Add NetWM/Motif controls to QWidget

This must break binary compatibility, so version was also bumped to 3.4.0

1 files changed, 79 insertions, 0 deletions

diff --git a/src/kernel/qwidget_x11.cpp b/src/kernel/qwidget_x11.cpp
index 02fdebf..775829c 100644
--- a/src/kernel/qwidget_x11.cpp
+++ b/src/kernel/qwidget_x11.cpp
@@ -124,6 +124,19 @@ extern Atom qt_net_wm_state_max_h;
 extern Atom qt_net_wm_state_fullscreen;
 extern Atom qt_net_wm_state_above;
 extern Atom qt_net_wm_state_stays_on_top;
+extern Atom qt_net_wm_action;
+extern Atom qt_net_wm_action_move;
+extern Atom qt_net_wm_action_resize;
+extern Atom qt_net_wm_action_minimize;
+extern Atom qt_net_wm_action_shade;
+extern Atom qt_net_wm_action_stick;
+extern Atom qt_net_wm_action_max_h;
+extern Atom qt_net_wm_action_max_v;
+extern Atom qt_net_wm_action_fullscreen;
+extern Atom qt_net_wm_action_change_desktop;
+extern Atom qt_net_wm_action_close;
+extern Atom qt_net_wm_action_above;
+extern Atom qt_net_wm_action_below;
 extern Atom qt_net_wm_window_type;
 extern Atom qt_net_wm_window_type_normal;
 extern Atom qt_net_wm_window_type_dialog;
@@ -462,7 +475,16 @@ void QWidget::create( WId window, bool initializeWindow, bool destroyOldWindow)
 
     // NET window states
     long net_winstates[6] = { 0, 0, 0, 0, 0, 0 };
+    long net_winactions[12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
     int curr_winstate = 0;
+    int curr_winaction = 0;
+
+    // Add all default actions that cannot be turned off
+    net_winactions[curr_winaction++] = qt_net_wm_action_stick;
+    net_winactions[curr_winaction++] = qt_net_wm_action_fullscreen;
+    net_winactions[curr_winaction++] = qt_net_wm_action_change_desktop;
+    net_winactions[curr_winaction++] = qt_net_wm_action_above;
+    net_winactions[curr_winaction++] = qt_net_wm_action_below;
 
     struct {
         ulong flags, functions, decorations;
@@ -475,6 +497,56 @@ void QWidget::create( WId window, bool initializeWindow, bool destroyOldWindow)
     mwmhints.input_mode = 0L;
     mwmhints.status = 0L;
 
+    if ( testNFlags(WX11DisableResize) ) {
+        mwmhints.functions |= (1L << 1); // MWM_FUNC_RESIZE
+        mwmhints.functions |= (1L << 0); // MWM_FUNC_ALL
+        mwmhints.flags |= (1L << 0); // MWM_HINTS_FUNCTIONS
+    }
+    else {
+        net_winactions[curr_winaction++] = qt_net_wm_action_resize;
+    }
+
+    if ( testNFlags(WX11DisableMove) ) {
+        mwmhints.functions |= (1L << 2); // MWM_FUNC_MOVE
+        mwmhints.functions |= (1L << 0); // MWM_FUNC_ALL
+        mwmhints.flags |= (1L << 0); // MWM_HINTS_FUNCTIONS
+    }
+    else {
+        net_winactions[curr_winaction++] = qt_net_wm_action_move;
+    }
+
+    if ( testNFlags(WX11DisableMinimize) ) {
+        mwmhints.functions |= (1L << 3); // MWM_FUNC_MINIMIZE
+        mwmhints.functions |= (1L << 0); // MWM_FUNC_ALL
+        mwmhints.flags |= (1L << 0); // MWM_HINTS_FUNCTIONS
+    }
+    else {
+        net_winactions[curr_winaction++] = qt_net_wm_action_minimize;
+    }
+
+    if ( testNFlags(WX11DisableMaximize) ) {
+        mwmhints.functions |= (1L << 4); // MWM_FUNC_MAXIMIZE
+        mwmhints.functions |= (1L << 0); // MWM_FUNC_ALL
+        mwmhints.flags |= (1L << 0); // MWM_HINTS_FUNCTIONS
+    }
+    else {
+        net_winactions[curr_winaction++] = qt_net_wm_action_max_h;
+        net_winactions[curr_winaction++] = qt_net_wm_action_max_v;
+    }
+
+    if ( testNFlags(WX11DisableClose) ) {
+        mwmhints.functions |= (1L << 5); // MWM_FUNC_CLOSE
+        mwmhints.functions |= (1L << 0); // MWM_FUNC_ALL
+        mwmhints.flags |= (1L << 0); // MWM_HINTS_FUNCTIONS
+    }
+    else {
+        net_winactions[curr_winaction++] = qt_net_wm_action_close;
+    }
+
+    if ( ! testNFlags(WX11DisableShade) ) {
+        net_winactions[curr_winaction++] = qt_net_wm_action_shade;
+    }
+
     if (topLevel && ! (desktop || popup)) {
 	ulong wsa_mask = 0;
 
@@ -630,6 +702,13 @@ void QWidget::create( WId window, bool initializeWindow, bool destroyOldWindow)
         else
             XDeleteProperty(dpy, id, qt_net_wm_state);
 
+	// set _NET_WM_ALLOWED_ACTIONS
+	if (curr_winaction > 0)
+	    XChangeProperty(dpy, id, qt_net_wm_action, XA_ATOM, 32, PropModeReplace,
+			    (unsigned char *) net_winactions, curr_winaction);
+        else
+            XDeleteProperty(dpy, id, qt_net_wm_action);
+
 	// set _NET_WM_PID
 	long curr_pid = getpid();
 	XChangeProperty(dpy, id, qt_net_wm_pid, XA_CARDINAL, 32, PropModeReplace,