src/mgl/utils.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        utils.cpp
   3 // Purpose:
   4 // Author:      Vaclav Slavik
   5 // Id:          $Id$
   6 // Copyright:   (c) 2001 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 #include "wx/string.h"
  19
  20 #include "wx/intl.h"
  21 #include "wx/log.h"
  22 #include "wx/process.h"
  23
  24 #include <stdarg.h>
  25 #include <string.h>
  26 #include <sys/stat.h>
  27 #include <sys/types.h>
  28 #include <unistd.h>
  29 #include <mgraph.hpp>
  30
  31 #ifdef __UNIX__
  32 #include "wx/unix/execute.h"
  33 #endif
  34
  35 #include "wx/mgl/private.h"
  36
  37 //----------------------------------------------------------------------------
  38 // misc.
  39 //----------------------------------------------------------------------------
  40
  41 void wxBell()
  42 {
  43     // FIXME_MGL
  44 }
  45
  46
  47 #ifdef __DOS__
  48 // VS: this should be in utilsdos.cpp, but since there will hardly ever
  49 //     be a non-MGL MS-DOS port...
  50
  51 void wxSleep(int nSecs)
  52 {
  53     wxUsleep(1000 * nSecs);
  54 }
  55
  56 void wxUsleep(unsigned long milliseconds)
  57 {
  58     PM_sleep(milliseconds);
  59 }
  60
  61
  62 bool wxGetEnv(const wxString& var, wxString *value)
  63 {
  64     // wxGetenv is defined as getenv()
  65     wxChar *p = wxGetenv(var);
  66     if ( !p )
  67         return FALSE;
  68
  69     if ( value )
  70         *value = p;
  71
  72     return TRUE;
  73 }
  74
  75 bool wxSetEnv(const wxString& variable, const wxChar *value)
  76 {
  77 #ifdef __WATCOMC__ // has putenv()
  78     wxString s = variable;
  79     if ( value )
  80         s << _T('=') << value;
  81
  82     // transform to ANSI
  83     const char *p = s.mb_str();
  84
  85     // the string will be free()d by libc
  86     char *buf = (char *)malloc(strlen(p) + 1);
  87     strcpy(buf, p);
  88
  89     return putenv(buf) == 0;
  90 #else // no way to set an env var
  91     #error "Don't know how to implement wxSetEnv on this platform!"
  92     return FALSE;
  93 #endif
  94 }
  95
  96 const wxChar* wxGetHomeDir(wxString *home)
  97 {
  98     *home = wxT(".");
  99     return home->c_str();
 100 }
 101
 102 const wxChar* wxGetUserHomeDir(wxString *home)
 103 {
 104     *home = wxT(".");
 105     return home->c_str();
 106 }
 107
 108 #if wxUSE_UNICODE
 109 const wxMB2WXbuf wxGetUserHome(const wxString &user)
 110 #else // just for binary compatibility -- there is no 'const' here
 111 wxChar *wxGetUserHome(const wxString &user)
 112 #endif
 113 {
 114     return wxT(".");
 115 }
 116
 117 void wxFatalError(const wxString &msg, const wxString &title)
 118 {
 119     if (!title.IsNull())
 120         wxFprintf( stderr, wxT("%s "), WXSTRINGCAST(title));
 121     PM_fatalError(msg.c_str());
 122 }
 123
 124 bool wxGetUserId(wxChar *WXUNUSED(buf), int WXUNUSED(sz))
 125 {
 126     wxFAIL_MSG( wxT("wxGetUserId not implemented under MS-DOS!") );
 127     return FALSE;
 128 }
 129
 130 bool wxGetUserName(wxChar *WXUNUSED(buf), int WXUNUSED(sz))
 131 {
 132     wxFAIL_MSG( wxT("wxGetUserName not implemented under MS-DOS!") );
 133     return FALSE;
 134 }
 135
 136 bool wxGetHostName(wxChar *WXUNUSED(buf), int WXUNUSED(sz))
 137 {
 138     wxFAIL_MSG( wxT("wxGetHostName not implemented under MS-DOS!") );
 139     return FALSE;
 140 }
 141
 142 bool wxGetFullHostName(wxChar *WXUNUSED(buf), int WXUNUSED(sz))
 143 {
 144     wxFAIL_MSG( wxT("wxGetFullHostName not implemented under MS-DOS!") );
 145     return FALSE;
 146 }
 147
 148 int wxKill(long WXUNUSED(pid), wxSignal WXUNUSED(sig), wxKillError *WXUNUSED(rc))
 149 {
 150     wxFAIL_MSG( wxT("wxKill not implemented under MS-DOS!") );
 151     return 0;
 152 }
 153
 154 long wxExecute(const wxString& WXUNUSED(command), bool WXUNUSED(sync), wxProcess *WXUNUSED(process))
 155 {
 156     wxFAIL_MSG( wxT("wxExecute not implemented under MS-DOS!") );
 157     return 0;
 158 }
 159
 160 long wxExecute(wxChar **WXUNUSED(argv), bool WXUNUSED(sync), wxProcess *WXUNUSED(process))
 161 {
 162     wxFAIL_MSG( wxT("wxExecute not implemented under MS-DOS!") );
 163     return 0;
 164 }
 165
 166
 167 #endif
 168
 169 // ----------------------------------------------------------------------------
 170 // display characterstics
 171 // ----------------------------------------------------------------------------
 172
 173 void wxDisplaySize(int *width, int *height)
 174 {
 175    wxASSERT_MSG( g_displayDC, wxT("You must call wxApp::SetDisplayMode before using this function") );
 176     if (width) *width = g_displayDC->sizex()+1;
 177     if (height) *height = g_displayDC->sizey()+1;
 178 }
 179
 180 void wxDisplaySizeMM(int *width, int *height)
 181 {
 182     wxASSERT_MSG( g_displayDC, wxT("You must call wxApp::SetDisplayMode before using this function") );
 183     if ( width )
 184         *width = (g_displayDC->sizex()+1) * 25/72;
 185     if ( height )
 186         *height = (g_displayDC->sizey()+1) * 25/72;
 187     // FIXME_MGL -- what about returning *real* monitor dimensions?
 188 }
 189
 190 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 191 {
 192     if ( x ) *x = 0;
 193     if ( y ) *y = 0;
 194     wxDisplaySize(width, height);
 195     // FIXME_MGL - windowed version needs different handling
 196 }
 197
 198 bool wxColourDisplay()
 199 {
 200     wxASSERT_MSG( g_displayDC, wxT("You must call wxApp::SetDisplayMode before using this function") );
 201
 202     return (wxDisplayDepth() > 1);
 203 }
 204
 205 int wxDisplayDepth()
 206 {
 207     wxASSERT_MSG( g_displayDC, wxT("You must call wxApp::SetDisplayMode before using this function") );
 208
 209     return g_displayDC->getBitsPerPixel();
 210 }
 211
 212 int wxGetOsVersion(int *majorVsn, int *minorVsn)
 213 {
 214     if ( majorVsn )
 215         *majorVsn = MGL_RELEASE_MAJOR;
 216     if ( minorVsn )
 217         *minorVsn = MGL_RELEASE_MINOR;
 218
 219 #if defined(__UNIX__)
 220     return wxMGL_UNIX;
 221 #elif defined(__OS2__)
 222     return wxMGL_OS2;
 223 #elif defined(__WIN32__)
 224     return wxMGL_WIN32;
 225 #elif defined(__DOS__)
 226     return wxMGL_DOS;
 227 #else
 228     #error Platform not supported by wxMGL!
 229 #endif
 230 }
 231
 232
 233 void wxGetMousePosition(int* x, int* y)
 234 {
 235     MS_getPos(x, y);
 236 }
 237
 238 wxPoint wxGetMousePosition()
 239 {
 240     wxPoint pt;
 241     wxGetMousePosition(&pt.x, &pt.y);
 242     return pt;
 243 }
 244
 245
 246
 247 #ifdef __UNIX__
 248
 249 int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)
 250 {
 251     wxFAIL_MSG(wxT("wxAddProcessCallback not implemented in wxMGL!"));
 252     return 0;
 253 #if 0 // FIXME_MGL -do we need it at all?
 254     int tag = gdk_input_add(fd,
 255                             GDK_INPUT_READ,
 256                             GTK_EndProcessDetector,
 257                             (gpointer)proc_data);
 258
 259     return tag;
 260 #endif
 261 }
 262
 263 #endif