src/dfb/utils.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/dfb/utils.cpp
   3 // Purpose:     Miscellaneous utility functions and classes
   4 // Author:      Vaclav Slavik
   5 // Created:     2006-08-08
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2006 REA Elektronik GmbH
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #include "wx/utils.h"
  19 #include "wx/apptrait.h"
  20 #include "wx/unix/execute.h"
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/app.h"
  24 #endif
  25
  26 #include "wx/dfb/private.h"
  27 #include <directfb_version.h>
  28
  29 // ----------------------------------------------------------------------------
  30 // toolkit info
  31 // ----------------------------------------------------------------------------
  32
  33 wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
  34 {
  35     if ( verMaj ) *verMaj = DIRECTFB_MAJOR_VERSION;
  36     if ( verMin ) *verMaj = DIRECTFB_MINOR_VERSION;
  37
  38     return wxPORT_DFB;
  39 }
  40
  41 // ----------------------------------------------------------------------------
  42 // display characteristics
  43 // ----------------------------------------------------------------------------
  44
  45 bool wxColourDisplay()
  46 {
  47     #warning "FIXME: wxColourDisplay"
  48     return true;
  49 }
  50
  51 int wxDisplayDepth()
  52 {
  53     return wxTheApp->GetDisplayMode().bpp;
  54 }
  55
  56 void wxDisplaySize(int *width, int *height)
  57 {
  58     wxVideoMode mode(wxTheApp->GetDisplayMode());
  59     if ( width ) *width = mode.w;
  60     if ( height ) *height = mode.h;
  61 }
  62
  63 void wxDisplaySizeMM(int *width, int *height)
  64 {
  65     // FIXME: there's no way to get physical resolution using the DirectDB
  66     //        API, we hardcode a commonly used value of 72dpi
  67     #define DPI          72.0
  68     #define PX_TO_MM(x)  (int(((x) / DPI) * inches2mm))
  69
  70     wxDisplaySize(width, height);
  71     if ( width ) *width = PX_TO_MM(*width);
  72     if ( height ) *height = PX_TO_MM(*height);
  73
  74     #undef DPI
  75     #undef PX_TO_MM
  76 }
  77
  78 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
  79 {
  80     // return desktop dimensions minus any panels, menus, trays:
  81     if (x) *x = 0;
  82     if (y) *y = 0;
  83     wxDisplaySize(width, height);
  84 }
  85
  86 //-----------------------------------------------------------------------------
  87 // surface manipulation helpers
  88 //-----------------------------------------------------------------------------
  89
  90 IDirectFBSurfacePtr wxDfbCloneSurface(const IDirectFBSurfacePtr& s,
  91                                       wxDfbCloneSurfaceMode mode)
  92 {
  93     if ( !s )
  94         return NULL;
  95
  96     DFBSurfaceDescription desc;
  97     desc.flags = (DFBSurfaceDescriptionFlags)(
  98             DSDESC_CAPS | DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT);
  99     s->GetCapabilities(s, &desc.caps);
 100     s->GetSize(s, &desc.width, &desc.height);
 101     s->GetPixelFormat(s, &desc.pixelformat);
 102
 103     IDirectFBPtr dfb(wxTheApp->GetDirectFBInterface());
 104
 105     IDirectFBSurfacePtr snew;
 106     if ( !DFB_CALL( dfb->CreateSurface(dfb, &desc, &snew) ) )
 107         return NULL;
 108
 109     IDirectFBPalettePtr pal;
 110     if ( s->GetPalette(s, &pal) == DFB_OK )
 111     {
 112         if ( !DFB_CALL( snew->SetPalette(snew, pal) ) )
 113             return NULL;
 114     }
 115
 116     if ( mode == wxDfbCloneSurface_CopyPixels )
 117     {
 118         if ( !DFB_CALL( snew->SetBlittingFlags(snew, DSBLIT_NOFX) ) )
 119             return NULL;
 120         if ( !DFB_CALL( snew->Blit(snew, s, NULL, 0, 0) ) )
 121             return NULL;
 122     }
 123
 124     return snew;
 125 }
 126
 127 int wxDfbGetSurfaceDepth(const IDirectFBSurfacePtr& s)
 128 {
 129     wxCHECK_MSG( s, -1, _T("invalid surface") );
 130
 131     DFBSurfacePixelFormat format = DSPF_UNKNOWN;
 132
 133     if ( !DFB_CALL( s->GetPixelFormat(s, &format) ) )
 134         return -1;
 135
 136     return DFB_BITS_PER_PIXEL(format);
 137 }
 138
 139 IDirectFBDisplayLayerPtr wxDfbGetDisplayLayer()
 140 {
 141     IDirectFBPtr dfb(wxTheApp->GetDirectFBInterface());
 142
 143     IDirectFBDisplayLayerPtr layer;
 144     if ( !DFB_CALL( dfb->GetDisplayLayer(dfb, DLID_PRIMARY, &layer) ) )
 145         return NULL;
 146
 147     return layer;
 148 }
 149
 150 IDirectFBSurfacePtr wxDfbGetPrimarySurface()
 151 {
 152     IDirectFBDisplayLayerPtr layer(wxDfbGetDisplayLayer());
 153     IDirectFBSurfacePtr surface;
 154     DFB_CALL( layer->GetSurface(layer, &surface) );
 155     return surface;
 156 }
 157
 158
 159 //-----------------------------------------------------------------------------
 160 // mouse
 161 //-----------------------------------------------------------------------------
 162
 163 void wxGetMousePosition(int *x, int *y)
 164 {
 165     IDirectFBDisplayLayerPtr layer(wxDfbGetDisplayLayer());
 166     DFB_CALL( layer->GetCursorPosition(layer, x, y) );
 167 }
 168
 169 wxPoint wxGetMousePosition()
 170 {
 171     wxPoint pt;
 172     wxGetMousePosition(&pt.x, &pt.y);
 173     return pt;
 174 }
 175
 176 //-----------------------------------------------------------------------------
 177 // keyboard
 178 //-----------------------------------------------------------------------------
 179
 180 bool wxGetKeyState(wxKeyCode key)
 181 {
 182     wxASSERT_MSG(key != WXK_LBUTTON && key != WXK_RBUTTON && key != WXK_MBUTTON,
 183                  _T("can't use wxGetKeyState() for mouse buttons"));
 184
 185     return false; // FIXME
 186 }
 187
 188 //----------------------------------------------------------------------------
 189 // misc.
 190 //----------------------------------------------------------------------------
 191
 192 void wxBell()
 193 {
 194 }
 195
 196 int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)
 197 {
 198     wxFAIL_MSG( _T("wxAddProcessCallback not implemented") );
 199     return 0;
 200 }