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 #ifndef __WXGTK20__
  30 #include "gtk/gtkfeatures.h"
  31 #endif
  32 #include "gdk/gdkx.h"
  33
  34 #ifdef HAVE_X11_XKBLIB_H
  35     /* under HP-UX and Solaris 2.6, at least, XKBlib.h defines structures with
  36      * field named "explicit" - which is, of course, an error for a C++
  37      * compiler. To be on the safe side, just redefine it everywhere. */
  38     #define explicit __wx_explicit
  39
  40     #include "X11/XKBlib.h"
  41
  42     #undef explicit
  43 #endif // HAVE_X11_XKBLIB_H
  44
  45 //-----------------------------------------------------------------------------
  46 // data
  47 //-----------------------------------------------------------------------------
  48
  49 extern GtkWidget *wxRootWindow;
  50
  51 //----------------------------------------------------------------------------
  52 // misc.
  53 //----------------------------------------------------------------------------
  54
  55 void wxBell()
  56 {
  57     gdk_beep();
  58 }
  59
  60 /* Don't synthesize KeyUp events holding down a key and producing
  61    KeyDown events with autorepeat. */
  62 #ifdef HAVE_X11_XKBLIB_H
  63 bool wxSetDetectableAutoRepeat( bool flag )
  64 {
  65     Bool result;
  66     XkbSetDetectableAutoRepeat( GDK_DISPLAY(), flag, &result );
  67     return result;       /* TRUE if keyboard hardware supports this mode */
  68 }
  69 #else
  70 bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) )
  71 {
  72     return FALSE;
  73 }
  74 #endif
  75
  76 // ----------------------------------------------------------------------------
  77 // display characterstics
  78 // ----------------------------------------------------------------------------
  79
  80 void *wxGetDisplay()
  81 {
  82     return GDK_DISPLAY();
  83 }
  84
  85 void wxDisplaySize( int *width, int *height )
  86 {
  87     if (width) *width = gdk_screen_width();
  88     if (height) *height = gdk_screen_height();
  89 }
  90
  91 void wxDisplaySizeMM( int *width, int *height )
  92 {
  93     if (width) *width = gdk_screen_width_mm();
  94     if (height) *height = gdk_screen_height_mm();
  95 }
  96
  97 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
  98 {
  99     // This is supposed to return desktop dimensions minus any window
 100     // manager panels, menus, taskbars, etc.  If there is a way to do that
 101     // for this platform please fix this function, otherwise it defaults
 102     // to the entire desktop.
 103     if (x) *x = 0;
 104     if (y) *y = 0;
 105     wxDisplaySize(width, height);
 106 }
 107
 108 void wxGetMousePosition( int* x, int* y )
 109 {
 110     gdk_window_get_pointer( (GdkWindow*) NULL, x, y, (GdkModifierType*) NULL );
 111 }
 112
 113 bool wxColourDisplay()
 114 {
 115     return TRUE;
 116 }
 117
 118 int wxDisplayDepth()
 119 {
 120     return gdk_window_get_visual( wxRootWindow->window )->depth;
 121 }
 122
 123 int wxGetOsVersion(int *majorVsn, int *minorVsn)
 124 {
 125   if (majorVsn) *majorVsn = GTK_MAJOR_VERSION;
 126   if (minorVsn) *minorVsn = GTK_MINOR_VERSION;
 127
 128   return wxGTK;
 129 }
 130
 131 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 132 {
 133     return wxGenericFindWindowAtPoint(pt);
 134 }
 135
 136
 137 // ----------------------------------------------------------------------------
 138 // subprocess routines
 139 // ----------------------------------------------------------------------------
 140
 141 static void GTK_EndProcessDetector(gpointer data, gint source,
 142                                    GdkInputCondition WXUNUSED(condition) )
 143 {
 144    wxEndProcessData *proc_data = (wxEndProcessData *)data;
 145    close(source);
 146    gdk_input_remove(proc_data->tag);
 147
 148    // This has to come after gdk_input_remove() or we will
 149    // occasionally receive multiple callbacks with corrupt data
 150    // pointers. (KB)
 151    wxHandleProcessTermination(proc_data);
 152 }
 153
 154 int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)
 155 {
 156     int tag = gdk_input_add(fd,
 157                             GDK_INPUT_READ,
 158                             GTK_EndProcessDetector,
 159                             (gpointer)proc_data);
 160
 161     return tag;
 162 }
 163