samples/splash/splash.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        splash.cpp
   3 // Purpose:     wxSplashScreen sample
   4 // Author:      Wlodzimierz ABX Skiba
   5 // Modified by:
   6 // Created:     04/08/2004
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Wlodzimierz Skiba
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx/wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 // for all others, include the necessary headers (this file is usually all you
  28 // need because it includes almost all "standard" wxWidgets headers)
  29 #ifndef WX_PRECOMP
  30     #include "wx/wx.h"
  31 #endif
  32
  33 #include "wx/image.h"
  34 #include "wx/splash.h"
  35 #include "wx/mediactrl.h"
  36
  37 // ----------------------------------------------------------------------------
  38 // resources
  39 // ----------------------------------------------------------------------------
  40
  41 // the application icon (under Windows and OS/2 it is in resources and even
  42 // though we could still include the XPM here it would be unused)
  43 #if !defined(__WXMSW__) && !defined(__WXPM__)
  44     #include "../sample.xpm"
  45 #endif
  46
  47 // ----------------------------------------------------------------------------
  48 // private classes
  49 // ----------------------------------------------------------------------------
  50
  51 // Define a new application type, each program should derive a class from wxApp
  52 class MyApp : public wxApp
  53 {
  54 public:
  55     // override base class virtuals
  56     // ----------------------------
  57
  58     // this one is called on application startup and is a good place for the app
  59     // initialization (doing it here and not in the ctor allows to have an error
  60     // return: if OnInit() returns false, the application terminates)
  61     virtual bool OnInit();
  62 };
  63
  64 // Define a new frame type: this is going to be our main frame
  65 class MyFrame : public wxFrame
  66 {
  67 public:
  68     // ctor(s)
  69     MyFrame(const wxString& title);
  70
  71     // event handlers (these functions should _not_ be virtual)
  72     void OnQuit(wxCommandEvent& event);
  73     void OnAbout(wxCommandEvent& event);
  74
  75 private:
  76     // any class wishing to process wxWidgets events must use this macro
  77     DECLARE_EVENT_TABLE()
  78 };
  79
  80 // ----------------------------------------------------------------------------
  81 // constants
  82 // ----------------------------------------------------------------------------
  83
  84 // IDs for the controls and the menu commands
  85 enum
  86 {
  87     Minimal_Run = wxID_HIGHEST + 1,
  88 };
  89
  90 // ----------------------------------------------------------------------------
  91 // event tables and other macros for wxWidgets
  92 // ----------------------------------------------------------------------------
  93
  94 // the event tables connect the wxWidgets events with the functions (event
  95 // handlers) which process them. It can be also done at run-time, but for the
  96 // simple menu events like this the static method is much simpler.
  97 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  98     EVT_MENU(wxID_EXIT,  MyFrame::OnQuit)
  99     EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
 100 END_EVENT_TABLE()
 101
 102 // Create a new application object: this macro will allow wxWidgets to create
 103 // the application object during program execution (it's better than using a
 104 // static object for many reasons) and also implements the accessor function
 105 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 106 // not wxApp)
 107 IMPLEMENT_APP(MyApp)
 108
 109 // ============================================================================
 110 // implementation
 111 // ============================================================================
 112
 113 // ----------------------------------------------------------------------------
 114 // the application class
 115 // ----------------------------------------------------------------------------
 116
 117 // 'Main program' equivalent: the program execution "starts" here
 118 bool MyApp::OnInit()
 119 {
 120     wxImage::AddHandler(new wxPNGHandler);
 121
 122     // create the main application window
 123     MyFrame *frame = new MyFrame(_T("wxSplashScreen sample application"));
 124
 125     wxBitmap bitmap;
 126     if (bitmap.LoadFile(_T("splash.png"), wxBITMAP_TYPE_PNG))
 127     {
 128         new wxSplashScreen(bitmap,
 129             wxSPLASH_CENTRE_ON_SCREEN|wxSPLASH_TIMEOUT,
 130             6000, frame, wxID_ANY, wxDefaultPosition, wxDefaultSize,
 131             wxSIMPLE_BORDER|wxSTAY_ON_TOP);
 132     }
 133     wxYield();
 134
 135     // and show it (the frames, unlike simple controls, are not shown when
 136     // created initially)
 137     frame->Show(true);
 138
 139     // success: wxApp::OnRun() will be called which will enter the main message
 140     // loop and the application will run. If we returned false here, the
 141     // application would exit immediately.
 142     return true;
 143 }
 144
 145 // ----------------------------------------------------------------------------
 146 // main frame
 147 // ----------------------------------------------------------------------------
 148
 149 // frame constructor
 150 MyFrame::MyFrame(const wxString& title)
 151        : wxFrame(NULL, wxID_ANY, title)
 152 {
 153     // set the frame icon
 154     SetIcon(wxICON(sample));
 155
 156 #if wxUSE_MENUS
 157     // create a menu bar
 158     wxMenu *menuFile = new wxMenu;
 159
 160     // the "About" item should be in the help menu
 161     wxMenu *helpMenu = new wxMenu;
 162     helpMenu->Append(wxID_ABOUT, _T("&About...\tF1"), _T("Show about frame"));
 163
 164     menuFile->Append(wxID_EXIT, _T("E&xit\tAlt-X"), _T("Quit this program"));
 165
 166     // now append the freshly created menu to the menu bar...
 167     wxMenuBar *menuBar = new wxMenuBar();
 168     menuBar->Append(menuFile, _T("&File"));
 169     menuBar->Append(helpMenu, _T("&Help"));
 170
 171     // ... and attach this menu bar to the frame
 172     SetMenuBar(menuBar);
 173 #endif // wxUSE_MENUS
 174
 175 #if wxUSE_STATUSBAR
 176     // create a status bar just for fun (by default with 1 pane only)
 177     CreateStatusBar(2);
 178     SetStatusText(_T("Welcome to wxWidgets!"));
 179 #endif // wxUSE_STATUSBAR
 180 }
 181
 182
 183 // event handlers
 184
 185 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 186 {
 187     // true is to force the frame to close
 188     Close(true);
 189 }
 190
 191 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 192 {
 193     wxBitmap bitmap;
 194     if (bitmap.LoadFile(_T("splash.png"), wxBITMAP_TYPE_PNG))
 195     {
 196         wxImage image = bitmap.ConvertToImage();
 197         image.Rescale( bitmap.GetWidth()/2, bitmap.GetHeight()/2 );
 198         bitmap = wxBitmap(image);
 199         wxSplashScreen *splash = new wxSplashScreen(bitmap,
 200             wxSPLASH_CENTRE_ON_PARENT | wxSPLASH_NO_TIMEOUT,
 201             0, this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
 202             wxSIMPLE_BORDER|wxSTAY_ON_TOP);
 203         wxWindow *win = splash->GetSplashWindow();
 204 #if wxUSE_MEDIACTRL
 205         wxMediaCtrl *media = new wxMediaCtrl( win, wxID_EXIT, _T("press.mpg"), wxPoint(2,2));
 206         media->Play();
 207 #else
 208         wxStaticText *text = new wxStaticText( win, wxID_EXIT, _T("click somewhere\non image"), wxPoint(13,11) );
 209         text->SetBackgroundColour(*wxWHITE);
 210         text->SetForegroundColour(*wxBLACK);
 211         wxFont font = text->GetFont();
 212         font.SetPointSize(2*font.GetPointSize()/3);
 213         text->SetFont(font);
 214 #endif
 215     }
 216 }