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324 lines
10 KiB
324 lines
10 KiB
/*****************************************************************************
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* win32.c: Global-Hotkey _WIN32 handling for vlc
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*****************************************************************************
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* Copyright (C) 2008-2009 the VideoLAN team
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*
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* Authors: Domani Hannes <ssbssa at yahoo dot de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <ctype.h>
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#define VLC_MODULE_LICENSE VLC_LICENSE_GPL_2_PLUS
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#include <vlc_common.h>
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#include <vlc_plugin.h>
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#include <vlc_interface.h>
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#include <vlc_actions.h>
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/*****************************************************************************
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* Local prototypes
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*****************************************************************************/
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static int Open( vlc_object_t *p_this );
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static void Close( vlc_object_t *p_this );
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static void *Thread( void *p_data );
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LRESULT CALLBACK WMHOTKEYPROC( HWND, UINT, WPARAM, LPARAM );
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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vlc_module_begin()
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set_shortname( N_("Global Hotkeys") )
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set_category( CAT_INTERFACE )
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set_subcategory( SUBCAT_INTERFACE_HOTKEYS )
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set_description( N_("Global Hotkeys interface") )
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set_capability( "interface", 0 )
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set_callbacks( Open, Close )
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add_shortcut( "globalhotkeys" )
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vlc_module_end()
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struct intf_sys_t
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{
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vlc_thread_t thread;
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HWND hotkeyWindow;
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vlc_mutex_t lock;
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vlc_cond_t wait;
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};
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/*****************************************************************************
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* Open: initialize interface
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*****************************************************************************/
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static int Open( vlc_object_t *p_this )
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{
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intf_thread_t *p_intf = (intf_thread_t *)p_this;
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intf_sys_t *p_sys = malloc( sizeof (intf_sys_t) );
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if( p_sys == NULL )
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return VLC_ENOMEM;
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p_intf->p_sys = p_sys;
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p_sys->hotkeyWindow = NULL;
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vlc_mutex_init( &p_sys->lock );
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vlc_cond_init( &p_sys->wait );
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if( vlc_clone( &p_sys->thread, Thread, p_intf, VLC_THREAD_PRIORITY_LOW ) )
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{
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vlc_mutex_destroy( &p_sys->lock );
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vlc_cond_destroy( &p_sys->wait );
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free( p_sys );
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p_intf->p_sys = NULL;
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return VLC_ENOMEM;
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}
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vlc_mutex_lock( &p_sys->lock );
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while( p_sys->hotkeyWindow == NULL )
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vlc_cond_wait( &p_sys->wait, &p_sys->lock );
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if( p_sys->hotkeyWindow == INVALID_HANDLE_VALUE )
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{
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vlc_mutex_unlock( &p_sys->lock );
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vlc_join( p_sys->thread, NULL );
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vlc_mutex_destroy( &p_sys->lock );
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vlc_cond_destroy( &p_sys->wait );
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free( p_sys );
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p_intf->p_sys = NULL;
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return VLC_ENOMEM;
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}
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vlc_mutex_unlock( &p_sys->lock );
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return VLC_SUCCESS;
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}
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/*****************************************************************************
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* Close: destroy interface
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*****************************************************************************/
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static void Close( vlc_object_t *p_this )
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{
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intf_thread_t *p_intf = (intf_thread_t *)p_this;
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intf_sys_t *p_sys = p_intf->p_sys;
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/* stop hotkey window */
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vlc_mutex_lock( &p_sys->lock );
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if( p_sys->hotkeyWindow != NULL )
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PostMessage( p_sys->hotkeyWindow, WM_CLOSE, 0, 0 );
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vlc_mutex_unlock( &p_sys->lock );
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vlc_join( p_sys->thread, NULL );
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vlc_mutex_destroy( &p_sys->lock );
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vlc_cond_destroy( &p_sys->wait );
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free( p_sys );
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}
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/*****************************************************************************
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* Thread: main loop
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*****************************************************************************/
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static void *Thread( void *p_data )
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{
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MSG message;
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intf_thread_t *p_intf = p_data;
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intf_sys_t *p_sys = p_intf->p_sys;
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/* Window which receives Hotkeys */
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vlc_mutex_lock( &p_sys->lock );
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p_sys->hotkeyWindow =
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(void*)CreateWindow( _T("STATIC"), /* name of window class */
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_T("VLC ghk ") _T(VERSION), /* window title bar text */
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0, /* window style */
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0, /* default X coordinate */
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0, /* default Y coordinate */
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0, /* window width */
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0, /* window height */
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NULL, /* no parent window */
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NULL, /* no menu in this window */
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GetModuleHandle(NULL), /* handle of this program instance */
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NULL ); /* sent to WM_CREATE */
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if( p_sys->hotkeyWindow == NULL )
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{
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p_sys->hotkeyWindow = INVALID_HANDLE_VALUE;
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vlc_cond_signal( &p_sys->wait );
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vlc_mutex_unlock( &p_sys->lock );
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return NULL;
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}
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vlc_cond_signal( &p_sys->wait );
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vlc_mutex_unlock( &p_sys->lock );
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SetWindowLongPtr( p_sys->hotkeyWindow, GWLP_WNDPROC,
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(LONG_PTR)WMHOTKEYPROC );
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SetWindowLongPtr( p_sys->hotkeyWindow, GWLP_USERDATA,
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(LONG_PTR)p_intf );
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/* Registering of Hotkeys */
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for( const char* const* ppsz_keys = vlc_actions_get_key_names( p_intf );
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*ppsz_keys != NULL; ppsz_keys++ )
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{
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uint_fast32_t *p_keys;
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size_t i_nb_keys = vlc_actions_get_keycodes( p_intf, *ppsz_keys, true,
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&p_keys );
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for( size_t i = 0; i < i_nb_keys; ++i )
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{
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uint_fast32_t i_key = p_keys[i];
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UINT i_keyMod = 0;
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if( i_key & KEY_MODIFIER_SHIFT ) i_keyMod |= MOD_SHIFT;
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if( i_key & KEY_MODIFIER_ALT ) i_keyMod |= MOD_ALT;
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if( i_key & KEY_MODIFIER_CTRL ) i_keyMod |= MOD_CONTROL;
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#define HANDLE( key ) case KEY_##key: i_vk = VK_##key; break
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#define HANDLE2( key, key2 ) case KEY_##key: i_vk = VK_##key2; break
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#define KEY_SPACE ' '
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#ifndef VK_VOLUME_DOWN
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#define VK_VOLUME_DOWN 0xAE
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#define VK_VOLUME_UP 0xAF
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#endif
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#ifndef VK_MEDIA_NEXT_TRACK
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#define VK_MEDIA_NEXT_TRACK 0xB0
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#define VK_MEDIA_PREV_TRACK 0xB1
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#define VK_MEDIA_STOP 0xB2
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#define VK_MEDIA_PLAY_PAUSE 0xB3
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#endif
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#ifndef VK_PAGEUP
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#define VK_PAGEUP 0x21
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#define VK_PAGEDOWN 0x22
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#endif
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UINT i_vk = 0;
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switch( i_key & ~KEY_MODIFIER )
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{
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HANDLE( LEFT );
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HANDLE( RIGHT );
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HANDLE( UP );
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HANDLE( DOWN );
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HANDLE( SPACE );
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HANDLE2( ESC, ESCAPE );
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HANDLE2( ENTER, RETURN );
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HANDLE( F1 );
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HANDLE( F2 );
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HANDLE( F3 );
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HANDLE( F4 );
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HANDLE( F5 );
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HANDLE( F6 );
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HANDLE( F7 );
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HANDLE( F8 );
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HANDLE( F9 );
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HANDLE( F10 );
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HANDLE( F11 );
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HANDLE( F12 );
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HANDLE( PAGEUP );
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HANDLE( PAGEDOWN );
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HANDLE( HOME );
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HANDLE( END );
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HANDLE( INSERT );
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HANDLE( DELETE );
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HANDLE( VOLUME_DOWN );
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HANDLE( VOLUME_UP );
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HANDLE( MEDIA_PLAY_PAUSE );
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HANDLE( MEDIA_STOP );
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HANDLE( MEDIA_PREV_TRACK );
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HANDLE( MEDIA_NEXT_TRACK );
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default:
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i_vk = toupper( (uint8_t)(i_key & ~KEY_MODIFIER) );
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break;
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}
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if( !i_vk ) continue;
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#undef HANDLE
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#undef HANDLE2
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ATOM atom = GlobalAddAtomA( *ppsz_keys );
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if( !atom ) continue;
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if( !RegisterHotKey( p_sys->hotkeyWindow, atom, i_keyMod, i_vk ) )
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GlobalDeleteAtom( atom );
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}
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free( p_keys );
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}
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/* Main message loop */
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while( GetMessage( &message, NULL, 0, 0 ) )
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DispatchMessage( &message );
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/* Unregistering of Hotkeys */
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for( const char* const* ppsz_keys = vlc_actions_get_key_names( p_intf );
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*ppsz_keys != NULL; ppsz_keys++ )
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{
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ATOM atom = GlobalFindAtomA( *ppsz_keys );
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if( !atom ) continue;
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if( UnregisterHotKey( p_sys->hotkeyWindow, atom ) )
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GlobalDeleteAtom( atom );
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}
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/* close window */
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vlc_mutex_lock( &p_sys->lock );
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DestroyWindow( p_sys->hotkeyWindow );
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p_sys->hotkeyWindow = NULL;
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vlc_mutex_unlock( &p_sys->lock );
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return NULL;
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}
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/*****************************************************************************
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* WMHOTKEYPROC: event callback
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*****************************************************************************/
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LRESULT CALLBACK WMHOTKEYPROC( HWND hwnd, UINT uMsg, WPARAM wParam,
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LPARAM lParam )
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{
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switch( uMsg )
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{
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case WM_HOTKEY:
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{
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char psz_atomName[44];
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LONG_PTR ret = GetWindowLongPtr( hwnd, GWLP_USERDATA );
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intf_thread_t *p_intf = (intf_thread_t*)ret;
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strcpy( psz_atomName, "key-" );
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if( !GlobalGetAtomNameA(
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wParam, psz_atomName + 4,
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sizeof( psz_atomName ) - 4 ) )
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return 0;
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/* search for key associated with VLC */
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vlc_action_id_t action = vlc_actions_get_id( psz_atomName );
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if( action != ACTIONID_NONE )
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{
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var_SetInteger( p_intf->obj.libvlc,
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"key-action", action );
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return 1;
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}
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}
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break;
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case WM_DESTROY:
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PostQuitMessage( 0 );
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break;
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default:
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return DefWindowProc( hwnd, uMsg, wParam, lParam );
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}
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return 0;
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}
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