GtkSharp/Source/gtk/ColorSelection.cs
2017-09-04 22:36:28 -03:00

83 lines
2.9 KiB
C#

// Gtk.ColorSelection.cs - customizations and corrections for ColorSelection
// Author: Lee Mallabone <gnome@fonicmonkey.net>
// Author: Justin Malcolm
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2 of the Lesser GNU General
// Public License as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
namespace Gtk {
using System;
using System.Runtime.InteropServices;
public partial class ColorSelection {
[DllImport (Global.GtkNativeDll, CallingConvention = CallingConvention.Cdecl)]
static extern IntPtr gtk_color_selection_palette_to_string(Gdk.Color[] colors, int n_colors);
/// <summary> PaletteToString Method </summary>
public static string PaletteToString(Gdk.Color[] colors) {
int n_colors = colors.Length;
IntPtr raw_ret = gtk_color_selection_palette_to_string(colors, n_colors);
string ret = GLib.Marshaller.PtrToStringGFree (raw_ret);
return ret;
}
[DllImport (Global.GtkNativeDll, CallingConvention = CallingConvention.Cdecl)]
static extern bool gtk_color_selection_palette_from_string(IntPtr str, out IntPtr colors, out int n_colors);
public static Gdk.Color[] PaletteFromString(string str) {
IntPtr parsedColors;
int n_colors;
IntPtr native = GLib.Marshaller.StringToPtrGStrdup (str);
bool raw_ret = gtk_color_selection_palette_from_string(native, out parsedColors, out n_colors);
GLib.Marshaller.Free (native);
// If things failed, return silently
if (!raw_ret)
{
return null;
}
System.Console.WriteLine("Raw call finished, making " + n_colors + " actual colors");
Gdk.Color[] colors = new Gdk.Color[n_colors];
for (int i=0; i < n_colors; i++)
{
colors[i] = Gdk.Color.New(parsedColors);
parsedColors = (IntPtr) ((int)parsedColors + Marshal.SizeOf(colors[i]));
}
return colors;
}
[DllImport (Global.GtkNativeDll, CallingConvention = CallingConvention.Cdecl)]
static extern void gtk_color_selection_set_previous_color(IntPtr raw, ref Gdk.Color color);
[DllImport (Global.GtkNativeDll, CallingConvention = CallingConvention.Cdecl)]
static extern void gtk_color_selection_get_previous_color(IntPtr raw, out Gdk.Color color);
// Create Gtk# property to replace two Gtk+ functions
public Gdk.Color PreviousColor
{
get
{
Gdk.Color returnColor;
gtk_color_selection_get_previous_color(Handle, out returnColor);
return returnColor;
}
set
{
gtk_color_selection_set_previous_color(Handle, ref value);
}
}
}
}