src/gtk/utilsgtk.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        utils.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #include "wx/utils.h"
  11 #include "wx/string.h"
  12
  13 #include "wx/intl.h"
  14 #include "wx/log.h"
  15
  16 #include "wx/process.h"
  17
  18 #include "wx/unix/execute.h"
  19
  20 #include <stdarg.h>
  21 #include <string.h>
  22 #include <sys/stat.h>
  23 #include <sys/types.h>
  24 #include <unistd.h>
  25
  26 #include "glib.h"
  27 #include "gdk/gdk.h"
  28 #include "gtk/gtk.h"
  29 #include "gtk/gtkfeatures.h"
  30 #include "gdk/gdkx.h"
  31
  32 #ifdef HAVE_X11_XKBLIB_H
  33     /* under HP-UX and Solaris 2.6, at least, XKBlib.h defines structures with
  34      * field named "explicit" - which is, of course, an error for a C++
  35      * compiler. To be on the safe side, just redefine it everywhere. */
  36     #define explicit __wx_explicit
  37
  38     #include "X11/XKBlib.h"
  39
  40     #undef explicit
  41 #endif // HAVE_X11_XKBLIB_H
  42
  43 //-----------------------------------------------------------------------------
  44 // data
  45 //-----------------------------------------------------------------------------
  46
  47 extern GtkWidget *wxRootWindow;
  48
  49 //----------------------------------------------------------------------------
  50 // misc.
  51 //----------------------------------------------------------------------------
  52
  53 void wxBell()
  54 {
  55     gdk_beep();
  56 }
  57
  58 /* Don't synthesize KeyUp events holding down a key and producing
  59    KeyDown events with autorepeat. */
  60 #ifdef HAVE_X11_XKBLIB_H
  61 bool wxSetDetectableAutoRepeat( bool flag )
  62 {
  63     Bool result;
  64     XkbSetDetectableAutoRepeat( GDK_DISPLAY(), flag, &result );
  65     return result;       /* TRUE if keyboard hardware supports this mode */
  66 }
  67 #else
  68 bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) )
  69 {
  70     return FALSE;
  71 }
  72 #endif
  73
  74 // ----------------------------------------------------------------------------
  75 // display characterstics
  76 // ----------------------------------------------------------------------------
  77
  78 void *wxGetDisplay()
  79 {
  80     return gdk_display;
  81 }
  82
  83 void wxDisplaySize( int *width, int *height )
  84 {
  85     if (width) *width = gdk_screen_width();
  86     if (height) *height = gdk_screen_height();
  87 }
  88
  89 void wxGetMousePosition( int* x, int* y )
  90 {
  91     gdk_window_get_pointer( (GdkWindow*) NULL, x, y, (GdkModifierType*) NULL );
  92 }
  93
  94 bool wxColourDisplay()
  95 {
  96     return TRUE;
  97 }
  98
  99 int wxDisplayDepth()
 100 {
 101     return gdk_window_get_visual( wxRootWindow->window )->depth;
 102 }
 103
 104 int wxGetOsVersion(int *majorVsn, int *minorVsn)
 105 {
 106   if (majorVsn) *majorVsn = GTK_MAJOR_VERSION;
 107   if (minorVsn) *minorVsn = GTK_MINOR_VERSION;
 108
 109   return wxGTK;
 110 }
 111
 112 // ----------------------------------------------------------------------------
 113 // subprocess routines
 114 // ----------------------------------------------------------------------------
 115
 116 static void GTK_EndProcessDetector(gpointer data, gint source,
 117                                    GdkInputCondition WXUNUSED(condition) )
 118 {
 119    wxEndProcessData *proc_data = (wxEndProcessData *)data;
 120    close(source);
 121    gdk_input_remove(proc_data->tag);
 122
 123    // This has to come after gdk_input_remove() or we will
 124    // occasionally receive multiple callbacks with corrupt data
 125    // pointers. (KB)
 126    wxHandleProcessTermination(proc_data);
 127 }
 128
 129 int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)
 130 {
 131     int tag = gdk_input_add(fd,
 132                             GDK_INPUT_READ,
 133                             GTK_EndProcessDetector,
 134                             (gpointer)proc_data);
 135
 136     return tag;
 137 }
 138