src/os2/menuitem.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        menuitem.cpp
   3 // Purpose:     wxMenuItem implementation
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/10/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // headers & declarations
  14 // ============================================================================
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifndef WX_PRECOMP
  20     #include "wx/font.h"
  21     #include "wx/bitmap.h"
  22     #include "wx/settings.h"
  23     #include "wx/font.h"
  24     #include "wx/window.h"
  25     #include "wx/accel.h"
  26     #include "wx/menu.h"
  27     #include "wx/string.h"
  28 #endif
  29
  30 #include "wx/ownerdrw.h"
  31 #include "wx/menuitem.h"
  32 #include "wx/log.h"
  33
  34 #include "wx/os2/private.h"
  35
  36 // ---------------------------------------------------------------------------
  37 // convenience macro
  38 // ---------------------------------------------------------------------------
  39
  40 #define GetHMenuOf(menu)    ((HMENU)menu->GetHMenu())
  41
  42 // ============================================================================
  43 // implementation
  44 // ============================================================================
  45
  46 // ----------------------------------------------------------------------------
  47 // dynamic classes implementation
  48 // ----------------------------------------------------------------------------
  49
  50 #if     !defined(USE_SHARED_LIBRARY) || !USE_SHARED_LIBRARY
  51 #if wxUSE_OWNER_DRAWN
  52   IMPLEMENT_DYNAMIC_CLASS2(wxMenuItem, wxObject, wxOwnerDrawn)
  53 #else   //!USE_OWNER_DRAWN
  54   IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
  55 #endif  //USE_OWNER_DRAWN
  56
  57 #endif  //USE_SHARED_LIBRARY
  58
  59 // ----------------------------------------------------------------------------
  60 // wxMenuItem
  61 // ----------------------------------------------------------------------------
  62
  63 // ctor & dtor
  64 // -----------
  65
  66 wxMenuItem::wxMenuItem(wxMenu *pParentMenu, int id,
  67                        const wxString& strName, const wxString& strHelp,
  68                        bool bCheckable,
  69                        wxMenu *pSubMenu) :
  70 #if wxUSE_OWNER_DRAWN
  71                         wxOwnerDrawn(strName, bCheckable),
  72 #else   //no owner drawn support
  73                         m_bCheckable(bCheckable),
  74                         m_strName(strName),
  75 #endif  //owner drawn
  76                         m_strHelp(strHelp)
  77 {
  78     wxASSERT_MSG( pParentMenu != NULL, wxT("a menu item should have a parent") );
  79
  80 #if  wxUSE_OWNER_DRAWN
  81     // set default menu colors
  82     #define SYS_COLOR(c) (wxSystemSettings::GetSystemColour(wxSYS_COLOUR_##c))
  83
  84     SetTextColour(SYS_COLOR(MENUTEXT));
  85     SetBackgroundColour(SYS_COLOR(MENU));
  86
  87     // we don't want normal items be owner-drawn
  88     ResetOwnerDrawn();
  89
  90     #undef  SYS_COLOR
  91 #endif
  92
  93     m_pParentMenu = pParentMenu;
  94     m_pSubMenu    = pSubMenu;
  95     m_bEnabled    = TRUE;
  96     m_bChecked    = FALSE;
  97     m_idItem      = id;
  98 }
  99
 100 wxMenuItem::~wxMenuItem()
 101 {
 102 }
 103
 104 // misc
 105 // ----
 106
 107 // return the id for calling Win32 API functions
 108 int wxMenuItem::GetRealId() const
 109 {
 110     return m_pSubMenu ? (int)m_pSubMenu->GetHMenu() : GetId();
 111 }
 112
 113 // delete the sub menu
 114 // -------------------
 115 void wxMenuItem::DeleteSubMenu()
 116 {
 117     delete m_pSubMenu;
 118     m_pSubMenu = NULL;
 119 }
 120
 121 // change item state
 122 // -----------------
 123
 124 void wxMenuItem::Enable(bool bDoEnable)
 125 {
 126     // TODO:
 127 /*
 128     if ( m_bEnabled != bDoEnable ) {
 129         long rc = EnableMenuItem(GetHMenuOf(m_pParentMenu),
 130                                  GetRealId(),
 131                                  MF_BYCOMMAND |
 132                                  (bDoEnable ? MF_ENABLED : MF_GRAYED));
 133
 134         if ( rc == -1 ) {
 135             wxLogLastError("EnableMenuItem");
 136         }
 137
 138         m_bEnabled = bDoEnable;
 139     }
 140 */
 141 }
 142
 143 void wxMenuItem::Check(bool bDoCheck)
 144 {
 145     wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") );
 146
 147     // TODO:
 148 /*
 149     if ( m_bChecked != bDoCheck ) {
 150         long rc = CheckMenuItem(GetHMenuOf(m_pParentMenu),
 151                                 GetId(),
 152                                 MF_BYCOMMAND |
 153                                 (bDoCheck ? MF_CHECKED : MF_UNCHECKED));
 154
 155         if ( rc == -1 ) {
 156             wxLogLastError("CheckMenuItem");
 157         }
 158
 159         m_bChecked = bDoCheck;
 160     }
 161 */
 162 }
 163
 164 void wxMenuItem::SetName(const wxString& strName)
 165 {
 166     // don't do anything if label didn't change
 167     if ( m_strName == strName )
 168         return;
 169
 170     m_strName = strName;
 171
 172     HMENU hMenu = GetHMenuOf(m_pParentMenu);
 173
 174     UINT id = GetRealId();
 175
 176     // TODO:
 177 /*
 178     UINT flagsOld = ::GetMenuState(hMenu, id, MF_BYCOMMAND);
 179     if ( flagsOld == 0xFFFFFFFF )
 180     {
 181         wxLogLastError("GetMenuState");
 182     }
 183     else
 184     {
 185         if ( IsSubMenu() )
 186         {
 187             // high byte contains the number of items in a submenu for submenus
 188             flagsOld &= 0xFF;
 189             flagsOld |= MF_POPUP;
 190         }
 191
 192         LPCTSTR data;
 193 #if wxUSE_OWNER_DRAWN
 194         if ( IsOwnerDrawn() )
 195         {
 196             flagsOld |= MF_OWNERDRAW;
 197             data = (LPCTSTR)this;
 198         }
 199         else
 200 #endif  //owner drawn
 201         {
 202             flagsOld |= MF_STRING;
 203             data = strName;
 204         }
 205
 206         if ( ::ModifyMenu(hMenu, id,
 207                           MF_BYCOMMAND | flagsOld,
 208                           id, data) == 0xFFFFFFFF )
 209         {
 210             wxLogLastError(wxT("ModifyMenu"));
 211         }
 212     }
 213 */
 214 }
 215