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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  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 "wx/window.h"
  25 #endif
  26
  27 #include "wx/accel.h"
  28
  29 #if wxUSE_ACCEL
  30
  31 #include "wx/msw/private.h"
  32
  33 IMPLEMENT_DYNAMIC_CLASS(wxAcceleratorTable, wxObject)
  34
  35 class WXDLLEXPORT wxAcceleratorRefData: public wxObjectRefData
  36 {
  37     friend class WXDLLEXPORT wxAcceleratorTable;
  38 public:
  39     wxAcceleratorRefData();
  40     ~wxAcceleratorRefData();
  41
  42     inline HACCEL GetHACCEL() const { return m_hAccel; }
  43 protected:
  44     HACCEL      m_hAccel;
  45     bool        m_ok;
  46
  47     DECLARE_NO_COPY_CLASS(wxAcceleratorRefData)
  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     DestroyAcceleratorTable((HACCEL) m_hAccel);
  63   }
  64   m_hAccel = 0 ;
  65 }
  66
  67 wxAcceleratorTable::wxAcceleratorTable()
  68 {
  69   m_refData = NULL;
  70 }
  71
  72 wxAcceleratorTable::~wxAcceleratorTable()
  73 {
  74 }
  75
  76 // Load from .rc resource
  77 wxAcceleratorTable::wxAcceleratorTable(const wxString& resource)
  78 {
  79     m_refData = new wxAcceleratorRefData;
  80
  81     HACCEL hAccel =
  82 #if defined(__WIN32__)
  83 #ifdef UNICODE
  84         ::LoadAcceleratorsW(wxGetInstance(), (const wxChar *)resource);
  85 #else
  86         ::LoadAcceleratorsA(wxGetInstance(), (const char *)resource);
  87 #endif
  88 #else
  89         ::LoadAccelerators(wxGetInstance(), (const wxChar *)resource);
  90 #endif
  91     M_ACCELDATA->m_hAccel = hAccel;
  92     M_ACCELDATA->m_ok = (hAccel != 0);
  93 }
  94
  95 extern WXWORD wxCharCodeWXToMSW(int id, bool *isVirtual);
  96
  97 // Create from an array
  98 wxAcceleratorTable::wxAcceleratorTable(int n, const wxAcceleratorEntry entries[])
  99 {
 100     m_refData = new wxAcceleratorRefData;
 101
 102     ACCEL* arr = new ACCEL[n];
 103     for ( int i = 0; i < n; i++ )
 104     {
 105         int flags = entries[i].GetFlags();
 106
 107         BYTE fVirt = 0;
 108         if ( flags & wxACCEL_ALT )
 109             fVirt |= FALT | FVIRTKEY;
 110         if ( flags & wxACCEL_SHIFT )
 111             fVirt |= FSHIFT | FVIRTKEY;
 112         if ( flags & wxACCEL_CTRL )
 113             fVirt |= FCONTROL | FVIRTKEY;
 114
 115         bool isVirtual;
 116
 117         WORD key = wxCharCodeWXToMSW(entries[i].GetKeyCode(), &isVirtual);
 118         if (isVirtual)
 119             fVirt |= FVIRTKEY;
 120
 121         arr[i].fVirt = fVirt;
 122         arr[i].key = key;
 123         arr[i].cmd = (WORD)entries[i].GetCommand();
 124     }
 125
 126     M_ACCELDATA->m_hAccel = ::CreateAcceleratorTable(arr, n);
 127     delete[] arr;
 128
 129     M_ACCELDATA->m_ok = (M_ACCELDATA->m_hAccel != 0);
 130 }
 131
 132 bool wxAcceleratorTable::Ok() const
 133 {
 134     return (M_ACCELDATA && (M_ACCELDATA->m_ok));
 135 }
 136
 137 void wxAcceleratorTable::SetHACCEL(WXHACCEL hAccel)
 138 {
 139     if (!M_ACCELDATA)
 140         m_refData = new wxAcceleratorRefData;
 141
 142     M_ACCELDATA->m_hAccel = (HACCEL) hAccel;
 143 }
 144
 145 WXHACCEL wxAcceleratorTable::GetHACCEL() const
 146 {
 147     if (!M_ACCELDATA)
 148         return 0;
 149     return (WXHACCEL) M_ACCELDATA->m_hAccel;
 150 }
 151
 152 bool wxAcceleratorTable::Translate(wxWindow *window, WXMSG *wxmsg) const
 153 {
 154     MSG *msg = (MSG *)wxmsg;
 155     return Ok() && ::TranslateAccelerator(GetHwndOf(window), GetHaccel(), msg);
 156 }
 157
 158 #endif