| 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 | // ---------------------------------------------------------------------------- |
| 34 | // wxSplashScreen |
| 35 | // ---------------------------------------------------------------------------- |
| 36 | |
| 37 | #define wxSPLASH_TIMER_ID 9999 |
| 38 | |
| 39 | IMPLEMENT_DYNAMIC_CLASS(wxSplashScreen, wxFrame) |
| 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, |
| 51 | wxWindow* parent, wxWindowID id, const wxPoint& pos, |
| 52 | const wxSize& size, long style) |
| 53 | : wxFrame(parent, id, wxEmptyString, wxPoint(0,0), wxSize(100, 100), style) |
| 54 | { |
| 55 | // splash screen must not be used as parent by the other windows because it |
| 56 | // is going to disappear soon, indicate it by giving it this special style |
| 57 | SetExtraStyle(GetExtraStyle() | wxWS_EX_TRANSIENT); |
| 58 | |
| 59 | #if defined(__WXGTK20__) |
| 60 | gtk_window_set_type_hint(GTK_WINDOW(m_widget), |
| 61 | GDK_WINDOW_TYPE_HINT_SPLASHSCREEN); |
| 62 | #endif |
| 63 | |
| 64 | m_window = NULL; |
| 65 | m_splashStyle = splashStyle; |
| 66 | m_milliseconds = milliseconds; |
| 67 | |
| 68 | m_window = new wxSplashScreenWindow(bitmap, this, wxID_ANY, pos, size, wxNO_BORDER); |
| 69 | |
| 70 | SetClientSize(bitmap.GetWidth(), bitmap.GetHeight()); |
| 71 | |
| 72 | if (m_splashStyle & wxSPLASH_CENTRE_ON_PARENT) |
| 73 | CentreOnParent(); |
| 74 | else if (m_splashStyle & wxSPLASH_CENTRE_ON_SCREEN) |
| 75 | CentreOnScreen(); |
| 76 | |
| 77 | if (m_splashStyle & wxSPLASH_TIMEOUT) |
| 78 | { |
| 79 | m_timer.SetOwner(this, wxSPLASH_TIMER_ID); |
| 80 | m_timer.Start(milliseconds, true); |
| 81 | } |
| 82 | |
| 83 | Show(true); |
| 84 | m_window->SetFocus(); |
| 85 | #if defined( __WXMSW__ ) || defined(__WXMAC__) |
| 86 | Update(); // Without this, you see a blank screen for an instant |
| 87 | #elif defined(__WXGTK20__) |
| 88 | // we don't need to do anything at least on wxGTK with GTK+ 2.12.9 |
| 89 | #else |
| 90 | wxYieldIfNeeded(); // Should eliminate this |
| 91 | #endif |
| 92 | } |
| 93 | |
| 94 | wxSplashScreen::~wxSplashScreen() |
| 95 | { |
| 96 | m_timer.Stop(); |
| 97 | } |
| 98 | |
| 99 | void wxSplashScreen::OnNotify(wxTimerEvent& WXUNUSED(event)) |
| 100 | { |
| 101 | Close(true); |
| 102 | } |
| 103 | |
| 104 | void wxSplashScreen::OnCloseWindow(wxCloseEvent& WXUNUSED(event)) |
| 105 | { |
| 106 | m_timer.Stop(); |
| 107 | this->Destroy(); |
| 108 | } |
| 109 | |
| 110 | // ---------------------------------------------------------------------------- |
| 111 | // wxSplashScreenWindow |
| 112 | // ---------------------------------------------------------------------------- |
| 113 | |
| 114 | BEGIN_EVENT_TABLE(wxSplashScreenWindow, wxWindow) |
| 115 | #ifdef __WXGTK__ |
| 116 | EVT_PAINT(wxSplashScreenWindow::OnPaint) |
| 117 | #endif |
| 118 | EVT_ERASE_BACKGROUND(wxSplashScreenWindow::OnEraseBackground) |
| 119 | EVT_CHAR(wxSplashScreenWindow::OnChar) |
| 120 | EVT_MOUSE_EVENTS(wxSplashScreenWindow::OnMouseEvent) |
| 121 | END_EVENT_TABLE() |
| 122 | |
| 123 | wxSplashScreenWindow::wxSplashScreenWindow(const wxBitmap& bitmap, wxWindow* parent, |
| 124 | wxWindowID id, const wxPoint& pos, |
| 125 | const wxSize& size, long style) |
| 126 | : wxWindow(parent, id, pos, size, style) |
| 127 | { |
| 128 | m_bitmap = bitmap; |
| 129 | |
| 130 | #if !defined(__WXGTK__) && wxUSE_PALETTE |
| 131 | bool hiColour = (wxDisplayDepth() >= 16) ; |
| 132 | |
| 133 | if (bitmap.GetPalette() && !hiColour) |
| 134 | { |
| 135 | SetPalette(* bitmap.GetPalette()); |
| 136 | } |
| 137 | #endif |
| 138 | } |
| 139 | |
| 140 | // VZ: why don't we do it under wxGTK? |
| 141 | #if !defined(__WXGTK__) && wxUSE_PALETTE |
| 142 | #define USE_PALETTE_IN_SPLASH |
| 143 | #endif |
| 144 | |
| 145 | static void wxDrawSplashBitmap(wxDC& dc, const wxBitmap& bitmap, int WXUNUSED(x), int WXUNUSED(y)) |
| 146 | { |
| 147 | wxMemoryDC dcMem; |
| 148 | |
| 149 | #ifdef USE_PALETTE_IN_SPLASH |
| 150 | bool hiColour = (wxDisplayDepth() >= 16) ; |
| 151 | |
| 152 | if (bitmap.GetPalette() && !hiColour) |
| 153 | { |
| 154 | dcMem.SetPalette(* bitmap.GetPalette()); |
| 155 | } |
| 156 | #endif // USE_PALETTE_IN_SPLASH |
| 157 | |
| 158 | dcMem.SelectObjectAsSource(bitmap); |
| 159 | dc.Blit(0, 0, bitmap.GetWidth(), bitmap.GetHeight(), &dcMem, 0, 0, wxCOPY, |
| 160 | true /* use mask */); |
| 161 | dcMem.SelectObject(wxNullBitmap); |
| 162 | |
| 163 | #ifdef USE_PALETTE_IN_SPLASH |
| 164 | if (bitmap.GetPalette() && !hiColour) |
| 165 | { |
| 166 | dcMem.SetPalette(wxNullPalette); |
| 167 | } |
| 168 | #endif // USE_PALETTE_IN_SPLASH |
| 169 | } |
| 170 | |
| 171 | void wxSplashScreenWindow::OnPaint(wxPaintEvent& WXUNUSED(event)) |
| 172 | { |
| 173 | wxPaintDC dc(this); |
| 174 | if (m_bitmap.Ok()) |
| 175 | wxDrawSplashBitmap(dc, m_bitmap, 0, 0); |
| 176 | } |
| 177 | |
| 178 | void wxSplashScreenWindow::OnEraseBackground(wxEraseEvent& event) |
| 179 | { |
| 180 | if (event.GetDC() && m_bitmap.Ok()) |
| 181 | { |
| 182 | wxDrawSplashBitmap(* event.GetDC(), m_bitmap, 0, 0); |
| 183 | } |
| 184 | else |
| 185 | { |
| 186 | wxClientDC dc(this); |
| 187 | if (m_bitmap.Ok()) |
| 188 | wxDrawSplashBitmap(dc, m_bitmap, 0, 0); |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | void wxSplashScreenWindow::OnMouseEvent(wxMouseEvent& event) |
| 193 | { |
| 194 | if (event.LeftDown() || event.RightDown()) |
| 195 | GetParent()->Close(true); |
| 196 | else |
| 197 | event.Skip(); |
| 198 | } |
| 199 | |
| 200 | void wxSplashScreenWindow::OnChar(wxKeyEvent& WXUNUSED(event)) |
| 201 | { |
| 202 | GetParent()->Close(true); |
| 203 | } |
| 204 | |
| 205 | #endif // wxUSE_SPLASH |