git.sesse.net Git - vlc/blob - modules/gui/wxwindows/bookmarks.cpp

   1 /*****************************************************************************
   2  * bookmarks.cpp : wxWindows plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2000-2004 VideoLAN
   5  * $Id: bookmarks.cpp 6961 2004-03-05 17:34:23Z sam $
   6  *
   7  * Authors: Gildas Bazin <gbazin@videolan.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include <stdlib.h>                                      /* malloc(), free() */
  28 #include <errno.h>                                                 /* ENOMEM */
  29 #include <string.h>                                            /* strerror() */
  30 #include <stdio.h>
  31
  32 #include <vlc/vlc.h>
  33 #include <vlc/intf.h>
  34
  35 #include "wxwindows.h"
  36
  37 /* Callback prototype */
  38 static int PlaylistChanged( vlc_object_t *, const char *,
  39                             vlc_value_t, vlc_value_t, void * );
  40
  41 /*****************************************************************************
  42  * Class declaration.
  43  *****************************************************************************/
  44 class BookmarksDialog: public wxFrame
  45 {
  46 public:
  47     /* Constructor */
  48     BookmarksDialog( intf_thread_t *p_intf, wxWindow *p_parent );
  49     virtual ~BookmarksDialog();
  50
  51     bool Show( bool );
  52
  53 private:
  54
  55     void Update();
  56
  57     /* Event handlers (these functions should _not_ be virtual) */
  58     void OnClose( wxCommandEvent& event );
  59     void OnAdd( wxCommandEvent& event );
  60     void OnDel( wxCommandEvent& event );
  61     void OnClear( wxCommandEvent& event );
  62     void OnActivateItem( wxListEvent& event );
  63     void OnUpdate( wxCommandEvent &event );
  64
  65     DECLARE_EVENT_TABLE();
  66
  67     intf_thread_t *p_intf;
  68     wxWindow *p_parent;
  69
  70     wxListView *list_ctrl;
  71 };
  72
  73 /*****************************************************************************
  74  * Event Table.
  75  *****************************************************************************/
  76
  77 /* IDs for the controls and the menu commands */
  78 enum
  79 {
  80     /* menu items */
  81     ButtonAdd_Event = wxID_HIGHEST + 1,
  82     ButtonDel_Event,
  83     ButtonClear_Event
  84 };
  85
  86 DEFINE_LOCAL_EVENT_TYPE( wxEVT_BOOKMARKS );
  87
  88 BEGIN_EVENT_TABLE(BookmarksDialog, wxFrame)
  89     /* Hide the window when the user closes the window */
  90     EVT_CLOSE(BookmarksDialog::OnClose )
  91     EVT_BUTTON( ButtonAdd_Event, BookmarksDialog::OnAdd )
  92     EVT_BUTTON( ButtonDel_Event, BookmarksDialog::OnDel )
  93     EVT_BUTTON( ButtonClear_Event, BookmarksDialog::OnClear )
  94
  95     EVT_LIST_ITEM_ACTIVATED( -1, BookmarksDialog::OnActivateItem )
  96
  97     EVT_COMMAND( -1, wxEVT_BOOKMARKS, BookmarksDialog::OnUpdate )
  98 END_EVENT_TABLE()
  99
 100 /*****************************************************************************
 101  * Constructor.
 102  *****************************************************************************/
 103 BookmarksDialog::BookmarksDialog( intf_thread_t *_p_intf, wxWindow *p_parent )
 104   : wxFrame( p_parent->GetParent() ? p_parent->GetParent() : p_parent,
 105              -1, wxU(_("Bookmarks")),
 106              !p_parent->GetParent() ? wxDefaultPosition :
 107                wxPoint( p_parent->GetParent()->GetRect().GetX(),
 108                         p_parent->GetParent()->GetRect().GetY() +
 109                         p_parent->GetParent()->GetRect().GetHeight() + 40 ),
 110              wxSize( 500, -1 ),
 111              wxDEFAULT_FRAME_STYLE | wxFRAME_FLOAT_ON_PARENT )
 112 {
 113     /* Initializations */
 114     p_intf = _p_intf;
 115
 116     wxPanel *main_panel = new wxPanel( this, -1 );
 117     wxBoxSizer *main_sizer = new wxBoxSizer( wxHORIZONTAL );
 118
 119     wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
 120
 121     wxPanel *panel = new wxPanel( main_panel, -1 );
 122     wxBoxSizer *panel_sizer = new wxBoxSizer( wxVERTICAL );
 123     wxButton *button_add =
 124         new wxButton( panel, ButtonAdd_Event, wxU(_("Add")) );
 125     wxButton *button_del =
 126         new wxButton( panel, ButtonDel_Event, wxU(_("Remove")) );
 127     wxButton *button_clear =
 128         new wxButton( panel, ButtonClear_Event, wxU(_("Clear")) );
 129     panel_sizer->Add( button_add, 0, wxEXPAND );
 130     panel_sizer->Add( button_del, 0, wxEXPAND );
 131     panel_sizer->Add( button_clear, 0, wxEXPAND );
 132     panel->SetSizerAndFit( panel_sizer );
 133
 134     list_ctrl = new wxListView( main_panel, -1,
 135                                 wxDefaultPosition, wxDefaultSize,
 136                                 wxLC_REPORT | wxSUNKEN_BORDER |
 137                                 wxLC_SINGLE_SEL );
 138     list_ctrl->InsertColumn( 0, wxU(_("Description")) );
 139     list_ctrl->SetColumnWidth( 0, 240 );
 140     list_ctrl->InsertColumn( 1, wxU(_("Size offset")) );
 141     list_ctrl->InsertColumn( 2, wxU(_("Time offset")) );
 142
 143     sizer->Add( panel, 0, wxEXPAND | wxALL, 1 );
 144     sizer->Add( list_ctrl, 1, wxEXPAND | wxALL, 1 );
 145     main_panel->SetSizer( sizer );
 146
 147     main_sizer->Add( main_panel, 1, wxEXPAND );
 148     SetSizer( main_sizer );
 149
 150     playlist_t *p_playlist =
 151         (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 152                                        FIND_ANYWHERE );
 153     if( p_playlist )
 154     {
 155        /* Some global changes happened -> Rebuild all */
 156        var_AddCallback( p_playlist, "playlist-current",
 157                         PlaylistChanged, this );
 158        vlc_object_release( p_playlist );
 159     }
 160 }
 161
 162 BookmarksDialog::~BookmarksDialog()
 163 {
 164     playlist_t *p_playlist =
 165         (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 166                                        FIND_ANYWHERE );
 167     if( p_playlist )
 168     {
 169        /* Some global changes happened -> Rebuild all */
 170        var_DelCallback( p_playlist, "intf-change", PlaylistChanged, this );
 171
 172        vlc_object_release( p_playlist );
 173     }
 174 }
 175
 176 /*****************************************************************************
 177  * Private methods.
 178  *****************************************************************************/
 179 wxWindow *BookmarksDialog( intf_thread_t *p_intf, wxWindow *p_parent )
 180 {
 181     return new BookmarksDialog::BookmarksDialog( p_intf, p_parent );
 182 }
 183
 184 void BookmarksDialog::Update()
 185 {
 186     input_thread_t *p_input =
 187         (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 188                                            FIND_ANYWHERE );
 189     if( !p_input ) return;
 190
 191     seekpoint_t **pp_bookmarks;
 192     int i_bookmarks;
 193
 194     list_ctrl->DeleteAllItems();
 195     if( input_Control( p_input, INPUT_GET_BOOKMARKS, &pp_bookmarks,
 196                        &i_bookmarks ) != VLC_SUCCESS )
 197     {
 198         vlc_object_release( p_input );
 199         return;
 200     }
 201
 202     for( int i = 0; i < i_bookmarks; i++ )
 203     {
 204         list_ctrl->InsertItem( i, wxL2U( pp_bookmarks[i]->psz_name ) );
 205         list_ctrl->SetItem( i, 1, wxString::Format(wxT("%i"),
 206                             pp_bookmarks[i]->i_byte_offset ) );
 207         list_ctrl->SetItem( i, 2, wxString::Format(wxT("%i"),
 208                             pp_bookmarks[i]->i_time_offset/1000000 ) );
 209     }
 210
 211     vlc_object_release( p_input );
 212 }
 213
 214 bool BookmarksDialog::Show( bool show )
 215 {
 216     Update();
 217     return wxFrame::Show( show );
 218 }
 219
 220 void BookmarksDialog::OnClose( wxCommandEvent& event )
 221 {
 222     Hide();
 223 }
 224
 225 void BookmarksDialog::OnAdd( wxCommandEvent& event )
 226 {
 227     input_thread_t *p_input =
 228         (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 229                                            FIND_ANYWHERE );
 230     if( !p_input ) return;
 231
 232     seekpoint_t bookmark;
 233     vlc_value_t pos;
 234     var_Get( p_input, "position", &pos );
 235     bookmark.psz_name = NULL;
 236     bookmark.i_byte_offset =
 237       (int64_t)((double)pos.f_float * p_input->stream.p_selected_area->i_size);
 238     var_Get( p_input, "time", &pos );
 239     bookmark.i_time_offset = pos.i_time;
 240     input_Control( p_input, INPUT_ADD_BOOKMARK, &bookmark );
 241
 242     vlc_object_release( p_input );
 243
 244     Update();
 245 }
 246
 247 void BookmarksDialog::OnDel( wxCommandEvent& event )
 248 {
 249     input_thread_t *p_input =
 250         (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 251                                            FIND_ANYWHERE );
 252     if( !p_input ) return;
 253
 254     int i_focused = list_ctrl->GetFocusedItem();
 255     if( i_focused >= 0 )
 256     {
 257         input_Control( p_input, INPUT_DEL_BOOKMARK, i_focused );
 258     }
 259
 260     vlc_object_release( p_input );
 261
 262     Update();
 263 }
 264
 265 void BookmarksDialog::OnClear( wxCommandEvent& event )
 266 {
 267     input_thread_t *p_input =
 268         (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 269                                            FIND_ANYWHERE );
 270     if( !p_input ) return;
 271
 272     input_Control( p_input, INPUT_CLEAR_BOOKMARKS );
 273
 274     vlc_object_release( p_input );
 275
 276     Update();
 277 }
 278
 279 void BookmarksDialog::OnActivateItem( wxListEvent& event )
 280 {
 281     input_thread_t *p_input =
 282         (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 283                                            FIND_ANYWHERE );
 284     if( !p_input ) return;
 285
 286     input_Control( p_input, INPUT_SET_BOOKMARK, event.GetIndex() );
 287
 288     vlc_object_release( p_input );
 289 }
 290
 291 void BookmarksDialog::OnUpdate( wxCommandEvent &event )
 292 {
 293     Update();
 294 }
 295
 296 /*****************************************************************************
 297  * PlaylistChanged: callback triggered by the intf-change playlist variable
 298  *  We don't rebuild the playlist directly here because we don't want the
 299  *  caller to block for a too long time.
 300  *****************************************************************************/
 301 static int PlaylistChanged( vlc_object_t *p_this, const char *psz_variable,
 302                             vlc_value_t oval, vlc_value_t nval, void *param )
 303 {
 304     BookmarksDialog::BookmarksDialog *p_dialog =
 305         (BookmarksDialog::BookmarksDialog *)param;
 306
 307     wxCommandEvent bookmarks_event( wxEVT_BOOKMARKS, 0 );
 308     p_dialog->AddPendingEvent( bookmarks_event );
 309
 310     return VLC_SUCCESS;
 311 }