kicad/include/base_screen.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
* Copyright (C) 2011 Wayne Stambaugh <stambaughw@gmail.com>
* Copyright (C) 1992-2020 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
*/
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/**
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* @file base_screen.h
* @brief BASE_SCREEN class implementation.
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*/
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#ifndef BASE_SCREEN_H
#define BASE_SCREEN_H
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#include <eda_item.h>
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/**
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* Handles how to draw a screen (a board, a schematic ...)
*/
class BASE_SCREEN : public EDA_ITEM
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{
public:
BASE_SCREEN( EDA_ITEM* aParent, KICAD_T aType = SCREEN_T );
BASE_SCREEN( const wxSize& aPageSizeIU, KICAD_T aType = SCREEN_T ) :
BASE_SCREEN( nullptr, aType )
{
InitDataPoints( aPageSizeIU );
}
BASE_SCREEN( KICAD_T aType = SCREEN_T ) :
BASE_SCREEN( nullptr, aType )
{}
~BASE_SCREEN() override { }
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void InitDataPoints( const wxSize& aPageSizeInternalUnits );
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void SetContentModified( bool aModified = true ) { m_flagModified = aModified; }
bool IsContentModified() const { return m_flagModified; }
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/**
* Return the class name.
*
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* @return wxString
*/
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virtual wxString GetClass() const override
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{
return wxT( "BASE_SCREEN" );
}
int GetPageCount() const { return m_pageCount; }
void SetPageCount( int aPageCount );
int GetVirtualPageNumber() const { return m_virtualPageNumber; }
void SetVirtualPageNumber( int aPageNumber ) { m_virtualPageNumber = aPageNumber; }
const wxString& GetPageNumber() const;
void SetPageNumber( const wxString& aPageNumber ) { m_pageNumber = aPageNumber; }
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#if defined(DEBUG)
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void Show( int nestLevel, std::ostream& os ) const override;
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#endif
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static wxString m_DrawingSheetFileName; ///< the name of the drawing sheet file, or empty
///< to use the default drawing sheet
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wxPoint m_DrawOrg; ///< offsets for drawing the circuit on the screen
VECTOR2D m_LocalOrigin; ///< Relative Screen cursor coordinate (on grid)
///< in user units. (coordinates from last reset position)
wxPoint m_StartVisu; ///< Coordinates in drawing units of the current
///< view position (upper left corner of device)
bool m_Center; ///< Center on screen. If true (0.0) is centered on screen
///< coordinates can be < 0 and > 0 except for schematics.
///< false: when coordinates can only be >= 0 (schematics).
VECTOR2D m_ScrollCenter; ///< Current scroll center point in logical units.
protected:
/**
* The number of #BASE_SCREEN objects in this design.
*
* This currently only has meaning for #SCH_SCREEN objects because #PCB_SCREEN object
* are limited to a single file. The count is virtual because #SCH_SCREEN objects can be
* used more than once so the screen (page) count can be more than the number of screen
* objects.
*/
int m_pageCount;
/**
* An integer based page number used for printing a range of pages.
*
* This page number is set before printing and plotting because page numbering does not
* reflect the actual page number in complex hiearachies in #SCH_SCREEN objects.
*/
int m_virtualPageNumber;
/**
* A user defined string page number used for printing and plotting.
*
* This currently only has meaning for #SCH_SCREEN objects because #PCB_SCREEN object
* are limited to a single file. This must be set before displaying, printing, or
* plotting the current sheet. If empty, the #m_virtualPageNumber value is converted
* to a string.
*/
wxString m_pageNumber;
private:
bool m_flagModified; ///< Indicates current drawing has been modified.
/**
* The cross hair position in logical (drawing) units. The cross hair is not the cursor
* position. It is an addition indicator typically drawn on grid to indicate to the
* user where the current action will be performed.
*/
wxPoint m_crossHairPosition;
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};
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#endif // BASE_SCREEN_H