SetClipRgn (region, &rc);
}
else {
EmptyClipRgn (region);
for (i = 0; i < nr_rects; i++) {
rc.left = (pCtrl->mask_rects + i)->left;
rc.top = (pCtrl->mask_rects + i)->top;
rc.right = (pCtrl->mask_rects + i)->right;
rc.bottom = (pCtrl->mask_rects + i)->bottom;
if (!AddClipRect (region, &rc))
return FALSE;
}
}
}
else {
return __kernel_get_window_region (hWnd, region) > 0;
}
return TRUE;
}
#ifdef __TARGET_MSTUDIO__
int GUIAPI GetWindowZOrder(HWND hWnd)
{
PCONTROL pCtrl, pCtrlTmp;
int idx;
if (!IsWindow (hWnd))
return -1;
if (IsMainWindow (hWnd))
return 0;
pCtrl = (PCONTROL)hWnd;
pCtrlTmp = pCtrl->pParent->children;
idx = 0;
while(pCtrlTmp && pCtrl != pCtrlTmp)
{
idx ++;
pCtrlTmp = pCtrlTmp->next;
}
return idx;
}
int GUIAPI SetWindowZOrder (HWND hWnd, int zorder)
{
int idx;
PCONTROL pCtrl, pCtrlTmp;
if (!IsWindow (hWnd))
return -1;
if (IsMainWindow (hWnd))
return 0;
pCtrl = (PCONTROL)hWnd;
pCtrlTmp = pCtrl->pParent->children;
idx = 0;
while (idx < zorder && pCtrlTmp && pCtrlTmp != pCtrl) {
idx ++;
pCtrlTmp = pCtrlTmp->next;
}
if (idx < zorder) {
// Move Down
pCtrlTmp = pCtrlTmp->next;
if (pCtrlTmp && pCtrl == pCtrl->pParent->children)
pCtrl->pParent->children = pCtrl->next;
while (idx < zorder && pCtrlTmp) {
//switch pCtrl and pCtrlTmp
pCtrl->next = pCtrlTmp->next;
pCtrlTmp->prev = pCtrl->prev;
pCtrl->prev = pCtrlTmp;
pCtrlTmp->next = pCtrl;
if (pCtrl->next)
pCtrl->next->prev = pCtrl;
if (pCtrlTmp->prev)
pCtrlTmp->prev->next = pCtrlTmp;
pCtrlTmp = pCtrl->next;
}
}
else if(pCtrlTmp && pCtrlTmp != pCtrl) {
// Move Up
PCONTROL prev;
do {
prev = pCtrl->prev;
if (prev == NULL)
break;
prev->next = pCtrl->next;
pCtrl->prev = prev->prev;
pCtrl->next = prev;
prev->prev = pCtrl;
if (pCtrl->prev)
pCtrl->prev->next = pCtrl;
if (prev->next)
prev->next->prev = prev;
} while (prev != pCtrlTmp);
if (pCtrlTmp == pCtrl->pParent->children)
pCtrl->pParent->children = pCtrl;
if (prev == NULL)
return 0;
}
return idx;
}
#endif /* defined __TARGET_MSTUDIO__ */
/* Since 5.0.0 */
BOOL GUIAPI SetMainWindowAlwaysTop (HWND hMainWnd, BOOL fSet)
{
PMAINWIN pMainWin;
if (!(pMainWin = checkAndGetMainWindowPtrOfMainWin (hMainWnd))) {
return FALSE;
}
return (BOOL)SendMessage (HWND_DESKTOP,
MSG_SETALWAYSTOP, (WPARAM)pMainWin, (LPARAM)fSet);
}
#ifdef _MGSCHEMA_COMPOSITING
BOOL GUIAPI SetMainWindowCompositing (HWND hMainWnd, int type, DWORD arg)
{
PMAINWIN pMainWin;
COMPOSITINGINFO info;
if (!(pMainWin = checkAndGetMainWindowPtrOfMainWin (hMainWnd))) {
return FALSE;
}
info.type = type;
info.arg = arg;
return (BOOL)SendMessage (HWND_DESKTOP,
MSG_SETCOMPOSITING, (WPARAM)pMainWin, (LPARAM)&info);
}
#endif /* defined _MGSCHEMA_COMPOSITING */