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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright The KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <widgets/grid_combobox.h>
//-------- Renderer ---------------------------------------------------------------------
// None required; just render as normal text.
//-------- Editor -----------------------------------------------------------------------
//
// Note: this implementation is an adaptation of wxGridCellChoiceEditor
GRID_CELL_COMBOBOX::GRID_CELL_COMBOBOX( const wxArrayString& names ) :
m_names( names )
{
}
wxGridCellEditor* GRID_CELL_COMBOBOX::Clone() const
{
return new GRID_CELL_COMBOBOX( m_names );
}
void GRID_CELL_COMBOBOX::Create( wxWindow* aParent, wxWindowID aId, wxEvtHandler* aEventHandler )
{
m_control = new wxComboBox( aParent, wxID_ANY, wxEmptyString,
wxDefaultPosition, wxDefaultSize, m_names );
wxGridCellEditor::Create(aParent, aId, aEventHandler);
}
wxString GRID_CELL_COMBOBOX::GetValue() const
{
return Combo()->GetValue();
}
void GRID_CELL_COMBOBOX::SetSize( const wxRect& aRect )
{
wxRect rect( aRect );
rect.Inflate( -1 );
#if defined( __WXMAC__ )
rect.Inflate( 3 ); // no FOCUS_RING, even on Mac
#endif
Combo()->SetSize( rect, wxSIZE_ALLOW_MINUS_ONE );
}
void GRID_CELL_COMBOBOX::BeginEdit( int aRow, int aCol, wxGrid* aGrid )
{
auto evtHandler = static_cast<wxGridCellEditorEvtHandler*>( m_control->GetEventHandler() );
// Don't immediately end if we get a kill focus event within BeginEdit
evtHandler->SetInSetFocus( true );
// These event handlers are needed to properly dismiss the editor when the popup is closed
m_control->Bind(wxEVT_COMBOBOX_DROPDOWN, &GRID_CELL_COMBOBOX::onComboDropDown, this);
m_control->Bind(wxEVT_COMBOBOX_CLOSEUP, &GRID_CELL_COMBOBOX::onComboCloseUp, this);
m_value = aGrid->GetTable()->GetValue( aRow, aCol );
Combo()->SetFocus();
// Work around a wxWidgets bug where the drop-down is the wrong width on the first drop.
Combo()->Set( Combo()->GetStrings() );
Combo()->ChangeValue( m_value );
Combo()->SelectAll();
#ifdef __WXOSX_COCOA__
// This is a work around for the combobox being simply dismissed when a
// choice is made in it under OS X. The bug is almost certainly due to a
// problem in focus events generation logic but it's not obvious to fix and
// for now this at least allows one to use wxGrid.
Combo()->Popup();
#endif
// When dropping down the menu, a kill focus event
// happens after this point, so we can't reset the flag yet.
#if !defined(__WXGTK__)
evtHandler->SetInSetFocus( false );
#endif
}
bool GRID_CELL_COMBOBOX::EndEdit( int , int , const wxGrid* , const wxString& , wxString *aNewVal )
{
const wxString value = Combo()->GetValue();
if( value == m_value )
return false;
m_value = value;
if( aNewVal )
*aNewVal = value;
return true;
}
void GRID_CELL_COMBOBOX::ApplyEdit( int aRow, int aCol, wxGrid* aGrid )
{
aGrid->GetTable()->SetValue( aRow, aCol, m_value );
}
void GRID_CELL_COMBOBOX::Reset()
{
}
void GRID_CELL_COMBOBOX::onComboDropDown( wxCommandEvent& aEvent )
{
auto evtHandler = static_cast<wxGridCellEditorEvtHandler*>( m_control->GetEventHandler() );
// Once the combobox is dropped, reset the flag to allow the focus-loss handler
// to function and close the editor.
evtHandler->SetInSetFocus( false );
}
void GRID_CELL_COMBOBOX::onComboCloseUp( wxCommandEvent& aEvent )
{
auto evtHandler = static_cast<wxGridCellEditorEvtHandler*>( m_control->GetEventHandler() );
// Forward the combobox close up event to the cell event handler as a focus kill event
// so that the grid editor is dismissed when the combox closes, otherwise it leaves the
// dropdown arrow visible in the cell.
wxFocusEvent event( wxEVT_KILL_FOCUS, m_control->GetId() );
event.SetEventObject( m_control );
evtHandler->ProcessEvent( event );
}
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