src/os2/accel.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        accel.cpp
   3 // Purpose:     wxAcceleratorTable
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/13/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifndef WX_PRECOMP
  16 #include <stdio.h>
  17 #include "wx/setup.h"
  18 #include "wx/window.h"
  19 #include "wx/app.h"
  20 #include "wx/frame.h"
  21 #endif
  22
  23 #include "wx/os2/accel.h"
  24
  25 #include "wx/os2/private.h"
  26
  27
  28 IMPLEMENT_DYNAMIC_CLASS(wxAcceleratorTable, wxObject)
  29
  30 class WXDLLEXPORT wxAcceleratorRefData: public wxObjectRefData
  31 {
  32     friend class WXDLLEXPORT wxAcceleratorTable;
  33 public:
  34     wxAcceleratorRefData();
  35     ~wxAcceleratorRefData();
  36
  37     inline HACCEL GetHACCEL() const { return m_hAccel; }
  38 protected:
  39     HACCEL      m_hAccel;
  40     bool        m_ok;
  41 };
  42
  43 #define M_ACCELDATA ((wxAcceleratorRefData *)m_refData)
  44
  45 wxAcceleratorRefData::wxAcceleratorRefData()
  46 {
  47     m_ok = FALSE;
  48     m_hAccel = 0;
  49 } // end of wxAcceleratorRefData::wxAcceleratorRefData
  50
  51 wxAcceleratorRefData::~wxAcceleratorRefData()
  52 {
  53     if (m_hAccel)
  54     {
  55         WinDestroyAccelTable((HACCEL) m_hAccel);
  56     }
  57     m_hAccel = 0 ;
  58 } // end of wxAcceleratorRefData::~wxAcceleratorRefData
  59
  60 wxAcceleratorTable::wxAcceleratorTable()
  61 {
  62     m_refData = NULL;
  63 } // end of wxAcceleratorTable::wxAcceleratorTable
  64
  65 wxAcceleratorTable::~wxAcceleratorTable()
  66 {
  67 } // end of wxAcceleratorTable::~wxAcceleratorTable
  68
  69 // Load from .rc resource
  70 wxAcceleratorTable::wxAcceleratorTable(
  71   const wxString&                  rResource
  72 )
  73 {
  74     HACCEL                          hAccel;
  75     ULONG                           ulId;
  76
  77     m_refData = new wxAcceleratorRefData;
  78
  79     ulId = atol((char*)rResource.c_str());
  80     hAccel = ::WinLoadAccelTable( vHabmain
  81                                  ,NULL // resources always in .exe
  82                                  ,(ULONG)ulId
  83                                 );
  84     if (wxTheApp->GetTopWindow() != NULL)
  85     {
  86         //
  87         // If we have accelerators the top window is the frame
  88         //
  89         wxFrame*                    pFrame = (wxFrame*)wxTheApp->GetTopWindow();
  90
  91         ::WinSetAccelTable( vHabmain
  92                            ,(HWND)pFrame->GetFrame()
  93                            ,hAccel
  94                           );
  95     }
  96     M_ACCELDATA->m_hAccel = hAccel;
  97     M_ACCELDATA->m_ok = (hAccel != 0);
  98 }
  99
 100 extern int wxCharCodeWXToOS2(
 101   int                               nId
 102 , bool*                             pbIsVirtual
 103 );
 104
 105 // Create from an array
 106 wxAcceleratorTable::wxAcceleratorTable(
 107   int                               n
 108 , wxAcceleratorEntry                vaEntries[]
 109 )
 110 {
 111     int                             nAccelLength = ((sizeof(ACCEL) * n) + sizeof(ACCELTABLE));
 112     PACCELTABLE                     pArr;
 113     int                             i;
 114
 115     m_refData = new wxAcceleratorRefData;
 116     pArr = (PACCELTABLE) new BYTE[nAccelLength];
 117
 118     for (i = 0; i < n; i++)
 119     {
 120         USHORT                      uVirt = AF_CHAR;
 121
 122         if (vaEntries[i].GetFlags() & wxACCEL_ALT)
 123             uVirt |= AF_ALT;
 124         if (vaEntries[i].GetFlags() & wxACCEL_SHIFT)
 125             uVirt |= AF_SHIFT;
 126         if (vaEntries[i].GetFlags() & wxACCEL_CTRL)
 127             uVirt |= AF_CONTROL;
 128
 129         bool                        bIsVirtual;
 130         USHORT                      uKey = wxCharCodeWXToOS2( vaEntries[i].GetKeyCode()
 131                                                              ,&bIsVirtual
 132                                                             );
 133         if (bIsVirtual)
 134             uVirt = AF_CHAR | AF_VIRTUALKEY;
 135
 136         USHORT                      uCmd = vaEntries[i].GetCommand();
 137
 138         pArr->aaccel[i].fs  = uVirt;
 139         pArr->aaccel[i].key = uKey;
 140         pArr->aaccel[i].cmd = uCmd;
 141     }
 142     pArr->codepage = 437; // default to english Fix???
 143     pArr->cAccel = (USHORT)n;
 144     M_ACCELDATA->m_hAccel = ::WinCreateAccelTable( vHabmain
 145                                                   ,pArr
 146                                                  );
 147     if (wxTheApp->GetTopWindow() != NULL)
 148     {
 149         //
 150         // If we have accelerators the top window is the frame
 151         //
 152         wxFrame*                    pFrame = (wxFrame*)wxTheApp->GetTopWindow();
 153
 154         ::WinSetAccelTable( vHabmain
 155                            ,(HWND)pFrame->GetFrame()
 156                            ,M_ACCELDATA->m_hAccel
 157                           );
 158     }
 159
 160     delete[] pArr;
 161     M_ACCELDATA->m_ok = (M_ACCELDATA->m_hAccel != 0);
 162 } // end of wxAcceleratorTable::wxAcceleratorTable
 163
 164 bool wxAcceleratorTable::Ok() const
 165 {
 166     return(M_ACCELDATA && (M_ACCELDATA->m_ok));
 167 } // end of wxAcceleratorTable::Ok
 168
 169 void wxAcceleratorTable::SetHACCEL(WXHACCEL hAccel)
 170 {
 171     if (!M_ACCELDATA)
 172         m_refData = new wxAcceleratorRefData;
 173
 174     M_ACCELDATA->m_hAccel = (HACCEL) hAccel;
 175 }
 176
 177 WXHACCEL wxAcceleratorTable::GetHACCEL() const
 178 {
 179     if (!M_ACCELDATA)
 180         return 0;
 181     return (WXHACCEL) M_ACCELDATA->m_hAccel;
 182 }
 183
 184 bool wxAcceleratorTable::Translate(
 185   WXHWND                            hWnd
 186 , WXMSG*                            pWxmsg
 187 ) const
 188 {
 189     PQMSG                           pMsg = (PQMSG)pWxmsg;
 190
 191     return Ok() && ::WinTranslateAccel( vHabmain
 192                                        ,(HWND)hWnd
 193                                        ,GetHaccel()
 194                                        ,pMsg
 195                                        );
 196 } // end of wxAcceleratorTable::Translate
 197