kicad/include/widgets/wx_combobox.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2022 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef WX_COMBOBOX_H
#define WX_COMBOBOX_H
#include <map>
#include <wx/odcombo.h>
/**
* Fix some issues with wxCombobox:
* - setting the value of a non-read-only combobox doesn't work on MSW
* - rollover highlighting in the dropdown doesn't work on OSX
* - separators don't work anywhere
*/
class WX_COMBOBOX : public wxOwnerDrawnComboBox
{
public:
WX_COMBOBOX( wxWindow* aParent, int aId = wxID_ANY, const wxString& aValue = wxEmptyString,
const wxPoint& aPos = wxDefaultPosition, const wxSize& aSize = wxDefaultSize,
int n = 0, const wxString choices[] = nullptr, long style = 0 );
virtual ~WX_COMBOBOX();
void Append( const wxString& aText, const wxString& aMenuText = wxEmptyString );
int GetCharHeight() const override;
protected:
virtual void DoSetPopupControl( wxComboPopup* aPopup ) override;
virtual void OnDrawItem( wxDC& aDC, const wxRect& aRect, int aItem, int aFlags ) const override;
virtual wxCoord OnMeasureItem( size_t aItem ) const override;
virtual wxCoord OnMeasureItemWidth( size_t aItem ) const override;
/// Veto a mouseover event if in the separator
void TryVetoMouse( wxMouseEvent& aEvent );
/**
* Veto a select event for the separator
*
* @param aEvent - the wxCommandEvent caller
* @param aInner - true if event was called for the inner list (ie the popup)
*/
void TryVetoSelect( wxCommandEvent& aEvent, bool aInner );
/**
* Safely get a string for an item, returning wxEmptyString if the item doesn't exist.
*/
wxString GetMenuText( int aItem ) const;
/**
* Get selection from either the outer (combo box) or inner (popup) list.
*/
int GetSelectionEither( bool aInner ) const;
/**
* Safely set selection for either the outer (combo box) or inner (popup) list, doing nothing
* for invalid selections.
*/
void SetSelectionEither( bool aInner, int aSel );
private:
std::map<int, wxString> m_menuText;
int m_lastSelection;
};
#endif // WX_COMBOBOX_H