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
|
#include "openbox.h"
#include "event.h"
#include <glib.h>
#include <X11/Xlib.h>
static guint kgrabs, pgrabs, sgrabs;
#define MASK_LIST_SIZE 8
/*! A list of all possible combinations of keyboard lock masks */
static unsigned int mask_list[MASK_LIST_SIZE];
void grab_keyboard(gboolean grab)
{
if (grab) {
if (kgrabs++ == 0)
XGrabKeyboard(ob_display, ob_root, 0, GrabModeAsync, GrabModeSync,
CurrentTime);
} else if (kgrabs > 0) {
if (--kgrabs == 0)
XUngrabKeyboard(ob_display, CurrentTime);
}
}
void grab_pointer(gboolean grab, Cursor cur)
{
if (grab) {
if (pgrabs++ == 0)
XGrabPointer(ob_display, ob_root, False, 0, GrabModeAsync,
GrabModeAsync, FALSE, cur, CurrentTime);
} else if (pgrabs > 0) {
if (--pgrabs == 0)
XUngrabPointer(ob_display, CurrentTime);
}
}
void grab_server(gboolean grab)
{
if (grab) {
if (sgrabs++ == 0) {
XGrabServer(ob_display);
XSync(ob_display, FALSE);
}
} else if (sgrabs > 0) {
if (--sgrabs == 0) {
XUngrabServer(ob_display);
XFlush(ob_display);
}
}
}
void grab_startup()
{
guint i = 0;
kgrabs = pgrabs = sgrabs = 0;
mask_list[i++] = 0;
mask_list[i++] = LockMask;
mask_list[i++] = NumLockMask;
mask_list[i++] = LockMask | NumLockMask;
mask_list[i++] = ScrollLockMask;
mask_list[i++] = ScrollLockMask | LockMask;
mask_list[i++] = ScrollLockMask | NumLockMask;
mask_list[i++] = ScrollLockMask | LockMask | NumLockMask;
g_assert(i == MASK_LIST_SIZE);
}
void grab_shutdown()
{
while (kgrabs) grab_keyboard(FALSE);
while (pgrabs) grab_pointer(FALSE, None);
while (sgrabs) grab_server(FALSE);
}
void grab_button(guint button, guint state, Window win, guint mask,
int pointer_mode)
{
guint i;
for (i = 0; i < MASK_LIST_SIZE; ++i)
XGrabButton(ob_display, button, state | mask_list[i], win, FALSE, mask,
pointer_mode, GrabModeAsync, None, None);
}
void ungrab_button(guint button, guint state, Window win)
{
guint i;
for (i = 0; i < MASK_LIST_SIZE; ++i)
XUngrabButton(ob_display, button, state | mask_list[i], win);
}
void grab_key(guint keycode, guint state, int keyboard_mode)
{
guint i;
for (i = 0; i < MASK_LIST_SIZE; ++i)
XGrabKey(ob_display, keycode, state | mask_list[i], ob_root, FALSE,
GrabModeAsync, keyboard_mode);
}
void ungrab_all_keys()
{
XUngrabKey(ob_display, AnyKey, AnyModifier, ob_root);
}
|