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) 1992-2022 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 <sch_field.h>
class KIID_PATH;
class SCH_SCREEN;
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class SCH_SEXPR_PARSER;
class SCH_SHEET_LIST;
class SCH_SHEET_PIN;
class SCH_SHEET_PATH;
class EDA_DRAW_FRAME;
#define MIN_SHEET_WIDTH 500 // Units are mils.
#define MIN_SHEET_HEIGHT 150 // Units are mils.
enum SHEET_FIELD_TYPE
{
SHEETNAME = 0,
SHEETFILENAME,
/// The first 2 are mandatory, and must be instantiated in SCH_SHEET
SHEET_MANDATORY_FIELDS
};
/**
* 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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{
public:
SCH_SHEET( EDA_ITEM* aParent = nullptr, const VECTOR2I& aPos = VECTOR2I( 0, 0 ),
VECTOR2I aSize = VECTOR2I( schIUScale.MilsToIU( MIN_SHEET_WIDTH ),
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schIUScale.MilsToIU( MIN_SHEET_HEIGHT ) ),
FIELDS_AUTOPLACED aAutoplaceFields = FIELDS_AUTOPLACED_AUTO );
/**
* 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
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* items which can be large (hierarchical sheets, symbols).
*
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* @return false for a hierarchical sheet.
*/
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bool IsMovableFromAnchorPoint() const override { return false; }
std::vector<SCH_FIELD>& GetFields() { return m_fields; }
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const std::vector<SCH_FIELD>& GetFields() const { 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 );
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wxString GetName() const { return m_fields[ SHEETNAME ].GetText(); }
void SetName( const wxString& aName ) { m_fields[ SHEETNAME ].SetText( aName ); }
SCH_SCREEN* GetScreen() const { return m_screen; }
VECTOR2I GetSize() const { return m_size; }
void SetSize( const VECTOR2I& 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; }
/**
* @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.
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*
* @param aDepth is 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.
*
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* @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; }
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const std::vector<SCH_SHEET_PIN*>& GetPins() const { return m_pins; }
/**
* Remove \a aSheetPin from the sheet.
*
* @param aSheetPin The sheet pin item to remove from the sheet.
*/
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void RemovePin( const SCH_SHEET_PIN* aSheetPin );
/**
* Delete sheet label which do not have a corresponding hierarchical label.
*
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* @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 VECTOR2I& 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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*/
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bool HasPin( const wxString& aName ) const;
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bool HasPins() const { return !m_pins.empty(); }
/**
* Check all sheet labels against schematic for undefined hierarchical labels.
*
* @return True if there are any undefined labels.
*/
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bool HasUndefinedPins() const;
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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( bool aFromLeft ) 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( bool aFromTop ) const;
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int GetPenWidth() const override;
void Print( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset ) override;
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/**
* Return a bounding box for the sheet body but not the fields.
*/
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const BOX2I GetBodyBoundingBox() const;
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const BOX2I 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.
*/
VECTOR2I GetRotationCenter() const;
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void SwapData( SCH_ITEM* aItem ) override;
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/**
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* Count our own symbols, without the power symbols.
*/
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int SymbolCount() const;
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/**
* Search the existing hierarchy for an instance of screen loaded from \a aFileName.
*
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* @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 true 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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*
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* @param[in] aScreen The SCH_SCREEN* screen that we search for.
* @param[in] aList The SCH_SHEET_PATH* that must be used.
* @return true if found.
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*/
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( const wxString& aFilename )
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{
// Filenames are stored using unix notation
wxString tmp = aFilename;
tmp.Replace( wxT( "\\" ), wxT( "/" ) );
m_fields[ SHEETFILENAME ].SetText( tmp );
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}
// Geometric transforms (used in block operations):
void Move( const VECTOR2I& aMoveVector ) override;
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void MirrorHorizontally( int aCenter ) override;
void MirrorVertically( int aCenter ) override;
void Rotate( const VECTOR2I& aCenter ) override;
bool Matches( const EDA_SEARCH_DATA& aSearchData, void* aAuxData ) const override;
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bool IsReplaceable() const override { return true; }
/**
* Resize this sheet to aSize and adjust all of the labels accordingly.
*
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* @param[in] aSize The new size for this sheet.
*/
void Resize( const VECTOR2I& 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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|| ( aItem->Type() == SCH_SYMBOL_T );
}
std::vector<VECTOR2I> GetConnectionPoints() const override;
INSPECT_RESULT Visit( INSPECTOR inspector, void* testData,
const std::vector<KICAD_T>& aScanTypes ) override;
void RunOnChildren( const std::function<void( SCH_ITEM* )>& aFunction ) override;
wxString GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const override;
BITMAPS 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;
VECTOR2I GetPosition() const override { return m_pos; }
void SetPosition( const VECTOR2I& aPosition ) override;
bool HitTest( const VECTOR2I& aPosition, int aAccuracy ) const override;
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bool HitTest( const BOX2I& aRect, bool aContained, int aAccuracy = 0 ) const override;
void Plot( PLOTTER* aPlotter, bool aBackground ) const override;
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EDA_ITEM* Clone() const override;
/**
* @return the list of #SCH_SHEET_INSTANCE objects for this sheet.
*/
const std::vector<SCH_SHEET_INSTANCE>& GetInstances() const { return m_instances; }
/**
* Check to see if this sheet has a root sheet instance.
*
* @note It is possible for sheets to contain both sheet instances from other projects as
* well as a root sheet instance for this schematic. This will happen with a
* shared schematic is opened by the schematic editor in stand alone model.
*
* @return true if the instance data contains a root sheet instance.
*/
bool HasRootInstance() const;
/**
* Return the root sheet instance data.
*
* @note If no root sheet instance data exists, an assertion will be raise in debug builds
* and an empty instance will be returned.
*
* @return the root sheet instance data.
*/
const SCH_SHEET_INSTANCE& GetRootInstance() const;
/**
* Compares page numbers of schematic sheets.
*
* @return 0 if the page numbers are equal, -1 if aPageNumberA < aPageNumberB, 1 otherwise
*/
static int ComparePageNum( const wxString& aPageNumberA, const wxString& aPageNumberB );
#if defined(DEBUG)
void Show( int nestLevel, std::ostream& os ) const override;
#endif
static const wxString GetDefaultFieldName( int aFieldNdx, bool aTranslated = true );
protected:
friend SCH_SHEET_PATH;
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friend SCH_SEXPR_PARSER;
void setInstances( const std::vector<SCH_SHEET_INSTANCE>& aInstances )
{
m_instances = aInstances;
}
/**
* Add a new instance \a aSheetPath to the instance list.
*
* If \a aSheetPath does not already exist, it is added to the list. If already exists
* in the list, do nothing. Sheet instances allow for the sharing in complex hierarchies
* which allows for per instance data such as page number for sheets to stored.
*
* @warning The #SCH_SHEET_PATH object must be a full hierarchical path which means the
* #SCH_SHEET object at index 0 must be the root sheet. A partial sheet path
* will raise an assertion on debug builds and silently fail and return false
* on release builds.
*
* @param[in] aInstance is the #SCH_SHEET_PATH of the sheet instance to the instance list.
* @return false if the instance already exists, true if the instance was added.
*/
bool addInstance( const SCH_SHEET_PATH& aInstance );
/**
* Return the sheet page number for \a aInstance.
*
* @warning The #SCH_SHEET_PATH object must be a full hierarchical path which means the
* #SCH_SHEET object at index 0 must be the root sheet. A partial sheet path
* will raise an assertion on debug builds and silently fail and return an empty
* page number on release builds.
*
* @return the page number for the requested sheet instance.
*/
wxString getPageNumber( const SCH_SHEET_PATH& aInstance ) const;
/**
* Set the page number for the sheet instance \a aInstance.
*
* @warning The #SCH_SHEET_PATH object must be a full hierarchical path which means the
* #SCH_SHEET object at index 0 must be the root sheet. A partial sheet path
* will raise an assertion on debug builds and silently fail and return on release
* builds.
*
* @param[in] aInstance is the hierarchical path of the sheet.
* @param[in] aReference is the new page number for the sheet.
*/
void setPageNumber( const SCH_SHEET_PATH& aInstance, const wxString& aPageNumber );
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bool getInstance( SCH_SHEET_INSTANCE& aInstance, const KIID_PATH& aSheetPath,
bool aTestFromEnd = false ) const;
/**
* 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();
/**
* Get the sheetpath of this sheet. NB: REQUIRES that the current sheet hierarchy contains
* the given sheet.
*/
SCH_SHEET_PATH findSelf() const;
private:
bool doIsConnected( const VECTOR2I& aPosition ) const override;
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friend class SCH_SHEET_PIN;
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friend class SCH_SHEET_LIST;
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private:
SCH_SCREEN* m_screen; // Screen that contains the physical data for the
// sheet. In complex hierarchies multiple sheets
// can share a common screen.
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std::vector<SCH_SHEET_PIN*> m_pins; // The list of sheet connection points.
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std::vector<SCH_FIELD> m_fields;
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VECTOR2I m_pos; // The position of the sheet.
VECTOR2I m_size; // The size of the sheet.
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int m_borderWidth;
KIGFX::COLOR4D m_borderColor;
KIGFX::COLOR4D m_backgroundColor;
std::vector<SCH_SHEET_INSTANCE> m_instances;
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};
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#endif // SCH_SHEEET_H