diff options
Diffstat (limited to 'mcs/class/Managed.Windows.Forms/System.Windows.Forms/X11DesktopColors.cs')
| -rw-r--r-- | mcs/class/Managed.Windows.Forms/System.Windows.Forms/X11DesktopColors.cs | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/mcs/class/Managed.Windows.Forms/System.Windows.Forms/X11DesktopColors.cs b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/X11DesktopColors.cs new file mode 100644 index 00000000000..ebf79176164 --- /dev/null +++ b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/X11DesktopColors.cs @@ -0,0 +1,292 @@ +// 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; + +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 { + IntPtr Instance; + IntPtr ref_count; + 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; + int argc = 0; + string argv = ""; + + try { + gtk_init_check (out argc, argv); + //dispmgr = gdk_display_manager_get (); + //gdkdisplay = gdk_display_manager_get_default_display (dispmgr); + gtk_init_check (out argc, argv); + + 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(ColorFromGdkColor (style.light[0])); + ThemeEngine.Current.ColorControlDarkDark = ControlPaint.Dark(ColorFromGdkColor (style.dark[0])); + + 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]); + Console.WriteLine("Gtk colorscheme read"); + } + + catch (DllNotFoundException) { + Console.WriteLine("Gtk not found (missing LD_LIBRARY_PATH to libgtk-x11-2.0.so?), using built-in colorscheme"); + } + + catch { + Console.WriteLine("Gtk colorscheme read failure, using built-in colorscheme"); + } + break; + } + + case Desktop.KDE: { + if ( ReadKDEColorsheme() ) + Console.WriteLine("KDE colorscheme read"); + else + Console.WriteLine("KDE colorscheme read failure, using built-in colorscheme"); + break; + } + + default: { + Console.WriteLine("Unknown desktop manager, using default colors"); + break; + } + } + } + #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 + [DllImport("libgtk-x11-2.0.so")] + static extern bool gtk_init_check (out int argc, string argv); + + [DllImport("libgdk-x11-2.0.so")] + internal static extern IntPtr gdk_display_manager_get (); + + [DllImport("libgdk-x11-2.0.so")] + internal static extern IntPtr gdk_display_manager_get_default_display (IntPtr display_manager); + + [DllImport("libgtk-x11-2.0.so")] + static extern IntPtr gtk_invisible_new (); + + [DllImport("libgtk-x11-2.0.so")] + static extern IntPtr gtk_menu_new (); + + [DllImport("libgtk-x11-2.0.so")] + static extern IntPtr gtk_menu_item_new_with_label (string label); + + [DllImport("libgtk-x11-2.0.so")] + static extern void gtk_widget_ensure_style (IntPtr raw); + + [DllImport("libgtk-x11-2.0.so")] + static extern IntPtr gtk_widget_get_style (IntPtr raw); + #endregion // DllImports + } +} |