add: the window opacity is set to 100 when fullscreen and then reset when fullscreen is disabled

1 files changed, 18 insertions, 0 deletions

diff --git a/src/sxwm.c b/src/sxwm.c
index 843b133..1b3902b 100644
--- a/src/sxwm.c
+++ b/src/sxwm.c
@@ -2630,6 +2630,22 @@ void toggle_floating_global(void)
 	update_borders();
 }
 
+void set_opacity(Window w, double opacity)
+{
+    unsigned long op = (unsigned long)(opacity * 0xFFFFFFFF);
+    Atom atom = XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False);
+
+    if (opacity < 0.0) opacity = 0.0;
+    if (opacity > 1.0) opacity = 1.0;
+    XChangeProperty(dpy, w, atom, XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&op, 1);
+}
+
+void reset_opacity(Window w)
+{
+	Atom atom = XInternAtom(dpy, "_NET_WM_WINDOW_OPACITY", False);
+	XDeleteProperty(dpy, w, atom);
+}
+
 void toggle_fullscreen(void)
 {
 	if (!focused) {
@@ -2659,10 +2675,12 @@ void toggle_fullscreen(void)
 		XSetWindowBorderWidth(dpy, focused->win, 0);
 		XMoveResizeWindow(dpy, focused->win, fs_x, fs_y, fs_w, fs_h);
 		XRaiseWindow(dpy, focused->win);
+		set_opacity(focused->win, 100);
 	}
 	else {
 		XMoveResizeWindow(dpy, focused->win, focused->orig_x, focused->orig_y, focused->orig_w, focused->orig_h);
 		XSetWindowBorderWidth(dpy, focused->win, user_config.border_width);
+		reset_opacity(focused->win);
 
 		if (!focused->floating) {
 			focused->mon = get_monitor_for(focused);