Add an window manager detection function to startup.

current_window_manager now is an enum of known window managers.

1 files changed, 21 insertions, 0 deletions

diff --git a/source/x11-helper.c b/source/x11-helper.c
index 93ec2842..fff0e23d 100644
--- a/source/x11-helper.c
+++ b/source/x11-helper.c
@@ -44,6 +44,7 @@
 #include "xcb.h"
 #include "settings.h"
 #include "helper.h"
+#include "x11-helper.h"
 
 #include <rofi.h>
 /** Checks if the if x and y is inside rectangle. */
@@ -54,6 +55,9 @@
 /** Log domain for this module */
 #define LOG_DOMAIN    "X11Helper"
 
+
+WindowManager current_window_manager = WM_EWHM;
+
 /**
  * Structure holding xcb objects needed to function.
  */
@@ -919,3 +923,20 @@ void x11_disable_decoration ( xcb_window_t window )
     xcb_atom_t ha = netatoms[_MOTIF_WM_HINTS];
     xcb_change_property ( xcb->connection, XCB_PROP_MODE_REPLACE, window, ha, ha, 32, 5, &hints );
 }
+
+void x11_helper_discover_window_manager ( void )
+{
+    xcb_ewmh_get_utf8_strings_reply_t wtitle;
+    xcb_get_property_cookie_t cookie = xcb_ewmh_get_wm_name_unchecked(&(xcb->ewmh), xcb_stuff_get_root_window ( xcb ) );
+    if (  xcb_ewmh_get_wm_name_reply(&(xcb->ewmh), cookie, &wtitle, (void *)0))
+    {
+        if ( wtitle.strings_len > 0 ){
+            if ( g_strcmp0(wtitle.strings, "i3") == 0 ){
+                current_window_manager = WM_I3;
+            } else if  ( g_strcmp0 ( wtitle.strings, "awesome" )  == 0 ){
+                current_window_manager = WM_AWESOME;
+            }
+        }
+        xcb_ewmh_get_utf8_strings_reply_wipe(&wtitle);
+    }
+}