src/msw/accel.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/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 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_ACCEL
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/window.h"
  31 #endif
  32
  33 #include "wx/accel.h"
  34
  35 #include "wx/msw/private.h"
  36 #include "wx/msw/private/keyboard.h"
  37
  38 IMPLEMENT_DYNAMIC_CLASS(wxAcceleratorTable, wxObject)
  39
  40 // ----------------------------------------------------------------------------
  41 // data defining wxAcceleratorTable
  42 // ----------------------------------------------------------------------------
  43
  44 class WXDLLEXPORT wxAcceleratorRefData: public wxObjectRefData
  45 {
  46     friend class WXDLLIMPEXP_FWD_CORE wxAcceleratorTable;
  47 public:
  48     wxAcceleratorRefData();
  49     virtual ~wxAcceleratorRefData();
  50
  51     inline HACCEL GetHACCEL() const { return m_hAccel; }
  52 protected:
  53     HACCEL      m_hAccel;
  54     bool        m_ok;
  55
  56     wxDECLARE_NO_COPY_CLASS(wxAcceleratorRefData);
  57 };
  58
  59 // ============================================================================
  60 // implementation
  61 // ============================================================================
  62
  63 // ----------------------------------------------------------------------------
  64 // wxAcceleratorRefData
  65 // ----------------------------------------------------------------------------
  66
  67 #define M_ACCELDATA ((wxAcceleratorRefData *)m_refData)
  68
  69 wxAcceleratorRefData::wxAcceleratorRefData()
  70 {
  71     m_ok = false;
  72     m_hAccel = 0;
  73 }
  74
  75 wxAcceleratorRefData::~wxAcceleratorRefData()
  76 {
  77     if (m_hAccel)
  78     {
  79         DestroyAcceleratorTable((HACCEL) m_hAccel);
  80     }
  81 }
  82
  83 // ----------------------------------------------------------------------------
  84 // wxAcceleratorTable
  85 // ----------------------------------------------------------------------------
  86
  87 // Load from .rc resource
  88 wxAcceleratorTable::wxAcceleratorTable(const wxString& resource)
  89 {
  90     m_refData = new wxAcceleratorRefData;
  91
  92     HACCEL hAccel = ::LoadAccelerators(wxGetInstance(), resource.wx_str());
  93     M_ACCELDATA->m_hAccel = hAccel;
  94     M_ACCELDATA->m_ok = hAccel != 0;
  95 }
  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 = FVIRTKEY;
 108         if ( flags & wxACCEL_ALT )
 109             fVirt |= FALT;
 110         if ( flags & wxACCEL_SHIFT )
 111             fVirt |= FSHIFT;
 112         if ( flags & wxACCEL_CTRL )
 113             fVirt |= FCONTROL;
 114
 115         WORD key = wxMSWKeyboard::WXToVK(entries[i].GetKeyCode());
 116
 117         arr[i].fVirt = fVirt;
 118         arr[i].key = key;
 119         arr[i].cmd = (WORD)entries[i].GetCommand();
 120     }
 121
 122     M_ACCELDATA->m_hAccel = ::CreateAcceleratorTable(arr, n);
 123     delete[] arr;
 124
 125     M_ACCELDATA->m_ok = (M_ACCELDATA->m_hAccel != 0);
 126 }
 127
 128 bool wxAcceleratorTable::IsOk() const
 129 {
 130     return (M_ACCELDATA && (M_ACCELDATA->m_ok));
 131 }
 132
 133 void wxAcceleratorTable::SetHACCEL(WXHACCEL hAccel)
 134 {
 135     if (!M_ACCELDATA)
 136         m_refData = new wxAcceleratorRefData;
 137
 138     M_ACCELDATA->m_hAccel = (HACCEL) hAccel;
 139 }
 140
 141 WXHACCEL wxAcceleratorTable::GetHACCEL() const
 142 {
 143     if (!M_ACCELDATA)
 144         return 0;
 145     return (WXHACCEL) M_ACCELDATA->m_hAccel;
 146 }
 147
 148 bool wxAcceleratorTable::Translate(wxWindow *window, WXMSG *wxmsg) const
 149 {
 150     MSG *msg = (MSG *)wxmsg;
 151     return Ok() && ::TranslateAccelerator(GetHwndOf(window), GetHaccel(), msg);
 152 }
 153
 154 #endif // wxUSE_ACCEL
 155