]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk1/settings.cpp
SetLabel() no longer invalidates the font which
[wxWidgets.git] / src / gtk1 / settings.cpp
index 5bcfff6c21d80f697ce7d32faa0ba4f0ccc50564..dede98aa35db0ab6138c54234bfeac719a873d84 100644 (file)
@@ -8,14 +8,17 @@
 /////////////////////////////////////////////////////////////////////////////
 
 
-#ifdef __GNUG__
+#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"
 #include "wx/debug.h"
-#include "wx/module.h"
 #include "wx/cmndata.h"
+#include "wx/fontutil.h"
 
 #include <gdk/gdk.h>
 #include <gdk/gdkprivate.h>
 
 #define SHIFT (8*(sizeof(short int)-sizeof(char)))
 
-//wxColour *g_systemWinColour          = (wxColour *) NULL;
-wxColour *g_systemBtnFaceColour       = (wxColour *) NULL;
-wxColour *g_systemBtnShadowColour     = (wxColour *) NULL;
-wxColour *g_systemBtnHighlightColour  = (wxColour *) NULL;
-wxColour *g_systemHighlightColour     = (wxColour *) NULL;
-wxColour *g_systemHighlightTextColour = (wxColour *) NULL;
-wxColour *g_systemListBoxColour       = (wxColour *) NULL;
-wxColour *g_systemBtnTextColour       = (wxColour *) NULL;
-
-wxFont *g_systemFont = (wxFont *) NULL;
-
 // ----------------------------------------------------------------------------
-// wxSystemSettingsModule
+// wxSystemObjects
 // ----------------------------------------------------------------------------
 
-class wxSystemSettingsModule : public wxModule
+struct wxSystemObjects
 {
-public:
-    bool OnInit() { return TRUE; }
-    void OnExit()
-    {
-        //delete g_systemWinColour;
-        delete g_systemBtnFaceColour;
-        delete g_systemBtnShadowColour;
-        delete g_systemBtnHighlightColour;
-        delete g_systemHighlightColour;
-        delete g_systemHighlightTextColour;
-        delete g_systemListBoxColour;
-        delete g_systemFont;
-        delete g_systemBtnTextColour;
-    }
-    DECLARE_DYNAMIC_CLASS(wxSystemSettingsModule)
+    wxColour m_colBtnFace,
+             m_colBtnShadow,
+             m_colBtnHighlight,
+             m_colHighlight,
+             m_colHighlightText,
+             m_colListBox,
+             m_colBtnText,
+             m_colMenuItemHighlight;
+
+    wxFont m_fontSystem;
 };
 
-IMPLEMENT_DYNAMIC_CLASS(wxSystemSettingsModule, wxModule)
+static wxSystemObjects gs_objects;
 
 // ----------------------------------------------------------------------------
 // wxSystemSettings implementation
@@ -67,7 +54,8 @@ IMPLEMENT_DYNAMIC_CLASS(wxSystemSettingsModule, wxModule)
 enum wxGtkWidgetType
 {
     wxGTK_BUTTON,
-    wxGTK_LIST
+    wxGTK_LIST,
+    wxGTK_MENUITEM
 };
 
 // the colour we need
@@ -98,6 +86,9 @@ static bool GetColourFromGTKWidget(int& red, int& green, int& blue,
 
         case wxGTK_LIST:
             widget = gtk_list_new();
+       
+        case wxGTK_MENUITEM:
+            widget = gtk_menu_item_new();
     }
 
     GtkStyle *def = gtk_rc_get_style( widget );
@@ -149,7 +140,6 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour 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:
@@ -158,7 +148,7 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
         case wxSYS_COLOUR_BTNFACE:
         case wxSYS_COLOUR_MENUBAR:
         case wxSYS_COLOUR_3DLIGHT:
-            if (!g_systemBtnFaceColour)
+            if (!gs_objects.m_colBtnFace.Ok())
             {
                 int red, green, blue;
                 if ( !GetColourFromGTKWidget(red, green, blue) )
@@ -168,11 +158,11 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
                     blue = 0x9c40;
                 }
 
-                g_systemBtnFaceColour = new wxColour( red   >> SHIFT,
-                                                      green >> SHIFT,
-                                                      blue  >> SHIFT );
+                gs_objects.m_colBtnFace = wxColour( red   >> SHIFT,
+                                                   green >> SHIFT,
+                                                   blue  >> SHIFT );
             }
-            return *g_systemBtnFaceColour;
+            return gs_objects.m_colBtnFace;
 
         case wxSYS_COLOUR_WINDOW:
             return *wxWHITE;
@@ -183,35 +173,23 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
         case wxSYS_COLOUR_GRAYTEXT:
         case wxSYS_COLOUR_BTNSHADOW:
         //case wxSYS_COLOUR_3DSHADOW:
-            if (!g_systemBtnShadowColour)
+            if (!gs_objects.m_colBtnShadow.Ok())
             {
                 wxColour faceColour(GetColour(wxSYS_COLOUR_3DFACE));
-                g_systemBtnShadowColour =
-                   new wxColour((unsigned char) (faceColour.Red() * 0.666),
-                                (unsigned char) (faceColour.Green() * 0.666),
-                                (unsigned char) (faceColour.Blue() * 0.666));
+                gs_objects.m_colBtnShadow =
+                   wxColour((unsigned char) (faceColour.Red() * 0.666),
+                            (unsigned char) (faceColour.Green() * 0.666),
+                            (unsigned char) (faceColour.Blue() * 0.666));
             }
 
-            return *g_systemBtnShadowColour;
+            return gs_objects.m_colBtnShadow;
 
         case wxSYS_COLOUR_3DHIGHLIGHT:
         //case wxSYS_COLOUR_BTNHIGHLIGHT:
             return * wxWHITE;
-/* I think this should normally be white (JACS 8/2000)
-
-   Hmm, I'm quite sure it shouldn't ... (VZ 20.08.01)
-            if (!g_systemBtnHighlightColour)
-            {
-                g_systemBtnHighlightColour =
-                    new wxColour( 0xea60 >> SHIFT,
-                                  0xea60 >> SHIFT,
-                                  0xea60 >> SHIFT );
-            }
-            return *g_systemBtnHighlightColour;
-*/
 
         case wxSYS_COLOUR_HIGHLIGHT:
-            if (!g_systemHighlightColour)
+            if (!gs_objects.m_colHighlight.Ok())
             {
                 int red, green, blue;
                 if ( !GetColourFromGTKWidget(red, green, blue,
@@ -223,14 +201,14 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
                     blue = 0x9c40;
                 }
 
-                g_systemHighlightColour = new wxColour( red   >> SHIFT,
+                gs_objects.m_colHighlight = wxColour( red   >> SHIFT,
                                                         green >> SHIFT,
                                                         blue  >> SHIFT );
             }
-            return *g_systemHighlightColour;
+            return gs_objects.m_colHighlight;
 
         case wxSYS_COLOUR_LISTBOX:
-            if (!g_systemListBoxColour)
+            if (!gs_objects.m_colListBox.Ok())
             {
                 int red, green, blue;
                 if ( GetColourFromGTKWidget(red, green, blue,
@@ -238,16 +216,16 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
                                             GTK_STATE_NORMAL,
                                             wxGTK_BASE) )
                 {
-                    g_systemListBoxColour = new wxColour( red   >> SHIFT,
+                    gs_objects.m_colListBox = wxColour( red   >> SHIFT,
                                                           green >> SHIFT,
                                                           blue  >> SHIFT );
                 }
                 else
                 {
-                    g_systemListBoxColour = new wxColour(*wxWHITE);
+                    gs_objects.m_colListBox = wxColour(*wxWHITE);
                 }
             }
-            return *g_systemListBoxColour;
+            return gs_objects.m_colListBox;
 
         case wxSYS_COLOUR_MENUTEXT:
         case wxSYS_COLOUR_WINDOWTEXT:
@@ -255,7 +233,7 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
         case wxSYS_COLOUR_INACTIVECAPTIONTEXT:
         case wxSYS_COLOUR_BTNTEXT:
         case wxSYS_COLOUR_INFOTEXT:
-            if (!g_systemBtnTextColour)
+            if (!gs_objects.m_colBtnText.Ok())
             {
                 int red, green, blue;
                 if ( !GetColourFromGTKWidget(red, green, blue,
@@ -268,11 +246,11 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
                     blue = 0;
                 }
 
-                g_systemBtnTextColour = new wxColour( red   >> SHIFT,
+                gs_objects.m_colBtnText = wxColour( red   >> SHIFT,
                                                       green >> SHIFT,
                                                       blue  >> SHIFT );
             }
-            return *g_systemBtnTextColour;
+            return gs_objects.m_colBtnText;
 
             // this (as well as wxSYS_COLOUR_INFOTEXT above) is used for
             // tooltip windows - Robert, please change this code to use the
@@ -281,23 +259,43 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
             return wxColour(255, 255, 225);
 
         case wxSYS_COLOUR_HIGHLIGHTTEXT:
-            if (!g_systemHighlightTextColour)
+            if (!gs_objects.m_colHighlightText.Ok())
             {
                 wxColour hclr = GetColour(wxSYS_COLOUR_HIGHLIGHT);
                 if (hclr.Red() > 200 && hclr.Green() > 200 && hclr.Blue() > 200)
-                    g_systemHighlightTextColour = new wxColour(*wxBLACK);
+                    gs_objects.m_colHighlightText = wxColour(*wxBLACK);
                 else
-                    g_systemHighlightTextColour = new wxColour(*wxWHITE);
+                    gs_objects.m_colHighlightText = wxColour(*wxWHITE);
             }
-            return *g_systemHighlightTextColour;
+            return gs_objects.m_colHighlightText;
 
         case wxSYS_COLOUR_APPWORKSPACE:
             return *wxWHITE;    // ?
 
+        case wxSYS_COLOUR_ACTIVECAPTION:
+        case wxSYS_COLOUR_MENUHILIGHT:
+            if (!gs_objects.m_colMenuItemHighlight.Ok())
+            {
+                int red, green, blue;
+                if ( !GetColourFromGTKWidget(red, green, blue,
+                                             wxGTK_MENUITEM,
+                                             GTK_STATE_SELECTED,
+                                             wxGTK_BG) )
+                {
+                    red =
+                    green =
+                    blue = 0;
+                }
+
+                gs_objects.m_colMenuItemHighlight = wxColour( red  >> SHIFT,
+                                                              green >> SHIFT,
+                                                              blue  >> SHIFT );
+            }
+            return gs_objects.m_colMenuItemHighlight;
+
         case wxSYS_COLOUR_HOTLIGHT:
         case wxSYS_COLOUR_GRADIENTACTIVECAPTION:
         case wxSYS_COLOUR_GRADIENTINACTIVECAPTION:
-        case wxSYS_COLOUR_MENUHILIGHT:
             // TODO
             return *wxBLACK;
 
@@ -324,12 +322,40 @@ wxFont wxSystemSettingsNative::GetFont( wxSystemFont index )
         case wxSYS_DEVICE_DEFAULT_FONT:
         case wxSYS_DEFAULT_GUI_FONT:
         {
-            if (!g_systemFont)
+            if (!gs_objects.m_fontSystem.Ok())
             {
-                g_systemFont = new wxFont( 12, wxSWISS, wxNORMAL, wxNORMAL );
-
+#ifdef __WXGTK20__
+                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_widget_destroy( widget );
+#else
+                gs_objects.m_fontSystem = wxFont( 12, wxSWISS, wxNORMAL, wxNORMAL );
+#endif
             }
-            return *g_systemFont;
+            return gs_objects.m_fontSystem;
         }
 
         default:
@@ -346,13 +372,37 @@ int wxSystemSettingsNative::GetMetric( wxSystemMetric index )
         case wxSYS_HSCROLL_Y:  return 15;
         case wxSYS_VSCROLL_X:  return 15;
 
+#if defined(__WXGTK20__) && GTK_CHECK_VERSION(2, 4, 0)
+        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);
+            return dclick_distance * 2;
+#endif
+
+#if defined(__WXGTK20__)
+        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
+
         // 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") );
-            return 0;
+            return -1;   // metric is unknown
     }
 }