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winex11: Add support for retrieving multi-rate animated cursor data.

This commit is contained in:
Erich Hoover 2011-03-09 22:56:50 -07:00 committed by Alexandre Julliard
parent 3e35caa7b2
commit eddffff780
1 changed files with 16 additions and 21 deletions
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37
dlls/winex11.drv/mouse.c
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@ -294,7 +294,7 @@ static XcursorImage *create_xcursor_frame( HDC hdc, const ICONINFOEXW *iinfo, HA
int width, int height, int istep ) int width, int height, int istep )
{ {
XcursorImage *image, *ret = NULL; XcursorImage *image, *ret = NULL;
DWORD delay_jiffies, is_static; DWORD delay_jiffies, num_steps;
int x, y, i, has_alpha; int x, y, i, has_alpha;
XcursorPixel *ptr; XcursorPixel *ptr;
@ -310,12 +310,11 @@ static XcursorImage *create_xcursor_frame( HDC hdc, const ICONINFOEXW *iinfo, HA
image->xhot = iinfo->xHotspot; image->xhot = iinfo->xHotspot;
image->yhot = iinfo->yHotspot; image->yhot = iinfo->yHotspot;
/* TODO: Handle animated cursors that use multiple rates */
image->delay = 100; /* fallback delay, 100 ms */ image->delay = 100; /* fallback delay, 100 ms */
if (GetCursorFrameInfo(icon, 0x0 /* unknown parameter */, 0 /* obtain first rate */, &delay_jiffies, &is_static) != 0) if (GetCursorFrameInfo(icon, 0x0 /* unknown parameter */, istep, &delay_jiffies, &num_steps) != 0)
image->delay = (100 * delay_jiffies) / 6; /* convert jiffies (1/60s) to milliseconds */ image->delay = (100 * delay_jiffies) / 6; /* convert jiffies (1/60s) to milliseconds */
else else
WARN("Failed to retrieve animated cursor framerate.\n"); WARN("Failed to retrieve animated cursor frame-rate for frame %d.\n", istep);
/* draw the cursor frame to a temporary buffer then copy it into the XcursorImage */ /* draw the cursor frame to a temporary buffer then copy it into the XcursorImage */
memset( color_bits, 0x00, color_size ); memset( color_bits, 0x00, color_size );
@ -366,14 +365,16 @@ static Cursor create_xcursor_cursor( HDC hdc, const ICONINFOEXW *iinfo, HANDLE i
{ {
unsigned char *color_bits, *mask_bits; unsigned char *color_bits, *mask_bits;
HBITMAP hbmColor = 0, hbmMask = 0; HBITMAP hbmColor = 0, hbmMask = 0;
XcursorImage **imgs, *image; DWORD nFrames, delay_jiffies, i;
int color_size, mask_size; int color_size, mask_size;
BITMAPINFO *info = NULL; BITMAPINFO *info = NULL;
XcursorImages *images; XcursorImages *images;
XcursorImage **imgs;
Cursor cursor = 0; Cursor cursor = 0;
int nFrames = 0;
if (!(imgs = HeapAlloc( GetProcessHeap(), 0, sizeof(XcursorImage*) ))) return 0; /* Retrieve the number of frames to render */
if (!GetCursorFrameInfo(icon, 0x0 /* unknown parameter */, 0, &delay_jiffies, &nFrames)) return 0;
if (!(imgs = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(XcursorImage*)*nFrames ))) return 0;
/* Allocate all of the resources necessary to obtain a cursor frame */ /* Allocate all of the resources necessary to obtain a cursor frame */
if (!(info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[256] )))) goto cleanup; if (!(info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[256] )))) goto cleanup;
@ -406,19 +407,13 @@ static Cursor create_xcursor_cursor( HDC hdc, const ICONINFOEXW *iinfo, HANDLE i
} }
/* Create an XcursorImage for each frame of the cursor */ /* Create an XcursorImage for each frame of the cursor */
while (1) for (i=0; i<nFrames; i++)
{ {
XcursorImage **imgstmp; imgs[i] = create_xcursor_frame( hdc, iinfo, icon,
hbmColor, color_bits, color_size,
image = create_xcursor_frame( hdc, iinfo, icon, hbmMask, mask_bits, mask_size,
hbmColor, color_bits, color_size, width, height, i );
hbmMask, mask_bits, mask_size, if (!imgs[i]) goto cleanup;
width, height, nFrames );
if (!image) break; /* no more drawable frames */
imgs[nFrames++] = image;
if (!(imgstmp = HeapReAlloc( GetProcessHeap(), 0, imgs, (nFrames+1)*sizeof(XcursorImage*) ))) goto cleanup;
imgs = imgstmp;
} }
/* Build an X cursor out of all of the frames */ /* Build an X cursor out of all of the frames */
@ -436,8 +431,8 @@ cleanup:
if (imgs) if (imgs)
{ {
/* Failed to produce a cursor, free previously allocated frames */ /* Failed to produce a cursor, free previously allocated frames */
for (nFrames--; nFrames >= 0; nFrames--) for (i=0; i<nFrames && imgs[i]; i++)
pXcursorImageDestroy( imgs[nFrames] ); pXcursorImageDestroy( imgs[i] );
HeapFree( GetProcessHeap(), 0, imgs ); HeapFree( GetProcessHeap(), 0, imgs );
} }
/* Cleanup all of the resources used to obtain the frame data */ /* Cleanup all of the resources used to obtain the frame data */