1 /*****************************************************************************
2 * slider_manager.cpp : Manage an input slider
3 *****************************************************************************
4 * Copyright (C) 2000-2005 the VideoLAN team
7 * Authors: Gildas Bazin <gbazin@videolan.org>
8 * Clément Stenac <zorglub@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 #include "input_manager.hpp"
26 #include "interface.hpp"
31 /* include the toolbar graphics */
32 #include "bitmaps/prev.xpm"
33 #include "bitmaps/next.xpm"
34 #include "bitmaps/playlist.xpm"
36 /* IDs for the controls */
39 SliderScroll_Event = wxID_HIGHEST,
46 BEGIN_EVENT_TABLE(InputManager, wxPanel)
48 EVT_COMMAND_SCROLL(SliderScroll_Event, InputManager::OnSliderUpdate)
50 /* Disc Buttons events */
51 EVT_BUTTON(DiscMenu_Event, InputManager::OnDiscMenu)
52 EVT_BUTTON(DiscPrev_Event, InputManager::OnDiscPrev)
53 EVT_BUTTON(DiscNext_Event, InputManager::OnDiscNext)
58 #define STATUS_PLAYING 1
59 #define STATUS_PAUSE 2
66 ** On win32, clicking on the slider channel causes the thumb to jump up or down a page size
67 ** like a scrollbar. This is not particularily useful for a movie track, where we'd rather
68 ** see the thumb to jump where the mouse is.
69 ** Therefore, we replace the slider (TRACKBAR control) window proc with our, which intercept
70 ** the mouse down event, and move the thumb accordingly
72 static LRESULT CALLBACK MovieSliderWindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
78 POINT click = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
79 RECT tRect = {0, 0, 0, 0};
80 SendMessage(hWnd, TBM_GETTHUMBRECT, 0, (LPARAM)&tRect);
82 /* check whether click is not in thumb */
83 if( ! PtInRect(&tRect, click) )
85 LONG min = SendMessage(hWnd, TBM_GETRANGEMIN, 0, 0);
86 LONG max = SendMessage(hWnd, TBM_GETRANGEMAX, 0, 0);
87 LONG thumb = tRect.right-tRect.left;
90 SendMessage(hWnd, TBM_GETCHANNELRECT, 0, (LPARAM)&tRect);
92 /* following is only valid for horizontal a trackbar */
93 newpos = ((click.x-tRect.left-(thumb/2))*(max-min)+((tRect.right-tRect.left-thumb)/2))
94 /(tRect.right-tRect.left-thumb);
97 SendMessage(hWnd, TBM_SETPOS, TRUE, min+newpos);
98 /* notify parent of change */
99 SendMessage(GetParent(hWnd), WM_HSCROLL, TB_ENDTRACK, (LPARAM)hWnd);
106 return CallWindowProc((WNDPROC)GetWindowLongPtr(hWnd, GWLP_USERDATA),
107 hWnd, uMsg, wParam, lParam);
113 /*****************************************************************************
115 *****************************************************************************/
116 InputManager::InputManager( intf_thread_t *_p_intf, Interface *_p_main_intf,
118 : wxPanel( p_parent )
121 p_main_intf = _p_main_intf;
123 i_old_playing_status = STATUS_STOP;
124 i_old_rate = INPUT_RATE_DEFAULT;
125 b_slider_free = VLC_TRUE;
126 i_input_hide_delay = 0;
129 slider = new wxSlider( this, SliderScroll_Event, 0, 0, SLIDER_MAX_POS );
132 /* modify behaviour of WIN32 underlying control
133 in order to implement proper movie slider */
135 HWND sliderHwnd = (HWND)slider->GetHWND();
136 /* put original WNDPROC into USERDATA, this may be incompatible with future version of
138 SetWindowLongPtr(sliderHwnd, GWLP_USERDATA,
139 (LONG_PTR)GetWindowLongPtr(sliderHwnd, GWLP_WNDPROC));
140 /* put our own WNDPROC */
141 SetWindowLongPtr(sliderHwnd, GWLP_WNDPROC, (LONG_PTR)MovieSliderWindowProc);
145 /* Create disc buttons */
146 disc_frame = new wxPanel( this );
148 disc_menu_button = new wxBitmapButton( disc_frame, DiscMenu_Event,
149 wxBitmap( playlist_xpm ) );
150 disc_prev_button = new wxBitmapButton( disc_frame, DiscPrev_Event,
151 wxBitmap( prev_xpm ) );
152 disc_next_button = new wxBitmapButton( disc_frame, DiscNext_Event,
153 wxBitmap( next_xpm ) );
155 disc_sizer = new wxBoxSizer( wxHORIZONTAL );
156 disc_sizer->Add( disc_menu_button, 1, wxEXPAND | wxLEFT | wxRIGHT, 1 );
157 disc_sizer->Add( disc_prev_button, 1, wxEXPAND | wxLEFT | wxRIGHT, 1 );
158 disc_sizer->Add( disc_next_button, 1, wxEXPAND | wxLEFT | wxRIGHT, 1 );
159 disc_frame->SetSizer( disc_sizer );
160 disc_sizer->Layout();
162 /* Add everything to the panel */
163 sizer = new wxBoxSizer( wxHORIZONTAL );
165 sizer->Add( slider, 1, wxEXPAND | wxALL, 5 );
166 sizer->Add( disc_frame, 0, wxALL, 2 );
168 /* Hide by default */
169 sizer->Hide( disc_frame );
170 sizer->Hide( slider );
176 InputManager::~InputManager()
178 vlc_mutex_lock( &p_intf->change_lock );
179 if( p_intf->p_sys->p_input ) vlc_object_release( p_intf->p_sys->p_input );
180 p_intf->p_sys->p_input = NULL;
181 vlc_mutex_unlock( &p_intf->change_lock );
184 /*****************************************************************************
186 *****************************************************************************/
187 vlc_bool_t InputManager::IsPlaying()
189 return (p_input && !p_input->b_die);
192 /*****************************************************************************
194 *****************************************************************************/
195 void InputManager::UpdateInput()
197 playlist_t *p_playlist =
198 (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
200 if( p_playlist != NULL )
202 LockPlaylist( p_intf->p_sys, p_playlist );
203 p_input = p_intf->p_sys->p_input = p_playlist->p_input;
204 if( p_intf->p_sys->p_input )
205 vlc_object_yield( p_intf->p_sys->p_input );
206 UnlockPlaylist( p_intf->p_sys, p_playlist );
207 vlc_object_release( p_playlist );
211 void InputManager::UpdateNowPlaying()
213 const char *psz_now_playing = input_item_GetNowPlaying( input_GetItem(p_input) );
214 if( psz_now_playing && *psz_now_playing )
216 p_main_intf->statusbar->SetStatusText(
217 wxString(wxU(psz_now_playing)) + wxT( " - " ) +
218 wxU(input_GetItem(p_input)->psz_name), 2 );
222 p_main_intf->statusbar->SetStatusText(
223 wxU(input_GetItem(p_input)->psz_name), 2 );
227 void InputManager::UpdateButtons( vlc_bool_t b_play )
231 if( i_old_playing_status == STATUS_STOP ) return;
233 i_old_playing_status = STATUS_STOP;
234 p_main_intf->TogglePlayButton( PAUSE_S );
235 p_main_intf->statusbar->SetStatusText( wxT(""), 0 );
236 p_main_intf->statusbar->SetStatusText( wxT(""), 2 );
238 /* wxCocoa pretends to support this, but at least 2.6.x doesn't */
240 #ifdef wxHAS_TASK_BAR_ICON
241 if( p_main_intf->p_systray )
243 p_main_intf->p_systray->UpdateTooltip(
244 wxString(wxT("VLC media player - ")) + wxU(_("Stopped")) );
252 /* Manage Playing status */
254 var_Get( p_input, "state", &val );
255 val.i_int = val.i_int == PAUSE_S ? STATUS_PAUSE : STATUS_PLAYING;
256 if( i_old_playing_status != val.i_int )
258 i_old_playing_status = val.i_int;
259 p_main_intf->TogglePlayButton( val.i_int == STATUS_PAUSE ?
260 PAUSE_S : PLAYING_S );
262 /* wxCocoa pretends to support this, but at least 2.6.x doesn't */
264 #ifdef wxHAS_TASK_BAR_ICON
265 if( p_main_intf->p_systray )
267 p_main_intf->p_systray->UpdateTooltip(
268 wxU(input_GetItem(p_input)->psz_name) + wxString(wxT(" - ")) +
269 (val.i_int == PAUSE_S ? wxU(_("Paused")) : wxU(_("Playing"))));
276 void InputManager::UpdateDiscButtons()
279 var_Change( p_input, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
280 if( val.i_int > 0 && !disc_frame->IsShown() )
284 #define HELP_MENU N_("Menu")
285 #define HELP_PCH N_("Previous chapter")
286 #define HELP_NCH N_("Next chapter")
287 #define HELP_PTR N_("Previous track")
288 #define HELP_NTR N_("Next track")
290 var_Change( p_input, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
294 disc_menu_button->Show();
295 disc_sizer->Show( disc_menu_button );
296 disc_sizer->Layout();
297 disc_sizer->Fit( disc_frame );
298 disc_menu_button->SetToolTip( wxU(_( HELP_MENU ) ) );
299 disc_prev_button->SetToolTip( wxU(_( HELP_PCH ) ) );
300 disc_next_button->SetToolTip( wxU(_( HELP_NCH ) ) );
304 disc_menu_button->Hide();
305 disc_sizer->Hide( disc_menu_button );
306 disc_prev_button->SetToolTip( wxU(_( HELP_PTR ) ) );
307 disc_next_button->SetToolTip( wxU(_( HELP_NTR ) ) );
312 else if( val.i_int == 0 && disc_frame->IsShown() )
318 void InputManager::HideSlider()
323 void InputManager::HideDiscFrame()
325 ShowDiscFrame( false );
328 void InputManager::UpdateTime()
330 char psz_time[ MSTRTIME_MAX_SIZE ], psz_total[ MSTRTIME_MAX_SIZE ];
333 i_seconds = var_GetTime( p_intf->p_sys->p_input, "length" ) / 1000000;
334 secstotimestr( psz_total, i_seconds );
336 i_seconds = var_GetTime( p_intf->p_sys->p_input, "time" ) / 1000000;
337 secstotimestr( psz_time, i_seconds );
339 p_main_intf->statusbar->SetStatusText(
340 wxU(psz_time) + wxString(wxT(" / ")) +wxU(psz_total), 0 );
343 void InputManager::Update()
345 /* Update the input */
346 if( p_input == NULL )
352 slider->SetValue( 0 );
354 else if( !i_input_hide_delay )
356 i_input_hide_delay = mdate() + 200000;
358 else if( i_input_hide_delay < mdate() )
360 if( disc_frame->IsShown() ) HideDiscFrame();
361 if( slider->IsShown() ) HideSlider();
362 i_input_hide_delay = 0;
365 else if( p_input->b_dead )
367 UpdateButtons( VLC_FALSE );
368 vlc_object_release( p_input );
373 i_input_hide_delay = 0;
376 if( p_input && !p_input->b_die )
378 vlc_value_t pos, len;
381 UpdateButtons( VLC_TRUE );
385 /* Really manage the slider */
386 var_Get( p_input, "position", &pos );
387 var_Get( p_input, "length", &len );
389 if( pos.f_float > 0 && !slider->IsShown() ) ShowSlider();
390 else if( pos.f_float <= 0 && slider->IsShown() ) HideSlider();
392 /* Update the slider if the user isn't dragging it. */
393 if( slider->IsShown() && b_slider_free )
395 i_slider_pos = (int)(SLIDER_MAX_POS * pos.f_float);
396 slider->SetValue( i_slider_pos );
399 /* Manage Speed status */
401 var_Get( p_input, "rate", &val );
402 if( i_old_rate != val.i_int )
404 p_main_intf->statusbar->SetStatusText(
405 wxString::Format(wxT("x%.2f"),
406 (float)INPUT_RATE_DEFAULT / val.i_int ), 1 );
407 i_old_rate = val.i_int;
412 /*****************************************************************************
414 *****************************************************************************/
415 void InputManager::OnDiscMenu( wxCommandEvent& WXUNUSED(event) )
417 input_thread_t *p_input =
418 (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
422 vlc_value_t val; val.i_int = 2;
424 var_Set( p_input, "title 0", val);
425 vlc_object_release( p_input );
429 void InputManager::OnDiscPrev( wxCommandEvent& WXUNUSED(event) )
431 input_thread_t *p_input =
432 (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
436 int i_type = var_Type( p_input, "prev-chapter" );
437 vlc_value_t val; val.b_bool = VLC_TRUE;
439 var_Set( p_input, ( i_type & VLC_VAR_TYPE ) != 0 ?
440 "prev-chapter" : "prev-title", val );
442 vlc_object_release( p_input );
446 void InputManager::OnDiscNext( wxCommandEvent& WXUNUSED(event) )
448 input_thread_t *p_input =
449 (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
453 int i_type = var_Type( p_input, "next-chapter" );
454 vlc_value_t val; val.b_bool = VLC_TRUE;
456 var_Set( p_input, ( i_type & VLC_VAR_TYPE ) != 0 ?
457 "next-chapter" : "next-title", val );
459 vlc_object_release( p_input );
463 void InputManager::OnSliderUpdate( wxScrollEvent& event )
465 vlc_mutex_lock( &p_intf->change_lock );
468 if( event.GetEventType() == wxEVT_SCROLL_THUMBRELEASE
469 || event.GetEventType() == wxEVT_SCROLL_ENDSCROLL )
472 if( i_slider_pos != event.GetPosition() && p_intf->p_sys->p_input )
475 pos.f_float = (float)event.GetPosition() / (float)SLIDER_MAX_POS;
476 var_Set( p_intf->p_sys->p_input, "position", pos );
480 b_slider_free = VLC_TRUE;
484 b_slider_free = VLC_FALSE;
485 if( p_intf->p_sys->p_input ) UpdateTime();
490 vlc_mutex_unlock( &p_intf->change_lock );
493 void InputManager::ShowSlider( bool show )
495 if( !!show == !!slider->IsShown() ) return;
497 UpdateVideoWindow( p_intf, p_main_intf->video_window );
499 sizer->Show( slider, show );
502 wxCommandEvent intf_event( wxEVT_INTF, 0 );
503 p_main_intf->AddPendingEvent( intf_event );
506 void InputManager::ShowDiscFrame( bool show )
508 if( !!show == !!disc_frame->IsShown() ) return;
510 UpdateVideoWindow( p_intf, p_main_intf->video_window );
512 sizer->Show( disc_frame, show );
515 wxCommandEvent intf_event( wxEVT_INTF, 0 );
516 p_main_intf->AddPendingEvent( intf_event );