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some useful function

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NishiOwO
2025-12-08 14:38:01 +09:00
parent b9796e99d5
commit b239dd3819
2 changed files with 25 additions and 17 deletions
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3
include/Mw/LowLevel/X11.h
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@@ -68,6 +68,7 @@ struct _MwLLX11Pixmap {
XImage* mask;
};
MWDECL int MwLLX11CallInit(void);
MWDECL int MwLLX11CallInit(void);
MWDECL Cursor MwLLX11CreateCursor();
#endif

39
src/backend/x11.c
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@@ -784,17 +784,17 @@ static void MwLLForceRenderImpl(MwLL handle) {
}
}
static void MwLLSetCursorImpl(MwLL handle, MwCursor* image, MwCursor* mask) {
Cursor MwLLX11CreateCursor(Display* display, MwCursor* image, MwCursor* mask) {
Cursor cur;
int y, x, ys, xs;
char* di = malloc(MwCursorDataHeight * MwCursorDataHeight * 4);
char* dm = malloc(MwCursorDataHeight * MwCursorDataHeight * 4);
XImage* cimage = XCreateImage(handle->x11.display, DefaultVisual(handle->x11.display, DefaultScreen(handle->x11.display)), 1, ZPixmap, 0, di, MwCursorDataHeight, MwCursorDataHeight, 32, MwCursorDataHeight * 4);
XImage* cmask = XCreateImage(handle->x11.display, DefaultVisual(handle->x11.display, DefaultScreen(handle->x11.display)), 1, ZPixmap, 0, dm, MwCursorDataHeight, MwCursorDataHeight, 32, MwCursorDataHeight * 4);
Pixmap pimage = XCreatePixmap(handle->x11.display, handle->x11.window, MwCursorDataHeight, MwCursorDataHeight, 1);
Pixmap pmask = XCreatePixmap(handle->x11.display, handle->x11.window, MwCursorDataHeight, MwCursorDataHeight, 1);
GC imagegc = XCreateGC(handle->x11.display, pimage, 0, NULL);
GC maskgc = XCreateGC(handle->x11.display, pmask, 0, NULL);
XImage* cimage = XCreateImage(display, DefaultVisual(display, DefaultScreen(display)), 1, ZPixmap, 0, di, MwCursorDataHeight, MwCursorDataHeight, 32, MwCursorDataHeight * 4);
XImage* cmask = XCreateImage(display, DefaultVisual(display, DefaultScreen(display)), 1, ZPixmap, 0, dm, MwCursorDataHeight, MwCursorDataHeight, 32, MwCursorDataHeight * 4);
Pixmap pimage = XCreatePixmap(display, DefaultRootWindow(display), MwCursorDataHeight, MwCursorDataHeight, 1);
Pixmap pmask = XCreatePixmap(display, DefaultRootWindow(display), MwCursorDataHeight, MwCursorDataHeight, 1);
GC imagegc = XCreateGC(display, pimage, 0, NULL);
GC maskgc = XCreateGC(display, pmask, 0, NULL);
XColor cfg, cbg;
xs = -mask->x + image->x;
@@ -826,25 +826,32 @@ static void MwLLSetCursorImpl(MwLL handle, MwCursor* image, MwCursor* mask) {
cfg.red = 65535;
cfg.green = 65535;
cfg.blue = 65535;
XAllocColor(handle->x11.display, handle->x11.colormap, &cfg);
XAllocColor(display, DefaultColormap(display, DefaultScreen(display)), &cfg);
cbg.red = 0;
cbg.green = 0;
cbg.blue = 0;
XAllocColor(handle->x11.display, handle->x11.colormap, &cbg);
XAllocColor(display, DefaultColormap(display, DefaultScreen(display)), &cbg);
XPutImage(handle->x11.display, pimage, imagegc, cimage, 0, 0, 0, 0, MwCursorDataHeight, MwCursorDataHeight);
XPutImage(handle->x11.display, pmask, maskgc, cmask, 0, 0, 0, 0, MwCursorDataHeight, MwCursorDataHeight);
XPutImage(display, pimage, imagegc, cimage, 0, 0, 0, 0, MwCursorDataHeight, MwCursorDataHeight);
XPutImage(display, pmask, maskgc, cmask, 0, 0, 0, 0, MwCursorDataHeight, MwCursorDataHeight);
cur = XCreatePixmapCursor(handle->x11.display, pimage, pmask, &cfg, &cbg, xs, ys);
XDefineCursor(handle->x11.display, handle->x11.window, cur);
XFreeCursor(handle->x11.display, cur);
cur = XCreatePixmapCursor(display, pimage, pmask, &cfg, &cbg, xs, ys);
XFreePixmap(handle->x11.display, pimage);
XFreePixmap(handle->x11.display, pmask);
XFreePixmap(display, pimage);
XFreePixmap(display, pmask);
XDestroyImage(cimage);
XDestroyImage(cmask);
return cur;
}
static void MwLLSetCursorImpl(MwLL handle, MwCursor* image, MwCursor* mask) {
Cursor cur = MwLLX11CreateCursor(handle->x11.display, image, mask);
XDefineCursor(handle->x11.display, handle->x11.window, cur);
XFreeCursor(handle->x11.display, cur);
}
static void MwLLDetachImpl(MwLL handle, MwPoint* point) {