kicad/pcbnew/tools/placement_tool.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2014 CERN
* @author Maciej Suminski <maciej.suminski@cern.ch>
*
* 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
*/
#ifndef ALIGN_DISTRIBUTE_TOOL_H_
#define ALIGN_DISTRIBUTE_TOOL_H_
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#include <tool/tool_interactive.h>
#include <class_board_item.h>
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typedef std::vector<std::pair<BOARD_ITEM*, EDA_RECT>> ALIGNMENT_RECTS;
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class SELECTION_TOOL;
class ALIGN_DISTRIBUTE_TOOL : public TOOL_INTERACTIVE
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{
public:
ALIGN_DISTRIBUTE_TOOL();
virtual ~ALIGN_DISTRIBUTE_TOOL();
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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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/**
* Function AlignTop()
* Sets Y coordinate of the selected items to the value of the top-most selected item Y coordinate.
*/
int AlignTop( const TOOL_EVENT& aEvent );
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/**
* Function AlignBottom()
* Sets Y coordinate of the selected items to the value of the bottom-most selected item Y coordinate.
*/
int AlignBottom( const TOOL_EVENT& aEvent );
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/**
* Function AlignLeft()
* Sets X coordinate of the selected items to the value of the left-most selected item X coordinate.
*/
int AlignLeft( const TOOL_EVENT& aEvent );
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/**
* Function AlignRight()
* Sets X coordinate of the selected items to the value of the right-most selected item X coordinate.
*/
int AlignRight( const TOOL_EVENT& aEvent );
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/**
* Function AlignCenterX()
* Sets the x coordinate of the midpoint of each of the selected items to
* the value of the x coordinate of the center of the middle selected item.
*/
int AlignCenterX( const TOOL_EVENT& aEvent );
/**
* Function AlignCenterX()
* Sets the y coordinate of the midpoint of each of the selected items to
* the value of the y coordinate of the center of the middle selected item.
*/
int AlignCenterY( const TOOL_EVENT& aEvent );
/**
* Function DistributeHorizontally()
* Distributes the selected items along the X axis.
*/
int DistributeHorizontally( const TOOL_EVENT& aEvent );
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/**
* Function DistributeVertically()
* Distributes the selected items along the Y axis.
*/
int DistributeVertically( const TOOL_EVENT& aEvent );
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///> Sets up handlers for various events.
void setTransitions() override;
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private:
/**
* Sets X coordinate of the selected items to the value of the left-most selected item X coordinate.
*
* NOTE: Uses the bounding box of items, which do not get mirrored even when
* the view is mirrored!
*/
int doAlignLeft();
/**
* Aligns selected items using the right edge of their bounding boxes to the right-most item
*
* NOTE: Uses the bounding box of items, which do not get mirrored even when
* the view is mirrored!
*/
int doAlignRight();
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SELECTION_TOOL* m_selectionTool;
CONTEXT_MENU* m_placementMenu;
/**
* Check a selection to ensure locks are valid for alignment.
*
* This is slightly different from the standard lock checking in that we ignore the lock
* of the first element in the selection as this is meant to be our anchor.
* We also check the lock of a pad's parent as we will not move pads independently of
* the parent module
*/
int checkLockedStatus( const SELECTION &selection ) const;
/**
* Distributes selected items using an even spacing between the centers of their bounding boxes
*
* NOTE: Using the centers of bounding box of items can give unsatisfactory visual results since
* items of differing widths will be placed with different gaps. Is only used if items overlap
*/
void doDistributeCentersHorizontally( ALIGNMENT_RECTS &itemsToDistribute ) const;
/**
* Distributes selected items using an even spacing between the centers of their bounding boxes
*
* NOTE: Using the centers of bounding box of items can give unsatisfactory visual results since
* items of differing widths will be placed with different gaps. Is only used if items overlap
*/
void doDistributeCentersVertically( ALIGNMENT_RECTS &itemsToDistribute ) const;
/**
* Distributes selected items using an even spacing between their bounding boxes
*
* NOTE: Using the edges of bounding box of items is only possible if there is enough space
* between them. If this is not the case, use the center spacing method
*/
void doDistributeGapsHorizontally( ALIGNMENT_RECTS &itemsToDistribute,
const BOARD_ITEM *lastItem,
int totalGap ) const;
/**
* Distributes selected items using an even spacing between their bounding boxes
*
* NOTE: Using the edges of bounding box of items is only possible if there is enough space
* between them. If this is not the case, use the center spacing method
*/
void doDistributeGapsVertically( ALIGNMENT_RECTS &itemsToDistribute,
const BOARD_ITEM *lastItem,
int totalGap ) const;
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};
#endif /* ALIGN_DISTRIBUTE_TOOL_H_ */