src/palmos/display.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        display.cpp
   3 // Purpose:     Palm OS Implementation of wxDisplay class
   4 // Author:      William Osborne
   5 // Modified by:
   6 // Created:     10.13.04
   7 // RCS-ID:      $Id:
   8 // Copyright:   (c) William Osborne
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ===========================================================================
  13 // declarations
  14 // ===========================================================================
  15
  16 // ---------------------------------------------------------------------------
  17 // headers
  18 // ---------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "display.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #if wxUSE_DISPLAY
  32
  33 #ifndef WX_PRECOMP
  34    #include "wx/app.h"
  35    #include "wx/dynarray.h"
  36    #include "wx/frame.h"
  37 #endif
  38
  39 #include "wx/dynload.h"
  40
  41 #include "wx/display.h"
  42
  43 // ----------------------------------------------------------------------------
  44 // macros
  45 // ----------------------------------------------------------------------------
  46
  47 #ifdef _UNICODE
  48     #define WINFUNC(x)  _T(#x) L"W"
  49 #else
  50     #define WINFUNC(x) #x "A"
  51 #endif
  52
  53 // ----------------------------------------------------------------------------
  54 // private classes
  55 // ----------------------------------------------------------------------------
  56
  57 class wxDisplayInfo
  58 {
  59 public:
  60     // handle of this monitor used by MonitorXXX() functions, never NULL
  61     HMONITOR m_hmon;
  62
  63     // IDirectDraw object used to control this display, may be NULL
  64     IDirectDraw2 *m_pDD2;
  65
  66     // DirectDraw GUID for this display, only valid when using DirectDraw
  67     GUID m_guid;
  68
  69     // the entire area of this monitor in virtual screen coordinates
  70     wxRect m_rect;
  71
  72     // the display device name for this monitor, empty initially and retrieved
  73     // on demand by DoGetName()
  74     wxString m_devName;
  75
  76     wxDisplayInfo() { m_hmon = NULL; m_pDD2 = NULL; }
  77     ~wxDisplayInfo() { if ( m_pDD2 ) m_pDD2->Release(); }
  78 };
  79
  80 WX_DECLARE_OBJARRAY(wxDisplayInfo, wxDisplayInfoArray);
  81 #include "wx/arrimpl.cpp"
  82 WX_DEFINE_OBJARRAY(wxDisplayInfoArray);
  83
  84 // this module is used to cleanup gs_displays array
  85 class wxDisplayModule : public wxModule
  86 {
  87 public:
  88     virtual bool OnInit() { return true; }
  89     virtual void OnExit();
  90
  91     DECLARE_DYNAMIC_CLASS(wxDisplayModule)
  92 };
  93
  94 IMPLEMENT_DYNAMIC_CLASS(wxDisplayModule, wxModule)
  95
  96 // ----------------------------------------------------------------------------
  97 // globals
  98 // ----------------------------------------------------------------------------
  99
 100 // this is not really MT-unsafe as wxDisplay is only going to be used from the
 101 // main thread, i.e. we consider that it's a GUI class and so don't protect it
 102 static wxDisplayInfoArray *gs_displays = NULL;
 103
 104 // ===========================================================================
 105 // implementation
 106 // ===========================================================================
 107
 108 // ----------------------------------------------------------------------------
 109 // local functions
 110 // ----------------------------------------------------------------------------
 111
 112 // initialize gs_displays using DirectX functions
 113 static bool DoInitDirectX()
 114 {
 115     return false;
 116 }
 117
 118 // initialize gs_displays using the standard Windows functions
 119 static void DoInitStdWindows()
 120 {
 121 }
 122
 123 // this function must be called before accessing gs_displays array as it
 124 // creates and initializes it
 125 static void InitDisplays()
 126 {
 127 }
 128
 129 // convert a DEVMODE to our wxVideoMode
 130 wxVideoMode ConvertToVideoMode(const DEVMODE& dm)
 131 {
 132     return wxVideoMode(160,
 133                        160,
 134                        16,
 135                        0);
 136 }
 137
 138 // ----------------------------------------------------------------------------
 139 // wxDisplayModule
 140 // ----------------------------------------------------------------------------
 141
 142 void wxDisplayModule::OnExit()
 143 {
 144 }
 145
 146 // ---------------------------------------------------------------------------
 147 // wxDisplay
 148 // ---------------------------------------------------------------------------
 149
 150 /* static */
 151 void wxDisplay::UseDirectX(bool useDX)
 152 {
 153 }
 154
 155 // helper of GetFromPoint() and GetFromWindow()
 156 static int DisplayFromHMONITOR(HMONITOR hmon)
 157 {
 158     return wxNOT_FOUND;
 159 }
 160
 161 /* static */
 162 size_t wxDisplayBase::GetCount()
 163 {
 164     return 0;
 165 }
 166
 167 /* static */
 168 int wxDisplayBase::GetFromPoint ( const wxPoint& pt )
 169 {
 170     return 0;
 171 }
 172
 173 /* static */
 174 int wxDisplayBase::GetFromWindow(wxWindow *window)
 175 {
 176     return 0;
 177 }
 178
 179 // ----------------------------------------------------------------------------
 180 // wxDisplay ctor/dtor
 181 // ----------------------------------------------------------------------------
 182
 183 wxDisplay::wxDisplay ( size_t n )
 184          : wxDisplayBase ( n )
 185 {
 186 }
 187
 188 wxDisplay::~wxDisplay()
 189 {
 190 }
 191
 192 // ----------------------------------------------------------------------------
 193 // wxDisplay simple accessors
 194 // ----------------------------------------------------------------------------
 195
 196 bool wxDisplay::IsOk() const
 197 {
 198     return false;
 199 }
 200
 201 wxRect wxDisplay::GetGeometry() const
 202 {
 203     wxRect rect;
 204
 205     return rect;
 206 }
 207
 208 wxString wxDisplay::GetName() const
 209 {
 210     wxString ret;
 211
 212     return ret;
 213 }
 214
 215 wxString wxDisplay::GetNameForEnumSettings() const
 216 {
 217     wxString ret;
 218
 219     return ret;
 220 }
 221
 222 // ----------------------------------------------------------------------------
 223 // video modes enumeration
 224 // ----------------------------------------------------------------------------
 225
 226 wxArrayVideoModes
 227 wxDisplay::DoGetModesDirectX(const wxVideoMode& WXUNUSED(modeMatch)) const
 228 {
 229     wxArrayVideoModes modes;
 230
 231     return modes;
 232 }
 233
 234 wxArrayVideoModes
 235 wxDisplay::DoGetModesWindows(const wxVideoMode& modeMatch) const
 236 {
 237     wxArrayVideoModes modes;
 238
 239     return modes;
 240 }
 241
 242 wxArrayVideoModes wxDisplay::GetModes(const wxVideoMode& modeMatch) const
 243 {
 244     return gs_useDirectX ? DoGetModesDirectX(modeMatch)
 245                          : DoGetModesWindows(modeMatch);
 246 }
 247
 248 wxVideoMode wxDisplay::GetCurrentMode() const
 249 {
 250     wxVideoMode mode;
 251
 252     return mode;
 253 }
 254
 255 // ----------------------------------------------------------------------------
 256 // video mode switching
 257 // ----------------------------------------------------------------------------
 258
 259 bool wxDisplay::DoChangeModeDirectX(const wxVideoMode& mode)
 260 {
 261     return false;
 262 }
 263
 264 bool wxDisplay::DoChangeModeWindows(const wxVideoMode& mode)
 265 {
 266     return false;
 267 }
 268
 269 bool wxDisplay::ChangeMode(const wxVideoMode& mode)
 270 {
 271     return gs_useDirectX ? DoChangeModeDirectX(mode)
 272                          : DoChangeModeWindows(mode);
 273 }
 274
 275 #endif // wxUSE_DISPLAY
 276