src/gtk1/utilsgtk.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk1/utilsgtk.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #include "wx/utils.h"
  14
  15 #ifndef WX_PRECOMP
  16     #include "wx/string.h"
  17     #include "wx/intl.h"
  18     #include "wx/log.h"
  19 #endif
  20
  21 #include "wx/apptrait.h"
  22 #include "wx/gtk1/private/timer.h"
  23 #include "wx/evtloop.h"
  24 #include "wx/process.h"
  25
  26 #include "wx/unix/execute.h"
  27
  28 #include <stdarg.h>
  29 #include <string.h>
  30 #include <sys/stat.h>
  31 #include <sys/types.h>
  32 #include <sys/wait.h>   // for WNOHANG
  33 #include <unistd.h>
  34
  35 #include "glib.h"
  36 #include "gdk/gdk.h"
  37 #include "gtk/gtk.h"
  38 #include "gtk/gtkfeatures.h"
  39 #include "gdk/gdkx.h"
  40
  41 #ifdef HAVE_X11_XKBLIB_H
  42     /* under HP-UX and Solaris 2.6, at least, XKBlib.h defines structures with
  43      * field named "explicit" - which is, of course, an error for a C++
  44      * compiler. To be on the safe side, just redefine it everywhere. */
  45     #define explicit __wx_explicit
  46
  47     #include "X11/XKBlib.h"
  48
  49     #undef explicit
  50 #endif // HAVE_X11_XKBLIB_H
  51
  52 //-----------------------------------------------------------------------------
  53 // data
  54 //-----------------------------------------------------------------------------
  55
  56 extern GtkWidget *wxGetRootWindow();
  57
  58 //----------------------------------------------------------------------------
  59 // misc.
  60 //----------------------------------------------------------------------------
  61
  62 void wxBell()
  63 {
  64     gdk_beep();
  65 }
  66
  67 /* Don't synthesize KeyUp events holding down a key and producing
  68    KeyDown events with autorepeat. */
  69 #ifdef HAVE_X11_XKBLIB_H
  70 bool wxSetDetectableAutoRepeat( bool flag )
  71 {
  72     Bool result;
  73     XkbSetDetectableAutoRepeat( GDK_DISPLAY(), flag, &result );
  74     return result;       /* true if keyboard hardware supports this mode */
  75 }
  76 #else
  77 bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) )
  78 {
  79     return false;
  80 }
  81 #endif
  82
  83 // ----------------------------------------------------------------------------
  84 // display characterstics
  85 // ----------------------------------------------------------------------------
  86
  87 void *wxGetDisplay()
  88 {
  89     return GDK_DISPLAY();
  90 }
  91
  92 void wxDisplaySize( int *width, int *height )
  93 {
  94     if (width) *width = gdk_screen_width();
  95     if (height) *height = gdk_screen_height();
  96 }
  97
  98 void wxDisplaySizeMM( int *width, int *height )
  99 {
 100     if (width) *width = gdk_screen_width_mm();
 101     if (height) *height = gdk_screen_height_mm();
 102 }
 103
 104 void wxGetMousePosition( int* x, int* y )
 105 {
 106     gdk_window_get_pointer( NULL, x, y, NULL );
 107 }
 108
 109 bool wxColourDisplay()
 110 {
 111     return true;
 112 }
 113
 114 int wxDisplayDepth()
 115 {
 116     return gdk_window_get_visual( wxGetRootWindow()->window )->depth;
 117 }
 118
 119 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 120 {
 121     return wxGenericFindWindowAtPoint(pt);
 122 }
 123
 124
 125 // ----------------------------------------------------------------------------
 126 // subprocess routines
 127 // ----------------------------------------------------------------------------
 128
 129 extern "C" {
 130 static
 131 void GTK_EndProcessDetector(gpointer data, gint source,
 132                             GdkInputCondition WXUNUSED(condition) )
 133 {
 134     wxEndProcessData * const
 135         proc_data = static_cast<wxEndProcessData *>(data);
 136
 137     // child exited, end waiting
 138     close(source);
 139
 140     // don't call us again!
 141     gdk_input_remove(proc_data->tag);
 142
 143     wxHandleProcessTermination(proc_data);
 144 }
 145 }
 146
 147 int wxGUIAppTraits::AddProcessCallback(wxEndProcessData *proc_data, int fd)
 148 {
 149     int tag = gdk_input_add(fd,
 150                             GDK_INPUT_READ,
 151                             GTK_EndProcessDetector,
 152                             (gpointer)proc_data);
 153
 154     return tag;
 155 }
 156
 157 #if wxUSE_TIMER
 158
 159 wxTimerImpl* wxGUIAppTraits::CreateTimerImpl(wxTimer *timer)
 160 {
 161     return new wxGTKTimerImpl(timer);
 162 }
 163
 164 #endif // wxUSE_TIMER
 165
 166 // ----------------------------------------------------------------------------
 167 // wxPlatformInfo-related
 168 // ----------------------------------------------------------------------------
 169
 170 wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
 171 {
 172     if ( verMaj )
 173         *verMaj = gtk_major_version;
 174     if ( verMin )
 175         *verMin = gtk_minor_version;
 176
 177     return wxPORT_GTK;
 178 }
 179
 180 wxEventLoopBase* wxGUIAppTraits::CreateEventLoop()
 181 {
 182     return new wxEventLoop;
 183 }
 184