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fix for visible lines calculation
[wxWidgets.git] / src / generic / splash.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: splash.cpp
3// Purpose: wxSplashScreen class
4// Author: Julian Smart
5// Modified by:
6// Created: 28/6/2000
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart
04dbb646 9// Licence: wxWindows licence
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10/////////////////////////////////////////////////////////////////////////////
11
12#ifdef __GNUG__
13#pragma implementation "splash.h"
14#endif
15
16// For compilers that support precompilation, includes "wx/wx.h".
17#include "wx/wxprec.h"
18
19#ifdef __BORLANDC__
20#pragma hdrstop
21#endif
22
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23#if wxUSE_SPLASH
24
3f4fc796 25#ifndef WX_PRECOMP
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26#endif
27
28#include "wx/splash.h"
29
30/*
31 * wxSplashScreen
32 */
33
34#define wxSPLASH_TIMER_ID 9999
35
36BEGIN_EVENT_TABLE(wxSplashScreen, wxFrame)
37 EVT_TIMER(wxSPLASH_TIMER_ID, wxSplashScreen::OnNotify)
38 EVT_CLOSE(wxSplashScreen::OnCloseWindow)
39END_EVENT_TABLE()
40
41wxSplashScreen::wxSplashScreen(const wxBitmap& bitmap, long splashStyle, int milliseconds, wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style):
42 wxFrame(parent, id, wxEmptyString, pos, size, style)
43{
44 m_window = NULL;
45 m_splashStyle = splashStyle;
46 m_milliseconds = milliseconds;
47
48 m_window = new wxSplashScreenWindow(bitmap, this, -1, pos, size, wxNO_BORDER);
49
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50 // For some reason, we need to make the client size a couple of pixels
51 // bigger for all of the bitmap to show.
e1437298 52 // Or do we?
b96340e6 53#ifdef __WXMSW__
e1437298 54 int fudge = 0;
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55#else
56 int fudge = 0;
57#endif
58 SetClientSize(bitmap.GetWidth()+fudge, bitmap.GetHeight()+fudge);
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59
60 if (m_splashStyle & wxSPLASH_CENTRE_ON_PARENT)
61 CentreOnParent();
62 else if (m_splashStyle & wxSPLASH_CENTRE_ON_SCREEN)
63 CentreOnScreen();
64
65 if (m_splashStyle & wxSPLASH_TIMEOUT)
66 {
67 m_timer.SetOwner(this, wxSPLASH_TIMER_ID);
68 m_timer.Start(milliseconds, TRUE);
69 }
70
71 Show(TRUE);
72 m_window->SetFocus();
73 wxYield(); // Without this, you see a blank screen for an instant
74}
75
76wxSplashScreen::~wxSplashScreen()
77{
78 m_timer.Stop();
79}
80
33ac7e6f 81void wxSplashScreen::OnNotify(wxTimerEvent& WXUNUSED(event))
3f4fc796 82{
e1437298 83 Close(TRUE);
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84}
85
33ac7e6f 86void wxSplashScreen::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
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87{
88 m_timer.Stop();
89 this->Destroy();
90}
91
92/*
93 * wxSplashScreenWindow
94 */
95
96BEGIN_EVENT_TABLE(wxSplashScreenWindow, wxWindow)
97 //EVT_PAINT(wxSplashScreenWindow::OnPaint)
98 EVT_ERASE_BACKGROUND(wxSplashScreenWindow::OnEraseBackground)
99 EVT_CHAR(wxSplashScreenWindow::OnChar)
100 EVT_MOUSE_EVENTS(wxSplashScreenWindow::OnMouseEvent)
101END_EVENT_TABLE()
102
103wxSplashScreenWindow::wxSplashScreenWindow(const wxBitmap& bitmap, wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style):
104 wxWindow(parent, id, pos, size, style)
105{
106 m_bitmap = bitmap;
107}
108
33ac7e6f 109void wxSplashScreenWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
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110{
111 wxPaintDC dc(this);
112 if (m_bitmap.Ok())
113 dc.DrawBitmap(m_bitmap, 0, 0);
114}
115
33ac7e6f 116static void wxDrawSplashBitmap(wxDC& dc, const wxBitmap& bitmap, int WXUNUSED(x), int WXUNUSED(y))
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117{
118 wxMemoryDC dcMem;
119
c0f09a2e 120#ifndef __WXGTK__
3f4fc796 121 bool hiColour = (wxDisplayDepth() >= 16) ;
33ac7e6f 122
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123 if (bitmap.GetPalette() && !hiColour)
124 {
125 dc.SetPalette(* bitmap.GetPalette());
126 dcMem.SetPalette(* bitmap.GetPalette());
127 }
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128#endif
129
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130 dcMem.SelectObject(bitmap);
131 dc.Blit(0, 0, bitmap.GetWidth(), bitmap.GetHeight(), & dcMem, 0, 0);
132 dcMem.SelectObject(wxNullBitmap);
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133
134#ifndef __WXGTK__
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135 if (bitmap.GetPalette() && !hiColour)
136 {
137 dc.SetPalette(wxNullPalette);
138 dcMem.SetPalette(wxNullPalette);
139 }
25093cf3 140#endif
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141}
142
143void wxSplashScreenWindow::OnEraseBackground(wxEraseEvent& event)
144{
145 if (event.GetDC())
146 {
147 if (m_bitmap.Ok())
148 {
149 wxDrawSplashBitmap(* event.GetDC(), m_bitmap, 0, 0);
150 }
151 }
152 else
153 {
154 wxClientDC dc(this);
155 if (m_bitmap.Ok())
156 {
157 wxDrawSplashBitmap(dc, m_bitmap, 0, 0);
158 }
159 }
160}
161
162void wxSplashScreenWindow::OnMouseEvent(wxMouseEvent& event)
163{
164 if (event.LeftDown() || event.RightDown())
165 GetParent()->Close(TRUE);
166}
167
33ac7e6f 168void wxSplashScreenWindow::OnChar(wxKeyEvent& WXUNUSED(event))
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169{
170 GetParent()->Close(TRUE);
171}
172
1e6feb95 173#endif // wxUSE_SPLASH