--- /dev/null
+/////////////////////////////////////////////////////////////////////////////
+// Name: mmboard.cpp
+// Purpose: Multimedia Library sample
+// Author: Guilhem Lavaux (created from minimal by J. Smart)
+// Modified by:
+// Created: 13/02/2000
+// RCS-ID: $Id$
+// Copyright: (c) Guilhem Lavaux
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+#ifdef __GNUG__
+ #pragma implementation "mmboard.cpp"
+#endif
+
+// For compilers that support precompilation, includes "wx/wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+// for all others, include the necessary headers (this file is usually all you
+// need because it includes almost all "standard" wxWindows headers
+#ifndef WX_PRECOMP
+ #include "wx/wx.h"
+#endif
+
+// ----------------------------------------------------------------------------
+// ressources
+// ----------------------------------------------------------------------------
+// the application icon
+#if defined(__WXGTK__) || defined(__WXMOTIF__)
+ #include "mondrian.xpm"
+#endif
+
+// include multimedia classes
+#include "wx/mmedia/sndbase.h"
+#ifdef __WIN32__
+ #include "wx/mmedia/sndwin.h"
+#endif
+#ifdef __UNIX__
+ #include "wx/mmedia/sndoss.h"
+ #include "wx/mmedia/sndesd.h"
+#endif
+
+#include "wx/statline.h"
+#include "wx/stattext.h"
+
+// include personnal classes
+#include "mmboard.h"
+#include "mmbman.h"
+
+#include "play.xpm"
+#include "stop.xpm"
+#include "eject.xpm"
+#include "pause.xpm"
+
+// ----------------------------------------------------------------------------
+// private classes
+// ----------------------------------------------------------------------------
+
+// Main Multimedia Board frame
+class MMBoardFrame : public wxFrame
+{
+public:
+ // ctor(s)
+ MMBoardFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
+ // dtor
+ ~MMBoardFrame();
+
+ // event handlers
+ void OnQuit(wxCommandEvent& event);
+ void OnAbout(wxCommandEvent& event);
+ void OnOpen(wxCommandEvent& event);
+ void OnPlay(wxCommandEvent& event);
+ void OnStop(wxCommandEvent& event);
+ void OnPause(wxCommandEvent& event);
+ void OnEject(wxCommandEvent& event);
+ void OnRefreshInfo(wxEvent& event);
+ void OnSetPosition(wxCommandEvent& event);
+
+ void OpenVideoWindow();
+ void CloseVideoWindow();
+
+private:
+ // any class wishing to process wxWindows events must use this macro
+ DECLARE_EVENT_TABLE()
+
+private:
+ void UpdateMMedInfo();
+ void UpdateInfoText();
+
+ MMBoardFile *m_opened_file;
+
+ wxSlider *m_positionSlider;
+ wxBitmapButton *m_playButton, *m_pauseButton, *m_stopButton, *m_ejectButton;
+ wxStaticText *m_fileType, *m_infoText;
+ wxWindow *m_video_window;
+
+ wxPanel *m_panel;
+ wxSizer *m_sizer;
+
+ wxTimer *m_refreshTimer;
+};
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// IDs for the controls and the menu commands
+enum
+{
+ // menu items
+ MMBoard_Quit = 1,
+ MMBoard_Open,
+ MMBoard_About,
+ MMBoard_PositionSlider,
+ MMBoard_PlayButton,
+ MMBoard_PauseButton,
+ MMBoard_ResumeButton,
+ MMBoard_StopButton,
+ MMBoard_EjectButton,
+ MMBoard_RefreshInfo
+};
+
+// ----------------------------------------------------------------------------
+// event tables and other macros for wxWindows
+// ----------------------------------------------------------------------------
+
+BEGIN_EVENT_TABLE(MMBoardFrame, wxFrame)
+ EVT_MENU(MMBoard_Quit, MMBoardFrame::OnQuit)
+ EVT_MENU(MMBoard_About, MMBoardFrame::OnAbout)
+ EVT_MENU(MMBoard_Open, MMBoardFrame::OnOpen)
+ EVT_BUTTON(MMBoard_PlayButton, MMBoardFrame::OnPlay)
+ EVT_BUTTON(MMBoard_StopButton, MMBoardFrame::OnStop)
+ EVT_BUTTON(MMBoard_PauseButton, MMBoardFrame::OnPause)
+ EVT_BUTTON(MMBoard_EjectButton, MMBoardFrame::OnEject)
+ EVT_SLIDER(MMBoard_PositionSlider, MMBoardFrame::OnSetPosition)
+ EVT_CUSTOM(wxEVT_TIMER, MMBoard_RefreshInfo, MMBoardFrame::OnRefreshInfo)
+END_EVENT_TABLE()
+
+// ---------------------------------------------------------------------------
+// Main board application launcher
+// ---------------------------------------------------------------------------
+
+IMPLEMENT_APP(MMBoardApp)
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// the application class
+// ----------------------------------------------------------------------------
+
+bool MMBoardApp::OnInit()
+{
+ // create the main application window
+ MMBoardFrame *frame = new MMBoardFrame("Multimedia Board",
+ wxPoint(50, 50), wxSize(450, 340));
+
+ // and show it (the frames, unlike simple controls, are not shown when
+ // created initially)
+ frame->Show(TRUE);
+
+ m_caps = TestMultimediaCaps();
+
+ if (!m_caps) {
+ wxMessageBox("Your system has no multimedia capabilities. We are exiting now.", "Major error !", wxOK | wxICON_ERROR, NULL);
+ return FALSE;
+ }
+
+ wxString msg;
+ msg.Printf("Detected : %s%s%s", (m_caps & MM_SOUND_OSS) ? "OSS " : "",
+ (m_caps & MM_SOUND_ESD) ? "ESD " : "",
+ (m_caps & MM_SOUND_WIN) ? "WIN" : "");
+
+ wxMessageBox(msg, "Good !", wxOK | wxICON_INFORMATION, NULL);
+
+ // success: wxApp::OnRun() will be called which will enter the main message
+ // loop and the application will run. If we returned FALSE here, the
+ // application would exit immediately.
+ return TRUE;
+}
+
+wxUint8 MMBoardApp::TestMultimediaCaps()
+{
+ wxSoundStream *dev;
+ wxUint8 caps;
+
+ caps = 0;
+
+#ifdef __UNIX__
+ // We now test the ESD support
+
+ dev = new wxSoundStreamESD();
+ if (dev->GetError() == wxSOUND_NOERROR)
+ caps |= MM_SOUND_ESD;
+ delete dev;
+
+ // We test the OSS (Open Sound System) support.
+ // WARNING: There is a conflict between ESD and ALSA
+
+ dev = new wxSoundStreamOSS();
+ if (dev->GetError() == wxSOUND_NOERROR)
+ caps |= MM_SOUND_OSS;
+ delete dev;
+#endif
+
+#ifdef __WIN32__
+ // We test the Windows sound support.
+
+ dev = new wxSoundStreamWin();
+ if (dev->GetError() == wxSOUND_NOERR)
+ caps |= MM_SOUND_WIN;
+ delete dev;
+#endif
+
+ return caps;
+}
+
+// ----------------------------------------------------------------------------
+// main frame
+// ----------------------------------------------------------------------------
+
+// frame constructor
+MMBoardFrame::MMBoardFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
+ : wxFrame((wxFrame *)NULL, -1, title, pos, size)
+{
+#ifdef __WXMAC__
+ // we need this in order to allow the about menu relocation, since ABOUT is
+ // not the default id of the about menu
+ wxApp::s_macAboutMenuItemId = MMBoard_About;
+#endif
+
+ // set the frame icon
+ SetIcon(wxICON(mondrian));
+
+ // create a menu bar
+ wxMenu *menuFile = new wxMenu(wxT(""), wxMENU_TEAROFF);
+
+ // the "About" item should be in the help menu
+ wxMenu *helpMenu = new wxMenu;
+ helpMenu->Append(MMBoard_About, wxT("&About...\tCtrl-A"), wxT("Show about dialog"));
+
+ menuFile->Append(MMBoard_Open, wxT("&Open\tAlt-O"), wxT("Open file"));
+ menuFile->AppendSeparator();
+ menuFile->Append(MMBoard_Quit, wxT("E&xit\tAlt-X"), wxT("Quit this program"));
+
+ // now append the freshly created menu to the menu bar...
+ wxMenuBar *menuBar = new wxMenuBar();
+ menuBar->Append(menuFile, wxT("&File"));
+ menuBar->Append(helpMenu, wxT("&Help"));
+
+ // ... and attach this menu bar to the frame
+ SetMenuBar(menuBar);
+
+#if wxUSE_STATUSBAR
+ // create a status bar just for fun (by default with 1 pane only)
+ CreateStatusBar(3);
+ SetStatusText(wxT("Welcome to wxWindows!"));
+#endif // wxUSE_STATUSBAR
+
+ // Misc variables
+ m_opened_file = NULL;
+
+ m_panel = new wxPanel(this, -1);
+
+ // Initialize main slider
+ m_positionSlider = new wxSlider( m_panel, MMBoard_PositionSlider, 0, 0, 60,
+ wxDefaultPosition, wxSize(300, -1),
+ wxSL_HORIZONTAL | wxSL_AUTOTICKS);
+ m_positionSlider->SetPageSize(60); // 60 secs
+ m_positionSlider->Enable(FALSE);
+
+ // Initialize info panel
+ wxPanel *infoPanel = new wxPanel( m_panel, -1);
+ infoPanel->SetBackgroundColour(*wxBLACK);
+ infoPanel->SetForegroundColour(*wxWHITE);
+
+ wxBoxSizer *infoSizer = new wxBoxSizer(wxVERTICAL);
+
+ m_fileType = new wxStaticText(infoPanel, -1, wxT(""));
+ wxStaticLine *line = new wxStaticLine(infoPanel, -1);
+ m_infoText = new wxStaticText(infoPanel, -1, "");
+
+ UpdateInfoText();
+
+ infoSizer->Add(m_fileType, 0, wxGROW | wxALL, 1);
+ infoSizer->Add(line, 0, wxGROW | wxCENTRE, 20);
+ infoSizer->Add(m_infoText, 0, wxGROW | wxALL, 1);
+
+ infoPanel->SetSizer(infoSizer);
+ infoPanel->SetAutoLayout(TRUE);
+
+ // Bitmap button panel
+ wxBoxSizer *buttonSizer = new wxBoxSizer(wxHORIZONTAL);
+
+ wxBitmap *play_bmp = new wxBitmap(play_back_xpm);
+ wxBitmap *stop_bmp = new wxBitmap(stop_back_xpm);
+ wxBitmap *eject_bmp = new wxBitmap(eject_xpm);
+ wxBitmap *pause_bmp = new wxBitmap(pause_xpm);
+
+ m_playButton = new wxBitmapButton(m_panel, MMBoard_PlayButton, *play_bmp);
+ m_playButton->Enable(FALSE);
+ m_pauseButton = new wxBitmapButton(m_panel, MMBoard_PauseButton, *pause_bmp);
+ m_pauseButton->Enable(FALSE);
+ m_stopButton = new wxBitmapButton(m_panel, MMBoard_StopButton, *stop_bmp);
+ m_stopButton->Enable(FALSE);
+ m_ejectButton = new wxBitmapButton(m_panel, MMBoard_EjectButton, *eject_bmp);
+ m_ejectButton->Enable(FALSE);
+
+ buttonSizer->Add(m_playButton, 0, wxALL, 2);
+ buttonSizer->Add(m_pauseButton, 0, wxALL, 2);
+ buttonSizer->Add(m_stopButton, 0, wxALL, 2);
+ buttonSizer->Add(m_ejectButton, 0, wxALL, 2);
+
+ // Top sizer
+ m_sizer = new wxBoxSizer(wxVERTICAL);
+ m_sizer->Add(new wxStaticLine(m_panel, -1), 0, wxGROW | wxCENTRE, 0);
+ m_sizer->Add(m_positionSlider, 0, wxCENTRE | wxGROW | wxALL, 2);
+ m_sizer->Add(new wxStaticLine(m_panel, -1), 0, wxGROW | wxCENTRE, 0);
+ m_sizer->Add(buttonSizer, 0, wxALL, 0);
+ m_sizer->Add(new wxStaticLine(m_panel, -1), 0, wxGROW | wxCENTRE, 0);
+ m_sizer->Add(infoPanel, 1, wxCENTRE | wxGROW, 0);
+
+ m_panel->SetSizer(m_sizer);
+ m_panel->SetAutoLayout(TRUE);
+ m_sizer->Fit(this);
+ m_sizer->SetSizeHints(this);
+
+ // Timer
+ m_refreshTimer = new wxTimer(this, MMBoard_RefreshInfo);
+
+ // Video window
+ m_video_window = NULL;
+
+ // Multimedia file
+ m_opened_file = NULL;
+}
+
+MMBoardFrame::~MMBoardFrame()
+{
+ if (m_opened_file)
+ delete m_opened_file;
+
+ delete m_refreshTimer;
+}
+
+void MMBoardFrame::OpenVideoWindow()
+{
+ if (m_video_window)
+ return;
+
+ m_video_window = new wxWindow(m_panel, -1, wxDefaultPosition, wxSize(200, 200));
+ m_video_window->SetBackgroundColour(*wxBLACK);
+ m_sizer->Prepend(m_video_window, 2, wxGROW | wxSHRINK | wxCENTRE, 1);
+
+ m_sizer->Fit(this);
+}
+
+void MMBoardFrame::CloseVideoWindow()
+{
+ if (!m_video_window)
+ return;
+
+ m_sizer->Remove(m_video_window);
+ delete m_video_window;
+ m_video_window = NULL;
+
+ m_sizer->Fit(this);
+}
+
+// event handlers
+
+void MMBoardFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
+{
+ // TRUE is to force the frame to close
+ Close(TRUE);
+}
+
+void MMBoardFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
+{
+ wxString msg;
+ msg.Printf( wxT("wxWindows Multimedia board v1.0a, wxMMedia v2.0a:\n")
+ wxT("an example of the capabilities of the wxWindows multimedia classes.\n")
+ wxT("Copyright 1999, 2000, Guilhem Lavaux.\n"));
+
+ wxMessageBox(msg, "About MMBoard", wxOK | wxICON_INFORMATION, this);
+}
+
+void MMBoardFrame::OnOpen(wxCommandEvent& WXUNUSED(event))
+{
+ wxString selected_file;
+
+ if (m_opened_file) {
+ if (!m_opened_file->IsStopped()) {
+ wxCommandEvent event2;
+ OnStop(event2);
+ }
+ delete m_opened_file;
+ }
+
+ // select a file to be opened
+ selected_file = wxLoadFileSelector("multimedia", "*", NULL, this);
+ if (selected_file.IsNull())
+ return;
+
+ m_opened_file = MMBoardManager::Open(selected_file);
+
+ // Change the range values of the slider.
+ MMBoardTime length;
+
+ length = m_opened_file->GetLength();
+ m_positionSlider->SetRange(0, length.hours * 3600 + length.minutes * 60 + length.seconds);
+
+ // Update misc info
+ UpdateMMedInfo();
+
+ SetStatusText(selected_file, 2);
+
+ // Update info text
+ UpdateInfoText();
+
+ // Enable a few buttons
+ m_playButton->Enable(TRUE);
+ m_ejectButton->Enable(TRUE);
+ m_positionSlider->Enable(TRUE);
+
+ if (m_opened_file->NeedWindow()) {
+ OpenVideoWindow();
+ m_opened_file->SetWindow(m_video_window);
+ } else
+ CloseVideoWindow();
+}
+
+void MMBoardFrame::UpdateInfoText()
+{
+ wxString infotext1, infotext2;
+
+ if (m_opened_file) {
+ infotext1 = wxT("File type:\n\t");
+ infotext1 += m_opened_file->GetStringType() + wxT("\n");
+
+ infotext2 = wxT("File informations:\n\n");
+ infotext2 += m_opened_file->GetStringInformation();
+ } else {
+ infotext1 = wxT("File type: \n\tNo file opened");
+ infotext2 = wxT("File informations:\nNo information\n\n\n\n\n");
+ }
+
+ m_fileType->SetLabel(infotext1);
+ m_infoText->SetLabel(infotext2);
+}
+
+void MMBoardFrame::UpdateMMedInfo()
+{
+ wxString temp_string;
+ MMBoardTime current, length;
+
+ if (m_opened_file) {
+ current = m_opened_file->GetPosition();
+ length = m_opened_file->GetLength();
+ } else {
+ current.hours = current.minutes = current.seconds = 0;
+ length = current;
+ }
+
+ // We refresh the status bar
+ temp_string.Printf(wxT("%02d:%02d / %02d:%02d"), current.hours * 60 + current.minutes,
+ current.seconds, length.hours * 60 + length.minutes, length.seconds);
+ SetStatusText(temp_string, 1);
+
+ // We set the slider position
+ m_positionSlider->SetValue(current.hours * 3600 + current.minutes * 60 + current.seconds);
+}
+
+// ----------------------------------------------------------------------------
+// Playing management, refreshers, ...
+
+void MMBoardFrame::OnRefreshInfo(wxEvent& WXUNUSED(event))
+{
+ UpdateMMedInfo();
+
+ if (m_opened_file->IsStopped()) {
+ m_refreshTimer->Stop();
+ m_playButton->Enable(TRUE);
+ m_stopButton->Enable(FALSE);
+ m_pauseButton->Enable(FALSE);
+ }
+}
+
+void MMBoardFrame::OnPlay(wxCommandEvent& WXUNUSED(event))
+{
+ m_stopButton->Enable(TRUE);
+ m_pauseButton->Enable(TRUE);
+ m_playButton->Enable(FALSE);
+
+ if (m_opened_file->IsPaused()) {
+ m_opened_file->Resume();
+ return;
+ }
+
+ m_refreshTimer->Start(1000, FALSE);
+
+ m_opened_file->Play();
+
+ m_stopButton->Enable(TRUE);
+ m_pauseButton->Enable(TRUE);
+ m_playButton->Enable(FALSE);
+}
+
+void MMBoardFrame::OnStop(wxCommandEvent& WXUNUSED(event))
+{
+ m_opened_file->Stop();
+ m_refreshTimer->Stop();
+
+ m_stopButton->Enable(FALSE);
+ m_playButton->Enable(TRUE);
+
+ UpdateMMedInfo();
+}
+
+void MMBoardFrame::OnPause(wxCommandEvent& WXUNUSED(event))
+{
+ m_opened_file->Pause();
+
+ m_playButton->Enable(TRUE);
+ m_pauseButton->Enable(FALSE);
+}
+
+void MMBoardFrame::OnEject(wxCommandEvent& WXUNUSED(event))
+{
+ m_opened_file->Stop();
+
+ delete m_opened_file;
+ m_opened_file = NULL;
+
+ m_playButton->Enable(FALSE);
+ m_pauseButton->Enable(FALSE);
+ m_stopButton->Enable(FALSE);
+ m_ejectButton->Enable(FALSE);
+ m_positionSlider->Enable(FALSE);
+
+ UpdateInfoText();
+ UpdateMMedInfo();
+}
+
+void MMBoardFrame::OnSetPosition(wxCommandEvent& WXUNUSED(event))
+{
+ wxUint32 itime;
+ MMBoardTime btime;
+
+ itime = m_positionSlider->GetValue();
+ btime.seconds = itime % 60;
+ btime.minutes = (itime / 60) % 60;
+ btime.hours = itime / 3600;
+ m_opened_file->SetPosition(btime);
+
+ UpdateMMedInfo();
+}
+
projects / wxWidgets.git / blobdiff