64 bit clean implementation

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

diff --git a/src/gtk/settings.cpp b/src/gtk/settings.cpp
index 99a09be81e00e29e858364f5b125506c836c4386..b36978475ac9b1b5949fe72ad61b5e1484518adc 100644 (file)
--- a/src/gtk/settings.cpp
+++ b/src/gtk/settings.cpp
@@ -1,30 +1,34 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        gtk/settings.cpp
+// Name:        src/gtk/settings.cpp

 // Purpose:
 // Author:      Robert Roebling
 // Purpose:
 // Author:      Robert Roebling

+// Modified by: Mart Raudsepp (GetMetric)

 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "settings.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #include "wx/settings.h"
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #include "wx/settings.h"

-#include "wx/debug.h"
-#include "wx/cmndata.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/cmndata.h"
+    #include "wx/toplevel.h"
+#endif
+

 #include "wx/fontutil.h"
 
 #include "wx/fontutil.h"
 

-#include <gdk/gdk.h>
-#include <gdk/gdkprivate.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>

 
 

-#define SHIFT (8*(sizeof(short int)-sizeof(char)))
+#include <X11/Xatom.h>

 
 // ----------------------------------------------------------------------------
 // wxSystemObjects
 
 // ----------------------------------------------------------------------------
 // wxSystemObjects


@@ -38,13 +42,34 @@ struct wxSystemObjects
              m_colHighlight,
              m_colHighlightText,
              m_colListBox,
              m_colHighlight,
              m_colHighlightText,
              m_colListBox,

-             m_colBtnText;
+             m_colWindow,
+             m_colWindowText,
+             m_colBtnText,
+             m_colMenuItemHighlight,
+             m_colTooltip,
+             m_colTooltipText;

 
     wxFont m_fontSystem;
 };
 
 static wxSystemObjects gs_objects;
 
 
     wxFont m_fontSystem;
 };
 
 static wxSystemObjects gs_objects;
 

+void wxClearGtkSystemObjects()
+{
+    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;
+}
+

 // ----------------------------------------------------------------------------
 // wxSystemSettings implementation
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxSystemSettings implementation
 // ----------------------------------------------------------------------------


@@ -53,7 +78,9 @@ static wxSystemObjects gs_objects;
 enum wxGtkWidgetType
 {
     wxGTK_BUTTON,
 enum wxGtkWidgetType
 {
     wxGTK_BUTTON,

-    wxGTK_LIST
+    wxGTK_LIST,
+    wxGTK_MENUITEM,
+    wxGTK_TEXTCTRL

 };
 
 // the colour we need
 };
 
 // the colour we need


@@ -65,8 +92,8 @@ enum wxGtkColourType
 };
 
 // wxSystemSettings::GetColour() helper: get the colours from a GTK+
 };
 
 // wxSystemSettings::GetColour() helper: get the colours from a GTK+

-// widget style, return true if we did get them, false to use defaults
-static bool GetColourFromGTKWidget(int& red, int& green, int& blue,
+// 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)
                                    wxGtkWidgetType type = wxGTK_BUTTON,
                                    GtkStateType state = GTK_STATE_NORMAL,
                                    wxGtkColourType colour = wxGTK_BG)


@@ -82,18 +109,26 @@ static bool GetColourFromGTKWidget(int& red, int& green, int& blue,
             widget = gtk_button_new();
             break;
 
             widget = gtk_button_new();
             break;
 

+        case wxGTK_TEXTCTRL:
+            widget = gtk_text_view_new();
+            break;
+

         case wxGTK_LIST:
         case wxGTK_LIST:

-            widget = gtk_list_new();
+            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();

     }
 
     GtkStyle *def = gtk_rc_get_style( widget );
     if ( !def )
         def = gtk_widget_get_default_style();
 
     }
 
     GtkStyle *def = gtk_rc_get_style( widget );
     if ( !def )
         def = gtk_widget_get_default_style();
 

-    bool ok;
-    if ( def )
+    const bool ok = def != NULL;
+    if (ok)

     {
     {

-        GdkColor *col;

         switch ( colour )
         {
             default:
         switch ( colour )
         {
             default:


@@ -101,41 +136,49 @@ static bool GetColourFromGTKWidget(int& red, int& green, int& blue,
                 // fall through
 
             case wxGTK_FG:
                 // fall through
 
             case wxGTK_FG:

-                col = def->fg;
+                gdkColor = def->fg[state];

                 break;
 
             case wxGTK_BG:
                 break;
 
             case wxGTK_BG:

-                col = def->bg;
+                gdkColor = def->bg[state];

                 break;
 
             case wxGTK_BASE:
                 break;
 
             case wxGTK_BASE:

-                col = def->base;
+                gdkColor = def->base[state];

                 break;
         }
                 break;
         }

-
-        red = col[state].red;
-        green = col[state].green;
-        blue = col[state].blue;
-
-        ok = TRUE;
-    }
-    else
-    {
-        ok = FALSE;

     }
 
     }
 

-    gtk_widget_destroy( widget );
+    gtk_object_sink((GtkObject*)widget);

 
     return ok;
 }
 
 
     return ok;
 }
 

+static void GetTooltipColors()
+{
+    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);
+}
+

 wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
 {
 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_ACTIVECAPTION:

         case wxSYS_COLOUR_INACTIVECAPTION:
         case wxSYS_COLOUR_MENU:
         case wxSYS_COLOUR_WINDOWFRAME:
         case wxSYS_COLOUR_INACTIVECAPTION:
         case wxSYS_COLOUR_MENU:
         case wxSYS_COLOUR_WINDOWFRAME:


@@ -146,25 +189,30 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
         case wxSYS_COLOUR_3DLIGHT:
             if (!gs_objects.m_colBtnFace.Ok())
             {
         case wxSYS_COLOUR_3DLIGHT:
             if (!gs_objects.m_colBtnFace.Ok())
             {

-                int red, green, blue;
-                if ( !GetColourFromGTKWidget(red, green, blue) )
-                {
-                    red =
-                    green = 0;
-                    blue = 0x9c40;
-                }
-
-                gs_objects.m_colBtnFace = wxColour( red   >> SHIFT,
-                                                   green >> SHIFT,
-                                                   blue  >> SHIFT );
+                gdkColor.red =
+                gdkColor.green = 0;
+                gdkColor.blue = 0x9c40;
+                GetColourFromGTKWidget(gdkColor);
+                gs_objects.m_colBtnFace = wxColor(gdkColor);

             }
             }

-            return gs_objects.m_colBtnFace;
+            color = gs_objects.m_colBtnFace;
+            break;

 
         case wxSYS_COLOUR_WINDOW:
 
         case wxSYS_COLOUR_WINDOW:

-            return *wxWHITE;
+            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;
+            break;

 
         case wxSYS_COLOUR_3DDKSHADOW:
 
         case wxSYS_COLOUR_3DDKSHADOW:

-            return *wxBLACK;
+            color = *wxBLACK;
+            break;

 
         case wxSYS_COLOUR_GRAYTEXT:
         case wxSYS_COLOUR_BTNSHADOW:
 
         case wxSYS_COLOUR_GRAYTEXT:
         case wxSYS_COLOUR_BTNSHADOW:


@@ -173,151 +221,161 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
             {
                 wxColour faceColour(GetColour(wxSYS_COLOUR_3DFACE));
                 gs_objects.m_colBtnShadow =
             {
                 wxColour faceColour(GetColour(wxSYS_COLOUR_3DFACE));
                 gs_objects.m_colBtnShadow =

-                   wxColour((unsigned char) (faceColour.Red() * 0.666),
-                            (unsigned char) (faceColour.Green() * 0.666),
-                            (unsigned char) (faceColour.Blue() * 0.666));
+                   wxColour((unsigned char) (faceColour.Red() * 2 / 3),
+                            (unsigned char) (faceColour.Green() * 2 / 3),
+                            (unsigned char) (faceColour.Blue() * 2 / 3));

             }
             }

-
-            return gs_objects.m_colBtnShadow;
+            color = gs_objects.m_colBtnShadow;
+            break;

 
         case wxSYS_COLOUR_3DHIGHLIGHT:
         //case wxSYS_COLOUR_BTNHIGHLIGHT:
 
         case wxSYS_COLOUR_3DHIGHLIGHT:
         //case wxSYS_COLOUR_BTNHIGHLIGHT:

-            return * wxWHITE;
+            color = *wxWHITE;
+            break;

 
         case wxSYS_COLOUR_HIGHLIGHT:
             if (!gs_objects.m_colHighlight.Ok())
             {
 
         case wxSYS_COLOUR_HIGHLIGHT:
             if (!gs_objects.m_colHighlight.Ok())
             {

-                int red, green, blue;
-                if ( !GetColourFromGTKWidget(red, green, blue,
-                                             wxGTK_BUTTON,
-                                             GTK_STATE_SELECTED) )
-                {
-                    red =
-                    green = 0;
-                    blue = 0x9c40;
-                }
-
-                gs_objects.m_colHighlight = wxColour( red   >> SHIFT,
-                                                        green >> SHIFT,
-                                                        blue  >> SHIFT );
+                gdkColor.red =
+                gdkColor.green = 0;
+                gdkColor.blue = 0x9c40;
+                GetColourFromGTKWidget(
+                    gdkColor, wxGTK_BUTTON, GTK_STATE_SELECTED);
+                gs_objects.m_colHighlight = wxColour(gdkColor);

             }
             }

-            return gs_objects.m_colHighlight;
+            color = gs_objects.m_colHighlight;
+            break;

 
         case wxSYS_COLOUR_LISTBOX:
             if (!gs_objects.m_colListBox.Ok())
             {
 
         case wxSYS_COLOUR_LISTBOX:
             if (!gs_objects.m_colListBox.Ok())
             {

-                int red, green, blue;
-                if ( GetColourFromGTKWidget(red, green, blue,
+                if ( GetColourFromGTKWidget(gdkColor,

                                             wxGTK_LIST,
                                             GTK_STATE_NORMAL,
                                             wxGTK_BASE) )
                 {
                                             wxGTK_LIST,
                                             GTK_STATE_NORMAL,
                                             wxGTK_BASE) )
                 {

-                    gs_objects.m_colListBox = wxColour( red   >> SHIFT,
-                                                          green >> SHIFT,
-                                                          blue  >> SHIFT );
+                    gs_objects.m_colListBox = wxColour(gdkColor);

                 }
                 else
                 {
                 }
                 else
                 {

-                    gs_objects.m_colListBox = wxColour(*wxWHITE);
+                    gs_objects.m_colListBox = *wxWHITE;

                 }
             }
                 }
             }

-            return gs_objects.m_colListBox;
+            color = gs_objects.m_colListBox;
+            break;

 
         case wxSYS_COLOUR_MENUTEXT:
         case wxSYS_COLOUR_WINDOWTEXT:
         case wxSYS_COLOUR_CAPTIONTEXT:
         case wxSYS_COLOUR_INACTIVECAPTIONTEXT:
         case wxSYS_COLOUR_BTNTEXT:
 
         case wxSYS_COLOUR_MENUTEXT:
         case wxSYS_COLOUR_WINDOWTEXT:
         case wxSYS_COLOUR_CAPTIONTEXT:
         case wxSYS_COLOUR_INACTIVECAPTIONTEXT:
         case wxSYS_COLOUR_BTNTEXT:

-        case wxSYS_COLOUR_INFOTEXT:

             if (!gs_objects.m_colBtnText.Ok())
             {
             if (!gs_objects.m_colBtnText.Ok())
             {

-                int red, green, blue;
-                if ( !GetColourFromGTKWidget(red, green, blue,
-                                             wxGTK_BUTTON,
-                                             GTK_STATE_NORMAL,
-                                             wxGTK_FG) )
-                {
-                    red =
-                    green =
-                    blue = 0;
-                }
-
-                gs_objects.m_colBtnText = wxColour( red   >> SHIFT,
-                                                      green >> SHIFT,
-                                                      blue  >> SHIFT );
+                gdkColor.red =
+                gdkColor.green =
+                gdkColor.blue = 0;
+                GetColourFromGTKWidget(
+                    gdkColor, wxGTK_BUTTON, GTK_STATE_NORMAL, wxGTK_FG);
+                gs_objects.m_colBtnText = wxColour(gdkColor);

             }
             }

-            return gs_objects.m_colBtnText;
+            color = gs_objects.m_colBtnText;
+            break;

 
 

-            // this (as well as wxSYS_COLOUR_INFOTEXT above) is used for
-            // tooltip windows - Robert, please change this code to use the
-            // real GTK tooltips when/if you can (TODO)

         case wxSYS_COLOUR_INFOBK:
         case wxSYS_COLOUR_INFOBK:

-            return wxColour(255, 255, 225);
+            if (!gs_objects.m_colTooltip.Ok()) {
+                GetTooltipColors();
+            }
+            color = gs_objects.m_colTooltip;
+            break;
+
+        case wxSYS_COLOUR_INFOTEXT:
+            if (!gs_objects.m_colTooltipText.Ok()) {
+                GetTooltipColors();
+            }
+            color = gs_objects.m_colTooltipText;
+            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)
 
         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 = wxColour(*wxBLACK);
+                    gs_objects.m_colHighlightText = *wxBLACK;

                 else
                 else

-                    gs_objects.m_colHighlightText = wxColour(*wxWHITE);
+                    gs_objects.m_colHighlightText = *wxWHITE;

             }
             }

-            return gs_objects.m_colHighlightText;
+            color = gs_objects.m_colHighlightText;
+            break;

 
         case wxSYS_COLOUR_APPWORKSPACE:
 
         case wxSYS_COLOUR_APPWORKSPACE:

-            return *wxWHITE;    // ?
+            color = *wxWHITE;    // ?
+            break;
+
+        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;
+            break;

 
         case wxSYS_COLOUR_HOTLIGHT:
         case wxSYS_COLOUR_GRADIENTACTIVECAPTION:
         case wxSYS_COLOUR_GRADIENTINACTIVECAPTION:
 
         case wxSYS_COLOUR_HOTLIGHT:
         case wxSYS_COLOUR_GRADIENTACTIVECAPTION:
         case wxSYS_COLOUR_GRADIENTINACTIVECAPTION:

-        case wxSYS_COLOUR_MENUHILIGHT:

             // TODO
             // TODO

-            return *wxBLACK;
+            color = *wxBLACK;
+            break;

 
         case wxSYS_COLOUR_MAX:
         default:
             wxFAIL_MSG( _T("unknown system colour index") );
 
         case wxSYS_COLOUR_MAX:
         default:
             wxFAIL_MSG( _T("unknown system colour index") );

-  }
+            color = *wxWHITE;
+            break;
+    }

 
 

-  return *wxWHITE;
+    return color;

 }
 
 wxFont wxSystemSettingsNative::GetFont( wxSystemFont index )
 {
 }
 
 wxFont wxSystemSettingsNative::GetFont( wxSystemFont index )
 {

+    wxFont font;

     switch (index)
     {
         case wxSYS_OEM_FIXED_FONT:
         case wxSYS_ANSI_FIXED_FONT:
         case wxSYS_SYSTEM_FIXED_FONT:
     switch (index)
     {
         case wxSYS_OEM_FIXED_FONT:
         case wxSYS_ANSI_FIXED_FONT:
         case wxSYS_SYSTEM_FIXED_FONT:

-        {
-            return *wxNORMAL_FONT;
-        }
+            font = *wxNORMAL_FONT;
+            break;
+

         case wxSYS_ANSI_VAR_FONT:
         case wxSYS_SYSTEM_FONT:
         case wxSYS_DEVICE_DEFAULT_FONT:
         case wxSYS_DEFAULT_GUI_FONT:
         case wxSYS_ANSI_VAR_FONT:
         case wxSYS_SYSTEM_FONT:
         case wxSYS_DEVICE_DEFAULT_FONT:
         case wxSYS_DEFAULT_GUI_FONT:

-        {

             if (!gs_objects.m_fontSystem.Ok())
             {
             if (!gs_objects.m_fontSystem.Ok())
             {

-#ifdef __WXGTK20__

                 GtkWidget *widget = gtk_button_new();
                 GtkStyle *def = gtk_rc_get_style( widget );
                 if ( !def || !def->font_desc )
                 GtkWidget *widget = gtk_button_new();
                 GtkStyle *def = gtk_rc_get_style( widget );
                 if ( !def || !def->font_desc )

-                    def = gtk_widget_get_default_style();  
+                    def = gtk_widget_get_default_style();

                 if ( def && def->font_desc )
                 if ( def && def->font_desc )

-                {  
-                    wxNativeFontInfo info;  
-                    info.description = 
+                {
+                    wxNativeFontInfo info;
+                    info.description =

                         pango_font_description_copy(def->font_desc);
                         pango_font_description_copy(def->font_desc);

-                    gs_objects.m_fontSystem = wxFont(info);  
-                }  
-                else  
-                {  
+                    gs_objects.m_fontSystem = wxFont(info);
+                }
+                else
+                {

                     GtkSettings *settings = gtk_settings_get_default();
                     gchar *font_name = NULL;
                     g_object_get ( settings,
                     GtkSettings *settings = gtk_settings_get_default();
                     gchar *font_name = NULL;
                     g_object_get ( settings,

-                                   "gtk-font-name", 
+                                   "gtk-font-name",

                                    &font_name,
                                    NULL);
                     if (!font_name)
                                    &font_name,
                                    NULL);
                     if (!font_name)


@@ -325,61 +383,202 @@ wxFont wxSystemSettingsNative::GetFont( wxSystemFont index )
                     else
                         gs_objects.m_fontSystem = wxFont(wxString::FromAscii(font_name));
                     g_free (font_name);
                     else
                         gs_objects.m_fontSystem = wxFont(wxString::FromAscii(font_name));
                     g_free (font_name);

-                }  
-                gtk_widget_destroy( widget );
-#else
-                gs_objects.m_fontSystem = wxFont( 12, wxSWISS, wxNORMAL, wxNORMAL );
-#endif
+                }
+                gtk_object_sink((GtkObject*)widget);

             }
             }

-            return gs_objects.m_fontSystem;
-        }
+            font = gs_objects.m_fontSystem;
+            break;

 
         default:
 
         default:

-            return wxNullFont;
+            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");
+    }
+
+    if (success)
+    {
+        Atom type;
+        int format;
+        gulong nitems, bytes_after;
+        long* data = NULL;
+        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, (guchar**)&data
+            ) == Success;
+        if (success)
+        {
+            success = data && nitems == 4;
+            if (success)
+            {
+                if (left)   *left   = int(data[0]);
+                if (right)  *right  = int(data[1]);
+                if (top)    *top    = int(data[2]);
+                if (bottom) *bottom = int(data[3]);
+            }
+            if (data)
+                XFree(data);
+        }
+    }
+    return success;
+}
+
+// helper: return the GtkSettings either for the screen the current window is
+// on or for the default screen if window is NULL
+static GtkSettings *GetSettingsForWindowScreen(GdkWindow *window)
+{
+    return window ? gtk_settings_get_for_screen(gdk_drawable_get_screen(window))
+                  : gtk_settings_get_default();

 }
 
 }
 

-int wxSystemSettingsNative::GetMetric( wxSystemMetric index )
+int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win )

 {
 {

+    GdkWindow *window = NULL;
+    if(win && GTK_WIDGET_REALIZED(win->GetHandle()))
+        window = win->GetHandle()->window;
+

     switch (index)
     {
     switch (index)
     {

-        case wxSYS_SCREEN_X:   return gdk_screen_width();
-        case wxSYS_SCREEN_Y:   return gdk_screen_height();
-        case wxSYS_HSCROLL_Y:  return 15;
-        case wxSYS_VSCROLL_X:  return 15;
+        case wxSYS_BORDER_X:
+        case wxSYS_BORDER_Y:
+        case wxSYS_EDGE_X:
+        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)
+            {
+                wxTopLevelWindow *tlw = wxDynamicCast(win, wxTopLevelWindow);
+                if (!tlw)
+                    return -1; // not a tlw, not sure how to approach
+                else
+                {
+                    // 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))
+                    {
+                        switch (index)
+                        {
+                            case wxSYS_BORDER_X:
+                            case wxSYS_EDGE_X:
+                            case wxSYS_FRAMESIZE_X:
+                                return right; // width of right extent
+                            default:
+                                return bottom; // height of bottom extent
+                        }
+                    }
+                }
+            }
+
+            return -1; // no window specified
+
+        case wxSYS_CURSOR_X:
+        case wxSYS_CURSOR_Y:
+                return gdk_display_get_default_cursor_size(
+                            window ? gdk_drawable_get_display(window)
+                                   : gdk_display_get_default());

 
 

-#if defined(__WXGTK20__) && GTK_CHECK_VERSION(2, 4, 0)

         case wxSYS_DCLICK_X:
         case wxSYS_DCLICK_Y:
             gint dclick_distance;
         case wxSYS_DCLICK_X:
         case wxSYS_DCLICK_Y:
             gint dclick_distance;

-            g_object_get(gtk_settings_get_default(), "gtk-double-click-distance", &dclick_distance, NULL);
+            g_object_get(GetSettingsForWindowScreen(window),
+                            "gtk-double-click-distance", &dclick_distance, NULL);
+

             return dclick_distance * 2;
             return dclick_distance * 2;

-#endif

 
 

-#if defined(__WXGTK20__)
+        case wxSYS_DCLICK_MSEC:
+            gint dclick;
+            g_object_get(GetSettingsForWindowScreen(window),
+                            "gtk-double-click-time", &dclick, NULL);
+            return dclick;
+

         case wxSYS_DRAG_X:
         case wxSYS_DRAG_Y:
             gint drag_threshold;
         case wxSYS_DRAG_X:
         case wxSYS_DRAG_Y:
             gint drag_threshold;

-            g_object_get(gtk_settings_get_default(), "gtk-dnd-drag-threshold", &drag_threshold, NULL);
-            return drag_threshold * 2;
-#endif
+            g_object_get(GetSettingsForWindowScreen(window),
+                            "gtk-dnd-drag-threshold", &drag_threshold, NULL);
+
+            // The correct thing here would be to double the value
+            // since that is what the API wants. But the values
+            // are much bigger under GNOME than under Windows and
+            // just seem to much in many cases to be useful.
+            // drag_threshold *= 2;
+
+            return drag_threshold;
+
+        case wxSYS_ICON_X:
+        case wxSYS_ICON_Y:
+            return 32;
+
+        case wxSYS_SCREEN_X:
+            if (window)
+                return gdk_screen_get_width(gdk_drawable_get_screen(window));
+            else
+                return gdk_screen_width();
+
+        case wxSYS_SCREEN_Y:
+            if (window)
+                return gdk_screen_get_height(gdk_drawable_get_screen(window));
+            else
+                return gdk_screen_height();
+
+        case wxSYS_HSCROLL_Y:
+        case wxSYS_VSCROLL_X:
+            return 15;
+
+        case wxSYS_CAPTION_Y:
+            if (!window)
+                // No realized window specified, and no implementation for that case yet.
+                return -1;
+
+            wxASSERT_MSG( wxDynamicCast(win, wxTopLevelWindow),
+                          wxT("Asking for caption height of a non toplevel window") );
+
+            // Get the height of the top windowmanager border.
+            // This is the titlebar in most cases. The titlebar might be elsewhere, and
+            // we could check which is the thickest wm border to decide on which side the
+            // titlebar is, but this might lead to interesting behaviours in used code.
+            // 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))
+                {
+                    return top; // top frame extent
+                }
+            }

 
 

-        // VZ: is there any way to get the cursor size with GDK?
-        // Mart Raudsepp: Yes, there is a way to get the default cursor size for a display ever since GDK 2.4
-#if defined(__WXGTK20__) && GTK_CHECK_VERSION(2, 4, 0)
-        case wxSYS_CURSOR_X:
-        case wxSYS_CURSOR_Y:
-            return gdk_display_get_default_cursor_size(gdk_display_get_default());
-#else
-        case wxSYS_CURSOR_X:   return 16;
-        case wxSYS_CURSOR_Y:   return 16;
-#endif
-        // MBN: ditto for icons
-        case wxSYS_ICON_X:     return 32;
-        case wxSYS_ICON_Y:     return 32;
-        default:               
-            wxFAIL_MSG( wxT("wxSystemSettings::GetMetric not fully implemented") );
+            // Try a default approach without a window pointer, if possible
+            // ...
+
+            return -1;
+
+        case wxSYS_PENWINDOWS_PRESENT:
+            // No MS Windows for Pen computing extension available in X11 based gtk+.

             return 0;
             return 0;

+
+        default:
+            return -1;   // metric is unknown

     }
 }
 
     }
 }
 


@@ -387,13 +586,13 @@ bool wxSystemSettingsNative::HasFeature(wxSystemFeature index)
 {
     switch (index)
     {
 {
     switch (index)
     {

-        case wxSYS_CAN_ICONIZE_FRAME: 
-            return FALSE; 
-            break;
+        case wxSYS_CAN_ICONIZE_FRAME:
+            return false;
+

         case wxSYS_CAN_DRAW_FRAME_DECORATIONS:
         case wxSYS_CAN_DRAW_FRAME_DECORATIONS:

-            return TRUE; 
-            break;
+            return true;
+

         default:
         default:

-            return FALSE;
+            return false;

     }
 }
     }
 }