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516 lines
16 KiB
516 lines
16 KiB
/*****************************************************************************
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* slider_manager.cpp : Manage an input slider
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*****************************************************************************
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* Copyright (C) 2000-2005 the VideoLAN team
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* $Id$
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*
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* Authors: Gildas Bazin <gbazin@videolan.org>
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* Clément Stenac <zorglub@videolan.org>
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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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#include "input_manager.hpp"
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#include "interface.hpp"
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#include "video.hpp"
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#include <vlc_meta.h>
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/* include the toolbar graphics */
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#include "bitmaps/prev.xpm"
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#include "bitmaps/next.xpm"
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#include "bitmaps/playlist.xpm"
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/* IDs for the controls */
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enum
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{
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SliderScroll_Event = wxID_HIGHEST,
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DiscMenu_Event,
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DiscPrev_Event,
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DiscNext_Event
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};
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BEGIN_EVENT_TABLE(InputManager, wxPanel)
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/* Slider events */
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EVT_COMMAND_SCROLL(SliderScroll_Event, InputManager::OnSliderUpdate)
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/* Disc Buttons events */
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EVT_BUTTON(DiscMenu_Event, InputManager::OnDiscMenu)
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EVT_BUTTON(DiscPrev_Event, InputManager::OnDiscPrev)
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EVT_BUTTON(DiscNext_Event, InputManager::OnDiscNext)
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END_EVENT_TABLE()
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#define STATUS_STOP 0
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#define STATUS_PLAYING 1
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#define STATUS_PAUSE 2
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#ifdef WIN32
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#include <commctrl.h>
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/*
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** On win32, clicking on the slider channel causes the thumb to jump up or down a page size
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** like a scrollbar. This is not particularily useful for a movie track, where we'd rather
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** see the thumb to jump where the mouse is.
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** Therefore, we replace the slider (TRACKBAR control) window proc with our, which intercept
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** the mouse down event, and move the thumb accordingly
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*/
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static LRESULT CALLBACK MovieSliderWindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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switch( uMsg )
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{
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case WM_LBUTTONDOWN:
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{
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POINT click = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
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RECT tRect = {0, 0, 0, 0};
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SendMessage(hWnd, TBM_GETTHUMBRECT, 0, (LPARAM)&tRect);
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/* check whether click is not in thumb */
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if( ! PtInRect(&tRect, click) )
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{
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LONG min = SendMessage(hWnd, TBM_GETRANGEMIN, 0, 0);
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LONG max = SendMessage(hWnd, TBM_GETRANGEMAX, 0, 0);
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LONG thumb = tRect.right-tRect.left;
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LONG newpos;
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SendMessage(hWnd, TBM_GETCHANNELRECT, 0, (LPARAM)&tRect);
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/* following is only valid for horizontal a trackbar */
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newpos = ((click.x-tRect.left-(thumb/2))*(max-min)+((tRect.right-tRect.left-thumb)/2))
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/(tRect.right-tRect.left-thumb);
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/* set new postion */
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SendMessage(hWnd, TBM_SETPOS, TRUE, min+newpos);
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/* notify parent of change */
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SendMessage(GetParent(hWnd), WM_HSCROLL, TB_ENDTRACK, (LPARAM)hWnd);
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return 0;
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}
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}
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default:
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return CallWindowProc((WNDPROC)GetWindowLongPtr(hWnd, GWLP_USERDATA),
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hWnd, uMsg, wParam, lParam);
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}
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}
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#endif
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/*****************************************************************************
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* Constructor.
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*****************************************************************************/
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InputManager::InputManager( intf_thread_t *_p_intf, Interface *_p_main_intf,
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wxWindow *p_parent )
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: wxPanel( p_parent )
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{
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p_intf = _p_intf;
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p_main_intf = _p_main_intf;
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p_input = NULL;
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i_old_playing_status = STATUS_STOP;
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i_old_rate = INPUT_RATE_DEFAULT;
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b_slider_free = true;
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i_input_hide_delay = 0;
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/* Create slider */
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slider = new wxSlider( this, SliderScroll_Event, 0, 0, SLIDER_MAX_POS );
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#ifdef WIN32
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/* modify behaviour of WIN32 underlying control
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in order to implement proper movie slider */
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{
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HWND sliderHwnd = (HWND)slider->GetHWND();
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/* put original WNDPROC into USERDATA, this may be incompatible with future version of
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wxwidgets. */
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SetWindowLongPtr(sliderHwnd, GWLP_USERDATA,
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(LONG_PTR)GetWindowLongPtr(sliderHwnd, GWLP_WNDPROC));
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/* put our own WNDPROC */
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SetWindowLongPtr(sliderHwnd, GWLP_WNDPROC, (LONG_PTR)MovieSliderWindowProc);
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}
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#endif
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/* Create disc buttons */
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disc_frame = new wxPanel( this );
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disc_menu_button = new wxBitmapButton( disc_frame, DiscMenu_Event,
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wxBitmap( playlist_xpm ) );
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disc_prev_button = new wxBitmapButton( disc_frame, DiscPrev_Event,
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wxBitmap( prev_xpm ) );
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disc_next_button = new wxBitmapButton( disc_frame, DiscNext_Event,
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wxBitmap( next_xpm ) );
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disc_sizer = new wxBoxSizer( wxHORIZONTAL );
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disc_sizer->Add( disc_menu_button, 1, wxEXPAND | wxLEFT | wxRIGHT, 1 );
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disc_sizer->Add( disc_prev_button, 1, wxEXPAND | wxLEFT | wxRIGHT, 1 );
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disc_sizer->Add( disc_next_button, 1, wxEXPAND | wxLEFT | wxRIGHT, 1 );
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disc_frame->SetSizer( disc_sizer );
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disc_sizer->Layout();
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/* Add everything to the panel */
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sizer = new wxBoxSizer( wxHORIZONTAL );
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SetSizer( sizer );
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sizer->Add( slider, 1, wxEXPAND | wxALL, 5 );
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sizer->Add( disc_frame, 0, wxALL, 2 );
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/* Hide by default */
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sizer->Hide( disc_frame );
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sizer->Hide( slider );
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sizer->Layout();
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Fit();
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}
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InputManager::~InputManager()
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{
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vlc_mutex_lock( &p_intf->change_lock );
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if( p_intf->p_sys->p_input ) vlc_object_release( p_intf->p_sys->p_input );
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p_intf->p_sys->p_input = NULL;
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vlc_mutex_unlock( &p_intf->change_lock );
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}
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/*****************************************************************************
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* Public methods.
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*****************************************************************************/
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bool InputManager::IsPlaying()
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{
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return (p_input && vlc_object_alive (p_input));
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}
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/*****************************************************************************
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* Private methods.
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*****************************************************************************/
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void InputManager::UpdateInput()
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{
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playlist_t *p_playlist = pl_Yield( p_intf );
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if( p_playlist != NULL )
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{
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LockPlaylist( p_intf->p_sys, p_playlist );
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p_input = p_intf->p_sys->p_input = p_playlist->p_input;
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if( p_intf->p_sys->p_input )
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vlc_object_yield( p_intf->p_sys->p_input );
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UnlockPlaylist( p_intf->p_sys, p_playlist );
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pl_Release( p_intf );
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}
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}
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void InputManager::UpdateNowPlaying()
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{
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char *psz_now_playing = input_item_GetNowPlaying( input_GetItem(p_input) );
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if( psz_now_playing && *psz_now_playing )
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{
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p_main_intf->statusbar->SetStatusText(
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wxString(wxU(psz_now_playing)) + wxT( " - " ) +
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wxU(input_GetItem(p_input)->psz_name), 2 );
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}
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else
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{
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p_main_intf->statusbar->SetStatusText(
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wxU(input_GetItem(p_input)->psz_name), 2 );
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}
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free( psz_now_playing );
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}
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void InputManager::UpdateButtons( bool b_play )
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{
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if( !b_play )
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{
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if( i_old_playing_status == STATUS_STOP ) return;
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i_old_playing_status = STATUS_STOP;
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p_main_intf->TogglePlayButton( PAUSE_S );
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p_main_intf->statusbar->SetStatusText( wxT(""), 0 );
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p_main_intf->statusbar->SetStatusText( wxT(""), 2 );
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/* wxCocoa pretends to support this, but at least 2.6.x doesn't */
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#ifndef __APPLE__
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#ifdef wxHAS_TASK_BAR_ICON
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if( p_main_intf->p_systray )
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{
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p_main_intf->p_systray->UpdateTooltip(
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wxString(wxT("VLC media player - ")) + wxU(_("Stopped")) );
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}
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#endif
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#endif
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return;
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}
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/* Manage Playing status */
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vlc_value_t val;
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var_Get( p_input, "state", &val );
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val.i_int = val.i_int == PAUSE_S ? STATUS_PAUSE : STATUS_PLAYING;
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if( i_old_playing_status != val.i_int )
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{
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i_old_playing_status = val.i_int;
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p_main_intf->TogglePlayButton( val.i_int == STATUS_PAUSE ?
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PAUSE_S : PLAYING_S );
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/* wxCocoa pretends to support this, but at least 2.6.x doesn't */
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#ifndef __APPLE__
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#ifdef wxHAS_TASK_BAR_ICON
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if( p_main_intf->p_systray )
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{
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p_main_intf->p_systray->UpdateTooltip(
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wxU(input_GetItem(p_input)->psz_name) + wxString(wxT(" - ")) +
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(val.i_int == PAUSE_S ? wxU(_("Paused")) : wxU(_("Playing"))));
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}
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#endif
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#endif
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}
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}
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void InputManager::UpdateDiscButtons()
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{
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vlc_value_t val;
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var_Change( p_input, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
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if( val.i_int > 0 && !disc_frame->IsShown() )
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{
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vlc_value_t val;
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#define HELP_MENU N_("Menu")
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#define HELP_PCH N_("Previous chapter")
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#define HELP_NCH N_("Next chapter")
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#define HELP_PTR N_("Previous track")
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#define HELP_NTR N_("Next track")
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var_Change( p_input, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
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if( val.i_int > 0 )
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{
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disc_menu_button->Show();
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disc_sizer->Show( disc_menu_button );
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disc_sizer->Layout();
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disc_sizer->Fit( disc_frame );
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disc_menu_button->SetToolTip( wxU(_( HELP_MENU ) ) );
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disc_prev_button->SetToolTip( wxU(_( HELP_PCH ) ) );
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disc_next_button->SetToolTip( wxU(_( HELP_NCH ) ) );
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}
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else
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{
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disc_menu_button->Hide();
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disc_sizer->Hide( disc_menu_button );
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disc_prev_button->SetToolTip( wxU(_( HELP_PTR ) ) );
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disc_next_button->SetToolTip( wxU(_( HELP_NTR ) ) );
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}
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ShowDiscFrame();
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}
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else if( val.i_int == 0 && disc_frame->IsShown() )
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{
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HideDiscFrame();
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}
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}
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void InputManager::HideSlider()
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{
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ShowSlider( false );
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}
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void InputManager::HideDiscFrame()
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{
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ShowDiscFrame( false );
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}
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void InputManager::UpdateTime()
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{
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char psz_time[ MSTRTIME_MAX_SIZE ], psz_total[ MSTRTIME_MAX_SIZE ];
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mtime_t i_seconds;
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i_seconds = var_GetTime( p_intf->p_sys->p_input, "length" ) / 1000000;
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secstotimestr( psz_total, i_seconds );
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i_seconds = var_GetTime( p_intf->p_sys->p_input, "time" ) / 1000000;
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secstotimestr( psz_time, i_seconds );
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p_main_intf->statusbar->SetStatusText(
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wxU(psz_time) + wxString(wxT(" / ")) +wxU(psz_total), 0 );
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}
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void InputManager::Update()
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{
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/* Update the input */
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if( p_input == NULL )
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{
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UpdateInput();
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if( p_input )
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{
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slider->SetValue( 0 );
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}
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else if( !i_input_hide_delay )
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{
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i_input_hide_delay = mdate() + 200000;
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}
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else if( i_input_hide_delay < mdate() )
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{
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if( disc_frame->IsShown() ) HideDiscFrame();
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if( slider->IsShown() ) HideSlider();
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i_input_hide_delay = 0;
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}
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}
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else if( p_input->b_dead )
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{
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UpdateButtons( false );
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vlc_object_release( p_input );
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p_input = NULL;
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}
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else
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{
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i_input_hide_delay = 0;
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}
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if( p_input && vlc_object_alive (p_input) )
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{
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vlc_value_t pos, len;
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UpdateTime();
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UpdateButtons( true );
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UpdateNowPlaying();
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UpdateDiscButtons();
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/* Really manage the slider */
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var_Get( p_input, "position", &pos );
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var_Get( p_input, "length", &len );
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if( pos.f_float > 0 && !slider->IsShown() ) ShowSlider();
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else if( pos.f_float <= 0 && slider->IsShown() ) HideSlider();
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/* Update the slider if the user isn't dragging it. */
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if( slider->IsShown() && b_slider_free )
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{
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i_slider_pos = (int)(SLIDER_MAX_POS * pos.f_float);
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slider->SetValue( i_slider_pos );
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}
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/* Manage Speed status */
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vlc_value_t val;
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var_Get( p_input, "rate", &val );
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if( i_old_rate != val.i_int )
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{
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p_main_intf->statusbar->SetStatusText(
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wxString::Format(wxT("x%.2f"),
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(float)INPUT_RATE_DEFAULT / val.i_int ), 1 );
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i_old_rate = val.i_int;
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}
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}
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}
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/*****************************************************************************
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* Event Handlers.
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*****************************************************************************/
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void InputManager::OnDiscMenu( wxCommandEvent& WXUNUSED(event) )
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{
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input_thread_t *p_input =
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(input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
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FIND_ANYWHERE );
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if( p_input )
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{
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vlc_value_t val; val.i_int = 2;
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var_Set( p_input, "title 0", val);
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vlc_object_release( p_input );
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}
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}
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void InputManager::OnDiscPrev( wxCommandEvent& WXUNUSED(event) )
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{
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input_thread_t *p_input =
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(input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
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FIND_ANYWHERE );
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if( p_input )
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{
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int i_type = var_Type( p_input, "prev-chapter" );
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vlc_value_t val; val.b_bool = true;
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var_Set( p_input, ( i_type & VLC_VAR_TYPE ) != 0 ?
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"prev-chapter" : "prev-title", val );
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vlc_object_release( p_input );
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}
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}
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void InputManager::OnDiscNext( wxCommandEvent& WXUNUSED(event) )
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{
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input_thread_t *p_input =
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(input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
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FIND_ANYWHERE );
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if( p_input )
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{
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int i_type = var_Type( p_input, "next-chapter" );
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vlc_value_t val; val.b_bool = true;
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var_Set( p_input, ( i_type & VLC_VAR_TYPE ) != 0 ?
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"next-chapter" : "next-title", val );
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vlc_object_release( p_input );
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}
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}
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void InputManager::OnSliderUpdate( wxScrollEvent& event )
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{
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vlc_mutex_lock( &p_intf->change_lock );
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#ifdef WIN32
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if( event.GetEventType() == wxEVT_SCROLL_THUMBRELEASE
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|| event.GetEventType() == wxEVT_SCROLL_ENDSCROLL )
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{
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#endif
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if( i_slider_pos != event.GetPosition() && p_intf->p_sys->p_input )
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{
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vlc_value_t pos;
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pos.f_float = (float)event.GetPosition() / (float)SLIDER_MAX_POS;
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var_Set( p_intf->p_sys->p_input, "position", pos );
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}
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#ifdef WIN32
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b_slider_free = true;
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}
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else
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{
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b_slider_free = false;
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if( p_intf->p_sys->p_input ) UpdateTime();
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}
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#endif
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#undef WIN32
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vlc_mutex_unlock( &p_intf->change_lock );
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}
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void InputManager::ShowSlider( bool show )
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{
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if( !!show == !!slider->IsShown() ) return;
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UpdateVideoWindow( p_intf, p_main_intf->video_window );
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sizer->Show( slider, show );
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sizer->Layout();
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wxCommandEvent intf_event( wxEVT_INTF, 0 );
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p_main_intf->AddPendingEvent( intf_event );
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}
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void InputManager::ShowDiscFrame( bool show )
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{
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if( !!show == !!disc_frame->IsShown() ) return;
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UpdateVideoWindow( p_intf, p_main_intf->video_window );
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sizer->Show( disc_frame, show );
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sizer->Layout();
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wxCommandEvent intf_event( wxEVT_INTF, 0 );
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p_main_intf->AddPendingEvent( intf_event );
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}
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