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wxWindows-2.4.0
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splash.cpp
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C/C++ Source or Header
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2002-02-14
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/////////////////////////////////////////////////////////////////////////////
// Name: splash.cpp
// Purpose: wxSplashScreen class
// Author: Julian Smart
// Modified by:
// Created: 28/6/2000
// RCS-ID: $Id: splash.cpp,v 1.16 2002/02/14 13:50:10 VZ Exp $
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "splash.h"
#endif
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_SPLASH
#ifndef WX_PRECOMP
#include "wx/dcmemory.h"
#endif
#include "wx/splash.h"
/*
* wxSplashScreen
*/
#define wxSPLASH_TIMER_ID 9999
IMPLEMENT_DYNAMIC_CLASS(wxSplashScreen, wxFrame);
BEGIN_EVENT_TABLE(wxSplashScreen, wxFrame)
EVT_TIMER(wxSPLASH_TIMER_ID, wxSplashScreen::OnNotify)
EVT_CLOSE(wxSplashScreen::OnCloseWindow)
END_EVENT_TABLE()
/* Note that unless we pass a non-default size to the frame, SetClientSize
* won't work properly under Windows, and the splash screen frame is sized
* slightly too small.
*/
wxSplashScreen::wxSplashScreen(const wxBitmap& bitmap, long splashStyle, int milliseconds, wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style):
wxFrame(parent, id, wxEmptyString, wxPoint(0, 0), wxSize(100, 100), style)
{
m_window = NULL;
m_splashStyle = splashStyle;
m_milliseconds = milliseconds;
m_window = new wxSplashScreenWindow(bitmap, this, -1, pos, size, wxNO_BORDER);
SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
if (m_splashStyle & wxSPLASH_CENTRE_ON_PARENT)
CentreOnParent();
else if (m_splashStyle & wxSPLASH_CENTRE_ON_SCREEN)
CentreOnScreen();
if (m_splashStyle & wxSPLASH_TIMEOUT)
{
m_timer.SetOwner(this, wxSPLASH_TIMER_ID);
m_timer.Start(milliseconds, TRUE);
}
Show(TRUE);
m_window->SetFocus();
#ifdef __WXMSW__
Update(); // Without this, you see a blank screen for an instant
#else
wxYieldIfNeeded(); // Should eliminate this
#endif
}
wxSplashScreen::~wxSplashScreen()
{
m_timer.Stop();
}
void wxSplashScreen::OnNotify(wxTimerEvent& WXUNUSED(event))
{
Close(TRUE);
}
void wxSplashScreen::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
{
m_timer.Stop();
this->Destroy();
}
/*
* wxSplashScreenWindow
*/
BEGIN_EVENT_TABLE(wxSplashScreenWindow, wxWindow)
#ifdef __WXGTK__
EVT_PAINT(wxSplashScreenWindow::OnPaint)
#endif
EVT_ERASE_BACKGROUND(wxSplashScreenWindow::OnEraseBackground)
EVT_CHAR(wxSplashScreenWindow::OnChar)
EVT_MOUSE_EVENTS(wxSplashScreenWindow::OnMouseEvent)
END_EVENT_TABLE()
wxSplashScreenWindow::wxSplashScreenWindow(const wxBitmap& bitmap, wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style):
wxWindow(parent, id, pos, size, style)
{
m_bitmap = bitmap;
#if !defined(__WXGTK__) && wxUSE_PALETTE
bool hiColour = (wxDisplayDepth() >= 16) ;
if (bitmap.GetPalette() && !hiColour)
{
SetPalette(* bitmap.GetPalette());
}
#endif
}
// VZ: why don't we do it under wxGTK?
#if !defined(__WXGTK__) && wxUSE_PALETTE
#define USE_PALETTE_IN_SPLASH
#endif
static void wxDrawSplashBitmap(wxDC& dc, const wxBitmap& bitmap, int WXUNUSED(x), int WXUNUSED(y))
{
wxMemoryDC dcMem;
#ifdef USE_PALETTE_IN_SPLASH
bool hiColour = (wxDisplayDepth() >= 16) ;
if (bitmap.GetPalette() && !hiColour)
{
dcMem.SetPalette(* bitmap.GetPalette());
}
#endif // USE_PALETTE_IN_SPLASH
dcMem.SelectObject(bitmap);
dc.Blit(0, 0, bitmap.GetWidth(), bitmap.GetHeight(), & dcMem, 0, 0);
dcMem.SelectObject(wxNullBitmap);
#ifdef USE_PALETTE_IN_SPLASH
if (bitmap.GetPalette() && !hiColour)
{
dcMem.SetPalette(wxNullPalette);
}
#endif // USE_PALETTE_IN_SPLASH
}
void wxSplashScreenWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
{
wxPaintDC dc(this);
if (m_bitmap.Ok())
wxDrawSplashBitmap(dc, m_bitmap, 0, 0);
}
void wxSplashScreenWindow::OnEraseBackground(wxEraseEvent& event)
{
if (event.GetDC())
{
if (m_bitmap.Ok())
{
wxDrawSplashBitmap(* event.GetDC(), m_bitmap, 0, 0);
}
}
else
{
wxClientDC dc(this);
if (m_bitmap.Ok())
{
wxDrawSplashBitmap(dc, m_bitmap, 0, 0);
}
}
}
void wxSplashScreenWindow::OnMouseEvent(wxMouseEvent& event)
{
if (event.LeftDown() || event.RightDown())
GetParent()->Close(TRUE);
}
void wxSplashScreenWindow::OnChar(wxKeyEvent& WXUNUSED(event))
{
GetParent()->Close(TRUE);
}
#endif // wxUSE_SPLASH