blind fix for wxGIFDecoder::ReadGIF

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

diff --git a/src/gtk/settings.cpp b/src/gtk/settings.cpp
index 87e05bdc5e31502e9b0df260456d7ee15304919c..85b2c7c312c6b45c3cb97a212dbb1ac60b9c0abb 100644 (file)
--- a/src/gtk/settings.cpp
+++ b/src/gtk/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

 /////////////////////////////////////////////////////////////////////////////
 
 
 /////////////////////////////////////////////////////////////////////////////
 
 


@@ -15,8 +15,14 @@
 #include "wx/settings.h"
 #include "wx/debug.h"
 
 #include "wx/settings.h"
 #include "wx/debug.h"
 

-#include "gdk/gdk.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_SCROLLBAR         0


@@ -56,107 +62,260 @@
 
 #define SHIFT (8*(sizeof(short int)-sizeof(char)))
 
 
 #define SHIFT (8*(sizeof(short int)-sizeof(char)))
 

-wxColour *g_systemBtnFaceColour      = (wxColour *) NULL;
-wxColour *g_systemBtnShadowColour    = (wxColour *) NULL;
-wxColour *g_systemBtnHighlightColour = (wxColour *) NULL;
-wxColour *g_systemHighlightColour    = (wxColour *) NULL;
+//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;
 
 
 wxFont *g_systemFont = (wxFont *) NULL;
 

-void wxSystemSettings::Done() 
+void wxSystemSettings::Done()

 {
 {

-    wxDELETE(g_systemBtnFaceColour);
-    wxDELETE(g_systemBtnShadowColour);
-    wxDELETE(g_systemBtnHighlightColour);
-    wxDELETE(g_systemHighlightColour);
-    wxDELETE(g_systemFont);
+//    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;

 }
 
 }
 

-wxColour wxSystemSettings::GetSystemColour( int index )
+// kind of widget to use in GetColourFromGTKWidget
+enum wxGtkWidgetType

 {
 {

-  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_WINDOW:
-    case wxSYS_COLOUR_WINDOWFRAME:
-    case wxSYS_COLOUR_ACTIVEBORDER:
-    case wxSYS_COLOUR_INACTIVEBORDER:
-    case wxSYS_COLOUR_BTNFACE:
-    {
-      GtkStyle *style = gtk_widget_get_default_style();
-      if (!g_systemBtnFaceColour)
-      {
-        g_systemBtnFaceColour = 
-         new wxColour( style->bg[0].red >> SHIFT,
-                       style->bg[0].green >> SHIFT,
-                       style->bg[0].blue >> SHIFT );
-      }
-      return *g_systemBtnFaceColour;
-    }
-    case wxSYS_COLOUR_GRAYTEXT:
-    case wxSYS_COLOUR_BTNSHADOW:
-    {
-      GtkStyle *style = gtk_widget_get_default_style();
-      if (!g_systemBtnShadowColour)
-      {
-        g_systemBtnShadowColour = 
-         new wxColour( style->dark[0].red >> SHIFT,
-                       style->dark[0].green >> SHIFT,
-                       style->dark[0].blue >> SHIFT );
-      }
-      return *g_systemBtnShadowColour;
-    }
-    case wxSYS_COLOUR_BTNHIGHLIGHT:
-    {
-      GtkStyle *style = gtk_widget_get_default_style();
-      if (!g_systemBtnHighlightColour)
-      {
-        g_systemBtnHighlightColour = 
-         new wxColour( style->light[0].red >> SHIFT,
-                       style->light[0].green >> SHIFT,
-                       style->light[0].blue >> SHIFT );
-      }
-      return *g_systemBtnHighlightColour;
-    }
-    case wxSYS_COLOUR_HIGHLIGHT:
+    wxGTK_BUTTON,
+    wxGTK_LIST
+};
+
+// the colour we need
+enum wxGtkColourType
+{
+    wxGTK_FG,
+    wxGTK_BG,
+    wxGTK_BASE
+};
+
+// wxSystemSettings::GetSystemColour() 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 )

     {
     {

-      GtkStyle *style = gtk_widget_get_default_style();
-      if (!g_systemHighlightColour)
-      {
-        g_systemHighlightColour = 
-         new wxColour( style->bg[GTK_STATE_SELECTED].red >> SHIFT,
-                       style->bg[GTK_STATE_SELECTED].green >> SHIFT,
-                       style->bg[GTK_STATE_SELECTED].blue >> SHIFT );
-      }
-      return *g_systemHighlightColour;
+        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();

     }
     }

-    case wxSYS_COLOUR_MENUTEXT:
-    case wxSYS_COLOUR_WINDOWTEXT:
-    case wxSYS_COLOUR_CAPTIONTEXT:
-    case wxSYS_COLOUR_INACTIVECAPTIONTEXT:
-    case wxSYS_COLOUR_BTNTEXT:
-    case wxSYS_COLOUR_INFOTEXT:
+
+    GtkStyle *def = gtk_rc_get_style( widget );
+    if ( !def )
+        def = gtk_widget_get_default_style();
+
+    bool ok;
+    if ( def )

     {
     {

-      return *wxBLACK;
+        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;

     }
     }

-    case wxSYS_COLOUR_HIGHLIGHTTEXT:
+    else

     {
     {

-      return *wxWHITE;
+        ok = FALSE;

     }
     }

-    case wxSYS_COLOUR_INFOBK:
-    case wxSYS_COLOUR_APPWORKSPACE:
+
+    gtk_widget_destroy( widget );
+
+    return ok;
+}
+
+wxColour wxSystemSettings::GetSystemColour( int index )
+{
+    switch (index)

     {
     {

-      return *wxWHITE;    // ?
-    }
+        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_ACTIVEBORDER:
+        case wxSYS_COLOUR_INACTIVEBORDER:
+        case wxSYS_COLOUR_BTNFACE:
+        case wxSYS_COLOUR_3DLIGHT:
+            if (!g_systemBtnFaceColour)
+            {
+                int red, green, blue;
+                if ( !GetColourFromGTKWidget(red, green, blue) )
+                {
+                    red =
+                    green = 0;
+                    blue = 0x9c40;
+                }
+
+                g_systemBtnFaceColour = new wxColour( red   >> SHIFT,
+                                                      green >> SHIFT,
+                                                      blue  >> SHIFT );
+            }
+            return *g_systemBtnFaceColour;
+
+        case wxSYS_COLOUR_WINDOW:
+            return *wxWHITE;
+
+        case wxSYS_COLOUR_3DDKSHADOW:
+            return *wxBLACK;
+
+        case wxSYS_COLOUR_GRAYTEXT:
+        case wxSYS_COLOUR_BTNSHADOW:
+        //case wxSYS_COLOUR_3DSHADOW:
+            if (!g_systemBtnShadowColour)
+            {
+                wxColour faceColour(GetSystemColour(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));
+            }
+
+            return *g_systemBtnShadowColour;
+
+        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)
+            {
+                int red, green, blue;
+                if ( !GetColourFromGTKWidget(red, green, blue,
+                                             wxGTK_BUTTON,
+                                             GTK_STATE_SELECTED) )
+                {
+                    red =
+                    green = 0;
+                    blue = 0x9c40;
+                }
+
+                g_systemHighlightColour = new wxColour( red   >> SHIFT,
+                                                        green >> SHIFT,
+                                                        blue  >> SHIFT );
+            }
+            return *g_systemHighlightColour;
+
+        case wxSYS_COLOUR_LISTBOX:
+            if (!g_systemListBoxColour)
+            {
+                int red, green, blue;
+                if ( GetColourFromGTKWidget(red, green, blue,
+                                            wxGTK_LIST,
+                                            GTK_STATE_NORMAL,
+                                            wxGTK_BASE) )
+                {
+                    g_systemListBoxColour = new wxColour( red   >> SHIFT,
+                                                          green >> SHIFT,
+                                                          blue  >> SHIFT );
+                }
+                else
+                {
+                    g_systemListBoxColour = new wxColour(*wxWHITE);
+                }
+            }
+            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:
+            if (!g_systemBtnTextColour)
+            {
+                int red, green, blue;
+                if ( !GetColourFromGTKWidget(red, green, blue,
+                                             wxGTK_BUTTON,
+                                             GTK_STATE_NORMAL,
+                                             wxGTK_FG) )
+                {
+                    red =
+                    green =
+                    blue = 0;
+                }
+
+                g_systemBtnTextColour = new wxColour( red   >> SHIFT,
+                                                      green >> SHIFT,
+                                                      blue  >> SHIFT );
+            }
+            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;    // ?

   }
   }

+

   return *wxWHITE;
 }
 
   return *wxWHITE;
 }
 

-wxFont wxSystemSettings::GetSystemFont( int index ) 
+wxFont wxSystemSettings::GetSystemFont( int index )

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


@@ -172,7 +331,23 @@ wxFont wxSystemSettings::GetSystemFont( int index )
         case wxSYS_DEFAULT_GUI_FONT:
         {
             if (!g_systemFont)
         case wxSYS_DEFAULT_GUI_FONT:
         {
             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;
         }
     }


@@ -189,8 +364,21 @@ int wxSystemSettings::GetSystemMetric( int index )
         case wxSYS_HSCROLL_Y:  return 15;
         case wxSYS_VSCROLL_X:  return 15;
     }
         case wxSYS_HSCROLL_Y:  return 15;
         case wxSYS_VSCROLL_X:  return 15;
     }

-    
-    wxCHECK_MSG( index, 0, "wxSystemSettings::GetSystemMetric not fully implemented" );
-    
+
+    wxCHECK_MSG( index, 0, wxT("wxSystemSettings::GetSystemMetric not fully implemented") );
+

     return 0;
 }
     return 0;
 }

+
+bool wxSystemSettings::GetCapability(int index)
+{
+    switch (index)
+    {
+        case wxSYS_CAN_ICONIZE_FRAME: 
+            return FALSE; break;
+        case wxSYS_CAN_DRAW_FRAME_DECORATIONS:
+            return TRUE; break;
+        default:
+            return FALSE;
+    }
+}