src/msw/penwin.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        penwin.cpp
   3 // Purpose:     PenWindows code
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include "wx/setup.h"
  25 #include "wx/window.h"
  26 #endif
  27
  28 #include "wx/msw/private.h"
  29
  30 #if wxUSE_PENWINDOWS
  31
  32 #ifdef __BORLANDC__
  33 #define RPA_DEFAULT 1
  34 #else
  35 #include <penwin.h>
  36 #endif
  37
  38 HANDLE g_hPenWin = (HANDLE)NULL;
  39 typedef void (CALLBACK * PENREGPROC)(WORD,BOOL);
  40
  41 // The routine below allows Windows applications (binaries) to
  42 // support Pen input when running under Microsoft Windows for
  43 // Pen Computing 1.0 without need of the PenPalete.
  44 //
  45 // Should masked edit functions be added to wxWindows we would
  46 // be a new class of functions to support BEDIT controls.
  47 //
  48 // (The function is a NOOP for native Windows-NT)
  49 #ifndef __WIN32__
  50 static  void (CALLBACK * RegPenApp) (WORD, BOOL) = NULL;
  51 #endif
  52
  53 // Where is this called??
  54 void wxEnablePenAppHooks (bool hook)
  55 {
  56 #ifndef __WIN32__
  57   if (hook)
  58     {
  59       if (g_hPenWin)
  60         return;
  61
  62       ///////////////////////////////////////////////////////////////////////
  63       // If running on a Pen Windows system, register this app so all
  64       // EDIT controls in dialogs are replaced by HEDIT controls.
  65       if ((g_hPenWin = (HANDLE)GetSystemMetrics (SM_PENWINDOWS)) != (HANDLE) NULL)
  66         {
  67           // We do this fancy GetProcAddress simply because we don't
  68           // know if we're running Pen Windows.
  69           if ((RegPenApp = (PENREGPROC)GetProcAddress (g_hPenWin, "RegisterPenApp")) != NULL)
  70             (*RegPenApp) (RPA_DEFAULT, TRUE);
  71         }
  72     }
  73   else
  74     {
  75       ///////////////////////////////////////////////////////////////////////
  76       // If running on a Pen Windows system, unregister
  77       if (g_hPenWin)
  78         {
  79           // Unregister this app
  80           if (RegPenApp != NULL)
  81             (*RegPenApp) (RPA_DEFAULT, FALSE);
  82           g_hPenWin = (HANDLE) NULL;
  83         }
  84     }
  85 #endif  /* ! Windows-NT */
  86 }
  87
  88 #endif
  89   // End wxUSE_PENWINDOWS
  90
  91 void wxRegisterPenWin(void)
  92 {
  93 #if wxUSE_PENWINDOWS
  94 ///////////////////////////////////////////////////////////////////////
  95 // If running on a Pen Windows system, register this app so all
  96 // EDIT controls in dialogs are replaced by HEDIT controls.
  97 // (Notice the CONTROL statement in the RC file is "EDIT",
  98 // RegisterPenApp will automatically change that control to
  99 // an HEDIT.
 100   if ((g_hPenWin = (HANDLE)GetSystemMetrics(SM_PENWINDOWS)) != (HANDLE)NULL) {
 101     // We do this fancy GetProcAddress simply because we don't
 102     // know if we're running Pen Windows.
 103    if ( (RegPenApp = (void (CALLBACK *)(WORD, BOOL))GetProcAddress(g_hPenWin, "RegisterPenApp"))!= NULL)
 104      (*RegPenApp)(RPA_DEFAULT, TRUE);
 105   }
 106 ///////////////////////////////////////////////////////////////////////
 107 #endif
 108 }
 109
 110 void wxCleanUpPenWin(void)
 111 {
 112 #if wxUSE_PENWINDOWS
 113   if (g_hPenWin) {
 114     // Unregister this app
 115     if (RegPenApp != NULL)
 116         (*RegPenApp)(RPA_DEFAULT, FALSE);
 117   }
 118 #endif
 119 }
 120