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