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) 2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
* 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
*/
#ifndef SCH_SHEEET_H
#define SCH_SHEEET_H
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#include <boost/ptr_container/ptr_vector.hpp>
#include <sch_text.h>
#include <sch_field.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;
class NETLIST_OBJECT_LIST;
#define MIN_SHEET_WIDTH 500 // Units are mils.
#define MIN_SHEET_HEIGHT 150 // Units are mils.
/**
* Defines the edge of the sheet that the sheet pin is positioned
* SHEET_LEFT_SIDE = 0: pin on left side
* SHEET_RIGHT_SIDE = 1: pin on right side
* SHEET_TOP_SIDE = 2: pin on top side
* SHEET_BOTTOM_SIDE =3: pin on bottom side
*
* For compatibility reasons, this does not follow same values as text orientation.
*/
enum SHEET_SIDE
{
SHEET_LEFT_SIDE = 0,
SHEET_RIGHT_SIDE,
SHEET_TOP_SIDE,
SHEET_BOTTOM_SIDE,
SHEET_UNDEFINED_SIDE
};
enum SHEET_FIELD_TYPE {
SHEETNAME = 0,
SHEETFILENAME,
/// The first 2 are mandatory, and must be instantiated in SCH_SHEET
SHEET_MANDATORY_FIELDS
};
/**
* Define a sheet 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
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{
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.
SHEET_SIDE m_edge;
public:
SCH_SHEET_PIN( SCH_SHEET* parent,
const wxPoint& pos = wxPoint( 0, 0 ),
const wxString& text = wxEmptyString );
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// Do not create a copy constructor. The one generated by the compiler is adequate.
~SCH_SHEET_PIN() { }
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static inline bool ClassOf( const EDA_ITEM* aItem )
{
return aItem && SCH_SHEET_PIN_T == aItem->Type();
}
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wxString GetClass() const override
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{
return wxT( "SCH_SHEET_PIN" );
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}
bool operator ==( const SCH_SHEET_PIN* aPin ) const;
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/**
* Return true for items which are moved with the anchor point at mouse cursor
* and false for items moved with no reference to anchor (usually large items)
*
* @return true for a hierarchical sheet pin
*/
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bool IsMovableFromAnchorPoint() override { return true; }
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void Print( RENDER_SETTINGS* aSettings, const wxPoint& aOffset ) override;
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/**
* Calculate 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
*/
void CreateGraphicShape( RENDER_SETTINGS* aSettings,
std::vector <wxPoint>& aPoints, const wxPoint& aPos ) override;
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void SwapData( SCH_ITEM* aItem ) override;
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int GetPenWidth() const override;
/**
* 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( SHEET_SIDE aEdge );
SHEET_SIDE GetEdge() const;
/**
* Adjust label position to edge based on proximity to vertical or 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; }
#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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// Geometric transforms (used in block operations):
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void Move( const wxPoint& aMoveVector ) override
{
Offset( aMoveVector );
}
void MirrorX( int aXaxis_position ) override;
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void MirrorY( int aYaxis_position ) override;
void Rotate( wxPoint aPosition ) override;
bool Matches( wxFindReplaceData& aSearchData, void* aAuxData ) override
{
return SCH_ITEM::Matches( GetText(), aSearchData );
}
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bool Replace( wxFindReplaceData& aSearchData, void* aAuxData = NULL ) override
{
return EDA_TEXT::Replace( aSearchData );
}
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bool IsReplaceable() const override { return true; }
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void GetEndPoints( std::vector< DANGLING_END_ITEM >& aItemList ) override;
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bool IsConnectable() const override { return true; }
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wxString GetSelectMenuText( EDA_UNITS aUnits ) const override;
BITMAP_DEF GetMenuImage() const override;
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void SetPosition( const wxPoint& aPosition ) override { ConstrainOnEdge( aPosition ); }
bool HitTest( const wxPoint& aPosition, int aAccuracy = 0 ) const override;
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EDA_ITEM* Clone() const override;
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};
/**
* Sheet symbol placed in a schematic, and is the entry point for a sub schematic.
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*/
class SCH_SHEET : public SCH_ITEM
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{
friend class SCH_SHEET_PIN;
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SCH_SCREEN* m_screen; // Screen that contains the physical data for the sheet. In
// complex hierarchies multiple sheets can share a common screen.
std::vector<SCH_SHEET_PIN*> m_pins; // The list of sheet connection points.
std::vector<SCH_FIELD> m_fields;
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FIELDS_AUTOPLACED m_fieldsAutoplaced; // Indicates status of field autoplacement.
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wxPoint m_pos; // The position of the sheet.
wxSize m_size; // The size of the sheet.
int m_borderWidth;
KIGFX::COLOR4D m_borderColor;
KIGFX::COLOR4D m_backgroundColor;
public:
SCH_SHEET( EDA_ITEM* aParent = nullptr, const wxPoint& pos = wxPoint( 0, 0 ) );
/**
* Copy \a aSheet into a new object. All sheet pins are copied as is except and
* the SCH_SHEET_PIN's #m_Parent pointers are set to the new copied parent object.
*/
SCH_SHEET( const SCH_SHEET& aSheet );
~SCH_SHEET();
static inline bool ClassOf( const EDA_ITEM* aItem )
{
return aItem && SCH_SHEET_T == aItem->Type();
}
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wxString GetClass() const override
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{
return wxT( "SCH_SHEET" );
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}
/**
* Return true for items which are moved with the anchor point at mouse cursor
* and false for items moved with no reference to anchor.
*
* Usually return true for small items (labels, junctions) and false for
* items which can be large (hierarchical sheets, components)
*
* @return false for a hierarchical sheet
*/
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bool IsMovableFromAnchorPoint() override { return false; }
std::vector<SCH_FIELD>& GetFields() { return m_fields; }
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/**
* Set multiple schematic fields.
*
* @param aFields are the fields to set in this symbol.
*/
void SetFields( const std::vector<SCH_FIELD>& aFields )
{
m_fields = aFields; // vector copying, length is changed possibly
}
wxString GetName() const { return m_fields[ SHEETNAME ].GetText(); }
SCH_SCREEN* GetScreen() const { return m_screen; }
wxSize GetSize() { return m_size; }
void SetSize( const wxSize& aSize ) { m_size = aSize; }
int GetBorderWidth() const { return m_borderWidth; }
void SetBorderWidth( int aWidth ) { m_borderWidth = aWidth; }
KIGFX::COLOR4D GetBorderColor() const { return m_borderColor; }
void SetBorderColor( KIGFX::COLOR4D aColor ) { m_borderColor = aColor; }
KIGFX::COLOR4D GetBackgroundColor() const { return m_backgroundColor; }
void SetBackgroundColor( KIGFX::COLOR4D aColor ) { m_backgroundColor = aColor; }
/**
* Test this sheet to see if the default stroke is used to draw the outline.
*
* The default stroke is defined as follows:
* * The outline width is the default line width or 0.
* * The outline style is set to #PLOT_DASH_TYPE::DEFAULT or #PLOT_DASH_TYPE::SOLID.
* * The outline color is set to #COLOR4D::UNSPECIFIED.
*
* @return True if the outline stroke meets the default criteria.
*/
bool UsesDefaultStroke() const;
/**
* @return true if this sheet is the root sheet.
*/
bool IsRootSheet() const;
/**
* Set the #SCH_SCREEN associated with this sheet to \a aScreen.
*
* 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.
*
* @param aScreen The new screen to associate with the sheet.
*/
void SetScreen( SCH_SCREEN* aScreen );
/**
* Return 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;
/**
* Return the list of system text vars & fields for this sheet.
*/
void GetContextualTextVars( wxArrayString* aVars ) const;
/**
* Resolve any references to system tokens supported by the sheet.
* @param aDepth a counter to limit recursion and circular references.
*/
bool ResolveTextVar( wxString* token, int aDepth = 0 ) const;
void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
/* 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 );
std::vector<SCH_SHEET_PIN*>& GetPins() { return m_pins; }
std::vector<SCH_SHEET_PIN*>& GetPins() const
{
return const_cast< std::vector<SCH_SHEET_PIN*>& >( 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.
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*/
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();
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/**
* Return the minimum width of the sheet based on the widths of the sheet pin text.
*
* 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.
*
* @return The minimum width the sheet can be resized.
*/
int GetMinWidth() const;
/**
* Return the minimum height that the sheet can be resized based on the sheet pin positions.
*
* 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.
*
* @return The minimum height the sheet can be resized.
*/
int GetMinHeight() const;
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int GetPenWidth() const override;
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void Print( RENDER_SETTINGS* aSettings, const wxPoint& aOffset ) override;
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/**
* Return a bounding box for the sheet body but not the fields.
*/
const EDA_RECT GetBodyBoundingBox() const;
const EDA_RECT GetBoundingBox() const override;
/**
* Rotating around the boundingBox's center can cause walking when the sheetname or
* filename is longer than the edge it's on. Use this instead, which always returns
* the center of the sheet itself.
*/
wxPoint GetRotationCenter() const;
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void SwapData( SCH_ITEM* aItem ) override;
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/**
* Count our own components, without the power components.
*
* @return the component count.
*/
int ComponentCount() const;
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/**
* Search the existing hierarchy for an instance of screen loaded from \a aFileName.
*
* @param aFilename = the filename to find (MUST be absolute, and in wxPATH_NATIVE encoding)
* @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 );
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/**
* Search the existing hierarchy for an instance of screen loaded from \a aFileName.
*
* Don't bother looking at the root sheet, it must be unique. No other references to
* its m_screen otherwise there would be loops in the hierarchy.
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*
* @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 );
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/**
* Count the number of sheets found in "this" sheet including all of the subsheets.
*
* @return the full count of sheets+subsheets contained by "this"
*/
int CountSheets() const;
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/**
* Return the filename corresponding to this sheet.
*
* @return a wxString containing the filename
*/
wxString GetFileName() const
{
return m_fields[ SHEETFILENAME ].GetText();
}
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// Set a new filename without changing anything else
void SetFileName( wxString aFilename )
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{
// Filenames are stored using unix notation
aFilename.Replace( wxT("\\"), wxT("/") );
m_fields[ SHEETFILENAME ].SetText( aFilename );
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}
// Geometric transforms (used in block operations):
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void Move( const wxPoint& aMoveVector ) override
{
m_pos += aMoveVector;
for( SCH_SHEET_PIN* pin : m_pins )
pin->Move( aMoveVector );
for( SCH_FIELD& field : m_fields )
field.Move( aMoveVector );
}
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void MirrorY( int aYaxis_position ) override;
void MirrorX( int aXaxis_position ) override;
void Rotate( wxPoint aPosition ) override;
bool Matches( wxFindReplaceData& aSearchData, void* aAuxData ) override;
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bool IsReplaceable() const override { return true; }
/**
* 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 );
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void AutoplaceFields( SCH_SCREEN* aScreen, bool aManual ) override;
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void GetEndPoints( std::vector <DANGLING_END_ITEM>& aItemList ) override;
bool UpdateDanglingState( std::vector<DANGLING_END_ITEM>& aItemList,
const SCH_SHEET_PATH* aPath = nullptr ) override;
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bool IsConnectable() const override { return true; }
bool CanConnect( const SCH_ITEM* aItem ) const override
{
return ( aItem->Type() == SCH_LINE_T && aItem->GetLayer() == LAYER_WIRE ) ||
( aItem->Type() == SCH_LINE_T && aItem->GetLayer() == LAYER_BUS ) ||
( aItem->Type() == SCH_NO_CONNECT_T );
}
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void GetConnectionPoints( std::vector< wxPoint >& aPoints ) const override;
SEARCH_RESULT Visit( INSPECTOR inspector, void* testData, const KICAD_T scanTypes[] ) override;
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wxString GetSelectMenuText( EDA_UNITS aUnits ) const override;
BITMAP_DEF GetMenuImage() const override;
SCH_SHEET& operator=( const SCH_ITEM& aSheet );
bool operator <( const SCH_ITEM& aItem ) const override;
void ViewGetLayers( int aLayers[], int& aCount ) const override;
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wxPoint GetPosition() const override { return m_pos; }
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void SetPosition( const wxPoint& aPosition ) override;
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bool HitTest( const wxPoint& aPosition, int aAccuracy ) const override;
bool HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy = 0 ) const override;
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void Plot( PLOTTER* aPlotter ) override;
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EDA_ITEM* Clone() const override;
#if defined(DEBUG)
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void Show( int nestLevel, std::ostream& os ) const override;
#endif
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static const wxString GetDefaultFieldName( int aFieldNdx );
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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:
bool doIsConnected( const wxPoint& aPosition ) const override;
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};
//typedef std::vector< SCH_SHEET* > SCH_SHEETS; // no ownership over contained SCH_SHEETs
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#endif // SCH_SHEEET_H