--- /dev/null
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+// Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
+//
+// Authors:
+// Peter Dennis Bartok (pbartok@novell.com)
+// Alexander Olk (alex.olk@googlemail.com)
+//
+//
+
+using System.Drawing;
+using System.Runtime.InteropServices;
+using System.IO;
+using System;
+
+namespace System.Windows.Forms {
+ internal class X11DesktopColors {
+ #region Structs & Enums
+ [StructLayout(LayoutKind.Sequential)]
+ internal struct GdkColorStruct {
+ internal int pixel;
+ internal short red;
+ internal short green;
+ internal short blue;
+ }
+
+ [StructLayout(LayoutKind.Sequential)]
+ internal struct GObjectStruct {
+ public IntPtr Instance;
+ public IntPtr ref_count;
+ public IntPtr data;
+ }
+
+ [StructLayout(LayoutKind.Sequential)]
+ internal struct GtkStyleStruct {
+ internal GObjectStruct obj;
+ [MarshalAs(System.Runtime.InteropServices.UnmanagedType.ByValArray, SizeConst=5)]
+ internal GdkColorStruct[] fg;
+ [MarshalAs(System.Runtime.InteropServices.UnmanagedType.ByValArray, SizeConst=5)]
+ internal GdkColorStruct[] bg;
+ [MarshalAs(System.Runtime.InteropServices.UnmanagedType.ByValArray, SizeConst=5)]
+ internal GdkColorStruct[] light;
+ [MarshalAs(System.Runtime.InteropServices.UnmanagedType.ByValArray, SizeConst=5)]
+ internal GdkColorStruct[] dark;
+ [MarshalAs(System.Runtime.InteropServices.UnmanagedType.ByValArray, SizeConst=5)]
+ internal GdkColorStruct[] mid;
+ [MarshalAs(System.Runtime.InteropServices.UnmanagedType.ByValArray, SizeConst=5)]
+ internal GdkColorStruct[] text;
+ [MarshalAs(System.Runtime.InteropServices.UnmanagedType.ByValArray, SizeConst=5)]
+ internal GdkColorStruct[] baseclr;
+ [MarshalAs(System.Runtime.InteropServices.UnmanagedType.ByValArray, SizeConst=5)]
+ internal GdkColorStruct[] text_aa; /* Halfway between text/base */
+
+ internal GdkColorStruct black;
+ internal GdkColorStruct white;
+
+ /* TODO: There is more stuff that we will add when we need it*/
+ }
+
+ private enum Desktop {
+ Gtk,
+ KDE,
+ Unknown
+ }
+ #endregion // Structs & Enums
+
+ #region Local Variables
+ static private Desktop desktop;
+ #endregion // Local Variables
+
+ #region Constructors
+ static X11DesktopColors() {
+ FindDesktopEnvironment();
+
+ switch(desktop) {
+ case Desktop.Gtk: {
+ //IntPtr dispmgr;
+ //IntPtr gdkdisplay;
+ IntPtr widget;
+ IntPtr style_ptr;
+ GtkStyleStruct style;
+
+ try {
+ GtkInit();
+ //dispmgr = gdk_display_manager_get ();
+ //gdkdisplay = gdk_display_manager_get_default_display (dispmgr);
+
+ widget = gtk_invisible_new ();
+ gtk_widget_ensure_style (widget);
+ style_ptr = gtk_widget_get_style (widget);
+
+ style = (GtkStyleStruct) Marshal.PtrToStructure (style_ptr, typeof (GtkStyleStruct));
+
+ ThemeEngine.Current.ColorControl = ColorFromGdkColor (style.bg[0]);
+ ThemeEngine.Current.ColorControlText = ColorFromGdkColor (style.fg[0]);
+ ThemeEngine.Current.ColorControlDark = ColorFromGdkColor (style.dark[0]);
+ ThemeEngine.Current.ColorControlLight = ColorFromGdkColor (style.light[0]);
+ ThemeEngine.Current.ColorControlLightLight = ControlPaint.Light (ThemeEngine.Current.ColorControlLight);
+ ThemeEngine.Current.ColorControlDarkDark = ControlPaint.Dark (ThemeEngine.Current.ColorControlDark);
+
+ // We don't want ControlLight to disappear on a white background!
+ if (ThemeEngine.Current.ColorControlLight.ToArgb () == Color.White.ToArgb ()) {
+ ThemeEngine.Current.ColorControlLight = Color.FromArgb (255, 227, 227, 227);
+ }
+ widget = gtk_menu_new ();
+ gtk_widget_ensure_style (widget);
+ style_ptr = gtk_widget_get_style (widget);
+
+ style = (GtkStyleStruct) Marshal.PtrToStructure (style_ptr, typeof (GtkStyleStruct));
+
+ ThemeEngine.Current.ColorMenu = ColorFromGdkColor (style.bg [0]);
+ ThemeEngine.Current.ColorMenuText = ColorFromGdkColor (style.text [0]);
+ }
+
+ catch (DllNotFoundException) {
+ Console.Error.WriteLine("Gtk not found (missing LD_LIBRARY_PATH to libgtk-x11-2.0.so.0?), using built-in colorscheme");
+ }
+
+ catch {
+ Console.Error.WriteLine("Gtk colorscheme read failure, using built-in colorscheme");
+ }
+ break;
+ }
+
+ case Desktop.KDE: {
+ if (! ReadKDEColorsheme() )
+ Console.Error.WriteLine("KDE colorscheme read failure, using built-in colorscheme");
+ break;
+ }
+
+ default: {
+ break;
+ }
+ }
+ }
+
+ static void GtkInit ()
+ {
+ gtk_init_check (IntPtr.Zero, IntPtr.Zero);
+ }
+ #endregion // Constructors
+
+ #region Properties
+ static void FindDesktopEnvironment() {
+ desktop = Desktop.Gtk;
+ string session = Environment.GetEnvironmentVariable("DESKTOP_SESSION");
+
+ if ( session != null ) {
+ session = session.ToUpper( );
+
+ if ( session == "DEFAULT" ) {
+ string helper = Environment.GetEnvironmentVariable("KDE_FULL_SESSION");
+
+ if ( helper != null )
+ desktop = Desktop.KDE;
+ } else
+ if ( session.StartsWith("KDE") )
+ desktop = Desktop.KDE;
+ }
+ }
+ #endregion // Properties
+
+ #region Methods
+ static internal void Initialize() {
+ // Do nothing; all is done in our static ctor
+ }
+
+ private static Color ColorFromGdkColor (GdkColorStruct gtkcolor) {
+ return Color.FromArgb (255,
+ (gtkcolor.red >> 8) & 0xff,
+ (gtkcolor.green >> 8) & 0xff,
+ (gtkcolor.blue >> 8) & 0xff );
+ }
+
+ private static bool ReadKDEColorsheme() {
+ string full_kdegloabals_filename = Environment.GetFolderPath(Environment.SpecialFolder.Personal)
+ + "/"
+ + ".kde/share/config/kdeglobals";
+
+ if (!File.Exists(full_kdegloabals_filename))
+ return false;
+
+ StreamReader sr = new StreamReader(full_kdegloabals_filename);
+
+ string line = sr.ReadLine();
+
+ Color tmp_color;
+
+ while (line != null) {
+ line = line.Trim();
+
+ if (line.StartsWith( "background=")) {
+ tmp_color = GetColorFromKDEString(line);
+
+ if (tmp_color != Color.Empty) {
+ ThemeEngine.Current.ColorControl = tmp_color;
+ ThemeEngine.Current.ColorMenu = tmp_color;
+ }
+ } else
+ if (line.StartsWith( "foreground=")) {
+ tmp_color = GetColorFromKDEString(line);
+
+ if (tmp_color != Color.Empty) {
+ ThemeEngine.Current.ColorControlText = tmp_color;
+ ThemeEngine.Current.ColorMenuText = tmp_color;
+ }
+ } else
+ if (line.StartsWith("selectBackground")) {
+ tmp_color = GetColorFromKDEString(line);
+
+ if (tmp_color != Color.Empty) {
+ ThemeEngine.Current.ColorHighlight = tmp_color;
+ }
+ } else
+ if (line.StartsWith("selectForeground")) {
+ tmp_color = GetColorFromKDEString(line);
+
+ if (tmp_color != Color.Empty) {
+ ThemeEngine.Current.ColorHighlightText = tmp_color;
+ }
+ }
+
+ line = sr.ReadLine();
+ }
+
+ sr.Close();
+
+ return true;
+ }
+
+ private static Color GetColorFromKDEString(string line) {
+ string[] split = line.Split(new char[] {'='});
+
+ if (split.Length > 0) {
+ line = split[1];
+
+ split = line.Split(new char[] {','});
+
+ if (split.Length == 3) {
+ int r = System.Convert.ToInt32(split[0]);
+ int g = System.Convert.ToInt32(split[1]);
+ int b = System.Convert.ToInt32(split[2]);
+
+ return Color.FromArgb(r, g, b);
+ }
+ }
+
+ return Color.Empty;
+ }
+ #endregion // Methods
+
+ #region DllImports
+ const string libgdk = "libgdk-x11-2.0.so.0";
+ const string libgtk = "libgtk-x11-2.0.so.0";
+
+ [DllImport(libgtk)]
+ static extern bool gtk_init_check (IntPtr argc, IntPtr argv);
+
+ [DllImport(libgdk)]
+ internal static extern IntPtr gdk_display_manager_get ();
+
+ [DllImport(libgdk)]
+ internal static extern IntPtr gdk_display_manager_get_default_display (IntPtr display_manager);
+
+ [DllImport(libgtk)]
+ static extern IntPtr gtk_invisible_new ();
+
+ [DllImport(libgtk)]
+ static extern IntPtr gtk_menu_new ();
+
+ //[DllImport(libgtk)]
+ //static extern IntPtr gtk_menu_item_new_with_label (string label);
+
+ [DllImport(libgtk)]
+ static extern void gtk_widget_ensure_style (IntPtr raw);
+
+ [DllImport(libgtk)]
+ static extern IntPtr gtk_widget_get_style (IntPtr raw);
+ #endregion // DllImports
+ }
+}