src/msw/menuitem.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        menuitem.cpp
   3 // Purpose:     wxMenuItem implementation
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     11.11.97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows license
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "menuitem.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 "wx/menu.h"
  25 #include "wx/font.h"
  26 #include "wx/bitmap.h"
  27 #include "wx/settings.h"
  28 #include "wx/font.h"
  29 #endif
  30
  31 #include "wx/ownerdrw.h"
  32 #include "wx/menuitem.h"
  33
  34 #include <windows.h>
  35
  36 #ifdef GetClassInfo
  37 #undef GetClassInfo
  38 #endif
  39
  40 #ifdef GetClassName
  41 #undef GetClassName
  42 #endif
  43
  44 // ============================================================================
  45 // implementation
  46 // ============================================================================
  47
  48 // ----------------------------------------------------------------------------
  49 // dynamic classes implementation
  50 // ----------------------------------------------------------------------------
  51
  52 #if     !defined(USE_SHARED_LIBRARY) || !USE_SHARED_LIBRARY
  53 #if wxUSE_OWNER_DRAWN
  54   IMPLEMENT_DYNAMIC_CLASS2(wxMenuItem, wxObject, wxOwnerDrawn)
  55 #else   //!USE_OWNER_DRAWN
  56   IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
  57 #endif  //USE_OWNER_DRAWN
  58
  59 #endif  //USE_SHARED_LIBRARY
  60
  61 // ----------------------------------------------------------------------------
  62 // wxMenuItem
  63 // ----------------------------------------------------------------------------
  64
  65 // ctor & dtor
  66 // -----------
  67
  68 wxMenuItem::wxMenuItem(wxMenu *pParentMenu, int id,
  69                        const wxString& strName, const wxString& strHelp,
  70                        bool bCheckable,
  71                        wxMenu *pSubMenu) :
  72 #if wxUSE_OWNER_DRAWN
  73                         wxOwnerDrawn(strName, bCheckable),
  74 #else   //no owner drawn support
  75                         m_bCheckable(bCheckable),
  76                         m_strName(strName),
  77 #endif  //owner drawn
  78                         m_strHelp(strHelp)
  79 {
  80   wxASSERT( pParentMenu != NULL );
  81
  82 #if  wxUSE_OWNER_DRAWN
  83     // set default menu colors
  84     #define SYS_COLOR(c) (wxSystemSettings::GetSystemColour(wxSYS_COLOUR_##c))
  85
  86     SetTextColour(SYS_COLOR(MENUTEXT));
  87     SetBackgroundColour(SYS_COLOR(MENU));
  88
  89     // we don't want normal items be owner-drawn
  90     ResetOwnerDrawn();
  91
  92     #undef  SYS_COLOR
  93 #endif
  94
  95   m_pParentMenu = pParentMenu;
  96   m_pSubMenu    = pSubMenu;
  97   m_idItem      = id;
  98   m_bEnabled    = TRUE;
  99 }
 100
 101 wxMenuItem::~wxMenuItem()
 102 {
 103 }
 104
 105 // misc
 106 // ----
 107
 108 // delete the sub menu
 109 void wxMenuItem::DeleteSubMenu()
 110 {
 111   wxASSERT( m_pSubMenu != NULL );
 112
 113   delete m_pSubMenu;
 114   m_pSubMenu = NULL;
 115 }
 116
 117 // change item state
 118 // -----------------
 119
 120 void wxMenuItem::Enable(bool bDoEnable)
 121 {
 122   if ( m_bEnabled != bDoEnable ) {
 123     if ( m_pSubMenu == NULL ) {     // normal menu item
 124       EnableMenuItem((HMENU)m_pParentMenu->GetHMenu(), m_idItem,
 125                      MF_BYCOMMAND | (bDoEnable ? MF_ENABLED: MF_GRAYED));
 126     }
 127     else                            // submenu
 128     {
 129       wxMenu *father = m_pSubMenu->m_topLevelMenu ;
 130       wxNode *node = father->m_menuItems.First() ;
 131       int i = 0 ;
 132       while (node) {
 133         wxMenuItem *matched = (wxMenuItem*)node->Data();
 134         if ( matched == this)
 135           break;
 136         i++;
 137         node = node->Next();
 138       }
 139       EnableMenuItem((HMENU)father->m_savehMenu, i,
 140                      MF_BYPOSITION | (bDoEnable ? MF_ENABLED: MF_GRAYED));
 141     }
 142
 143     m_bEnabled = bDoEnable;
 144   }
 145 }
 146
 147 void wxMenuItem::Check(bool bDoCheck)
 148 {
 149   wxCHECK_RET( IsCheckable(), "only checkable items may be checked" );
 150
 151   if ( m_bChecked != bDoCheck ) {
 152     CheckMenuItem((HMENU)m_pParentMenu->GetHMenu(), m_idItem,
 153                   MF_BYCOMMAND | (bDoCheck ? MF_CHECKED : MF_UNCHECKED));
 154
 155     m_bChecked = bDoCheck;
 156   }
 157 }