interface.cpp

video linux conference

/*****************************************************************************
 * interface.cpp : wxWindows plugin for vlc
 *****************************************************************************
 * Copyright (C) 2000-2005 VideoLAN
 * $Id: interface.cpp 11292 2005-06-04 20:49:12Z dionoea $
 *
 * Authors: Gildas Bazin <[e-mail]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

/*****************************************************************************
 * Preamble
 *****************************************************************************/
#include <vlc/vlc.h>
#include <vlc/aout.h>
#include <vlc/vout.h>
#include <vlc/input.h>
#include <vlc/intf.h>

#include "wxwindows.h"

/* include the toolbar graphics */
#include "bitmaps/play.xpm"
#include "bitmaps/pause.xpm"
#include "bitmaps/stop.xpm"
#include "bitmaps/prev.xpm"
#include "bitmaps/next.xpm"
#include "bitmaps/eject.xpm"
#include "bitmaps/slow.xpm"
#include "bitmaps/fast.xpm"
#include "bitmaps/playlist.xpm"
#include "bitmaps/speaker.xpm"
#include "bitmaps/speaker_mute.xpm"

#define TOOLBAR_BMP_WIDTH 16
#define TOOLBAR_BMP_HEIGHT 16

/* include the icon graphic */
#include "../../../share/vlc32x32.xpm"
/* include a small icon graphic for the systray icon */
#ifdef wxHAS_TASK_BAR_ICON
#include "../../../share/vlc16x16.xpm"
#endif

/*****************************************************************************
 * Local class declarations.
 *****************************************************************************/
class wxMenuExt: public wxMenu
{
public:
    /* Constructor */
    wxMenuExt( wxMenu* parentMenu, int id, const wxString& text,
                   const wxString& helpString, wxItemKind kind,
                   char *_psz_var, int _i_object_id, vlc_value_t _val,
                   int _i_val_type );

    virtual ~wxMenuExt() {};

    char *psz_var;
    int  i_val_type;
    int  i_object_id;
    vlc_value_t val;

private:

};

class wxVolCtrl;
class VLCVolCtrl : public wxControl
{
public:
    VLCVolCtrl( intf_thread_t *p_intf, wxWindow *p_parent );
    virtual ~VLCVolCtrl() {};

    virtual void OnPaint( wxPaintEvent &event );
    void OnChange( wxMouseEvent& event );
    void UpdateVolume();

  private:
    DECLARE_EVENT_TABLE()

    wxVolCtrl *gauge;
    int i_y_offset;
    vlc_bool_t b_mute;
    intf_thread_t *p_intf;
};

BEGIN_EVENT_TABLE(VLCVolCtrl, wxControl)
   EVT_PAINT(VLCVolCtrl::OnPaint)

    /* Mouse events */
    EVT_LEFT_UP(VLCVolCtrl::OnChange)
END_EVENT_TABLE()

/*****************************************************************************
 * Event Table.
 *****************************************************************************/

DEFINE_LOCAL_EVENT_TYPE( wxEVT_INTF );

/* IDs for the controls and the menu commands */
enum
{
    /* menu items */
    MenuDummy_Event = wxID_HIGHEST + 1000,
    Exit_Event = wxID_HIGHEST,
    OpenFileSimple_Event,
    OpenAdv_Event,
    OpenFile_Event,
    OpenDir_Event,
    OpenDisc_Event,
    OpenNet_Event,
    OpenCapture_Event,
    OpenSat_Event,
    OpenOther_Event,
    EjectDisc_Event,

    Wizard_Event,

    Playlist_Event,
    Logs_Event,
    FileInfo_Event,

    Prefs_Event,
    Extended_Event,
//    Undock_Event,
    Bookmarks_Event,
    Skins_Event,

    SliderScroll_Event,
    StopStream_Event,
    PlayStream_Event,
    PrevStream_Event,
    NextStream_Event,
    SlowStream_Event,
    FastStream_Event,

    DiscMenu_Event,
    DiscPrev_Event,
    DiscNext_Event,

    /* it is important for the id corresponding to the "About" command to have
     * this standard value as otherwise it won't be handled properly under Mac
     * (where it is special and put into the "Apple" menu) */
    About_Event = wxID_ABOUT,

    Iconize_Event
};

BEGIN_EVENT_TABLE(Interface, wxFrame)
    /* Menu events */
    EVT_MENU(Exit_Event, Interface::OnExit)
    EVT_MENU(About_Event, Interface::OnAbout)

    EVT_MENU(Playlist_Event, Interface::OnShowDialog)
    EVT_MENU(Logs_Event, Interface::OnShowDialog)
    EVT_MENU(FileInfo_Event, Interface::OnShowDialog)
    EVT_MENU(Prefs_Event, Interface::OnShowDialog)

    EVT_MENU_OPEN(Interface::OnMenuOpen)

    EVT_MENU( Extended_Event, Interface::OnExtended )
//    EVT_MENU( Undock_Event, Interface::OnUndock )

    EVT_MENU( Bookmarks_Event, Interface::OnShowDialog)

#if defined( __WXMSW__ ) || defined( __WXMAC__ )
    EVT_CONTEXT_MENU(Interface::OnContextMenu2)
#endif
    EVT_RIGHT_UP(Interface::OnContextMenu)

    /* Toolbar events */
    EVT_MENU(OpenFileSimple_Event, Interface::OnShowDialog)
    EVT_MENU(OpenAdv_Event, Interface::OnShowDialog)
    EVT_MENU(OpenFile_Event, Interface::OnShowDialog)
    EVT_MENU(OpenDir_Event, Interface::OnShowDialog)
    EVT_MENU(OpenDisc_Event, Interface::OnShowDialog)
    EVT_MENU(OpenNet_Event, Interface::OnShowDialog)
    EVT_MENU(OpenCapture_Event, Interface::OnShowDialog)
    EVT_MENU(OpenSat_Event, Interface::OnShowDialog)
    EVT_MENU(Wizard_Event, Interface::OnShowDialog)
    EVT_MENU(StopStream_Event, Interface::OnStopStream)
    EVT_MENU(PlayStream_Event, Interface::OnPlayStream)
    EVT_MENU(PrevStream_Event, Interface::OnPrevStream)
    EVT_MENU(NextStream_Event, Interface::OnNextStream)
    EVT_MENU(SlowStream_Event, Interface::OnSlowStream)
    EVT_MENU(FastStream_Event, Interface::OnFastStream)

    /* Disc Buttons events */
    EVT_BUTTON(DiscMenu_Event, Interface::OnDiscMenu)
    EVT_BUTTON(DiscPrev_Event, Interface::OnDiscPrev)
    EVT_BUTTON(DiscNext_Event, Interface::OnDiscNext)

    /* Slider events */
    EVT_COMMAND_SCROLL(SliderScroll_Event, Interface::OnSliderUpdate)

    /* Custom events */
    EVT_COMMAND(0, wxEVT_INTF, Interface::OnControlEvent)
    EVT_COMMAND(1, wxEVT_INTF, Interface::OnControlEvent)

    EVT_TIMER(ID_CONTROLS_TIMER, Interface::OnControlsTimer)
    EVT_TIMER(ID_SLIDER_TIMER, Interface::OnSliderTimer)
END_EVENT_TABLE()

/*****************************************************************************
 * Constructor.
 *****************************************************************************/
Interface::Interface( intf_thread_t *_p_intf, long style ):
    wxFrame( NULL, -1, wxT("VLC media player"),
             wxDefaultPosition, wxSize(700,100), style )
{
    /* Initializations */
    p_intf = _p_intf;
    i_old_playing_status = PAUSE_S;
    b_extra = VLC_FALSE;
//    b_undock = VLC_FALSE;


    extra_window = NULL;

    /* Give our interface a nice little icon */
    SetIcon( wxIcon( vlc_xpm ) );

    /* Create a sizer for the main frame */
    frame_sizer = new wxBoxSizer( wxVERTICAL );
    SetSizer( frame_sizer );

    /* Create a dummy widget that can get the keyboard focus */
    wxWindow *p_dummy = new wxWindow( this, 0, wxDefaultPosition,
                                      wxSize(0,0) );
#if defined(__WXGTK20__) && wxCHECK_VERSION(2,5,6)
    /* As ugly as your butt! Please remove when wxWidgets 2.6 fixed their
     * Accelerators bug. */
    p_dummy->m_imData = 0;
    m_imData = 0;
#endif
    p_dummy->SetFocus();
    frame_sizer->Add( p_dummy, 0, 0 );

#ifdef wxHAS_TASK_BAR_ICON
    /* Systray integration */
    p_systray = NULL;
    if ( config_GetInt( p_intf, "wxwin-systray" ) )
    {
        p_systray = new Systray(this, p_intf);
        p_systray->SetIcon( wxIcon( vlc16x16_xpm ), wxT("VLC media player") );
        if ( (! p_systray->IsOk()) || (! p_systray->IsIconInstalled()) )
        {
            msg_Warn(p_intf, "Cannot set systray icon, weird things may happen");
        }
    }
#endif

    /* Creation of the menu bar */
    CreateOurMenuBar();

    /* Creation of the tool bar */
    CreateOurToolBar();

    /* Create the extra panel */
    extra_frame = new ExtraPanel( p_intf, this );
    frame_sizer->Add( extra_frame, 0, wxEXPAND , 0 );
    frame_sizer->Hide( extra_frame );

    /* Creation of the status bar
     * Helptext for menu items and toolbar tools will automatically get
     * displayed here. */
    int i_status_width[3] = {-6, -2, -9};
    statusbar = CreateStatusBar( 3 );                            /* 2 fields */
    statusbar->SetStatusWidths( 3, i_status_width );
    statusbar->SetStatusText( wxString::Format(wxT("x%.2f"), 1.0), 1 );

    /* Video window */
    video_window = 0;
    if( config_GetInt( p_intf, "wxwin-embed" ) )
    {
        video_window = CreateVideoWindow( p_intf, this );
        frame_sizer->Add( p_intf->p_sys->p_video_sizer, 1, wxEXPAND, 0 );
    }

    /* Creation of the slider sub-window */
    CreateOurSlider();
    frame_sizer->Add( slider_frame, 0, wxEXPAND , 0 );
    frame_sizer->Hide( slider_frame );

    /* Make sure we've got the right background colour */
    SetBackgroundColour( slider_frame->GetBackgroundColour() );

    /* Layout everything */
    frame_sizer->Layout();
    frame_sizer->Fit(this);

#if wxUSE_DRAG_AND_DROP
    /* Associate drop targets with the main interface */
    SetDropTarget( new DragAndDrop( p_intf ) );
#endif

    SetupHotkeys();

    m_controls_timer.SetOwner(this, ID_CONTROLS_TIMER);
    m_slider_timer.SetOwner(this, ID_SLIDER_TIMER);

    /* Start timer */
    timer = new Timer( p_intf, this );

    /* */
    WindowSettings *ws = p_intf->p_sys->p_window_settings;
    wxPoint p;
    wxSize  s;
    bool    b_shown;

    ws->SetScreen( wxSystemSettings::GetMetric( wxSYS_SCREEN_X ),
                   wxSystemSettings::GetMetric( wxSYS_SCREEN_Y ) );

    if( ws->GetSettings( WindowSettings::ID_MAIN, b_shown, p, s ) )
        Move( p );
}

Interface::~Interface()
{
    WindowSettings *ws = p_intf->p_sys->p_window_settings;

    ws->SetSettings( WindowSettings::ID_MAIN, true,
                     GetPosition(), GetSize() );

    if( video_window ) delete video_window;

#ifdef wxHAS_TASK_BAR_ICON
    if( p_systray ) delete p_systray;
#endif

    if( p_intf->p_sys->p_wxwindow ) delete p_intf->p_sys->p_wxwindow;

    /* Clean up */
    delete timer;
}

void Interface::Init()
{
    /* Misc init */
    SetupHotkeys();
}

void Interface::Update()
{
    /* Misc updates */
    ((VLCVolCtrl *)volctrl)->UpdateVolume();
}

void Interface::OnControlEvent( wxCommandEvent& event )
{
    switch( event.GetId() )
    {
    case 0:
        {
          if( p_intf->p_sys->b_video_autosize )
          {
        frame_sizer->Layout();
        frame_sizer->Fit(this);
          }
        }
        break;

    case 1:
        long i_style = GetWindowStyle();
        if( event.GetInt() ) i_style |= wxSTAY_ON_TOP;
        else i_style &= ~wxSTAY_ON_TOP;
        SetWindowStyle( i_style );
        break;
    }
}

/*****************************************************************************
 * Private methods.
 *****************************************************************************/
void Interface::CreateOurMenuBar()
{
    int minimal = config_GetInt( p_intf, "wxwin-minimal" );

    /* Create the "File" menu */
    wxMenu *file_menu = new wxMenu;

    if (!minimal)
    {
    file_menu->Append( OpenFileSimple_Event,
                       wxU(_("Quick &Open File...\tCtrl-O")) );

    file_menu->AppendSeparator();
    file_menu->Append( OpenFile_Event, wxU(_("Open &File...\tCtrl-F")) );
    file_menu->Append( OpenDir_Event, wxU(_("Open Dir&ectory...\tCtrl-E")) );
    file_menu->Append( OpenDisc_Event, wxU(_("Open &Disc...\tCtrl-D")) );
    file_menu->Append( OpenNet_Event,
                       wxU(_("Open &Network Stream...\tCtrl-N")) );
    file_menu->Append( OpenCapture_Event,
                       wxU(_("Open C&apture Device...\tCtrl-A")) );

    file_menu->AppendSeparator();
    file_menu->Append( Wizard_Event, wxU(_("&Wizard...\tCtrl-W")) );
    file_menu->AppendSeparator();
    }
    file_menu->Append( Exit_Event, wxU(_("E&xit\tCtrl-X")) );

    /* Create the "View" menu */
    wxMenu *view_menu = new wxMenu;
    if (!minimal)
    {
    view_menu->Append( Playlist_Event, wxU(_("&Playlist...\tCtrl-P")) );
    }
    view_menu->Append( Logs_Event, wxU(_("&Messages...\tCtrl-M")) );
    view_menu->Append( FileInfo_Event,
                       wxU(_("Stream and Media &info...\tCtrl-I")) );

    /* Create the "Auto-generated" menus */
    p_settings_menu = SettingsMenu( p_intf, this );
    p_audio_menu = AudioMenu( p_intf, this );
    p_video_menu = VideoMenu( p_intf, this );
    p_navig_menu = NavigMenu( p_intf, this );

    /* Create the "Help" menu */
    wxMenu *help_menu = new wxMenu;
    help_menu->Append( About_Event, wxU(_("About VLC media player")) );

    /* Append the freshly created menus to the menu bar... */
    wxMenuBar *menubar = new wxMenuBar();
    menubar->Append( file_menu, wxU(_("&File")) );
    menubar->Append( view_menu, wxU(_("&View")) );
    menubar->Append( p_settings_menu, wxU(_("&Settings")) );
    menubar->Append( p_audio_menu, wxU(_("&Audio")) );
    menubar->Append( p_video_menu, wxU(_("&Video")) );
    menubar->Append( p_navig_menu, wxU(_("&Navigation")) );
    menubar->Append( help_menu, wxU(_("&Help")) );

    /* Attach the menu bar to the frame */
    SetMenuBar( menubar );

    /* Find out size of menu bar */
    int i_size = 0;
    for( unsigned int i = 0; i < menubar->GetMenuCount(); i++ )
    {
        int i_width, i_height;
        menubar->GetTextExtent( menubar->GetLabelTop(i), &i_width, &i_height );
        i_size += i_width +
#if defined(__WXGTK__)
            22 /* approximate margin */;
#else
#if (wxMAJOR_VERSION <= 2) && (wxMINOR_VERSION <= 5) && (wxRELEASE_NUMBER < 3)
            4 /* approximate margin */;
#else
            18 /* approximate margin */;
#endif
#endif
    }
    frame_sizer->SetMinSize( i_size, -1 );

    /* Intercept all menu events in our custom event handler */
    PushEventHandler( new MenuEvtHandler( p_intf, this ) );

#if wxUSE_DRAG_AND_DROP
    /* Associate drop targets with the menubar */
    menubar->SetDropTarget( new DragAndDrop( p_intf ) );
#endif
}

void Interface::CreateOurToolBar()
{
#define HELP_OPEN N_("Open")
#define HELP_STOP N_("Stop")
#define HELP_PLAY N_("Play")
#define HELP_PAUSE N_("Pause")
#define HELP_PLO N_("Playlist")
#define HELP_PLP N_("Previous playlist item")
#define HELP_PLN N_("Next playlist item")
#define HELP_SLOW N_("Play slower")
#define HELP_FAST N_("Play faster")

    int minimal = config_GetInt( p_intf, "wxwin-minimal" );

    wxLogNull LogDummy; /* Hack to suppress annoying log message on the win32
                         * version because we don't include wx.rc */

    wxToolBar *toolbar =
        CreateToolBar( wxTB_HORIZONTAL | wxTB_FLAT );

    toolbar->SetToolBitmapSize( wxSize(TOOLBAR_BMP_WIDTH,TOOLBAR_BMP_HEIGHT) );

    if (!minimal)
    {
    toolbar->AddTool( OpenFile_Event, wxT(""),
                      wxBitmap( eject_xpm ), wxU(_(HELP_OPEN)) );
    toolbar->AddSeparator();
    }

    wxToolBarToolBase *p_tool = toolbar->AddTool( PlayStream_Event, wxT(""),
                      wxBitmap( play_xpm ), wxU(_(HELP_PLAY)), wxITEM_CHECK );
    p_tool->SetClientData( p_tool );

    if (!minimal)
    {
    toolbar->AddTool( StopStream_Event, wxT(""), wxBitmap( stop_xpm ),
                      wxU(_(HELP_STOP)) );
    toolbar->AddSeparator();

    toolbar->AddTool( PrevStream_Event, wxT(""),
                      wxBitmap( prev_xpm ), wxU(_(HELP_PLP)) );
    toolbar->AddTool( SlowStream_Event, wxT(""),
                      wxBitmap( slow_xpm ), wxU(_(HELP_SLOW)) );
    toolbar->AddTool( FastStream_Event, wxT(""),