Add NetWM/Motif controls to QWidget

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

5 files changed, 185 insertions, 18 deletions

diff --git a/src/kernel/qapplication_x11.cpp b/src/kernel/qapplication_x11.cpp
index 7bc9f48..45d83df 100644
--- a/src/kernel/qapplication_x11.cpp
+++ b/src/kernel/qapplication_x11.cpp
@@ -262,9 +262,22 @@ Atom		qt_net_wm_state		= 0;
 Atom		qt_net_wm_state_modal	= 0;
 Atom		qt_net_wm_state_max_v	= 0;
 Atom		qt_net_wm_state_max_h	= 0;
-Atom		qt_net_wm_state_fullscreen = 0;
-Atom		qt_net_wm_state_above	= 0;
-Atom            qt_net_wm_window_type   = 0;
+Atom		qt_net_wm_state_fullscreen	= 0;
+Atom		qt_net_wm_state_above		= 0;
+Atom		qt_net_wm_action		= 0;
+Atom		qt_net_wm_action_move		= 0;
+Atom		qt_net_wm_action_resize		= 0;
+Atom		qt_net_wm_action_minimize	= 0;
+Atom		qt_net_wm_action_shade		= 0;
+Atom		qt_net_wm_action_stick		= 0;
+Atom		qt_net_wm_action_max_h		= 0;
+Atom		qt_net_wm_action_max_v		= 0;
+Atom		qt_net_wm_action_fullscreen	= 0;
+Atom		qt_net_wm_action_change_desktop	= 0;
+Atom		qt_net_wm_action_close		= 0;
+Atom		qt_net_wm_action_above		= 0;
+Atom		qt_net_wm_action_below		= 0;
+Atom            qt_net_wm_window_type		= 0;
 Atom            qt_net_wm_window_type_normal	= 0;
 Atom            qt_net_wm_window_type_dialog	= 0;
 Atom            qt_net_wm_window_type_toolbar	= 0;
@@ -2003,6 +2016,19 @@ void qt_init_internal( int *argcptr, char **argv,
 	qt_x11_intern_atom( "_NET_WM_STATE_MAXIMIZED_HORZ", &qt_net_wm_state_max_h );
 	qt_x11_intern_atom( "_NET_WM_STATE_FULLSCREEN", &qt_net_wm_state_fullscreen );
 	qt_x11_intern_atom( "_NET_WM_STATE_ABOVE", &qt_net_wm_state_above );
+	qt_x11_intern_atom( "_NET_WM_ALLOWED_ACTIONS", &qt_net_wm_action );
+	qt_x11_intern_atom( "_NET_WM_ACTION_MOVE", &qt_net_wm_action_move );
+	qt_x11_intern_atom( "_NET_WM_ACTION_RESIZE", &qt_net_wm_action_resize );
+	qt_x11_intern_atom( "_NET_WM_ACTION_MINIMIZE", &qt_net_wm_action_minimize );
+	qt_x11_intern_atom( "_NET_WM_ACTION_SHADE", &qt_net_wm_action_shade );
+	qt_x11_intern_atom( "_NET_WM_ACTION_STICK", &qt_net_wm_action_stick );
+	qt_x11_intern_atom( "_NET_WM_ACTION_MAXIMIZE_HORZ", &qt_net_wm_action_max_h );
+	qt_x11_intern_atom( "_NET_WM_ACTION_MAXIMIZE_VERT", &qt_net_wm_action_max_v );
+	qt_x11_intern_atom( "_NET_WM_ACTION_FULLSCREEN", &qt_net_wm_action_fullscreen );
+	qt_x11_intern_atom( "_NET_WM_ACTION_CHANGE_DESKTOP", &qt_net_wm_action_change_desktop );
+	qt_x11_intern_atom( "_NET_WM_ACTION_CLOSE", &qt_net_wm_action_close );
+	qt_x11_intern_atom( "_NET_WM_ACTION_ABOVE", &qt_net_wm_action_above );
+	qt_x11_intern_atom( "_NET_WM_ACTION_BELOW", &qt_net_wm_action_below );
 	qt_x11_intern_atom( "_NET_WM_WINDOW_TYPE", &qt_net_wm_window_type );
 	qt_x11_intern_atom( "_NET_WM_WINDOW_TYPE_NORMAL", &qt_net_wm_window_type_normal );
 	qt_x11_intern_atom( "_NET_WM_WINDOW_TYPE_DIALOG", &qt_net_wm_window_type_dialog );
@@ -5167,7 +5193,7 @@ bool QETWidget::translateKeyEventInternal( const XEvent *event, int& count,
     uint keystate = event->xkey.state;
     // remove the modifiers where mode_switch exists... HPUX machines seem
     // to have alt *AND* mode_switch both in Mod1Mask, which causes
-    // XLookupString to return things like 'å' (aring) for ALT-A.  This
+    // XLookupString to return things like '�' (aring) for ALT-A.  This
     // completely breaks modifiers.  If we remove the modifier for Mode_switch,
     // then things work correctly...
     xkeyevent.state &= ~qt_mode_switch_remove_mask;
diff --git a/src/kernel/qnamespace.h b/src/kernel/qnamespace.h
index 1598785..2201a3d 100644
--- a/src/kernel/qnamespace.h
+++ b/src/kernel/qnamespace.h
@@ -168,6 +168,28 @@ public:
 	WState_HasMouse		= 0x00800000
     };
 
+    // NetWM flags; documented in qwidget.cpp
+    typedef uint NFlags;
+
+    // documented in qwidget.cpp
+    enum NETWMFlags {
+#if defined(Q_WS_X11)
+        WX11DisableMove         = 0x00000001,
+        WX11DisableClose        = 0x00000002,
+        WX11DisableResize       = 0x00000004,
+        WX11DisableMinimize     = 0x00000008,
+        WX11DisableMaximize     = 0x00000010,
+        WX11DisableShade        = 0x00000020
+#else
+        WX11DisableMove         = 0x00000000,
+        WX11DisableClose        = 0x00000000,
+        WX11DisableResize       = 0x00000000,
+        WX11DisableMinimize     = 0x00000000,
+        WX11DisableMaximize     = 0x00000000,
+        WX11DisableShade        = 0x00000000
+#endif
+    };
+
     // Widget flags2; documented in qwidget.cpp
     typedef uint WFlags;
 
diff --git a/src/kernel/qwidget.cpp b/src/kernel/qwidget.cpp
index 856907c..65aabb4 100644
--- a/src/kernel/qwidget.cpp
+++ b/src/kernel/qwidget.cpp
@@ -776,6 +776,25 @@ QSize qt_naturalWidgetSize( QWidget *w ) {
 */
 
 /*!
+    \enum Qt::NETWMFlags
+
+    \keyword NETWM flag
+
+    This enum type is used to specify various NETWM properties
+    under X11 and similar systems.
+
+    The main types are
+
+    \value WX11DisableMove
+    \value WX11DisableClose
+    \value WX11DisableResize
+    \value WX11DisableMinimize
+    \value WX11DisableMaximize
+    \value WX11DisableShade
+
+*/
+
+/*!
     \enum Qt::WidgetState
 
     Internal flags.
@@ -874,6 +893,7 @@ QWidget::QWidget( QWidget *parent, const char *name, WFlags f )
     winid = 0;					// default attributes
     widget_state = 0;
     widget_flags = f;
+    netwm_flags = 0;
     focus_policy = 0;
     own_font = 0;
     own_palette = 0;
diff --git a/src/kernel/qwidget.h b/src/kernel/qwidget.h
index c83acb5..f77ca3a 100644
--- a/src/kernel/qwidget.h
+++ b/src/kernel/qwidget.h
@@ -455,6 +455,7 @@ public:
     QWidget *		parentWidget( bool sameWindow = FALSE ) const;
     WState		testWState( WState s ) const;
     WFlags		testWFlags( WFlags f ) const;
+    NFlags		testNFlags( NFlags f ) const;
     static QWidget *	find( WId );
     static QWidgetMapper *wmapper();
 
@@ -578,6 +579,9 @@ protected:
     WFlags	 getWFlags() const;
     virtual void setWFlags( WFlags );
     void	 clearWFlags( WFlags n );
+    NFlags	 getNFlags() const;
+    virtual void setNFlags( NFlags );
+    void	 clearNFlags( NFlags n );
 
     virtual bool focusNextPrevChild( bool next );
 
@@ -665,20 +669,25 @@ private:
     void         setBackgroundX11Relative();
 #endif
 
-    WId		 winid;
-    uint	 widget_state;
-    uint	 widget_flags;
-    uint	 focus_policy : 4;
-    uint 	 own_font :1;
-    uint 	 own_palette :1;
-    uint 	 sizehint_forced :1;
-    uint 	 is_closing :1;
-    uint 	 in_show : 1;
-    uint 	 in_show_maximized : 1;
-    uint	 fstrut_dirty : 1;
-    uint	 im_enabled : 1;
-    QRect	 crect;
-    QColor	 bg_col;
+    WId			winid;
+    uint		widget_state;
+    uint		widget_flags;
+    uint		netwm_flags;
+    uint		reserved_1;
+    uint		reserved_2;
+    uint		reserved_3;
+    uint		reserved_4;
+    uint		focus_policy : 4;
+    uint 		own_font :1;
+    uint 		own_palette :1;
+    uint 		sizehint_forced :1;
+    uint 		is_closing :1;
+    uint 		in_show : 1;
+    uint 		in_show_maximized : 1;
+    uint		fstrut_dirty : 1;
+    uint		im_enabled : 1;
+    QRect		crect;
+    QColor		bg_col;
 #ifndef QT_NO_PALETTE
     QPalette	 pal;
 #endif
@@ -756,6 +765,8 @@ inline Qt::WState QWidget::testWState( WState s ) const
 inline Qt::WFlags QWidget::testWFlags( WFlags f ) const
 { return (widget_flags & f); }
 
+inline Qt::NFlags QWidget::testNFlags( NFlags f ) const
+{ return (netwm_flags & f); }
 
 inline WId QWidget::winId() const
 { return winid; }
@@ -916,12 +927,21 @@ inline void QWidget::clearWState( uint f )
 inline Qt::WFlags QWidget::getWFlags() const
 { return widget_flags; }
 
+inline Qt::NFlags QWidget::getNFlags() const
+{ return netwm_flags; }
+
 inline void QWidget::setWFlags( WFlags f )
 { widget_flags |= f; }
 
+inline void QWidget::setNFlags( NFlags f )
+{ netwm_flags |= f; }
+
 inline void QWidget::clearWFlags( WFlags f )
 { widget_flags &= ~f; }
 
+inline void QWidget::clearNFlags( NFlags f )
+{ netwm_flags &= ~f; }
+
 inline void QWidget::constPolish() const
 {
     if ( !testWState(WState_Polished) ) {
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,