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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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33
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 )
{
XcursorImage *image, *ret = NULL;
DWORD delay_jiffies, is_static;
DWORD delay_jiffies, num_steps;
int x, y, i, has_alpha;
XcursorPixel *ptr;
@ -310,12 +310,11 @@ static XcursorImage *create_xcursor_frame( HDC hdc, const ICONINFOEXW *iinfo, HA
image->xhot = iinfo->xHotspot;
image->yhot = iinfo->yHotspot;
/* TODO: Handle animated cursors that use multiple rates */
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 */
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 */
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;
HBITMAP hbmColor = 0, hbmMask = 0;
XcursorImage **imgs, *image;
DWORD nFrames, delay_jiffies, i;
int color_size, mask_size;
BITMAPINFO *info = NULL;
XcursorImages *images;
XcursorImage **imgs;
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 */
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 */
while (1)
for (i=0; i<nFrames; i++)
{
XcursorImage **imgstmp;
image = create_xcursor_frame( hdc, iinfo, icon,
imgs[i] = create_xcursor_frame( hdc, iinfo, icon,
hbmColor, color_bits, color_size,
hbmMask, mask_bits, mask_size,
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;
width, height, i );
if (!imgs[i]) goto cleanup;
}
/* Build an X cursor out of all of the frames */
@ -436,8 +431,8 @@ cleanup:
if (imgs)
{
/* Failed to produce a cursor, free previously allocated frames */
for (nFrames--; nFrames >= 0; nFrames--)
pXcursorImageDestroy( imgs[nFrames] );
for (i=0; i<nFrames && imgs[i]; i++)
pXcursorImageDestroy( imgs[i] );
HeapFree( GetProcessHeap(), 0, imgs );
}
/* Cleanup all of the resources used to obtain the frame data */