wxWidgets/samples/splash/splash.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name: splash.cpp
// Purpose: wxSplashScreen sample
// Author: Wlodzimierz ABX Skiba
// Modified by:
// Created: 04/08/2004
// RCS-ID: $Id$
// Copyright: (c) Wlodzimierz Skiba
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// 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" wxWidgets headers)
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/image.h"
#include "wx/splash.h"
#include "wx/mediactrl.h"
// ----------------------------------------------------------------------------
// resources
// ----------------------------------------------------------------------------
// the application icon (under Windows and OS/2 it is in resources and even
// though we could still include the XPM here it would be unused)
#if !defined(__WXMSW__) && !defined(__WXPM__)
#include "../sample.xpm"
#endif
// for smartphone, pda and other small screens use resized embedded image
// instead of full colour png dedicated to desktops
#include "mobile.xpm"
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
// Define a new application type, each program should derive a class from wxApp
class MyApp : public wxApp
{
public:
// override base class virtuals
// ----------------------------
// this one is called on application startup and is a good place for the app
// initialization (doing it here and not in the ctor allows to have an error
// return: if OnInit() returns false, the application terminates)
virtual bool OnInit();
};
// Define a new frame type: this is going to be our main frame
class MyFrame : public wxFrame
{
public:
// ctor(s)
MyFrame(const wxString& title);
// event handlers (these functions should _not_ be virtual)
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
bool m_isPda;
private:
// any class wishing to process wxWidgets events must use this macro
DECLARE_EVENT_TABLE()
};
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// IDs for the controls and the menu commands
enum
{
Minimal_Run = wxID_HIGHEST + 1
};
// ----------------------------------------------------------------------------
// event tables and other macros for wxWidgets
// ----------------------------------------------------------------------------
// the event tables connect the wxWidgets events with the functions (event
// handlers) which process them. It can be also done at run-time, but for the
// simple menu events like this the static method is much simpler.
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(wxID_EXIT, MyFrame::OnQuit)
EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
END_EVENT_TABLE()
// Create a new application object: this macro will allow wxWidgets to create
// the application object during program execution (it's better than using a
// static object for many reasons) and also implements the accessor function
// wxGetApp() which will return the reference of the right type (i.e. MyApp and
// not wxApp)
IMPLEMENT_APP(MyApp)
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// the application class
// ----------------------------------------------------------------------------
// 'Main program' equivalent: the program execution "starts" here
bool MyApp::OnInit()
{
if ( !wxApp::OnInit() )
return false;
wxImage::AddHandler(new wxPNGHandler);
// create the main application window
MyFrame *frame = new MyFrame(wxT("wxSplashScreen sample application"));
wxBitmap bitmap;
if (frame->m_isPda)
bitmap = wxBitmap(mobile_xpm);
bool ok = frame->m_isPda
? bitmap.Ok()
: bitmap.LoadFile(wxT("splash.png"), wxBITMAP_TYPE_PNG);
if (ok)
{
new wxSplashScreen(bitmap,
wxSPLASH_CENTRE_ON_SCREEN|wxSPLASH_TIMEOUT,
6000, frame, wxID_ANY, wxDefaultPosition, wxDefaultSize,
wxSIMPLE_BORDER|wxSTAY_ON_TOP);
}
#if !defined(__WXGTK20__)
// we don't need it at least on wxGTK with GTK+ 2.12.9
wxYield();
#endif
// and show it (the frames, unlike simple controls, are not shown when
// created initially)
frame->Show(true);
// 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;
}
// ----------------------------------------------------------------------------
// main frame
// ----------------------------------------------------------------------------
// frame constructor
MyFrame::MyFrame(const wxString& title)
: wxFrame(NULL, wxID_ANY, title)
{
m_isPda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA);
// set the frame icon
SetIcon(wxICON(sample));
#if wxUSE_MENUS
// create a menu bar
wxMenu *menuFile = new wxMenu;
// the "About" item should be in the help menu
wxMenu *helpMenu = new wxMenu;
helpMenu->Append(wxID_ABOUT, wxT("&About...\tF1"), wxT("Show about frame"));
menuFile->Append(wxID_EXIT, 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);
#endif // wxUSE_MENUS
#if wxUSE_STATUSBAR
// create a status bar just for fun (by default with 1 pane only)
CreateStatusBar(2);
SetStatusText(wxT("Welcome to wxWidgets!"));
#endif // wxUSE_STATUSBAR
}
// event handlers
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
// true is to force the frame to close
Close(true);
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxBitmap bitmap;
if (m_isPda) bitmap = wxBitmap(mobile_xpm);
bool ok = m_isPda
? bitmap.Ok()
: bitmap.LoadFile(wxT("splash.png"), wxBITMAP_TYPE_PNG);
if (ok)
{
wxImage image = bitmap.ConvertToImage();
// do not scale on already small screens
if (!m_isPda)
image.Rescale( bitmap.GetWidth()/2, bitmap.GetHeight()/2 );
bitmap = wxBitmap(image);
wxSplashScreen *splash = new wxSplashScreen(bitmap,
wxSPLASH_CENTRE_ON_PARENT | wxSPLASH_NO_TIMEOUT,
0, this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
wxSIMPLE_BORDER|wxSTAY_ON_TOP);
wxWindow *win = splash->GetSplashWindow();
#if wxUSE_MEDIACTRL
wxMediaCtrl *media = new wxMediaCtrl( win, wxID_EXIT, wxT("press.mpg"), wxPoint(2,2));
media->Play();
#else
wxStaticText *text = new wxStaticText( win,
wxID_EXIT,
wxT("click somewhere\non this image"),
wxPoint(m_isPda ? 0 : 13,
m_isPda ? 0 : 11)
);
text->SetBackgroundColour(*wxWHITE);
text->SetForegroundColour(*wxBLACK);
wxFont font = text->GetFont();
font.SetPointSize(2*font.GetPointSize()/3);
text->SetFont(font);
#endif
}
}