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support for software cursor for compositing schema

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This commit is contained in:
Vincent Wei
2020-01-21 17:35:18 +08:00
parent 528ed6589d
commit a01908e56f
1 changed files with 122 additions and 50 deletions
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172
src/kernel/cursor-procs.c
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@@ -417,6 +417,42 @@ HCURSOR GUIAPI LoadCursorFromPNGMem (const void* area, size_t size,
}
}
static BITMAP csr_bmp;
static GAL_Rect csr_rect = {0, 0, CURSORWIDTH, CURSORHEIGHT};
static void hidecursor (void)
{
csr_rect.x = CSR_OLDBOXLEFT;
csr_rect.y = CSR_OLDBOXTOP;
GAL_SetClipRect (__gal_screen, NULL);
GAL_PutBox (__gal_screen, &csr_rect, &csr_bmp);
GAL_UpdateRects (__gal_screen, 1, &csr_rect);
}
static void showcursor (void)
{
int x, y;
GAL_Rect src_rect;
x = boxleft ();
y = boxtop ();
csr_rect.x = x;
csr_rect.y = y;
GAL_SetClipRect (__gal_screen, NULL);
GAL_GetBox (__gal_screen, &csr_rect, &csr_bmp);
src_rect.x = 0;
src_rect.y = 0;
src_rect.w = CURSORWIDTH;
src_rect.h = CURSORHEIGHT;
GAL_BlitSurface (CSR_CURRENT->surface, &src_rect, __gal_screen, &csr_rect);
GAL_UpdateRects (__gal_screen, 1, &csr_rect);
}
BOOL mg_InitCursor (void)
{
if (mgIsServer) {
@@ -432,6 +468,23 @@ BOOL mg_InitCursor (void)
fake_bits, sizeof (fake_bits));
if (_dc_cursor == HDC_INVALID)
return FALSE;
if (!GAL_GetVideoInfo()->hw_cursor) {
/* software cursor */
csr_bmp.bmType = BMP_TYPE_NORMAL;
csr_bmp.bmBitsPerPixel = __gal_screen->format->BitsPerPixel;
csr_bmp.bmBytesPerPixel = __gal_screen->format->BytesPerPixel;
csr_bmp.bmWidth = CURSORWIDTH;
csr_bmp.bmHeight = CURSORHEIGHT;
csr_bmp.bmPitch = __gal_screen->format->BytesPerPixel * CURSORWIDTH;
csr_bmp.bmBits = malloc (csr_bmp.bmPitch * CURSORHEIGHT);
if (csr_bmp.bmBits == NULL) {
DeleteMemDC (_dc_cursor);
return FALSE;
}
_WRN_PRINTF("We are using software cursor!\n");
}
}
_sys_cursors = (PCURSOR*)((PG_RES)mgSharedRes)->sys_cursors;
@@ -456,35 +509,14 @@ void mg_TerminateCursor (void)
}
}
if (csr_bmp.bmBits)
free (csr_bmp.bmBits);
DeleteMemDC (_dc_cursor);
}
}
#else /* _MGSCHEMA_COMPOSITING */
#if 0 /* FIXME: I do not know why this can not work :( */
Uint8* GetPixelUnderCursor (int x, int y, gal_pixel* pixel)
{
Uint8* dst = NULL;
LOCK_CURSOR_SEM ();
if (CSR_SHOW_COUNT >= 0 && CSR_CURRENT
&& x >= CSR_OLDBOXLEFT && y >= CSR_OLDBOXTOP
&& (x < CSR_OLDBOXLEFT + CURSORWIDTH)
&& (y < CSR_OLDBOXTOP + CURSORHEIGHT)
&& get_hidecursor_sem_val () == 0) {
int _x = x - CSR_OLDBOXLEFT;
int _y = y - CSR_OLDBOXTOP;
dst = CSR_SAVEDBITS + _y * __mg_csrimgpitch
+ _x * __gal_screen->format->BytesPerPixel;
*pixel = _mem_get_pixel (dst, __gal_screen->format->BytesPerPixel);
}
UNLOCK_CURSOR_SEM ();
return dst;
}
#endif
#else /* not define _MGSCHEMA_COMPOSITING */
/* Cursor creating and destroying. */
static HCURSOR srvCreateCursor (int xhotspot, int yhotspot, int w, int h,
@@ -681,9 +713,6 @@ static void hidecursor (void)
#endif
}
void _dc_restore_alpha_in_bitmap (const GAL_PixelFormat* format,
void* dst_bits, unsigned int nr_bytes);
static void showcursor (void)
{
int x, y;
@@ -861,7 +890,8 @@ BOOL kernel_RefreshCursor (int* x, int* y, int* button)
int curx, cury;
BOOL moved = FALSE;
if (!mgIsServer) return FALSE;
if (!mgIsServer)
return FALSE;
IAL_GetMouseXY (x, y);
SHAREDRES_MOUSEX = curx = *x;
@@ -871,7 +901,7 @@ BOOL kernel_RefreshCursor (int* x, int* y, int* button)
if (oldx != curx || oldy != cury) {
#if defined (_MGHAVE_CURSOR) && defined(_MGSCHEMA_SHAREDFB)
#if defined(_MGHAVE_CURSOR) && defined(_MGSCHEMA_SHAREDFB)
LOCK_CURSOR_SEM ();
CSR_CURSORX = curx;
CSR_CURSORY = cury;
@@ -886,7 +916,21 @@ BOOL kernel_RefreshCursor (int* x, int* y, int* button)
showcursor ();
}
UNLOCK_CURSOR_SEM ();
#endif /* _MGHAVE_CURSOR && _MGSCHEMA_SHAREDFB*/
#elif defined(_MGHAVE_CURSOR) && defined(_MGSCHEMA_COMPOSITING)
CSR_CURSORX = curx;
CSR_CURSORY = cury;
if (CSR_SHOW_COUNT >= 0 && CSR_CURRENT) {
if (csr_bmp.bmBits) {
hidecursor ();
showcursor ();
}
else {
PCURSOR pcsr = (PCURSOR)CSR_CURRENT;
GAL_MoveCursor (pcsr->surface, curx, cury);
}
}
#endif /* _MGHAVE_CURSOR && _MGSCHEMA_COMPOSITING */
oldx = curx;
oldy = cury;
@@ -944,18 +988,26 @@ HCURSOR GUIAPI SetCursorEx (HCURSOR hcsr, BOOL setdef)
pcsr = (PCURSOR)hcsr;
LOCK_CURSOR_SEM ();
#ifdef _MGSCHEMA_COMPOSITING
CSR_CURRENT_SET = (HCURSOR)pcsr;
CSR_XHOTSPOT = pcsr ? pcsr->xhotspot : -100;
CSR_YHOTSPOT = pcsr ? pcsr->yhotspot : -100;
if (csr_bmp.bmBits) {
if (CSR_CURRENT && CSR_SHOW_COUNT >= 0)
hidecursor();
if (CSR_CURRENT && CSR_SHOW_COUNT >= 0)
CSR_CURRENT_SET = (HCURSOR)pcsr;
CSR_XHOTSPOT = pcsr ? pcsr->xhotspot : -100;
CSR_YHOTSPOT = pcsr ? pcsr->yhotspot : -100;
if (CSR_CURRENT && CSR_SHOW_COUNT >= 0)
showcursor();
}
else {
CSR_CURRENT_SET = (HCURSOR)pcsr;
CSR_XHOTSPOT = pcsr ? pcsr->xhotspot : -100;
CSR_YHOTSPOT = pcsr ? pcsr->yhotspot : -100;
GAL_SetCursor (pcsr->surface, pcsr->xhotspot, pcsr->yhotspot);
else
GAL_SetCursor (NULL, 0, 0);
}
#else /* _MGSCHEMA_SHAREDFB */
LOCK_CURSOR_SEM ();
if (CSR_CURRENT && CSR_SHOW_COUNT >= 0
&& get_hidecursor_sem_val () == 0)
hidecursor();
@@ -967,8 +1019,8 @@ HCURSOR GUIAPI SetCursorEx (HCURSOR hcsr, BOOL setdef)
if (CSR_CURRENT && CSR_SHOW_COUNT >= 0
&& get_hidecursor_sem_val () == 0)
showcursor();
#endif
UNLOCK_CURSOR_SEM ();
#endif
return (HCURSOR) old;
}
@@ -978,8 +1030,6 @@ HCURSOR GUIAPI GetCurrentCursor (void)
return (HCURSOR)CSR_CURRENT;
}
#ifdef _MGSCHEMA_SHAREDFB
static inline BOOL does_need_hide (const RECT* prc)
{
int csrleft, csrright, csrtop, csrbottom;
@@ -1002,14 +1052,15 @@ static inline BOOL does_need_hide (const RECT* prc)
return TRUE;
}
#ifdef _MGSCHEMA_SHAREDFB
/* version for _MGSCHEMA_SHAREDFB */
void kernel_ShowCursorForGDI (BOOL fShow, void* pdc)
{
PDC cur_pdc = (PDC)pdc;
const RECT* prc = NULL;
const RECT* prc;
prc = &cur_pdc->rc_output;
if (cur_pdc->surface != __gal_screen) {
if (fShow)
GAL_UpdateRect (cur_pdc->surface,
@@ -1043,16 +1094,28 @@ void kernel_ShowCursorForGDI (BOOL fShow, void* pdc)
void kernel_ShowCursorForGDI (BOOL fShow, void* pdc)
{
PDC cur_pdc = (PDC)pdc;
const RECT* prc = NULL;
const RECT* prc;
if (!mgIsServer) {
return;
}
prc = &cur_pdc->rc_output;
if (cur_pdc->surface == __gal_screen && fShow) {
GAL_UpdateRect (cur_pdc->surface,
if (cur_pdc->surface == __gal_screen) {
// only call showcursor/hidecursor for software cursor.
if (!fShow) {
if (csr_bmp.bmBits && CSR_SHOW_COUNT >= 0 && CSR_CURRENT &&
does_need_hide (prc)) {
hidecursor ();
}
}
else {
if (csr_bmp.bmBits && CSR_CURRENT && CSR_SHOW_COUNT >= 0)
showcursor();
GAL_UpdateRect (cur_pdc->surface,
prc->left, prc->top, RECTWP(prc), RECTHP(prc));
}
}
}
@@ -1090,14 +1153,23 @@ int GUIAPI ShowCursor (BOOL fShow)
if (fShow) {
CSR_SHOW_COUNT++;
if (CSR_SHOW_COUNT == 0 && CSR_CURRENT) {
PCURSOR pcsr = (PCURSOR)CSR_CURRENT;
GAL_SetCursor (pcsr->surface, pcsr->xhotspot, pcsr->yhotspot);
if (csr_bmp.bmBits)
showcursor();
else {
PCURSOR pcsr = (PCURSOR)CSR_CURRENT;
GAL_SetCursor (pcsr->surface, pcsr->xhotspot, pcsr->yhotspot);
}
}
}
else {
CSR_SHOW_COUNT--;
if (CSR_SHOW_COUNT == -1 && CSR_CURRENT) {
GAL_SetCursor (NULL, 0, 0);
if (csr_bmp.bmBits)
hidecursor();
else {
PCURSOR pcsr = (PCURSOR)CSR_CURRENT;
GAL_MoveCursor (pcsr->surface, -100, -100);
}
}
}
#endif /* _MGSCHEMA_COMPOSITING */