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
|
/////////////////////////////////////////////////////////////////////////
// Copyright 2011-2018 Simon Schneegans
//
// 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.
/////////////////////////////////////////////////////////////////////////
namespace GnomePie {
/////////////////////////////////////////////////////////////////////////
/// A drop-down list, containing one entry for each existing Pie.
/////////////////////////////////////////////////////////////////////////
class PieComboList : Gtk.ComboBox {
/////////////////////////////////////////////////////////////////////
/// This signal gets emitted when the user selects a new Pie.
/////////////////////////////////////////////////////////////////////
public signal void on_select(string id);
/////////////////////////////////////////////////////////////////////
/// The currently selected row.
/////////////////////////////////////////////////////////////////////
public string current_id { get; private set; default=""; }
/////////////////////////////////////////////////////////////////////
/// Stores the data internally.
/////////////////////////////////////////////////////////////////////
private Gtk.ListStore data;
private enum DataPos {ICON, NAME, ID}
/////////////////////////////////////////////////////////////////////
/// C'tor, constructs the Widget.
/////////////////////////////////////////////////////////////////////
public PieComboList() {
GLib.Object();
this.data = new Gtk.ListStore(3, typeof(Gdk.Pixbuf),
typeof(string),
typeof(string));
this.data.set_sort_column_id(1, Gtk.SortType.ASCENDING);
base.set_model(this.data);
var icon_render = new Gtk.CellRendererPixbuf();
icon_render.xpad = 4;
this.pack_start(icon_render, false);
var name_render = new Gtk.CellRendererText();
this.pack_start(name_render, true);
this.add_attribute(icon_render, "pixbuf", DataPos.ICON);
this.add_attribute(name_render, "text", DataPos.NAME);
this.changed.connect(() => {
Gtk.TreeIter active;
if (this.get_active_iter(out active)) {
string id = "";
this.data.get(active, DataPos.ID, out id);
this.on_select(id);
this.current_id = id;
}
});
reload();
}
/////////////////////////////////////////////////////////////////////
/// Loads all existing Pies to the list.
/////////////////////////////////////////////////////////////////////
public void reload() {
Gtk.TreeIter active;
string id = "";
if (this.get_active_iter(out active))
this.data.get(active, DataPos.ID, out id);
data.clear();
foreach (var pie in PieManager.all_pies.entries) {
this.load_pie(pie.value);
}
select_first();
select(id);
}
/////////////////////////////////////////////////////////////////////
/// Selects the first Pie.
/////////////////////////////////////////////////////////////////////
public void select_first() {
Gtk.TreeIter active;
if(this.data.get_iter_first(out active) ) {
this.set_active_iter(active);
string id = "";
this.data.get(active, DataPos.ID, out id);
this.on_select(id);
this.current_id = id;
} else {
this.on_select("");
this.current_id = "";
}
}
/////////////////////////////////////////////////////////////////////
/// Selects the Pie with the given ID.
/////////////////////////////////////////////////////////////////////
public void select(string id) {
this.data.foreach((model, path, iter) => {
string pie_id;
this.data.get(iter, DataPos.ID, out pie_id);
if (id == pie_id) {
this.set_active_iter(iter);
return true;
}
return false;
});
}
/////////////////////////////////////////////////////////////////////
/// Loads one given pie to the list.
/////////////////////////////////////////////////////////////////////
private void load_pie(Pie pie) {
if (pie.id.length == 3) {
Gtk.TreeIter last;
this.data.append(out last);
var icon = new Icon(pie.icon, 24);
this.data.set(last, DataPos.ICON, icon.to_pixbuf(),
DataPos.NAME, pie.name,
DataPos.ID, pie.id);
}
}
}
}
|
