| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/common/dpycmn.cpp |
| 3 | // Purpose: wxDisplay and wxDisplayImplSingle implementation |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 01.03.03 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 2003-2006 Vadim Zeitlin <vadim@wxwindows.org> |
| 9 | // License: wxWindows licence |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #ifndef WX_PRECOMP |
| 28 | #include "wx/gdicmn.h" |
| 29 | #include "wx/window.h" |
| 30 | #include "wx/module.h" |
| 31 | #endif //WX_PRECOMP |
| 32 | |
| 33 | #include "wx/display.h" |
| 34 | #include "wx/display_impl.h" |
| 35 | |
| 36 | #if wxUSE_DISPLAY |
| 37 | |
| 38 | #include "wx/arrimpl.cpp" |
| 39 | WX_DEFINE_OBJARRAY(wxArrayVideoModes) |
| 40 | |
| 41 | const wxVideoMode wxDefaultVideoMode; |
| 42 | |
| 43 | #endif // wxUSE_DISPLAY |
| 44 | |
| 45 | // ---------------------------------------------------------------------------- |
| 46 | // globals |
| 47 | // ---------------------------------------------------------------------------- |
| 48 | |
| 49 | // the factory object used by wxDisplay |
| 50 | // |
| 51 | // created on demand and destroyed by wxDisplayModule |
| 52 | static wxDisplayFactory *gs_factory = NULL; |
| 53 | |
| 54 | // ---------------------------------------------------------------------------- |
| 55 | // wxDisplayImplSingle: trivial implementation working for main display only |
| 56 | // ---------------------------------------------------------------------------- |
| 57 | |
| 58 | class WXDLLEXPORT wxDisplayImplSingle : public wxDisplayImpl |
| 59 | { |
| 60 | public: |
| 61 | wxDisplayImplSingle() : wxDisplayImpl(0) { } |
| 62 | |
| 63 | virtual wxRect GetGeometry() const |
| 64 | { |
| 65 | wxRect r; |
| 66 | wxDisplaySize(&r.width, &r.height); |
| 67 | return r; |
| 68 | } |
| 69 | |
| 70 | virtual wxRect GetClientArea() const { return wxGetClientDisplayRect(); } |
| 71 | |
| 72 | virtual wxString GetName() const { return wxString(); } |
| 73 | |
| 74 | #if wxUSE_DISPLAY |
| 75 | // no video modes support for us, provide just the stubs |
| 76 | |
| 77 | virtual wxArrayVideoModes GetModes(const wxVideoMode& WXUNUSED(mode)) const |
| 78 | { |
| 79 | return wxArrayVideoModes(); |
| 80 | } |
| 81 | |
| 82 | virtual wxVideoMode GetCurrentMode() const { return wxVideoMode(); } |
| 83 | |
| 84 | virtual bool ChangeMode(const wxVideoMode& WXUNUSED(mode)) { return false; } |
| 85 | #endif // wxUSE_DISPLAY |
| 86 | |
| 87 | |
| 88 | DECLARE_NO_COPY_CLASS(wxDisplayImplSingle) |
| 89 | }; |
| 90 | |
| 91 | // ---------------------------------------------------------------------------- |
| 92 | // wxDisplayModule is used to cleanup gs_factory |
| 93 | // ---------------------------------------------------------------------------- |
| 94 | |
| 95 | class wxDisplayModule : public wxModule |
| 96 | { |
| 97 | public: |
| 98 | virtual bool OnInit() { return true; } |
| 99 | virtual void OnExit() |
| 100 | { |
| 101 | if ( gs_factory ) |
| 102 | { |
| 103 | delete gs_factory; |
| 104 | gs_factory = NULL; |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | DECLARE_DYNAMIC_CLASS(wxDisplayModule) |
| 109 | }; |
| 110 | |
| 111 | IMPLEMENT_DYNAMIC_CLASS(wxDisplayModule, wxModule) |
| 112 | |
| 113 | // ============================================================================ |
| 114 | // wxDisplay implementation |
| 115 | // ============================================================================ |
| 116 | |
| 117 | // ---------------------------------------------------------------------------- |
| 118 | // ctor/dtor |
| 119 | // ---------------------------------------------------------------------------- |
| 120 | |
| 121 | wxDisplay::wxDisplay(unsigned n) |
| 122 | { |
| 123 | wxASSERT_MSG( n < GetCount(), |
| 124 | wxT("An invalid index was passed to wxDisplay") ); |
| 125 | |
| 126 | m_impl = Factory().CreateDisplay(n); |
| 127 | } |
| 128 | |
| 129 | wxDisplay::~wxDisplay() |
| 130 | { |
| 131 | delete m_impl; |
| 132 | } |
| 133 | |
| 134 | // ---------------------------------------------------------------------------- |
| 135 | // static functions forwarded to wxDisplayFactory |
| 136 | // ---------------------------------------------------------------------------- |
| 137 | |
| 138 | /* static */ unsigned wxDisplay::GetCount() |
| 139 | { |
| 140 | return Factory().GetCount(); |
| 141 | } |
| 142 | |
| 143 | /* static */ int wxDisplay::GetFromPoint(const wxPoint& pt) |
| 144 | { |
| 145 | return Factory().GetFromPoint(pt); |
| 146 | } |
| 147 | |
| 148 | /* static */ int wxDisplay::GetFromWindow(const wxWindow *window) |
| 149 | { |
| 150 | wxCHECK_MSG( window, wxNOT_FOUND, _T("invalid window") ); |
| 151 | |
| 152 | return Factory().GetFromWindow(window); |
| 153 | } |
| 154 | |
| 155 | // ---------------------------------------------------------------------------- |
| 156 | // functions forwarded to wxDisplayImpl |
| 157 | // ---------------------------------------------------------------------------- |
| 158 | |
| 159 | wxRect wxDisplay::GetGeometry() const |
| 160 | { |
| 161 | wxCHECK_MSG( IsOk(), wxRect(), _T("invalid wxDisplay object") ); |
| 162 | |
| 163 | return m_impl->GetGeometry(); |
| 164 | } |
| 165 | |
| 166 | wxRect wxDisplay::GetClientArea() const |
| 167 | { |
| 168 | wxCHECK_MSG( IsOk(), wxRect(), _T("invalid wxDisplay object") ); |
| 169 | |
| 170 | return m_impl->GetClientArea(); |
| 171 | } |
| 172 | |
| 173 | wxString wxDisplay::GetName() const |
| 174 | { |
| 175 | wxCHECK_MSG( IsOk(), wxString(), _T("invalid wxDisplay object") ); |
| 176 | |
| 177 | return m_impl->GetName(); |
| 178 | } |
| 179 | |
| 180 | bool wxDisplay::IsPrimary() const |
| 181 | { |
| 182 | return m_impl && m_impl->GetIndex() == 0; |
| 183 | } |
| 184 | |
| 185 | #if wxUSE_DISPLAY |
| 186 | |
| 187 | wxArrayVideoModes wxDisplay::GetModes(const wxVideoMode& mode) const |
| 188 | { |
| 189 | wxCHECK_MSG( IsOk(), wxArrayVideoModes(), _T("invalid wxDisplay object") ); |
| 190 | |
| 191 | return m_impl->GetModes(mode); |
| 192 | } |
| 193 | |
| 194 | wxVideoMode wxDisplay::GetCurrentMode() const |
| 195 | { |
| 196 | wxCHECK_MSG( IsOk(), wxVideoMode(), _T("invalid wxDisplay object") ); |
| 197 | |
| 198 | return m_impl->GetCurrentMode(); |
| 199 | } |
| 200 | |
| 201 | bool wxDisplay::ChangeMode(const wxVideoMode& mode) |
| 202 | { |
| 203 | wxCHECK_MSG( IsOk(), false, _T("invalid wxDisplay object") ); |
| 204 | |
| 205 | return m_impl->ChangeMode(mode); |
| 206 | } |
| 207 | |
| 208 | #endif // wxUSE_DISPLAY |
| 209 | |
| 210 | // ---------------------------------------------------------------------------- |
| 211 | // static functions implementation |
| 212 | // ---------------------------------------------------------------------------- |
| 213 | |
| 214 | // if wxUSE_DISPLAY == 1 this is implemented in port-specific code |
| 215 | #if !wxUSE_DISPLAY |
| 216 | |
| 217 | /* static */ wxDisplayFactory *wxDisplay::CreateFactory() |
| 218 | { |
| 219 | return new wxDisplayFactorySingle; |
| 220 | } |
| 221 | |
| 222 | #endif // !wxUSE_DISPLAY |
| 223 | |
| 224 | /* static */ wxDisplayFactory& wxDisplay::Factory() |
| 225 | { |
| 226 | if ( !gs_factory ) |
| 227 | { |
| 228 | gs_factory = CreateFactory(); |
| 229 | } |
| 230 | |
| 231 | return *gs_factory; |
| 232 | } |
| 233 | |
| 234 | // ============================================================================ |
| 235 | // wxDisplayFactory implementation |
| 236 | // ============================================================================ |
| 237 | |
| 238 | int wxDisplayFactory::GetFromWindow(const wxWindow *window) |
| 239 | { |
| 240 | // consider that the window belongs to the display containing its centre |
| 241 | const wxRect r(window->GetRect()); |
| 242 | return GetFromPoint(wxPoint(r.x + r.width/2, r.y + r.height/2)); |
| 243 | } |
| 244 | |
| 245 | // ============================================================================ |
| 246 | // wxDisplayFactorySingle implementation |
| 247 | // ============================================================================ |
| 248 | |
| 249 | /* static */ |
| 250 | wxDisplayImpl *wxDisplayFactorySingle::CreateDisplay(unsigned n) |
| 251 | { |
| 252 | // we recognize the main display only |
| 253 | return n != 0 ? NULL : new wxDisplayImplSingle; |
| 254 | } |
| 255 | |
| 256 | int wxDisplayFactorySingle::GetFromPoint(const wxPoint& pt) |
| 257 | { |
| 258 | if ( pt.x >= 0 && pt.y >= 0 ) |
| 259 | { |
| 260 | int w, h; |
| 261 | wxDisplaySize(&w, &h); |
| 262 | |
| 263 | if ( pt.x < w && pt.y < h ) |
| 264 | return 0; |
| 265 | } |
| 266 | |
| 267 | // the point is outside of the screen |
| 268 | return wxNOT_FOUND; |
| 269 | } |