X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a3622daa901777a33969d8bc04e2d62dee14d164..ea412ac4eb9f19e3c28dfa32aa9099a81ac7c74c:/src/gtk/settings.cpp

diff --git a/src/gtk/settings.cpp b/src/gtk/settings.cpp
index aa24393c68..7de06c56e3 100644
--- a/src/gtk/settings.cpp
+++ b/src/gtk/settings.cpp
@@ -1,191 +1,453 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        settings.cpp
+// Name:        src/gtk/settings.cpp
 // Purpose:
 // Author:      Robert Roebling
-// Created:     01/02/97
-// Id:
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence:   	wxWindows licence
+// Modified by: Mart Raudsepp (GetMetric)
+// Id:          $Id$
+// Copyright:   (c) 1998 Robert Roebling
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
-#ifdef __GNUG__
-#pragma implementation "settings.h"
+#include "wx/settings.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/cmndata.h"
+    #include "wx/toplevel.h"
 #endif
 
-#include "wx/settings.h"
+#include "wx/fontutil.h"
+#include "wx/fontenum.h"
 
-/*
-#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)))
-
-wxColour *g_systemBtnFaceColour      = NULL;
-wxColour *g_systemBtnShadowColour    = NULL;
-wxColour *g_systemBtnHighlightColour = NULL;
-wxColour *g_systemHighlightColour    = NULL;
-
-wxFont *g_systemFont = NULL;
-
-void wxSystemSettings::Done() {
-  wxDELETE(g_systemBtnFaceColour);
-  wxDELETE(g_systemBtnShadowColour);
-  wxDELETE(g_systemBtnHighlightColour);
-  wxDELETE(g_systemHighlightColour);
-  wxDELETE(g_systemFont);
-}
+#include <gtk/gtk.h>
+#include "wx/gtk/private/win_gtk.h"
+
+bool wxGetFrameExtents(GdkWindow* window, int* left, int* right, int* top, int* bottom);
+
+// ----------------------------------------------------------------------------
+// wxSystemSettings implementation
+// ----------------------------------------------------------------------------
 
-wxColour wxSystemSettings::GetSystemColour( int index )
+static wxFont gs_fontSystem;
+
+static GtkContainer* ContainerWidget()
 {
-  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:
+    static GtkContainer* s_widget;
+    if (s_widget == NULL)
     {
-      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_BTNSHADOW:
+        s_widget = GTK_CONTAINER(gtk_fixed_new());
+        GtkWidget* window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+        gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(s_widget));
+    }
+    return s_widget;
+}
+
+extern "C" {
+static void style_set(GtkWidget*, GtkStyle*, void*)
+{
+    gs_fontSystem = wxNullFont;
+}
+}
+
+static const GtkStyle* ButtonStyle()
+{
+    static GtkWidget* s_widget;
+    if (s_widget == NULL)
     {
-      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_GRAYTEXT:
-    case wxSYS_COLOUR_BTNHIGHLIGHT:
+        s_widget = gtk_button_new();
+        gtk_container_add(ContainerWidget(), s_widget);
+        gtk_widget_ensure_style(s_widget);
+        g_signal_connect(s_widget, "style_set", G_CALLBACK(style_set), NULL);
+    }
+    return s_widget->style;
+}
+
+static const GtkStyle* ListStyle()
+{
+    static GtkWidget* s_widget;
+    if (s_widget == NULL)
     {
-      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:
+        s_widget = gtk_tree_view_new_with_model(
+            GTK_TREE_MODEL(gtk_list_store_new(1, G_TYPE_INT)));
+        gtk_container_add(ContainerWidget(), s_widget);
+        gtk_widget_ensure_style(s_widget);
+    }
+    return s_widget->style;
+}
+
+static const GtkStyle* TextCtrlStyle()
+{
+    static GtkWidget* s_widget;
+    if (s_widget == NULL)
     {
-      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;
-    };
-    case wxSYS_COLOUR_MENUTEXT:
-    case wxSYS_COLOUR_WINDOWTEXT:
-    case wxSYS_COLOUR_CAPTIONTEXT:
-    case wxSYS_COLOUR_INACTIVECAPTIONTEXT:
-    case wxSYS_COLOUR_INFOTEXT:
+        s_widget = gtk_text_view_new();
+        gtk_container_add(ContainerWidget(), s_widget);
+        gtk_widget_ensure_style(s_widget);
+    }
+    return s_widget->style;
+}
+
+static const GtkStyle* MenuItemStyle()
+{
+    static GtkWidget* s_widget;
+    if (s_widget == NULL)
     {
-      return *wxBLACK;
-    };
-    case wxSYS_COLOUR_HIGHLIGHTTEXT:
+        s_widget = gtk_menu_item_new();
+        gtk_container_add(ContainerWidget(), s_widget);
+        gtk_widget_ensure_style(s_widget);
+    }
+    return s_widget->style;
+}
+
+static const GtkStyle* MenuBarStyle()
+{
+    static GtkWidget* s_widget;
+    if (s_widget == NULL)
     {
-      return *wxWHITE;
-    };
-    case wxSYS_COLOUR_INFOBK:
-    case wxSYS_COLOUR_APPWORKSPACE:
+        s_widget = gtk_menu_bar_new();
+        gtk_container_add(ContainerWidget(), s_widget);
+        gtk_widget_ensure_style(s_widget);
+    }
+    return s_widget->style;
+}
+
+static const GtkStyle* ToolTipStyle()
+{
+    static GtkWidget* s_widget;
+    if (s_widget == NULL)
     {
-      return *wxWHITE;    // ?
-    };
-  };
-  return *wxWHITE;
-};
+        s_widget = gtk_window_new(GTK_WINDOW_POPUP);
+        const char* name = "gtk-tooltip";
+        if (gtk_check_version(2, 11, 0))
+            name = "gtk-tooltips";
+        gtk_widget_set_name(s_widget, name);
+        gtk_widget_ensure_style(s_widget);
+    }
+    return s_widget->style;
+}
 
-wxFont wxSystemSettings::GetSystemFont( int index ) 
+wxColour wxSystemSettingsNative::GetColour( wxSystemColour index )
 {
-  switch (index)
-  {
-    case wxSYS_OEM_FIXED_FONT:
-    case wxSYS_ANSI_FIXED_FONT:
-    case wxSYS_SYSTEM_FIXED_FONT:
+    wxColor color;
+    switch (index)
     {
-      return *wxNORMAL_FONT;
-    };
-    case wxSYS_ANSI_VAR_FONT:
-    case wxSYS_SYSTEM_FONT:
-    case wxSYS_DEVICE_DEFAULT_FONT:
-    case wxSYS_DEFAULT_GUI_FONT:
+        case wxSYS_COLOUR_SCROLLBAR:
+        case wxSYS_COLOUR_BACKGROUND:
+        //case wxSYS_COLOUR_DESKTOP:
+        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_3DFACE:
+        case wxSYS_COLOUR_3DLIGHT:
+            color = wxColor(ButtonStyle()->bg[GTK_STATE_NORMAL]);
+            break;
+
+        case wxSYS_COLOUR_WINDOW:
+            color = wxColor(TextCtrlStyle()->base[GTK_STATE_NORMAL]);
+            break;
+
+        case wxSYS_COLOUR_MENUBAR:
+            color = wxColor(MenuBarStyle()->bg[GTK_STATE_NORMAL]);
+            break;
+
+        case wxSYS_COLOUR_3DDKSHADOW:
+            color = *wxBLACK;
+            break;
+
+        case wxSYS_COLOUR_GRAYTEXT:
+        case wxSYS_COLOUR_BTNSHADOW:
+        //case wxSYS_COLOUR_3DSHADOW:
+            {
+                wxColour faceColour(GetColour(wxSYS_COLOUR_3DFACE));
+                color =
+                   wxColour((unsigned char) (faceColour.Red() * 2 / 3),
+                            (unsigned char) (faceColour.Green() * 2 / 3),
+                            (unsigned char) (faceColour.Blue() * 2 / 3));
+            }
+            break;
+
+        case wxSYS_COLOUR_BTNHIGHLIGHT:
+        //case wxSYS_COLOUR_BTNHILIGHT:
+        //case wxSYS_COLOUR_3DHIGHLIGHT:
+        //case wxSYS_COLOUR_3DHILIGHT:
+            color = *wxWHITE;
+            break;
+
+        case wxSYS_COLOUR_HIGHLIGHT:
+            color = wxColor(ButtonStyle()->bg[GTK_STATE_SELECTED]);
+            break;
+
+        case wxSYS_COLOUR_LISTBOX:
+            color = wxColor(ListStyle()->base[GTK_STATE_NORMAL]);
+            break;
+
+        case wxSYS_COLOUR_LISTBOXTEXT:
+            color = wxColor(ListStyle()->text[GTK_STATE_NORMAL]);
+            break;
+
+        case wxSYS_COLOUR_MENUTEXT:
+        case wxSYS_COLOUR_WINDOWTEXT:
+        case wxSYS_COLOUR_CAPTIONTEXT:
+        case wxSYS_COLOUR_INACTIVECAPTIONTEXT:
+        case wxSYS_COLOUR_BTNTEXT:
+            color = wxColor(ButtonStyle()->fg[GTK_STATE_NORMAL]);
+            break;
+
+        case wxSYS_COLOUR_INFOBK:
+            color = wxColor(ToolTipStyle()->bg[GTK_STATE_NORMAL]);
+            break;
+
+        case wxSYS_COLOUR_INFOTEXT:
+            color = wxColor(ToolTipStyle()->fg[GTK_STATE_NORMAL]);
+            break;
+
+        case wxSYS_COLOUR_HIGHLIGHTTEXT:
+            color = wxColor(ButtonStyle()->fg[GTK_STATE_SELECTED]);
+            break;
+
+        case wxSYS_COLOUR_APPWORKSPACE:
+            color = *wxWHITE;    // ?
+            break;
+
+        case wxSYS_COLOUR_ACTIVECAPTION:
+        case wxSYS_COLOUR_MENUHILIGHT:
+            color = wxColor(MenuItemStyle()->bg[GTK_STATE_SELECTED]);
+            break;
+
+        case wxSYS_COLOUR_HOTLIGHT:
+        case wxSYS_COLOUR_GRADIENTACTIVECAPTION:
+        case wxSYS_COLOUR_GRADIENTINACTIVECAPTION:
+            // TODO
+            color = *wxBLACK;
+            break;
+
+        case wxSYS_COLOUR_MAX:
+        default:
+            wxFAIL_MSG( wxT("unknown system colour index") );
+            color = *wxWHITE;
+            break;
+    }
+
+    wxASSERT(color.IsOk());
+    return color;
+}
+
+wxFont wxSystemSettingsNative::GetFont( wxSystemFont index )
+{
+    wxFont font;
+    switch (index)
     {
-      if (!g_systemFont)
-        g_systemFont = new wxFont( "-adobe-helvetica-medium-r-normal--*-120-*-*-*-*-*-*" );
-      return *g_systemFont;
-    };
-  };
+        case wxSYS_OEM_FIXED_FONT:
+        case wxSYS_ANSI_FIXED_FONT:
+        case wxSYS_SYSTEM_FIXED_FONT:
+            font = *wxNORMAL_FONT;
+            break;
+
+        case wxSYS_ANSI_VAR_FONT:
+        case wxSYS_SYSTEM_FONT:
+        case wxSYS_DEVICE_DEFAULT_FONT:
+        case wxSYS_DEFAULT_GUI_FONT:
+            if (!gs_fontSystem.Ok())
+            {
+                wxNativeFontInfo info;
+                info.description = ButtonStyle()->font_desc;
+                gs_fontSystem = wxFont(info);
+
+                // (try to) heal the default font (on some common systems e.g. Ubuntu
+                // it's "Sans Serif" but the real font is called "Sans"):
+                if (!wxFontEnumerator::IsValidFacename(gs_fontSystem.GetFaceName()) &&
+                    gs_fontSystem.GetFaceName() == "Sans Serif")
+                    gs_fontSystem.SetFaceName("Sans");
+
+                info.description = NULL;
+            }
+            font = gs_fontSystem;
+            break;
+
+        default:
+            break;
+    }
+
+    wxASSERT(font.IsOk() && wxFontEnumerator::IsValidFacename(font.GetFaceName()));
 
-  return wxNullFont;
+    return font;
 }
-;
 
-int wxSystemSettings::GetSystemMetric( int index )
+// helper: return the GtkSettings either for the screen the current window is
+// on or for the default screen if window is NULL
+static GtkSettings *GetSettingsForWindowScreen(GdkWindow *window)
 {
-  switch (index)
-  {
-    case wxSYS_SCREEN_X:
-      return gdk_screen_width();
-    case wxSYS_SCREEN_Y:
-      return gdk_screen_height();
-  };
-  return 0;
+    return window ? gtk_settings_get_for_screen(gdk_drawable_get_screen(window))
+                  : gtk_settings_get_default();
+}
+
+static int GetBorderWidth(wxSystemMetric index, wxWindow* win)
+{
+    if (win->m_wxwindow)
+    {
+        wxPizza* pizza = WX_PIZZA(win->m_wxwindow);
+        int x, y;
+        pizza->get_border_widths(x, y);
+        switch (index)
+        {
+            case wxSYS_BORDER_X:
+            case wxSYS_EDGE_X:
+            case wxSYS_FRAMESIZE_X:
+                return x;
+            default:
+                return y;
+        }
+    }
+    return -1;
+}
+
+int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win )
+{
+    GdkWindow *window = NULL;
+    if(win && GTK_WIDGET_REALIZED(win->GetHandle()))
+        window = win->GetHandle()->window;
+
+    switch (index)
+    {
+        case wxSYS_BORDER_X:
+        case wxSYS_BORDER_Y:
+        case wxSYS_EDGE_X:
+        case wxSYS_EDGE_Y:
+        case wxSYS_FRAMESIZE_X:
+        case wxSYS_FRAMESIZE_Y:
+            if (win)
+            {
+                wxTopLevelWindow *tlw = wxDynamicCast(win, wxTopLevelWindow);
+                if (!tlw)
+                    return GetBorderWidth(index, win);
+                else if (window)
+                {
+                    // Get the frame extents from the windowmanager.
+                    // In most cases the top extent is the titlebar, so we use the bottom extent
+                    // for the heights.
+                    int right, bottom;
+                    if (wxGetFrameExtents(window, NULL, &right, NULL, &bottom))
+                    {
+                        switch (index)
+                        {
+                            case wxSYS_BORDER_X:
+                            case wxSYS_EDGE_X:
+                            case wxSYS_FRAMESIZE_X:
+                                return right; // width of right extent
+                            default:
+                                return bottom; // height of bottom extent
+                        }
+                    }
+                }
+            }
+
+            return -1; // no window specified
+
+        case wxSYS_CURSOR_X:
+        case wxSYS_CURSOR_Y:
+                return gdk_display_get_default_cursor_size(
+                            window ? gdk_drawable_get_display(window)
+                                   : gdk_display_get_default());
+
+        case wxSYS_DCLICK_X:
+        case wxSYS_DCLICK_Y:
+            gint dclick_distance;
+            g_object_get(GetSettingsForWindowScreen(window),
+                            "gtk-double-click-distance", &dclick_distance, NULL);
+
+            return dclick_distance * 2;
+
+        case wxSYS_DCLICK_MSEC:
+            gint dclick;
+            g_object_get(GetSettingsForWindowScreen(window),
+                            "gtk-double-click-time", &dclick, NULL);
+            return dclick;
+
+        case wxSYS_DRAG_X:
+        case wxSYS_DRAG_Y:
+            gint drag_threshold;
+            g_object_get(GetSettingsForWindowScreen(window),
+                            "gtk-dnd-drag-threshold", &drag_threshold, NULL);
+
+            // The correct thing here would be to double the value
+            // since that is what the API wants. But the values
+            // are much bigger under GNOME than under Windows and
+            // just seem to much in many cases to be useful.
+            // drag_threshold *= 2;
+
+            return drag_threshold;
+
+        case wxSYS_ICON_X:
+        case wxSYS_ICON_Y:
+            return 32;
+
+        case wxSYS_SCREEN_X:
+            if (window)
+                return gdk_screen_get_width(gdk_drawable_get_screen(window));
+            else
+                return gdk_screen_width();
+
+        case wxSYS_SCREEN_Y:
+            if (window)
+                return gdk_screen_get_height(gdk_drawable_get_screen(window));
+            else
+                return gdk_screen_height();
+
+        case wxSYS_HSCROLL_Y:
+        case wxSYS_VSCROLL_X:
+            return 15;
+
+        case wxSYS_CAPTION_Y:
+            if (!window)
+                // No realized window specified, and no implementation for that case yet.
+                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.
+            {
+                int top;
+                if (wxGetFrameExtents(window, NULL, NULL, &top, NULL))
+                {
+                    return top; // top frame extent
+                }
+            }
+
+            // Try a default approach without a window pointer, if possible
+            // ...
+
+            return -1;
+
+        case wxSYS_PENWINDOWS_PRESENT:
+            // No MS Windows for Pen computing extension available in X11 based gtk+.
+            return 0;
+
+        default:
+            return -1;   // metric is unknown
+    }
 }
-;
 
+bool wxSystemSettingsNative::HasFeature(wxSystemFeature index)
+{
+    switch (index)
+    {
+        case wxSYS_CAN_ICONIZE_FRAME:
+            return false;
+
+        case wxSYS_CAN_DRAW_FRAME_DECORATIONS:
+            return true;
+
+        default:
+            return false;
+    }
+}