dwm-flexipatch/patch/roundedcorners.c

54 lines
1.4 KiB
C

#include <X11/extensions/shape.h>
void drawroundedcorners(Client *c)
{
XWindowAttributes win_attr;
Pixmap mask;
XGCValues xgcv;
GC shape_gc;
int dia, w, h;
if (corner_radius <= 0 || !c)
return;
/* Clear window shape if fullscreen */
if (c->w == c->mon->mw && c->h == c->mon->mh) {
XRectangle rect = { .x = 0, .y = 0, .width = c->w, .height = c->h };
XShapeCombineRectangles(dpy, c->win, ShapeBounding, 0, 0, &rect, 1, ShapeSet, 1);
return;
}
if (!XGetWindowAttributes(dpy, c->win, &win_attr))
return;
dia = 2 * corner_radius;
w = c->w + 2 * c->bw;
h = c->h + 2 * c->bw;
if (w < dia || h < dia)
return;
mask = XCreatePixmap(dpy, c->win, w, h, 1);
if (!mask)
return;
shape_gc = XCreateGC(dpy, mask, 0, &xgcv);
if (!shape_gc) {
XFreePixmap(dpy, mask);
free(shape_gc);
return;
}
XSetForeground(dpy, shape_gc, 0);
XFillRectangle(dpy, mask, shape_gc, 0, 0, w, h);
XSetForeground(dpy, shape_gc, 1);
XFillArc(dpy, mask, shape_gc, 0, 0, dia, dia, 0, 23040);
XFillArc(dpy, mask, shape_gc, w-dia-1, 0, dia, dia, 0, 23040);
XFillArc(dpy, mask, shape_gc, 0, h-dia-1, dia, dia, 0, 23040);
XFillArc(dpy, mask, shape_gc, w-dia-1, h-dia-1, dia, dia, 0, 23040);
XFillRectangle(dpy, mask, shape_gc, corner_radius, 0, w-dia, h);
XFillRectangle(dpy, mask, shape_gc, 0, corner_radius, w, h-dia);
XShapeCombineMask(dpy, c->win, ShapeBounding, -c->bw, -c->bw, mask, ShapeSet);
XFreePixmap(dpy, mask);
XFreeGC(dpy, shape_gc);
}