A little clarification

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

diff --git a/src/gtk/settings.cpp b/src/gtk/settings.cpp
index ac4b1ef49475b72fb63b098122496d9560514c22..e2be4cd58c68bf07cf59f0058dfbf363a205cf31 100644 (file)
--- a/src/gtk/settings.cpp
+++ b/src/gtk/settings.cpp
@@ -1,104 +1,91 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// 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

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

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

 #pragma implementation "settings.h"
 #endif
 
 #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/settings.h"
 #include "wx/debug.h"

-

 #include "wx/cmndata.h"
 #include "wx/cmndata.h"

+#include "wx/fontutil.h"

 
 #include <gdk/gdk.h>
 #include <gdk/gdkprivate.h>
 #include <gtk/gtk.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_ACTIVECAPTION     2
-#define wxSYS_COLOUR_INACTIVECAPTION   3
-#define wxSYS_COLOUR_MENU              4
-#define wxSYS_COLOUR_WINDOW            5
-#define wxSYS_COLOUR_WINDOWFRAME       6
-#define wxSYS_COLOUR_MENUTEXT          7
-#define wxSYS_COLOUR_WINDOWTEXT        8
-#define wxSYS_COLOUR_CAPTIONTEXT       9
-#define wxSYS_COLOUR_ACTIVEBORDER      10
-#define wxSYS_COLOUR_INACTIVEBORDER    11
-#define wxSYS_COLOUR_APPWORKSPACE      12
-#define wxSYS_COLOUR_HIGHLIGHT         13
-#define wxSYS_COLOUR_HIGHLIGHTTEXT     14
-#define wxSYS_COLOUR_BTNFACE           15
-#define wxSYS_COLOUR_BTNSHADOW         16
-#define wxSYS_COLOUR_GRAYTEXT          17
-#define wxSYS_COLOUR_BTNTEXT           18
-#define wxSYS_COLOUR_INACTIVECAPTIONTEXT 19
-#define wxSYS_COLOUR_BTNHIGHLIGHT      20
-
-#define wxSYS_COLOUR_3DDKSHADOW        21
-#define wxSYS_COLOUR_3DLIGHT           22
-#define wxSYS_COLOUR_INFOTEXT          23
-#define wxSYS_COLOUR_INFOBK            24
-
-#define wxSYS_COLOUR_DESKTOP           wxSYS_COLOUR_BACKGROUND
-#define wxSYS_COLOUR_3DFACE            wxSYS_COLOUR_BTNFACE
-#define wxSYS_COLOUR_3DSHADOW          wxSYS_COLOUR_BTNSHADOW
-#define wxSYS_COLOUR_3DHIGHLIGHT       wxSYS_COLOUR_BTNHIGHLIGHT
-#define wxSYS_COLOUR_3DHILIGHT         wxSYS_COLOUR_BTNHIGHLIGHT
-#define wxSYS_COLOUR_BTNHILIGHT        wxSYS_COLOUR_BTNHIGHLIGHT
-*/
-

 #define SHIFT (8*(sizeof(short int)-sizeof(char)))
 
 #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;
+// ----------------------------------------------------------------------------
+// wxSystemObjects
+// ----------------------------------------------------------------------------

 
 

-void wxSystemSettings::Done()
+struct wxSystemObjects

 {
 {

-//    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 m_colBtnFace,
+             m_colBtnShadow,
+             m_colBtnHighlight,
+             m_colHighlight,
+             m_colHighlightText,
+             m_colListBox,
+             m_colBtnText;
+
+    wxFont m_fontSystem;
+};
+
+static wxSystemObjects gs_objects;
+
+// ----------------------------------------------------------------------------
+// wxSystemSettings implementation
+// ----------------------------------------------------------------------------

 
 // kind of widget to use in GetColourFromGTKWidget
 
 // kind of widget to use in GetColourFromGTKWidget

-enum GtkWidgetType
+enum wxGtkWidgetType

 {
 {

-    GTK_BUTTON,
-    GTK_LIST
+    wxGTK_BUTTON,
+    wxGTK_LIST

 };
 
 };
 

-// wxSystemSettings::GetSystemColour() helper: get the colours from a GTK+
+// 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
 // widget style, return true if we did get them, false to use defaults

-static bool GetColourFromGTKWidget(GtkWidgetType type, GtkStateType state,
-                                   int& red, int& green, int& blue)
+static bool GetColourFromGTKWidget(int& red, int& green, int& blue,
+                                   wxGtkWidgetType type = wxGTK_BUTTON,
+                                   GtkStateType state = GTK_STATE_NORMAL,
+                                   wxGtkColourType colour = wxGTK_BG)

 {
 {

-    GtkWidget *widget = type == GTK_BUTTON ? gtk_button_new() : gtk_list_new();
+    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();
     GtkStyle *def = gtk_rc_get_style( widget );
     if ( !def )
         def = gtk_widget_get_default_style();


@@ -106,9 +93,29 @@ static bool GetColourFromGTKWidget(GtkWidgetType type, GtkStateType state,
     bool ok;
     if ( def )
     {
     bool ok;
     if ( def )
     {

-        red = def->bg[state].red;
-        green = def->bg[state].green;
-        blue = def->bg[state].blue;
+        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;
     }
 
         ok = TRUE;
     }


@@ -122,7 +129,7 @@ static bool GetColourFromGTKWidget(GtkWidgetType type, GtkStateType state,
     return ok;
 }
 
     return ok;
 }
 

-wxColour wxSystemSettings::GetSystemColour( int index )
+wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )

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


@@ -135,23 +142,23 @@ wxColour wxSystemSettings::GetSystemColour( int index )
         case wxSYS_COLOUR_ACTIVEBORDER:
         case wxSYS_COLOUR_INACTIVEBORDER:
         case wxSYS_COLOUR_BTNFACE:
         case wxSYS_COLOUR_ACTIVEBORDER:
         case wxSYS_COLOUR_INACTIVEBORDER:
         case wxSYS_COLOUR_BTNFACE:

+        case wxSYS_COLOUR_MENUBAR:

         case wxSYS_COLOUR_3DLIGHT:
         case wxSYS_COLOUR_3DLIGHT:

-            if (!g_systemBtnFaceColour)
+            if (!gs_objects.m_colBtnFace.Ok())

             {
                 int red, green, blue;
             {
                 int red, green, blue;

-                if ( !GetColourFromGTKWidget(GTK_BUTTON, GTK_STATE_NORMAL,
-                                             red, green, blue) )
+                if ( !GetColourFromGTKWidget(red, green, blue) )

                 {
                     red =
                     green = 0;
                     blue = 0x9c40;
                 }
 
                 {
                     red =
                     green = 0;
                     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;
 
         case wxSYS_COLOUR_WINDOW:
             return *wxWHITE;


@@ -162,68 +169,59 @@ wxColour wxSystemSettings::GetSystemColour( int 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 (!g_systemBtnShadowColour)
+            if (!gs_objects.m_colBtnShadow.Ok())

             {
             {

-                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));
+                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));

             }
 
             }
 

-            return *g_systemBtnShadowColour;
+            return gs_objects.m_colBtnShadow;

 
         case wxSYS_COLOUR_3DHIGHLIGHT:
         //case wxSYS_COLOUR_BTNHIGHLIGHT:
             return * wxWHITE;
 
         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:
 
         case wxSYS_COLOUR_HIGHLIGHT:

-            if (!g_systemHighlightColour)
+            if (!gs_objects.m_colHighlight.Ok())

             {
                 int red, green, blue;
             {
                 int red, green, blue;

-                if ( !GetColourFromGTKWidget(GTK_BUTTON, GTK_STATE_SELECTED,
-                                             red, green, blue) )
+                if ( !GetColourFromGTKWidget(red, green, blue,
+                                             wxGTK_BUTTON,
+                                             GTK_STATE_SELECTED) )

                 {
                     red =
                     green = 0;
                     blue = 0x9c40;
                 }
 
                 {
                     red =
                     green = 0;
                     blue = 0x9c40;
                 }
 

-                g_systemHighlightColour = new wxColour( red   >> SHIFT,
+                gs_objects.m_colHighlight = wxColour( red   >> SHIFT,

                                                         green >> SHIFT,
                                                         blue  >> SHIFT );
             }
                                                         green >> SHIFT,
                                                         blue  >> SHIFT );
             }

-            return *g_systemHighlightColour;
+            return gs_objects.m_colHighlight;

 
         case wxSYS_COLOUR_LISTBOX:
 
         case wxSYS_COLOUR_LISTBOX:

-            if (!g_systemListBoxColour)
+            if (!gs_objects.m_colListBox.Ok())

             {
                 int red, green, blue;
             {
                 int red, green, blue;

-                if ( GetColourFromGTKWidget(GTK_LIST, GTK_STATE_NORMAL,
-                                            red, green, blue) )
+                if ( GetColourFromGTKWidget(red, green, blue,
+                                            wxGTK_LIST,
+                                            GTK_STATE_NORMAL,
+                                            wxGTK_BASE) )

                 {
                 {

-                    g_systemListBoxColour = new wxColour( red   >> SHIFT,
+                    gs_objects.m_colListBox = wxColour( red   >> SHIFT,

                                                           green >> SHIFT,
                                                           blue  >> SHIFT );
                 }
                 else
                 {
                                                           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:
 
         case wxSYS_COLOUR_MENUTEXT:
         case wxSYS_COLOUR_WINDOWTEXT:


@@ -231,51 +229,61 @@ wxColour wxSystemSettings::GetSystemColour( int index )
         case wxSYS_COLOUR_INACTIVECAPTIONTEXT:
         case wxSYS_COLOUR_BTNTEXT:
         case wxSYS_COLOUR_INFOTEXT:
         case wxSYS_COLOUR_INACTIVECAPTIONTEXT:
         case wxSYS_COLOUR_BTNTEXT:
         case wxSYS_COLOUR_INFOTEXT:

-            if (!g_systemBtnTextColour)
+            if (!gs_objects.m_colBtnText.Ok())

             {
             {

-                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 );
+
+                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
+            // real GTK tooltips when/if you can (TODO)
+        case wxSYS_COLOUR_INFOBK:
+            return wxColour(255, 255, 225);

 
         case wxSYS_COLOUR_HIGHLIGHTTEXT:
 
         case wxSYS_COLOUR_HIGHLIGHTTEXT:

-            if (!g_systemHighlightTextColour)
+            if (!gs_objects.m_colHighlightText.Ok())

             {
             {

-                wxColour hclr = GetSystemColour(wxSYS_COLOUR_HIGHLIGHT);
+                wxColour hclr = GetColour(wxSYS_COLOUR_HIGHLIGHT);

                 if (hclr.Red() > 200 && hclr.Green() > 200 && hclr.Blue() > 200)
                 if (hclr.Red() > 200 && hclr.Green() > 200 && hclr.Blue() > 200)

-                    g_systemHighlightTextColour = new wxColour(*wxBLACK);
+                    gs_objects.m_colHighlightText = wxColour(*wxBLACK);

                 else
                 else

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

             }
             }

-            return *g_systemHighlightTextColour;
+            return gs_objects.m_colHighlightText;

 
 

-        case wxSYS_COLOUR_INFOBK:

         case wxSYS_COLOUR_APPWORKSPACE:
             return *wxWHITE;    // ?
         case wxSYS_COLOUR_APPWORKSPACE:
             return *wxWHITE;    // ?

+
+        case wxSYS_COLOUR_HOTLIGHT:
+        case wxSYS_COLOUR_GRADIENTACTIVECAPTION:
+        case wxSYS_COLOUR_GRADIENTINACTIVECAPTION:
+        case wxSYS_COLOUR_MENUHILIGHT:
+            // TODO
+            return *wxBLACK;
+
+        case wxSYS_COLOUR_MAX:
+        default:
+            wxFAIL_MSG( _T("unknown system colour index") );

   }
 
   return *wxWHITE;
 }
 
   }
 
   return *wxWHITE;
 }
 

-wxFont wxSystemSettings::GetSystemFont( int index )
+wxFont wxSystemSettingsNative::GetFont( wxSystemFont index )

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


@@ -290,32 +298,39 @@ wxFont wxSystemSettings::GetSystemFont( int index )
         case wxSYS_DEVICE_DEFAULT_FONT:
         case wxSYS_DEFAULT_GUI_FONT:
         {
         case wxSYS_DEVICE_DEFAULT_FONT:
         case wxSYS_DEFAULT_GUI_FONT:
         {

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

             {
             {

-#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 );
-                }
+#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 = def->font_desc;  
+                    gs_objects.m_fontSystem = wxFont(info);  
+                }  
+                else  
+                {  
+                    const gchar *font_name =
+                        _gtk_rc_context_get_default_font_name(gtk_settings_get_default());
+                    gs_objects.m_fontSystem = wxFont(wxString::FromAscii(font_name));
+                }  

                 gtk_widget_destroy( widget );
                 gtk_widget_destroy( widget );

+#else
+                gs_objects.m_fontSystem = wxFont( 12, wxSWISS, wxNORMAL, wxNORMAL );

 #endif
 #endif

-
-                g_systemFont = new wxFont( 12, wxSWISS, wxNORMAL, wxNORMAL );
-

             }
             }

-            return *g_systemFont;
+            return gs_objects.m_fontSystem;

         }
         }

-    }

 
 

-    return wxNullFont;
+        default:
+            return wxNullFont;
+    }

 }
 
 }
 

-int wxSystemSettings::GetSystemMetric( int index )
+int wxSystemSettingsNative::GetMetric( wxSystemMetric index )

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


@@ -323,9 +338,30 @@ 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;

-    }

 
 

-    wxCHECK_MSG( index, 0, wxT("wxSystemSettings::GetSystemMetric not fully implemented") );
+        // VZ: is there any way to get the cursor size with GDK?
+        case wxSYS_CURSOR_X:   return 16;
+        case wxSYS_CURSOR_Y:   return 16;
+        // 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 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;
+    }

 }
 }