/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2014-2017 CERN * @author Maciej Suminski * * 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 __DRAWING_TOOL_H #define __DRAWING_TOOL_H #include #include #include namespace KIGFX { class VIEW; class VIEW_CONTROLS; } class BOARD; class PCB_BASE_EDIT_FRAME; class DRAWSEGMENT; /** * Class DRAWING_TOOL * * Tool responsible for drawing graphical elements like lines, arcs, circles, etc. */ class DRAWING_TOOL : public PCB_TOOL { public: DRAWING_TOOL(); ~DRAWING_TOOL(); /// @copydoc TOOL_INTERACTIVE::Init() bool Init() override; /// @copydoc TOOL_INTERACTIVE::Reset() void Reset( RESET_REASON aReason ) override; ///> Get the DRAWING_TOOL top-level context menu inline TOOL_MENU& GetToolMenu() { return m_menu; } ///> The possible drawing modes of DRAWING_TOOL enum class MODE { NONE, LINE, CIRCLE, ARC, TEXT, ANCHOR, DXF, DIMENSION, KEEPOUT, ZONE, }; /** * Function GetDrawingMode * * Returns the current drawing mode of the DRAWING_TOOL, or * MODE::NONE if not currently in any drawing mode */ MODE GetDrawingMode() const; /** * Function DrawLine() * Starts interactively drawing a line. After invoking the function it expects the user * to click at least two times to determine the origin and the end for a line. If there are * more clicks, the line is drawn as a continous polyline. */ int DrawLine( const TOOL_EVENT& aEvent ); /** * Function DrawCircle() * Starts interactively drawing a circle. After invoking the function it expects the user * to first click on a point that is going to be used as the center of the circle. The second * click determines the circle radius. */ int DrawCircle( const TOOL_EVENT& aEvent ); /** * Function DrawArc() * Starts interactively drawing an arc. After invoking the function it expects the user * to first click on a point that is going to be used as the center of the arc. The second * click determines the origin and radius, the third one - the angle. */ int DrawArc( const TOOL_EVENT& aEvent ); /** * Function PlaceText() * Displays a dialog that allows to input text and its settings and then lets the user decide * where to place the text in editor. */ int PlaceText( const TOOL_EVENT& aEvent ); /** * Function DrawDimension() * Starts interactively drawing a dimension. After invoking the function it expects the user * to first click on a point that is going to be used as the origin of the dimension. * The second click determines the end and the third click modifies its height. */ int DrawDimension( const TOOL_EVENT& aEvent ); /** * Function DrawZone() * Starts interactively drawing a zone. After invoking the function a zone settings dialog * is displayed. After confirmation it allows the user to set points that are going to be used * as a boundary polygon of the zone. Double click or clicking on the origin of the boundary * polyline finishes the drawing. */ int DrawZone( const TOOL_EVENT& aEvent ); /** * Function DrawKeepout() * Starts interactively drawing a keepout area. After invoking the function an area settings * dialog is displayed. After confirmation it allows the user to set points that are going to * be used as a boundary polygon of the area. Double click or clicking on the origin of the * boundary polyline finishes the drawing. */ int DrawKeepout( const TOOL_EVENT& aEvent ); /** * Function DrawZoneCutout() * Starts interactively drawing a zone cutout area of an existing zone. * The normal zone interactive tool is used, but the zone settings * dialog is not shown (since the cutout affects only shape of an * existing zone). */ int DrawZoneCutout( const TOOL_EVENT& aEvent ); /** * Function DrawSimilarZone() * Starts interactively drawing a zone with same settings as * an existing zone. * The normal zone interactive tool is used, but the zone settings * dialog is not shown at the start. */ int DrawSimilarZone( const TOOL_EVENT& aEvent ); /** * Function PlaceDXF() * Places a drawing imported from a DXF file in module editor. */ int PlaceDXF( const TOOL_EVENT& aEvent ); /** * Function SetAnchor() * Places the footprint anchor (only in module editor). */ int SetAnchor( const TOOL_EVENT& aEvent ); ///> Sets up handlers for various events. void SetTransitions() override; private: enum class ZONE_MODE { ADD, ///< Add a new zone/keepout with fresh settings CUTOUT, ///< Make a cutout to an existing zone SIMILAR ///< Add a new zone with the same settings as an existing one }; ///> Shows the context menu for the drawing tool ///> This menu consists of normal UI functions (zoom, grid, etc) ///> And any suitable global functions for the active drawing type. void showContextMenu(); ///> Starts drawing a selected shape (i.e. DRAWSEGMENT). ///> @param aShape is the type of created shape (@see STROKE_T). ///> @param aGraphic is an object that is going to be used by the tool for drawing. It has to ///> be already created. The tool deletes the object if it is not added to a BOARD. ///> @return False if the tool was cancelled before the origin was set or origin and end are ///> the same point. bool drawSegment( int aShape, DRAWSEGMENT*& aGraphic, boost::optional aStartingPoint = boost::none ); ///> Starts drawing an arc. ///> @param aGraphic is an object that is going to be used by the tool for drawing. It has to ///> be already created. The tool deletes the object if it is not added to a BOARD. ///> @return False if the tool was cancelled before the origin was set or origin and end are ///> the same point. bool drawArc( DRAWSEGMENT*& aGraphic ); /** * Draws a polygon, that is added as a zone or a keepout area. * * @param aKeepout dictates if the drawn polygon is a zone or a * keepout area. * @param aMode dictates the mode of the zone tool */ int drawZone( bool aKeepout, ZONE_MODE aMode ); /** * Function createNewZone() * * Prompt the user for new zone settings, and create a new zone with * those settings * * @param aKeepout should the zone be a keepout * @return the new zone, can be null if the user aborted */ std::unique_ptr createNewZone( bool aKeepout ); /** * Function createZoneFromExisting * * Create a new zone with the settings from an existing zone * * @param aSrcZone the zone to copy settings from * @return the new zone */ std::unique_ptr createZoneFromExisting( const ZONE_CONTAINER& aSrcZone ); /** * Function getSourceZoneForAction() * * Gets a source zone item for an action that takes an existing zone * into account (for example a cutout of an existing zone). The source * zone is taken from the current selection * * @param aMode mode of the zone tool * @param aZone updated pointer to a suitable source zone, * or nullptr if none found, or the action doesn't need a source * @return true if a suitable zone was found, or the action doesn't * need a zone. False if the action needs a zone but none was found. */ bool getSourceZoneForAction( ZONE_MODE aMode, ZONE_CONTAINER*& aZone ); /** * Function performZoneCutout() * * Cut one zone out of another one (i.e. subtraction) and * update the zone. * * @param aExistingZone the zone to removed area from * @param aCutout the area to remove */ void performZoneCutout( ZONE_CONTAINER& aExistingZone, ZONE_CONTAINER& aCutout ); /** * Function make45DegLine() * Forces a DRAWSEGMENT to be drawn at multiple of 45 degrees. The origin stays the same, * the end of the aSegment is modified according to the current cursor position. * @param aSegment is the segment that is currently drawn. * @param aHelper is a helper line that shows the next possible segment. */ void make45DegLine( DRAWSEGMENT* aSegment, DRAWSEGMENT* aHelper ) const; ///> Returns the appropriate width for a segment depending on the settings. int getSegmentWidth( unsigned int aLayer ) const; ///> Selects a non-copper layer for drawing LAYER_ID getDrawingLayer() const; KIGFX::VIEW* m_view; KIGFX::VIEW_CONTROLS* m_controls; BOARD* m_board; PCB_BASE_EDIT_FRAME* m_frame; MODE m_mode; /// Stores the current line width for multisegment drawing. unsigned int m_lineWidth; /// Menu model displayed by the tool. TOOL_MENU m_menu; // How does line width change after one -/+ key press. static const unsigned int WIDTH_STEP; }; #endif /* __DRAWING_TOOL_H */