Work around "possibly uninitialized variable" warning in wxFileName.

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

diff --git a/src/gtk/settings.cpp b/src/gtk/settings.cpp
index 3759a30a326fa81580e0f7211768f7738dc8e260..7de06c56e34fdf9535462bc6bb9776eff7adec82 100644 (file)
--- a/src/gtk/settings.cpp
+++ b/src/gtk/settings.cpp
@@ -19,195 +19,140 @@
 #endif
 
 #include "wx/fontutil.h"
 #endif
 
 #include "wx/fontutil.h"

+#include "wx/fontenum.h"

 
 

-#include <gtk/gtkversion.h>
-#if GTK_CHECK_VERSION(2, 9, 0)
-    // gtk_object_sink
-    #undef GTK_DISABLE_DEPRECATED
-#endif

 #include <gtk/gtk.h>
 #include <gtk/gtk.h>

-#include <gdk/gdkx.h>
+#include "wx/gtk/private/win_gtk.h"

 
 

-#include <X11/Xatom.h>
+bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom);

 
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------

-// wxSystemObjects
+// wxSystemSettings implementation

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-struct wxSystemObjects
-{
-    wxColour m_colBtnFace,
-             m_colBtnShadow,
-             m_colBtnHighlight,
-             m_colHighlight,
-             m_colHighlightText,
-             m_colListBox,
-             m_colWindow,
-             m_colWindowText,
-             m_colBtnText,
-             m_colMenuItemHighlight,
-             m_colTooltip,
-             m_colTooltipText;
-
-    wxFont m_fontSystem;
-};
-
-static wxSystemObjects gs_objects;
-
-void wxClearGtkSystemObjects()
+static wxFont gs_fontSystem;
+
+static GtkContainer* ContainerWidget()

 {
 {

-    gs_objects.m_colBtnFace = wxColour();
-    gs_objects.m_colBtnShadow = wxColour();
-    gs_objects.m_colBtnHighlight = wxColour();
-    gs_objects.m_colHighlightText = wxColour();
-    gs_objects.m_colListBox = wxColour();
-    gs_objects.m_colWindow = wxColour();
-    gs_objects.m_colWindowText = wxColour();
-    gs_objects.m_colBtnText = wxColour();
-    gs_objects.m_colMenuItemHighlight = wxColour();
-    gs_objects.m_colTooltip = wxColour();
-    gs_objects.m_colTooltipText = wxColour();
-    gs_objects.m_fontSystem = wxNullFont;
+    static GtkContainer* s_widget;
+    if (s_widget == NULL)
+    {
+        s_widget = GTK_CONTAINER(gtk_fixed_new());
+        GtkWidget* window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+        gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(s_widget));
+    }
+    return s_widget;

 }
 
 }
 

-// ----------------------------------------------------------------------------
-// wxSystemSettings implementation
-// ----------------------------------------------------------------------------
-
-// kind of widget to use in GetColourFromGTKWidget
-enum wxGtkWidgetType
+extern "C" {
+static void style_set(GtkWidget*, GtkStyle*, void*)

 {
 {

-    wxGTK_BUTTON,
-    wxGTK_LIST,
-    wxGTK_MENUITEM,
-    wxGTK_TEXTCTRL
-};
-
-// the colour we need
-enum wxGtkColourType
-{
-    wxGTK_FG,
-    wxGTK_BG,
-    wxGTK_BASE
-};
-
-// wxSystemSettings::GetColour() helper: get the colours from a GTK+
-// widget style, return true if we did get them
-static bool GetColourFromGTKWidget(GdkColor& gdkColor,
-                                   wxGtkWidgetType type = wxGTK_BUTTON,
-                                   GtkStateType state = GTK_STATE_NORMAL,
-                                   wxGtkColourType colour = wxGTK_BG)
+    gs_fontSystem = wxNullFont;
+}
+}
+
+static const GtkStyle* ButtonStyle()

 {
 {

-    GtkWidget *widget;
-    switch ( type )
+    static GtkWidget* s_widget;
+    if (s_widget == NULL)

     {
     {

-        default:
-            wxFAIL_MSG( _T("unexpected GTK widget type") );
-            // fall through
-
-        case wxGTK_BUTTON:
-            widget = gtk_button_new();
-            break;
-
-        case wxGTK_TEXTCTRL:
-            widget = gtk_text_view_new();
-            break;
-
-        case wxGTK_LIST:
-            widget = gtk_tree_view_new_with_model(
-                (GtkTreeModel*)gtk_list_store_new(1, G_TYPE_INT));
-            break;
-
-        case wxGTK_MENUITEM:
-            widget = gtk_menu_item_new();
+        s_widget = gtk_button_new();
+        gtk_container_add(ContainerWidget(), s_widget);
+        gtk_widget_ensure_style(s_widget);
+        g_signal_connect(s_widget, "style_set", G_CALLBACK(style_set), NULL);

     }
     }

+    return s_widget->style;
+}

 
 

-    GtkStyle *def = gtk_rc_get_style( widget );
-    if ( !def )
-        def = gtk_widget_get_default_style();
-
-    const bool ok = def != NULL;
-    if (ok)
+static const GtkStyle* ListStyle()
+{
+    static GtkWidget* s_widget;
+    if (s_widget == NULL)

     {
     {

-        switch ( colour )
-        {
-            default:
-                wxFAIL_MSG( _T("unexpected GTK colour type") );
-                // fall through
-
-            case wxGTK_FG:
-                gdkColor = def->fg[state];
-                break;
-
-            case wxGTK_BG:
-                gdkColor = def->bg[state];
-                break;
+        s_widget = gtk_tree_view_new_with_model(
+            GTK_TREE_MODEL(gtk_list_store_new(1, G_TYPE_INT)));
+        gtk_container_add(ContainerWidget(), s_widget);
+        gtk_widget_ensure_style(s_widget);
+    }
+    return s_widget->style;
+}

 
 

-            case wxGTK_BASE:
-                gdkColor = def->base[state];
-                break;
-        }
+static const GtkStyle* TextCtrlStyle()
+{
+    static GtkWidget* s_widget;
+    if (s_widget == NULL)
+    {
+        s_widget = gtk_text_view_new();
+        gtk_container_add(ContainerWidget(), s_widget);
+        gtk_widget_ensure_style(s_widget);

     }
     }

+    return s_widget->style;
+}

 
 

-    gtk_object_sink((GtkObject*)widget);
+static const GtkStyle* MenuItemStyle()
+{
+    static GtkWidget* s_widget;
+    if (s_widget == NULL)
+    {
+        s_widget = gtk_menu_item_new();
+        gtk_container_add(ContainerWidget(), s_widget);
+        gtk_widget_ensure_style(s_widget);
+    }
+    return s_widget->style;
+}

 
 

-    return ok;
+static const GtkStyle* MenuBarStyle()
+{
+    static GtkWidget* s_widget;
+    if (s_widget == NULL)
+    {
+        s_widget = gtk_menu_bar_new();
+        gtk_container_add(ContainerWidget(), s_widget);
+        gtk_widget_ensure_style(s_widget);
+    }
+    return s_widget->style;

 }
 
 }
 

-static void GetTooltipColors()
+static const GtkStyle* ToolTipStyle()

 {
 {

-    GtkWidget* widget = gtk_window_new(GTK_WINDOW_POPUP);
-    const char* name = "gtk-tooltip";
-    if (gtk_check_version(2, 11, 0))
-        name = "gtk-tooltips";
-    gtk_widget_set_name(widget, name);
-    gtk_widget_ensure_style(widget);
-
-    GdkColor c = widget->style->bg[GTK_STATE_NORMAL];
-    gs_objects.m_colTooltip = wxColor(c);
-    c = widget->style->fg[GTK_STATE_NORMAL];
-    gs_objects.m_colTooltipText = wxColor(c);
-
-    gtk_widget_destroy(widget);
+    static GtkWidget* s_widget;
+    if (s_widget == NULL)
+    {
+        s_widget = gtk_window_new(GTK_WINDOW_POPUP);
+        const char* name = "gtk-tooltip";
+        if (gtk_check_version(2, 11, 0))
+            name = "gtk-tooltips";
+        gtk_widget_set_name(s_widget, name);
+        gtk_widget_ensure_style(s_widget);
+    }
+    return s_widget->style;

 }
 
 wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
 {
     wxColor color;
 }
 
 wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
 {
     wxColor color;

-    GdkColor gdkColor;

     switch (index)
     {
         case wxSYS_COLOUR_SCROLLBAR:
         case wxSYS_COLOUR_BACKGROUND:
     switch (index)
     {
         case wxSYS_COLOUR_SCROLLBAR:
         case wxSYS_COLOUR_BACKGROUND:

+        //case wxSYS_COLOUR_DESKTOP:

         case wxSYS_COLOUR_INACTIVECAPTION:
         case wxSYS_COLOUR_MENU:
         case wxSYS_COLOUR_WINDOWFRAME:
         case wxSYS_COLOUR_ACTIVEBORDER:
         case wxSYS_COLOUR_INACTIVEBORDER:
         case wxSYS_COLOUR_BTNFACE:
         case wxSYS_COLOUR_INACTIVECAPTION:
         case wxSYS_COLOUR_MENU:
         case wxSYS_COLOUR_WINDOWFRAME:
         case wxSYS_COLOUR_ACTIVEBORDER:
         case wxSYS_COLOUR_INACTIVEBORDER:
         case wxSYS_COLOUR_BTNFACE:

-        case wxSYS_COLOUR_MENUBAR:
+        //case wxSYS_COLOUR_3DFACE:

         case wxSYS_COLOUR_3DLIGHT:
         case wxSYS_COLOUR_3DLIGHT:

-            if (!gs_objects.m_colBtnFace.Ok())
-            {
-                gdkColor.red =
-                gdkColor.green = 0;
-                gdkColor.blue = 0x9c40;
-                GetColourFromGTKWidget(gdkColor);
-                gs_objects.m_colBtnFace = wxColor(gdkColor);
-            }
-            color = gs_objects.m_colBtnFace;
+            color = wxColor(ButtonStyle()->bg[GTK_STATE_NORMAL]);

             break;
 
         case wxSYS_COLOUR_WINDOW:
             break;
 
         case wxSYS_COLOUR_WINDOW:

-            if (!gs_objects.m_colWindow.Ok())
-            {
-                gdkColor.red =
-                gdkColor.green =
-                gdkColor.blue = 0xFFFF;
-                GetColourFromGTKWidget(gdkColor, wxGTK_TEXTCTRL, GTK_STATE_NORMAL, wxGTK_BASE);
-                gs_objects.m_colWindow = wxColor(gdkColor);
-            }
-            color = gs_objects.m_colWindow;
+            color = wxColor(TextCtrlStyle()->base[GTK_STATE_NORMAL]);
+            break;
+
+        case wxSYS_COLOUR_MENUBAR:
+            color = wxColor(MenuBarStyle()->bg[GTK_STATE_NORMAL]);

             break;
 
         case wxSYS_COLOUR_3DDKSHADOW:
             break;
 
         case wxSYS_COLOUR_3DDKSHADOW:


@@ -217,51 +162,32 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
         case wxSYS_COLOUR_GRAYTEXT:
         case wxSYS_COLOUR_BTNSHADOW:
         //case wxSYS_COLOUR_3DSHADOW:
         case wxSYS_COLOUR_GRAYTEXT:
         case wxSYS_COLOUR_BTNSHADOW:
         //case wxSYS_COLOUR_3DSHADOW:

-            if (!gs_objects.m_colBtnShadow.Ok())

             {
                 wxColour faceColour(GetColour(wxSYS_COLOUR_3DFACE));
             {
                 wxColour faceColour(GetColour(wxSYS_COLOUR_3DFACE));

-                gs_objects.m_colBtnShadow =
+                color =

                    wxColour((unsigned char) (faceColour.Red() * 2 / 3),
                             (unsigned char) (faceColour.Green() * 2 / 3),
                             (unsigned char) (faceColour.Blue() * 2 / 3));
             }
                    wxColour((unsigned char) (faceColour.Red() * 2 / 3),
                             (unsigned char) (faceColour.Green() * 2 / 3),
                             (unsigned char) (faceColour.Blue() * 2 / 3));
             }

-            color = gs_objects.m_colBtnShadow;

             break;
 
             break;
 

-        case wxSYS_COLOUR_3DHIGHLIGHT:
-        //case wxSYS_COLOUR_BTNHIGHLIGHT:
+        case wxSYS_COLOUR_BTNHIGHLIGHT:
+        //case wxSYS_COLOUR_BTNHILIGHT:
+        //case wxSYS_COLOUR_3DHIGHLIGHT:
+        //case wxSYS_COLOUR_3DHILIGHT:

             color = *wxWHITE;
             break;
 
         case wxSYS_COLOUR_HIGHLIGHT:
             color = *wxWHITE;
             break;
 
         case wxSYS_COLOUR_HIGHLIGHT:

-            if (!gs_objects.m_colHighlight.Ok())
-            {
-                gdkColor.red =
-                gdkColor.green = 0;
-                gdkColor.blue = 0x9c40;
-                GetColourFromGTKWidget(
-                    gdkColor, wxGTK_BUTTON, GTK_STATE_SELECTED);
-                gs_objects.m_colHighlight = wxColour(gdkColor);
-            }
-            color = gs_objects.m_colHighlight;
+            color = wxColor(ButtonStyle()->bg[GTK_STATE_SELECTED]);

             break;
 
         case wxSYS_COLOUR_LISTBOX:
             break;
 
         case wxSYS_COLOUR_LISTBOX:

-            if (!gs_objects.m_colListBox.Ok())
-            {
-                if ( GetColourFromGTKWidget(gdkColor,
-                                            wxGTK_LIST,
-                                            GTK_STATE_NORMAL,
-                                            wxGTK_BASE) )
-                {
-                    gs_objects.m_colListBox = wxColour(gdkColor);
-                }
-                else
-                {
-                    gs_objects.m_colListBox = *wxWHITE;
-                }
-            }
-            color = gs_objects.m_colListBox;
+            color = wxColor(ListStyle()->base[GTK_STATE_NORMAL]);
+            break;
+
+        case wxSYS_COLOUR_LISTBOXTEXT:
+            color = wxColor(ListStyle()->text[GTK_STATE_NORMAL]);

             break;
 
         case wxSYS_COLOUR_MENUTEXT:
             break;
 
         case wxSYS_COLOUR_MENUTEXT:


@@ -269,42 +195,19 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
         case wxSYS_COLOUR_CAPTIONTEXT:
         case wxSYS_COLOUR_INACTIVECAPTIONTEXT:
         case wxSYS_COLOUR_BTNTEXT:
         case wxSYS_COLOUR_CAPTIONTEXT:
         case wxSYS_COLOUR_INACTIVECAPTIONTEXT:
         case wxSYS_COLOUR_BTNTEXT:

-            if (!gs_objects.m_colBtnText.Ok())
-            {
-                gdkColor.red =
-                gdkColor.green =
-                gdkColor.blue = 0;
-                GetColourFromGTKWidget(
-                    gdkColor, wxGTK_BUTTON, GTK_STATE_NORMAL, wxGTK_FG);
-                gs_objects.m_colBtnText = wxColour(gdkColor);
-            }
-            color = gs_objects.m_colBtnText;
+            color = wxColor(ButtonStyle()->fg[GTK_STATE_NORMAL]);

             break;
 
         case wxSYS_COLOUR_INFOBK:
             break;
 
         case wxSYS_COLOUR_INFOBK:

-            if (!gs_objects.m_colTooltip.Ok()) {
-                GetTooltipColors();
-            }
-            color = gs_objects.m_colTooltip;
+            color = wxColor(ToolTipStyle()->bg[GTK_STATE_NORMAL]);

             break;
 
         case wxSYS_COLOUR_INFOTEXT:
             break;
 
         case wxSYS_COLOUR_INFOTEXT:

-            if (!gs_objects.m_colTooltipText.Ok()) {
-                GetTooltipColors();
-            }
-            color = gs_objects.m_colTooltipText;
+            color = wxColor(ToolTipStyle()->fg[GTK_STATE_NORMAL]);

             break;
 
         case wxSYS_COLOUR_HIGHLIGHTTEXT:
             break;
 
         case wxSYS_COLOUR_HIGHLIGHTTEXT:

-            if (!gs_objects.m_colHighlightText.Ok())
-            {
-                wxColour hclr = GetColour(wxSYS_COLOUR_HIGHLIGHT);
-                if (hclr.Red() > 200 && hclr.Green() > 200 && hclr.Blue() > 200)
-                    gs_objects.m_colHighlightText = *wxBLACK;
-                else
-                    gs_objects.m_colHighlightText = *wxWHITE;
-            }
-            color = gs_objects.m_colHighlightText;
+            color = wxColor(ButtonStyle()->fg[GTK_STATE_SELECTED]);

             break;
 
         case wxSYS_COLOUR_APPWORKSPACE:
             break;
 
         case wxSYS_COLOUR_APPWORKSPACE:


@@ -313,16 +216,7 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
 
         case wxSYS_COLOUR_ACTIVECAPTION:
         case wxSYS_COLOUR_MENUHILIGHT:
 
         case wxSYS_COLOUR_ACTIVECAPTION:
         case wxSYS_COLOUR_MENUHILIGHT:

-            if (!gs_objects.m_colMenuItemHighlight.Ok())
-            {
-                gdkColor.red =
-                gdkColor.green =
-                gdkColor.blue = 0;
-                GetColourFromGTKWidget(
-                    gdkColor, wxGTK_MENUITEM, GTK_STATE_SELECTED, wxGTK_BG);
-                gs_objects.m_colMenuItemHighlight = wxColour(gdkColor);
-            }
-            color = gs_objects.m_colMenuItemHighlight;
+            color = wxColor(MenuItemStyle()->bg[GTK_STATE_SELECTED]);

             break;
 
         case wxSYS_COLOUR_HOTLIGHT:
             break;
 
         case wxSYS_COLOUR_HOTLIGHT:


@@ -334,11 +228,12 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
 
         case wxSYS_COLOUR_MAX:
         default:
 
         case wxSYS_COLOUR_MAX:
         default:

-            wxFAIL_MSG( _T("unknown system colour index") );
+            wxFAIL_MSG( wxT("unknown system colour index") );

             color = *wxWHITE;
             break;
     }
 
             color = *wxWHITE;
             break;
     }
 

+    wxASSERT(color.IsOk());

     return color;
 }
 
     return color;
 }
 


@@ -357,89 +252,30 @@ wxFont wxSystemSettingsNative::GetFont( wxSystemFont index )
         case wxSYS_SYSTEM_FONT:
         case wxSYS_DEVICE_DEFAULT_FONT:
         case wxSYS_DEFAULT_GUI_FONT:
         case wxSYS_SYSTEM_FONT:
         case wxSYS_DEVICE_DEFAULT_FONT:
         case wxSYS_DEFAULT_GUI_FONT:

-            if (!gs_objects.m_fontSystem.Ok())
+            if (!gs_fontSystem.Ok())

             {
             {

-                GtkWidget *widget = gtk_button_new();
-                GtkStyle *def = gtk_rc_get_style( widget );
-                if ( !def || !def->font_desc )
-                    def = gtk_widget_get_default_style();
-                if ( def && def->font_desc )
-                {
-                    wxNativeFontInfo info;
-                    info.description =
-                        pango_font_description_copy(def->font_desc);
-                    gs_objects.m_fontSystem = wxFont(info);
-                }
-                else
-                {
-                    GtkSettings *settings = gtk_settings_get_default();
-                    gchar *font_name = NULL;
-                    g_object_get ( settings,
-                                   "gtk-font-name",
-                                   &font_name,
-                                   NULL);
-                    if (!font_name)
-                        gs_objects.m_fontSystem = wxFont( 12, wxSWISS, wxNORMAL, wxNORMAL );
-                    else
-                        gs_objects.m_fontSystem = wxFont(wxString::FromAscii(font_name));
-                    g_free (font_name);
-                }
-                gtk_object_sink((GtkObject*)widget);
+                wxNativeFontInfo info;
+                info.description = ButtonStyle()->font_desc;
+                gs_fontSystem = wxFont(info);
+
+                // (try to) heal the default font (on some common systems e.g. Ubuntu
+                // it's "Sans Serif" but the real font is called "Sans"):
+                if (!wxFontEnumerator::IsValidFacename(gs_fontSystem.GetFaceName()) &&
+                    gs_fontSystem.GetFaceName() == "Sans Serif")
+                    gs_fontSystem.SetFaceName("Sans");
+
+                info.description = NULL;

             }
             }

-            font = gs_objects.m_fontSystem;
+            font = gs_fontSystem;

             break;
 
         default:
             break;
     }
             break;
 
         default:
             break;
     }

-    return font;
-}

 
 

-static bool GetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom)
-{
-    bool success = false;
-    Atom property = 0;
-    if (gdk_x11_screen_supports_net_wm_hint(
-            gdk_drawable_get_screen(window),
-            gdk_atom_intern("_NET_FRAME_EXTENTS", false)))
-    {
-        success = true;
-        property = gdk_x11_get_xatom_by_name_for_display(
-            gdk_drawable_get_display(window),
-            "_NET_FRAME_EXTENTS");
-    }
+    wxASSERT(font.IsOk() && wxFontEnumerator::IsValidFacename(font.GetFaceName()));

 
 

-    if (success)
-    {
-        Atom type;
-        int format;
-        gulong nitems, bytes_after;
-        guchar* data;
-        success = XGetWindowProperty(
-            gdk_x11_drawable_get_xdisplay(window),
-            gdk_x11_drawable_get_xid(window),
-            property,
-            0, 4,
-            false,
-            XA_CARDINAL,
-            &type, &format, &nitems, &bytes_after, &data
-            ) == Success;
-        if (success)
-        {
-            success = data && nitems == 4;
-            if (success)
-            {
-                long* p = (long*)data;
-                if (left)   *left   = int(p[0]);
-                if (right)  *right  = int(p[1]);
-                if (top)    *top    = int(p[2]);
-                if (bottom) *bottom = int(p[3]);
-            }
-            if (data)
-                XFree(data);
-        }
-    }
-    return success;
+    return font;

 }
 
 // helper: return the GtkSettings either for the screen the current window is
 }
 
 // helper: return the GtkSettings either for the screen the current window is


@@ -450,6 +286,26 @@ static GtkSettings *GetSettingsForWindowScreen(GdkWindow *window)
                   : gtk_settings_get_default();
 }
 
                   : gtk_settings_get_default();
 }
 

+static int GetBorderWidth(wxSystemMetric index, wxWindow* win)
+{
+    if (win->m_wxwindow)
+    {
+        wxPizza* pizza = WX_PIZZA(win->m_wxwindow);
+        int x, y;
+        pizza->get_border_widths(x, y);
+        switch (index)
+        {
+            case wxSYS_BORDER_X:
+            case wxSYS_EDGE_X:
+            case wxSYS_FRAMESIZE_X:
+                return x;
+            default:
+                return y;
+        }
+    }
+    return -1;
+}
+

 int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win )
 {
     GdkWindow *window = NULL;
 int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win )
 {
     GdkWindow *window = NULL;


@@ -464,20 +320,18 @@ int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win )
         case wxSYS_EDGE_Y:
         case wxSYS_FRAMESIZE_X:
         case wxSYS_FRAMESIZE_Y:
         case wxSYS_EDGE_Y:
         case wxSYS_FRAMESIZE_X:
         case wxSYS_FRAMESIZE_Y:

-            // If a window is specified/realized, and it is a toplevel window, we can query from wm.
-            // The returned border thickness is outside the client area in that case.
-            if (window)
+            if (win)

             {
                 wxTopLevelWindow *tlw = wxDynamicCast(win, wxTopLevelWindow);
                 if (!tlw)
             {
                 wxTopLevelWindow *tlw = wxDynamicCast(win, wxTopLevelWindow);
                 if (!tlw)

-                    return -1; // not a tlw, not sure how to approach
-                else
+                    return GetBorderWidth(index, win);
+                else if (window)

                 {
                     // Get the frame extents from the windowmanager.
                     // In most cases the top extent is the titlebar, so we use the bottom extent
                     // for the heights.
                     int right, bottom;
                 {
                     // Get the frame extents from the windowmanager.
                     // In most cases the top extent is the titlebar, so we use the bottom extent
                     // for the heights.
                     int right, bottom;

-                    if (GetFrameExtents(window, NULL, &right, NULL, &bottom))
+                    if (wxGetFrameExtents(window, NULL, &right, NULL, &bottom))

                     {
                         switch (index)
                         {
                     {
                         switch (index)
                         {


@@ -563,7 +417,7 @@ int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win )
             // Reconsider when we have a way to report to the user on which side it is.
             {
                 int top;
             // Reconsider when we have a way to report to the user on which side it is.
             {
                 int top;

-                if (GetFrameExtents(window, NULL, NULL, &top, NULL))
+                if (wxGetFrameExtents(window, NULL, NULL, &top, NULL))

                 {
                     return top; // top frame extent
                 }
                 {
                     return top; // top frame extent
                 }