--- /dev/null
+/*****************************************************************************
+ * globalhotkeys.c: Global-Hotkey handling for vlc
+ *****************************************************************************
+ * Copyright (C) 2008-2009 the VideoLAN team
+ *
+ * Authors: Domani Hannes <ssbssa at yahoo dot de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <ctype.h>
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_interface.h>
+#include <vlc_keys.h>
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static int Open( vlc_object_t *p_this );
+static void Close( vlc_object_t *p_this );
+static void *Thread( void *p_data );
+LRESULT CALLBACK WMHOTKEYPROC( HWND, UINT, WPARAM, LPARAM );
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+vlc_module_begin();
+ set_shortname( _("Global Hotkeys") );
+ set_category( CAT_INTERFACE );
+ set_subcategory( SUBCAT_INTERFACE_HOTKEYS );
+ set_description( _("Global Hotkeys interface") );
+ set_capability( "interface", 0 );
+ set_callbacks( Open, Close );
+vlc_module_end();
+
+struct intf_sys_t
+{
+ vlc_thread_t thread;
+ HWND hotkeyWindow;
+ vlc_mutex_t lock;
+ vlc_cond_t wait;
+};
+
+/*****************************************************************************
+ * Open: initialize interface
+ *****************************************************************************/
+static int Open( vlc_object_t *p_this )
+{
+ intf_thread_t *p_intf = (intf_thread_t *)p_this;
+ intf_sys_t *p_sys = malloc( sizeof (intf_sys_t) );
+
+ if( p_sys == NULL )
+ return VLC_ENOMEM;
+
+ p_intf->p_sys = p_sys;
+ p_sys->hotkeyWindow = NULL;
+ vlc_mutex_init( &p_sys->lock );
+ vlc_cond_init( &p_sys->wait );
+
+ if( vlc_clone( &p_sys->thread, Thread, p_intf, VLC_THREAD_PRIORITY_LOW ) )
+ {
+ vlc_mutex_destroy( &p_sys->lock );
+ vlc_cond_destroy( &p_sys->wait );
+ free( p_sys );
+ p_intf->p_sys = NULL;
+
+ return VLC_ENOMEM;
+ }
+
+ vlc_mutex_lock( &p_sys->lock );
+ while( p_sys->hotkeyWindow == NULL )
+ vlc_cond_wait( &p_sys->wait, &p_sys->lock );
+ if( p_sys->hotkeyWindow == INVALID_HANDLE_VALUE )
+ {
+ vlc_mutex_unlock( &p_sys->lock );
+ vlc_join( p_sys->thread, NULL );
+ vlc_mutex_destroy( &p_sys->lock );
+ vlc_cond_destroy( &p_sys->wait );
+ free( p_sys );
+ p_intf->p_sys = NULL;
+
+ return VLC_ENOMEM;
+ }
+ vlc_mutex_unlock( &p_sys->lock );
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Close: destroy interface
+ *****************************************************************************/
+static void Close( vlc_object_t *p_this )
+{
+ intf_thread_t *p_intf = (intf_thread_t *)p_this;
+ intf_sys_t *p_sys = p_intf->p_sys;
+
+ /* stop hotkey window */
+ vlc_mutex_lock( &p_sys->lock );
+ if( p_sys->hotkeyWindow != NULL )
+ PostMessage( p_sys->hotkeyWindow, WM_CLOSE, 0, 0 );
+ vlc_mutex_unlock( &p_sys->lock );
+
+ vlc_join( p_sys->thread, NULL );
+ vlc_mutex_destroy( &p_sys->lock );
+ vlc_cond_destroy( &p_sys->wait );
+ free( p_sys );
+}
+
+/*****************************************************************************
+ * Thread: main loop
+ *****************************************************************************/
+static void *Thread( void *p_data )
+{
+ MSG message;
+ UINT i_key, i_keyMod, i_vk;
+ ATOM atom;
+ char *psz_hotkey = NULL;
+
+ intf_thread_t *p_intf = p_data;
+ intf_sys_t *p_sys = p_intf->p_sys;
+
+ /* Window which receives Hotkeys */
+ vlc_mutex_lock( &p_sys->lock );
+ p_sys->hotkeyWindow =
+ (void*)CreateWindow( _T("STATIC"), /* name of window class */
+ _T("VLC ghk ") _T(VERSION), /* window title bar text */
+ 0, /* window style */
+ 0, /* default X coordinate */
+ 0, /* default Y coordinate */
+ 0, /* window width */
+ 0, /* window height */
+ NULL, /* no parent window */
+ NULL, /* no menu in this window */
+ GetModuleHandle(NULL), /* handle of this program instance */
+ NULL ); /* sent to WM_CREATE */
+
+ if( p_sys->hotkeyWindow == NULL )
+ {
+ p_sys->hotkeyWindow = INVALID_HANDLE_VALUE;
+ vlc_cond_signal( &p_sys->wait );
+ vlc_mutex_unlock( &p_sys->lock );
+ return NULL;
+ }
+ vlc_cond_signal( &p_sys->wait );
+ vlc_mutex_unlock( &p_sys->lock );
+
+ SetWindowLongPtr( p_sys->hotkeyWindow, GWL_WNDPROC,
+ (LONG_PTR)WMHOTKEYPROC );
+ SetWindowLongPtr( p_sys->hotkeyWindow, GWL_USERDATA,
+ (LONG_PTR)p_intf );
+
+ /* Registering of Hotkeys */
+ for( struct hotkey *p_hotkey = p_intf->p_libvlc->p_hotkeys;
+ p_hotkey->psz_action != NULL;
+ p_hotkey++ )
+ {
+ if( asprintf( &psz_hotkey, "global-%s", p_hotkey->psz_action ) < 0 )
+ break;
+
+ i_key = config_GetInt( p_intf, psz_hotkey );
+
+ free( psz_hotkey );
+
+ i_keyMod = 0;
+ if( i_key & KEY_MODIFIER_SHIFT ) i_keyMod |= MOD_SHIFT;
+ if( i_key & KEY_MODIFIER_ALT ) i_keyMod |= MOD_ALT;
+ if( i_key & KEY_MODIFIER_CTRL ) i_keyMod |= MOD_CONTROL;
+
+#define HANDLE( key ) case KEY_##key: i_vk = VK_##key; break
+#define HANDLE2( key, key2 ) case KEY_##key: i_vk = VK_##key2; break
+
+#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
+
+ i_vk = 0;
+ switch( i_key & ~KEY_MODIFIER )
+ {
+ HANDLE( LEFT );
+ HANDLE( RIGHT );
+ HANDLE( UP );
+ HANDLE( DOWN );
+ HANDLE( SPACE );
+ HANDLE2( ESC, ESCAPE );
+ HANDLE2( ENTER, RETURN );
+ HANDLE( F1 );
+ HANDLE( F2 );
+ HANDLE( F3 );
+ HANDLE( F4 );
+ HANDLE( F5 );
+ HANDLE( F6 );
+ HANDLE( F7 );
+ HANDLE( F8 );
+ HANDLE( F9 );
+ HANDLE( F10 );
+ HANDLE( F11 );
+ HANDLE( F12 );
+ HANDLE( PAGEUP );
+ HANDLE( PAGEDOWN );
+ HANDLE( HOME );
+ HANDLE( END );
+ HANDLE( INSERT );
+ HANDLE( DELETE );
+ HANDLE( VOLUME_DOWN );
+ HANDLE( VOLUME_UP );
+ HANDLE( MEDIA_PLAY_PAUSE );
+ HANDLE( MEDIA_STOP );
+ HANDLE( MEDIA_PREV_TRACK );
+ HANDLE( MEDIA_NEXT_TRACK );
+
+ default:
+ i_vk = toupper( i_key & ~KEY_MODIFIER );
+ break;
+ }
+ if( !i_vk ) continue;
+
+#undef HANDLE
+#undef HANDLE2
+
+ atom = GlobalAddAtomA( p_hotkey->psz_action );
+ if( !atom ) continue;
+
+ if( !RegisterHotKey( p_sys->hotkeyWindow, atom, i_keyMod, i_vk ) )
+ GlobalDeleteAtom( atom );
+ }
+
+ /* Main message loop */
+ while( GetMessage( &message, NULL, 0, 0 ) )
+ DispatchMessage( &message );
+
+ /* Unregistering of Hotkeys */
+ for( struct hotkey *p_hotkey = p_intf->p_libvlc->p_hotkeys;
+ p_hotkey->psz_action != NULL;
+ p_hotkey++ )
+ {
+ atom = GlobalFindAtomA( p_hotkey->psz_action );
+ if( !atom ) continue;
+
+ if( UnregisterHotKey( p_sys->hotkeyWindow, atom ) )
+ GlobalDeleteAtom( atom );
+ }
+
+ /* close window */
+ vlc_mutex_lock( &p_sys->lock );
+ DestroyWindow( p_sys->hotkeyWindow );
+ p_sys->hotkeyWindow = NULL;
+ vlc_mutex_unlock( &p_sys->lock );
+
+ return NULL;
+}
+
+/*****************************************************************************
+ * WMHOTKEYPROC: event callback
+ *****************************************************************************/
+LRESULT CALLBACK WMHOTKEYPROC( HWND hwnd, UINT uMsg, WPARAM wParam,
+ LPARAM lParam )
+{
+ switch( uMsg )
+ {
+ case WM_HOTKEY:
+ {
+ int i;
+ char psz_atomName[40];
+
+ intf_thread_t *p_intf =
+ (intf_thread_t*)GetWindowLongPtr( hwnd, GWL_USERDATA );
+ struct hotkey *p_hotkeys = p_intf->p_libvlc->p_hotkeys;
+
+ i = GlobalGetAtomNameA(
+ wParam, psz_atomName, sizeof( psz_atomName ) );
+ if( !i ) return 0;
+
+ /* search for key associated with VLC */
+ for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
+ {
+ if( strcmp( p_hotkeys[i].psz_action, psz_atomName ) )
+ continue;
+
+ var_SetInteger( p_intf->p_libvlc,
+ "key-action", p_hotkeys[i].i_action );
+
+ return 1;
+ }
+ }
+ break;
+
+ case WM_DESTROY:
+ PostQuitMessage( 0 );
+ break;
+
+ default:
+ return DefWindowProc( hwnd, uMsg, wParam, lParam );
+ }
+
+ return 0;
+}
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