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 // for smartphone, pda and other small screens use resized embedded image
  48 // instead of full colour png dedicated to desktops
  49 #include "mobile.xpm"
  50
  51 // ----------------------------------------------------------------------------
  52 // private classes
  53 // ----------------------------------------------------------------------------
  54
  55 // Define a new application type, each program should derive a class from wxApp
  56 class MyApp : public wxApp
  57 {
  58 public:
  59     // override base class virtuals
  60     // ----------------------------
  61
  62     // this one is called on application startup and is a good place for the app
  63     // initialization (doing it here and not in the ctor allows to have an error
  64     // return: if OnInit() returns false, the application terminates)
  65     virtual bool OnInit();
  66 };
  67
  68 // Define a new frame type: this is going to be our main frame
  69 class MyFrame : public wxFrame
  70 {
  71 public:
  72     // ctor(s)
  73     MyFrame(const wxString& title);
  74
  75     // event handlers (these functions should _not_ be virtual)
  76     void OnQuit(wxCommandEvent& event);
  77     void OnAbout(wxCommandEvent& event);
  78
  79     bool m_isPda;
  80
  81 private:
  82     // any class wishing to process wxWidgets events must use this macro
  83     DECLARE_EVENT_TABLE()
  84 };
  85
  86 // ----------------------------------------------------------------------------
  87 // constants
  88 // ----------------------------------------------------------------------------
  89
  90 // IDs for the controls and the menu commands
  91 enum
  92 {
  93     Minimal_Run = wxID_HIGHEST + 1
  94 };
  95
  96 // ----------------------------------------------------------------------------
  97 // event tables and other macros for wxWidgets
  98 // ----------------------------------------------------------------------------
  99
 100 // the event tables connect the wxWidgets events with the functions (event
 101 // handlers) which process them. It can be also done at run-time, but for the
 102 // simple menu events like this the static method is much simpler.
 103 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 104     EVT_MENU(wxID_EXIT,  MyFrame::OnQuit)
 105     EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
 106 END_EVENT_TABLE()
 107
 108 // Create a new application object: this macro will allow wxWidgets to create
 109 // the application object during program execution (it's better than using a
 110 // static object for many reasons) and also implements the accessor function
 111 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 112 // not wxApp)
 113 IMPLEMENT_APP(MyApp)
 114
 115 // ============================================================================
 116 // implementation
 117 // ============================================================================
 118
 119 // ----------------------------------------------------------------------------
 120 // the application class
 121 // ----------------------------------------------------------------------------
 122
 123 // 'Main program' equivalent: the program execution "starts" here
 124 bool MyApp::OnInit()
 125 {
 126     if ( !wxApp::OnInit() )
 127         return false;
 128
 129     wxImage::AddHandler(new wxPNGHandler);
 130
 131     // create the main application window
 132     MyFrame *frame = new MyFrame(_T("wxSplashScreen sample application"));
 133
 134     wxBitmap bitmap;
 135
 136     if (frame->m_isPda)
 137         bitmap = wxBitmap(mobile_xpm);
 138
 139     bool ok = frame->m_isPda
 140             ? bitmap.Ok()
 141             : bitmap.LoadFile(_T("splash.png"), wxBITMAP_TYPE_PNG);
 142
 143     if (ok)
 144     {
 145         new wxSplashScreen(bitmap,
 146             wxSPLASH_CENTRE_ON_SCREEN|wxSPLASH_TIMEOUT,
 147             6000, frame, wxID_ANY, wxDefaultPosition, wxDefaultSize,
 148             wxSIMPLE_BORDER|wxSTAY_ON_TOP);
 149     }
 150
 151 #if !defined(__WXGTK20__)
 152     // we don't need it at least on wxGTK with GTK+ 2.12.9
 153     wxYield();
 154 #endif
 155
 156     // and show it (the frames, unlike simple controls, are not shown when
 157     // created initially)
 158     frame->Show(true);
 159
 160     // success: wxApp::OnRun() will be called which will enter the main message
 161     // loop and the application will run. If we returned false here, the
 162     // application would exit immediately.
 163     return true;
 164 }
 165
 166 // ----------------------------------------------------------------------------
 167 // main frame
 168 // ----------------------------------------------------------------------------
 169
 170 // frame constructor
 171 MyFrame::MyFrame(const wxString& title)
 172        : wxFrame(NULL, wxID_ANY, title)
 173 {
 174     m_isPda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA);
 175
 176     // set the frame icon
 177     SetIcon(wxICON(sample));
 178
 179 #if wxUSE_MENUS
 180     // create a menu bar
 181     wxMenu *menuFile = new wxMenu;
 182
 183     // the "About" item should be in the help menu
 184     wxMenu *helpMenu = new wxMenu;
 185     helpMenu->Append(wxID_ABOUT, _T("&About...\tF1"), _T("Show about frame"));
 186
 187     menuFile->Append(wxID_EXIT, _T("E&xit\tAlt-X"), _T("Quit this program"));
 188
 189     // now append the freshly created menu to the menu bar...
 190     wxMenuBar *menuBar = new wxMenuBar();
 191     menuBar->Append(menuFile, _T("&File"));
 192     menuBar->Append(helpMenu, _T("&Help"));
 193
 194     // ... and attach this menu bar to the frame
 195     SetMenuBar(menuBar);
 196 #endif // wxUSE_MENUS
 197
 198 #if wxUSE_STATUSBAR
 199     // create a status bar just for fun (by default with 1 pane only)
 200     CreateStatusBar(2);
 201     SetStatusText(_T("Welcome to wxWidgets!"));
 202 #endif // wxUSE_STATUSBAR
 203 }
 204
 205
 206 // event handlers
 207
 208 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 209 {
 210     // true is to force the frame to close
 211     Close(true);
 212 }
 213
 214 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 215 {
 216     wxBitmap bitmap;
 217
 218     if (m_isPda) bitmap = wxBitmap(mobile_xpm);
 219
 220     bool ok = m_isPda
 221             ? bitmap.Ok()
 222             : bitmap.LoadFile(_T("splash.png"), wxBITMAP_TYPE_PNG);
 223
 224     if (ok)
 225     {
 226         wxImage image = bitmap.ConvertToImage();
 227
 228         // do not scale on already small screens
 229         if (!m_isPda)
 230             image.Rescale( bitmap.GetWidth()/2, bitmap.GetHeight()/2 );
 231
 232         bitmap = wxBitmap(image);
 233         wxSplashScreen *splash = new wxSplashScreen(bitmap,
 234             wxSPLASH_CENTRE_ON_PARENT | wxSPLASH_NO_TIMEOUT,
 235             0, this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
 236             wxSIMPLE_BORDER|wxSTAY_ON_TOP);
 237
 238         wxWindow *win = splash->GetSplashWindow();
 239 #if wxUSE_MEDIACTRL
 240         wxMediaCtrl *media = new wxMediaCtrl( win, wxID_EXIT, _T("press.mpg"), wxPoint(2,2));
 241         media->Play();
 242 #else
 243         wxStaticText *text = new wxStaticText( win,
 244                                                wxID_EXIT,
 245                                                _T("click somewhere\non this image"),
 246                                                wxPoint(m_isPda ? 0 : 13,
 247                                                        m_isPda ? 0 : 11)
 248                                              );
 249         text->SetBackgroundColour(*wxWHITE);
 250         text->SetForegroundColour(*wxBLACK);
 251         wxFont font = text->GetFont();
 252         font.SetPointSize(2*font.GetPointSize()/3);
 253         text->SetFont(font);
 254 #endif
 255     }
 256 }