detect start/stop composite manager. and answer to question.

[chaz/tint2] / src / server.c

diff --git a/src/server.c b/src/server.c
index 2d7de6e20ec19bc6d799d479fa862fcef4a568a7..18000f21234da4cd4df381cda56930d0ab7cb594 100644 (file)
--- a/src/server.c
+++ b/src/server.c
@@ -92,6 +92,10 @@ void server_init_atoms ()
        server.atom.XdndAware = XInternAtom(server.dsp, "XdndAware", False);
        server.atom.XdndPosition = XInternAtom(server.dsp, "XdndPosition", False);
        server.atom.XdndStatus = XInternAtom(server.dsp, "XdndStatus", False);
+
+       server.colormap = 0;
+       server.monitor = 0;
+       server.gc = 0;
 }
 
 
@@ -328,18 +332,23 @@ void server_init_visual()
        XFree (xvi);
 
        // check composite manager
-       if (XGetSelectionOwner(server.dsp, server.atom._NET_WM_CM_S0) == None)
-               real_transparency = 0;
-       else
-               real_transparency = 1;
+       server.composite_manager = XGetSelectionOwner(server.dsp, server.atom._NET_WM_CM_S0);
+       if (server.colormap)
+               XFreeColormap(server.dsp, server.colormap);
 
-       if (visual && real_transparency) {
+       if (visual && server.composite_manager != None) {
+               XSetWindowAttributes attrs;
+               attrs.event_mask = StructureNotifyMask;
+               XChangeWindowAttributes (server.dsp, server.composite_manager, CWEventMask, &attrs);
+
+               real_transparency = 1;
                server.depth = 32;
                printf("real transparency on... depth: %d\n", server.depth);
                server.colormap = XCreateColormap(server.dsp, server.root_win, visual, AllocNone);
                server.visual = visual;
        }
        else {
+               real_transparency = 0;
                server.depth = DefaultDepth(server.dsp, server.screen);
                printf("real transparency off.... depth: %d\n", server.depth);
                server.colormap = DefaultColormap(server.dsp, server.screen);