144 lines
4.4 KiB
C++
144 lines
4.4 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) 2013-2017 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 POINT_EDITOR_H
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#define POINT_EDITOR_H
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#include <tool/tool_interactive.h>
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#include "tool/edit_points.h"
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#include <status_popup.h>
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#include <memory>
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class SELECTION_TOOL;
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class SHAPE_POLY_SET;
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/**
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* Class POINT_EDITOR
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*
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* Tool that displays edit points allowing to modify items by dragging the points.
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*/
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class POINT_EDITOR : public PCB_TOOL_BASE
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{
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public:
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POINT_EDITOR();
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/// @copydoc TOOL_INTERACTIVE::Reset()
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void Reset( RESET_REASON aReason ) override;
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/// @copydoc TOOL_INTERACTIVE::Init()
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bool Init() override;
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/**
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* Function OnSelected()
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*
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* Change selection event handler.
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*/
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int OnSelectionChange( const TOOL_EVENT& aEvent );
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/**
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* Indicates the cursor is over an edit point. Used to coordinate cursor shapes with
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* other tools.
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*/
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bool HasPoint() { return m_editedPoint != nullptr; }
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///> Sets up handlers for various events.
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void setTransitions() override;
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private:
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///> Selection tool used for obtaining selected items
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SELECTION_TOOL* m_selectionTool;
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///> Currently edited point, NULL if there is none.
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EDIT_POINT* m_editedPoint;
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///> Original position for the current drag point.
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EDIT_POINT m_original;
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///> Currently available edit points.
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std::shared_ptr<EDIT_POINTS> m_editPoints;
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// Alternative constraint, enabled while a modifier key is held
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std::shared_ptr<EDIT_CONSTRAINT<EDIT_POINT> > m_altConstraint;
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// EDIT_POINT for alternative constraint mode
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EDIT_POINT m_altConstrainer;
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// Flag indicating whether the selected zone needs to be refilled
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bool m_refill;
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std::unique_ptr<STATUS_TEXT_POPUP> m_statusPopup;
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///> Updates item's points with edit points.
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void updateItem() const;
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///> Applies the last changes to the edited item.
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void finishItem();
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/**
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* Validates a polygon and displays a popup warning if invalid.
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* @param aModified is the polygon to be checked.
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* @return True if polygon is valid.
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*/
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bool validatePolygon( SHAPE_POLY_SET& aModified ) const;
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///> Updates edit points with item's points.
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void updatePoints();
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///> Updates which point is being edited.
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void updateEditedPoint( const TOOL_EVENT& aEvent );
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///> Sets the current point being edited. NULL means none.
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void setEditedPoint( EDIT_POINT* aPoint );
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///> Returns true if aPoint is the currently modified point.
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inline bool isModified( const EDIT_POINT& aPoint ) const
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{
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return m_editedPoint == &aPoint;
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}
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///> Sets up an alternative constraint (typically enabled upon a modifier key being pressed).
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void setAltConstraint( bool aEnabled );
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///> Returns a point that should be used as a constrainer for 45 degrees mode.
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EDIT_POINT get45DegConstrainer() const;
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///> Condition to display "Create corner" context menu entry.
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static bool addCornerCondition( const SELECTION& aSelection );
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///> Determine if the tool can currently add a corner to the given item
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static bool canAddCorner( const EDA_ITEM& aItem );
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///> Condition to display "Remove corner" context menu entry.
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bool removeCornerCondition( const SELECTION& aSelection );
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/// TOOL_ACTION handlers
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int addCorner( const TOOL_EVENT& aEvent );
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int removeCorner( const TOOL_EVENT& aEvent );
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int modifiedSelection( const TOOL_EVENT& aEvent );
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};
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#endif
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