kicad/eeschema/tools/sch_move_tool.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
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* Copyright (C) 2019 CERN
* Copyright (C) 2019-2021 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
*/
#ifndef KICAD_SCH_MOVE_TOOL_H
#define KICAD_SCH_MOVE_TOOL_H
#include <tools/ee_tool_base.h>
#include <sch_base_frame.h>
class SCH_EDIT_FRAME;
class EE_SELECTION_TOOL;
struct SPECIAL_CASE_LABEL_INFO
{
SCH_LINE* attachedLine;
VECTOR2I originalLabelPos;
};
class SCH_MOVE_TOOL : public EE_TOOL_BASE<SCH_EDIT_FRAME>
{
public:
SCH_MOVE_TOOL();
~SCH_MOVE_TOOL() override { }
/// @copydoc TOOL_INTERACTIVE::Init()
bool Init() override;
/**
* Run an interactive move of the selected items, or the item under the cursor.
*/
int Main( const TOOL_EVENT& aEvent );
/**
* Align selected elements to the grid.
*
* @param aEvent current event that activated the tool
* @return 0
*/
int AlignElements( const TOOL_EVENT& aEvent );
private:
void moveItem( EDA_ITEM* aItem, const VECTOR2I& aDelta );
///< Find additional items for a drag operation.
///< Connected items with no wire are included (as there is no wire to adjust for the drag).
///< Connected wires are included with any un-connected ends flagged (STARTPOINT or ENDPOINT).
void getConnectedItems( SCH_ITEM* aOriginalItem, const VECTOR2I& aPoint, EDA_ITEMS& aList );
void getConnectedDragItems( SCH_ITEM* fixed, const VECTOR2I& selected, EDA_ITEMS& aList,
bool& aAppendUndo );
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void orthoLineDrag( SCH_LINE* line, const VECTOR2I& splitDelta, int& xBendCount,
int& yBendCount, const EE_GRID_HELPER& grid );
///< Saves the new drag lines to the undo list
void commitDragLines();
///< Clears the new drag lines and removes them from the screen
void clearNewDragLines();
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///< Set up handlers for various events.
void setTransitions() override;
///< Cleanup dangling lines left after a drag
void trimDanglingLines();
private:
///< Re-entrancy guard
bool m_inMoveTool;
///< Flag determining if anything is being dragged right now
bool m_moveInProgress;
bool m_isDrag;
///< Items (such as wires) which were added to the selection for a drag
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std::vector<KIID> m_dragAdditions;
///< Cache of the line's original connections before dragging started
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std::map<SCH_LINE*, EDA_ITEMS> m_lineConnectionCache;
///< Lines added at bend points dynamically during the move
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std::unordered_set<SCH_LINE*> m_newDragLines;
///< Lines changed by drag algorithm that weren't selected
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std::unordered_set<SCH_LINE*> m_changedDragLines;
///< Used for chaining commands
VECTOR2I m_moveOffset;
///< Last cursor position (needed for getModificationPoint() to avoid changes
///< of edit reference point).
VECTOR2I m_cursor;
OPT_VECTOR2I m_anchorPos;
// A map of labels to scaling factors. Used to scale the movement vector for labels that
// are attached to wires which have only one end moving.
std::map<SCH_LABEL_BASE*, SPECIAL_CASE_LABEL_INFO> m_specialCaseLabels;
// A map of sheet pins to the line-endings (true == start) they're connected to. Sheet
// pins are constrained in their movement so their attached lines must be too.
std::map<SCH_SHEET_PIN*, std::pair<SCH_LINE*, bool>> m_specialCaseSheetPins;
};
#endif //KICAD_SCH_MOVE_TOOL_H