cnping

commit a5b741b57a9b31ba89252a1e156e9d7f4f7a8ca8
parent 933806fc806b9052110e0342ef8fc6823ee278de
Author: Tim Brooks <brooks@cern.ch>
Date:   Mon, 17 Oct 2016 17:44:25 +0200

Set WM_CLASS for window manager information

GNOME in particular uses the class field for integrated window menus.
See: https://tronche.com/gui/x/icccm/sec-4.html#WM_CLASS for reference.

Diffstat:
M
XDriver.c
 | 
15
+++++++++++++++

1 file changed, 15 insertions(+), 0 deletions(-)
diff --git a/XDriver.c b/XDriver.c
@@ -19,6 +19,7 @@
 #include <stdlib.h>
 
 XWindowAttributes CNFGWinAtt;
+XClassHint *CNFGClassHint;
 Display *CNFGDisplay;
 Window CNFGWindow;
 Pixmap CNFGPixmap;
@@ -36,6 +37,20 @@ static void InternalLinkScreenAndGo( const char * WindowName )
 {
 	XGetWindowAttributes( CNFGDisplay, CNFGWindow, &CNFGWinAtt );
 
+	XGetClassHint( CNFGDisplay, CNFGWindow, CNFGClassHint );
+	if (!CNFGClassHint) {
+		CNFGClassHint = XAllocClassHint();
+		if (CNFGClassHint) {
+			CNFGClassHint->res_name = "cnping";
+			CNFGClassHint->res_class = "cnping";
+			XSetClassHint( CNFGDisplay, CNFGWindow, CNFGClassHint );
+		} else {
+			fprintf( stderr, "Failed to allocate XClassHint!\n" );
+		}
+	} else {
+		fprintf( stderr, "Pre-existing XClassHint\n" );
+	}
+
 	XSelectInput (CNFGDisplay, CNFGWindow, KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | ExposureMask | PointerMotionMask );
 	XSetStandardProperties( CNFGDisplay, CNFGWindow, WindowName, WindowName, None, NULL, 0, NULL );