1 /*****************************************************************************
2 * x11.c: Global-Hotkey X11 handling for vlc
3 *****************************************************************************
4 * Copyright (C) 2009 the VideoLAN team
6 * Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21 *****************************************************************************/
27 #include <X11/keysym.h>
28 #include <X11/Xutil.h>
29 #include <X11/XF86keysym.h>
32 #include <vlc_common.h>
33 #include <vlc_plugin.h>
34 #include <vlc_interface.h>
37 /*****************************************************************************
39 *****************************************************************************/
40 static int Open( vlc_object_t *p_this );
41 static void Close( vlc_object_t *p_this );
43 /*****************************************************************************
45 *****************************************************************************/
47 set_shortname( _("Global Hotkeys") );
48 set_category( CAT_INTERFACE );
49 set_subcategory( SUBCAT_INTERFACE_HOTKEYS );
50 set_description( _("Global Hotkeys interface") );
51 set_capability( "interface", 0 );
52 set_callbacks( Open, Close );
68 hotkey_mapping_t *p_map;
71 static void Mapping( intf_thread_t *p_intf );
72 static void Register( intf_thread_t *p_intf );
73 static void Unregister( intf_thread_t *p_intf );
74 static void *Thread( void *p_data );
76 /*****************************************************************************
78 *****************************************************************************/
79 static int Open( vlc_object_t *p_this )
81 intf_thread_t *p_intf = (intf_thread_t *)p_this;
84 Display *p_display = XOpenDisplay( NULL );
88 p_intf->p_sys = p_sys = malloc( sizeof(*p_sys) );
91 XCloseDisplay( p_display );
94 p_sys->p_display = p_display;
98 if( vlc_clone( &p_sys->thread, Thread, p_intf, VLC_THREAD_PRIORITY_LOW ) )
100 Unregister( p_intf );
101 XCloseDisplay( p_display );
102 free( p_sys->p_map );
109 /*****************************************************************************
111 *****************************************************************************/
112 static void Close( vlc_object_t *p_this )
114 intf_thread_t *p_intf = (intf_thread_t *)p_this;
115 intf_sys_t *p_sys = p_intf->p_sys;
117 vlc_cancel( p_sys->thread );
118 vlc_join( p_sys->thread, NULL );
120 Unregister( p_intf );
121 XCloseDisplay( p_sys->p_display );
122 free( p_sys->p_map );
127 /*****************************************************************************
129 *****************************************************************************/
130 static unsigned GetModifier( Display *p_display, KeySym sym )
132 static const unsigned pi_mask[8] = {
133 ShiftMask, LockMask, ControlMask, Mod1Mask,
134 Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
137 const KeyCode key = XKeysymToKeycode( p_display, sym );
141 XModifierKeymap *p_map = XGetModifierMapping( p_display );
146 for( int i = 0; i < 8 * p_map->max_keypermod; i++ )
148 if( p_map->modifiermap[i] == key )
150 i_mask = pi_mask[i / p_map->max_keypermod];
155 XFreeModifiermap( p_map );
158 static unsigned GetX11Modifier( Display *p_display, unsigned i_vlc )
162 if( i_vlc & KEY_MODIFIER_ALT )
163 i_mask |= GetModifier( p_display, XK_Alt_L ) |
164 GetModifier( p_display, XK_Alt_R );
165 if( i_vlc & KEY_MODIFIER_CTRL )
166 i_mask |= GetModifier( p_display, XK_Control_L ) |
167 GetModifier( p_display, XK_Control_R );
168 if( i_vlc & KEY_MODIFIER_SHIFT )
169 i_mask |= GetModifier( p_display, XK_Shift_L ) |
170 GetModifier( p_display, XK_Shift_R );
174 /* FIXME this table is also used by the vout */
180 } x11keys_to_vlckeys[] =
182 { XK_F1, KEY_F1 }, { XK_F2, KEY_F2 }, { XK_F3, KEY_F3 }, { XK_F4, KEY_F4 },
183 { XK_F5, KEY_F5 }, { XK_F6, KEY_F6 }, { XK_F7, KEY_F7 }, { XK_F8, KEY_F8 },
184 { XK_F9, KEY_F9 }, { XK_F10, KEY_F10 }, { XK_F11, KEY_F11 },
187 { XK_Return, KEY_ENTER },
188 { XK_KP_Enter, KEY_ENTER },
189 { XK_space, KEY_SPACE },
190 { XK_Escape, KEY_ESC },
192 { XK_Menu, KEY_MENU },
193 { XK_Left, KEY_LEFT },
194 { XK_Right, KEY_RIGHT },
196 { XK_Down, KEY_DOWN },
198 { XK_Home, KEY_HOME },
200 { XK_Page_Up, KEY_PAGEUP },
201 { XK_Page_Down, KEY_PAGEDOWN },
203 { XK_Insert, KEY_INSERT },
204 { XK_Delete, KEY_DELETE },
205 { XF86XK_AudioNext, KEY_MEDIA_NEXT_TRACK},
206 { XF86XK_AudioPrev, KEY_MEDIA_PREV_TRACK},
207 { XF86XK_AudioMute, KEY_VOLUME_MUTE },
208 { XF86XK_AudioLowerVolume, KEY_VOLUME_DOWN },
209 { XF86XK_AudioRaiseVolume, KEY_VOLUME_UP },
210 { XF86XK_AudioPlay, KEY_MEDIA_PLAY_PAUSE },
211 { XF86XK_AudioPause, KEY_MEDIA_PLAY_PAUSE },
215 static KeySym GetX11Key( unsigned i_vlc )
217 for( int i = 0; x11keys_to_vlckeys[i].i_vlc != 0; i++ )
219 if( x11keys_to_vlckeys[i].i_vlc == i_vlc )
220 return x11keys_to_vlckeys[i].i_x11;
226 return XStringToKeysym( psz_key );
229 static void Mapping( intf_thread_t *p_intf )
231 static const KeySym p_x11_modifier_ignored[] = {
238 intf_sys_t *p_sys = p_intf->p_sys;
243 /* Registering of Hotkeys */
244 for( struct hotkey *p_hotkey = p_intf->p_libvlc->p_hotkeys;
245 p_hotkey->psz_action != NULL;
249 if( asprintf( &psz_hotkey, "global-%s", p_hotkey->psz_action ) < 0 )
252 const int i_vlc_action = p_hotkey->i_action;
253 const int i_vlc_key = config_GetInt( p_intf, psz_hotkey );
260 const KeyCode key = XKeysymToKeycode( p_sys->p_display,
261 GetX11Key( i_vlc_key & ~KEY_MODIFIER ) );
262 const unsigned i_modifier = GetX11Modifier( p_sys->p_display, i_vlc_key & KEY_MODIFIER );
264 for( int j = 0; j < sizeof(p_x11_modifier_ignored)/sizeof(*p_x11_modifier_ignored); j++ )
266 const unsigned i_ignored = GetModifier( p_sys->p_display, p_x11_modifier_ignored[j] );
267 if( j != 0 && i_ignored == 0x00)
270 hotkey_mapping_t *p_map_old = p_sys->p_map;
271 p_sys->p_map = realloc( p_sys->p_map, sizeof(*p_sys->p_map) * (p_sys->i_map+1) );
274 p_sys->p_map = p_map_old;
277 hotkey_mapping_t *p_map = &p_sys->p_map[p_sys->i_map++];
280 p_map->i_modifier = i_modifier|i_ignored;
281 p_map->i_action = i_vlc_action;
286 static void Register( intf_thread_t *p_intf )
288 intf_sys_t *p_sys = p_intf->p_sys;
290 for( int i = 0; i < p_sys->i_map; i++ )
292 hotkey_mapping_t *p_map = &p_sys->p_map[i];
293 XGrabKey( p_sys->p_display, p_map->i_x11, p_map->i_modifier,
294 DefaultRootWindow( p_sys->p_display ), True, GrabModeAsync, GrabModeAsync );
297 static void Unregister( intf_thread_t *p_intf )
299 intf_sys_t *p_sys = p_intf->p_sys;
301 for( int i = 0; i < p_sys->i_map; i++ )
303 hotkey_mapping_t *p_map = &p_sys->p_map[i];
304 XUngrabKey( p_sys->p_display, p_map->i_x11, p_map->i_modifier,
305 DefaultRootWindow( p_sys->p_display ) );
309 static void *Thread( void *p_data )
311 intf_thread_t *p_intf = p_data;
312 intf_sys_t *p_sys = p_intf->p_sys;
313 Display *p_display = p_sys->p_display;
315 int canc = vlc_savecancel();
324 int fd = ConnectionNumber( p_display );
327 /* Wait for x11 event */
328 vlc_restorecancel( canc );
329 struct pollfd fds = { .fd = fd, .events = POLLIN, };
330 if( poll( &fds, 1, -1 ) < 0 )
336 canc = vlc_savecancel();
338 while( XPending( p_display ) > 0 )
342 XNextEvent( p_display, &e );
343 if( e.type != KeyPress )
346 for( int i = 0; i < p_sys->i_map; i++ )
348 hotkey_mapping_t *p_map = &p_sys->p_map[i];
350 if( p_map->i_x11 == e.xkey.keycode &&
351 p_map->i_modifier == e.xkey.state )
353 var_SetInteger( p_intf->p_libvlc, "key-action", p_map->i_action );
360 vlc_restorecancel( canc );