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
|
/*
Copyright (c) 2011 by Simon Schneegans
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
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 General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace GnomePie {
/////////////////////////////////////////////////////////////////////////
/// A class which represents a key stroke. It can be used to "press"
/// the associated keys.
/////////////////////////////////////////////////////////////////////////
public class Key : GLib.Object {
/////////////////////////////////////////////////////////////////////
/// Some static members, which are often used by this class.
/////////////////////////////////////////////////////////////////////
private static X.Display display;
private static int shift_code;
private static int ctrl_code;
private static int alt_code;
private static int super_code;
/////////////////////////////////////////////////////////////////////
/// A human readable form of the Key's accelerator.
/////////////////////////////////////////////////////////////////////
public string label { get; private set; }
/////////////////////////////////////////////////////////////////////
/// The accelerator of the Key.
/////////////////////////////////////////////////////////////////////
public string accelerator { get; private set; }
/////////////////////////////////////////////////////////////////////
/// Keycode and modifiers of this stroke.
/////////////////////////////////////////////////////////////////////
private int key_code;
private Gdk.ModifierType modifiers;
/////////////////////////////////////////////////////////////////////
/// C'tor, initializes all members.
/////////////////////////////////////////////////////////////////////
public Key(string stroke) {
this.accelerator = stroke;
uint keysym;
Gtk.accelerator_parse(stroke, out keysym, out this.modifiers);
this.key_code = display.keysym_to_keycode(keysym);
this.label = Gtk.accelerator_get_label(keysym, this.modifiers);
}
/////////////////////////////////////////////////////////////////////
/// Initializes static members.
/////////////////////////////////////////////////////////////////////
static construct {
display = new X.Display();
shift_code = display.keysym_to_keycode(Gdk.keyval_from_name("Shift_L"));
ctrl_code = display.keysym_to_keycode(Gdk.keyval_from_name("Control_L"));
alt_code = display.keysym_to_keycode(Gdk.keyval_from_name("Alt_L"));
super_code = display.keysym_to_keycode(Gdk.keyval_from_name("Super_L"));
}
/////////////////////////////////////////////////////////////////////
/// Simulates the pressing of the Key .
/////////////////////////////////////////////////////////////////////
public void press() {
// store currently pressed modifier keys
Gdk.ModifierType current_modifiers = get_modifiers();
// release them and press the desired ones
press_modifiers(current_modifiers, false);
press_modifiers(this.modifiers, true);
// send events to X
display.flush();
// press and release the actual key
X.Test.fake_key_event(this.display, this.key_code, true, 0);
X.Test.fake_key_event(this.display, this.key_code, false, 0);
// release the pressed modifiers and re-press the keys hold down by the user
press_modifiers(this.modifiers, false);
press_modifiers(current_modifiers, true);
// send events to X
display.flush();
}
/////////////////////////////////////////////////////////////////////
/// Helper method returning currently hold down modifier keys.
/////////////////////////////////////////////////////////////////////
private Gdk.ModifierType get_modifiers() {
Gdk.ModifierType modifiers;
Gdk.Display.get_default().get_pointer(null, null, null, out modifiers);
return modifiers;
}
/////////////////////////////////////////////////////////////////////
/// Helper method which 'presses' the desired modifier keys.
/////////////////////////////////////////////////////////////////////
private void press_modifiers(Gdk.ModifierType modifiers, bool down) {
if ((modifiers & Gdk.ModifierType.CONTROL_MASK) > 0)
X.Test.fake_key_event(this.display, this.ctrl_code, down, 0);
if ((modifiers & Gdk.ModifierType.SHIFT_MASK) > 0)
X.Test.fake_key_event(this.display, this.shift_code, down, 0);
if ((modifiers & Gdk.ModifierType.MOD1_MASK) > 0)
X.Test.fake_key_event(this.display, this.alt_code, down, 0);
if ((modifiers & Gdk.ModifierType.SUPER_MASK) > 0)
X.Test.fake_key_event(this.display, this.super_code, down, 0);
}
}
}
|
