]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk1/settings.cpp
Add wxEvtHandler::CallAfter() for asynchronous method calls.
[wxWidgets.git] / src / gtk1 / settings.cpp
index d838381c999fa8e08cd886bc5c7e18e9ca812925..815c1e0aee75ccea6e70484f72b2c76b272c2830 100644 (file)
@@ -1,29 +1,31 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        gtk/settings.cpp
+// Name:        src/gtk1/settings.cpp
 // Purpose:
 // Author:      Robert Roebling
+// Modified by: Mart Raudsepp (GetMetric)
 // 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"
-#include "wx/debug.h"
-#include "wx/cmndata.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/toplevel.h"
+#endif
+
 #include "wx/fontutil.h"
 
 #include <gdk/gdk.h>
+#include <gdk/gdkx.h>
 #include <gdk/gdkprivate.h>
 #include <gtk/gtk.h>
 
+#include <X11/Xatom.h>
+
 #define SHIFT (8*(sizeof(short int)-sizeof(char)))
 
 // ----------------------------------------------------------------------------
@@ -38,7 +40,10 @@ struct wxSystemObjects
              m_colHighlight,
              m_colHighlightText,
              m_colListBox,
-             m_colBtnText;
+             m_colBtnText,
+             m_colMenuItemHighlight,
+             m_colTooltip,
+             m_colTooltipText;
 
     wxFont m_fontSystem;
 };
@@ -53,7 +58,8 @@ static wxSystemObjects gs_objects;
 enum wxGtkWidgetType
 {
     wxGTK_BUTTON,
-    wxGTK_LIST
+    wxGTK_LIST,
+    wxGTK_MENUITEM
 };
 
 // the colour we need
@@ -75,7 +81,7 @@ static bool GetColourFromGTKWidget(int& red, int& green, int& blue,
     switch ( type )
     {
         default:
-            wxFAIL_MSG( _T("unexpected GTK widget type") );
+            wxFAIL_MSG( wxT("unexpected GTK widget type") );
             // fall through
 
         case wxGTK_BUTTON:
@@ -84,6 +90,10 @@ static bool GetColourFromGTKWidget(int& red, int& green, int& blue,
 
         case wxGTK_LIST:
             widget = gtk_list_new();
+            break;
+
+        case wxGTK_MENUITEM:
+            widget = gtk_menu_item_new();
     }
 
     GtkStyle *def = gtk_rc_get_style( widget );
@@ -97,7 +107,7 @@ static bool GetColourFromGTKWidget(int& red, int& green, int& blue,
         switch ( colour )
         {
             default:
-                wxFAIL_MSG( _T("unexpected GTK colour type") );
+                wxFAIL_MSG( wxT("unexpected GTK colour type") );
                 // fall through
 
             case wxGTK_FG:
@@ -117,11 +127,11 @@ static bool GetColourFromGTKWidget(int& red, int& green, int& blue,
         green = col[state].green;
         blue = col[state].blue;
 
-        ok = TRUE;
+        ok = true;
     }
     else
     {
-        ok = FALSE;
+        ok = false;
     }
 
     gtk_widget_destroy( widget );
@@ -129,13 +139,24 @@ static bool GetColourFromGTKWidget(int& red, int& green, int& blue,
     return ok;
 }
 
+static void GetTooltipColors()
+{
+    GtkTooltips* tooltips = gtk_tooltips_new();
+    gtk_tooltips_force_window(tooltips);
+    gtk_widget_ensure_style(tooltips->tip_window);
+    GdkColor c = tooltips->tip_window->style->bg[GTK_STATE_NORMAL];
+    gs_objects.m_colTooltip = wxColor(c.red >> SHIFT, c.green >> SHIFT, c.blue >> SHIFT);
+    c = tooltips->tip_window->style->fg[GTK_STATE_NORMAL];
+    gs_objects.m_colTooltipText = wxColor(c.red >> SHIFT, c.green >> SHIFT, c.blue >> SHIFT);
+    gtk_object_sink(reinterpret_cast<GtkObject*>(tooltips));
+}
+
 wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
 {
     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:
@@ -144,7 +165,7 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
         case wxSYS_COLOUR_BTNFACE:
         case wxSYS_COLOUR_MENUBAR:
         case wxSYS_COLOUR_3DLIGHT:
-            if (!gs_objects.m_colBtnFace.Ok())
+            if (!gs_objects.m_colBtnFace.IsOk())
             {
                 int red, green, blue;
                 if ( !GetColourFromGTKWidget(red, green, blue) )
@@ -169,7 +190,7 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
         case wxSYS_COLOUR_GRAYTEXT:
         case wxSYS_COLOUR_BTNSHADOW:
         //case wxSYS_COLOUR_3DSHADOW:
-            if (!gs_objects.m_colBtnShadow.Ok())
+            if (!gs_objects.m_colBtnShadow.IsOk())
             {
                 wxColour faceColour(GetColour(wxSYS_COLOUR_3DFACE));
                 gs_objects.m_colBtnShadow =
@@ -185,7 +206,7 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
             return * wxWHITE;
 
         case wxSYS_COLOUR_HIGHLIGHT:
-            if (!gs_objects.m_colHighlight.Ok())
+            if (!gs_objects.m_colHighlight.IsOk())
             {
                 int red, green, blue;
                 if ( !GetColourFromGTKWidget(red, green, blue,
@@ -204,7 +225,7 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
             return gs_objects.m_colHighlight;
 
         case wxSYS_COLOUR_LISTBOX:
-            if (!gs_objects.m_colListBox.Ok())
+            if (!gs_objects.m_colListBox.IsOk())
             {
                 int red, green, blue;
                 if ( GetColourFromGTKWidget(red, green, blue,
@@ -228,8 +249,8 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
         case wxSYS_COLOUR_CAPTIONTEXT:
         case wxSYS_COLOUR_INACTIVECAPTIONTEXT:
         case wxSYS_COLOUR_BTNTEXT:
-        case wxSYS_COLOUR_INFOTEXT:
-            if (!gs_objects.m_colBtnText.Ok())
+        case wxSYS_COLOUR_LISTBOXTEXT:
+            if (!gs_objects.m_colBtnText.IsOk())
             {
                 int red, green, blue;
                 if ( !GetColourFromGTKWidget(red, green, blue,
@@ -248,14 +269,21 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
             }
             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);
+            if (!gs_objects.m_colTooltip.IsOk()) {
+                GetTooltipColors();
+            }
+            return gs_objects.m_colTooltip;
+
+        case wxSYS_COLOUR_INFOTEXT:
+            if (!gs_objects.m_colTooltipText.IsOk()) {
+                GetTooltipColors();
+            }
+            return gs_objects.m_colTooltipText;
 
+        case wxSYS_COLOUR_LISTBOXHIGHLIGHTTEXT:
         case wxSYS_COLOUR_HIGHLIGHTTEXT:
-            if (!gs_objects.m_colHighlightText.Ok())
+            if (!gs_objects.m_colHighlightText.IsOk())
             {
                 wxColour hclr = GetColour(wxSYS_COLOUR_HIGHLIGHT);
                 if (hclr.Red() > 200 && hclr.Green() > 200 && hclr.Blue() > 200)
@@ -268,19 +296,39 @@ wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
         case wxSYS_COLOUR_APPWORKSPACE:
             return *wxWHITE;    // ?
 
+        case wxSYS_COLOUR_ACTIVECAPTION:
+        case wxSYS_COLOUR_MENUHILIGHT:
+            if (!gs_objects.m_colMenuItemHighlight.IsOk())
+            {
+                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;
 
         case wxSYS_COLOUR_MAX:
         default:
-            wxFAIL_MSG( _T("unknown system colour index") );
-  }
+            wxFAIL_MSG( wxT("unknown system colour index") );
+    }
 
-  return *wxWHITE;
+    return *wxWHITE;
 }
 
 wxFont wxSystemSettingsNative::GetFont( wxSystemFont index )
@@ -298,37 +346,9 @@ wxFont wxSystemSettingsNative::GetFont( wxSystemFont index )
         case wxSYS_DEVICE_DEFAULT_FONT:
         case wxSYS_DEFAULT_GUI_FONT:
         {
-            if (!gs_objects.m_fontSystem.Ok())
+            if (!gs_objects.m_fontSystem.IsOk())
             {
-#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  
-                {  
-                    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 gs_objects.m_fontSystem;
         }
@@ -338,24 +358,110 @@ wxFont wxSystemSettingsNative::GetFont( wxSystemFont index )
     }
 }
 
-int wxSystemSettingsNative::GetMetric( wxSystemMetric index )
+int
+wxSystemSettingsNative::GetMetric(wxSystemMetric index, wxWindow* WXUNUSED(win))
 {
     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_CURSOR_X:
+        case wxSYS_CURSOR_Y:
+            return 16;
 
-        // 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") );
+
+        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;
+
+// a gtk1 implementation should be possible too if gtk2 efficiency/convenience functions aren't used
+#if 0
+        case wxSYS_CAPTION_Y:
+            if (!window)
+                // No realized window specified, and no implementation for that case yet.
+                return -1;
+
+            // Check if wm supports frame extents - we can't know the caption height if it does not.
+#if GTK_CHECK_VERSION(2,2,0)
+            if (!gtk_check_version(2,2,0))
+            {
+                if (!gdk_x11_screen_supports_net_wm_hint(
+                        gdk_drawable_get_screen(window),
+                        gdk_atom_intern("_NET_FRAME_EXTENTS", false) ) )
+                    return -1;
+            }
+            else
+#endif
+            {
+                if (!gdk_net_wm_supports(gdk_atom_intern("_NET_FRAME_EXTENTS", false)))
+                    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.
+
+            Atom type;
+            gint format;
+            gulong nitems;
+
+#if GTK_CHECK_VERSION(2,2,0)
+            if (!gtk_check_version(2,2,0))
+            {
+                gulong bytes_after;
+                success = (XGetWindowProperty (GDK_DISPLAY_XDISPLAY(gdk_drawable_get_display(window)),
+                                    GDK_WINDOW_XWINDOW(window),
+                                    gdk_x11_get_xatom_by_name_for_display (
+                                            gdk_drawable_get_display(window),
+                                            "_NET_FRAME_EXTENTS" ),
+                                    0, // left, right, top, bottom, CARDINAL[4]/32
+                                    G_MAXLONG, // size of long
+                                    false, // do not delete property
+                                    XA_CARDINAL, // 32 bit
+                                    &type, &format, &nitems, &bytes_after, &data
+                                   ) == Success);
+            }
+#endif
+            if (success)
+            {
+                int caption_height = -1;
+
+                if ((type == XA_CARDINAL) && (format == 32) && (nitems >= 3) && (data))
+                {
+                    long *borders;
+                    borders = (long*)data;
+                    caption_height = borders[2]; // top frame extent
+                }
+
+                if (data)
+                    XFree(data);
+
+                return caption_height;
+            }
+
+            // Try a default approach without a window pointer, if possible
+            // ...
+
+            return -1;
+#endif // gtk2
+
+        case wxSYS_PENWINDOWS_PRESENT:
+            // No MS Windows for Pen computing extension available in X11 based gtk+.
             return 0;
+
+        default:
+            return -1;   // metric is unknown
     }
 }
 
@@ -363,13 +469,13 @@ bool wxSystemSettingsNative::HasFeature(wxSystemFeature index)
 {
     switch (index)
     {
-        case wxSYS_CAN_ICONIZE_FRAME: 
-            return FALSE; 
-            break;
+        case wxSYS_CAN_ICONIZE_FRAME:
+            return false;
+
         case wxSYS_CAN_DRAW_FRAME_DECORATIONS:
-            return TRUE; 
-            break;
+            return true;
+
         default:
-            return FALSE;
+            return false;
     }
 }