/////////////////////////////////////////////////////////////////////////////// // Name: mediaplayer.cpp // Purpose: wxMediaCtrl sample // Author: Ryan Norton // Modified by: // Created: 11/10/04 // Copyright: (c) Ryan Norton // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% // MediaPlayer // // This is a somewhat comprehensive example of how to use all the funtionality // of the wxMediaCtrl class in wxWidgets. // // To use this sample, simply select Open File from the file menu, // select the file you want to play - and MediaPlayer will play the file in // the current notebook page, showing video if necessary. // // You can select one of the menu options, or move the slider around // to manipulate what is playing. // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% // Known bugs with wxMediaCtrl: // // 1) Certain backends can't play the same media file at the same time (MCI, // Cocoa NSMovieView-Quicktime). // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% // ============================================================================ // Definitions // ============================================================================ // ---------------------------------------------------------------------------- // Pre-compiled header stuff // ---------------------------------------------------------------------------- #include "wx/wxprec.h" #ifndef WX_PRECOMP #include "wx/wx.h" #endif // ---------------------------------------------------------------------------- // Headers // ---------------------------------------------------------------------------- #include "wx/mediactrl.h" // for wxMediaCtrl #include "wx/filedlg.h" // for opening files from OpenFile #include "wx/slider.h" // for a slider for seeking within media #include "wx/sizer.h" // for positioning controls/wxBoxSizer #include "wx/timer.h" // timer for updating status bar #include "wx/textdlg.h" // for getting user text from OpenURL/Debug #include "wx/notebook.h" // for wxNotebook and putting movies in pages #include "wx/cmdline.h" // for wxCmdLineParser (optional) #include "wx/listctrl.h" // for wxListCtrl #include "wx/dnd.h" // drag and drop for the playlist #include "wx/filename.h" // For wxFileName::GetName() #include "wx/config.h" // for native wxConfig #include "wx/vector.h" // Under MSW we have several different backends but when linking statically // they may be discarded by the linker (this definitely happens with MSVC) so // force linking them. You don't have to do this in your code if you don't plan // to use them, of course. #if defined(__WXMSW__) && !defined(WXUSINGDLL) #include "wx/link.h" wxFORCE_LINK_MODULE(wxmediabackend_am) wxFORCE_LINK_MODULE(wxmediabackend_qt) wxFORCE_LINK_MODULE(wxmediabackend_wmp10) #endif // static wxMSW build #ifndef wxHAS_IMAGES_IN_RESOURCES #include "../sample.xpm" #endif // ---------------------------------------------------------------------------- // Bail out if the user doesn't want one of the // things we need // ---------------------------------------------------------------------------- #if !wxUSE_MEDIACTRL || !wxUSE_MENUS || !wxUSE_SLIDER || !wxUSE_TIMER || \ !wxUSE_NOTEBOOK || !wxUSE_LISTCTRL #error "Not all required elements are enabled. Please modify setup.h!" #endif // ============================================================================ // Declarations // ============================================================================ // ---------------------------------------------------------------------------- // Enumurations // ---------------------------------------------------------------------------- // IDs for the controls and the menu commands enum { // Menu event IDs wxID_LOOP = 1, wxID_OPENFILESAMEPAGE, wxID_OPENFILENEWPAGE, wxID_OPENURLSAMEPAGE, wxID_OPENURLNEWPAGE, wxID_CLOSECURRENTPAGE, wxID_PLAY, wxID_PAUSE, wxID_NEXT, wxID_PREV, wxID_SELECTBACKEND, wxID_SHOWINTERFACE, // wxID_STOP, [built-in to wxWidgets] // wxID_ABOUT, [built-in to wxWidgets] // wxID_EXIT, [built-in to wxWidgets] // Control event IDs wxID_SLIDER, wxID_PBSLIDER, wxID_VOLSLIDER, wxID_NOTEBOOK, wxID_MEDIACTRL, wxID_BUTTONNEXT, wxID_BUTTONPREV, wxID_BUTTONSTOP, wxID_BUTTONPLAY, wxID_BUTTONVD, wxID_BUTTONVU, wxID_LISTCTRL, wxID_GAUGE }; // ---------------------------------------------------------------------------- // wxMediaPlayerApp // ---------------------------------------------------------------------------- class wxMediaPlayerApp : public wxApp { public: #ifdef __WXMAC__ virtual void MacOpenFiles(const wxArrayString & fileNames ) wxOVERRIDE; #endif #if wxUSE_CMDLINE_PARSER virtual void OnInitCmdLine(wxCmdLineParser& parser) wxOVERRIDE; virtual bool OnCmdLineParsed(wxCmdLineParser& parser) wxOVERRIDE; // Files specified on the command line, if any. wxVector m_params; #endif // wxUSE_CMDLINE_PARSER virtual bool OnInit() wxOVERRIDE; protected: class wxMediaPlayerFrame* m_frame; }; // ---------------------------------------------------------------------------- // wxMediaPlayerFrame // ---------------------------------------------------------------------------- class wxMediaPlayerFrame : public wxFrame { public: // Ctor/Dtor wxMediaPlayerFrame(const wxString& title); ~wxMediaPlayerFrame(); // Menu event handlers void OnQuit(wxCommandEvent& event); void OnAbout(wxCommandEvent& event); void OnOpenFileSamePage(wxCommandEvent& event); void OnOpenFileNewPage(wxCommandEvent& event); void OnOpenURLSamePage(wxCommandEvent& event); void OnOpenURLNewPage(wxCommandEvent& event); void OnCloseCurrentPage(wxCommandEvent& event); void OnPlay(wxCommandEvent& event); void OnPause(wxCommandEvent& event); void OnStop(wxCommandEvent& event); void OnNext(wxCommandEvent& event); void OnPrev(wxCommandEvent& event); void OnVolumeDown(wxCommandEvent& event); void OnVolumeUp(wxCommandEvent& event); void OnLoop(wxCommandEvent& event); void OnShowInterface(wxCommandEvent& event); void OnSelectBackend(wxCommandEvent& event); // Key event handlers void OnKeyDown(wxKeyEvent& event); // Quickie for playing from command line void AddToPlayList(const wxString& szString); // ListCtrl event handlers void OnChangeSong(wxListEvent& event); // Media event handlers void OnMediaLoaded(wxMediaEvent& event); // Close event handlers void OnClose(wxCloseEvent& event); private: // Common open file code void OpenFile(bool bNewPage); void OpenURL(bool bNewPage); void DoOpenFile(const wxString& path, bool bNewPage); void DoPlayFile(const wxString& path); class wxMediaPlayerTimer* m_timer; // Timer to write info to status bar wxNotebook* m_notebook; // Notebook containing our pages // Maybe I should use more accessors, but for simplicity // I'll allow the other classes access to our members friend class wxMediaPlayerApp; friend class wxMediaPlayerNotebookPage; friend class wxMediaPlayerTimer; }; // ---------------------------------------------------------------------------- // wxMediaPlayerNotebookPage // ---------------------------------------------------------------------------- class wxMediaPlayerNotebookPage : public wxPanel { wxMediaPlayerNotebookPage(wxMediaPlayerFrame* parentFrame, wxNotebook* book, const wxString& be = wxEmptyString); // Slider event handlers void OnBeginSeek(wxScrollEvent& event); void OnEndSeek(wxScrollEvent& event); void OnPBChange(wxScrollEvent& event); void OnVolChange(wxScrollEvent& event); // Media event handlers void OnMediaPlay(wxMediaEvent& event); void OnMediaPause(wxMediaEvent& event); void OnMediaStop(wxMediaEvent& event); void OnMediaFinished(wxMediaEvent& event); public: bool IsBeingDragged(); // accessor for m_bIsBeingDragged // make wxMediaPlayerFrame able to access the private members friend class wxMediaPlayerFrame; int m_nLastFileId; // List ID of played file in listctrl wxString m_szFile; // Name of currently playing file/location wxMediaCtrl* m_mediactrl; // Our media control class wxMediaPlayerListCtrl* m_playlist; // Our playlist wxSlider* m_slider; // The slider below our media control wxSlider* m_pbSlider; // Lower-left slider for adjusting speed wxSlider* m_volSlider; // Lower-right slider for adjusting volume int m_nLoops; // Number of times media has looped bool m_bLoop; // Whether we are looping or not bool m_bIsBeingDragged; // Whether the user is dragging the scroll bar wxMediaPlayerFrame* m_parentFrame; // Main wxFrame of our sample wxButton* m_prevButton; // Go to previous file button wxButton* m_playButton; // Play/pause file button wxButton* m_stopButton; // Stop playing file button wxButton* m_nextButton; // Next file button wxButton* m_vdButton; // Volume down button wxButton* m_vuButton; // Volume up button wxGauge* m_gauge; // Gauge to keep in line with slider }; // ---------------------------------------------------------------------------- // wxMediaPlayerTimer // ---------------------------------------------------------------------------- class wxMediaPlayerTimer : public wxTimer { public: // Ctor wxMediaPlayerTimer(wxMediaPlayerFrame* frame) {m_frame = frame;} // Called each time the timer's timeout expires void Notify() wxOVERRIDE; wxMediaPlayerFrame* m_frame; // The wxMediaPlayerFrame }; // ---------------------------------------------------------------------------- // wxMediaPlayerListCtrl // ---------------------------------------------------------------------------- class wxMediaPlayerListCtrl : public wxListCtrl { public: void AddToPlayList(const wxString& szString) { wxListItem kNewItem; kNewItem.SetAlign(wxLIST_FORMAT_LEFT); int nID = this->GetItemCount(); kNewItem.SetId(nID); kNewItem.SetMask(wxLIST_MASK_DATA); kNewItem.SetData(new wxString(szString)); this->InsertItem(kNewItem); this->SetItem(nID, 0, "*"); this->SetItem(nID, 1, wxFileName(szString).GetName()); if (nID % 2) { kNewItem.SetBackgroundColour(wxColour(192,192,192)); this->SetItem(kNewItem); } } void GetSelectedItem(wxListItem& listitem) { listitem.SetMask(wxLIST_MASK_TEXT | wxLIST_MASK_DATA); int nLast = -1, nLastSelected = -1; while ((nLast = this->GetNextItem(nLast, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED)) != -1) { listitem.SetId(nLast); this->GetItem(listitem); if ((listitem.GetState() & wxLIST_STATE_FOCUSED) ) break; nLastSelected = nLast; } if (nLast == -1 && nLastSelected == -1) return; listitem.SetId(nLastSelected == -1 ? nLast : nLastSelected); this->GetItem(listitem); } }; // ---------------------------------------------------------------------------- // wxPlayListDropTarget // // Drop target for playlist (i.e. allows users to drag a file from explorer into // the playlist to add that file) // ---------------------------------------------------------------------------- #if wxUSE_DRAG_AND_DROP class wxPlayListDropTarget : public wxFileDropTarget { public: wxPlayListDropTarget(wxMediaPlayerListCtrl& list) : m_list(list) {} ~wxPlayListDropTarget(){} virtual bool OnDropFiles(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxArrayString& files) wxOVERRIDE { for (size_t i = 0; i < files.GetCount(); ++i) { m_list.AddToPlayList(files[i]); } return true; } wxMediaPlayerListCtrl& m_list; }; #endif // ============================================================================ // // Implementation // // ============================================================================ // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ // // [Functions] // // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ // ---------------------------------------------------------------------------- // wxGetMediaStateText // // Converts a wxMediaCtrl state into something useful that we can display // to the user // ---------------------------------------------------------------------------- const wxString wxGetMediaStateText(int nState) { switch(nState) { case wxMEDIASTATE_PLAYING: return "Playing"; case wxMEDIASTATE_STOPPED: return "Stopped"; ///case wxMEDIASTATE_PAUSED: default: return "Paused"; } } // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ // // wxMediaPlayerApp // // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ // ---------------------------------------------------------------------------- // This sets up this wxApp as the global wxApp that gui calls in wxWidgets // use. For example, if you were to be in windows and use a file dialog, // wxWidgets would use wxTheApp->GetHInstance() which would get the instance // handle of the application. These routines in wx _DO NOT_ check to see if // the wxApp exists, and thus will crash the application if you try it. // // wxIMPLEMENT_APP does this, and also implements the platform-specific entry // routine, such as main or WinMain(). Use wxIMPLEMENT_APP_NO_MAIN if you do // not desire this behaviour. // ---------------------------------------------------------------------------- wxIMPLEMENT_APP(wxMediaPlayerApp); // ---------------------------------------------------------------------------- // wxMediaPlayerApp command line parsing // ---------------------------------------------------------------------------- #if wxUSE_CMDLINE_PARSER void wxMediaPlayerApp::OnInitCmdLine(wxCmdLineParser& parser) { wxApp::OnInitCmdLine(parser); parser.AddParam("input files", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL | wxCMD_LINE_PARAM_MULTIPLE); } bool wxMediaPlayerApp::OnCmdLineParsed(wxCmdLineParser& parser) { if ( !wxApp::OnCmdLineParsed(parser) ) return false; for (size_t paramNr=0; paramNr < parser.GetParamCount(); ++paramNr) m_params.push_back(parser.GetParam(paramNr)); return true; } #endif // wxUSE_CMDLINE_PARSER // ---------------------------------------------------------------------------- // wxMediaPlayerApp::OnInit // // Where execution starts - akin to a main or WinMain. // 1) Create the frame and show it to the user // 2) Process filenames from the commandline // 3) return true specifying that we want execution to continue past OnInit // ---------------------------------------------------------------------------- bool wxMediaPlayerApp::OnInit() { if ( !wxApp::OnInit() ) return false; // SetAppName() lets wxConfig and others know where to write SetAppName("wxMediaPlayer"); wxMediaPlayerFrame *frame = new wxMediaPlayerFrame("MediaPlayer wxWidgets Sample"); frame->Show(true); #if wxUSE_CMDLINE_PARSER if ( !m_params.empty() ) { for ( size_t n = 0; n < m_params.size(); n++ ) frame->AddToPlayList(m_params[n]); wxCommandEvent theEvent(wxEVT_MENU, wxID_NEXT); frame->AddPendingEvent(theEvent); } #endif // wxUSE_CMDLINE_PARSER return true; } #ifdef __WXMAC__ void wxMediaPlayerApp::MacOpenFiles(const wxArrayString & fileNames ) { // Called when a user drags files over our app m_frame->DoOpenFile(fileNames[0], true /* new page */); } #endif // __WXMAC__ // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ // // wxMediaPlayerFrame // // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ // ---------------------------------------------------------------------------- // wxMediaPlayerFrame Constructor // // 1) Create our menus // 2) Create our notebook control and add it to the frame // 3) Create our status bar // 4) Connect our events // 5) Start our timer // ---------------------------------------------------------------------------- wxMediaPlayerFrame::wxMediaPlayerFrame(const wxString& title) : wxFrame(NULL, wxID_ANY, title, wxDefaultPosition, wxSize(1366,768)) { SetIcon(wxICON(sample)); // // Create Menus // wxMenu *fileMenu = new wxMenu; wxMenu *controlsMenu = new wxMenu; wxMenu *optionsMenu = new wxMenu; wxMenu *helpMenu = new wxMenu; wxMenu *debugMenu = new wxMenu; fileMenu->Append(wxID_OPENFILESAMEPAGE, "&Open File\tCtrl-Shift-O", "Open a File in the current notebook page"); fileMenu->Append(wxID_OPENFILENEWPAGE, "&Open File in a new page", "Open a File in a new notebook page"); fileMenu->Append(wxID_OPENURLSAMEPAGE, "&Open URL", "Open a URL in the current notebook page"); fileMenu->Append(wxID_OPENURLNEWPAGE, "&Open URL in a new page", "Open a URL in a new notebook page"); fileMenu->AppendSeparator(); fileMenu->Append(wxID_CLOSECURRENTPAGE, "&Close Current Page\tCtrl-C", "Close current notebook page"); fileMenu->AppendSeparator(); fileMenu->Append(wxID_EXIT, "E&xit\tAlt-X", "Quit this program"); controlsMenu->Append(wxID_PLAY, "&Play/Pause\tCtrl-P", "Resume/Pause playback"); controlsMenu->Append(wxID_STOP, "&Stop\tCtrl-S", "Stop playback"); controlsMenu->AppendSeparator(); controlsMenu->Append(wxID_PREV, "&Previous\tCtrl-B", "Go to previous track"); controlsMenu->Append(wxID_NEXT, "&Next\tCtrl-N", "Skip to next track"); optionsMenu->AppendCheckItem(wxID_LOOP, "&Loop\tCtrl-L", "Loop Selected Media"); optionsMenu->AppendCheckItem(wxID_SHOWINTERFACE, "&Show Interface\tCtrl-I", "Show wxMediaCtrl native controls"); debugMenu->Append(wxID_SELECTBACKEND, "&Select Backend...\tCtrl-D", "Select a backend manually"); helpMenu->Append(wxID_ABOUT, "&About\tF1", "Show about dialog"); wxMenuBar *menuBar = new wxMenuBar(); menuBar->Append(fileMenu, "&File"); menuBar->Append(controlsMenu, "&Controls"); menuBar->Append(optionsMenu, "&Options"); menuBar->Append(debugMenu, "&Debug"); menuBar->Append(helpMenu, "&Help"); SetMenuBar(menuBar); // // Create our notebook - using wxNotebook is luckily pretty // simple and self-explanatory in most cases // m_notebook = new wxNotebook(this, wxID_NOTEBOOK); // // Create our status bar // #if wxUSE_STATUSBAR // create a status bar just for fun (by default with 1 pane only) CreateStatusBar(1); #endif // wxUSE_STATUSBAR // // Connect events. // // // Menu events // Bind(wxEVT_MENU, &wxMediaPlayerFrame::OnQuit, this, wxID_EXIT); Bind(wxEVT_MENU, &wxMediaPlayerFrame::OnAbout, this, wxID_ABOUT); Bind(wxEVT_MENU, &wxMediaPlayerFrame::OnLoop, this, wxID_LOOP); Bind(wxEVT_MENU, &wxMediaPlayerFrame::OnShowInterface, this, wxID_SHOWINTERFACE); Bind(wxEVT_MENU, &wxMediaPlayerFrame::OnOpenFileNewPage, this, wxID_OPENFILENEWPAGE); Bind(wxEVT_MENU, &wxMediaPlayerFrame::OnOpenFileSamePage, this, wxID_OPENFILESAMEPAGE); Bind(wxEVT_MENU, &wxMediaPlayerFrame::OnOpenURLNewPage, this, wxID_OPENURLNEWPAGE); Bind(wxEVT_MENU, &wxMediaPlayerFrame::OnOpenURLSamePage, this, wxID_OPENURLSAMEPAGE); Bind(wxEVT_MENU, &wxMediaPlayerFrame::OnCloseCurrentPage, this, wxID_CLOSECURRENTPAGE); Bind(wxEVT_MENU, &wxMediaPlayerFrame::OnPlay, this, wxID_PLAY); Bind(wxEVT_MENU, &wxMediaPlayerFrame::OnStop, this, wxID_STOP); Bind(wxEVT_MENU, &wxMediaPlayerFrame::OnNext, this, wxID_NEXT); Bind(wxEVT_MENU, &wxMediaPlayerFrame::OnPrev, this, wxID_PREV); Bind(wxEVT_MENU, &wxMediaPlayerFrame::OnSelectBackend, this, wxID_SELECTBACKEND); // // Key events // wxTheApp->Bind(wxEVT_KEY_DOWN, &wxMediaPlayerFrame::OnKeyDown, this); // // Close events // Bind(wxEVT_CLOSE_WINDOW, &wxMediaPlayerFrame::OnClose, this); // // End of Events // // // Create an initial notebook page so the user has something // to work with without having to go file->open every time :). // wxMediaPlayerNotebookPage* page = new wxMediaPlayerNotebookPage(this, m_notebook); m_notebook->AddPage(page, "", true); // Don't load previous files if we have some specified on the command line, // we wouldn't play them otherwise (they'd have to be inserted into the // play list at the beginning instead of being appended but we don't // support this). #if wxUSE_CMDLINE_PARSER if ( wxGetApp().m_params.empty() ) #endif // wxUSE_CMDLINE_PARSER { // // Here we load the our configuration - // in our case we load all the files that were left in // the playlist the last time the user closed our application // // As an exercise to the reader try modifying it so that // it properly loads the playlist for each page without // conflicting (loading the same data) with the other ones. // wxConfig conf; wxString key, outstring; for(int i = 0; ; ++i) { key.clear(); key << i; if(!conf.Read(key, &outstring)) break; page->m_playlist->AddToPlayList(outstring); } } // // Create a timer to update our status bar // m_timer = new wxMediaPlayerTimer(this); m_timer->Start(500); } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame Destructor // // 1) Deletes child objects implicitly // 2) Delete our timer explicitly // ---------------------------------------------------------------------------- wxMediaPlayerFrame::~wxMediaPlayerFrame() { // Shut down our timer delete m_timer; // // Here we save our info to the registry or whatever // mechanism the OS uses. // // This makes it so that when mediaplayer loads up again // it restores the same files that were in the playlist // this time, rather than the user manually re-adding them. // // We need to do conf->DeleteAll() here because by default // the config still contains the same files as last time // so we need to clear it before writing our new ones. // // TODO: Maybe you could add a menu option to the // options menu to delete the configuration on exit - // all you'd need to do is just remove everything after // conf->DeleteAll() here // // As an exercise to the reader, try modifying this so // that it saves the data for each notebook page // wxMediaPlayerListCtrl* playlist = ((wxMediaPlayerNotebookPage*)m_notebook->GetPage(0))->m_playlist; wxConfig conf; conf.DeleteAll(); for(int i = 0; i < playlist->GetItemCount(); ++i) { wxString* pData = (wxString*) playlist->GetItemData(i); wxString s; s << i; conf.Write(s, *(pData)); delete pData; } } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnClose // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnClose(wxCloseEvent& event) { event.Skip(); // really close the frame } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::AddToPlayList // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::AddToPlayList(const wxString& szString) { wxMediaPlayerNotebookPage* currentpage = ((wxMediaPlayerNotebookPage*)m_notebook->GetCurrentPage()); currentpage->m_playlist->AddToPlayList(szString); } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnQuit // // Called from file->quit. // Closes this application. // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) { // true is to force the frame to close Close(true); } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnAbout // // Called from help->about. // Gets some info about this application. // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) { wxString msg; msg.Printf( "This is a test of wxMediaCtrl.\n\n" "Instructions:\n" "The top slider shows the current the current position, " "which you can change by dragging and releasing it.\n" "The gauge (progress bar) shows the progress in " "downloading data of the current file - it may always be " "empty due to lack of support from the current backend.\n" "The lower-left slider controls the volume and the lower-" "right slider controls the playback rate/speed of the " "media\n\n" "Currently using: %s", wxVERSION_STRING); wxMessageBox(msg, "About wxMediaCtrl test", wxOK | wxICON_INFORMATION, this); } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnLoop // // Called from file->loop. // Changes the state of whether we want to loop or not. // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnLoop(wxCommandEvent& WXUNUSED(event)) { wxMediaPlayerNotebookPage* currentpage = ((wxMediaPlayerNotebookPage*)m_notebook->GetCurrentPage()); currentpage->m_bLoop = !currentpage->m_bLoop; } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnLoop // // Called from file->loop. // Changes the state of whether we want to loop or not. // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnShowInterface(wxCommandEvent& event) { wxMediaPlayerNotebookPage* currentpage = ((wxMediaPlayerNotebookPage*)m_notebook->GetCurrentPage()); if( !currentpage->m_mediactrl->ShowPlayerControls(event.IsChecked() ? wxMEDIACTRLPLAYERCONTROLS_DEFAULT : wxMEDIACTRLPLAYERCONTROLS_NONE) ) { // error - uncheck and warn user wxMenuItem* pSIItem = GetMenuBar()->FindItem(wxID_SHOWINTERFACE); wxASSERT(pSIItem); pSIItem->Check(!event.IsChecked()); if(event.IsChecked()) wxMessageBox("Could not show player controls"); else wxMessageBox("Could not hide player controls"); } } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnOpenFileSamePage // // Called from file->openfile. // Opens and plays a media file in the current notebook page // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnOpenFileSamePage(wxCommandEvent& WXUNUSED(event)) { OpenFile(false); } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnOpenFileNewPage // // Called from file->openfileinnewpage. // Opens and plays a media file in a new notebook page // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnOpenFileNewPage(wxCommandEvent& WXUNUSED(event)) { OpenFile(true); } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OpenFile // // Opens a file dialog asking the user for a filename, then // calls DoOpenFile which will add the file to the playlist and play it // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OpenFile(bool bNewPage) { wxFileDialog fd(this); if(fd.ShowModal() == wxID_OK) { DoOpenFile(fd.GetPath(), bNewPage); } } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::DoOpenFile // // Adds the file to our playlist, selects it in the playlist, // and then calls DoPlayFile to play it // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::DoOpenFile(const wxString& path, bool bNewPage) { if(bNewPage) { m_notebook->AddPage( new wxMediaPlayerNotebookPage(this, m_notebook), path, true); } wxMediaPlayerNotebookPage* currentpage = (wxMediaPlayerNotebookPage*) m_notebook->GetCurrentPage(); if(currentpage->m_nLastFileId != -1) currentpage->m_playlist->SetItemState(currentpage->m_nLastFileId, 0, wxLIST_STATE_SELECTED); wxListItem newlistitem; newlistitem.SetAlign(wxLIST_FORMAT_LEFT); int nID; newlistitem.SetId(nID = currentpage->m_playlist->GetItemCount()); newlistitem.SetMask(wxLIST_MASK_DATA | wxLIST_MASK_STATE); newlistitem.SetState(wxLIST_STATE_SELECTED); newlistitem.SetData(new wxString(path)); currentpage->m_playlist->InsertItem(newlistitem); currentpage->m_playlist->SetItem(nID, 0, "*"); currentpage->m_playlist->SetItem(nID, 1, wxFileName(path).GetName()); if (nID % 2) { newlistitem.SetBackgroundColour(wxColour(192,192,192)); currentpage->m_playlist->SetItem(newlistitem); } DoPlayFile(path); } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::DoPlayFile // // Pauses the file if it's the currently playing file, // otherwise it plays the file // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::DoPlayFile(const wxString& path) { wxMediaPlayerNotebookPage* currentpage = (wxMediaPlayerNotebookPage*) m_notebook->GetCurrentPage(); wxListItem listitem; currentpage->m_playlist->GetSelectedItem(listitem); if( ( listitem.GetData() && currentpage->m_nLastFileId == listitem.GetId() && currentpage->m_szFile.compare(path) == 0 ) || ( !listitem.GetData() && currentpage->m_nLastFileId != -1 && currentpage->m_szFile.compare(path) == 0) ) { if(currentpage->m_mediactrl->GetState() == wxMEDIASTATE_PLAYING) { if( !currentpage->m_mediactrl->Pause() ) wxMessageBox("Couldn't pause movie!"); } else { if( !currentpage->m_mediactrl->Play() ) wxMessageBox("Couldn't play movie!"); } } else { int nNewId = listitem.GetData() ? listitem.GetId() : currentpage->m_playlist->GetItemCount()-1; m_notebook->SetPageText(m_notebook->GetSelection(), wxFileName(path).GetName()); if(currentpage->m_nLastFileId != -1) currentpage->m_playlist->SetItem( currentpage->m_nLastFileId, 0, "*"); wxURI uripath(path); if( uripath.IsReference() ) { if( !currentpage->m_mediactrl->Load(path) ) { wxMessageBox("Couldn't load file!"); currentpage->m_playlist->SetItem(nNewId, 0, "E"); } else { currentpage->m_playlist->SetItem(nNewId, 0, "O"); } } else { if( !currentpage->m_mediactrl->Load(uripath) ) { wxMessageBox("Couldn't load URL!"); currentpage->m_playlist->SetItem(nNewId, 0, "E"); } else { currentpage->m_playlist->SetItem(nNewId, 0, "O"); } } currentpage->m_nLastFileId = nNewId; currentpage->m_szFile = path; currentpage->m_playlist->SetItem(currentpage->m_nLastFileId, 1, wxFileName(path).GetName()); currentpage->m_playlist->SetItem(currentpage->m_nLastFileId, 2, ""); } } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnMediaLoaded // // Called when the media is ready to be played - and does // so, also gets the length of media and shows that in the list control // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnMediaLoaded(wxMediaEvent& WXUNUSED(evt)) { wxMediaPlayerNotebookPage* currentpage = (wxMediaPlayerNotebookPage*) m_notebook->GetCurrentPage(); if( !currentpage->m_mediactrl->Play() ) { wxMessageBox("Couldn't play movie!"); currentpage->m_playlist->SetItem(currentpage->m_nLastFileId, 0, "E"); } else { currentpage->m_playlist->SetItem(currentpage->m_nLastFileId, 0, ">"); } } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnSelectBackend // // Little debugging routine - enter the class name of a backend and it // will use that instead of letting wxMediaCtrl search the wxMediaBackend // RTTI class list. // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnSelectBackend(wxCommandEvent& WXUNUSED(evt)) { wxString sBackend = wxGetTextFromUser("Enter backend to use"); if(sBackend.empty() == false) // could have been cancelled by the user { int sel = m_notebook->GetSelection(); if (sel != wxNOT_FOUND) { m_notebook->DeletePage(sel); } m_notebook->AddPage(new wxMediaPlayerNotebookPage(this, m_notebook, sBackend ), "", true); DoOpenFile( ((wxMediaPlayerNotebookPage*) m_notebook->GetCurrentPage())->m_szFile, false); } } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnOpenURLSamePage // // Called from file->openurl. // Opens and plays a media file from a URL in the current notebook page // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnOpenURLSamePage(wxCommandEvent& WXUNUSED(event)) { OpenURL(false); } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnOpenURLNewPage // // Called from file->openurlinnewpage. // Opens and plays a media file from a URL in a new notebook page // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnOpenURLNewPage(wxCommandEvent& WXUNUSED(event)) { OpenURL(true); } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OpenURL // // Just calls DoOpenFile with the url path - which calls DoPlayFile // which handles the real dirty work // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OpenURL(bool bNewPage) { wxString sUrl = wxGetTextFromUser( "Enter the URL that has the movie to play" ); if(sUrl.empty() == false) // could have been cancelled by user { DoOpenFile(sUrl, bNewPage); } } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnCloseCurrentPage // // Called when the user wants to close the current notebook page // // 1) Get the current page number (wxControl::GetSelection) // 2) If there is no current page, break out // 3) Delete the current page // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnCloseCurrentPage(wxCommandEvent& WXUNUSED(event)) { if( m_notebook->GetPageCount() > 1 ) { int sel = m_notebook->GetSelection(); if (sel != wxNOT_FOUND) { m_notebook->DeletePage(sel); } } else { wxMessageBox("Cannot close main page"); } } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnPlay // // Called from file->play. // Resumes the media if it is paused or stopped. // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnPlay(wxCommandEvent& WXUNUSED(event)) { wxMediaPlayerNotebookPage* currentpage = (wxMediaPlayerNotebookPage*) m_notebook->GetCurrentPage(); wxListItem listitem; currentpage->m_playlist->GetSelectedItem(listitem); if ( !listitem.GetData() ) { int nLast = -1; if ((nLast = currentpage->m_playlist->GetNextItem(nLast, wxLIST_NEXT_ALL, wxLIST_STATE_DONTCARE)) == -1) { // no items in list wxMessageBox("No items in playlist!"); } else { listitem.SetId(nLast); currentpage->m_playlist->GetItem(listitem); listitem.SetMask(listitem.GetMask() | wxLIST_MASK_STATE); listitem.SetState(listitem.GetState() | wxLIST_STATE_SELECTED); currentpage->m_playlist->SetItem(listitem); wxASSERT(listitem.GetData()); DoPlayFile((*((wxString*) listitem.GetData()))); } } else { wxASSERT(listitem.GetData()); DoPlayFile((*((wxString*) listitem.GetData()))); } } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnKeyDown // // Deletes all selected files from the playlist if the backspace key is pressed // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnKeyDown(wxKeyEvent& event) { if(event.GetKeyCode() == WXK_BACK/*DELETE*/) { wxMediaPlayerNotebookPage* currentpage = (wxMediaPlayerNotebookPage*) m_notebook->GetCurrentPage(); // delete all selected items while(true) { wxInt32 nSelectedItem = currentpage->m_playlist->GetNextItem( -1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED); if (nSelectedItem == -1) break; wxListItem listitem; listitem.SetId(nSelectedItem); currentpage->m_playlist->GetItem(listitem); delete (wxString*) listitem.GetData(); currentpage->m_playlist->DeleteItem(nSelectedItem); } } // Could be wxGetTextFromUser or something else important if(event.GetEventObject() != this) event.Skip(); } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnStop // // Called from file->stop. // Where it stops depends on whether you can seek in the // media control or not - if you can it stops and seeks to the beginning, // otherwise it will appear to be at the end - but it will start over again // when Play() is called // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnStop(wxCommandEvent& WXUNUSED(evt)) { wxMediaPlayerNotebookPage* currentpage = (wxMediaPlayerNotebookPage*) m_notebook->GetCurrentPage(); if( !currentpage->m_mediactrl->Stop() ) wxMessageBox("Couldn't stop movie!"); else currentpage->m_playlist->SetItem( currentpage->m_nLastFileId, 0, "[]"); } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnChangeSong // // Routine that plays the currently selected file in the playlist. // Called when the user actives the song from the playlist, // and from other various places in the sample // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnChangeSong(wxListEvent& WXUNUSED(evt)) { wxMediaPlayerNotebookPage* currentpage = (wxMediaPlayerNotebookPage*) m_notebook->GetCurrentPage(); wxListItem listitem; currentpage->m_playlist->GetSelectedItem(listitem); if(listitem.GetData()) DoPlayFile((*((wxString*) listitem.GetData()))); else wxMessageBox("No selected item!"); } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnPrev // // Tedious wxListCtrl stuff. Goes to prevous song in list, or if at the // beginning goes to the last in the list. // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnPrev(wxCommandEvent& WXUNUSED(event)) { wxMediaPlayerNotebookPage* currentpage = (wxMediaPlayerNotebookPage*) m_notebook->GetCurrentPage(); if (currentpage->m_playlist->GetItemCount() == 0) return; wxInt32 nLastSelectedItem = -1; while(true) { wxInt32 nSelectedItem = currentpage->m_playlist->GetNextItem(nLastSelectedItem, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED); if (nSelectedItem == -1) break; nLastSelectedItem = nSelectedItem; currentpage->m_playlist->SetItemState(nSelectedItem, 0, wxLIST_STATE_SELECTED); } if (nLastSelectedItem == -1) { // nothing selected, default to the file before the currently playing one if(currentpage->m_nLastFileId == 0) nLastSelectedItem = currentpage->m_playlist->GetItemCount() - 1; else nLastSelectedItem = currentpage->m_nLastFileId - 1; } else if (nLastSelectedItem == 0) nLastSelectedItem = currentpage->m_playlist->GetItemCount() - 1; else nLastSelectedItem -= 1; if(nLastSelectedItem == currentpage->m_nLastFileId) return; // already playing... nothing to do wxListItem listitem; listitem.SetId(nLastSelectedItem); listitem.SetMask(wxLIST_MASK_TEXT | wxLIST_MASK_DATA); currentpage->m_playlist->GetItem(listitem); listitem.SetMask(listitem.GetMask() | wxLIST_MASK_STATE); listitem.SetState(listitem.GetState() | wxLIST_STATE_SELECTED); currentpage->m_playlist->SetItem(listitem); wxASSERT(listitem.GetData()); DoPlayFile((*((wxString*) listitem.GetData()))); } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnNext // // Tedious wxListCtrl stuff. Goes to next song in list, or if at the // end goes to the first in the list. // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnNext(wxCommandEvent& WXUNUSED(event)) { wxMediaPlayerNotebookPage* currentpage = (wxMediaPlayerNotebookPage*) m_notebook->GetCurrentPage(); if (currentpage->m_playlist->GetItemCount() == 0) return; wxInt32 nLastSelectedItem = -1; while(true) { wxInt32 nSelectedItem = currentpage->m_playlist->GetNextItem(nLastSelectedItem, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED); if (nSelectedItem == -1) break; nLastSelectedItem = nSelectedItem; currentpage->m_playlist->SetItemState(nSelectedItem, 0, wxLIST_STATE_SELECTED); } if (nLastSelectedItem == -1) { if(currentpage->m_nLastFileId == currentpage->m_playlist->GetItemCount() - 1) nLastSelectedItem = 0; else nLastSelectedItem = currentpage->m_nLastFileId + 1; } else if (nLastSelectedItem == currentpage->m_playlist->GetItemCount() - 1) nLastSelectedItem = 0; else nLastSelectedItem += 1; if(nLastSelectedItem == currentpage->m_nLastFileId) return; // already playing... nothing to do wxListItem listitem; listitem.SetMask(wxLIST_MASK_TEXT | wxLIST_MASK_DATA); listitem.SetId(nLastSelectedItem); currentpage->m_playlist->GetItem(listitem); listitem.SetMask(listitem.GetMask() | wxLIST_MASK_STATE); listitem.SetState(listitem.GetState() | wxLIST_STATE_SELECTED); currentpage->m_playlist->SetItem(listitem); wxASSERT(listitem.GetData()); DoPlayFile((*((wxString*) listitem.GetData()))); } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnVolumeDown // // Lowers the volume of the media control by 5% // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnVolumeDown(wxCommandEvent& WXUNUSED(event)) { wxMediaPlayerNotebookPage* currentpage = (wxMediaPlayerNotebookPage*) m_notebook->GetCurrentPage(); double dVolume = currentpage->m_mediactrl->GetVolume(); currentpage->m_mediactrl->SetVolume(dVolume < 0.05 ? 0.0 : dVolume - .05); } // ---------------------------------------------------------------------------- // wxMediaPlayerFrame::OnVolumeUp // // Increases the volume of the media control by 5% // ---------------------------------------------------------------------------- void wxMediaPlayerFrame::OnVolumeUp(wxCommandEvent& WXUNUSED(event)) { wxMediaPlayerNotebookPage* currentpage = (wxMediaPlayerNotebookPage*) m_notebook->GetCurrentPage(); double dVolume = currentpage->m_mediactrl->GetVolume(); currentpage->m_mediactrl->SetVolume(dVolume > 0.95 ? 1.0 : dVolume + .05); } // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ // // wxMediaPlayerTimer // // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ // ---------------------------------------------------------------------------- // wxMediaPlayerTimer::Notify // // 1) Updates media information on the status bar // 2) Sets the max/min length of the slider and guage // // Note that the reason we continually do this and don't cache it is because // some backends such as GStreamer are dynamic change values all the time // and often don't have things like duration or video size available // until the media is actually being played // ---------------------------------------------------------------------------- void wxMediaPlayerTimer::Notify() { wxMediaPlayerNotebookPage* currentpage = (wxMediaPlayerNotebookPage*) m_frame->m_notebook->GetCurrentPage(); wxMediaCtrl* currentMediaCtrl = currentpage->m_mediactrl; // Number of minutes/seconds total wxLongLong llLength = currentpage->m_mediactrl->Length(); int nMinutes = (int) (llLength / 60000).GetValue(); int nSeconds = (int) ((llLength % 60000)/1000).GetValue(); // Duration string (i.e. MM:SS) wxString sDuration; sDuration.Printf("%2i:%02i", nMinutes, nSeconds); // Number of minutes/seconds total wxLongLong llTell = currentpage->m_mediactrl->Tell(); nMinutes = (int) (llTell / 60000).GetValue(); nSeconds = (int) ((llTell % 60000)/1000).GetValue(); // Position string (i.e. MM:SS) wxString sPosition; sPosition.Printf("%2i:%02i", nMinutes, nSeconds); // Set the third item in the listctrl entry to the duration string if(currentpage->m_nLastFileId >= 0) currentpage->m_playlist->SetItem( currentpage->m_nLastFileId, 2, sDuration); // Setup the slider and gauge min/max values currentpage->m_slider->SetRange(0, (int)(llLength / 1000).GetValue()); currentpage->m_gauge->SetRange(100); // if the slider is not being dragged then update it with the song position if(currentpage->IsBeingDragged() == false) currentpage->m_slider->SetValue((long)(llTell / 1000).GetValue()); // Update the gauge with the download progress wxLongLong llDownloadProgress = currentpage->m_mediactrl->GetDownloadProgress(); wxLongLong llDownloadTotal = currentpage->m_mediactrl->GetDownloadTotal(); if(llDownloadTotal.GetValue() != 0) { currentpage->m_gauge->SetValue( (int) ((llDownloadProgress * 100) / llDownloadTotal).GetValue() ); } // GetBestSize holds the original video size wxSize videoSize = currentMediaCtrl->GetBestSize(); // Now the big part - set the status bar text to // hold various metadata about the media #if wxUSE_STATUSBAR m_frame->SetStatusText(wxString::Format( "Size(x,y):%i,%i " "Position:%s/%s Speed:%1.1fx " "State:%s Loops:%i D/T:[%i]/[%i] V:%i%%", videoSize.x, videoSize.y, sPosition, sDuration, currentMediaCtrl->GetPlaybackRate(), wxGetMediaStateText(currentpage->m_mediactrl->GetState()), currentpage->m_nLoops, (int)llDownloadProgress.GetValue(), (int)llDownloadTotal.GetValue(), (int)(currentpage->m_mediactrl->GetVolume() * 100))); #endif // wxUSE_STATUSBAR } // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ // // wxMediaPlayerNotebookPage // // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ // ---------------------------------------------------------------------------- // wxMediaPlayerNotebookPage Constructor // // Creates a media control and slider and adds it to this panel, // along with some sizers for positioning // ---------------------------------------------------------------------------- wxMediaPlayerNotebookPage::wxMediaPlayerNotebookPage(wxMediaPlayerFrame* parentFrame, wxNotebook* theBook, const wxString& szBackend) : wxPanel(theBook, wxID_ANY), m_nLastFileId(-1), m_nLoops(0), m_bLoop(false), m_bIsBeingDragged(false), m_parentFrame(parentFrame) { // // Layout // // [wxMediaCtrl] // [playlist] // [5 control buttons] // [slider] // [gauge] // // // Create and attach a 2-column grid sizer // wxFlexGridSizer* sizer = new wxFlexGridSizer(2); sizer->AddGrowableCol(0); this->SetSizer(sizer); // // Create our media control // m_mediactrl = new wxMediaCtrl(); // Make sure creation was successful bool bOK = m_mediactrl->Create(this, wxID_MEDIACTRL, wxEmptyString, wxDefaultPosition, wxDefaultSize, wxMC_NO_AUTORESIZE, // you could specify a macro backend here like // wxMEDIABACKEND_WMP10); // "wxPDFMediaBackend"); szBackend); // you could change the cursor here like // m_mediactrl->SetCursor(wxCURSOR_BLANK); // note that this may not affect it if SetPlayerControls // is set to something else than wxMEDIACTRLPLAYERCONTROLS_NONE wxASSERT_MSG(bOK, "Could not create media control!"); wxUnusedVar(bOK); sizer->Add(m_mediactrl, wxSizerFlags().Expand().Border()); // // Create the playlist/listctrl // m_playlist = new wxMediaPlayerListCtrl(); m_playlist->Create(this, wxID_LISTCTRL, wxDefaultPosition, wxDefaultSize, wxLC_REPORT // wxLC_LIST | wxSUNKEN_BORDER); // Set the background of our listctrl to white m_playlist->SetBackgroundColour(*wxWHITE); // The layout of the headers of the listctrl are like // | | File | Length // // Where Column one is a character representing the state the file is in: // * - not the current file // E - Error has occured // > - Currently Playing // [] - Stopped // || - Paused // (( - Volume Down 5% // )) - Volume Up 5% // // Column two is the name of the file // // Column three is the length in seconds of the file m_playlist->AppendColumn(_(""), wxLIST_FORMAT_CENTER, 20); m_playlist->AppendColumn(_("File"), wxLIST_FORMAT_LEFT, /*wxLIST_AUTOSIZE_USEHEADER*/305); m_playlist->AppendColumn(_("Length"), wxLIST_FORMAT_CENTER, 75); #if wxUSE_DRAG_AND_DROP m_playlist->SetDropTarget(new wxPlayListDropTarget(*m_playlist)); #endif sizer->Add(m_playlist, 0, wxALIGN_CENTER_HORIZONTAL|wxALL|wxEXPAND, 5); // // Create the control buttons // TODO/FIXME/HACK: This part about sizers is really a nice hack // and probably isn't proper // wxBoxSizer* horsizer1 = new wxBoxSizer(wxHORIZONTAL); wxBoxSizer* vertsizer = new wxBoxSizer(wxHORIZONTAL); m_prevButton = new wxButton(); m_playButton = new wxButton(); m_stopButton = new wxButton(); m_nextButton = new wxButton(); m_vdButton = new wxButton(); m_vuButton = new wxButton(); m_prevButton->Create(this, wxID_BUTTONPREV, "|<"); m_prevButton->SetToolTip("Previous"); m_playButton->Create(this, wxID_BUTTONPLAY, ">"); m_playButton->SetToolTip("Play"); m_stopButton->Create(this, wxID_BUTTONSTOP, "[]"); m_stopButton->SetToolTip("Stop"); m_nextButton->Create(this, wxID_BUTTONNEXT, ">|"); m_nextButton->SetToolTip("Next"); m_vdButton->Create(this, wxID_BUTTONVD, "(("); m_vdButton->SetToolTip("Volume down"); m_vuButton->Create(this, wxID_BUTTONVU, "))"); m_vuButton->SetToolTip("Volume up"); vertsizer->Add(m_prevButton, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5); vertsizer->Add(m_playButton, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5); vertsizer->Add(m_stopButton, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5); vertsizer->Add(m_nextButton, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5); vertsizer->Add(m_vdButton, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5); vertsizer->Add(m_vuButton, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5); horsizer1->Add(vertsizer, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5); sizer->Add(horsizer1, 0, wxALIGN_CENTER_VERTICAL|wxALIGN_CENTER_HORIZONTAL|wxALL, 5); // // Create our slider // m_slider = new wxSlider(this, wxID_SLIDER, 0, // init 0, // start 1, // end, dummy but must be greater than start wxDefaultPosition, wxDefaultSize, wxSL_HORIZONTAL ); sizer->Add(m_slider, 0, wxALIGN_CENTER_HORIZONTAL|wxALL|wxEXPAND , 5); // // Create the gauge // m_gauge = new wxGauge(); m_gauge->Create(this, wxID_GAUGE, 0, wxDefaultPosition, wxDefaultSize, wxGA_HORIZONTAL | wxGA_SMOOTH); sizer->Add(m_gauge, 0, wxALIGN_CENTER_HORIZONTAL|wxALL|wxEXPAND , 5); // // Create the speed/volume sliders // wxBoxSizer* horsizer3 = new wxBoxSizer(wxHORIZONTAL); m_volSlider = new wxSlider(this, wxID_VOLSLIDER, 100, // init 0, // start 100, // end wxDefaultPosition, wxDefaultSize, wxSL_HORIZONTAL ); horsizer3->Add(m_volSlider, 1, wxALL, 5); m_pbSlider = new wxSlider(this, wxID_PBSLIDER, 4, // init 1, // start 16, // end wxDefaultPosition, wxDefaultSize, wxSL_HORIZONTAL ); horsizer3->Add(m_pbSlider, 1, wxALL, 5); sizer->Add(horsizer3, 1, wxCENTRE | wxALL, 5); // Now that we have all our rows make some of them growable sizer->AddGrowableRow(0); // // ListCtrl events // Bind(wxEVT_LIST_ITEM_ACTIVATED, &wxMediaPlayerFrame::OnChangeSong, parentFrame, wxID_LISTCTRL); // // Slider events // Bind(wxEVT_SCROLL_THUMBTRACK, &wxMediaPlayerNotebookPage::OnBeginSeek, this, wxID_SLIDER); Bind(wxEVT_SCROLL_THUMBRELEASE, &wxMediaPlayerNotebookPage::OnEndSeek, this, wxID_SLIDER); Bind(wxEVT_SCROLL_THUMBRELEASE, &wxMediaPlayerNotebookPage::OnPBChange, this, wxID_PBSLIDER); Bind(wxEVT_SCROLL_THUMBRELEASE, &wxMediaPlayerNotebookPage::OnVolChange, this, wxID_VOLSLIDER); // // Media Control events // Bind(wxEVT_MEDIA_PLAY, &wxMediaPlayerNotebookPage::OnMediaPlay, this, wxID_MEDIACTRL); Bind(wxEVT_MEDIA_PAUSE, &wxMediaPlayerNotebookPage::OnMediaPause, this, wxID_MEDIACTRL); Bind(wxEVT_MEDIA_STOP, &wxMediaPlayerNotebookPage::OnMediaStop, this, wxID_MEDIACTRL); Bind(wxEVT_MEDIA_FINISHED, &wxMediaPlayerNotebookPage::OnMediaFinished, this, wxID_MEDIACTRL); Bind(wxEVT_MEDIA_LOADED, &wxMediaPlayerFrame::OnMediaLoaded, parentFrame, wxID_MEDIACTRL); // // Button events // Bind(wxEVT_BUTTON, &wxMediaPlayerFrame::OnPrev, parentFrame, wxID_BUTTONPREV); Bind(wxEVT_BUTTON, &wxMediaPlayerFrame::OnPlay, parentFrame, wxID_BUTTONPLAY); Bind(wxEVT_BUTTON, &wxMediaPlayerFrame::OnStop, parentFrame, wxID_BUTTONSTOP); Bind(wxEVT_BUTTON, &wxMediaPlayerFrame::OnNext, parentFrame, wxID_BUTTONNEXT); Bind(wxEVT_BUTTON, &wxMediaPlayerFrame::OnVolumeDown, parentFrame, wxID_BUTTONVD); Bind(wxEVT_BUTTON, &wxMediaPlayerFrame::OnVolumeUp, parentFrame, wxID_BUTTONVU); } // ---------------------------------------------------------------------------- // MyNotebook::OnBeginSeek // // Sets m_bIsBeingDragged to true to stop the timer from changing the position // of our slider // ---------------------------------------------------------------------------- void wxMediaPlayerNotebookPage::OnBeginSeek(wxScrollEvent& WXUNUSED(event)) { m_bIsBeingDragged = true; } // ---------------------------------------------------------------------------- // MyNotebook::OnEndSeek // // Called from file->seek. // Called when the user moves the slider - // seeks to a position within the media // then sets m_bIsBeingDragged to false to ok the timer to change the position // ---------------------------------------------------------------------------- void wxMediaPlayerNotebookPage::OnEndSeek(wxScrollEvent& WXUNUSED(event)) { if( m_mediactrl->Seek( m_slider->GetValue() * 1000 ) == wxInvalidOffset ) wxMessageBox("Couldn't seek in movie!"); m_bIsBeingDragged = false; } // ---------------------------------------------------------------------------- // wxMediaPlayerNotebookPage::IsBeingDragged // // Returns true if the user is dragging the slider // ---------------------------------------------------------------------------- bool wxMediaPlayerNotebookPage::IsBeingDragged() { return m_bIsBeingDragged; } // ---------------------------------------------------------------------------- // wxMediaPlayerNotebookPage::OnVolChange // // Called when the user is done dragging the volume-changing slider // ---------------------------------------------------------------------------- void wxMediaPlayerNotebookPage::OnVolChange(wxScrollEvent& WXUNUSED(event)) { if( m_mediactrl->SetVolume( m_volSlider->GetValue() / 100.0 ) == false ) wxMessageBox("Couldn't set volume!"); } // ---------------------------------------------------------------------------- // wxMediaPlayerNotebookPage::OnPBChange // // Called when the user is done dragging the speed-changing slider // ---------------------------------------------------------------------------- void wxMediaPlayerNotebookPage::OnPBChange(wxScrollEvent& WXUNUSED(event)) { if( m_mediactrl->SetPlaybackRate( m_pbSlider->GetValue() * .25 ) == false ) wxMessageBox("Couldn't set playbackrate!"); } // ---------------------------------------------------------------------------- // wxMediaPlayerNotebookPage::OnMediaPlay // // Called when the media plays. // ---------------------------------------------------------------------------- void wxMediaPlayerNotebookPage::OnMediaPlay(wxMediaEvent& WXUNUSED(event)) { m_playlist->SetItem(m_nLastFileId, 0, ">"); } // ---------------------------------------------------------------------------- // wxMediaPlayerNotebookPage::OnMediaPause // // Called when the media is paused. // ---------------------------------------------------------------------------- void wxMediaPlayerNotebookPage::OnMediaPause(wxMediaEvent& WXUNUSED(event)) { m_playlist->SetItem(m_nLastFileId, 0, "||"); } // ---------------------------------------------------------------------------- // wxMediaPlayerNotebookPage::OnMediaStop // // Called when the media stops. // ---------------------------------------------------------------------------- void wxMediaPlayerNotebookPage::OnMediaStop(wxMediaEvent& WXUNUSED(event)) { m_playlist->SetItem(m_nLastFileId, 0, "[]"); } // ---------------------------------------------------------------------------- // wxMediaPlayerNotebookPage::OnMediaFinished // // Called when the media finishes playing. // Here we loop it if the user wants to (has been selected from file menu) // ---------------------------------------------------------------------------- void wxMediaPlayerNotebookPage::OnMediaFinished(wxMediaEvent& WXUNUSED(event)) { if(m_bLoop) { if ( !m_mediactrl->Play() ) { wxMessageBox("Couldn't loop movie!"); m_playlist->SetItem(m_nLastFileId, 0, "E"); } else ++m_nLoops; } else { m_playlist->SetItem(m_nLastFileId, 0, "[]"); } } // // End of MediaPlayer sample //