kicad/pcbnew/tools/drawing_tool.h

153 lines
5.4 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>
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( 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( 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( TOOL_EVENT& aEvent );
/**
* Function DrawText()
* Displays a dialog that allows to input text and its settings and then lets the user decide
* where to place the text.
*/
int DrawText( 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( 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( 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( TOOL_EVENT& aEvent );
/**
* Function PlaceTarget()
* Allows user to place a layer alignment target.
*/
int PlaceTarget( TOOL_EVENT& aEvent );
/**
* Function PlaceModule()
* Displays a dialog to selected a module to be added and then allows user to set its position.
*/
int PlaceModule( TOOL_EVENT& aEvent );
private:
///> Starts drawing a selected shape (i.e. DRAWSEGMENT).
///> @param aShape is the type of created shape (@see STROKE_T).
///> @param aContinous decides if there is only one or multiple shapes to draw.
int drawSegment( int aShape, bool aContinous );
///> 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 );
///> 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;
///> Sets up handlers for various events.
void setTransitions();
KIGFX::VIEW* m_view;
KIGFX::VIEW_CONTROLS* m_controls;
BOARD* m_board;
PCB_EDIT_FRAME* m_frame;
// How does line width change after one -/+ key press.
static const int WIDTH_STEP = 100000;
};
#endif /* __DRAWING_TOOL_H */