2 * This work is licensed under the terms of the GNU GPL, version 2 or
3 * (at your option) any later version. See the COPYING file in the
6 #include "qemu/osdep.h"
7 #include "qemu/bitmap.h"
8 #include "qemu/queue.h"
9 #include "ui/console.h"
11 #include "ui/kbd-state.h"
16 DECLARE_BITMAP(keys
, Q_KEY_CODE__MAX
);
17 DECLARE_BITMAP(mods
, QKBD_MOD__MAX
);
20 static void qkbd_state_modifier_update(QKbdState
*kbd
,
21 QKeyCode qcode1
, QKeyCode qcode2
,
24 if (test_bit(qcode1
, kbd
->keys
) || test_bit(qcode2
, kbd
->keys
)) {
25 set_bit(mod
, kbd
->mods
);
27 clear_bit(mod
, kbd
->mods
);
31 bool qkbd_state_modifier_get(QKbdState
*kbd
, QKbdModifier mod
)
33 return test_bit(mod
, kbd
->mods
);
36 bool qkbd_state_key_get(QKbdState
*kbd
, QKeyCode qcode
)
38 return test_bit(qcode
, kbd
->keys
);
41 void qkbd_state_key_event(QKbdState
*kbd
, QKeyCode qcode
, bool down
)
43 bool state
= test_bit(qcode
, kbd
->keys
);
47 * Filter out events which don't change the keyboard state.
49 * Most notably this allows to simply send along all key-up
50 * events, and this function will filter out everything where
51 * the corresponding key-down event wasn't send to the guest,
52 * for example due to being a host hotkey.
57 /* update key and modifier state */
58 change_bit(qcode
, kbd
->keys
);
60 case Q_KEY_CODE_SHIFT
:
61 case Q_KEY_CODE_SHIFT_R
:
62 qkbd_state_modifier_update(kbd
, Q_KEY_CODE_SHIFT
, Q_KEY_CODE_SHIFT_R
,
66 case Q_KEY_CODE_CTRL_R
:
67 qkbd_state_modifier_update(kbd
, Q_KEY_CODE_CTRL
, Q_KEY_CODE_CTRL_R
,
71 qkbd_state_modifier_update(kbd
, Q_KEY_CODE_ALT
, Q_KEY_CODE_ALT
,
74 case Q_KEY_CODE_ALT_R
:
75 qkbd_state_modifier_update(kbd
, Q_KEY_CODE_ALT_R
, Q_KEY_CODE_ALT_R
,
78 case Q_KEY_CODE_CAPS_LOCK
:
80 change_bit(QKBD_MOD_CAPSLOCK
, kbd
->mods
);
83 case Q_KEY_CODE_NUM_LOCK
:
85 change_bit(QKBD_MOD_NUMLOCK
, kbd
->mods
);
94 if (qemu_console_is_graphic(kbd
->con
)) {
95 qemu_input_event_send_key_qcode(kbd
->con
, qcode
, down
);
96 if (kbd
->key_delay_ms
) {
97 qemu_input_event_send_key_delay(kbd
->key_delay_ms
);
102 void qkbd_state_lift_all_keys(QKbdState
*kbd
)
106 for (qcode
= 0; qcode
< Q_KEY_CODE__MAX
; qcode
++) {
107 if (test_bit(qcode
, kbd
->keys
)) {
108 qkbd_state_key_event(kbd
, qcode
, false);
113 void qkbd_state_set_delay(QKbdState
*kbd
, int delay_ms
)
115 kbd
->key_delay_ms
= delay_ms
;
118 void qkbd_state_free(QKbdState
*kbd
)
123 QKbdState
*qkbd_state_init(QemuConsole
*con
)
125 QKbdState
*kbd
= g_new0(QKbdState
, 1);