git.sesse.net Git - vlc/blob - modules/gui/wxwidgets/dialogs/fileinfo.cpp

   1 /*****************************************************************************
   2  * fileinfo.cpp : wxWindows plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2000-2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Sigmund Augdal Helberg <dnumgis@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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #include "dialogs/fileinfo.hpp"
  25
  26 /*****************************************************************************
  27  * Event Table.
  28  *****************************************************************************/
  29
  30 static int ItemChanged( vlc_object_t *, const char *,
  31                         vlc_value_t, vlc_value_t, void * );
  32
  33
  34 /* IDs for the controls and the menu commands */
  35 enum
  36 {
  37     Close_Event
  38 };
  39
  40 BEGIN_EVENT_TABLE(FileInfo, wxFrame)
  41     /* Button events */
  42     EVT_BUTTON(wxID_OK, FileInfo::OnButtonClose)
  43
  44     /* Hide the window when the user closes the window */
  45     EVT_CLOSE(FileInfo::OnClose)
  46
  47 END_EVENT_TABLE()
  48
  49 /*****************************************************************************
  50  * Constructor.
  51  *****************************************************************************/
  52 FileInfo::FileInfo( intf_thread_t *_p_intf, wxWindow *p_parent ):
  53     wxFrame( p_parent, -1, wxU(_("Stream and media info")), wxDefaultPosition,
  54              wxDefaultSize, wxDEFAULT_FRAME_STYLE )
  55 {
  56     playlist_t *p_playlist;
  57
  58     /* Initializations */
  59     p_intf = _p_intf;
  60     SetIcon( *p_intf->p_sys->p_icon );
  61     SetAutoLayout( TRUE );
  62
  63     /* Create a panel to put everything in */
  64     wxPanel *panel = new wxPanel( this, -1 );
  65     panel->SetAutoLayout( TRUE );
  66
  67     fileinfo_tree =
  68         new wxTreeCtrl( panel, -1, wxDefaultPosition, wxSize( 350, 350 ),
  69                         wxTR_HAS_BUTTONS | wxTR_HIDE_ROOT | wxSUNKEN_BORDER );
  70
  71     fileinfo_root_label = wxT("");
  72
  73     /* Place everything in sizers */
  74     wxBoxSizer *main_sizer = new wxBoxSizer( wxVERTICAL );
  75     wxBoxSizer *panel_sizer = new wxBoxSizer( wxVERTICAL );
  76     panel_sizer->Add( fileinfo_tree, 1, wxEXPAND | wxALL, 5 );
  77     panel_sizer->Layout();
  78     panel->SetSizerAndFit( panel_sizer );
  79     main_sizer->Add( panel, 1, wxEXPAND, 0 );
  80     main_sizer->Layout();
  81     SetSizerAndFit( main_sizer );
  82
  83     p_playlist = (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  84                                                 FIND_ANYWHERE );
  85
  86     if( p_playlist )
  87     {
  88         var_AddCallback( p_playlist, "item-change", ItemChanged, this );
  89         vlc_object_release( p_playlist );
  90     }
  91
  92     b_need_update = VLC_TRUE;
  93     UpdateFileInfo();
  94 }
  95
  96 void FileInfo::UpdateFileInfo()
  97 {
  98     input_thread_t *p_input =
  99         (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 100                                            FIND_ANYWHERE );
 101
 102     if( !p_input || p_input->b_dead || !p_input->input.p_item->psz_name )
 103     {
 104         if( fileinfo_root )
 105         {
 106             fileinfo_root_label = wxT("");
 107             fileinfo_tree->DeleteChildren( fileinfo_root );
 108         }
 109         if (p_input)
 110         {
 111             vlc_object_release(p_input);
 112         }
 113         return;
 114     }
 115
 116     if( !fileinfo_root )
 117     {
 118         /* On linux, the first argument of wxTreeCtrl::AddRoot() can be
 119          * retrieved with the GetItemText() method, but it doesn't work on
 120          * Windows when the wxTR_HIDE_ROOT style is set. That's why we need to
 121          * use the fileinfo_root_label variable... */
 122         fileinfo_root =
 123             fileinfo_tree->AddRoot( wxL2U(p_input->input.p_item->psz_name) );
 124         fileinfo_root_label = wxL2U(p_input->input.p_item->psz_name);
 125     }
 126     else if( fileinfo_root_label == wxL2U(p_input->input.p_item->psz_name) &&
 127              b_need_update == VLC_FALSE )
 128     {
 129         vlc_object_release(p_input);
 130         return;
 131     }
 132
 133     /* We rebuild the tree from scratch */
 134     fileinfo_tree->DeleteChildren( fileinfo_root );
 135     fileinfo_root_label = wxL2U(p_input->input.p_item->psz_name);
 136
 137     vlc_mutex_lock( &p_input->input.p_item->lock );
 138     for( int i = 0; i < p_input->input.p_item->i_categories; i++ )
 139     {
 140         info_category_t *p_cat = p_input->input.p_item->pp_categories[i];
 141
 142         wxTreeItemId cat = fileinfo_tree->AppendItem( fileinfo_root,
 143                                                       wxU(p_cat->psz_name) );
 144         for( int j = 0; j < p_cat->i_infos; j++ )
 145         {
 146             info_t *p_info = p_cat->pp_infos[j];
 147
 148             if( p_info->psz_value[0] != 0 )
 149             /* We only wanna show fields that have an actual value */
 150             {
 151                 fileinfo_tree->AppendItem( cat, (wxString)wxU(p_info->psz_name)
 152                                         + wxT(": ") + wxU(p_info->psz_value) );
 153             }
 154         }
 155         fileinfo_tree->Expand( cat );
 156     }
 157     vlc_mutex_unlock( &p_input->input.p_item->lock );
 158
 159     b_need_update = VLC_FALSE;
 160
 161     vlc_object_release(p_input);
 162     return;
 163 }
 164
 165 FileInfo::~FileInfo()
 166 {
 167 }
 168
 169 void FileInfo::OnButtonClose( wxCommandEvent& event )
 170 {
 171     wxCloseEvent cevent;
 172     OnClose(cevent);
 173 }
 174
 175 void FileInfo::OnClose( wxCloseEvent& WXUNUSED(event) )
 176 {
 177     Hide();
 178 }
 179
 180 static int ItemChanged( vlc_object_t *p_this, const char *psz_var,
 181                         vlc_value_t oldval, vlc_value_t newval, void *param )
 182 {
 183     FileInfo *p_fileinfo = (FileInfo *)param;
 184     p_fileinfo->b_need_update = VLC_TRUE;
 185     return VLC_SUCCESS;
 186 }