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Bugfix: Correctly handle mode_switch state bit, more debugging output for states 

We abuse (1 << 8) as mode_switch bit, which is in the range of the
filtered state bits (see previous commit). Therefore, we need to
filter first and then check for mode_switch.

Furthermore, we used 0x2 before, which was just wrong. So, use our
bitmask, not the normal one (0x2).
This commit is contained in:
Michael Stapelberg 2009-05-19 15:22:50 +02:00
parent 77ab4c0b10
commit 7fde55578d
1 changed files with 12 additions and 11 deletions
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23
src/handlers.c
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@ -95,23 +95,24 @@ int handle_key_release(void *ignored, xcb_connection_t *conn, xcb_key_release_ev
* *
*/ */
int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_t *event) { int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_t *event) {
LOG("Keypress %d\n", event->detail); LOG("Keypress %d, state raw = %d\n", event->detail, event->state);
/* Remove the numlock bit, all other bits are modifiers we can bind to */
uint16_t state_filtered = event->state & ~(xcb_numlock_mask | XCB_MOD_MASK_LOCK);
LOG("(removed numlock, state = %d)\n", state_filtered);
/* Only use the lower 8 bits of the state (modifier masks) so that mouse
* button masks are filtered out */
state_filtered &= 0xFF;
LOG("(removed upper 8 bits, state = %d)\n", state_filtered);
/* We need to get the keysym group (There are group 1 to group 4, each holding /* We need to get the keysym group (There are group 1 to group 4, each holding
two keysyms (without shift and with shift) using Xkb because X fails to two keysyms (without shift and with shift) using Xkb because X fails to
provide them reliably (it works in Xephyr, it does not in real X) */ provide them reliably (it works in Xephyr, it does not in real X) */
XkbStateRec state; XkbStateRec state;
if (XkbGetState(xkbdpy, XkbUseCoreKbd, &state) == Success && (state.group+1) == 2) if (XkbGetState(xkbdpy, XkbUseCoreKbd, &state) == Success && (state.group+1) == 2)
event->state |= 0x2; state_filtered |= BIND_MODE_SWITCH;
LOG("state %d\n", event->state); LOG("(checked mode_switch, state %d)\n", state_filtered);
/* Remove the numlock bit, all other bits are modifiers we can bind to */
uint16_t state_filtered = event->state & ~(xcb_numlock_mask | XCB_MOD_MASK_LOCK);
/* Only use the lower 8 bits of the state (modifier masks) so that mouse
* button masks are filtered out */
state_filtered &= 0xFF;
/* Find the binding */ /* Find the binding */
Binding *bind; Binding *bind;
@ -128,7 +129,7 @@ int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_
} }
parse_command(conn, bind->command); parse_command(conn, bind->command);
if (event->state & 0x2) { if (state_filtered & BIND_MODE_SWITCH) {
LOG("Mode_switch -> allow_events(SyncKeyboard)\n"); LOG("Mode_switch -> allow_events(SyncKeyboard)\n");
xcb_allow_events(conn, SyncKeyboard, event->time); xcb_allow_events(conn, SyncKeyboard, event->time);
xcb_flush(conn); xcb_flush(conn);