src/msw/accel.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        accel.cpp
   3 // Purpose:     wxAcceleratorTable
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "accel.h"
  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 <stdio.h>
  25 #include "wx/setup.h"
  26 #include "wx/window.h"
  27 #endif
  28
  29 #include "wx/msw/accel.h"
  30
  31 #include "wx/msw/private.h"
  32
  33 #if !USE_SHARED_LIBRARIES
  34 IMPLEMENT_DYNAMIC_CLASS(wxAcceleratorTable, wxObject)
  35 #endif
  36
  37 class WXDLLEXPORT wxAcceleratorRefData: public wxObjectRefData
  38 {
  39     friend class WXDLLEXPORT wxAcceleratorTable;
  40 public:
  41     wxAcceleratorRefData();
  42     ~wxAcceleratorRefData();
  43
  44     inline HACCEL GetHACCEL() const { return m_hAccel; }
  45 protected:
  46     HACCEL      m_hAccel;
  47     bool        m_ok;
  48 };
  49
  50 #define M_ACCELDATA ((wxAcceleratorRefData *)m_refData)
  51
  52 wxAcceleratorRefData::wxAcceleratorRefData()
  53 {
  54   m_ok = FALSE;
  55   m_hAccel = 0;
  56 }
  57
  58 wxAcceleratorRefData::~wxAcceleratorRefData()
  59 {
  60   if (m_hAccel)
  61   {
  62     // This function not available in WIN16
  63 #if !defined(__WIN16__) && !defined(__TWIN32__)
  64     DestroyAcceleratorTable((HACCEL) m_hAccel);
  65 #endif
  66   }
  67   m_hAccel = 0 ;
  68 }
  69
  70 wxAcceleratorTable::wxAcceleratorTable()
  71 {
  72   m_refData = NULL;
  73 }
  74
  75 wxAcceleratorTable::~wxAcceleratorTable()
  76 {
  77 }
  78
  79 // Load from .rc resource
  80 wxAcceleratorTable::wxAcceleratorTable(const wxString& resource)
  81 {
  82     m_refData = new wxAcceleratorRefData;
  83
  84     HACCEL hAccel =
  85 #if defined(__WIN32__) && !defined(__TWIN32__)
  86 #ifdef UNICODE
  87         ::LoadAcceleratorsW(wxGetInstance(), (const wxChar *)resource);
  88 #else
  89         ::LoadAcceleratorsA(wxGetInstance(), (const char *)resource);
  90 #endif
  91 #else
  92         ::LoadAccelerators(wxGetInstance(), (const wxChar *)resource);
  93 #endif
  94     M_ACCELDATA->m_hAccel = hAccel;
  95     M_ACCELDATA->m_ok = (hAccel != 0);
  96 }
  97
  98 extern int wxCharCodeWXToMSW(int id, bool *isVirtual);
  99
 100 // Create from an array
 101 #if !defined(__WIN16__) && !defined(__TWIN32__) && !defined(__WXWINE__)
 102 wxAcceleratorTable::wxAcceleratorTable(int n, const wxAcceleratorEntry entries[])
 103 {
 104     // Not available in WIN16
 105     m_refData = new wxAcceleratorRefData;
 106
 107     ACCEL* arr = new ACCEL[n];
 108     int i;
 109     for (i = 0; i < n; i++)
 110     {
 111         BYTE fVirt = 0;
 112         if (entries[i].m_flags & wxACCEL_ALT)
 113             fVirt |= FALT;
 114         if (entries[i].m_flags & wxACCEL_SHIFT)
 115             fVirt |= FSHIFT;
 116         if (entries[i].m_flags & wxACCEL_CTRL)
 117             fVirt |= FCONTROL;
 118
 119         bool isVirtual;
 120         WORD key = wxCharCodeWXToMSW(entries[i].m_keyCode, & isVirtual);
 121         fVirt |= FVIRTKEY;
 122
 123         WORD cmd = entries[i].m_command;
 124
 125         arr[i].fVirt = fVirt;
 126         arr[i].key = key;
 127         arr[i].cmd = cmd;
 128     }
 129
 130     M_ACCELDATA->m_hAccel = ::CreateAcceleratorTable(arr, n);
 131     delete[] arr;
 132
 133     M_ACCELDATA->m_ok = (M_ACCELDATA->m_hAccel != 0);
 134 }
 135 #else // Win16
 136 wxAcceleratorTable::wxAcceleratorTable(int WXUNUSED(n), const wxAcceleratorEntry WXUNUSED(entries)[])
 137 {
 138     // No, we simply gracefully degrade; we don't expect the
 139     // developer to pepper their code with #ifdefs just for this.
 140     // wxFAIL_MSG("not implemented");
 141 }
 142 #endif // Win32/16
 143
 144 bool wxAcceleratorTable::Ok() const
 145 {
 146     return (M_ACCELDATA && (M_ACCELDATA->m_ok));
 147 }
 148
 149 void wxAcceleratorTable::SetHACCEL(WXHACCEL hAccel)
 150 {
 151     if (!M_ACCELDATA)
 152         m_refData = new wxAcceleratorRefData;
 153
 154     M_ACCELDATA->m_hAccel = (HACCEL) hAccel;
 155 }
 156
 157 WXHACCEL wxAcceleratorTable::GetHACCEL() const
 158 {
 159     if (!M_ACCELDATA)
 160         return 0;
 161     return (WXHACCEL) M_ACCELDATA->m_hAccel;
 162 }
 163
 164 bool wxAcceleratorTable::Translate(wxWindow *window, WXMSG *wxmsg) const
 165 {
 166     MSG *msg = (MSG *)wxmsg;
 167
 168     return Ok() && ::TranslateAccelerator(GetHwndOf(window), GetHaccel(), msg); }