kicad/eeschema/sch_sheet.h

467 lines
16 KiB
C++

/*
* 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) 1992-2021 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
#include <sch_field.h>
class KIID_PATH;
class SCH_SCREEN;
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.
*/
class SCH_SHEET : public SCH_ITEM
{
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();
}
wxString GetClass() const override
{
return wxT( "SCH_SHEET" );
}
/**
* 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, symbols).
*
* @return false for a hierarchical sheet.
*/
bool IsMovableFromAnchorPoint() const override { return false; }
std::vector<SCH_FIELD>& GetFields() { return m_fields; }
const std::vector<SCH_FIELD>& GetFields() const { return m_fields; }
/**
* 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() const { 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 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.
*
* @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; }
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.
*/
void RemovePin( const 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 ) const;
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.
*/
bool HasUndefinedPins() const;
/**
* 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;
int GetPenWidth() const override;
void Print( const RENDER_SETTINGS* aSettings, const wxPoint& aOffset ) override;
/**
* 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;
void SwapData( SCH_ITEM* aItem ) override;
/**
* Count our own symbols, without the power symbols.
*/
int SymbolCount() const;
/**
* 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 true if found, and a pointer to the screen
*/
bool SearchHierarchy( const wxString& aFilename, SCH_SCREEN** aScreen );
/**
* 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.
*
* @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.
*/
bool LocatePathOfScreen( SCH_SCREEN* aScreen, SCH_SHEET_PATH* aList );
/**
* 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;
/**
* Return the filename corresponding to this sheet.
*
* @return a wxString containing the filename
*/
wxString GetFileName() const
{
return m_fields[ SHEETFILENAME ].GetText();
}
// Set a new filename without changing anything else
void SetFileName( const wxString& aFilename )
{
// Filenames are stored using unix notation
wxString tmp = aFilename;
tmp.Replace( wxT( "\\" ), wxT( "/" ) );
m_fields[ SHEETFILENAME ].SetText( tmp );
}
// Geometric transforms (used in block operations):
void Move( const wxPoint& aMoveVector ) override;
void MirrorHorizontally( int aCenter ) override;
void MirrorVertically( int aCenter ) override;
void Rotate( const wxPoint& aCenter ) override;
bool Matches( const wxFindReplaceData& aSearchData, void* aAuxData ) const override;
bool IsReplaceable() const override { return true; }
/**
* Resize this sheet to aSize and adjust all of the labels accordingly.
*
* @param[in] aSize The new size for this sheet.
*/
void Resize( const wxSize& aSize );
void AutoplaceFields( SCH_SCREEN* aScreen, bool aManual ) override;
void GetEndPoints( std::vector <DANGLING_END_ITEM>& aItemList ) override;
bool UpdateDanglingState( std::vector<DANGLING_END_ITEM>& aItemList,
const SCH_SHEET_PATH* aPath = nullptr ) override;
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 )
|| ( aItem->Type() == SCH_SYMBOL_T );
}
std::vector<wxPoint> GetConnectionPoints() const override;
SEARCH_RESULT Visit( INSPECTOR inspector, void* testData, const KICAD_T scanTypes[] ) override;
void RunOnChildren( const std::function<void( SCH_ITEM* )>& aFunction ) override;
wxString GetSelectMenuText( EDA_UNITS aUnits ) 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;
wxPoint GetPosition() const override { return m_pos; }
void SetPosition( const wxPoint& aPosition ) override;
bool HitTest( const wxPoint& aPosition, int aAccuracy ) const override;
bool HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy = 0 ) const override;
void Plot( PLOTTER* aPlotter ) const override;
EDA_ITEM* Clone() const override;
/**
* @return the list of #SCH_SHEET_INSTANCE objects for this sheet.
*/
const std::vector<SCH_SHEET_INSTANCE> GetInstances() const;
/**
* 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.
*
* @param[in] aInstance is the #KIID_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 KIID_PATH& aInstance );
/**
* Return the sheet page number for \a aInstance.
*
* @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.
*
* @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 );
/**
* 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:
/**
* 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;
friend class SCH_SHEET_PIN;
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;
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;
std::vector<SCH_SHEET_INSTANCE> m_instances;
};
#endif // SCH_SHEEET_H