fix for wxComboBox::GetSelection from inside event handler

[wxWidgets.git] / src / gtk / window.cpp

diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index e9f5e00cbb15dbe7c95db0e3c90072d2eb5c125d..05a2f829cb4e0dfbf11285b61517ddc0c2bf15ea 100644 (file)
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -486,10 +486,21 @@ static void gtk_window_own_draw_callback( GtkWidget *widget, GdkRectangle *WXUNU
 
 static long map_to_unmodified_wx_keysym( GdkEventKey *event )
 {
+    // VZ: it seems that GDK_KEY_RELEASE event doesn't set event->string
+    //     but only event->keyval which is quite useless to us, so remember
+    //     the last character from GDK_KEY_PRESS and resue it as last resort
+    //
+    // NB: should be MT-neutral as always called from main thread only
+    static struct
+    {
+        KeySym keysym;
+        long   keycode;
+    } s_lastKeyPress = { 0, 0 };
+
     KeySym keysym = event->keyval;
     long key_code;
 
-    switch (keysym)
+    switch ( keysym )
     {
         case GDK_Shift_L:
         case GDK_Shift_R:       key_code = WXK_SHIFT;       break;
@@ -581,16 +592,43 @@ static long map_to_unmodified_wx_keysym( GdkEventKey *event )
         case GDK_F11:           key_code = WXK_F11;         break;
         case GDK_F12:           key_code = WXK_F12;         break;
         default:
-            if ( (keysym & 0xFF) == keysym )
+        {
+            // do we have the translation?
+            if ( event->length == 1 )
             {
-                guint upper = gdk_keyval_to_upper( (guint)keysym );
-                key_code = upper ? upper : keysym;
+                keysym = (KeySym)event->string[0];
             }
-            else
+            else if ( (keysym & 0xFF) != keysym )
+            {
+                // non ASCII key, what to do?
+
+                if ( event->type == GDK_KEY_RELEASE )
+                {
+                    // reuse the one from the last keypress if any
+                    if ( keysym == s_lastKeyPress.keysym )
+                    {
+                        key_code = s_lastKeyPress.keycode;
+
+                        // skip "return 0"
+                        break;
+                    }
+                }
+
+                // ignore this one, we don't know it
+                return 0;
+            }
+            //else: ASCII key, ok
+
+            guint upper = gdk_keyval_to_upper( (guint)keysym );
+            key_code = upper ? upper : keysym;
+
+            if ( event->type == GDK_KEY_PRESS )
             {
-                // unknown key code
-                key_code = 0;
+                // remember it to be reused below later
+                s_lastKeyPress.keysym = keysym;
+                s_lastKeyPress.keycode = key_code;
             }
+        }
     }
 
     return key_code;
@@ -1295,6 +1333,14 @@ static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton
     event.m_y = (wxCoord)gdk_event->y;
 
     AdjustEventButtonState(event);
+    
+    // wxListBox actually get mouse events from the item
+    
+    if (win->m_isListBox)
+    {
+        event.m_x += widget->allocation.x;
+        event.m_y += widget->allocation.y;
+    }
 
     // Some control don't have their own X window and thus cannot get
     // any events.
@@ -1428,6 +1474,14 @@ static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButto
 
     AdjustEventButtonState(event);
 
+    // wxListBox actually get mouse events from the item
+    
+    if (win->m_isListBox)
+    {
+        event.m_x += widget->allocation.x;
+        event.m_y += widget->allocation.y;
+    }
+
     // Some control don't have their own X window and thus cannot get
     // any events.
 
@@ -1774,7 +1828,14 @@ static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED
 
     if ( !g_activeFrameLostFocus && g_activeFrame )
     {
-        wxASSERT_MSG( wxGetTopLevelParent(win) == g_activeFrame, wxT("unfocusing window that haven't gained focus properly") )
+        // VZ: commenting this out because it does happen (although not easy
+        //     to reproduce, I only see it when using wxMiniFrame and not
+        //     always) and makes using Mahogany quite annoying
+#if 0
+        wxASSERT_MSG( wxGetTopLevelParent(win) == g_activeFrame,
+                        wxT("unfocusing window that hasn't gained focus properly") )
+#endif // 0
+
         g_activeFrameLostFocus = TRUE;
     }
 
@@ -2328,6 +2389,7 @@ void wxWindowGTK::Init()
 
     m_isStaticBox = FALSE;
     m_isRadioButton = FALSE;
+    m_isListBox = FALSE;
     m_isFrame = FALSE;
     m_acceptsFocus = FALSE;
 
@@ -3672,16 +3734,29 @@ static void SetInvokingWindow( wxMenu *menu, wxWindowGTK *win )
     }
 }
 
+// used to pass the coordinates from wxWindowGTK::DoPopupMenu() to
+// wxPopupMenuPositionCallback()
+//
+// should be safe even in the MT case as the user can hardly popup 2 menus
+// simultaneously, can he?
 static gint gs_pop_x = 0;
 static gint gs_pop_y = 0;
 
-static void pop_pos_callback( GtkMenu * WXUNUSED(menu),
-                              gint *x, gint *y,
-                              wxWindowGTK *win )
+static void wxPopupMenuPositionCallback( GtkMenu *menu,
+                                         gint *x, gint *y,
+                                         gpointer WXUNUSED(user_data) )
 {
-    win->ClientToScreen( &gs_pop_x, &gs_pop_y );
-    *x = gs_pop_x;
-    *y = gs_pop_y;
+    // ensure that the menu appears entirely on screen
+    GtkRequisition req;
+    gtk_widget_get_child_requisition(GTK_WIDGET(menu), &req);
+
+    wxSize sizeScreen = wxGetDisplaySize();
+
+    gint xmax = sizeScreen.x - req.width,
+         ymax = sizeScreen.y - req.height;
+
+    *x = gs_pop_x < xmax ? gs_pop_x : xmax;
+    *y = gs_pop_y < ymax ? gs_pop_y : ymax;
 }
 
 bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y )
@@ -3696,6 +3771,7 @@ bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y )
 
     gs_pop_x = x;
     gs_pop_y = y;
+    ClientToScreen( &gs_pop_x, &gs_pop_y );
 
     bool is_waiting = TRUE;
 
@@ -3704,12 +3780,12 @@ bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y )
 
     gtk_menu_popup(
                   GTK_MENU(menu->m_menu),
-                  (GtkWidget *) NULL,          // parent menu shell
-                  (GtkWidget *) NULL,          // parent menu item
-                  (GtkMenuPositionFunc) pop_pos_callback,
-                  (gpointer) this,             // client data
-                  0,                           // button used to activate it
-                  gs_timeLastClick             // the time of activation
+                  (GtkWidget *) NULL,           // parent menu shell
+                  (GtkWidget *) NULL,           // parent menu item
+                  wxPopupMenuPositionCallback,  // function to position it
+                  NULL,                         // client data
+                  0,                            // button used to activate it
+                  gs_timeLastClick              // the time of activation
                 );
 
     while (is_waiting)