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wxWidgets/src/common/menucmn.cpp

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///////////////////////////////////////////////////////////////////////////////
// Name: src/common/menucmn.cpp
// Purpose: wxMenu and wxMenuBar methods common to all ports
// Author: Vadim Zeitlin
// Modified by:
// Created: 26.10.99
// RCS-ID: $Id$
// Copyright: (c) wxWidgets team
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_MENUS
#include <ctype.h>
#ifndef WX_PRECOMP
#include "wx/intl.h"
#include "wx/log.h"
#include "wx/menu.h"
#endif
#include "wx/stockitem.h"
// ----------------------------------------------------------------------------
// template lists
// ----------------------------------------------------------------------------
#include "wx/listimpl.cpp"
WX_DEFINE_LIST(wxMenuList)
WX_DEFINE_LIST(wxMenuItemList)
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// wxAcceleratorEntry
// ----------------------------------------------------------------------------
#if wxUSE_ACCEL
static const struct wxKeyName
{
wxKeyCode code;
const wxChar *name;
} wxKeyNames[] =
{
{ WXK_DELETE, wxTRANSLATE("DEL") },
{ WXK_DELETE, wxTRANSLATE("DELETE") },
{ WXK_BACK, wxTRANSLATE("BACK") },
{ WXK_INSERT, wxTRANSLATE("INS") },
{ WXK_INSERT, wxTRANSLATE("INSERT") },
{ WXK_RETURN, wxTRANSLATE("ENTER") },
{ WXK_RETURN, wxTRANSLATE("RETURN") },
{ WXK_PAGEUP, wxTRANSLATE("PGUP") },
{ WXK_PAGEDOWN, wxTRANSLATE("PGDN") },
{ WXK_LEFT, wxTRANSLATE("LEFT") },
{ WXK_RIGHT, wxTRANSLATE("RIGHT") },
{ WXK_UP, wxTRANSLATE("UP") },
{ WXK_DOWN, wxTRANSLATE("DOWN") },
{ WXK_HOME, wxTRANSLATE("HOME") },
{ WXK_END, wxTRANSLATE("END") },
{ WXK_SPACE, wxTRANSLATE("SPACE") },
{ WXK_TAB, wxTRANSLATE("TAB") },
{ WXK_ESCAPE, wxTRANSLATE("ESC") },
{ WXK_ESCAPE, wxTRANSLATE("ESCAPE") },
{ WXK_CANCEL, wxTRANSLATE("CANCEL") },
{ WXK_CLEAR, wxTRANSLATE("CLEAR") },
{ WXK_MENU, wxTRANSLATE("MENU") },
{ WXK_PAUSE, wxTRANSLATE("PAUSE") },
{ WXK_CAPITAL, wxTRANSLATE("CAPITAL") },
{ WXK_SELECT, wxTRANSLATE("SELECT") },
{ WXK_PRINT, wxTRANSLATE("PRINT") },
{ WXK_EXECUTE, wxTRANSLATE("EXECUTE") },
{ WXK_SNAPSHOT, wxTRANSLATE("SNAPSHOT") },
{ WXK_HELP, wxTRANSLATE("HELP") },
{ WXK_ADD, wxTRANSLATE("ADD") },
{ WXK_SEPARATOR, wxTRANSLATE("SEPARATOR") },
{ WXK_SUBTRACT, wxTRANSLATE("SUBTRACT") },
{ WXK_DECIMAL, wxTRANSLATE("DECIMAL") },
{ WXK_DIVIDE, wxTRANSLATE("DIVIDE") },
{ WXK_NUMLOCK, wxTRANSLATE("NUM_LOCK") },
{ WXK_SCROLL, wxTRANSLATE("SCROLL_LOCK") },
{ WXK_PAGEUP, wxTRANSLATE("PAGEUP") },
{ WXK_PAGEDOWN, wxTRANSLATE("PAGEDOWN") },
{ WXK_NUMPAD_SPACE, wxTRANSLATE("KP_SPACE") },
{ WXK_NUMPAD_TAB, wxTRANSLATE("KP_TAB") },
{ WXK_NUMPAD_ENTER, wxTRANSLATE("KP_ENTER") },
{ WXK_NUMPAD_HOME, wxTRANSLATE("KP_HOME") },
{ WXK_NUMPAD_LEFT, wxTRANSLATE("KP_LEFT") },
{ WXK_NUMPAD_UP, wxTRANSLATE("KP_UP") },
{ WXK_NUMPAD_RIGHT, wxTRANSLATE("KP_RIGHT") },
{ WXK_NUMPAD_DOWN, wxTRANSLATE("KP_DOWN") },
{ WXK_NUMPAD_PAGEUP, wxTRANSLATE("KP_PRIOR") },
{ WXK_NUMPAD_PAGEUP, wxTRANSLATE("KP_PAGEUP") },
{ WXK_NUMPAD_PAGEDOWN, wxTRANSLATE("KP_NEXT") },
{ WXK_NUMPAD_PAGEDOWN, wxTRANSLATE("KP_PAGEDOWN") },
{ WXK_NUMPAD_END, wxTRANSLATE("KP_END") },
{ WXK_NUMPAD_BEGIN, wxTRANSLATE("KP_BEGIN") },
{ WXK_NUMPAD_INSERT, wxTRANSLATE("KP_INSERT") },
{ WXK_NUMPAD_DELETE, wxTRANSLATE("KP_DELETE") },
{ WXK_NUMPAD_EQUAL, wxTRANSLATE("KP_EQUAL") },
{ WXK_NUMPAD_MULTIPLY, wxTRANSLATE("KP_MULTIPLY") },
{ WXK_NUMPAD_ADD, wxTRANSLATE("KP_ADD") },
{ WXK_NUMPAD_SEPARATOR, wxTRANSLATE("KP_SEPARATOR") },
{ WXK_NUMPAD_SUBTRACT, wxTRANSLATE("KP_SUBTRACT") },
{ WXK_NUMPAD_DECIMAL, wxTRANSLATE("KP_DECIMAL") },
{ WXK_NUMPAD_DIVIDE, wxTRANSLATE("KP_DIVIDE") },
{ WXK_WINDOWS_LEFT, wxTRANSLATE("WINDOWS_LEFT") },
{ WXK_WINDOWS_RIGHT, wxTRANSLATE("WINDOWS_RIGHT") },
{ WXK_WINDOWS_MENU, wxTRANSLATE("WINDOWS_MENU") },
{ WXK_COMMAND, wxTRANSLATE("COMMAND") },
};
// return true if the 2 strings refer to the same accel
//
// as accels can be either translated or not, check for both possibilities and
// also compare case-insensitively as the key names case doesn't count
static inline bool CompareAccelString(const wxString& str, const wxChar *accel)
{
return str.CmpNoCase(accel) == 0
#if wxUSE_INTL
|| str.CmpNoCase(wxGetTranslation(accel)) == 0
#endif
;
}
// return prefixCode+number if the string is of the form "<prefix><number>" and
// 0 if it isn't
//
// first and last parameter specify the valid domain for "number" part
static int
IsNumberedAccelKey(const wxString& str,
const wxChar *prefix,
wxKeyCode prefixCode,
unsigned first,
unsigned last)
{
const size_t lenPrefix = wxStrlen(prefix);
if ( !CompareAccelString(str.Left(lenPrefix), prefix) )
return 0;
unsigned long num;
if ( !str.Mid(lenPrefix).ToULong(&num) )
return 0;
if ( num < first || num > last )
{
// this must be a mistake, chances that this is a valid name of another
// key are vanishingly small
wxLogDebug(_T("Invalid key string \"%s\""), str.c_str());
return 0;
}
return prefixCode + num - first;
}
/* static */
bool
wxAcceleratorEntry::ParseAccel(const wxString& text, int *flagsOut, int *keyOut)
{
// the parser won't like trailing spaces
wxString label = text;
label.Trim(true); // the initial \t must be preserved so don't strip leading whitespaces
// check for accelerators: they are given after '\t'
int posTab = label.Find(wxT('\t'));
if ( posTab == wxNOT_FOUND )
{
return false;
}
// parse the accelerator string
int accelFlags = wxACCEL_NORMAL;
wxString current;
for ( size_t n = (size_t)posTab + 1; n < label.length(); n++ )
{
if ( (label[n] == '+') || (label[n] == '-') )
{
if ( CompareAccelString(current, wxTRANSLATE("ctrl")) )
accelFlags |= wxACCEL_CTRL;
else if ( CompareAccelString(current, wxTRANSLATE("alt")) )
accelFlags |= wxACCEL_ALT;
else if ( CompareAccelString(current, wxTRANSLATE("shift")) )
accelFlags |= wxACCEL_SHIFT;
else // not a recognized modifier name
{
// we may have "Ctrl-+", for example, but we still want to
// catch typos like "Crtl-A" so only give the warning if we
// have something before the current '+' or '-', else take
// it as a literal symbol
if ( current.empty() )
{
current += label[n];
// skip clearing it below
continue;
}
else
{
wxLogDebug(wxT("Unknown accel modifier: '%s'"),
current.c_str());
}
}
current.clear();
}
else // not special character
{
current += (wxChar) wxTolower(label[n]);
}
}
int keyCode;
const size_t len = current.length();
switch ( len )
{
case 0:
wxLogDebug(wxT("No accel key found, accel string ignored."));
return false;
case 1:
// it's just a letter
keyCode = current[0U];
// if the key is used with any modifiers, make it an uppercase one
// because Ctrl-A and Ctrl-a are the same; but keep it as is if it's
// used alone as 'a' and 'A' are different
if ( accelFlags != wxACCEL_NORMAL )
keyCode = wxToupper(keyCode);
break;
default:
keyCode = IsNumberedAccelKey(current, wxTRANSLATE("F"),
WXK_F1, 1, 12);
if ( !keyCode )
{
for ( size_t n = 0; n < WXSIZEOF(wxKeyNames); n++ )
{
const wxKeyName& kn = wxKeyNames[n];
if ( CompareAccelString(current, kn.name) )
{
keyCode = kn.code;
break;
}
}
}
if ( !keyCode )
keyCode = IsNumberedAccelKey(current, wxTRANSLATE("KP_"),
WXK_NUMPAD0, 0, 9);
if ( !keyCode )
keyCode = IsNumberedAccelKey(current, wxTRANSLATE("SPECIAL"),
WXK_SPECIAL1, 1, 20);
if ( !keyCode )
{
wxLogDebug(wxT("Unrecognized accel key '%s', accel string ignored."),
current.c_str());
return false;
}
}
wxASSERT_MSG( keyCode, _T("logic error: should have key code here") );
if ( flagsOut )
*flagsOut = accelFlags;
if ( keyOut )
*keyOut = keyCode;
return true;
}
/* static */
wxAcceleratorEntry *wxAcceleratorEntry::Create(const wxString& str)
{
int flags,
keyCode;
if ( !ParseAccel(str, &flags, &keyCode) )
return NULL;
return new wxAcceleratorEntry(flags, keyCode);
}
bool wxAcceleratorEntry::FromString(const wxString& str)
{
return ParseAccel(str, &m_flags, &m_keyCode);
}
wxString wxAcceleratorEntry::ToString() const
{
wxString text;
int flags = GetFlags();
if ( flags & wxACCEL_ALT )
text += _("Alt-");
if ( flags & wxACCEL_CTRL )
text += _("Ctrl-");
if ( flags & wxACCEL_SHIFT )
text += _("Shift-");
const int code = GetKeyCode();
if ( code >= WXK_F1 && code <= WXK_F12 )
text << _("F") << code - WXK_F1 + 1;
else if ( code >= WXK_NUMPAD0 && code <= WXK_NUMPAD9 )
text << _("KP_") << code - WXK_NUMPAD0;
else if ( code >= WXK_SPECIAL1 && code <= WXK_SPECIAL20 )
text << _("SPECIAL") << code - WXK_SPECIAL1 + 1;
else // check the named keys
{
size_t n;
for ( n = 0; n < WXSIZEOF(wxKeyNames); n++ )
{
const wxKeyName& kn = wxKeyNames[n];
if ( code == kn.code )
{
text << wxGetTranslation(kn.name);
break;
}
}
if ( n == WXSIZEOF(wxKeyNames) )
{
// must be a simple key
if (
#if !wxUSE_UNICODE
isascii(code) &&
#endif // ANSI
wxIsalnum(code) )
{
text << (wxChar)code;
}
else
{
wxFAIL_MSG( wxT("unknown keyboard accelerator code") );
}
}
}
return text;
}
wxAcceleratorEntry *wxGetAccelFromString(const wxString& label)
{
return wxAcceleratorEntry::Create(label);
}
#endif // wxUSE_ACCEL
// ----------------------------------------------------------------------------
// wxMenuItem
// ----------------------------------------------------------------------------
wxMenuItemBase::wxMenuItemBase(wxMenu *parentMenu,
int id,
const wxString& text,
const wxString& help,
wxItemKind kind,
wxMenu *subMenu)
{
wxASSERT_MSG( parentMenu != NULL, wxT("menuitem should have a menu") );
m_parentMenu = parentMenu;
m_subMenu = subMenu;
m_isEnabled = true;
m_isChecked = false;
m_id = id;
m_kind = kind;
if (m_id == wxID_ANY)
m_id = wxNewId();
if (m_id == wxID_SEPARATOR)
m_kind = wxITEM_SEPARATOR;
SetText(text);
SetHelp(help);
}
wxMenuItemBase::~wxMenuItemBase()
{
delete m_subMenu;
}
#if wxUSE_ACCEL
wxAcceleratorEntry *wxMenuItemBase::GetAccel() const
{
return wxAcceleratorEntry::Create(GetText());
}
void wxMenuItemBase::SetAccel(wxAcceleratorEntry *accel)
{
wxString text = m_text.BeforeFirst(wxT('\t'));
if ( accel )
{
text += wxT('\t');
text += accel->ToString();
}
SetText(text);
}
#endif // wxUSE_ACCEL
void wxMenuItemBase::SetText(const wxString& str)
{
m_text = str;
if ( m_text.empty() && !IsSeparator() )
{
wxASSERT_MSG( wxIsStockID(GetId()),
wxT("A non-stock menu item with an empty label?") );
m_text = wxGetStockLabel(GetId(), wxSTOCK_WITH_ACCELERATOR |
wxSTOCK_WITH_MNEMONIC);
}
}
void wxMenuItemBase::SetHelp(const wxString& str)
{
m_help = str;
if ( m_help.empty() && !IsSeparator() && wxIsStockID(GetId()) )
{
// get a stock help string
m_help = wxGetStockHelpString(GetId());
}
}
bool wxMenuBase::ms_locked = true;
// ----------------------------------------------------------------------------
// wxMenu ctor and dtor
// ----------------------------------------------------------------------------
void wxMenuBase::Init(long style)
{
m_menuBar = (wxMenuBar *)NULL;
m_menuParent = (wxMenu *)NULL;
m_invokingWindow = (wxWindow *)NULL;
m_style = style;
m_clientData = (void *)NULL;
m_eventHandler = this;
}
wxMenuBase::~wxMenuBase()
{
WX_CLEAR_LIST(wxMenuItemList, m_items);
// Actually, in GTK, the submenus have to get deleted first.
}
// ----------------------------------------------------------------------------
// wxMenu item adding/removing
// ----------------------------------------------------------------------------
void wxMenuBase::AddSubMenu(wxMenu *submenu)
{
wxCHECK_RET( submenu, _T("can't add a NULL submenu") );
submenu->SetParent((wxMenu *)this);
}
wxMenuItem* wxMenuBase::DoAppend(wxMenuItem *item)
{
wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Append()") );
m_items.Append(item);
item->SetMenu((wxMenu*)this);
if ( item->IsSubMenu() )
{
AddSubMenu(item->GetSubMenu());
}
return item;
}
wxMenuItem* wxMenuBase::Insert(size_t pos, wxMenuItem *item)
{
wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Insert") );
if ( pos == GetMenuItemCount() )
{
return DoAppend(item);
}
else
{
wxCHECK_MSG( pos < GetMenuItemCount(), NULL,
wxT("invalid index in wxMenu::Insert") );
return DoInsert(pos, item);
}
}
wxMenuItem* wxMenuBase::DoInsert(size_t pos, wxMenuItem *item)
{
wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Insert()") );
wxMenuItemList::compatibility_iterator node = m_items.Item(pos);
wxCHECK_MSG( node, NULL, wxT("invalid index in wxMenu::Insert()") );
m_items.Insert(node, item);
item->SetMenu((wxMenu*)this);
if ( item->IsSubMenu() )
{
AddSubMenu(item->GetSubMenu());
}
return item;
}
wxMenuItem *wxMenuBase::Remove(wxMenuItem *item)
{
wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Remove") );
return DoRemove(item);
}
wxMenuItem *wxMenuBase::DoRemove(wxMenuItem *item)
{
wxMenuItemList::compatibility_iterator node = m_items.Find(item);
// if we get here, the item is valid or one of Remove() functions is broken
wxCHECK_MSG( node, NULL, wxT("bug in wxMenu::Remove logic") );
// we detach the item, but we do delete the list node (i.e. don't call
// DetachNode() here!)
m_items.Erase(node);
// item isn't attached to anything any more
item->SetMenu((wxMenu *)NULL);
wxMenu *submenu = item->GetSubMenu();
if ( submenu )
{
submenu->SetParent((wxMenu *)NULL);
if ( submenu->IsAttached() )
submenu->Detach();
}
return item;
}
bool wxMenuBase::Delete(wxMenuItem *item)
{
wxCHECK_MSG( item, false, wxT("invalid item in wxMenu::Delete") );
return DoDelete(item);
}
bool wxMenuBase::DoDelete(wxMenuItem *item)
{
wxMenuItem *item2 = DoRemove(item);
wxCHECK_MSG( item2, false, wxT("failed to delete menu item") );
// don't delete the submenu
item2->SetSubMenu((wxMenu *)NULL);
delete item2;
return true;
}
bool wxMenuBase::Destroy(wxMenuItem *item)
{
wxCHECK_MSG( item, false, wxT("invalid item in wxMenu::Destroy") );
return DoDestroy(item);
}
bool wxMenuBase::DoDestroy(wxMenuItem *item)
{
wxMenuItem *item2 = DoRemove(item);
wxCHECK_MSG( item2, false, wxT("failed to delete menu item") );
delete item2;
return true;
}
// ----------------------------------------------------------------------------
// wxMenu searching for items
// ----------------------------------------------------------------------------
// Finds the item id matching the given string, wxNOT_FOUND if not found.
int wxMenuBase::FindItem(const wxString& text) const
{
wxString label = wxMenuItem::GetLabelFromText(text);
for ( wxMenuItemList::compatibility_iterator node = m_items.GetFirst();
node;
node = node->GetNext() )
{
wxMenuItem *item = node->GetData();
if ( item->IsSubMenu() )
{
int rc = item->GetSubMenu()->FindItem(label);
if ( rc != wxNOT_FOUND )
return rc;
}
// we execute this code for submenus as well to alllow finding them by
// name just like the ordinary items
if ( !item->IsSeparator() )
{
if ( item->GetLabel() == label )
return item->GetId();
}
}
return wxNOT_FOUND;
}
// recursive search for item by id
wxMenuItem *wxMenuBase::FindItem(int itemId, wxMenu **itemMenu) const
{
if ( itemMenu )
*itemMenu = NULL;
wxMenuItem *item = NULL;
for ( wxMenuItemList::compatibility_iterator node = m_items.GetFirst();
node && !item;
node = node->GetNext() )
{
item = node->GetData();
if ( item->GetId() == itemId )
{
if ( itemMenu )
*itemMenu = (wxMenu *)this;
}
else if ( item->IsSubMenu() )
{
item = item->GetSubMenu()->FindItem(itemId, itemMenu);
}
else
{
// don't exit the loop
item = NULL;
}
}
return item;
}
// non recursive search
wxMenuItem *wxMenuBase::FindChildItem(int id, size_t *ppos) const
{
wxMenuItem *item = (wxMenuItem *)NULL;
wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
size_t pos;
for ( pos = 0; node; pos++ )
{
if ( node->GetData()->GetId() == id )
{
item = node->GetData();
break;
}
node = node->GetNext();
}
if ( ppos )
{
*ppos = item ? pos : (size_t)wxNOT_FOUND;
}
return item;
}
// find by position
wxMenuItem* wxMenuBase::FindItemByPosition(size_t position) const
{
wxCHECK_MSG( position < m_items.GetCount(), NULL,
_T("wxMenu::FindItemByPosition(): invalid menu index") );
return m_items.Item( position )->GetData();
}
// ----------------------------------------------------------------------------
// wxMenu helpers used by derived classes
// ----------------------------------------------------------------------------
// Update a menu and all submenus recursively. source is the object that has
// the update event handlers defined for it. If NULL, the menu or associated
// window will be used.
void wxMenuBase::UpdateUI(wxEvtHandler* source)
{
if (GetInvokingWindow())
{
// Don't update menus if the parent
// frame is about to get deleted
wxWindow *tlw = wxGetTopLevelParent( GetInvokingWindow() );
if (tlw && wxPendingDelete.Member(tlw))
return;
}
if ( !source && GetInvokingWindow() )
source = GetInvokingWindow()->GetEventHandler();
if ( !source )
source = GetEventHandler();
if ( !source )
source = this;
wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
while ( node )
{
wxMenuItem* item = node->GetData();
if ( !item->IsSeparator() )
{
wxWindowID id = item->GetId();
wxUpdateUIEvent event(id);
event.SetEventObject( source );
if ( source->ProcessEvent(event) )
{
// if anything changed, update the changed attribute
if (event.GetSetText())
SetLabel(id, event.GetText());
if (event.GetSetChecked())
Check(id, event.GetChecked());
if (event.GetSetEnabled())
Enable(id, event.GetEnabled());
}
// recurse to the submenus
if ( item->GetSubMenu() )
item->GetSubMenu()->UpdateUI(source);
}
//else: item is a separator (which doesn't process update UI events)
node = node->GetNext();
}
}
bool wxMenuBase::SendEvent(int id, int checked)
{
wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED, id);
event.SetEventObject(this);
event.SetInt(checked);
bool processed = false;
// Try the menu's event handler
// if ( !processed )
{
wxEvtHandler *handler = GetEventHandler();
if ( handler )
processed = handler->ProcessEvent(event);
}
// Try the window the menu was popped up from (and up through the
// hierarchy)
if ( !processed )
{
const wxMenuBase *menu = this;
while ( menu )
{
wxWindow *win = menu->GetInvokingWindow();
if ( win )
{
processed = win->GetEventHandler()->ProcessEvent(event);
break;
}
menu = menu->GetParent();
}
}
return processed;
}
// ----------------------------------------------------------------------------
// wxMenu attaching/detaching to/from menu bar
// ----------------------------------------------------------------------------
wxMenuBar* wxMenuBase::GetMenuBar() const
{
if(GetParent())
return GetParent()->GetMenuBar();
return m_menuBar;
}
void wxMenuBase::Attach(wxMenuBarBase *menubar)
{
// use Detach() instead!
wxASSERT_MSG( menubar, _T("menu can't be attached to NULL menubar") );
// use IsAttached() to prevent this from happening
wxASSERT_MSG( !m_menuBar, _T("attaching menu twice?") );
m_menuBar = (wxMenuBar *)menubar;
}
void wxMenuBase::Detach()
{
// use IsAttached() to prevent this from happening
wxASSERT_MSG( m_menuBar, _T("detaching unattached menu?") );
m_menuBar = NULL;
}
// ----------------------------------------------------------------------------
// wxMenu functions forwarded to wxMenuItem
// ----------------------------------------------------------------------------
void wxMenuBase::Enable( int id, bool enable )
{
wxMenuItem *item = FindItem(id);
wxCHECK_RET( item, wxT("wxMenu::Enable: no such item") );
item->Enable(enable);
}
bool wxMenuBase::IsEnabled( int id ) const
{
wxMenuItem *item = FindItem(id);
wxCHECK_MSG( item, false, wxT("wxMenu::IsEnabled: no such item") );
return item->IsEnabled();
}
void wxMenuBase::Check( int id, bool enable )
{
wxMenuItem *item = FindItem(id);
wxCHECK_RET( item, wxT("wxMenu::Check: no such item") );
item->Check(enable);
}
bool wxMenuBase::IsChecked( int id ) const
{
wxMenuItem *item = FindItem(id);
wxCHECK_MSG( item, false, wxT("wxMenu::IsChecked: no such item") );
return item->IsChecked();
}
void wxMenuBase::SetLabel( int id, const wxString &label )
{
wxMenuItem *item = FindItem(id);
wxCHECK_RET( item, wxT("wxMenu::SetLabel: no such item") );
item->SetText(label);
}
wxString wxMenuBase::GetLabel( int id ) const
{
wxMenuItem *item = FindItem(id);
wxCHECK_MSG( item, wxEmptyString, wxT("wxMenu::GetLabel: no such item") );
return item->GetText();
}
void wxMenuBase::SetHelpString( int id, const wxString& helpString )
{
wxMenuItem *item = FindItem(id);
wxCHECK_RET( item, wxT("wxMenu::SetHelpString: no such item") );
item->SetHelp( helpString );
}
wxString wxMenuBase::GetHelpString( int id ) const
{
wxMenuItem *item = FindItem(id);
wxCHECK_MSG( item, wxEmptyString, wxT("wxMenu::GetHelpString: no such item") );
return item->GetHelp();
}
// ----------------------------------------------------------------------------
// wxMenuBarBase ctor and dtor
// ----------------------------------------------------------------------------
wxMenuBarBase::wxMenuBarBase()
{
// not attached yet
m_menuBarFrame = NULL;
}
wxMenuBarBase::~wxMenuBarBase()
{
WX_CLEAR_LIST(wxMenuList, m_menus);
}
// ----------------------------------------------------------------------------
// wxMenuBar item access: the base class versions manage m_menus list, the
// derived class should reflect the changes in the real menubar
// ----------------------------------------------------------------------------
wxMenu *wxMenuBarBase::GetMenu(size_t pos) const
{
wxMenuList::compatibility_iterator node = m_menus.Item(pos);
wxCHECK_MSG( node, NULL, wxT("bad index in wxMenuBar::GetMenu()") );
return node->GetData();
}
bool wxMenuBarBase::Append(wxMenu *menu, const wxString& WXUNUSED(title))
{
wxCHECK_MSG( menu, false, wxT("can't append NULL menu") );
m_menus.Append(menu);
menu->Attach(this);
return true;
}
bool wxMenuBarBase::Insert(size_t pos, wxMenu *menu,
const wxString& title)
{
if ( pos == m_menus.GetCount() )
{
return wxMenuBarBase::Append(menu, title);
}
else // not at the end
{
wxCHECK_MSG( menu, false, wxT("can't insert NULL menu") );
wxMenuList::compatibility_iterator node = m_menus.Item(pos);
wxCHECK_MSG( node, false, wxT("bad index in wxMenuBar::Insert()") );
m_menus.Insert(node, menu);
menu->Attach(this);
return true;
}
}
wxMenu *wxMenuBarBase::Replace(size_t pos, wxMenu *menu,
const wxString& WXUNUSED(title))
{
wxCHECK_MSG( menu, NULL, wxT("can't insert NULL menu") );
wxMenuList::compatibility_iterator node = m_menus.Item(pos);
wxCHECK_MSG( node, NULL, wxT("bad index in wxMenuBar::Replace()") );
wxMenu *menuOld = node->GetData();
node->SetData(menu);
menu->Attach(this);
menuOld->Detach();
return menuOld;
}
wxMenu *wxMenuBarBase::Remove(size_t pos)
{
wxMenuList::compatibility_iterator node = m_menus.Item(pos);
wxCHECK_MSG( node, NULL, wxT("bad index in wxMenuBar::Remove()") );
wxMenu *menu = node->GetData();
m_menus.Erase(node);
menu->Detach();
return menu;
}
int wxMenuBarBase::FindMenu(const wxString& title) const
{
wxString label = wxMenuItem::GetLabelFromText(title);
size_t count = GetMenuCount();
for ( size_t i = 0; i < count; i++ )
{
wxString title2 = GetLabelTop(i);
if ( (title2 == title) ||
(wxMenuItem::GetLabelFromText(title2) == label) )
{
// found
return (int)i;
}
}
return wxNOT_FOUND;
}
// ----------------------------------------------------------------------------
// wxMenuBar attaching/detaching to/from the frame
// ----------------------------------------------------------------------------
void wxMenuBarBase::Attach(wxFrame *frame)
{
wxASSERT_MSG( !IsAttached(), wxT("menubar already attached!") );
m_menuBarFrame = frame;
}
void wxMenuBarBase::Detach()
{
wxASSERT_MSG( IsAttached(), wxT("detaching unattached menubar") );
m_menuBarFrame = NULL;
}
// ----------------------------------------------------------------------------
// wxMenuBar searching for items
// ----------------------------------------------------------------------------
wxMenuItem *wxMenuBarBase::FindItem(int id, wxMenu **menu) const
{
if ( menu )
*menu = NULL;
wxMenuItem *item = NULL;
size_t count = GetMenuCount(), i;
wxMenuList::const_iterator it;
for ( i = 0, it = m_menus.begin(); !item && (i < count); i++, it++ )
{
item = (*it)->FindItem(id, menu);
}
return item;
}
int wxMenuBarBase::FindMenuItem(const wxString& menu, const wxString& item) const
{
wxString label = wxMenuItem::GetLabelFromText(menu);
int i = 0;
wxMenuList::compatibility_iterator node;
for ( node = m_menus.GetFirst(); node; node = node->GetNext(), i++ )
{
if ( label == wxMenuItem::GetLabelFromText(GetLabelTop(i)) )
return node->GetData()->FindItem(item);
}
return wxNOT_FOUND;
}
// ---------------------------------------------------------------------------
// wxMenuBar functions forwarded to wxMenuItem
// ---------------------------------------------------------------------------
void wxMenuBarBase::Enable(int id, bool enable)
{
wxMenuItem *item = FindItem(id);
wxCHECK_RET( item, wxT("attempt to enable an item which doesn't exist") );
item->Enable(enable);
}
void wxMenuBarBase::Check(int id, bool check)
{
wxMenuItem *item = FindItem(id);
wxCHECK_RET( item, wxT("attempt to check an item which doesn't exist") );
wxCHECK_RET( item->IsCheckable(), wxT("attempt to check an uncheckable item") );
item->Check(check);
}
bool wxMenuBarBase::IsChecked(int id) const
{
wxMenuItem *item = FindItem(id);
wxCHECK_MSG( item, false, wxT("wxMenuBar::IsChecked(): no such item") );
return item->IsChecked();
}
bool wxMenuBarBase::IsEnabled(int id) const
{
wxMenuItem *item = FindItem(id);
wxCHECK_MSG( item, false, wxT("wxMenuBar::IsEnabled(): no such item") );
return item->IsEnabled();
}
void wxMenuBarBase::SetLabel(int id, const wxString& label)
{
wxMenuItem *item = FindItem(id);
wxCHECK_RET( item, wxT("wxMenuBar::SetLabel(): no such item") );
item->SetText(label);
}
wxString wxMenuBarBase::GetLabel(int id) const
{
wxMenuItem *item = FindItem(id);
wxCHECK_MSG( item, wxEmptyString,
wxT("wxMenuBar::GetLabel(): no such item") );
return item->GetText();
}
void wxMenuBarBase::SetHelpString(int id, const wxString& helpString)
{
wxMenuItem *item = FindItem(id);
wxCHECK_RET( item, wxT("wxMenuBar::SetHelpString(): no such item") );
item->SetHelp(helpString);
}
wxString wxMenuBarBase::GetHelpString(int id) const
{
wxMenuItem *item = FindItem(id);
wxCHECK_MSG( item, wxEmptyString,
wxT("wxMenuBar::GetHelpString(): no such item") );
return item->GetHelp();
}
void wxMenuBarBase::UpdateMenus( void )
{
wxEvtHandler* source;
wxMenu* menu;
int nCount = GetMenuCount();
for (int n = 0; n < nCount; n++)
{
menu = GetMenu( n );
if (menu != NULL)
{
source = menu->GetEventHandler();
if (source != NULL)
menu->UpdateUI( source );
}
}
}
#endif // wxUSE_MENUS
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