kicad/pcbnew/tools/drawing_tool.h

201 lines
7.2 KiB
C++

/*
* 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 __DRAWING_TOOL_H
#define __DRAWING_TOOL_H
#include <tool/tool_interactive.h>
#include <boost/optional.hpp>
namespace KIGFX
{
class VIEW;
class VIEW_CONTROLS;
}
class BOARD;
class PCB_EDIT_FRAME;
class DRAWSEGMENT;
/**
* Class DRAWING_TOOL
*
* Tool responsible for drawing graphical elements like lines, arcs, circles, etc.
*/
class DRAWING_TOOL : public TOOL_INTERACTIVE
{
public:
DRAWING_TOOL();
~DRAWING_TOOL();
/// @copydoc TOOL_INTERACTIVE::Reset()
void Reset( RESET_REASON aReason );
/**
* 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 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 );
/**
* Function EditModules()
* Toggles edit module mode. When enabled, one may select parts of modules individually
* (graphics, pads, etc.), so they can be modified.
* @param aEnabled decides if the mode should be enabled.
*/
void EditModules( bool aEnabled )
{
m_editModules = aEnabled;
}
///> Sets up handlers for various events.
void SetTransitions();
private:
///> 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<VECTOR2D> 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 decides if the drawn polygon is a zone or a keepout area.
int drawZone( bool aKeepout );
/**
* Function placeTextModule()
* Displays a dialog that allows to input text and its settings and then lets the user decide
* where to place the text in module .
*/
int placeTextModule();
/**
* Function placeTextPcb()
* Displays a dialog that allows to input text and its settings and then lets the user decide
* where to place the text in board editor.
*/
int placeTextPcb();
/**
* 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;
KIGFX::VIEW* m_view;
KIGFX::VIEW_CONTROLS* m_controls;
BOARD* m_board;
PCB_EDIT_FRAME* m_frame;
/// Edit module mode flag
bool m_editModules;
/// Stores the current line width for multisegment drawing.
unsigned int m_lineWidth;
// How does line width change after one -/+ key press.
static const int WIDTH_STEP;
};
#endif /* __DRAWING_TOOL_H */