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
|
/* -*- Mode: Vala; indent-tabs-mode: nil; tab-width: 4 -*-
* -*- coding: utf-8 -*-
*
* Copyright (C) 2011 ~ 2018 Deepin, Inc.
* 2011 ~ 2018 Wang Yong
*
* Author: Wang Yong <wangyong@deepin.com>
* Maintainer: Wang Yong <wangyong@deepin.com>
*
* 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
* 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/>.
*/
using GLib;
namespace Keymap {
public string get_keyevent_name(Gdk.EventKey key_event) {
if ((key_event.is_modifier) != 0) {
return "";
} else {
var key_modifiers = get_key_event_modifiers(key_event);
var key_name = get_key_name(key_event.keyval);
if (key_modifiers.length == 0) {
return key_name;
} else {
var name = "";
foreach (string modifier in key_modifiers) {
name += modifier + " + ";
}
name += key_name;
return name;
}
}
}
public string[] get_key_event_modifiers(Gdk.EventKey key_event) {
string[] modifiers = {};
if ((key_event.state & Gdk.ModifierType.CONTROL_MASK) != 0) {
modifiers += "Ctrl";
}
if ((key_event.state & Gdk.ModifierType.SUPER_MASK) != 0) {
modifiers += "Super";
}
if ((key_event.state & Gdk.ModifierType.HYPER_MASK) != 0) {
modifiers += "Hyper";
}
if ((key_event.state & Gdk.ModifierType.MOD1_MASK) != 0) {
modifiers += "Alt";
}
if ((key_event.state & Gdk.ModifierType.SHIFT_MASK) != 0) {
modifiers += "Shift";
}
return modifiers;
}
public string get_key_name(uint keyval) {
unichar key_unicode = Gdk.keyval_to_unicode(Gdk.keyval_to_lower(keyval));
if (key_unicode == 0) { // function keys at top line of keyboard
var keyname = Gdk.keyval_name(keyval);
// Gdk.keyval_name will return null when user's hardware got KEY_UNKNOWN from hardware.
// So, we need return empty string to protect program won't crash later.
if (keyname == null) {
return "";
}
if (keyname == "ISO_Left_Tab") {
return "Tab";
} else {
return keyname;
}
} else {
if (key_unicode == 13) {
return "Enter";
} else if (key_unicode == 9) {
return "Tab";
} else if (key_unicode == 27) {
return "Esc";
} else if (key_unicode == 8) {
return "Backspace";
} else if (key_unicode == 127) {
return "Delete";
} else if (key_unicode == 32) {
return "Space";
} else {
return key_unicode.to_string();
}
}
}
public bool has_ctrl_mask(Gdk.EventKey key_event) {
string[] mask_list = {"Control_L", "Control_R"};
return get_key_name(key_event.keyval) in mask_list;
}
public bool has_shift_mask(Gdk.EventKey key_event) {
string[] mask_list = {"Shift_L", "Shift_R"};
return get_key_name(key_event.keyval) in mask_list;
}
public bool is_no_key_press(Gdk.EventKey key_event) {
return (key_event.is_modifier == 0 && get_key_name(key_event.keyval) == get_keyevent_name(key_event) ||
key_event.is_modifier != 0 && get_key_event_modifiers(key_event).length == 1);
}
}
|
