///////////////////////////////////////////////////////////////////////////////
-// 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
+// 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
// ============================================================================
+wxListBoxBase::~wxListBoxBase()
+{
+ // this destructor is required for Darwin
+}
+
// ----------------------------------------------------------------------------
-// adding items
+// selection
// ----------------------------------------------------------------------------
-void wxListBoxBase::InsertItems(int nItems, const wxString *items, int pos)
+bool wxListBoxBase::SetStringSelection(const wxString& s, bool select)
+{
+ const int sel = FindString(s);
+ if ( sel == wxNOT_FOUND )
+ return false;
+
+ SetSelection(sel, select);
+
+ return true;
+}
+
+void wxListBoxBase::DeselectAll(int itemToLeaveSelected)
{
- wxArrayString aItems;
- for ( int n = 0; n < nItems; n++ )
+ 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
{
- aItems.Add(items[n]);
+ int sel = GetSelection();
+ if ( sel != wxNOT_FOUND && sel != itemToLeaveSelected )
+ {
+ Deselect(sel);
+ }
}
+}
- DoInsertItems(aItems, pos);
+void wxListBoxBase::UpdateOldSelections()
+{
+ if (HasFlag(wxLB_MULTIPLE) || HasFlag(wxLB_EXTENDED))
+ GetSelections( m_oldSelections );
}
+static void LBSendEvent( wxCommandEvent &event, wxListBoxBase *listbox, int item )
+{
+ 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::Set(int nItems, const wxString* items, void **clientData)
+void wxListBoxBase::CalcAndSendEvent()
{
- wxArrayString aItems;
- for ( int n = 0; n < nItems; n++ )
+ wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, GetId());
+ event.SetEventObject( this );
+
+ wxArrayInt selections;
+ GetSelections(selections);
+
+ if ( selections.empty() && m_oldSelections.empty() )
{
- aItems.Add(items[n]);
+ // nothing changed, just leave
+ return;
}
- DoSetItems(aItems, clientData);
-}
+ const size_t countSel = selections.size(),
+ countSelOld = m_oldSelections.size();
+ if ( countSel == countSelOld )
+ {
+ bool changed = false;
+ for ( size_t idx = 0; idx < countSel; idx++ )
+ {
+ if (selections[idx] != m_oldSelections[idx])
+ {
+ changed = true;
+ break;
+ }
+ }
+
+ // nothing changed, just leave
+ if ( !changed )
+ return;
+ }
-// ----------------------------------------------------------------------------
-// selection
-// ----------------------------------------------------------------------------
+ int item = wxNOT_FOUND;
+ if ( selections.empty() )
+ {
+ // indicate that this is a deselection
+ event.SetExtraLong(0);
+ item = m_oldSelections[0];
+ }
+ else // we [still] have some selections
+ {
+ // Now test if any new item is selected
+ bool any_new_selected = false;
+ for ( size_t idx = 0; idx < countSel; 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);
+ }
+ else // no new items selected
+ {
+ // Now test if any new item is deselected
+ bool any_new_deselected = false;
+ for ( size_t idx = 0; idx < countSelOld; 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);
+ }
+ else
+ {
+ item = wxNOT_FOUND; // this should be impossible
+ }
+ }
+ }
-bool wxListBoxBase::SetStringSelection(const wxString& s, bool select)
-{
- int sel = FindString(s);
- wxCHECK_MSG( sel != -1, FALSE,
- wxT("invalid string in SetStringSelection") );
+ wxASSERT_MSG( item != wxNOT_FOUND,
+ "Logic error in wxListBox selection event generation code" );
- SetSelection(sel, select);
+ m_oldSelections = selections;
- return TRUE;
+ LBSendEvent(event, this, item);
}
// ----------------------------------------------------------------------------
void wxListBoxBase::Command(wxCommandEvent& event)
{
- SetSelection(event.m_commandInt, event.m_extraLong);
- (void)ProcessEvent(event);
+ SetSelection(event.GetInt(), event.GetExtraLong() != 0);
+ (void)GetEventHandler()->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::AppendAndEnsureVisible(const wxString& s)
+{
+ 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