1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/generic/splash.cpp
3 // Purpose: wxSplashScreen class
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 28/6/2000
7 // RCS-ID: $Id: splash.cpp 58746 2009-02-08 09:16:50Z VZ $
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // For compilers that support precompilation, includes "wx/wx.h".
13 #include "wx/wxprec.h"
14
15 #ifdef __BORLANDC__
16 #pragma hdrstop
17 #endif
18
19 #if wxUSE_SPLASH
20
21 #ifdef __WXGTK20__
22 #include <gtk/gtk.h>
23 #endif
24
25 #include "wx/splash.h"
26
27 #ifndef WX_PRECOMP
28 #include "wx/dcmemory.h"
29 #include "wx/dcclient.h"
30 #endif
31
32 /*
33 * wxSplashScreen
34 */
35
36 #define wxSPLASH_TIMER_ID 9999
37
IMPLEMENT_DYNAMIC_CLASS(wxSplashScreen,wxFrame)38 IMPLEMENT_DYNAMIC_CLASS(wxSplashScreen, wxFrame)
39
40 BEGIN_EVENT_TABLE(wxSplashScreen, wxFrame)
41 EVT_TIMER(wxSPLASH_TIMER_ID, wxSplashScreen::OnNotify)
42 EVT_CLOSE(wxSplashScreen::OnCloseWindow)
43 END_EVENT_TABLE()
44
45 /* Note that unless we pass a non-default size to the frame, SetClientSize
46 * won't work properly under Windows, and the splash screen frame is sized
47 * slightly too small.
48 */
49
50 wxSplashScreen::wxSplashScreen(const wxBitmap& bitmap, long splashStyle, int milliseconds, wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style):
51 wxFrame(parent, id, wxEmptyString, wxPoint(0,0), wxSize(100, 100), style)
52 {
53 // At least for GTK+ 2.0, this hint is not available.
54 #if defined(__WXGTK20__)
55 #if GTK_CHECK_VERSION(2,2,0)
56 gtk_window_set_type_hint(GTK_WINDOW(m_widget),
57 GDK_WINDOW_TYPE_HINT_SPLASHSCREEN);
58 #endif
59 #endif
60
61 m_window = NULL;
62 m_splashStyle = splashStyle;
63 m_milliseconds = milliseconds;
64
65 m_window = new wxSplashScreenWindow(bitmap, this, wxID_ANY, pos, size, wxNO_BORDER);
66
67 SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
68
69 if (m_splashStyle & wxSPLASH_CENTRE_ON_PARENT)
70 CentreOnParent();
71 else if (m_splashStyle & wxSPLASH_CENTRE_ON_SCREEN)
72 CentreOnScreen();
73
74 if (m_splashStyle & wxSPLASH_TIMEOUT)
75 {
76 m_timer.SetOwner(this, wxSPLASH_TIMER_ID);
77 m_timer.Start(milliseconds, true);
78 }
79
80 Show(true);
81 m_window->SetFocus();
82 #if defined( __WXMSW__ ) || defined(__WXMAC__)
83 Update(); // Without this, you see a blank screen for an instant
84 #else
85 wxYieldIfNeeded(); // Should eliminate this
86 #endif
87 }
88
~wxSplashScreen()89 wxSplashScreen::~wxSplashScreen()
90 {
91 m_timer.Stop();
92 }
93
OnNotify(wxTimerEvent & WXUNUSED (event))94 void wxSplashScreen::OnNotify(wxTimerEvent& WXUNUSED(event))
95 {
96 Close(true);
97 }
98
OnCloseWindow(wxCloseEvent & WXUNUSED (event))99 void wxSplashScreen::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
100 {
101 m_timer.Stop();
102 this->Destroy();
103 }
104
105 /*
106 * wxSplashScreenWindow
107 */
108
BEGIN_EVENT_TABLE(wxSplashScreenWindow,wxWindow)109 BEGIN_EVENT_TABLE(wxSplashScreenWindow, wxWindow)
110 #ifdef __WXGTK__
111 EVT_PAINT(wxSplashScreenWindow::OnPaint)
112 #endif
113 EVT_ERASE_BACKGROUND(wxSplashScreenWindow::OnEraseBackground)
114 EVT_CHAR(wxSplashScreenWindow::OnChar)
115 EVT_MOUSE_EVENTS(wxSplashScreenWindow::OnMouseEvent)
116 END_EVENT_TABLE()
117
118 wxSplashScreenWindow::wxSplashScreenWindow(const wxBitmap& bitmap, wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style):
119 wxWindow(parent, id, pos, size, style)
120 {
121 m_bitmap = bitmap;
122
123 #if !defined(__WXGTK__) && wxUSE_PALETTE
124 bool hiColour = (wxDisplayDepth() >= 16) ;
125
126 if (bitmap.GetPalette() && !hiColour)
127 {
128 SetPalette(* bitmap.GetPalette());
129 }
130 #endif
131
132 }
133
134 // VZ: why don't we do it under wxGTK?
135 #if !defined(__WXGTK__) && wxUSE_PALETTE
136 #define USE_PALETTE_IN_SPLASH
137 #endif
138
wxDrawSplashBitmap(wxDC & dc,const wxBitmap & bitmap,int WXUNUSED (x),int WXUNUSED (y))139 static void wxDrawSplashBitmap(wxDC& dc, const wxBitmap& bitmap, int WXUNUSED(x), int WXUNUSED(y))
140 {
141 wxMemoryDC dcMem;
142
143 #ifdef USE_PALETTE_IN_SPLASH
144 bool hiColour = (wxDisplayDepth() >= 16) ;
145
146 if (bitmap.GetPalette() && !hiColour)
147 {
148 dcMem.SetPalette(* bitmap.GetPalette());
149 }
150 #endif // USE_PALETTE_IN_SPLASH
151
152 dcMem.SelectObjectAsSource(bitmap);
153 dc.Blit(0, 0, bitmap.GetWidth(), bitmap.GetHeight(), &dcMem, 0, 0, wxCOPY,
154 true /* use mask */);
155 dcMem.SelectObject(wxNullBitmap);
156
157 #ifdef USE_PALETTE_IN_SPLASH
158 if (bitmap.GetPalette() && !hiColour)
159 {
160 dcMem.SetPalette(wxNullPalette);
161 }
162 #endif // USE_PALETTE_IN_SPLASH
163 }
164
OnPaint(wxPaintEvent & WXUNUSED (event))165 void wxSplashScreenWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
166 {
167 wxPaintDC dc(this);
168 if (m_bitmap.Ok())
169 wxDrawSplashBitmap(dc, m_bitmap, 0, 0);
170 }
171
OnEraseBackground(wxEraseEvent & event)172 void wxSplashScreenWindow::OnEraseBackground(wxEraseEvent& event)
173 {
174 if (event.GetDC())
175 {
176 if (m_bitmap.Ok())
177 {
178 wxDrawSplashBitmap(* event.GetDC(), m_bitmap, 0, 0);
179 }
180 }
181 else
182 {
183 wxClientDC dc(this);
184 if (m_bitmap.Ok())
185 {
186 wxDrawSplashBitmap(dc, m_bitmap, 0, 0);
187 }
188 }
189 }
190
OnMouseEvent(wxMouseEvent & event)191 void wxSplashScreenWindow::OnMouseEvent(wxMouseEvent& event)
192 {
193 if (event.LeftDown() || event.RightDown())
194 GetParent()->Close(true);
195 }
196
OnChar(wxKeyEvent & WXUNUSED (event))197 void wxSplashScreenWindow::OnChar(wxKeyEvent& WXUNUSED(event))
198 {
199 GetParent()->Close(true);
200 }
201
202 #endif // wxUSE_SPLASH
203