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kicad/eeschema/sch_sheet.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2009 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
* Copyright (C) 2011 Wayne Stambaugh <stambaughw@verizon.net>
* Copyright (C) 1992-2011 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
*/
/**
* @file sch_sheet.h
* @brief Definition of the SCH_SHEET class for Eeschema.
*/
#ifndef CLASS_DRAWSHEET_H
#define CLASS_DRAWSHEET_H
#include <boost/ptr_container/ptr_vector.hpp>
#include <boost/foreach.hpp>
#include "sch_text.h"
class LINE_READER;
class SCH_SCREEN;
class SCH_SHEET;
class SCH_SHEET_PIN;
class SCH_SHEET_PATH;
class DANGLING_END_ITEM;
class SCH_EDIT_FRAME;
#define MIN_SHEET_WIDTH 500
#define MIN_SHEET_HEIGHT 150
/**
* Pin (label) used in sheets to create hierarchical schematics.
*
* A SCH_SHEET_PIN is used to create a hierarchical sheet in the same way a
* pin is used in a component. It connects the objects in the sheet object
* to the objects in the schematic page to the objects in the page that is
* represented by the sheet. In a sheet object, a SCH_SHEET_PIN must be
* connected to a wire, bus, or label. In the schematic page represented by
* the sheet, it corresponds to a hierarchical label.
*/
class SCH_SHEET_PIN : public SCH_HIERLABEL
{
private:
int m_Number; ///< Label number use for saving sheet label to file.
///< Sheet label numbering begins at 2.
///< 0 is reserved for the sheet name.
///< 1 is reserve for the sheet file name.
int m_Edge; /* For pin labels only: sheet edge (0 to 3) of the pin
* m_Edge define on which edge the pin is positioned:
* 0: pin on left side
* 1: pin on right side
* 2: pin on top side
* 3: pin on bottom side
* for compatibility reasons, this does not follow same values as text
* orientation.
*/
virtual EDA_ITEM* doClone() const;
virtual bool doHitTest( const wxPoint& aPoint, int aAccuracy ) const;
public:
SCH_SHEET_PIN( SCH_SHEET* parent,
const wxPoint& pos = wxPoint( 0, 0 ),
const wxString& text = wxEmptyString );
SCH_SHEET_PIN( const SCH_SHEET_PIN& aSheetLabel );
~SCH_SHEET_PIN() { }
virtual wxString GetClass() const
{
return wxT( "SCH_SHEET_PIN" );
}
bool operator ==( const SCH_SHEET_PIN* aPin ) const;
virtual void Draw( EDA_DRAW_PANEL* aPanel,
wxDC* aDC,
const wxPoint& aOffset,
int aDraw_mode,
int aColor = -1 );
/**
* Function CreateGraphicShape (virtual)
* Calculates the graphic shape (a polygon) associated to the text
* @param aPoints = a buffer to fill with polygon corners coordinates
* @param aPos = Position of the shape
*/
virtual void CreateGraphicShape( std::vector <wxPoint>& aPoints, const wxPoint& aPos );
virtual void SwapData( SCH_ITEM* aItem );
/**
* Get the sheet label number.
*
* @return Number of the sheet label.
*/
int GetNumber() const { return m_Number; }
/**
* Set the sheet label number.
*
* @param aNumber - New sheet number label.
*/
void SetNumber( int aNumber );
void SetEdge( int aEdge );
int GetEdge() const;
/**
* Function ConstrainOnEdge
* is used to adjust label position to edge based on proximity to vertical / horizontal edge
* of the parent sheet.
*/
void ConstrainOnEdge( wxPoint Pos );
/**
* Get the parent sheet object of this sheet pin.
*
* @return The sheet that is the parent of this sheet pin or NULL if it does
* not have a parent.
*/
SCH_SHEET* GetParent() const { return (SCH_SHEET*) m_Parent; }
void Place( SCH_EDIT_FRAME* frame, wxDC* DC );
/**
* Function Save
* writes the data structures for this object out to a FILE in "*.sch"
* format.
* @param aFile The FILE to write to.
* @return bool - true if success writing else false.
*/
bool Save( FILE* aFile ) const;
/**
* Load schematic sheet hierarchical label from \a aLine in a .sch file.
*
* @param aLine - Essentially this is file to read the sheet hierarchical label from.
* @param aErrorMsg - Description of the error if an error occurs while loading the sheet
* hierarchical label.
* @return True if the sheet hierarchical label loaded successfully.
*/
virtual bool Load( LINE_READER& aLine, wxString& aErrorMsg );
#if defined(DEBUG)
// comment inherited by Doxygen from Base_Struct
void Show( int nestLevel, std::ostream& os );
#endif
/**
* Function GetPenSize
* @return the size of the "pen" that be used to draw or plot this item
*/
virtual int GetPenSize() const;
// Geometric transforms (used in block operations):
/** virtual function Move
* move item to a new position.
* @param aMoveVector = the displacement vector
*/
virtual void Move( const wxPoint& aMoveVector )
{
m_Pos += aMoveVector;
}
/** virtual function Mirror_Y
* mirror item relative to an Y axis
* @param aYaxis_position = the y axis position
*/
virtual void Mirror_Y( int aYaxis_position );
virtual void Rotate( wxPoint rotationPoint );
virtual void Mirror_X( int aXaxis_position );
/**
* Function Matches
* Compare hierarchical pin name against search string.
*
* @param aSearchData - Criteria to search against.
* @param aAuxData - a pointer on auxiliary data, if needed.
* When searching string in REFERENCE field we must know the sheet path
* This param is used in this case
* @param aFindLocation - a wxPoint where to put the location of matched item. can be NULL.
* @return True if this item matches the search criteria.
*/
virtual bool Matches( wxFindReplaceData& aSearchData, void* aAuxData, wxPoint* aFindLocation );
virtual void GetEndPoints( std::vector< DANGLING_END_ITEM >& aItemList );
virtual bool IsConnectable() const { return true; }
virtual wxString GetSelectMenuText() const;
virtual BITMAP_DEF GetMenuImage() const { return add_hierar_pin_xpm; }
private:
virtual void doSetPosition( const wxPoint& aPosition )
{
ConstrainOnEdge( aPosition );
}
};
typedef boost::ptr_vector<SCH_SHEET_PIN> SCH_SHEET_PINS;
/* class SCH_SHEET
* This class is the sheet symbol placed in a schematic, and is the entry point
* for a sub schematic
*/
class SCH_SHEET : public SCH_ITEM
{
SCH_SCREEN* m_AssociatedScreen; ///< Screen that contains the physical data for
///< the sheet. In complex hierarchies multiple
///< sheets can share a common screen.
SCH_SHEET_PINS m_pins; ///< List of sheet connection points.
wxString m_FileName; /* also in SCH_SCREEN (redundant),
* but need it here for loading after
* reading the sheet description from
* file. */
public:
wxString m_SheetName; /* this is equivalent to C101 for
* components: it is stored in F0 ...
* of the file. */
public:
int m_SheetNameSize; /* Size (height) of the text, used to
* draw the sheet name */
int m_FileNameSize; /* Size (height) of the text, used to
* draw the file name */
wxPoint m_Pos;
wxSize m_Size; /* Position and Size of *sheet symbol */
public:
SCH_SHEET( const wxPoint& pos = wxPoint( 0, 0 ) );
SCH_SHEET( const SCH_SHEET& aSheet );
~SCH_SHEET();
virtual wxString GetClass() const
{
return wxT( "SCH_SHEET" );
}
SCH_SCREEN* GetScreen() { return m_AssociatedScreen; }
/**
* Function SetScreen
* sets the screen associated with this sheet to \a aScreen.
* <p>
* The screen reference counting is performed by SetScreen. If \a aScreen is not
* the same as the current screen, the current screen reference count is decremented
* and \a aScreen becomes the screen for the sheet. If the current screen reference
* count reaches zero, the current screen is deleted. NULL is a valid value for
* \a aScreen.
* </p>
* @param aScreen The new screen to associate with the sheet.
*/
void SetScreen( SCH_SCREEN* aScreen );
/**
* Function GetScreenCount
* returns the number of times the associated screen for the sheet is being used. If
* no screen is associated with the sheet, then zero is returned.
*/
int GetScreenCount() const;
/**
* Function Save
* writes the data structures for this object out to a FILE in "*.sch"
* format.
* @param aFile The FILE to write to.
* @return bool - true if success writing else false.
*/
bool Save( FILE* aFile ) const;
/**
* Load schematic sheet from \a aLine in a .sch file.
*
* @param aLine - Essentially this is file to read the component from.
* @param aErrorMsg - Description of the error if an error occurs while loading the sheet.
* @return True if the sheet loaded successfully.
*/
virtual bool Load( LINE_READER& aLine, wxString& aErrorMsg );
void Place( SCH_EDIT_FRAME* frame, wxDC* DC );
void DisplayInfo( EDA_DRAW_FRAME* frame );
/* there is no member for orientation in sch_sheet, to preserve file
* format, we detect orientation based on pin edges
*/
bool IsVerticalOrientation() const;
/**
* Add aSheetPin to the sheet.
*
* Note: Once a sheet pin is added to the sheet, it is owned by the sheet.
* Do not delete the sheet pin object or you will likely get a segfault
* when the sheet is destroyed.
*
* @param aSheetPin The sheet pin item to add to the sheet.
*/
void AddPin( SCH_SHEET_PIN* aSheetPin );
SCH_SHEET_PINS& GetPins() { return m_pins; }
SCH_SHEET_PINS& GetPins() const
{
return const_cast< SCH_SHEET_PINS& >( m_pins );
}
/**
* Remove \a aSheetPin from the sheet.
*
* @param aSheetPin The sheet pin item to remove from the sheet.
*/
void RemovePin( SCH_SHEET_PIN* aSheetPin );
/**
* Delete sheet label which do not have a corresponding hierarchical label.
*
* Note: Make sure you save a copy of the sheet in the undo list before calling
* CleanupSheet() otherwise any unreferenced sheet labels will be lost.
*/
void CleanupSheet();
/**
* Return the sheet pin item found at \a aPosition in the sheet.
*
* @param aPosition The position to check for a sheet pin.
*
* @return The sheet pin found at \a aPosition or NULL if no sheet pin is found.
*/
SCH_SHEET_PIN* GetPin( const wxPoint& aPosition );
/**
* Checks if the sheet already has a sheet pin named \a aName.
*
* @param aName Name of the sheet pin to search for.
*
* @return True if sheet pin with \a aName is found, otherwise false.
*/
bool HasPin( const wxString& aName );
bool HasPins() { return !m_pins.empty(); }
/**
* Check all sheet labels against schematic for undefined hierarchical labels.
*
* @return True if there are any undefined labels.
*/
bool HasUndefinedPins();
/**
* Function GetMinWidth
* returns the minimum width of the sheet based on the widths of the sheet pin text.
*
* <p>
* The minimum sheet width is determined by the width of the bounding box of each
* hierarchical sheet pin. If two pins are horizontally adjacent ( same Y position )
* to each other, the sum of the bounding box widths is used. If at some point in
* the future sheet objects can be rotated or pins can be placed in the vertical
* orientation, this function will need to be changed.
* </p>
*
* @return The minimum width the sheet can be resized.
*/
int GetMinWidth() const;
/**
* Function GetMinHeight
* returns the minimum height that the sheet can be resized based on the sheet pin
* positions.
*
* <p>
* The minimum width of a sheet is determined by the Y axis location of the bottom
* most sheet pin. If at some point in the future sheet objects can be rotated or
* pins can be placed in the vertical orientation, this function will need to be
* changed.
* </p>
*
* @return The minimum height the sheet can be resized.
*/
int GetMinHeight() const;
/**
* Function GetPenSize
* @return the size of the "pen" that be used to draw or plot this item
*/
virtual int GetPenSize() const;
/**
* Function Draw
* Draw the hierarchical sheet shape
* @param aPanel = the current DrawPanel
* @param aDC = the current Device Context
* @param aOffset = draw offset (usually wxPoint(0,0))
* @param aDrawMode = draw mode
* @param aColor = color used to draw sheet. Usually -1 to use the normal
* color for sheet items
*/
void Draw( EDA_DRAW_PANEL* aPanel,
wxDC* aDC,
const wxPoint& aOffset,
int aDrawMode,
int aColor = -1 );
/**
* Function GetBoundingBox
* @return an EDA_RECT giving the bounding box of the sheet
*/
EDA_RECT GetBoundingBox() const;
/**
* Function GetResizePos
* returns the position of the lower right corner of the sheet in drawing units.
*
* @return A wxPoint containing lower right corner of the sheet in drawing units.
*/
wxPoint GetResizePosition() const;
virtual void SwapData( SCH_ITEM* aItem );
/**
* Function ComponentCount
* count our own components, without the power components.
* @return the component count.
*/
int ComponentCount();
/**
* Function Load.
* for the sheet: load the file m_FileName
* if a screen already exists, the file is already read.
* m_AssociatedScreen point on the screen, and its m_RefCount is
* incremented
* else creates a new associated screen and load the data file.
* @param aFrame = a SCH_EDIT_FRAME pointer to the maim schematic frame
* @return true if OK
*/
bool Load( SCH_EDIT_FRAME* aFrame );
/**
* Function SearchHierarchy
* search the existing hierarchy for an instance of screen "FileName".
* @param aFilename = the filename to find
* @param aScreen = a location to return a pointer to the screen (if found)
* @return bool if found, and a pointer to the screen
*/
bool SearchHierarchy( const wxString& aFilename, SCH_SCREEN** aScreen );
/**
* Function LocatePathOfScreen
* search the existing hierarchy for an instance of screen "FileName".
* don't bother looking at the root sheet - it must be unique,
* no other references to its m_AssociatedScreen otherwise there would be
* loops
* in the hierarchy.
* @param aScreen = the SCH_SCREEN* screen that we search for
* @param aList = the SCH_SHEET_PATH* that must be used
* @return true if found
*/
bool LocatePathOfScreen( SCH_SCREEN* aScreen, SCH_SHEET_PATH* aList );
/**
* Function CountSheets
* calculates the number of sheets found in "this"
* this number includes the full subsheets count
* @return the full count of sheets+subsheets contained by "this"
*/
int CountSheets();
/**
* Function GetFileName
* return the filename corresponding to this sheet
* @return a wxString containing the filename
*/
wxString GetFileName( void ) const;
// Set a new filename without changing anything else
void SetFileName( const wxString& aFilename )
{
m_FileName = aFilename;
}
bool ChangeFileName( SCH_EDIT_FRAME* aFrame, const wxString& aFileName );
//void RemoveSheet(SCH_SHEET* sheet);
//to remove a sheet, just delete it
//-- the destructor should take care of everything else.
// Geometric transforms (used in block operations):
/** virtual function Move
* move item to a new position.
* @param aMoveVector = the displacement vector
*/
virtual void Move( const wxPoint& aMoveVector )
{
m_Pos += aMoveVector;
BOOST_FOREACH( SCH_SHEET_PIN& pin, m_pins )
{
pin.Move( aMoveVector );
}
}
/** virtual function Mirror_Y
* mirror item relative to an Y axis
* @param aYaxis_position = the y axis position
*/
virtual void Mirror_Y( int aYaxis_position );
virtual void Mirror_X( int aXaxis_position );
virtual void Rotate( wxPoint rotationPoint );
/**
* Compare schematic sheet file and sheet name against search string.
*
* @param aSearchData - Criteria to search against.
* @param aAuxData - a pointer on auxiliary data, if needed.
* When searching string in REFERENCE field we must know the sheet path
* This param is used in this case
* @param aFindLocation - a wxPoint where to put the location of matched item. can be NULL.
*
* @return True if this item matches the search criteria.
*/
virtual bool Matches( wxFindReplaceData& aSearchData, void* aAuxData, wxPoint* aFindLocation );
/**
* Resize this sheet to aSize and adjust all of the labels accordingly.
*
* @param aSize - The new size for this sheet.
*/
void Resize( const wxSize& aSize );
/**
* Function GetSheetNamePosition
* @return the position of the anchor of sheet name text
*/
wxPoint GetSheetNamePosition();
/**
* Function GetFileNamePosition
* @return the position of the anchor of filename text
*/
wxPoint GetFileNamePosition();
virtual void GetEndPoints( std::vector <DANGLING_END_ITEM>& aItemList );
virtual bool IsDanglingStateChanged( std::vector< DANGLING_END_ITEM >& aItemList );
virtual bool IsDangling() const;
virtual bool IsSelectStateChanged( const wxRect& aRect );
virtual bool IsConnectable() const { return true; }
virtual void GetConnectionPoints( vector< wxPoint >& aPoints ) const;
virtual SEARCH_RESULT Visit( INSPECTOR* inspector, const void* testData,
const KICAD_T scanTypes[] );
virtual wxString GetSelectMenuText() const;
virtual BITMAP_DEF GetMenuImage() const { return add_hierarchical_subsheet_xpm; }
virtual void GetNetListItem( vector<NETLIST_OBJECT*>& aNetListItems,
SCH_SHEET_PATH* aSheetPath );
/**
* @copydoc EDA_ITEM::IsReplaceable()
*/
virtual bool IsReplaceable() const { return true; }
#if defined(DEBUG)
// comment inherited by Doxygen from Base_Struct
void Show( int nestLevel, std::ostream& os );
#endif
protected:
/**
* Renumber the sheet pins in the sheet.
*
* This method is used internally by SCH_SHEET to update the pin numbering
* when the pin list changes. Make sure you call this method any time a
* sheet pin is added or removed.
*/
void renumberPins();
private:
virtual bool doHitTest( const wxPoint& aPoint, int aAccuracy ) const;
virtual bool doHitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy ) const;
virtual EDA_ITEM* doClone() const;
virtual void doPlot( PLOTTER* aPlotter );
virtual wxPoint doGetPosition() const { return m_Pos; }
virtual void doSetPosition( const wxPoint& aPosition ) { m_Pos = aPosition; }
};
typedef std::vector< SCH_SHEET* > SCH_SHEETS;
#endif /* CLASS_DRAWSHEET_H */
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