128 lines
3.6 KiB
C++
128 lines
3.6 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2015 CERN
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* @author Maciej Suminski <maciej.suminski@cern.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef PICKER_TOOL_H
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#define PICKER_TOOL_H
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#include <tool/tool_interactive.h>
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#include <boost/optional/optional.hpp>
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#include <boost/function.hpp>
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/**
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* @brief Generic tool for picking a point.
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*/
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class PICKER_TOOL : public TOOL_INTERACTIVE
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{
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public:
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PICKER_TOOL();
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~PICKER_TOOL() {}
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///> Mouse event click handler type.
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typedef boost::function<bool(const VECTOR2D&)> CLICK_HANDLER;
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///> @copydoc TOOL_INTERACTIVE::Reset()
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void Reset( RESET_REASON aReason ) {}
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///> Main event loop.
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int Main( const TOOL_EVENT& aEvent );
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/**
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* Function SetSnapping()
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* Sets cursor snapping to grid for the period when the tool is active.
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*/
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inline void SetSnapping( bool aEnable ) { m_cursorSnapping = aEnable; }
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/**
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* Function SetCursorVisible()
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* Sets cursor visibility for the period when the tool is active.
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*/
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inline void SetCursorVisible( bool aEnable ) { m_cursorVisible = aEnable; }
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/**
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* Function SetAutoPanning()
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* Sets autopanning mode for the period when the tool is active.
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*/
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inline void SetAutoPanning( bool aEnable ) { m_autoPanning = aEnable; }
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/**
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* Function SetAutoPanning()
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* Toggles cursor capture mode for the period when the tool is active.
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*/
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inline void SetCursorCapture( bool aEnable ) { m_cursorCapture = aEnable; }
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/**
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* Function GetPoint()
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* Returns picked point.
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*/
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inline boost::optional<VECTOR2D> GetPoint() const
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{
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assert( !m_picking );
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return m_picked;
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}
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/**
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* Function IsPicking()
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* Returns information whether the tool is still active.
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*/
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bool IsPicking() const { return m_picking; }
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/**
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* Function SetClickHandler()
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* Sets a handler for mouse click event. Handler may decide to receive further click by
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* returning true.
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*/
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inline void SetClickHandler( CLICK_HANDLER aHandler )
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{
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assert( !m_clickHandler );
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m_clickHandler = aHandler;
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}
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///> @copydoc TOOL_INTERACTIVE::SetTransitions();
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void SetTransitions() override;
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private:
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// Tool settings.
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bool m_cursorSnapping;
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bool m_cursorVisible;
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bool m_cursorCapture;
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bool m_autoPanning;
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///> Optional mouse click event handler.
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boost::optional<CLICK_HANDLER> m_clickHandler;
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///> Picked point (if any).
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boost::optional<VECTOR2D> m_picked;
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///> Activity status.
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bool m_picking;
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///> Reinitializes tool to its initial state.
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void reset();
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///> Applies the requested VIEW_CONTROLS settings.
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void setControls();
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};
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#endif /* PICKER_TOOL_H */
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