interface.cpp

VLC媒体播放程序

/*****************************************************************************
 * interface.cpp : wxWindows plugin for vlc
 *****************************************************************************
 * Copyright (C) 2000-2004, 2003 VideoLAN
 * $Id: interface.cpp,v 1.87 2004/03/01 18:31:13 gbazin Exp $
 *
 * 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/intf.h>
#include "stream_control.h"

#include "wxwindows.h"

/* include the toolbar graphics */
#include "bitmaps/file.xpm"

#include "bitmaps/disc.xpm"
#include "bitmaps/net.xpm"
#if 0
 #include "bitmaps/sat.xpm"
#endif
#include "bitmaps/play.xpm"
#include "bitmaps/pause.xpm"
#include "bitmaps/stop.xpm"
#include "bitmaps/previous.xpm"
#include "bitmaps/next.xpm"
#include "bitmaps/playlist.xpm"
#include "bitmaps/fast.xpm"
#include "bitmaps/slow.xpm"

#define TOOLBAR_BMP_WIDTH 36
#define TOOLBAR_BMP_HEIGHT 36

/* include the icon graphic */
#include "../../../share/vlc32x32.xpm"

/*****************************************************************************
 * 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: public wxGauge
{
public:
    /* Constructor */
    wxVolCtrl( intf_thread_t *_p_intf, wxWindow* parent, wxWindowID id );
    virtual ~wxVolCtrl() {};

    void Change( int i_volume );

    void OnChange( wxMouseEvent& event );

private:
    intf_thread_t *p_intf;

    DECLARE_EVENT_TABLE();
};

BEGIN_EVENT_TABLE(wxVolCtrl, wxWindow)
    /* Mouse events */
    EVT_LEFT_DOWN(wxVolCtrl::OnChange)
    EVT_MOTION(wxVolCtrl::OnChange)
END_EVENT_TABLE()

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

/* 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,
    OpenDisc_Event,
    OpenNet_Event,
    OpenSat_Event,
    OpenOther_Event,
    EjectDisc_Event,

    StreamWizard_Event,

    Playlist_Event,
    Logs_Event,
    FileInfo_Event,

    Prefs_Event,
    Extra_Event,
    Skins_Event,

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

    Adjust_Event,
    Hue_Event,
    Contrast_Event,
    Brightness_Event,
    Saturation_Event,
    Gamma_Event,

    Ratio_Event,
    Visual_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
};

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( Extra_Event, Interface::OnExtra)
    EVT_CHECKBOX( Adjust_Event, Interface::OnEnableAdjust)

    EVT_TEXT( Ratio_Event, Interface::OnRatio)
    EVT_CHECKBOX( Visual_Event, Interface::OnEnableVisual)

#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(OpenDisc_Event, Interface::OnShowDialog)
    EVT_MENU(OpenNet_Event, Interface::OnShowDialog)
    EVT_MENU(OpenSat_Event, Interface::OnShowDialog)
    EVT_MENU(StreamWizard_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)

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

    EVT_COMMAND_SCROLL(Hue_Event, Interface::OnHueUpdate)
    EVT_COMMAND_SCROLL(Contrast_Event, Interface::OnContrastUpdate)
    EVT_COMMAND_SCROLL(Brightness_Event, Interface::OnBrightnessUpdate)
    EVT_COMMAND_SCROLL(Saturation_Event, Interface::OnSaturationUpdate)
    EVT_COMMAND_SCROLL(Gamma_Event, Interface::OnGammaUpdate)

END_EVENT_TABLE()

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

    /* 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) );
    p_dummy->SetFocus();
    frame_sizer->Add( p_dummy, 0, wxEXPAND );

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

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

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

    /* Create the extra panel */
    CreateOurExtraPanel();
    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 );

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

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

#if !defined(__WXX11__)
    /* Associate drop targets with the main interface */
    SetDropTarget( new DragAndDrop( p_intf ) );
#endif

    UpdateAcceleratorTable();

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

Interface::~Interface()
{
    if( p_intf->p_sys->p_wxwindow )
    {
        delete p_intf->p_sys->p_wxwindow;
    }

    /* Clean up */
    delete timer;
}

/*****************************************************************************
 * Private methods.
 *****************************************************************************/
void Interface::CreateOurMenuBar()
{
#define HELP_SIMPLE N_("Quick file open")
#define HELP_ADV N_("Advanced open")
#define HELP_FILE  N_("Open a file")
#define HELP_DISC  N_("Open Disc Media")
#define HELP_NET   N_("Open a network stream")
#define HELP_SAT   N_("Open a satellite stream")
#define HELP_EJECT N_("Eject the DVD/CD")
#define HELP_EXIT  N_("Exit this program")

#define HELP_STREAMWIZARD N_("Open the streaming wizard")
#define HELP_OTHER N_("Open other types of inputs")

#define HELP_PLAYLIST   N_("Open the playlist")
#define HELP_LOGS       N_("Show the program logs")
#define HELP_FILEINFO       N_("Show information about the file being played")

#define HELP_PREFS N_("Go to the preferences menu")
#define EXTRA_PREFS N_("Shows the extended GUI")

#define HELP_ABOUT N_("About this program")

    /* Create the "File" menu */
    wxMenu *file_menu = new wxMenu;
    file_menu->Append( OpenFileSimple_Event, wxU(_("Quick &Open File...")),
                       wxU(_(HELP_SIMPLE)) );

    file_menu->AppendSeparator();
    file_menu->Append( OpenFile_Event, wxU(_("Open &File...")),
                      wxU(_(HELP_FILE)));
    file_menu->Append( OpenDisc_Event, wxU(_("Open &Disc...")),
                      wxU(_(HELP_DISC)));
    file_menu->Append( OpenNet_Event, wxU(_("Open &Network Stream...")),
                      wxU(_(HELP_NET)));

#if 0
    file_menu->Append( OpenSat_Event, wxU(_("Open &Satellite Stream...")),
                       wxU(_(HELP_NET)) );
#endif
    file_menu->AppendSeparator();
    file_menu->Append( StreamWizard_Event, wxU(_("Streaming Wizard...")),
                       wxU(_(HELP_STREAMWIZARD)) );
    file_menu->AppendSeparator();
    file_menu->Append( Exit_Event, wxU(_("E&xit")), wxU(_(HELP_EXIT)) );

    /* Create the "View" menu */
    wxMenu *view_menu = new wxMenu;
    view_menu->Append( Playlist_Event, wxU(_("&Playlist...")),
                       wxU(_(HELP_PLAYLIST)) );
    view_menu->Append( Logs_Event, wxU(_("&Messages...")), wxU(_(HELP_LOGS)) );
    view_menu->Append( FileInfo_Event, wxU(_("&Stream and Media info...")),
                       wxU(_(HELP_FILEINFO)) );

    /* Create the "Settings" menu */
    p_settings_menu = new wxMenu;
    b_settings_menu = 1;

    /* Create the "Audio" menu */
    p_audio_menu = new wxMenu;
    b_audio_menu = 1;

    /* Create the "Video" menu */
    p_video_menu = new wxMenu;
    b_video_menu = 1;

    /* Create the "Navigation" menu */
    p_navig_menu = new wxMenu;
    b_navig_menu = 1;

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

    /* Append the freshly created menus to the menu bar... */
    wxMenuBar *menubar = new wxMenuBar( wxMB_DOCKABLE );
    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 );

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

#if !defined(__WXX11__)
    /* Associate drop targets with the menubar */
    menubar->SetDropTarget( new DragAndDrop( p_intf ) );
#endif
}

void Interface::CreateOurToolBar()
{
#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")

    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 | wxTB_DOCKABLE );

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

    toolbar->AddTool( OpenFileSimple_Event, wxT(""),
                      wxBitmap( file_xpm ), wxU(_(HELP_SIMPLE)) );

    toolbar->AddSeparator();
    toolbar->AddTool( OpenFile_Event, wxT(""), wxBitmap( file_xpm ),
                      wxU(_(HELP_FILE)) );
    toolbar->AddTool( OpenDisc_Event, wxT(""), wxBitmap( disc_xpm ),
                      wxU(_(HELP_DISC)) );
    toolbar->AddTool( OpenNet_Event, wxT(""), wxBitmap( net_xpm ),
                      wxU(_(HELP_NET)) );
    toolbar->AddSeparator();

    toolbar->AddTool( StopStream_Event, wxT(""), wxBitmap( stop_xpm ),
                      wxU(_(HELP_STOP)) );
    toolbar->AddTool( PlayStream_Event, wxT(""), wxBitmap( play_xpm ),
                      wxU(_(HELP_PLAY)) );

    toolbar->AddSeparator();
    toolbar->AddTool( Playlist_Event, wxT(""),
                      wxBitmap( playlist_xpm ), wxU(_(HELP_PLO)) );
    toolbar->AddTool( PrevStream_Event, wxT(""),
                      wxBitmap( previous_xpm ), wxU(_(HELP_PLP)) );
    toolbar->AddTool( NextStream_Event, wxT(""), wxBitmap( next_xpm ),
                      wxU(_(HELP_PLN)) );
    toolbar->AddTool( SlowStream_Event, wxT(""), wxBitmap( slow_xpm ),
                      wxU(_(HELP_SLOW)) );
    toolbar->AddTool( FastStream_Event, wxT(""), wxBitmap( fast_xpm ),
                      wxU(_(HELP_FAST)) );

    toolbar->Realize();

    /* Place the toolbar in a sizer, so we can calculate the width of the
     * toolbar and set this as the minimum for the main frame size. */
    wxBoxSizer *toolbar_sizer = new wxBoxSizer( wxHORIZONTAL );
    toolbar_sizer->Add( toolbar, 1, 0, 0 );
    toolbar_sizer->Layout();

#ifndef WIN32
    frame_sizer->SetMinSize( toolbar_sizer->GetMinSize().GetWidth(), -1 );
#else /* That sucks but for some reason it works better */
    frame_sizer->SetMinSize( toolbar_sizer->GetMinSize().GetWidth()*2/3, -1 );
#endif

#if !defined(__WXX11__)
    /* Associate drop targets with the toolbar */
    toolbar->SetDropTarget( new DragAndDrop( p_intf ) );
#endif
}

void Interface::CreateOurSlider()
{
    /* Create a new frame and sizer containing the slider */
    slider_frame = new wxPanel( this, -1, wxDefaultPosition, wxDefaultSize );
    slider_frame->SetAutoLayout( TRUE );