fix for multiple initialization

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

diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index 5208da0f59e67783be5afa7bf037e6977fc4987b..538dda645dedc98f09ae8c7118053839e18fbf77 100644 (file)
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -1511,12 +1511,12 @@ wxWindowGTK *FindWindowForMouseEvent(wxWindowGTK *win, wxCoord& x, wxCoord& y)
         yy += pizza->yoffset;
     }
 
-    wxNode *node = win->GetChildren().First();
+    wxWindowList::Node  *node = win->GetChildren().GetFirst();
     while (node)
     {
-        wxWindowGTK *child = (wxWindowGTK*)node->Data();
+        wxWindowGTK *child = node->GetData();
 
-        node = node->Next();
+        node = node->GetNext();
         if (!child->IsShown())
             continue;
 
@@ -1835,6 +1835,10 @@ static gint gtk_window_motion_notify_callback( GtkWidget *widget,
     {
         // synthetize a mouse enter or leave event if needed
         GdkWindow *winUnderMouse = gdk_window_at_pointer(NULL, NULL);
+        // This seems to be necessary and actually been added to 
+        // GDK itself in version 2.0.X
+        gdk_flush();
+        
         bool hasMouse = winUnderMouse == gdk_event->window;
         if ( hasMouse != g_captureWindowHasMouse )
         {
@@ -1912,7 +1916,7 @@ static gint gtk_window_focus_in_callback( GtkWidget *widget,
 
     wxLogTrace(TRACE_FOCUS,
                _T("%s: focus in"), win->GetName().c_str());
-    
+
 #ifdef HAVE_XIM
     if (win->m_ic)
         gdk_im_begin(win->m_ic, win->m_wxwindow->window);
@@ -2058,6 +2062,9 @@ gint gtk_window_enter_callback( GtkWidget *widget,
     if (!win->m_hasVMT) return FALSE;
     if (g_blockEventsOnDrag) return FALSE;
 
+    // Event was emitted after a grab
+    if (gdk_event->mode != GDK_CROSSING_NORMAL) return FALSE;
+    
     if (!win->IsOwnGtkWindow( gdk_event->window )) return FALSE;
 
     int x = 0;
@@ -2095,6 +2102,9 @@ static gint gtk_window_leave_callback( GtkWidget *widget, GdkEventCrossing *gdk_
     if (!win->m_hasVMT) return FALSE;
     if (g_blockEventsOnDrag) return FALSE;
 
+    // Event was emitted after an ungrab
+    if (gdk_event->mode != GDK_CROSSING_NORMAL) return FALSE;
+    
     if (!win->IsOwnGtkWindow( gdk_event->window )) return FALSE;
 
     wxMouseEvent event( wxEVT_LEAVE_WINDOW );
@@ -2275,21 +2285,6 @@ wxWindow *wxWindowBase::FindFocus()
     return (wxWindow *)g_focusWindow;
 }
 
-//-----------------------------------------------------------------------------
-// "destroy" event
-//-----------------------------------------------------------------------------
-
-// VZ: Robert commented the code using out so it generates warnings: should
-//     be either fixed or removed completely
-#if 0
-
-static void gtk_window_destroy_callback( GtkWidget* widget, wxWindow *win )
-{
-    wxWindowDestroyEvent event(win);
-    win->GetEventHandler()->ProcessEvent(event);
-}
-
-#endif // 0
 
 //-----------------------------------------------------------------------------
 // "realize" from m_widget
@@ -2735,6 +2730,8 @@ bool wxWindowGTK::Create( wxWindow *parent,
 
 wxWindowGTK::~wxWindowGTK()
 {
+    SendDestroyEvent();
+
     if (g_focusWindow == this)
         g_focusWindow = NULL;
 
@@ -2940,11 +2937,6 @@ void wxWindowGTK::ConnectWidget( GtkWidget *widget )
 
     gtk_signal_connect( GTK_OBJECT(widget), "leave_notify_event",
       GTK_SIGNAL_FUNC(gtk_window_leave_callback), (gpointer)this );
-
-    // This keeps crashing on me. RR.
-    //
-    // gtk_signal_connect( GTK_OBJECT(widget), "destroy",
-    //  GTK_SIGNAL_FUNC(gtk_window_destroy_callback), (gpointer)this );
 }
 
 bool wxWindowGTK::Destroy()
@@ -3420,9 +3412,31 @@ int wxWindowGTK::GetCharHeight() const
 
     wxCHECK_MSG( m_font.Ok(), 12, wxT("invalid font") );
 
+#ifdef __WXGTK20__
+    PangoContext *context = NULL;
+    if (m_widget)
+        context = gtk_widget_get_pango_context( m_widget );
+
+    if (!context)
+        return 0;
+
+    PangoFontDescription *desc = m_font.GetNativeFontInfo()->description;
+    PangoLayout *layout = pango_layout_new(context);
+    pango_layout_set_font_description(layout, desc);
+    pango_layout_set_text(layout, "H", 1);
+    PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
+
+    PangoRectangle rect;
+    pango_layout_line_get_extents(line, NULL, &rect);
+
+    g_object_unref( G_OBJECT( layout ) );
+
+    return (int) (rect.height / PANGO_SCALE);
+#else
     GdkFont *font = m_font.GetInternalFont( 1.0 );
 
     return font->ascent + font->descent;
+#endif
 }
 
 int wxWindowGTK::GetCharWidth() const
@@ -3431,9 +3445,31 @@ int wxWindowGTK::GetCharWidth() const
 
     wxCHECK_MSG( m_font.Ok(), 8, wxT("invalid font") );
 
+#ifdef __WXGTK20__
+    PangoContext *context = NULL;
+    if (m_widget)
+        context = gtk_widget_get_pango_context( m_widget );
+
+    if (!context)
+        return 0;
+
+    PangoFontDescription *desc = m_font.GetNativeFontInfo()->description;
+    PangoLayout *layout = pango_layout_new(context);
+    pango_layout_set_font_description(layout, desc);
+    pango_layout_set_text(layout, "H", 1);
+    PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
+
+    PangoRectangle rect;
+    pango_layout_line_get_extents(line, NULL, &rect);
+
+    g_object_unref( G_OBJECT( layout ) );
+
+    return (int) (rect.width / PANGO_SCALE);
+#else
     GdkFont *font = m_font.GetInternalFont( 1.0 );
 
     return gdk_string_width( font, "H" );
+#endif
 }
 
 void wxWindowGTK::GetTextExtent( const wxString& string,
@@ -4103,7 +4139,13 @@ void wxWindowGTK::SetWidgetStyle()
 
     if (m_font != wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT ))
     {
-        SET_STYLE_FONT(style, m_font.GetInternalFont( 1.0 ));
+#ifdef __WXGTK20__
+        pango_font_description_free( style->font_desc );
+        pango_font_description_copy( m_font.GetNativeFontInfo()->description );
+#else
+        gdk_font_unref( style->font );
+        style->font = gdk_font_ref( m_font.GetInternalFont( 1.0 ) );
+#endif
     }
 
     if (m_foregroundColour.Ok())