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 // Copyright:   (c) Julian Smart
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 // For compilers that support precompilation, includes "wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #if wxUSE_ACCEL
  27
  28 #ifndef WX_PRECOMP
  29     #include "wx/window.h"
  30 #endif
  31
  32 #include "wx/accel.h"
  33
  34 #include "wx/msw/private.h"
  35 #include "wx/msw/private/keyboard.h"
  36
  37 IMPLEMENT_DYNAMIC_CLASS(wxAcceleratorTable, wxObject)
  38
  39 // ----------------------------------------------------------------------------
  40 // data defining wxAcceleratorTable
  41 // ----------------------------------------------------------------------------
  42
  43 class WXDLLEXPORT wxAcceleratorRefData: public wxObjectRefData
  44 {
  45     friend class WXDLLIMPEXP_FWD_CORE wxAcceleratorTable;
  46 public:
  47     wxAcceleratorRefData();
  48     virtual ~wxAcceleratorRefData();
  49
  50     inline HACCEL GetHACCEL() const { return m_hAccel; }
  51 protected:
  52     HACCEL      m_hAccel;
  53     bool        m_ok;
  54
  55     wxDECLARE_NO_COPY_CLASS(wxAcceleratorRefData);
  56 };
  57
  58 // ============================================================================
  59 // implementation
  60 // ============================================================================
  61
  62 // ----------------------------------------------------------------------------
  63 // wxAcceleratorRefData
  64 // ----------------------------------------------------------------------------
  65
  66 #define M_ACCELDATA ((wxAcceleratorRefData *)m_refData)
  67
  68 wxAcceleratorRefData::wxAcceleratorRefData()
  69 {
  70     m_ok = false;
  71     m_hAccel = 0;
  72 }
  73
  74 wxAcceleratorRefData::~wxAcceleratorRefData()
  75 {
  76     if (m_hAccel)
  77     {
  78         DestroyAcceleratorTable((HACCEL) m_hAccel);
  79     }
  80 }
  81
  82 // ----------------------------------------------------------------------------
  83 // wxAcceleratorTable
  84 // ----------------------------------------------------------------------------
  85
  86 // Load from .rc resource
  87 wxAcceleratorTable::wxAcceleratorTable(const wxString& resource)
  88 {
  89     m_refData = new wxAcceleratorRefData;
  90
  91     HACCEL hAccel = ::LoadAccelerators(wxGetInstance(), resource.t_str());
  92     M_ACCELDATA->m_hAccel = hAccel;
  93     M_ACCELDATA->m_ok = hAccel != 0;
  94 }
  95
  96 // Create from an array
  97 wxAcceleratorTable::wxAcceleratorTable(int n, const wxAcceleratorEntry entries[])
  98 {
  99     m_refData = new wxAcceleratorRefData;
 100
 101     ACCEL* arr = new ACCEL[n];
 102     for ( int i = 0; i < n; i++ )
 103     {
 104         int flags = entries[i].GetFlags();
 105
 106         BYTE fVirt = FVIRTKEY;
 107         if ( flags & wxACCEL_ALT )
 108             fVirt |= FALT;
 109         if ( flags & wxACCEL_SHIFT )
 110             fVirt |= FSHIFT;
 111         if ( flags & wxACCEL_CTRL )
 112             fVirt |= FCONTROL;
 113
 114         WORD key = wxMSWKeyboard::WXToVK(entries[i].GetKeyCode());
 115
 116         arr[i].fVirt = fVirt;
 117         arr[i].key = key;
 118         arr[i].cmd = (WORD)entries[i].GetCommand();
 119     }
 120
 121     M_ACCELDATA->m_hAccel = ::CreateAcceleratorTable(arr, n);
 122     delete[] arr;
 123
 124     M_ACCELDATA->m_ok = (M_ACCELDATA->m_hAccel != 0);
 125 }
 126
 127 bool wxAcceleratorTable::IsOk() const
 128 {
 129     return (M_ACCELDATA && (M_ACCELDATA->m_ok));
 130 }
 131
 132 void wxAcceleratorTable::SetHACCEL(WXHACCEL hAccel)
 133 {
 134     if (!M_ACCELDATA)
 135         m_refData = new wxAcceleratorRefData;
 136
 137     M_ACCELDATA->m_hAccel = (HACCEL) hAccel;
 138 }
 139
 140 WXHACCEL wxAcceleratorTable::GetHACCEL() const
 141 {
 142     if (!M_ACCELDATA)
 143         return 0;
 144     return (WXHACCEL) M_ACCELDATA->m_hAccel;
 145 }
 146
 147 bool wxAcceleratorTable::Translate(wxWindow *window, WXMSG *wxmsg) const
 148 {
 149     MSG *msg = (MSG *)wxmsg;
 150     return IsOk() && ::TranslateAccelerator(GetHwndOf(window), GetHaccel(), msg);
 151 }
 152
 153 #endif // wxUSE_ACCEL
 154