kicad/eeschema/tools/sch_line_wire_bus_tool.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
2019-08-14 08:28:07 +00:00
* 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 SCH_LINE_WIRE_BUS_TOOL_H
#define SCH_LINE_WIRE_BUS_TOOL_H
#include <wx/gdicmn.h>
#include <wx/string.h>
#include <string>
#include <vector>
#include <math/vector2d.h>
#include <sch_edit_frame.h>
#include <sch_line.h>
#include <ee_tool_base.h>
class TOOL_EVENT;
class SCH_BUS_WIRE_ENTRY;
class SCH_LABEL;
class SCH_EDIT_FRAME;
class EE_SELECTION_TOOL;
/// Collection of data related to the bus unfolding tool
struct BUS_UNFOLDING_T
{
bool in_progress; ///< True if bus unfold operation is running
bool flipX; ///< True if the bus entry should be flipped in the x-axis
bool flipY; ///< True if the bus entry should be flipped in the y-axis
bool label_placed; ///< True if user has placed the net label
VECTOR2I origin; ///< Origin (on the bus) of the unfold
wxString net_name; ///< Net label for the unfolding operation
SCH_BUS_WIRE_ENTRY* entry;
SCH_LABEL* label;
};
struct DRAW_SEGMENT_EVENT_PARAMS
{
SCH_LAYER_ID layer;
bool quitOnDraw;
SCH_LINE* sourceSegment;
};
/**
* Tool responsible for drawing/placing items (symbols, wires, buses, labels, etc.)
*/
class SCH_LINE_WIRE_BUS_TOOL : public EE_TOOL_BASE<SCH_EDIT_FRAME>
{
public:
SCH_LINE_WIRE_BUS_TOOL();
~SCH_LINE_WIRE_BUS_TOOL();
/// @copydoc TOOL_INTERACTIVE::Init()
bool Init() override;
int DrawSegments( const TOOL_EVENT& aEvent );
int UnfoldBus( const TOOL_EVENT& aEvent );
// SELECTION_CONDITIONs:
static bool IsDrawingLine( const SELECTION& aSelection );
static bool IsDrawingWire( const SELECTION& aSelection );
static bool IsDrawingBus( const SELECTION& aSelection );
static bool IsDrawingLineWireOrBus( const SELECTION& aSelection );
/**
* Handle the addition of junctions to a selection of objects
*/
int AddJunctionsIfNeeded( EE_SELECTION* aSelection );
/**
* Logic to remove wires when overlapping correct items
*/
int TrimOverLappingWires( EE_SELECTION* aSelection );
private:
int doDrawSegments( const TOOL_EVENT& aTool, int aType, bool aQuitOnDraw );
SCH_LINE* startSegments( int aType, const VECTOR2D& aPos, SCH_LINE* aSegment = nullptr );
SCH_LINE* doUnfoldBus( const wxString& aNet, const VECTOR2I& aPos = VECTOR2I( 0, 0 ) );
void finishSegments();
/**
* Iterate over the wire list and removes the null segments and
* overlapping segments to create a simplified wire list
*/
void simplifyWireList();
///< Set up handlers for various events.
void setTransitions() override;
/**
* Search for a sheet pin at a location.
*
* @param aPosition grid point to search for existing sheet pin
* @return Pointer to sheet pin or nullptr on failure
*/
const SCH_SHEET_PIN* getSheetPin( const VECTOR2I& aPosition );
/**
* Compute the middle coordinate for 2 segments from the start point to \a aPosition
* with the segments kept in the horizontal or vertical axis only.
*
* @param aSegments A pair of pointers to a #SCH_LINE objects containing the first line
* break point to compute.
* @param aPosition A reference to a wxPoint object containing the coordinates of the
* position used to calculate the line break point.
* @param mode LINE_MODE specifying the way to break the line
* @param posture Toggles the posture of the line
*/
void computeBreakPoint( const std::pair<SCH_LINE*, SCH_LINE*>& aSegments, VECTOR2I& aPosition,
LINE_MODE mode, bool posture );
private:
bool m_inDrawingTool; // Reentrancy guard
BUS_UNFOLDING_T m_busUnfold;
std::vector<SCH_LINE*> m_wires; // Lines being drawn
};
#endif /* SCH_LINE_WIRE_BUS_TOOL_H */