From: Thierry Lorthiois <lorthiois@bbsoft.fr>
Date: Sun, 30 Aug 2009 16:20:44 +0000 (+0000)
Subject: detect pid of process owning the systray
X-Git-Url: https://git.dogcows.com/gitweb?a=commitdiff_plain;h=45244915741a21c1784048172d835693e107874d;p=chaz%2Ftint2

detect pid of process owning the systray
---

diff --git a/ChangeLog b/ChangeLog
index 7c49eed..27d4567 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+2009-08-30
+- detect pid of process owning the systray
+
 2009-08-30
 - added taskbar_active_background_id to change current desktop background.
   warning : this feature have a price on cpu (tint2 redraw all task) when you switch desktop.
diff --git a/src/systray/systraybar.c b/src/systray/systraybar.c
index c135077..c014fd9 100644
--- a/src/systray/systraybar.c
+++ b/src/systray/systraybar.c
@@ -171,9 +171,30 @@ void resize_systray(void *obj)
 
 int init_net()
 {
+	Window win = XGetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN);
+
 	// freedesktop systray specification
-	if (XGetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN) != None) {
-		fprintf(stderr, "tint2 : another systray is running\n");
+	if (win != None) {
+		// search pid
+		Atom _NET_WM_PID, actual_type;
+		int actual_format;
+		unsigned long nitems;
+		unsigned long bytes_after;
+		unsigned char *prop;
+		int pid;
+
+		_NET_WM_PID = XInternAtom(server.dsp, "_NET_WM_PID", True);
+		//atom_name = XGetAtomName (dpy,atom);
+
+		int ret = XGetWindowProperty(server.dsp, win, _NET_WM_PID, 0, 1024, False, AnyPropertyType, &actual_type, &actual_format, &nitems, &bytes_after, &prop);
+
+		fprintf(stderr, "tint2 : another systray is running");
+		if (ret == 0) {
+			pid = prop[1] * 256;
+			pid += prop[0];
+			fprintf(stderr, " pid=%d", pid);
+		}
+		fprintf(stderr, "\n");
 		return 0;
 	}