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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: $Id$ | |
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 | ||
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 | ||
89 | wxSplashScreen::~wxSplashScreen() | |
90 | { | |
91 | m_timer.Stop(); | |
92 | } | |
93 | ||
94 | void wxSplashScreen::OnNotify(wxTimerEvent& WXUNUSED(event)) | |
95 | { | |
96 | Close(true); | |
97 | } | |
98 | ||
99 | void wxSplashScreen::OnCloseWindow(wxCloseEvent& WXUNUSED(event)) | |
100 | { | |
101 | m_timer.Stop(); | |
102 | this->Destroy(); | |
103 | } | |
104 | ||
105 | /* | |
106 | * wxSplashScreenWindow | |
107 | */ | |
108 | ||
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 | ||
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.SelectObject(bitmap); | |
153 | dc.Blit(0, 0, bitmap.GetWidth(), bitmap.GetHeight(), & dcMem, 0, 0); | |
154 | dcMem.SelectObject(wxNullBitmap); | |
155 | ||
156 | #ifdef USE_PALETTE_IN_SPLASH | |
157 | if (bitmap.GetPalette() && !hiColour) | |
158 | { | |
159 | dcMem.SetPalette(wxNullPalette); | |
160 | } | |
161 | #endif // USE_PALETTE_IN_SPLASH | |
162 | } | |
163 | ||
164 | void wxSplashScreenWindow::OnPaint(wxPaintEvent& WXUNUSED(event)) | |
165 | { | |
166 | wxPaintDC dc(this); | |
167 | if (m_bitmap.Ok()) | |
168 | wxDrawSplashBitmap(dc, m_bitmap, 0, 0); | |
169 | } | |
170 | ||
171 | void wxSplashScreenWindow::OnEraseBackground(wxEraseEvent& event) | |
172 | { | |
173 | if (event.GetDC()) | |
174 | { | |
175 | if (m_bitmap.Ok()) | |
176 | { | |
177 | wxDrawSplashBitmap(* event.GetDC(), m_bitmap, 0, 0); | |
178 | } | |
179 | } | |
180 | else | |
181 | { | |
182 | wxClientDC dc(this); | |
183 | if (m_bitmap.Ok()) | |
184 | { | |
185 | wxDrawSplashBitmap(dc, m_bitmap, 0, 0); | |
186 | } | |
187 | } | |
188 | } | |
189 | ||
190 | void wxSplashScreenWindow::OnMouseEvent(wxMouseEvent& event) | |
191 | { | |
192 | if (event.LeftDown() || event.RightDown()) | |
193 | GetParent()->Close(true); | |
194 | } | |
195 | ||
196 | void wxSplashScreenWindow::OnChar(wxKeyEvent& WXUNUSED(event)) | |
197 | { | |
198 | GetParent()->Close(true); | |
199 | } | |
200 | ||
201 | #endif // wxUSE_SPLASH |