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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
9 // Licence: wxWindows licence
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
23 #ifndef WX_PRECOMP
24 #include "wx/wx.h"
25 #endif
26
27 #include "wx/splash.h"
28
29 /*
30 * wxSplashScreen
31 */
32
33 #define wxSPLASH_TIMER_ID 9999
34
35 BEGIN_EVENT_TABLE(wxSplashScreen, wxFrame)
36 EVT_TIMER(wxSPLASH_TIMER_ID, wxSplashScreen::OnNotify)
37 EVT_CLOSE(wxSplashScreen::OnCloseWindow)
38 END_EVENT_TABLE()
39
40 wxSplashScreen::wxSplashScreen(const wxBitmap& bitmap, long splashStyle, int milliseconds, wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style):
41 wxFrame(parent, id, wxEmptyString, pos, size, style)
42 {
43 m_window = NULL;
44 m_splashStyle = splashStyle;
45 m_milliseconds = milliseconds;
46
47 m_window = new wxSplashScreenWindow(bitmap, this, -1, pos, size, wxNO_BORDER);
48
49 SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
50
51 if (m_splashStyle & wxSPLASH_CENTRE_ON_PARENT)
52 CentreOnParent();
53 else if (m_splashStyle & wxSPLASH_CENTRE_ON_SCREEN)
54 CentreOnScreen();
55
56 if (m_splashStyle & wxSPLASH_TIMEOUT)
57 {
58 m_timer.SetOwner(this, wxSPLASH_TIMER_ID);
59 m_timer.Start(milliseconds, TRUE);
60 }
61
62 Show(TRUE);
63 m_window->SetFocus();
64 wxYield(); // Without this, you see a blank screen for an instant
65 }
66
67 wxSplashScreen::~wxSplashScreen()
68 {
69 m_timer.Stop();
70 }
71
72 void wxSplashScreen::OnNotify(wxTimerEvent& event)
73 {
74 m_timer.Stop();
75 this->Destroy();
76 }
77
78 void wxSplashScreen::OnCloseWindow(wxCloseEvent& event)
79 {
80 m_timer.Stop();
81 this->Destroy();
82 }
83
84 /*
85 * wxSplashScreenWindow
86 */
87
88 BEGIN_EVENT_TABLE(wxSplashScreenWindow, wxWindow)
89 //EVT_PAINT(wxSplashScreenWindow::OnPaint)
90 EVT_ERASE_BACKGROUND(wxSplashScreenWindow::OnEraseBackground)
91 EVT_CHAR(wxSplashScreenWindow::OnChar)
92 EVT_MOUSE_EVENTS(wxSplashScreenWindow::OnMouseEvent)
93 END_EVENT_TABLE()
94
95 wxSplashScreenWindow::wxSplashScreenWindow(const wxBitmap& bitmap, wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style):
96 wxWindow(parent, id, pos, size, style)
97 {
98 m_bitmap = bitmap;
99 }
100
101 void wxSplashScreenWindow::OnPaint(wxPaintEvent& event)
102 {
103 wxPaintDC dc(this);
104 if (m_bitmap.Ok())
105 dc.DrawBitmap(m_bitmap, 0, 0);
106 }
107
108 static void wxDrawSplashBitmap(wxDC& dc, const wxBitmap& bitmap, int x, int y)
109 {
110 wxMemoryDC dcMem;
111
112 bool hiColour = (wxDisplayDepth() >= 16) ;
113
114 if (bitmap.GetPalette() && !hiColour)
115 {
116 dc.SetPalette(* bitmap.GetPalette());
117 dcMem.SetPalette(* bitmap.GetPalette());
118 }
119 dcMem.SelectObject(bitmap);
120 dc.Blit(0, 0, bitmap.GetWidth(), bitmap.GetHeight(), & dcMem, 0, 0);
121 dcMem.SelectObject(wxNullBitmap);
122 if (bitmap.GetPalette() && !hiColour)
123 {
124 dc.SetPalette(wxNullPalette);
125 dcMem.SetPalette(wxNullPalette);
126 }
127 }
128
129 void wxSplashScreenWindow::OnEraseBackground(wxEraseEvent& event)
130 {
131 if (event.GetDC())
132 {
133 if (m_bitmap.Ok())
134 {
135 wxDrawSplashBitmap(* event.GetDC(), m_bitmap, 0, 0);
136 }
137 }
138 else
139 {
140 wxClientDC dc(this);
141 if (m_bitmap.Ok())
142 {
143 wxDrawSplashBitmap(dc, m_bitmap, 0, 0);
144 }
145 }
146 }
147
148 void wxSplashScreenWindow::OnMouseEvent(wxMouseEvent& event)
149 {
150 if (event.LeftDown() || event.RightDown())
151 GetParent()->Close(TRUE);
152 }
153
154 void wxSplashScreenWindow::OnChar(wxKeyEvent& event)
155 {
156 GetParent()->Close(TRUE);
157 }
158