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  * Event Table.
  43  *****************************************************************************/
  44
  45 /* IDs for the controls and the menu commands */
  46 enum
  47 {
  48     /* menu items */
  49     ButtonAdd_Event = wxID_HIGHEST + 1,
  50     ButtonDel_Event,
  51     ButtonClear_Event
  52 };
  53
  54 DEFINE_LOCAL_EVENT_TYPE( wxEVT_BOOKMARKS );
  55
  56 BEGIN_EVENT_TABLE(BookmarksDialog, wxFrame)
  57     /* Hide the window when the user closes the window */
  58     EVT_CLOSE(BookmarksDialog::OnClose )
  59     EVT_BUTTON( ButtonAdd_Event, BookmarksDialog::OnAdd )
  60     EVT_BUTTON( ButtonDel_Event, BookmarksDialog::OnDel )
  61     EVT_BUTTON( ButtonClear_Event, BookmarksDialog::OnClear )
  62
  63     EVT_LIST_ITEM_ACTIVATED( -1, BookmarksDialog::OnActivateItem )
  64
  65     EVT_COMMAND( -1, wxEVT_BOOKMARKS, BookmarksDialog::OnUpdate )
  66 END_EVENT_TABLE()
  67
  68 /*****************************************************************************
  69  * Constructor.
  70  *****************************************************************************/
  71 BookmarksDialog::BookmarksDialog( intf_thread_t *_p_intf, wxWindow *p_parent )
  72   : wxFrame( p_parent->GetParent() ? p_parent->GetParent() : p_parent,
  73              -1, wxU(_("Bookmarks")),
  74              !p_parent->GetParent() ? wxDefaultPosition :
  75                wxPoint( p_parent->GetParent()->GetRect().GetX(),
  76                         p_parent->GetParent()->GetRect().GetY() +
  77                         p_parent->GetParent()->GetRect().GetHeight() + 40 ),
  78              wxSize( 500, -1 ),
  79              wxDEFAULT_FRAME_STYLE | wxFRAME_FLOAT_ON_PARENT )
  80 {
  81     /* Initializations */
  82     p_intf = _p_intf;
  83
  84     wxPanel *main_panel = new wxPanel( this, -1 );
  85     wxBoxSizer *main_sizer = new wxBoxSizer( wxHORIZONTAL );
  86
  87     wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
  88
  89     wxPanel *panel = new wxPanel( main_panel, -1 );
  90     wxBoxSizer *panel_sizer = new wxBoxSizer( wxVERTICAL );
  91     wxButton *button_add =
  92         new wxButton( panel, ButtonAdd_Event, wxU(_("Add")) );
  93     wxButton *button_del =
  94         new wxButton( panel, ButtonDel_Event, wxU(_("Remove")) );
  95     wxButton *button_clear =
  96         new wxButton( panel, ButtonClear_Event, wxU(_("Clear")) );
  97     panel_sizer->Add( button_add, 0, wxEXPAND );
  98     panel_sizer->Add( button_del, 0, wxEXPAND );
  99     panel_sizer->Add( button_clear, 0, wxEXPAND );
 100     panel->SetSizerAndFit( panel_sizer );
 101
 102     list_ctrl = new wxListView( main_panel, -1,
 103                                 wxDefaultPosition, wxDefaultSize,
 104                                 wxLC_REPORT | wxSUNKEN_BORDER |
 105                                 wxLC_SINGLE_SEL );
 106     list_ctrl->InsertColumn( 0, wxU(_("Description")) );
 107     list_ctrl->SetColumnWidth( 0, 240 );
 108     list_ctrl->InsertColumn( 1, wxU(_("Size offset")) );
 109     list_ctrl->InsertColumn( 2, wxU(_("Time offset")) );
 110
 111     sizer->Add( panel, 0, wxEXPAND | wxALL, 1 );
 112     sizer->Add( list_ctrl, 1, wxEXPAND | wxALL, 1 );
 113     main_panel->SetSizer( sizer );
 114
 115     main_sizer->Add( main_panel, 1, wxEXPAND );
 116     SetSizer( main_sizer );
 117
 118     playlist_t *p_playlist =
 119         (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 120                                        FIND_ANYWHERE );
 121     if( p_playlist )
 122     {
 123        /* Some global changes happened -> Rebuild all */
 124        var_AddCallback( p_playlist, "playlist-current",
 125                         PlaylistChanged, this );
 126        vlc_object_release( p_playlist );
 127     }
 128 }
 129
 130 BookmarksDialog::~BookmarksDialog()
 131 {
 132     playlist_t *p_playlist =
 133         (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 134                                        FIND_ANYWHERE );
 135     if( p_playlist )
 136     {
 137        /* Some global changes happened -> Rebuild all */
 138        var_DelCallback( p_playlist, "intf-change", PlaylistChanged, this );
 139
 140        vlc_object_release( p_playlist );
 141     }
 142 }
 143
 144 /*****************************************************************************
 145  * Private methods.
 146  *****************************************************************************/
 147
 148 void BookmarksDialog::Update()
 149 {
 150     input_thread_t *p_input =
 151         (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 152                                            FIND_ANYWHERE );
 153     if( !p_input ) return;
 154
 155     seekpoint_t **pp_bookmarks;
 156     int i_bookmarks;
 157
 158     list_ctrl->DeleteAllItems();
 159     if( input_Control( p_input, INPUT_GET_BOOKMARKS, &pp_bookmarks,
 160                        &i_bookmarks ) != VLC_SUCCESS )
 161     {
 162         vlc_object_release( p_input );
 163         return;
 164     }
 165
 166     for( int i = 0; i < i_bookmarks; i++ )
 167     {
 168         list_ctrl->InsertItem( i, wxL2U( pp_bookmarks[i]->psz_name ) );
 169         list_ctrl->SetItem( i, 1, wxString::Format(wxT("%i"),
 170                             pp_bookmarks[i]->i_byte_offset ) );
 171         list_ctrl->SetItem( i, 2, wxString::Format(wxT("%i"),
 172                             pp_bookmarks[i]->i_time_offset/1000000 ) );
 173     }
 174
 175     vlc_object_release( p_input );
 176 }
 177
 178 bool BookmarksDialog::Show( bool show )
 179 {
 180     Update();
 181     return wxFrame::Show( show );
 182 }
 183
 184 void BookmarksDialog::OnClose( wxCommandEvent& event )
 185 {
 186     Hide();
 187 }
 188
 189 void BookmarksDialog::OnAdd( wxCommandEvent& event )
 190 {
 191     input_thread_t *p_input =
 192         (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 193                                            FIND_ANYWHERE );
 194     if( !p_input ) return;
 195
 196     seekpoint_t bookmark;
 197     vlc_value_t pos;
 198     var_Get( p_input, "position", &pos );
 199     bookmark.psz_name = NULL;
 200     bookmark.i_byte_offset =
 201       (int64_t)((double)pos.f_float * p_input->stream.p_selected_area->i_size);
 202     var_Get( p_input, "time", &pos );
 203     bookmark.i_time_offset = pos.i_time;
 204     input_Control( p_input, INPUT_ADD_BOOKMARK, &bookmark );
 205
 206     vlc_object_release( p_input );
 207
 208     Update();
 209 }
 210
 211 void BookmarksDialog::OnDel( wxCommandEvent& event )
 212 {
 213     input_thread_t *p_input =
 214         (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 215                                            FIND_ANYWHERE );
 216     if( !p_input ) return;
 217
 218     int i_focused = list_ctrl->GetFocusedItem();
 219     if( i_focused >= 0 )
 220     {
 221         input_Control( p_input, INPUT_DEL_BOOKMARK, i_focused );
 222     }
 223
 224     vlc_object_release( p_input );
 225
 226     Update();
 227 }
 228
 229 void BookmarksDialog::OnClear( wxCommandEvent& event )
 230 {
 231     input_thread_t *p_input =
 232         (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 233                                            FIND_ANYWHERE );
 234     if( !p_input ) return;
 235
 236     input_Control( p_input, INPUT_CLEAR_BOOKMARKS );
 237
 238     vlc_object_release( p_input );
 239
 240     Update();
 241 }
 242
 243 void BookmarksDialog::OnActivateItem( wxListEvent& event )
 244 {
 245     input_thread_t *p_input =
 246         (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 247                                            FIND_ANYWHERE );
 248     if( !p_input ) return;
 249
 250     input_Control( p_input, INPUT_SET_BOOKMARK, event.GetIndex() );
 251
 252     vlc_object_release( p_input );
 253 }
 254
 255 void BookmarksDialog::OnUpdate( wxCommandEvent &event )
 256 {
 257     Update();
 258 }
 259
 260 /*****************************************************************************
 261  * PlaylistChanged: callback triggered by the intf-change playlist variable
 262  *  We don't rebuild the playlist directly here because we don't want the
 263  *  caller to block for a too long time.
 264  *****************************************************************************/
 265 static int PlaylistChanged( vlc_object_t *p_this, const char *psz_variable,
 266                             vlc_value_t oval, vlc_value_t nval, void *param )
 267 {
 268     BookmarksDialog *p_dialog = (BookmarksDialog *)param;
 269
 270     wxCommandEvent bookmarks_event( wxEVT_BOOKMARKS, 0 );
 271     p_dialog->AddPendingEvent( bookmarks_event );
 272
 273     return VLC_SUCCESS;
 274 }