src/mgl/utils.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mgl/utils.cpp
   3 // Purpose:
   4 // Author:      Vaclav Slavik
   5 // Id:          $Id$
   6 // Copyright:   (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #ifdef __BORLANDC__
  14     #pragma hdrstop
  15 #endif
  16
  17 #include "wx/utils.h"
  18
  19 #ifndef WX_PRECOMP
  20     #include "wx/string.h"
  21     #include "wx/intl.h"
  22     #include "wx/log.h"
  23 #endif
  24
  25 #include "wx/apptrait.h"
  26 #include "wx/process.h"
  27 #include "wx/evtloop.h"
  28
  29 #include <stdarg.h>
  30 #include <string.h>
  31 #include <sys/stat.h>
  32 #include <sys/types.h>
  33 #include <unistd.h>
  34 #include <mgraph.hpp>
  35
  36 #ifdef __UNIX__
  37 #include "wx/unix/execute.h"
  38 #endif
  39
  40 #include "wx/mgl/private.h"
  41
  42 //----------------------------------------------------------------------------
  43 // misc.
  44 //----------------------------------------------------------------------------
  45
  46 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
  47 wxMemorySize wxGetFreeMemory()
  48 {
  49     // TODO - probably should be extracted to
  50     //        src/msdos/utilsdos.cpp and src/unix/utilsunx.cpp
  51     //        to avoid code duplication
  52     return -1;
  53 }
  54
  55 void wxBell()
  56 {
  57     // FIXME_MGL
  58 }
  59
  60 bool wxGetKeyState(wxKeyCode key)
  61 {
  62     wxASSERT_MSG(key != WXK_LBUTTON && key != WXK_RBUTTON && key !=
  63         WXK_MBUTTON, wxT("can't use wxGetKeyState() for mouse buttons"));
  64
  65     // TODO
  66
  67     return false;
  68 }
  69
  70 // ----------------------------------------------------------------------------
  71 // display characterstics
  72 // ----------------------------------------------------------------------------
  73
  74 void wxDisplaySize(int *width, int *height)
  75 {
  76    wxASSERT_MSG( g_displayDC, wxT("You must call wxApp::SetDisplayMode before using this function") );
  77     if (width) *width = g_displayDC->sizex()+1;
  78     if (height) *height = g_displayDC->sizey()+1;
  79 }
  80
  81 void wxDisplaySizeMM(int *width, int *height)
  82 {
  83     wxASSERT_MSG( g_displayDC, wxT("You must call wxApp::SetDisplayMode before using this function") );
  84
  85     int xDPI, yDPI;
  86     MGL_getDotsPerInch(&xDPI, &yDPI);
  87
  88     if ( width )
  89         *width = (int)((g_displayDC->sizex()+1) * 25.4 / xDPI);
  90     if ( height )
  91         *height = (int)((g_displayDC->sizey()+1) * 25.4 / yDPI);
  92 }
  93
  94 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
  95 {
  96     if ( x ) *x = 0;
  97     if ( y ) *y = 0;
  98     wxDisplaySize(width, height);
  99     // FIXME_MGL - windowed version needs different handling
 100 }
 101
 102 bool wxColourDisplay()
 103 {
 104     wxASSERT_MSG( g_displayDC, wxT("You must call wxApp::SetDisplayMode before using this function") );
 105
 106     return (wxDisplayDepth() > 1);
 107 }
 108
 109 int wxDisplayDepth()
 110 {
 111     wxASSERT_MSG( g_displayDC, wxT("You must call wxApp::SetDisplayMode before using this function") );
 112
 113     return g_displayDC->getBitsPerPixel();
 114 }
 115
 116 wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
 117 {
 118     if ( verMaj )
 119         *verMaj = MGL_RELEASE_MAJOR;
 120     if ( verMin )
 121         *verMin = MGL_RELEASE_MINOR;
 122
 123     return wxPORT_MGL;
 124 }
 125
 126 wxEventLoopBase* wxGUIAppTraits::CreateEventLoop()
 127 {
 128     return new wxEventLoop;
 129 }
 130
 131
 132 void wxGetMousePosition(int* x, int* y)
 133 {
 134     MS_getPos(x, y);
 135 }
 136
 137 wxPoint wxGetMousePosition()
 138 {
 139     wxPoint pt;
 140     wxGetMousePosition(&pt.x, &pt.y);
 141     return pt;
 142 }
 143
 144 wxMouseState wxGetMouseState()
 145 {
 146     wxMouseState ms;
 147     int x, y;
 148
 149     wxGetMousePosition(&x, &y);
 150
 151     ms.SetX(x);
 152     ms.SetY(y);
 153
 154     extern unsigned long g_buttonState;
 155     ms.SetLeftDown(g_buttonState & EVT_LEFTBUT);
 156     ms.SetMiddleDown(g_buttonState & EVT_MIDDLEBUT);
 157     ms.SetRightDown(g_buttonState & EVT_RIGHTBUT);
 158
 159     ms.SetControlDown(EVT_isKeyDown(KB_leftCtrl) || EVT_isKeyDown(KB_rightCtrl));
 160     ms.SetShiftDown(EVT_isKeyDown(KB_leftShift) || EVT_isKeyDown(KB_rightShift));
 161     ms.SetAltDown(EVT_isKeyDown(KB_leftAlt));
 162     ms.SetMetaDown(EVT_isKeyDown(KB_rightAlt));
 163
 164     return ms;
 165 }
 166
 167
 168 #ifdef __UNIX__
 169
 170 int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)
 171 {
 172     wxFAIL_MSG(wxT("wxAddProcessCallback not implemented in wxMGL!"));
 173     return 0;
 174 #if 0 // FIXME_MGL -do we need it at all?
 175     int tag = gdk_input_add(fd,
 176                             GDK_INPUT_READ,
 177                             GTK_EndProcessDetector,
 178                             (gpointer)proc_data);
 179
 180     return tag;
 181 #endif
 182 }
 183
 184 #endif