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 #ifdef __GNUG__
  17     #pragma implementation "menuitem.h"
  18 #endif
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/font.h"
  25     #include "wx/bitmap.h"
  26     #include "wx/settings.h"
  27     #include "wx/font.h"
  28     #include "wx/window.h"
  29     #include "wx/accel.h"
  30     #include "wx/menu.h"
  31     #include "wx/string.h"
  32 #endif
  33
  34 #include "wx/menuitem.h"
  35 #include "wx/log.h"
  36
  37 #if wxUSE_ACCEL
  38     #include "wx/accel.h"
  39 #endif // wxUSE_ACCEL
  40
  41 #include "wx/os2/private.h"
  42
  43 // ---------------------------------------------------------------------------
  44 // macro
  45 // ---------------------------------------------------------------------------
  46
  47 // hide the ugly cast
  48 #define GetHMenuOf(menu)    ((HMENU)menu->GetHMenu())
  49
  50 // conditional compilation
  51 #if wxUSE_OWNER_DRAWN
  52     #define OWNER_DRAWN_ONLY( code ) if ( IsOwnerDrawn() ) code
  53 #else // !wxUSE_OWNER_DRAWN
  54     #define OWNER_DRAWN_ONLY( code )
  55 #endif // wxUSE_OWNER_DRAWN/!wxUSE_OWNER_DRAWN
  56
  57 // ============================================================================
  58 // implementation
  59 // ============================================================================
  60
  61 // ----------------------------------------------------------------------------
  62 // dynamic classes implementation
  63 // ----------------------------------------------------------------------------
  64
  65     #if wxUSE_OWNER_DRAWN
  66         IMPLEMENT_DYNAMIC_CLASS2(wxMenuItem, wxMenuItemBase, wxOwnerDrawn)
  67     #else   //!USE_OWNER_DRAWN
  68         IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxMenuItemBase)
  69     #endif  //USE_OWNER_DRAWN
  70
  71 // ----------------------------------------------------------------------------
  72 // wxMenuItem
  73 // ----------------------------------------------------------------------------
  74
  75 // ctor & dtor
  76 // -----------
  77
  78 wxMenuItem::wxMenuItem(wxMenu *pParentMenu,
  79                        int id,
  80                        const wxString& text,
  81                        const wxString& strHelp,
  82                        bool bCheckable,
  83                        wxMenu *pSubMenu)
  84 #if wxUSE_OWNER_DRAWN
  85                       :  wxOwnerDrawn(text, bCheckable)
  86 #endif // owner drawn
  87 {
  88     wxASSERT_MSG( pParentMenu != NULL, wxT("a menu item should have a parent") );
  89
  90 #if  wxUSE_OWNER_DRAWN
  91     // set default menu colors
  92     #define SYS_COLOR(c) (wxSystemSettings::GetSystemColour(wxSYS_COLOUR_##c))
  93
  94     SetTextColour(SYS_COLOR(MENUTEXT));
  95     SetBackgroundColour(SYS_COLOR(MENU));
  96
  97     // we don't want normal items be owner-drawn
  98     ResetOwnerDrawn();
  99
 100     #undef  SYS_COLOR
 101 #endif // wxUSE_OWNER_DRAWN
 102
 103     m_parentMenu  = pParentMenu;
 104     m_subMenu     = pSubMenu;
 105     m_isEnabled   = TRUE;
 106     m_isChecked   = FALSE;
 107     m_id          = id;
 108     m_text        = text;
 109     m_isCheckable = bCheckable;
 110     m_help        = strHelp;
 111 }
 112
 113 wxMenuItem::~wxMenuItem()
 114 {
 115 }
 116
 117 // misc
 118 // ----
 119
 120 // return the id for calling Win32 API functions
 121 int wxMenuItem::GetRealId() const
 122 {
 123     return m_subMenu ? (int)m_subMenu->GetHMenu() : GetId();
 124 }
 125
 126 // get item state
 127 // --------------
 128
 129 bool wxMenuItem::IsChecked() const
 130 {
 131 /*
 132     int flag = ::GetMenuState(GetHMenuOf(m_parentMenu), GetId(), MF_BYCOMMAND);
 133
 134     // don't "and" with MF_ENABLED because its value is 0
 135     return (flag & MF_DISABLED) == 0;
 136 */
 137     return FALSE;
 138 }
 139
 140 wxString wxMenuItem::GetLabel() const
 141 {
 142     return wxStripMenuCodes(m_text);
 143 }
 144
 145 // accelerators
 146 // ------------
 147
 148 #if wxUSE_ACCEL
 149
 150 wxAcceleratorEntry *wxMenuItem::GetAccel() const
 151 {
 152     return wxGetAccelFromString(GetText());
 153 }
 154
 155 #endif // wxUSE_ACCEL
 156
 157 // change item state
 158 // -----------------
 159
 160 void wxMenuItem::Enable(bool enable)
 161 {
 162     if ( m_isEnabled == enable )
 163         return;
 164 /*
 165     long rc = EnableMenuItem(GetHMenuOf(m_parentMenu),
 166                              GetRealId(),
 167                              MF_BYCOMMAND |
 168                              (enable ? MF_ENABLED : MF_GRAYED));
 169
 170     if ( rc == -1 ) {
 171         wxLogLastError("EnableMenuItem");
 172     }
 173 */
 174     wxMenuItemBase::Enable(enable);
 175 }
 176
 177 void wxMenuItem::Check(bool check)
 178 {
 179     wxCHECK_RET( m_isCheckable, wxT("only checkable items may be checked") );
 180
 181     if ( m_isChecked == check )
 182         return;
 183 /*
 184     long rc = CheckMenuItem(GetHMenuOf(m_parentMenu),
 185                             GetRealId(),
 186                             MF_BYCOMMAND |
 187                             (check ? MF_CHECKED : MF_UNCHECKED));
 188
 189     if ( rc == -1 ) {
 190         wxLogLastError("CheckMenuItem");
 191     }
 192 */
 193     wxMenuItemBase::Check(check);
 194 }
 195
 196 void wxMenuItem::SetText(const wxString& text)
 197 {
 198     // don't do anything if label didn't change
 199     if ( m_text == text )
 200         return;
 201
 202     wxMenuItemBase::SetText(text);
 203     OWNER_DRAWN_ONLY( wxOwnerDrawn::SetName(text) );
 204 /*
 205     HMENU hMenu = GetHMenuOf(m_parentMenu);
 206     wxCHECK_RET( hMenu, wxT("menuitem without menu") );
 207
 208 #if wxUSE_ACCEL
 209     m_parentMenu->UpdateAccel(this);
 210 #endif // wxUSE_ACCEL
 211
 212     UINT id = GetRealId();
 213     UINT flagsOld = ::GetMenuState(hMenu, id, MF_BYCOMMAND);
 214     if ( flagsOld == 0xFFFFFFFF )
 215     {
 216         wxLogLastError("GetMenuState");
 217     }
 218     else
 219     {
 220         if ( IsSubMenu() )
 221         {
 222             // high byte contains the number of items in a submenu for submenus
 223             flagsOld &= 0xFF;
 224             flagsOld |= MF_POPUP;
 225         }
 226
 227         LPCTSTR data;
 228
 229 #if wxUSE_OWNER_DRAWN
 230         if ( IsOwnerDrawn() )
 231         {
 232             flagsOld |= MF_OWNERDRAW;
 233             data = (LPCTSTR)this;
 234         }
 235         else
 236 #endif  //owner drawn
 237         {
 238             flagsOld |= MF_STRING;
 239             data = (char*) text.c_str();
 240         }
 241
 242         if ( ::ModifyMenu(hMenu, id,
 243                           MF_BYCOMMAND | flagsOld,
 244                           id, data) == (int)0xFFFFFFFF )
 245         {
 246             wxLogLastError(wxT("ModifyMenu"));
 247         }
 248     }
 249 */
 250 }
 251
 252 void wxMenuItem::SetCheckable(bool checkable)
 253 {
 254     wxMenuItemBase::SetCheckable(checkable);
 255     OWNER_DRAWN_ONLY( wxOwnerDrawn::SetCheckable(checkable) );
 256 }
 257
 258 // ----------------------------------------------------------------------------
 259 // wxMenuItemBase
 260 // ----------------------------------------------------------------------------
 261
 262 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
 263                                 int id,
 264                                 const wxString& name,
 265                                 const wxString& help,
 266                                 bool isCheckable,
 267                                 wxMenu *subMenu)
 268 {
 269     return new wxMenuItem(parentMenu, id, name, help, isCheckable, subMenu);
 270 }