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 #endif
  27
  28 #include "wx/msw/private.h"
  29 #include "wx/msw/accel.h"
  30
  31 #ifdef LoadAccelerators
  32 #undef LoadAccelerators
  33 #endif
  34
  35 #if !USE_SHARED_LIBRARIES
  36 IMPLEMENT_DYNAMIC_CLASS(wxAcceleratorTable, wxObject)
  37 #endif
  38
  39 class WXDLLEXPORT wxAcceleratorRefData: public wxObjectRefData
  40 {
  41     friend class WXDLLEXPORT wxAcceleratorTable;
  42 public:
  43     wxAcceleratorRefData(void);
  44     ~wxAcceleratorRefData(void);
  45
  46     inline HACCEL GetHACCEL() const { return m_hAccel; }
  47 protected:
  48     HACCEL      m_hAccel;
  49     bool        m_ok;
  50 };
  51
  52 #define M_ACCELDATA ((wxAcceleratorRefData *)m_refData)
  53
  54 wxAcceleratorRefData::wxAcceleratorRefData()
  55 {
  56   m_ok = FALSE;
  57   m_hAccel = 0;
  58 }
  59
  60 wxAcceleratorRefData::~wxAcceleratorRefData()
  61 {
  62   if (m_hAccel)
  63   {
  64     DestroyAcceleratorTable((HACCEL) m_hAccel);
  65   }
  66   m_hAccel = 0 ;
  67 }
  68
  69 wxAcceleratorTable::wxAcceleratorTable()
  70 {
  71   m_refData = NULL;
  72 }
  73
  74 wxAcceleratorTable::~wxAcceleratorTable()
  75 {
  76 }
  77
  78 // Load from .rc resource
  79 wxAcceleratorTable::wxAcceleratorTable(const wxString& resource)
  80 {
  81     m_refData = new wxAcceleratorRefData;
  82
  83     HACCEL hAccel =
  84 #ifdef __WIN32__
  85 #ifdef UNICODE
  86         ::LoadAcceleratorsW(wxGetInstance(), (const char *)resource);
  87 #else
  88         ::LoadAcceleratorsA(wxGetInstance(), (const char *)resource);
  89 #endif
  90 #else
  91         ::LoadAccelerators(wxGetInstance(), (const char *)resource);
  92 #endif
  93     M_ACCELDATA->m_hAccel = hAccel;
  94     M_ACCELDATA->m_ok = (hAccel != 0);
  95 }
  96
  97 extern int wxCharCodeWXToMSW(int id, bool *isVirtual);
  98
  99 // Create from an array
 100 wxAcceleratorTable::wxAcceleratorTable(int n, wxAcceleratorEntry entries[])
 101 {
 102     m_refData = new wxAcceleratorRefData;
 103
 104     ACCEL* arr = new ACCEL[n];
 105     int i;
 106     for (i = 0; i < n; i++)
 107     {
 108         BYTE fVirt = 0;
 109         if (entries[i].m_flags & wxACCEL_ALT)
 110             fVirt |= FALT;
 111         if (entries[i].m_flags & wxACCEL_SHIFT)
 112             fVirt |= FSHIFT;
 113         if (entries[i].m_flags & wxACCEL_CTRL)
 114             fVirt |= FCONTROL;
 115
 116         bool isVirtual;
 117         WORD key = wxCharCodeWXToMSW(entries[i].m_keyCode, & isVirtual);
 118         fVirt |= FVIRTKEY;
 119
 120         WORD cmd = entries[i].m_command;
 121
 122         arr[i].fVirt = fVirt;
 123         arr[i].key = key;
 124         arr[i].cmd = cmd;
 125     }
 126
 127     M_ACCELDATA->m_hAccel = ::CreateAcceleratorTable(arr, n);
 128     delete[] arr;
 129
 130     M_ACCELDATA->m_ok = (M_ACCELDATA->m_hAccel != 0);
 131 }
 132
 133 bool wxAcceleratorTable::Ok(void) const
 134 {
 135     return (M_ACCELDATA && (M_ACCELDATA->m_ok));
 136 }
 137
 138 void wxAcceleratorTable::SetHACCEL(WXHACCEL hAccel)
 139 {
 140     if (!M_ACCELDATA)
 141         m_refData = new wxAcceleratorRefData;
 142
 143     M_ACCELDATA->m_hAccel = (HACCEL) hAccel;
 144 }
 145
 146 WXHACCEL wxAcceleratorTable::GetHACCEL() const
 147 {
 148     if (!M_ACCELDATA)
 149         return 0;
 150     return (WXHACCEL) M_ACCELDATA->m_hAccel;
 151 }
 152