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
|
{ XKeyInput
Copyright (C) 2008 Tom Gregorovic
This source 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 2 of the
License, or (at your option) any later version.
This code 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.
A copy of the GNU General Public License is available on the World Wide Web at
<http://www.gnu.org/copyleft/gpl.html>. You can also obtain it by writing to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA.
}
unit XKeyInput;
{$mode objfpc}{$H+}
{$linklib Xtst}
interface
uses
Classes, SysUtils, Controls, Forms,
X, XLib, KeySym,
KeyInputIntf;
type
{ TXKeyInput }
TXKeyInput = class(TKeyInput)
protected
procedure DoDown(Key: Word); override;
procedure DoUp(Key: Word); override;
end;
function InitializeKeyInput: TKeyInput;
function XTestFakeKeyEvent(dpy: PDisplay; keycode: dword; is_press: Boolean;
delay: dword): longint; cdecl; external;
implementation
uses LCLType;
function InitializeKeyInput: TKeyInput;
begin
Result := TXKeyInput.Create;
end;
function VirtualKeyToXKeySym(Key: Word): TKeySym;
begin
case Key of
VK_BACK: Result := XK_BackSpace;
VK_TAB: Result := XK_Tab;
VK_CLEAR: Result := XK_Clear;
VK_RETURN: Result := XK_Return;
VK_SHIFT: Result := XK_Shift_L;
VK_CONTROL: Result := XK_Control_L;
VK_MENU: Result := XK_VoidSymbol; // alt key crashes app, XK_Alt_R;
VK_CAPITAL: Result := XK_Caps_Lock;
VK_ESCAPE: Result := XK_Escape;
VK_SPACE: Result := XK_space;
VK_PRIOR: Result := XK_Prior;
VK_NEXT: Result := XK_Next;
VK_END: Result := XK_End;
VK_HOME: Result := XK_Home;
VK_LEFT: Result := XK_Left;
VK_UP: Result := XK_Up;
VK_RIGHT: Result := XK_Right;
VK_DOWN: Result := XK_Down;
VK_SELECT: Result := XK_Select;
VK_PRINT: Result := XK_Print;
VK_EXECUTE: Result := XK_Execute;
VK_INSERT: Result := XK_Insert;
VK_DELETE: Result := XK_Delete;
VK_HELP: Result := XK_Help;
VK_0: Result := XK_0;
VK_1: Result := XK_1;
VK_2: Result := XK_2;
VK_3: Result := XK_3;
VK_4: Result := XK_4;
VK_5: Result := XK_5;
VK_6: Result := XK_6;
VK_7: Result := XK_7;
VK_8: Result := XK_8;
VK_9: Result := XK_9;
VK_A: Result := XK_a;
VK_B: Result := XK_b;
VK_C: Result := XK_c;
VK_D: Result := XK_d;
VK_E: Result := XK_e;
VK_F: Result := XK_f;
VK_G: Result := XK_g;
VK_H: Result := XK_h;
VK_I: Result := XK_i;
VK_J: Result := XK_j;
VK_K: Result := XK_k;
VK_L: Result := XK_l;
VK_M: Result := XK_m;
VK_N: Result := XK_n;
VK_O: Result := XK_o;
VK_P: Result := XK_p;
VK_Q: Result := XK_q;
VK_R: Result := XK_r;
VK_S: Result := XK_s;
VK_T: Result := XK_t;
VK_U: Result := XK_u;
VK_V: Result := XK_v;
VK_W: Result := XK_w;
VK_X: Result := XK_x;
VK_Y: Result := XK_y;
VK_Z: Result := XK_z;
VK_NUMPAD0: Result := XK_KP_0;
VK_NUMPAD1: Result := XK_KP_1;
VK_NUMPAD2: Result := XK_KP_2;
VK_NUMPAD3: Result := XK_KP_3;
VK_NUMPAD4: Result := XK_KP_4;
VK_NUMPAD5: Result := XK_KP_5;
VK_NUMPAD6: Result := XK_KP_6;
VK_NUMPAD7: Result := XK_KP_7;
VK_NUMPAD8: Result := XK_KP_8;
VK_NUMPAD9: Result := XK_KP_9;
VK_MULTIPLY: Result := XK_KP_Multiply;
VK_ADD: Result := XK_KP_Add;
VK_SEPARATOR: Result := XK_KP_Separator;
VK_SUBTRACT: Result := XK_KP_Subtract;
VK_DECIMAL: Result := XK_KP_Decimal;
VK_DIVIDE: Result := XK_KP_Divide;
VK_F1: Result := XK_F1;
VK_F2: Result := XK_F2;
VK_F3: Result := XK_F3;
VK_F4: Result := XK_F4;
VK_F5: Result := XK_F5;
VK_F6: Result := XK_F6;
VK_F7: Result := XK_F7;
VK_F8: Result := XK_F8;
VK_F9: Result := XK_F9;
VK_F10: Result := XK_F10;
VK_F11: Result := XK_F11;
VK_F12: Result := XK_F12;
VK_F13: Result := XK_F13;
VK_F14: Result := XK_F14;
VK_F15: Result := XK_F15;
VK_F16: Result := XK_F16;
VK_F17: Result := XK_F17;
VK_F18: Result := XK_F18;
VK_F19: Result := XK_F19;
VK_F20: Result := XK_F20;
VK_F21: Result := XK_F21;
VK_F22: Result := XK_F22;
VK_F23: Result := XK_F23;
VK_F24: Result := XK_F24;
VK_NUMLOCK: Result := XK_Num_Lock;
VK_SCROLL: Result := XK_Scroll_Lock;
else
Result := XK_VoidSymbol;
end;
end;
{ TXKeyInput }
procedure TXKeyInput.DoDown(Key: Word);
var
Display: PDisplay;
KeySym: TKeySym;
begin
KeySym := VirtualKeyToXKeySym(Key);
if KeySym = XK_VoidSymbol then Exit;
Display := XOpenDisplay(nil);
XTestFakeKeyEvent(Display, XKeysymToKeycode(Display, KeySym), True, 0);
XFlush(Display);
XCloseDisplay(Display);
end;
procedure TXKeyInput.DoUp(Key: Word);
var
Display: PDisplay;
KeySym: TKeySym;
begin
KeySym := VirtualKeyToXKeySym(Key);
if KeySym = XK_VoidSymbol then Exit;
Display := XOpenDisplay(nil);
XTestFakeKeyEvent(Display, XKeysymToKeycode(Display, KeySym), False, 0);
XFlush(Display);
XCloseDisplay(Display);
end;
end.
|
