1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
|
//
// Util.cs
//
// Author:
// Lluis Sanchez <lluis@xamarin.com>
//
// Copyright (c) 2011 Xamarin Inc
//
// 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.
using System;
using Xwt.Drawing;
using Xwt.Engine;
using Xwt.Backends;
using System.Collections.Generic;
using System.Linq;
namespace Xwt.GtkBackend
{
public static class Util
{
static uint targetIdCounter = 0;
static Dictionary<TransferDataType, Gtk.TargetEntry[]> dragTargets = new Dictionary<TransferDataType, Gtk.TargetEntry[]> ();
static Dictionary<string, TransferDataType> atomToType = new Dictionary<string, TransferDataType> ();
public static void SetDragData (TransferDataSource data, Gtk.DragDataGetArgs args)
{
foreach (var t in data.DataTypes) {
object val = data.GetValue (t);
SetSelectionData (args.SelectionData, t.Id, val);
}
}
public static void SetSelectionData (Gtk.SelectionData data, string atomType, object val)
{
if (val == null)
return;
if (val is string)
data.Text = (string)val;
else if (val is Xwt.Drawing.Image)
data.SetPixbuf ((Gdk.Pixbuf) WidgetRegistry.GetBackend (val));
else {
var at = Gdk.Atom.Intern (atomType, false);
data.Set (at, 0, TransferDataSource.SerializeValue (val));
}
}
public static bool GetSelectionData (Gtk.SelectionData data, TransferDataStore target)
{
TransferDataType type = Util.AtomToType (data.Target.Name);
if (type == null || data.Length <= 0)
return false;
if (type == TransferDataType.Text)
target.AddText (data.Text);
else if (data.TargetsIncludeImage (false))
target.AddImage (WidgetRegistry.CreateFrontend<Xwt.Drawing.Image> (data.Pixbuf));
else if (type == TransferDataType.Uri) {
var uris = System.Text.Encoding.UTF8.GetString (data.Data).Split ('\n').Where (u => !string.IsNullOrEmpty(u)).Select (u => new Uri (u)).ToArray ();
target.AddUris (uris);
}
else
target.AddValue (type, data.Data);
return true;
}
internal static TransferDataType AtomToType (string targetName)
{
TransferDataType type;
atomToType.TryGetValue (targetName, out type);
return type;
}
internal static TransferDataType[] GetDragTypes (Gdk.Atom[] dropTypes)
{
List<TransferDataType> types = new List<TransferDataType> ();
foreach (var dt in dropTypes) {
TransferDataType type;
if (atomToType.TryGetValue (dt.Name, out type))
types.Add (type);
}
return types.ToArray ();
}
public static Gtk.TargetList BuildTargetTable (TransferDataType[] types)
{
var tl = new Gtk.TargetList ();
foreach (var tt in types)
tl.AddTable (CreateTargetEntries (tt));
return tl;
}
static Gtk.TargetEntry[] CreateTargetEntries (TransferDataType type)
{
lock (dragTargets) {
Gtk.TargetEntry[] entries;
if (dragTargets.TryGetValue (type, out entries))
return entries;
uint id = targetIdCounter++;
if (type == TransferDataType.Uri) {
Gtk.TargetList list = new Gtk.TargetList ();
list.AddUriTargets (id);
entries = (Gtk.TargetEntry[])list;
}
else if (type == TransferDataType.Text) {
Gtk.TargetList list = new Gtk.TargetList ();
list.AddTextTargets (id);
//HACK: work around gtk_selection_data_set_text causing crashes on Mac w/ QuickSilver, Clipbard History etc.
if (Platform.IsMac) {
list.Remove ("COMPOUND_TEXT");
list.Remove ("TEXT");
list.Remove ("STRING");
}
entries = (Gtk.TargetEntry[])list;
}
else if (type == TransferDataType.Rtf) {
Gdk.Atom atom;
if (Platform.IsMac)
atom = Gdk.Atom.Intern ("NSRTFPboardType", false); //TODO: use public.rtf when dep on MacOS 10.6
else
atom = Gdk.Atom.Intern ("text/rtf", false);
entries = new Gtk.TargetEntry[] { new Gtk.TargetEntry (atom, 0, id) };
}
else {
entries = new Gtk.TargetEntry[] { new Gtk.TargetEntry (Gdk.Atom.Intern ("application/" + type.Id, false), 0, id) };
}
foreach (var a in entries.Select (e => e.Target))
atomToType [a] = type;
return dragTargets [type] = entries;
}
}
static Dictionary<string,string> icons;
public static string ToGtkStock (string id)
{
if (icons == null) {
icons = new Dictionary<string, string> ();
icons [StockIcons.ZoomIn] = Gtk.Stock.ZoomIn;
icons [StockIcons.ZoomOut] = Gtk.Stock.ZoomOut;
icons [StockIcons.Zoom100] = Gtk.Stock.Zoom100;
icons [StockIcons.ZoomFit] = Gtk.Stock.ZoomFit;
icons [StockIcons.OrientationPortrait] = Gtk.Stock.OrientationPortrait;
icons [StockIcons.OrientationLandscape] = Gtk.Stock.OrientationLandscape;
icons [StockIcons.Add] = Gtk.Stock.Add;
icons [StockIcons.Remove] = Gtk.Stock.Remove;
icons [StockIcons.Warning] = Gtk.Stock.DialogWarning;
icons [StockIcons.Error] = Gtk.Stock.DialogError;
icons [StockIcons.Information] = Gtk.Stock.DialogInfo;
}
string res;
icons.TryGetValue (id, out res);
return res;
}
public static Gtk.IconSize ToGtkSize (Xwt.IconSize size)
{
switch (size) {
case IconSize.Small:
return Gtk.IconSize.Menu;
case IconSize.Medium:
return Gtk.IconSize.Button;
case IconSize.Large:
return Gtk.IconSize.Dialog;
}
return Gtk.IconSize.Dialog;
}
public static Gdk.Color ToGdkColor (this Xwt.Drawing.Color color)
{
return new Gdk.Color ((byte)(color.Red * 255), (byte)(color.Green * 255), (byte)(color.Blue * 255));
}
public static Color ToXwtColor (this Gdk.Color color)
{
return new Color ((double)color.Red / (double)ushort.MaxValue, (double)color.Green / (double)ushort.MaxValue, (double)color.Blue / (double)ushort.MaxValue);
}
public static ScrollPolicy ConvertScrollPolicy (Gtk.PolicyType p)
{
switch (p) {
case Gtk.PolicyType.Always:
return ScrollPolicy.Always;
case Gtk.PolicyType.Automatic:
return ScrollPolicy.Automatic;
case Gtk.PolicyType.Never:
return ScrollPolicy.Never;
}
throw new InvalidOperationException ("Invalid policy value:" + p);
}
public static Gtk.PolicyType ConvertScrollPolicy (ScrollPolicy p)
{
switch (p) {
case ScrollPolicy.Always:
return Gtk.PolicyType.Always;
case ScrollPolicy.Automatic:
return Gtk.PolicyType.Automatic;
case ScrollPolicy.Never:
return Gtk.PolicyType.Never;
}
throw new InvalidOperationException ("Invalid policy value:" + p);
}
public static ScrollDirection ConvertScrollDirection(Gdk.ScrollDirection d)
{
switch(d) {
case Gdk.ScrollDirection.Up:
return Xwt.ScrollDirection.Up;
case Gdk.ScrollDirection.Down:
return Xwt.ScrollDirection.Down;
case Gdk.ScrollDirection.Left:
return Xwt.ScrollDirection.Left;
case Gdk.ScrollDirection.Right:
return Xwt.ScrollDirection.Right;
}
throw new InvalidOperationException("Invalid mouse scroll direction value: " + d);
}
public static Gdk.ScrollDirection ConvertScrollDirection(ScrollDirection d)
{
switch (d) {
case ScrollDirection.Up:
return Gdk.ScrollDirection.Up;
case ScrollDirection.Down:
return Gdk.ScrollDirection.Down;
case ScrollDirection.Left:
return Gdk.ScrollDirection.Left;
case ScrollDirection.Right:
return Gdk.ScrollDirection.Right;
}
throw new InvalidOperationException("Invalid mouse scroll direction value: " + d);
}
}
}
|