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cursor

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git-svn-id: http://svn2.nishi.boats/svn/milsko/trunk@180 b9cfdab3-6d41-4d17-bbe4-086880011989
This commit is contained in:
NishiOwO
2025-10-06 10:37:08 +00:00
parent 055fddbd3a
commit 1a28f5bcda
13 changed files with 352 additions and 10 deletions
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36
src/backend/x11.c
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@@ -334,3 +334,39 @@ void MwLLForceRender(MwLL handle) {
ev.xexpose.window = handle->window;
XSendEvent(handle->display, handle->window, False, ExposureMask, &ev);
}
void MwLLSetCursor(MwLL handle, MwCursor* image, MwCursor* mask) {
XcursorImage* img = XcursorImageCreate(MwCursorDataHeight, MwCursorDataHeight);
Cursor cur;
int y, x;
img->xhot = -mask->x;
img->yhot = MwCursorDataHeight + mask->y;
memset(img->pixels, 0, MwCursorDataHeight * MwCursorDataHeight * sizeof(XcursorPixel));
for(y = 0; y < mask->height; y++) {
unsigned int l = mask->data[y];
for(x = mask->width - 1; x >= 0; x--) {
if(l & 1) {
img->pixels[y * MwCursorDataHeight + x] = 0xff000000;
}
l = l >> 1;
}
}
for(y = 0; y < image->height; y++) {
unsigned int l = image->data[y];
for(x = image->width - 1; x >= 0; x--) {
int px = 0;
if(l & 1) px = 255;
img->pixels[(img->yhot + y) * MwCursorDataHeight + (img->xhot + x)] |= (px << 16) | (px << 8) | (px);
l = l >> 1;
}
}
cur = XcursorImageLoadCursor(handle->display, img);
XDefineCursor(handle->display, handle->window, cur);
XFreeCursor(handle->display, cur);
XcursorImageDestroy(img);
}