static void Mapping( intf_thread_t *p_intf )
{
static const xcb_keysym_t p_x11_modifier_ignored[] = {
0,
XK_Num_Lock,
XK_Scroll_Lock,
XK_Caps_Lock,
};
intf_sys_t *p_sys = p_intf->p_sys;
p_sys->i_map = 0;
p_sys->p_map = NULL;
/* Registering of Hotkeys */
for( struct hotkey *p_hotkey = p_intf->p_libvlc->p_hotkeys;
p_hotkey->psz_action != NULL;
p_hotkey++ )
{
char *psz_hotkey;
if( asprintf( &psz_hotkey, "global-%s", p_hotkey->psz_action ) < 0 )
break;
const int i_vlc_action = p_hotkey->i_action;
const int i_vlc_key = config_GetInt( p_intf, psz_hotkey );
free( psz_hotkey );
if( !i_vlc_key )
continue;
const xcb_keycode_t key = xcb_key_symbols_get_keycode( p_sys->p_symbols, GetX11Key( i_vlc_key & ~KEY_MODIFIER ) );
const unsigned i_modifier = GetX11Modifier( p_sys->p_connection, p_sys->p_symbols, i_vlc_key & KEY_MODIFIER );
for( int j = 0; j < sizeof(p_x11_modifier_ignored)/sizeof(*p_x11_modifier_ignored); j++ )
{
const unsigned i_ignored = GetModifier( p_sys->p_connection, p_sys->p_symbols, p_x11_modifier_ignored[j] );
if( j != 0 && i_ignored == 0x00)
continue;
hotkey_mapping_t *p_map_old = p_sys->p_map;
p_sys->p_map = realloc( p_sys->p_map, sizeof(*p_sys->p_map) * (p_sys->i_map+1) );
if( !p_sys->p_map )
{
p_sys->p_map = p_map_old;
break;
}
hotkey_mapping_t *p_map = &p_sys->p_map[p_sys->i_map++];
p_map->i_x11 = key;
p_map->i_modifier = i_modifier|i_ignored;
p_map->i_action = i_vlc_action;
}
}
}
void MainWindow::setHotKey(const QKeySequence& hotKey_) {
// platform-specific code for global key grabbing
#ifdef WIN32
UINT i_vk, i_mod = 0;
if(!hotKey.isEmpty()) {
// disable previous hotkey
UnregisterHotKey(NULL, 10);
}
hotKey = hotKey_;
nativeFilter.setHotKey(hotKey);
settings.setValue("hotkey", hotKey);
if(hotKey.isEmpty()) return;
int key = hotKey[0];
if(key & Qt::ALT) i_mod |= MOD_ALT;
if(key & Qt::CTRL) i_mod |= MOD_CONTROL;
if(key & Qt::SHIFT) i_mod |= MOD_SHIFT;
key = key & ~(Qt::ALT | Qt::CTRL | Qt::SHIFT | Qt::META);
#ifndef VK_VOLUME_DOWN
#define VK_VOLUME_DOWN 0xAE
#define VK_VOLUME_UP 0xAF
#endif
#ifndef VK_MEDIA_NEXT_TRACK
#define VK_MEDIA_NEXT_TRACK 0xB0
#define VK_MEDIA_PREV_TRACK 0xB1
#define VK_MEDIA_STOP 0xB2
#define VK_MEDIA_PLAY_PAUSE 0xB3
#endif
#ifndef VK_PAGEUP
#define VK_PAGEUP 0x21
#define VK_PAGEDOWN 0x22
#endif
switch(key) {
case Qt::Key_Left: i_vk = VK_LEFT; break;
case Qt::Key_Right: i_vk = VK_RIGHT; break;
case Qt::Key_Up: i_vk = VK_UP; break;
case Qt::Key_Down: i_vk = VK_DOWN; break;
case Qt::Key_Space: i_vk = VK_SPACE; break;
case Qt::Key_Escape: i_vk = VK_ESCAPE; break;
case Qt::Key_Enter: i_vk = VK_RETURN; break;
case Qt::Key_Return: i_vk = VK_RETURN; break;
case Qt::Key_F1: i_vk = VK_F1; break;
case Qt::Key_F2: i_vk = VK_F2; break;
case Qt::Key_F3: i_vk = VK_F3; break;
case Qt::Key_F4: i_vk = VK_F4; break;
case Qt::Key_F5: i_vk = VK_F5; break;
case Qt::Key_F6: i_vk = VK_F6; break;
case Qt::Key_F7: i_vk = VK_F7; break;
case Qt::Key_F8: i_vk = VK_F8; break;
case Qt::Key_F9: i_vk = VK_F9; break;
case Qt::Key_F10: i_vk = VK_F10; break;
case Qt::Key_F11: i_vk = VK_F11; break;
case Qt::Key_F12: i_vk = VK_F12; break;
case Qt::Key_PageUp: i_vk = VK_PAGEUP; break;
case Qt::Key_PageDown: i_vk = VK_PAGEDOWN; break;
case Qt::Key_Home: i_vk = VK_HOME; break;
case Qt::Key_End: i_vk = VK_END; break;
case Qt::Key_Insert: i_vk = VK_INSERT; break;
case Qt::Key_Delete: i_vk = VK_DELETE; break;
case Qt::Key_VolumeDown: i_vk = VK_VOLUME_DOWN; break;
case Qt::Key_VolumeUp: i_vk = VK_VOLUME_UP; break;
case Qt::Key_MediaTogglePlayPause: i_vk = VK_MEDIA_PLAY_PAUSE; break;
case Qt::Key_MediaStop: i_vk = VK_MEDIA_STOP; break;
case Qt::Key_MediaPrevious: i_vk = VK_MEDIA_PREV_TRACK; break;
case Qt::Key_MediaNext: i_vk = VK_MEDIA_NEXT_TRACK; break;
default:
i_vk = toupper( key );
break;
}
if(!RegisterHotKey(NULL, 10, i_mod, i_vk)) {
hotKey = QKeySequence();
nativeFilter.setHotKey(hotKey);
settings.setValue("hotkey", hotKey);
QMessageBox::warning(this, "Key binding failed", "Binding global hotkey failed.");
}
#elif LINUX
auto platform = qApp->platformNativeInterface();
xcb_connection_t *c = static_cast<xcb_connection_t*>(platform->nativeResourceForWindow("connection", 0));
xcb_key_symbols_t *keysyms = xcb_key_symbols_alloc(c);
if(!hotKey.isEmpty()) {
// remove previous bindings from all screens
xcb_screen_iterator_t iter;
iter = xcb_setup_roots_iterator (xcb_get_setup (c));
for (; iter.rem; xcb_screen_next (&iter)) {
xcb_ungrab_key(c, XCB_GRAB_ANY, iter.data->root, XCB_MOD_MASK_ANY);
}
}
hotKey = hotKey_;
nativeFilter.setHotKey(hotKey);
settings.setValue("hotkey", hotKey);
if(hotKey.isEmpty()) return;
xcb_keysym_t keysym = GetX11Key(hotKey[0]);
xcb_keycode_t *keycodes = xcb_key_symbols_get_keycode(keysyms, keysym), keycode;
if(!keycodes) {
hotKey = QKeySequence();
nativeFilter.setHotKey(hotKey);
settings.setValue("hotkey", hotKey);
QMessageBox::warning(this, "Key binding failed", "Binding global hotkey failed.");
free(keysyms);
return;
}
// add bindings for all screens
xcb_screen_iterator_t iter;
iter = xcb_setup_roots_iterator (xcb_get_setup (c));
bool any_failed = false;
for (; iter.rem; xcb_screen_next (&iter)) {
int i = 0;
while(keycodes[i] != XCB_NO_SYMBOL) {
keycode = keycodes[i];
for(auto modifier : GetX11Modifier(c, keysyms, hotKey[0])) {
auto cookie = xcb_grab_key_checked(c, true, iter.data->root,
modifier, keycode, XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_SYNC);
if(xcb_request_check(c, cookie)) {
any_failed = true;
}
}
i += 1;
}
}
if(any_failed) {
QMessageBox::warning(this, "Key binding warning",
"Warning: Global hotkey binding problem detected. Some other program might have a conflicting "
"key binding. If the hotkey doesn't work, try closing some programs or using a different hotkey.");
}
free(keysyms);
free(keycodes);
#endif // WIN32 or LINUX
}
static bool Mapping( intf_thread_t *p_intf )
{
static const xcb_keysym_t p_x11_modifier_ignored[] = {
0,
XK_Num_Lock,
XK_Scroll_Lock,
XK_Caps_Lock,
};
intf_sys_t *p_sys = p_intf->p_sys;
bool active = false;
p_sys->i_map = 0;
p_sys->p_map = NULL;
/* Registering of Hotkeys */
for( const struct hotkey *p_hotkey = p_intf->p_libvlc->p_hotkeys;
p_hotkey->psz_action != NULL;
p_hotkey++ )
{
char varname[12 + strlen( p_hotkey->psz_action )];
sprintf( varname, "global-key-%s", p_hotkey->psz_action );
char *key = var_InheritString( p_intf, varname );
if( key == NULL )
continue;
uint_fast32_t i_vlc_key = vlc_str2keycode( key );
free( key );
if( i_vlc_key == KEY_UNSET )
continue;
xcb_keycode_t *p_keys = xcb_key_symbols_get_keycode(
p_sys->p_symbols, GetX11Key( i_vlc_key & ~KEY_MODIFIER ) );
if( !p_keys )
continue;
const unsigned i_modifier = GetX11Modifier( p_sys->p_connection,
p_sys->p_symbols, i_vlc_key & KEY_MODIFIER );
const size_t max = sizeof(p_x11_modifier_ignored) /
sizeof(*p_x11_modifier_ignored);
for( unsigned int i = 0; i < max; i++ )
{
const unsigned i_ignored = GetModifier( p_sys->p_connection,
p_sys->p_symbols, p_x11_modifier_ignored[i] );
if( i != 0 && i_ignored == 0)
continue;
hotkey_mapping_t *p_map_old = p_sys->p_map;
p_sys->p_map = realloc( p_sys->p_map,
sizeof(*p_sys->p_map) * (p_sys->i_map+1) );
if( !p_sys->p_map )
{
p_sys->p_map = p_map_old;
break;
}
hotkey_mapping_t *p_map = &p_sys->p_map[p_sys->i_map++];
p_map->p_keys = p_keys;
p_map->i_modifier = i_modifier|i_ignored;
p_map->i_vlc = i_vlc_key;
active = true;
}
}
return active;
}
bool ZealNativeEventFilter::nativeEventFilter(const QByteArray &eventType, void *message, long *result)
{
enabled = true;
#ifdef WIN32
MSG* msg = static_cast<MSG*>(message);
if(WM_HOTKEY == msg->message && msg->wParam == 10) {
emit gotHotKey();
return true;
}
#elsif LINUX // WIN32 or LINUX
xcb_generic_event_t* ev = static_cast<xcb_generic_event_t*>(message);
if(((ev->response_type&127) == XCB_KEY_PRESS || (ev->response_type&127) == XCB_KEY_RELEASE) && !hotKey.isEmpty()) {
// XCB_KEY_RELEASE must be ignored by Qt because otherwise it causes SIGSEGV in QXcbKeyboard::handleKeyReleaseEvent
xcb_connection_t *c = static_cast<xcb_connection_t*>(
((QGuiApplication*)QGuiApplication::instance())->
platformNativeInterface()->nativeResourceForWindow("connection", 0));
xcb_key_press_event_t *event = (xcb_key_press_event_t *)ev;
xcb_key_symbols_t *keysyms = xcb_key_symbols_alloc(c);
xcb_keycode_t *keycodes = xcb_key_symbols_get_keycode(keysyms, GetX11Key(hotKey[0]));
bool found = false;
// found=true means either (a) complete hotkey was pressed, or (b) any of its separate
// keys was released. We return true in both cases, because key releases while window
// is not present cause SIGSEGV in QXcbKeyboard::handleKeyReleaseEvent
if((ev->response_type&127) == XCB_KEY_RELEASE) {
QList<QPair<int, Qt::Modifier> > modifiers;
modifiers.append(qMakePair(XK_Alt_L, Qt::ALT));
modifiers.append(qMakePair(XK_Alt_R, Qt::ALT));
modifiers.append(qMakePair(XK_Control_L, Qt::CTRL));
modifiers.append(qMakePair(XK_Control_R, Qt::CTRL));
modifiers.append(qMakePair(XK_Meta_L, Qt::META));
modifiers.append(qMakePair(XK_Meta_R, Qt::META));
for(auto modifier : modifiers) {
if(!(hotKey[0] & modifier.second)) {
continue;
}
xcb_keycode_t *mod_keycodes = xcb_key_symbols_get_keycode(keysyms, modifier.first);
if(mod_keycodes == nullptr) continue;
int i = 0;
while(mod_keycodes[i] != XCB_NO_SYMBOL) {
if(event->detail == mod_keycodes[i]) {
found = true;
}
i += 1;
}
free(mod_keycodes);
}
}
int i = 0;
while(keycodes[i] != XCB_NO_SYMBOL) {
if(event->detail == keycodes[i]) {
bool modifiers_present = true;
if(hotKey[0] & Qt::ALT) {
if(!(event->state & GetModifier(c, keysyms, XK_Alt_L) || event->state & GetModifier(c, keysyms, XK_Alt_R))) {
modifiers_present = false;
}
}
if(hotKey[0] & Qt::CTRL) {
if(!(event->state & GetModifier(c, keysyms, XK_Control_L) || event->state & GetModifier(c, keysyms, XK_Control_R))) {
modifiers_present = false;
}
}
if(hotKey[0] & Qt::META) {
if(!(event->state & GetModifier(c, keysyms, XK_Meta_L) || event->state & GetModifier(c, keysyms, XK_Meta_R))) {
modifiers_present = false;
}
}
if(hotKey[0] & Qt::SHIFT) {
if(!(event->state & GetModifier(c, keysyms, XK_Shift_L) || event->state & GetModifier(c, keysyms, XK_Shift_R))) {
modifiers_present = false;
}
}
if(enabled && modifiers_present) {
xcb_allow_events(c, XCB_ALLOW_ASYNC_KEYBOARD, event->time);
if((ev->response_type&127) == XCB_KEY_PRESS) {
emit gotHotKey();
}
found = true;
} else {
if((ev->response_type&127) == XCB_KEY_RELEASE) {
found = true;
}
xcb_allow_events(c, XCB_ALLOW_REPLAY_KEYBOARD, event->time);
}
break;
}
i += 1;
}
free(keysyms);
free(keycodes);
if(found) return true;
}
#endif // WIN32 or LINUX
return false;
}
