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MiniGUI/src/ial/ial.c
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/*
* 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) 2002~2018, 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 <http://www.gnu.org/licenses/>.
*
* 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
* <http://www.minigui.com/en/about/licensing-policy/>.
*/
/*
** The Input Abstract Layer of MiniGUI.
**
** Create date: 2000/06/13
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "common.h"
#include "minigui.h"
#include "misc.h"
#include "ial.h"
/* General IAL engiens ... */
#ifdef _MGIAL_QVFB
#include "qvfb.h"
#endif
#ifdef _MGIAL_JZ4740
#include "jz4740.h"
#endif
#ifdef _MGIAL_2440
#include "2440.h"
#endif
#ifdef _MGIAL_WVFB
#include "wvfb.h"
#endif
#ifdef _MGIAL_DUMMY
#include "dummy.h"
#endif
#ifdef _MGIAL_AUTO
#include "auto.h"
#endif
#ifdef _MGIAL_RANDOM
#include "random.h"
#endif
#ifdef _MGIAL_COMM
#include "comminput.h"
#endif
#ifdef _MGGAL_PCXVFB
#include "pcxvfb.h"
#endif
#ifdef _MGGAL_RTOSXVFB
#include "rtos_xvfb.h"
#endif
#ifdef _MGIAL_CONSOLE
#include "native/native.h"
#endif
#ifdef _MGIAL_NET
#include "netial/netial.h"
#endif
#ifdef _MGIAL_IPAQ_H3600
#include "ipaq-h3600.h"
#endif
#ifdef _MGIAL_IPAQ_H5400
#include "ipaq-h5400.h"
#endif
#ifdef _MGIAL_QEMU
#include "qemu.h"
#endif
#ifdef _MGIAL_TSLIB
#include "tslibial.h"
#endif
#ifdef _MGIAL_NEXUS
#include "nexusial/nexus.h"
#endif
#ifdef _MGIAL_DLCUSTOM
#include "dlcustom/dlcustom.h"
#endif
#ifdef _MGIAL_DAVINCI6446
#include "davinci6446.h"
#endif
#ifdef _MGIAL_CISCO_TOUCHPAD
#include "cisco_touchpad.h"
#endif
#ifdef _MGIAL_MSTAR
#include "mstarial.h"
#endif
#ifdef _MGIAL_DFB
#include "dfb.h"
#endif
#ifdef _MGIAL_USVFB
#include "usvfbinput.h"
#endif
#define LEN_ENGINE_NAME 16
#define LEN_MTYPE_NAME 16
static INPUT inputs [] =
{
/* General IAL engines ... */
#ifdef _MGIAL_QVFB
{"qvfb", InitQVFBInput, TermQVFBInput},
#endif
#ifdef _MGIAL_JZ4740
{"jz4740", InitJZ4740Input, TermJZ4740Input},
#endif
#ifdef _MGIAL_2440
{"2440", Init2440Input, Term2440Input},
#endif
#ifdef _MGIAL_WVFB
{"wvfb", InitWVFBInput, TermWVFBInput},
#endif
#ifdef _MGIAL_DUMMY
{"dummy", InitDummyInput, TermDummyInput},
#endif
#ifdef _MGIAL_AUTO
{"auto", InitAutoInput, TermAutoInput},
#endif
#ifdef _MGIAL_RANDOM
{"random", InitRandomInput, TermRandomInput},
#endif
#ifdef _MGIAL_CUSTOM
{"custom", InitCustomInput, TermCustomInput},
#endif
#ifdef _MGIAL_DLCUSTOM
{"dlcustom", InitDLCustomInput, TermDLCustomInput},
#endif
#ifdef _MGIAL_COMM
{"comm", InitCOMMInput, TermCOMMInput},
#endif
#ifdef _MGGAL_PCXVFB
{"pc_xvfb", InitPCXVFBInput, TermPCXVFBInput},
#endif
#ifdef _MGGAL_RTOSXVFB
{"rtos_xvfb", InitRTOSXVFBInput, TermRTOSXVFBInput},
#endif
#ifdef _MGIAL_CONSOLE
{"console", InitNativeInput, TermNativeInput},
#endif
#ifdef _MGIAL_NET
{"net", InitNetInput, TermNetInput},
#endif
#ifdef _MGIAL_IPAQ_H3600
{"ipaq3600", InitIPAQH3600Input, TermIPAQH3600Input},
#endif
#ifdef _MGIAL_IPAQ_H5400
{"ipaq5400", InitIPAQH5400Input, TermIPAQH5400Input},
#endif
#ifdef _MGIAL_QEMU
{"qemu", InitQEMUInput, TermQEMUInput},
#endif
#ifdef _MGIAL_TSLIB
{"tslib", InitTSLibInput, TermTSLibInput},
#endif
#ifdef _MGIAL_NEXUS
{"nexus", InitNexusInput, TermNexusInput},
#endif
#ifdef _MGIAL_DAVINCI6446
{"davinci6446", InitDavinci6446Input, TermDavinci6446Input},
#endif
#ifdef _MGIAL_CISCO_TOUCHPAD
{"cisco_touchpad", InitCiscoTouchpadInput, TermCiscoTouchpadInput},
#endif
#ifdef _MGIAL_MSTAR
{"mstar", InitMStarInput, TermMStarInput},
#endif
#ifdef _MGIAL_DFB
{"dfb", InitDFBInput, TermDFBInput},
#endif
#ifdef _MGIAL_USVFB
{"usvfb", InitUSVFBInput, TermUSVFBInput},
#endif
/* ... end of general IAL engines */
};
INPUT* __mg_cur_input;
void (*__mg_ial_change_mouse_xy_hook) (int* x, int* y) = NULL;
#define NR_INPUTS (sizeof (inputs) / sizeof (INPUT))
int mg_InitIAL (void)
{
int i;
#ifndef __NOUNIX__
char* env_value;
#endif
char engine [LEN_ENGINE_NAME + 1];
char mdev [MAX_PATH + 1];
char mtype[LEN_MTYPE_NAME + 1];
if (NR_INPUTS == 0)
return ERR_NO_ENGINE;
#ifndef __NOUNIX__
if ((env_value = getenv ("MG_IAL_ENGINE"))) {
strncpy (engine, env_value, LEN_ENGINE_NAME);
engine [LEN_ENGINE_NAME] = '\0';
}
else
#endif
#ifndef _MG_MINIMALGDI
if (GetMgEtcValue ("system", "ial_engine", engine, LEN_ENGINE_NAME) < 0)
return ERR_CONFIG_FILE;
#else /* _MG_MINIMALGDI */
# ifdef _MGGAL_PCXVFB
strcpy(engine, "pc_xvfb");
# else
strcpy(engine, "dummy");
# endif
#endif /* _MG_MINIMALGDI */
#ifndef __NOUNIX__
if ((env_value = getenv ("MG_MDEV"))) {
strncpy (mdev, env_value, MAX_PATH);
mdev [MAX_PATH] = '\0';
}
else
#endif
if (GetMgEtcValue ("system", "mdev", mdev, MAX_PATH) < 0)
return ERR_CONFIG_FILE;
#ifndef __NOUNIX__
if ((env_value = getenv ("MG_MTYPE"))) {
strncpy (mtype, env_value, LEN_MTYPE_NAME);
mtype [LEN_MTYPE_NAME] = '\0';
}
else
#endif
if (GetMgEtcValue ("system", "mtype", mtype, LEN_MTYPE_NAME) < 0)
return ERR_CONFIG_FILE;
for (i = 0; i < NR_INPUTS; i++) {
if (strncmp (engine, inputs[i].id, LEN_ENGINE_NAME) == 0) {
__mg_cur_input = inputs + i;
break;
}
}
if (__mg_cur_input == NULL) {
_ERR_PRINTF ("IAL: Does not find the request engine: %s.\n", engine);
if (NR_INPUTS) {
__mg_cur_input = inputs;
_WRN_PRINTF ("IAL: Use the first engine: %s\n", __mg_cur_input->id);
}
else
return ERR_NO_MATCH;
}
strcpy (__mg_cur_input->mdev, mdev);
if (!IAL_InitInput (__mg_cur_input, mdev, mtype)) {
_ERR_PRINTF ("IAL: Init IAL engine failure.\n");
return ERR_INPUT_ENGINE;
}
_DBG_PRINTF ("IAL: Use %s engine.\n", __mg_cur_input->id);
return 0;
}
void mg_TerminateIAL (void)
{
if (__mg_cur_input && __mg_cur_input->term_input) {
IAL_TermInput ();
}
}
#ifdef _MGHAVE_MOUSECALIBRATE
DO_MOUSE_CALIBRATE_PROC __mg_do_mouse_calibrate;
POINT __mg_mouse_org_pos;
void GUIAPI GetOriginalMousePosition (int* x, int* y)
{
*x = __mg_mouse_org_pos.x;
*y = __mg_mouse_org_pos.y;
}
#define NR_EQUATIONS 6
#define LSHIFT(x) ((x)<<10)
#define RSHIFT(x) ((x)>>12)
static int vars1 [NR_EQUATIONS], vars2 [NR_EQUATIONS],
vars3 [NR_EQUATIONS], vars4 [NR_EQUATIONS];
static void do_mouse_calibrate (int* x, int* y)
{
int x1, y1, x2, y2, x3, y3, x4, y4;
x1 = vars1 [0] * (*x) + vars1 [1] * (*y) + vars1 [2];
y1 = vars1 [3] * (*x) + vars1 [4] * (*y) + vars1 [5];
x2 = vars2 [0] * (*x) + vars2 [1] * (*y) + vars2 [2];
y2 = vars2 [3] * (*x) + vars2 [4] * (*y) + vars2 [5];
x3 = vars3 [0] * (*x) + vars3 [1] * (*y) + vars3 [2];
y3 = vars3 [3] * (*x) + vars3 [4] * (*y) + vars3 [5];
x4 = vars4 [0] * (*x) + vars4 [1] * (*y) + vars4 [2];
y4 = vars4 [3] * (*x) + vars4 [4] * (*y) + vars4 [5];
*x = RSHIFT (x1 + x2 + x3 + x4);
*y = RSHIFT (y1 + y2 + y3 + y4);
}
static BOOL
doGaussianElimination (int* x, const POINT* src_pts, const POINT* dst_pts)
{
int x12, x23, y12, y23, nx12, nx23, ny12, ny23;
int numerator, denominator1, denominator2;
x12 = (src_pts [0].x - src_pts [1].x);
x23 = (src_pts [1].x - src_pts [2].x);
y12 = (src_pts [0].y - src_pts [1].y);
y23 = (src_pts [1].y - src_pts [2].y);
nx12 = (dst_pts [0].x - dst_pts [1].x);
nx23 = (dst_pts [1].x - dst_pts [2].x);
ny12 = (dst_pts [0].y - dst_pts [1].y);
ny23 = (dst_pts [1].y - dst_pts [2].y);
denominator1 = x12*y23 - x23*y12;
if (denominator1 == 0)
return FALSE;
denominator2 = y12*x23 - y23*x12;
if (denominator2 == 0)
return FALSE;
numerator = nx12*y23 - nx23*y12;
x [0] = LSHIFT (numerator) / denominator1;
numerator = nx12*x23 - nx23*x12;
x [1] = LSHIFT (numerator) / denominator2;
x [2] = LSHIFT (dst_pts [0].x) - x [0] * src_pts [0].x - x [1] * src_pts [0].y;
numerator = ny12*y23 - ny23*y12;
x [3] = LSHIFT (numerator) / denominator1;
numerator = ny12*x23 - ny23*x12;
x [4] = LSHIFT (numerator) / denominator2;
x [5] = LSHIFT (dst_pts [0].y) - x [3] * src_pts [0].x - x [4] * src_pts [0].y;
return TRUE;
}
BOOL GUIAPI
SetMouseCalibrationParameters (const POINT* src_pts, const POINT* dst_pts)
{
POINT my_src_pts [3];
POINT my_dst_pts [3];
my_src_pts [0] = src_pts [0];
my_src_pts [1] = src_pts [1];
my_src_pts [2] = src_pts [4];
my_dst_pts [0] = dst_pts [0];
my_dst_pts [1] = dst_pts [1];
my_dst_pts [2] = dst_pts [4];
if (!doGaussianElimination (vars1, my_src_pts, my_dst_pts))
return FALSE;
my_src_pts [0] = src_pts [1];
my_src_pts [1] = src_pts [2];
my_src_pts [2] = src_pts [4];
my_dst_pts [0] = dst_pts [1];
my_dst_pts [1] = dst_pts [2];
my_dst_pts [2] = dst_pts [4];
if (!doGaussianElimination (vars2, my_src_pts, my_dst_pts))
return FALSE;
my_src_pts [0] = src_pts [2];
my_src_pts [1] = src_pts [3];
my_src_pts [2] = src_pts [4];
my_dst_pts [0] = dst_pts [2];
my_dst_pts [1] = dst_pts [3];
my_dst_pts [2] = dst_pts [4];
if (!doGaussianElimination (vars3, my_src_pts, my_dst_pts))
return FALSE;
my_src_pts [0] = src_pts [0];
my_src_pts [1] = src_pts [3];
my_src_pts [2] = src_pts [4];
my_dst_pts [0] = dst_pts [0];
my_dst_pts [1] = dst_pts [3];
my_dst_pts [2] = dst_pts [4];
if (!doGaussianElimination (vars4, my_src_pts, my_dst_pts))
return FALSE;
__mg_do_mouse_calibrate = do_mouse_calibrate;
return TRUE;
}
#endif /* _MGHAVE_MOUSECALIBRATE */
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