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export statement added
[wxWidgets.git] / src / gtk1 / settings.cpp
diff --git a/src/gtk1/settings.cpp b/src/gtk1/settings.cpp
index 7e5bd7e7db57bc721c0902ebbee9af631b123cb3..76a1b0565d67c2ba023a5d2f886d3c758109a4fa 100644 (file)
--- a/src/gtk1/settings.cpp
+++ b/src/gtk1/settings.cpp
@@ -1,10 +1,10 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////
-// Name:        settings.cpp
+// Name:        gtk/settings.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
-// Licence:    wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 
 /////////////////////////////////////////////////////////////////////////////
 
 
@@ -14,16 +14,13 @@
 
 #include "wx/settings.h"
 #include "wx/debug.h"
 
 #include "wx/settings.h"
 #include "wx/debug.h"
-
+#include "wx/module.h"
 #include "wx/cmndata.h"
 
 #include <gdk/gdk.h>
 #include <gdk/gdkprivate.h>
 #include <gtk/gtk.h>
 
 #include "wx/cmndata.h"
 
 #include <gdk/gdk.h>
 #include <gdk/gdkprivate.h>
 #include <gtk/gtk.h>
 
-extern GdkFont *GtkGetDefaultGuiFont();
-
-
 /*
 #define wxSYS_COLOUR_SCROLLBAR         0
 #define wxSYS_COLOUR_BACKGROUND        1
 /*
 #define wxSYS_COLOUR_SCROLLBAR         0
 #define wxSYS_COLOUR_BACKGROUND        1
@@ -73,20 +70,116 @@ wxColour *g_systemBtnTextColour       = (wxColour *) NULL;
 
 wxFont *g_systemFont = (wxFont *) NULL;
 
 
 wxFont *g_systemFont = (wxFont *) NULL;
 
-void wxSystemSettings::Done() 
+// ----------------------------------------------------------------------------
+// wxSystemSettingsModule
+// ----------------------------------------------------------------------------
+
+class wxSystemSettingsModule : public wxModule
 {
 {
-//    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;
+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)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxSystemSettingsModule, wxModule)
+
+// ----------------------------------------------------------------------------
+// wxSystemSettings implementation
+// ----------------------------------------------------------------------------
+
+// kind of widget to use in GetColourFromGTKWidget
+enum wxGtkWidgetType
+{
+    wxGTK_BUTTON,
+    wxGTK_LIST
+};
+
+// 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, false to use defaults
+static bool GetColourFromGTKWidget(int& red, int& green, int& blue,
+                                   wxGtkWidgetType type = wxGTK_BUTTON,
+                                   GtkStateType state = GTK_STATE_NORMAL,
+                                   wxGtkColourType colour = wxGTK_BG)
+{
+    GtkWidget *widget;
+    switch ( type )
+    {
+        default:
+            wxFAIL_MSG( _T("unexpected GTK widget type") );
+            // fall through
+
+        case wxGTK_BUTTON:
+            widget = gtk_button_new();
+            break;
+
+        case wxGTK_LIST:
+            widget = gtk_list_new();
+    }
+
+    GtkStyle *def = gtk_rc_get_style( widget );
+    if ( !def )
+        def = gtk_widget_get_default_style();
+
+    bool ok;
+    if ( def )
+    {
+        GdkColor *col;
+        switch ( colour )
+        {
+            default:
+                wxFAIL_MSG( _T("unexpected GTK colour type") );
+                // fall through
+
+            case wxGTK_FG:
+                col = def->fg;
+                break;
+
+            case wxGTK_BG:
+                col = def->bg;
+                break;
+
+            case wxGTK_BASE:
+                col = def->base;
+                break;
+        }
+
+        red = col[state].red;
+        green = col[state].green;
+        blue = col[state].blue;
+
+        ok = TRUE;
+    }
+    else
+    {
+        ok = FALSE;
+    }
+
+    gtk_widget_destroy( widget );
+
+    return ok;
 }
 
 }
 
-wxColour wxSystemSettings::GetSystemColour( int index )
+wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
 {
     switch (index)
     {
 {
     switch (index)
     {
@@ -100,199 +193,142 @@ wxColour wxSystemSettings::GetSystemColour( int index )
         case wxSYS_COLOUR_INACTIVEBORDER:
         case wxSYS_COLOUR_BTNFACE:
         case wxSYS_COLOUR_3DLIGHT:
         case wxSYS_COLOUR_INACTIVEBORDER:
         case wxSYS_COLOUR_BTNFACE:
         case wxSYS_COLOUR_3DLIGHT:
-        {
             if (!g_systemBtnFaceColour)
             {
             if (!g_systemBtnFaceColour)
             {
-                GtkWidget *widget = gtk_button_new();
-                GtkStyle *def = gtk_rc_get_style( widget );
-                if (!def)
-                    def = gtk_widget_get_default_style();
-                if (def)
-                {
-                    int red = def->bg[GTK_STATE_NORMAL].red;
-                    int green = def->bg[GTK_STATE_NORMAL].green;
-                    int blue = def->bg[GTK_STATE_NORMAL].blue;
-                    g_systemBtnFaceColour = 
-                           new wxColour( red    >> SHIFT,
-                                         green  >> SHIFT,
-                                                 blue   >> SHIFT );
-                }
-                else
+                int red, green, blue;
+                if ( !GetColourFromGTKWidget(red, green, blue) )
                 {
                 {
-                    g_systemBtnFaceColour = 
-                           new wxColour( 0      >> SHIFT,
-                                         0      >> SHIFT,
-                                                 0x9c40 >> SHIFT );
+                    red =
+                    green = 0;
+                    blue = 0x9c40;
                 }
                 }
-                gtk_widget_destroy( widget );
 
 
+                g_systemBtnFaceColour = new wxColour( red   >> SHIFT,
+                                                      green >> SHIFT,
+                                                      blue  >> SHIFT );
             }
             return *g_systemBtnFaceColour;
             }
             return *g_systemBtnFaceColour;
-           /*
-            if (!g_systemBtnFaceColour)
-            {
-                g_systemBtnFaceColour = 
-                       new wxColour( 0xd6d6 >> SHIFT,
-                                     0xd6d6 >> SHIFT,
-                                             0xd6d6 >> SHIFT );
-            }
-            return *g_systemBtnFaceColour;
-           */
-        }
+
         case wxSYS_COLOUR_WINDOW:
         case wxSYS_COLOUR_WINDOW:
-        {
             return *wxWHITE;
             return *wxWHITE;
-        }
+
         case wxSYS_COLOUR_3DDKSHADOW:
         case wxSYS_COLOUR_3DDKSHADOW:
-        {
             return *wxBLACK;
             return *wxBLACK;
-        }
+
         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 (!g_systemBtnShadowColour)
             {
             if (!g_systemBtnShadowColour)
             {
-                wxColour faceColour(GetSystemColour(wxSYS_COLOUR_3DFACE));
+                wxColour faceColour(GetColour(wxSYS_COLOUR_3DFACE));
                 g_systemBtnShadowColour =
                 g_systemBtnShadowColour =
-                   new wxColour(faceColour.Red() * 0.666,
-                                faceColour.Green() * 0.666,
-                                faceColour.Blue() * 0.666);
-           }
-  /*
-            if (!g_systemBtnShadowColour)
-            {
-                g_systemBtnShadowColour = 
-                       new wxColour( 0x7530 >> SHIFT,
-                                     0x7530 >> SHIFT,
-                                             0x7530 >> SHIFT );
+                   new wxColour((unsigned char) (faceColour.Red() * 0.666),
+                                (unsigned char) (faceColour.Green() * 0.666),
+                                (unsigned char) (faceColour.Blue() * 0.666));
             }
             }
-  */
+
             return *g_systemBtnShadowColour;
             return *g_systemBtnShadowColour;
-        }
+
         case wxSYS_COLOUR_3DHIGHLIGHT:
         //case wxSYS_COLOUR_BTNHIGHLIGHT:
         case wxSYS_COLOUR_3DHIGHLIGHT:
         //case wxSYS_COLOUR_BTNHIGHLIGHT:
-        {
             return * wxWHITE;
 /* I think this should normally be white (JACS 8/2000)
             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)
             {
             if (!g_systemBtnHighlightColour)
             {
-                g_systemBtnHighlightColour = 
-                       new wxColour( 0xea60 >> SHIFT,
-                                     0xea60 >> SHIFT,
-                                             0xea60 >> SHIFT );
+                g_systemBtnHighlightColour =
+                    new wxColour( 0xea60 >> SHIFT,
+                                  0xea60 >> SHIFT,
+                                  0xea60 >> SHIFT );
             }
             return *g_systemBtnHighlightColour;
 */
             }
             return *g_systemBtnHighlightColour;
 */
-        }
+
         case wxSYS_COLOUR_HIGHLIGHT:
         case wxSYS_COLOUR_HIGHLIGHT:
-        {
             if (!g_systemHighlightColour)
             {
             if (!g_systemHighlightColour)
             {
-                GtkWidget *widget = gtk_button_new();
-                GtkStyle *def = gtk_rc_get_style( widget );
-                if (!def)
-                    def = gtk_widget_get_default_style();
-                if (def)
-                {
-                    int red = def->bg[GTK_STATE_SELECTED].red;
-                    int green = def->bg[GTK_STATE_SELECTED].green;
-                    int blue = def->bg[GTK_STATE_SELECTED].blue;
-                    g_systemHighlightColour = 
-                           new wxColour( red    >> SHIFT,
-                                         green  >> SHIFT,
-                                                 blue   >> SHIFT );
-                }
-                else
+                int red, green, blue;
+                if ( !GetColourFromGTKWidget(red, green, blue,
+                                             wxGTK_BUTTON,
+                                             GTK_STATE_SELECTED) )
                 {
                 {
-                    g_systemHighlightColour = 
-                           new wxColour( 0      >> SHIFT,
-                                         0      >> SHIFT,
-                                                 0x9c40 >> SHIFT );
+                    red =
+                    green = 0;
+                    blue = 0x9c40;
                 }
                 }
-                gtk_widget_destroy( widget );
 
 
+                g_systemHighlightColour = new wxColour( red   >> SHIFT,
+                                                        green >> SHIFT,
+                                                        blue  >> SHIFT );
             }
             return *g_systemHighlightColour;
             }
             return *g_systemHighlightColour;
-        }
+
         case wxSYS_COLOUR_LISTBOX:
         case wxSYS_COLOUR_LISTBOX:
-        {
             if (!g_systemListBoxColour)
             {
             if (!g_systemListBoxColour)
             {
-                GtkWidget *widget = gtk_list_new();
-                GtkStyle *def = gtk_rc_get_style( widget );
-                if (!def) 
-                    def = gtk_widget_get_default_style();
-                if (def)
+                int red, green, blue;
+                if ( GetColourFromGTKWidget(red, green, blue,
+                                            wxGTK_LIST,
+                                            GTK_STATE_NORMAL,
+                                            wxGTK_BASE) )
                 {
                 {
-                    int red = def->base[GTK_STATE_NORMAL].red;
-                    int green = def->base[GTK_STATE_NORMAL].green;
-                    int blue = def->base[GTK_STATE_NORMAL].blue;
-                    g_systemListBoxColour = 
-                           new wxColour( red    >> SHIFT,
-                                         green  >> SHIFT,
-                                                 blue   >> SHIFT );
+                    g_systemListBoxColour = new wxColour( red   >> SHIFT,
+                                                          green >> SHIFT,
+                                                          blue  >> SHIFT );
                 }
                 else
                 }
                 else
+                {
                     g_systemListBoxColour = new wxColour(*wxWHITE);
                     g_systemListBoxColour = new wxColour(*wxWHITE);
-                gtk_widget_destroy( widget );
+                }
             }
             return *g_systemListBoxColour;
             }
             return *g_systemListBoxColour;
-        }
-    case wxSYS_COLOUR_MENUTEXT:
-    case wxSYS_COLOUR_WINDOWTEXT:
-    case wxSYS_COLOUR_CAPTIONTEXT:
-    case wxSYS_COLOUR_INACTIVECAPTIONTEXT:
-    case wxSYS_COLOUR_BTNTEXT:
-    case wxSYS_COLOUR_INFOTEXT:
-    {
+
+        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 (!g_systemBtnTextColour)
             {
             if (!g_systemBtnTextColour)
             {
-                GtkWidget *widget = gtk_button_new();
-                GtkStyle *def = gtk_rc_get_style( widget );
-                if (!def)
-                    def = gtk_widget_get_default_style();
-                if (def)
-                {
-                    int red = def->fg[GTK_STATE_NORMAL].red;
-                    int green = def->fg[GTK_STATE_NORMAL].green;
-                    int blue = def->fg[GTK_STATE_NORMAL].blue;
-                    g_systemBtnTextColour = 
-                           new wxColour( red    >> SHIFT,
-                                         green  >> SHIFT,
-                                                 blue   >> SHIFT );
-                }
-                else
+                int red, green, blue;
+                if ( !GetColourFromGTKWidget(red, green, blue,
+                                             wxGTK_BUTTON,
+                                             GTK_STATE_NORMAL,
+                                             wxGTK_FG) )
                 {
                 {
-                    g_systemBtnTextColour = 
-                     new wxColour(0, 0, 0);
+                    red =
+                    green =
+                    blue = 0;
                 }
                 }
-                gtk_widget_destroy( widget );
+
+                g_systemBtnTextColour = new wxColour( red   >> SHIFT,
+                                                      green >> SHIFT,
+                                                      blue  >> SHIFT );
             }
             return *g_systemBtnTextColour;
             }
             return *g_systemBtnTextColour;
-    }
-    case wxSYS_COLOUR_HIGHLIGHTTEXT:
-    {
-        if (!g_systemHighlightTextColour)
-               {
-                   wxColour hclr = GetSystemColour(wxSYS_COLOUR_HIGHLIGHT);
-                       if (hclr.Red() > 200 && hclr.Green() > 200 && hclr.Blue() > 200)
-                           g_systemHighlightTextColour = new wxColour(*wxBLACK);
-                       else
-                           g_systemHighlightTextColour = new wxColour(*wxWHITE);
-        }
-        return *g_systemHighlightTextColour;
-    }
-    case wxSYS_COLOUR_INFOBK:
-    case wxSYS_COLOUR_APPWORKSPACE:
-    {
-      return *wxWHITE;    // ?
-    }
+
+        case wxSYS_COLOUR_HIGHLIGHTTEXT:
+            if (!g_systemHighlightTextColour)
+            {
+                wxColour hclr = GetColour(wxSYS_COLOUR_HIGHLIGHT);
+                if (hclr.Red() > 200 && hclr.Green() > 200 && hclr.Blue() > 200)
+                    g_systemHighlightTextColour = new wxColour(*wxBLACK);
+                else
+                    g_systemHighlightTextColour = new wxColour(*wxWHITE);
+            }
+            return *g_systemHighlightTextColour;
+
+        case wxSYS_COLOUR_INFOBK:
+        case wxSYS_COLOUR_APPWORKSPACE:
+            return *wxWHITE;    // ?
   }
   }
+
   return *wxWHITE;
 }
 
   return *wxWHITE;
 }
 
-wxFont wxSystemSettings::GetSystemFont( int index ) 
+wxFont wxSystemSettingsNative::GetFont( wxSystemFont index )
 {
     switch (index)
     {
 {
     switch (index)
     {
@@ -309,30 +345,18 @@ wxFont wxSystemSettings::GetSystemFont( int index )
         {
             if (!g_systemFont)
             {
         {
             if (!g_systemFont)
             {
-#if 0
-                GdkFont *gdk_font = GtkGetDefaultGuiFont();
-                if (gdk_font)
-                {
-                    GSList *font_list = ((GdkFontPrivate*)gdk_font)->names;
-                    char *name = (char*)font_list->data;
-                    wxString font_string( name );
-                    wxFontData font_data;
-                    g_systemFont = new wxFont( font_string, font_data );
-                }
-                gtk_widget_destroy( widget );
-#endif
-
                 g_systemFont = new wxFont( 12, wxSWISS, wxNORMAL, wxNORMAL );
                 g_systemFont = new wxFont( 12, wxSWISS, wxNORMAL, wxNORMAL );
-                
+
             }
             return *g_systemFont;
         }
             }
             return *g_systemFont;
         }
-    }
 
 
-    return wxNullFont;
+        default:
+            return wxNullFont;
+    }
 }
 
 }
 
-int wxSystemSettings::GetSystemMetric( int index )
+int wxSystemSettingsNative::GetMetric( wxSystemMetric index )
 {
     switch (index)
     {
 {
     switch (index)
     {
@@ -340,9 +364,23 @@ int wxSystemSettings::GetSystemMetric( int index )
         case wxSYS_SCREEN_Y:   return gdk_screen_height();
         case wxSYS_HSCROLL_Y:  return 15;
         case wxSYS_VSCROLL_X:  return 15;
         case wxSYS_SCREEN_Y:   return gdk_screen_height();
         case wxSYS_HSCROLL_Y:  return 15;
         case wxSYS_VSCROLL_X:  return 15;
+        default:               
+            wxFAIL_MSG( wxT("wxSystemSettings::GetMetric not fully implemented") );
+            return 0;
+    }
+}
+
+bool wxSystemSettingsNative::HasFeature(wxSystemFeature index)
+{
+    switch (index)
+    {
+        case wxSYS_CAN_ICONIZE_FRAME: 
+            return FALSE; 
+            break;
+        case wxSYS_CAN_DRAW_FRAME_DECORATIONS:
+            return TRUE; 
+            break;
+        default:
+            return FALSE;
     }
     }
-    
-    wxCHECK_MSG( index, 0, wxT("wxSystemSettings::GetSystemMetric not fully implemented") );
-    
-    return 0;
 }
 }
wxWidgets (Impactor)