///////////////////////////////////////////////////////////////////////////////
-// Name: common/lboxcmn.cpp
+// Name: src/common/lboxcmn.cpp
// Purpose: wxListBox class methods common to all platforms
// Author: Vadim Zeitlin
// Modified by:
// Created: 22.10.99
// RCS-ID: $Id$
-// Copyright: (c) wxWindows team
-// Licence: wxWindows licence
+// Copyright: (c) wxWidgets team
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "listboxbase.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
+#if wxUSE_LISTBOX
+
+#include "wx/listbox.h"
+
#ifndef WX_PRECOMP
- #include "wx/listbox.h"
+ #include "wx/dynarray.h"
+ #include "wx/arrstr.h"
#endif
+#include "wx/log.h"
+
// ============================================================================
// implementation
// ============================================================================
-// ----------------------------------------------------------------------------
-// adding items
-// ----------------------------------------------------------------------------
-
-void wxListBoxBase::InsertItems(int nItems, const wxString *items, int pos)
+wxListBoxBase::~wxListBoxBase()
{
- wxArrayString aItems;
- for ( int n = 0; n < nItems; n++ )
- {
- aItems.Add(items[n]);
- }
-
- DoInsertItems(aItems, pos);
-}
-
-
-void wxListBoxBase::Set(int nItems, const wxString* items, void **clientData)
-{
- wxArrayString aItems;
- for ( int n = 0; n < nItems; n++ )
- {
- aItems.Add(items[n]);
- }
-
- DoSetItems(aItems, clientData);
+ // this destructor is required for Darwin
}
// ----------------------------------------------------------------------------
// selection
// ----------------------------------------------------------------------------
-wxString wxListBoxBase::GetStringSelection () const
-{
- wxString s;
- int sel = GetSelection();
- if ( sel != -1 )
- s = GetString(sel);
-
- return s;
-}
-
bool wxListBoxBase::SetStringSelection(const wxString& s, bool select)
{
- int sel = FindString(s);
- wxCHECK_MSG( sel != -1, FALSE,
- wxT("invalid string in wxListBox::SetStringSelection") );
+ const int sel = FindString(s);
+ if ( sel == wxNOT_FOUND )
+ return false;
SetSelection(sel, select);
- return TRUE;
+ return true;
}
-// ----------------------------------------------------------------------------
-// client data
-// ----------------------------------------------------------------------------
-
-void wxListBoxBase::SetClientObject(int n, wxClientData *data)
+void wxListBoxBase::DeselectAll(int itemToLeaveSelected)
{
- wxASSERT_MSG( m_clientDataItemsType != ClientData_Void,
- wxT("can't have both object and void client data") );
-
- wxClientData *clientDataOld = DoGetClientObject(n);
- if ( clientDataOld )
- delete clientDataOld;
-
- DoSetClientObject(n, data);
- m_clientDataItemsType = ClientData_Object;
+ if ( HasMultipleSelection() )
+ {
+ wxArrayInt selections;
+ GetSelections(selections);
+
+ size_t count = selections.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ int item = selections[n];
+ if ( item != itemToLeaveSelected )
+ Deselect(item);
+ }
+ }
+ else // single selection
+ {
+ int sel = GetSelection();
+ if ( sel != wxNOT_FOUND && sel != itemToLeaveSelected )
+ {
+ Deselect(sel);
+ }
+ }
}
-wxClientData *wxListBoxBase::GetClientObject(int n) const
+void wxListBoxBase::UpdateOldSelections()
{
- wxASSERT_MSG( m_clientDataItemsType == ClientData_Object,
- wxT("this window doesn't have object client data") );
-
- return DoGetClientObject(n);
+ if (HasFlag(wxLB_MULTIPLE) || HasFlag(wxLB_EXTENDED))
+ GetSelections( m_oldSelections );
}
-void wxListBoxBase::SetClientData(int n, void *data)
+static void LBSendEvent( wxCommandEvent &event, wxListBoxBase *listbox, int item )
{
- wxASSERT_MSG( m_clientDataItemsType != ClientData_Object,
- wxT("can't have both object and void client data") );
-
- DoSetClientData(n, data);
- m_clientDataItemsType = ClientData_Void;
+ event.SetInt( item );
+ event.SetString( listbox->GetString( item ) );
+ if ( listbox->HasClientObjectData() )
+ event.SetClientObject( listbox->GetClientObject(item) );
+ else if ( listbox->HasClientUntypedData() )
+ event.SetClientData( listbox->GetClientData(item) );
+ listbox->HandleWindowEvent( event );
}
-void *wxListBoxBase::GetClientData(int n) const
+void wxListBoxBase::CalcAndSendEvent()
{
- wxASSERT_MSG( m_clientDataItemsType == ClientData_Void,
- wxT("this window doesn't have void client data") );
-
- return DoGetClientData(n);
+ wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, GetId() );
+ event.SetEventObject( this );
+
+ wxArrayInt selections;
+ GetSelections( selections );
+
+ if ((selections.GetCount() == 0) && (m_oldSelections.GetCount() == 0))
+ {
+ // nothing changed, just leave
+ return;
+ }
+
+ if (selections.GetCount() == m_oldSelections.GetCount())
+ {
+ bool changed = false;
+ size_t idx;
+ for (idx = 0; idx < selections.GetCount(); idx++)
+ {
+ if (selections[idx] != m_oldSelections[idx])
+ {
+ changed = true;
+ break;
+ }
+ }
+
+ // nothing changed, just leave
+ if (!changed)
+ return;
+ }
+
+ if (selections.GetCount() == 0)
+ {
+ // indicate that this is a deselection
+ event.SetExtraLong( 0 );
+ int item = m_oldSelections[0];
+ m_oldSelections = selections;
+ LBSendEvent( event, this, item );
+ return;
+ }
+
+ int item;
+ // Now test if any new item is selected
+ bool any_new_selected = false;
+ size_t idx;
+ for (idx = 0; idx < selections.GetCount(); idx++)
+ {
+ item = selections[idx];
+ if (m_oldSelections.Index(item) == wxNOT_FOUND)
+ {
+ any_new_selected = true;
+ break;
+ }
+ }
+
+ if (any_new_selected)
+ {
+ // indicate that this is a selection
+ event.SetExtraLong( 1 );
+ m_oldSelections = selections;
+ LBSendEvent( event, this, item );
+ return;
+ }
+
+ // Now test if any new item is deselected
+ bool any_new_deselected = false;
+ for (idx = 0; idx < m_oldSelections.GetCount(); idx++)
+ {
+ item = m_oldSelections[idx];
+ if (selections.Index(item) == wxNOT_FOUND)
+ {
+ any_new_deselected = true;
+ break;
+ }
+ }
+
+ if (any_new_deselected)
+ {
+ // indicate that this is a selection
+ event.SetExtraLong( 0 );
+ m_oldSelections = selections;
+ LBSendEvent( event, this, item );
+ return;
+ }
+
+ wxLogError( wxT("Wrong wxListBox selection") );
}
// ----------------------------------------------------------------------------
// misc
// ----------------------------------------------------------------------------
+void wxListBoxBase::Command(wxCommandEvent& event)
+{
+ SetSelection(event.GetInt(), event.GetExtraLong() != 0);
+ (void)ProcessEvent(event);
+}
+
+// ----------------------------------------------------------------------------
+// SetFirstItem() and such
+// ----------------------------------------------------------------------------
+
void wxListBoxBase::SetFirstItem(const wxString& s)
{
int n = FindString(s);
- wxCHECK_RET( n != -1, wxT("invalid string in wxListBox::SetFirstItem") );
+ wxCHECK_RET( n != wxNOT_FOUND, wxT("invalid string in wxListBox::SetFirstItem") );
DoSetFirstItem(n);
}
-void wxListBoxBase::Command(wxCommandEvent & event)
+void wxListBoxBase::AppendAndEnsureVisible(const wxString& s)
{
- SetSelection(event.m_commandInt, event.m_extraLong);
- (void)ProcessEvent(event);
+ Append(s);
+ EnsureVisible(GetCount() - 1);
+}
+
+void wxListBoxBase::EnsureVisible(int WXUNUSED(n))
+{
+ // the base class version does nothing (the only alternative would be to
+ // call SetFirstItem() but this is probably even more stupid)
}
+#endif // wxUSE_LISTBOX
projects / wxWidgets.git / blobdiff