dwm/patch/roundedcorners.c

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C
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2020-03-31 08:21:00 +02:00
#include <X11/extensions/shape.h>
void drawroundedcorners(Client *c)
{
if (corner_radius <= 0 || !c || c->isfullscreen)
return;
Window win;
win = c->win;
if (!win)
return;
XWindowAttributes win_attr;
if (!XGetWindowAttributes(dpy, win, &win_attr))
return;
int dia = 2 * corner_radius;
int w = c->w;
int h = c->h;
if (w < dia || h < dia)
return;
Pixmap mask;
mask = XCreatePixmap(dpy, win, w, h, 1);
if (!mask)
return;
XGCValues xgcv;
GC shape_gc;
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, win, ShapeBounding, 0, 0, mask, ShapeSet);
XFreePixmap(dpy, mask);
XFreeGC(dpy, shape_gc);
}