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/private.h"
  30 #include "wx/msw/accel.h"
  31
  32 #ifdef LoadAccelerators
  33 #undef LoadAccelerators
  34 #endif
  35
  36 #if !USE_SHARED_LIBRARIES
  37 IMPLEMENT_DYNAMIC_CLASS(wxAcceleratorTable, wxObject)
  38 #endif
  39
  40 class WXDLLEXPORT wxAcceleratorRefData: public wxObjectRefData
  41 {
  42     friend class WXDLLEXPORT wxAcceleratorTable;
  43 public:
  44     wxAcceleratorRefData(void);
  45     ~wxAcceleratorRefData(void);
  46
  47     inline HACCEL GetHACCEL() const { return m_hAccel; }
  48 protected:
  49     HACCEL      m_hAccel;
  50     bool        m_ok;
  51 };
  52
  53 #define M_ACCELDATA ((wxAcceleratorRefData *)m_refData)
  54
  55 wxAcceleratorRefData::wxAcceleratorRefData()
  56 {
  57   m_ok = FALSE;
  58   m_hAccel = 0;
  59 }
  60
  61 wxAcceleratorRefData::~wxAcceleratorRefData()
  62 {
  63   if (m_hAccel)
  64   {
  65     // This function not available in WIN16
  66 #ifndef __WIN16__
  67     DestroyAcceleratorTable((HACCEL) m_hAccel);
  68 #endif
  69   }
  70   m_hAccel = 0 ;
  71 }
  72
  73 wxAcceleratorTable::wxAcceleratorTable()
  74 {
  75   m_refData = NULL;
  76 }
  77
  78 wxAcceleratorTable::~wxAcceleratorTable()
  79 {
  80 }
  81
  82 // Load from .rc resource
  83 wxAcceleratorTable::wxAcceleratorTable(const wxString& resource)
  84 {
  85     m_refData = new wxAcceleratorRefData;
  86
  87     HACCEL hAccel =
  88 #ifdef __WIN32__
  89 #ifdef UNICODE
  90         ::LoadAcceleratorsW(wxGetInstance(), (const char *)resource);
  91 #else
  92         ::LoadAcceleratorsA(wxGetInstance(), (const char *)resource);
  93 #endif
  94 #else
  95         ::LoadAccelerators(wxGetInstance(), (const char *)resource);
  96 #endif
  97     M_ACCELDATA->m_hAccel = hAccel;
  98     M_ACCELDATA->m_ok = (hAccel != 0);
  99 }
 100
 101 extern int wxCharCodeWXToMSW(int id, bool *isVirtual);
 102
 103 // Create from an array
 104 wxAcceleratorTable::wxAcceleratorTable(int n, const wxAcceleratorEntry entries[])
 105 {
 106     // Not available in WIN16
 107 #ifndef __WIN16__
 108     m_refData = new wxAcceleratorRefData;
 109
 110     ACCEL* arr = new ACCEL[n];
 111     int i;
 112     for (i = 0; i < n; i++)
 113     {
 114         BYTE fVirt = 0;
 115         if (entries[i].m_flags & wxACCEL_ALT)
 116             fVirt |= FALT;
 117         if (entries[i].m_flags & wxACCEL_SHIFT)
 118             fVirt |= FSHIFT;
 119         if (entries[i].m_flags & wxACCEL_CTRL)
 120             fVirt |= FCONTROL;
 121
 122         bool isVirtual;
 123         WORD key = wxCharCodeWXToMSW(entries[i].m_keyCode, & isVirtual);
 124         fVirt |= FVIRTKEY;
 125
 126         WORD cmd = entries[i].m_command;
 127
 128         arr[i].fVirt = fVirt;
 129         arr[i].key = key;
 130         arr[i].cmd = cmd;
 131     }
 132
 133     M_ACCELDATA->m_hAccel = ::CreateAcceleratorTable(arr, n);
 134     delete[] arr;
 135
 136     M_ACCELDATA->m_ok = (M_ACCELDATA->m_hAccel != 0);
 137 #endif
 138 }
 139
 140 bool wxAcceleratorTable::Ok(void) const
 141 {
 142     return (M_ACCELDATA && (M_ACCELDATA->m_ok));
 143 }
 144
 145 void wxAcceleratorTable::SetHACCEL(WXHACCEL hAccel)
 146 {
 147     if (!M_ACCELDATA)
 148         m_refData = new wxAcceleratorRefData;
 149
 150     M_ACCELDATA->m_hAccel = (HACCEL) hAccel;
 151 }
 152
 153 WXHACCEL wxAcceleratorTable::GetHACCEL() const
 154 {
 155     if (!M_ACCELDATA)
 156         return 0;
 157     return (WXHACCEL) M_ACCELDATA->m_hAccel;
 158 }
 159