windows/focus.c

   1 /*
   2  * Focus functions
   3  *
   4  * Copyright 1993 David Metcalfe
   5  */
   6
   7 static char Copyright[] = "Copyright  David Metcalfe, 1993";
   8
   9 #include <X11/Intrinsic.h>
  10 #include <X11/StringDefs.h>
  11 #include "win.h"
  12 #include "gdi.h"
  13
  14 HWND hWndFocus = 0;
  15
  16
  17 /*****************************************************************
  18  *               SetFocus            (USER.22)
  19  */
  20
  21 HWND SetFocus(HWND hwnd)
  22 {
  23     HWND hWndPrevFocus;
  24     WND *wndPtr;
  25
  26     hWndPrevFocus = hWndFocus;
  27
  28     if (hwnd == 0)
  29     {
  30         XSetInputFocus(XT_display, None, RevertToPointerRoot, CurrentTime);
  31     }
  32     else
  33     {
  34         wndPtr = WIN_FindWndPtr(hwnd);
  35         XSetInputFocus(XT_display, XtWindow(wndPtr->winWidget),
  36                        RevertToParent, CurrentTime);
  37     }
  38
  39     return hWndPrevFocus;
  40 }
  41
  42
  43 /*****************************************************************
  44  *               GetFocus            (USER.23)
  45  */
  46
  47 HWND GetFocus(void)
  48 {
  49     return hWndFocus;
  50 }
  51
  52