void wxChoice::SetString(unsigned int n, const wxString& s)
{
wxCHECK_RET( IsValid(n), wxT("invalid item index in wxChoice::SetString") );
// we have to delete and add back the string as there is no way to change a
// string in place
// we need to preserve the client data manually
void *oldData = NULL;
wxClientData *oldObjData = NULL;
if ( HasClientUntypedData() )
oldData = GetClientData(n);
else if ( HasClientObjectData() )
oldObjData = GetClientObject(n);
::SendMessage(GetHwnd(), CB_DELETESTRING, n, 0);
::SendMessage(GetHwnd(), CB_INSERTSTRING, n, (LPARAM)s.wx_str() );
// restore the client data
if ( oldData )
SetClientData(n, oldData);
else if ( oldObjData )
SetClientObject(n, oldObjData);
InvalidateBestSize();
}
bool wxChoice::OS2Command(
WXUINT uParam
, WXWORD WXUNUSED(wId)
)
{
if (uParam != LN_SELECT)
{
//
// "selection changed" is the only event we're after
//
return false;
}
int n = GetSelection();
if (n > -1)
{
wxCommandEvent vEvent( wxEVT_CHOICE
,m_windowId
);
vEvent.SetInt(n);
vEvent.SetEventObject(this);
vEvent.SetString(GetStringSelection());
if (HasClientObjectData())
vEvent.SetClientObject(GetClientObject(n));
else if (HasClientUntypedData())
vEvent.SetClientData(GetClientData(n));
ProcessCommand(vEvent);
}
return true;
} // end of wxChoice::OS2Command
void wxChoice::SetString(unsigned int n, const wxString& s)
{
wxCHECK_RET( IsValid(n), wxT("invalid item index in wxChoice::SetString") );
// we have to delete and add back the string as there is no way to change a
// string in place
// we need to preserve the client data manually
void *oldData = NULL;
wxClientData *oldObjData = NULL;
if ( HasClientUntypedData() )
oldData = GetClientData(n);
else if ( HasClientObjectData() )
oldObjData = GetClientObject(n);
// and also the selection if we're going to delete the item that was
// selected
const bool wasSelected = static_cast<int>(n) == GetSelection();
::SendMessage(GetHwnd(), CB_DELETESTRING, n, 0);
::SendMessage(GetHwnd(), CB_INSERTSTRING, n, (LPARAM)s.wx_str() );
// restore the client data
if ( oldData )
SetClientData(n, oldData);
else if ( oldObjData )
SetClientObject(n, oldObjData);
// and the selection
if ( wasSelected )
SetSelection(n);
// the width could have changed so the best size needs to be recomputed
InvalidateBestSize();
}
void wxListBox::Clear()
{
wxCHECK_RET( m_list != NULL, wxT("invalid listbox") );
gtk_list_clear_items( m_list, 0, (int)GetCount() );
if ( GTK_LIST(m_list)->last_focus_child != NULL )
{
// This should be NULL, I think.
GTK_LIST(m_list)->last_focus_child = NULL;
}
if ( HasClientObjectData() )
{
// destroy the data (due to Robert's idea of using wxList<wxObject>
// and not wxList<wxClientData> we can't just say
// m_clientList.DeleteContents(true) - this would crash!
wxList::compatibility_iterator node = m_clientList.GetFirst();
while ( node )
{
delete (wxClientData *)node->GetData();
node = node->GetNext();
}
}
m_clientList.Clear();
if ( m_strings )
m_strings->Clear();
}
wxClientData *wxItemContainer::GetClientObject(unsigned int n) const
{
wxCHECK_MSG( HasClientObjectData(), NULL,
wxT("this window doesn't have object client data") );
return static_cast<wxClientData *>(DoGetItemClientData(n));
}
bool wxListBox::SendEvent(wxEventType type, int item)
{
wxCommandEvent event(type, m_windowId);
event.SetEventObject(this);
// use the current item by default
if ( item == -1 )
{
item = m_current;
}
// client data and string parameters only make sense if we have an item
if ( item != -1 )
{
if ( HasClientObjectData() )
event.SetClientObject(GetClientObject(item));
else if ( HasClientUntypedData() )
event.SetClientData(GetClientData(item));
event.SetString(GetString(item));
}
event.SetInt(item);
return GetEventHandler()->ProcessEvent(event);
}
void wxListBox::DoSetItems(const wxArrayString& items, void** clientData)
{
Widget listBox = (Widget) m_mainWidget;
if( HasClientObjectData() )
m_clientDataDict.DestroyData();
XmString *text = new XmString[items.GetCount()];
unsigned int i;
for (i = 0; i < items.GetCount(); ++i)
text[i] = wxStringToXmString (items[i]);
if ( clientData )
for (i = 0; i < items.GetCount(); ++i)
m_clientDataDict.Set(i, (wxClientData*)clientData[i], false);
XmListAddItems (listBox, text, items.GetCount(), 0);
for (i = 0; i < items.GetCount(); i++)
XmStringFree (text[i]);
delete[] text;
// It seems that if the list is cleared, we must re-ask for
// selection policy!!
SetSelectionPolicy();
m_noItems = items.GetCount();
}
void wxListBox::SetString(unsigned int n, const wxString& rsString)
{
wxCHECK_RET( IsValid(n),
wxT("invalid index in wxListBox::SetString") );
//
// Remember the state of the item
//
bool bWasSelected = IsSelected(n);
void* pOldData = NULL;
wxClientData* pOldObjData = NULL;
if ( HasClientUntypedData() )
pOldData = GetClientData(n);
else if ( HasClientObjectData() )
pOldObjData = GetClientObject(n);
//
// Delete and recreate it
//
::WinSendMsg( GetHwnd()
,LM_DELETEITEM
,(MPARAM)n
,(MPARAM)0
);
int nNewN = n;
if (n == (m_nNumItems - 1))
nNewN = -1;
::WinSendMsg( GetHwnd()
,LM_INSERTITEM
,(MPARAM)nNewN
,(MPARAM)rsString.wx_str()
);
//
// Restore the client data
//
if (pOldData)
SetClientData(n, pOldData);
else if (pOldObjData)
SetClientObject(n, pOldObjData);
//
// We may have lost the selection
//
if (bWasSelected)
Select(n);
#if wxUSE_OWNER_DRAWN
if (m_windowStyle & wxLB_OWNERDRAW)
//
// Update item's text
//
m_aItems[n]->SetName(rsString);
#endif //USE_OWNER_DRAWN
} // end of wxListBox::SetString
wxComboBox::~wxComboBox()
{
DetachWidget((Widget) m_mainWidget); // Removes event handlers
XtDestroyWidget((Widget) m_mainWidget);
m_mainWidget = (WXWidget) 0;
if ( HasClientObjectData() )
m_clientDataDict.DestroyData();
}
void wxComboBox::Clear()
{
XmComboBoxDeleteAllItems((Widget) m_mainWidget);
m_stringList.Clear();
if ( HasClientObjectData() )
m_clientDataDict.DestroyData();
m_noStrings = 0;
}
void wxListBox::Delete(unsigned int n)
{
Widget listBox = (Widget) m_mainWidget;
XmListDeletePos (listBox, n + 1);
m_clientDataDict.Delete(n, HasClientObjectData());
m_noItems --;
}
void wxChoice::FreeData()
{
if ( HasClientObjectData() )
{
size_t count = GetCount();
for ( size_t n = 0; n < count; n++ )
{
delete GetClientObject(n);
}
}
}
void wxChoice::Free()
{
if ( HasClientObjectData() )
{
unsigned int count = GetCount();
for ( unsigned int n = 0; n < count; n++ )
{
delete GetClientObject(n);
}
}
}
void wxChoice::Delete(int n)
{
wxCHECK_RET( n < GetCount(), wxT("invalid item index in wxChoice::Delete") );
if ( HasClientObjectData() )
{
delete GetClientObject(n);
}
::SendMessage(GetBuddyHwnd(), LB_DELETESTRING, n, 0);
}
wxChoice::~wxChoice()
{
if ( HasClientObjectData() )
{
unsigned int i, max = GetCount();
for ( i = 0; i < max; ++i )
delete GetClientObject( i );
}
delete m_popUpMenu;
}
void wxChoice::Delete(int n)
{
wxCHECK_RET( n < GetCount(), wxT("invalid item index in wxChoice::Delete") );
if ( HasClientObjectData() )
{
delete GetClientObject(n);
}
::DeleteMenuItem( MAC_WXHMENU(m_macPopUpMenuHandle) , n + 1) ;
m_strings.RemoveAt( n ) ;
m_datas.RemoveAt( n ) ;
m_peer->SetMaximum( GetCount() ) ;
}
void wxComboBox::Delete(unsigned int n)
{
XmComboBoxDeletePos((Widget) m_mainWidget, n+1);
wxStringList::Node *node = m_stringList.Item(n);
if (node)
{
delete[] node->GetData();
delete node;
}
m_clientDataDict.Delete(n, HasClientObjectData());
m_noStrings--;
}
void wxChoice::Delete(unsigned int n)
{
Widget w = (Widget)m_widgetArray[n];
XtRemoveCallback(w, XmNactivateCallback, (XtCallbackProc)wxChoiceCallback,
(XtPointer)this);
m_stringList.Erase(m_stringList.Item(n));
m_widgetArray.RemoveAt(size_t(n));
m_clientDataDict.Delete(n, HasClientObjectData());
XtDestroyWidget(w);
m_noStrings--;
}
void wxChoice::Delete(unsigned int n)
{
wxCHECK_RET( IsValid(n) , wxT("wxChoice::Delete: invalid index") );
if ( HasClientObjectData() )
delete GetClientObject( n );
::DeleteMenuItem( MAC_WXHMENU(m_macPopUpMenuHandle) , n + 1 ) ;
m_strings.RemoveAt( n ) ;
m_datas.RemoveAt( n ) ;
m_peer->SetMaximum( GetCount() ) ;
}
void
wxControlWithItemsBase::InitCommandEventWithItems(wxCommandEvent& event, int n)
{
InitCommandEvent(event);
if ( n != wxNOT_FOUND )
{
if ( HasClientObjectData() )
event.SetClientObject(GetClientObject(n));
else if ( HasClientUntypedData() )
event.SetClientData(GetClientData(n));
}
}
void wxItemContainer::Clear()
{
if ( HasClientObjectData() )
{
const unsigned count = GetCount();
for ( unsigned i = 0; i < count; ++i )
ResetItemClientObject(i);
}
SetClientDataType(wxClientData_None);
DoClear();
}
wxChoice::~wxChoice()
{
if ( HasClientObjectData() )
{
size_t i, max = GetCount();
for ( i = 0; i < max; ++i )
delete GetClientObject(i);
}
// DeleteMenu( m_macPopUpMenuId ) ;
// DisposeMenu( m_macPopUpMenuHandle ) ;
}
void wxItemContainer::Delete(unsigned int pos)
{
wxCHECK_RET( pos < GetCount(), wxT("invalid index") );
if ( HasClientObjectData() )
ResetItemClientObject(pos);
DoDeleteOneItem(pos);
if ( IsEmpty() )
{
SetClientDataType(wxClientData_None);
}
}
void wxListBox::HandleLineEvent( unsigned int n, bool doubleClick )
{
wxCommandEvent event( doubleClick ? wxEVT_COMMAND_LISTBOX_DOUBLECLICKED :
wxEVT_COMMAND_LISTBOX_SELECTED, GetId() );
event.SetEventObject( this );
if ( HasClientObjectData() )
event.SetClientObject( GetClientObject(n) );
else if ( HasClientUntypedData() )
event.SetClientData( GetClientData(n) );
event.SetString( GetString(n) );
event.SetInt( n );
event.SetExtraLong( 1 );
HandleWindowEvent(event);
}
void wxChoice::DoDeleteOneItem(unsigned int n)
{
wxCHECK_RET( IsValid(n) , wxT("wxChoice::Delete: invalid index") );
if ( HasClientObjectData() )
delete GetClientObject( n );
m_popUpMenu->Delete( m_popUpMenu->FindItemByPosition( n ) );
m_strings.RemoveAt( n ) ;
m_datas.RemoveAt( n ) ;
DoAfterItemCountChange();
}
void wxListBox::Clear()
{
if (m_noItems <= 0)
return;
wxSizeKeeper sk( this );
Widget listBox = (Widget) m_mainWidget;
XmListDeleteAllItems (listBox);
if( HasClientObjectData() )
m_clientDataDict.DestroyData();
sk.Restore();
m_noItems = 0;
}
void wxChoice::Delete(unsigned int n)
{
wxCHECK_RET( IsValid(n), wxT("invalid item index in wxChoice::Delete") );
if ( HasClientObjectData() )
{
delete GetClientObject(n);
}
SendMessage(GetHwnd(), CB_DELETESTRING, n, 0);
if ( !IsFrozen() )
UpdateVisibleHeight();
InvalidateBestSize();
}
bool wxListBoxBase::SendEvent(wxEventType evtType, int item, bool selected)
{
wxCommandEvent event(evtType, GetId());
event.SetEventObject(this);
event.SetInt(item);
event.SetString(GetString(item));
event.SetExtraLong(selected);
if ( HasClientObjectData() )
event.SetClientObject(GetClientObject(item));
else if ( HasClientUntypedData() )
event.SetClientData(GetClientData(item));
return HandleWindowEvent(event);
}
bool wxListBox::OS2Command(
WXUINT uParam
, WXWORD WXUNUSED(wId))
{
wxEventType eEvtType;
if (uParam == LN_SELECT)
{
eEvtType = wxEVT_COMMAND_LISTBOX_SELECTED;
}
else if (uParam == LN_ENTER)
{
eEvtType = wxEVT_COMMAND_LISTBOX_DOUBLECLICKED;
}
else
{
//
// Some event we're not interested in
//
return false;
}
wxCommandEvent vEvent( eEvtType
,m_windowId
);
vEvent.SetEventObject(this);
wxArrayInt aSelections;
int n;
int nCount = GetSelections(aSelections);
if (nCount > 0)
{
n = aSelections[0];
if (HasClientObjectData())
vEvent.SetClientObject(GetClientObject(n));
else if ( HasClientUntypedData() )
vEvent.SetClientData(GetClientData(n));
vEvent.SetString(GetString(n));
}
else
{
n = -1;
}
vEvent.SetInt(n);
return GetEventHandler()->ProcessEvent(vEvent);
} // end of wxListBox::OS2Command
void wxListBox::Free()
{
#if wxUSE_OWNER_DRAWN
if ( m_windowStyle & wxLB_OWNERDRAW )
{
WX_CLEAR_ARRAY(m_aItems);
}
else
#endif // wxUSE_OWNER_DRAWN
if ( HasClientObjectData() )
{
for ( unsigned int n = 0; n < m_noItems; n++ )
{
delete GetClientObject(n);
}
}
}
