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author | saurabhb17 | 2020-02-26 16:01:28 +0530 |
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committer | GitHub | 2020-02-26 16:01:28 +0530 |
commit | d51317f0193609fb43e932730d78aa86a4984083 (patch) | |
tree | 6acee185a4dc19113fcbf0f9a3d6941085dedaf7 /eeschema/sch_sheet.h | |
parent | 0db48f6533517ecebfd9f0693f89deca28408b76 (diff) | |
parent | 886d9cb772e81d2e5262284bc3082664f084337f (diff) | |
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Merge pull request #2 from FOSSEE/develop
Develop
Diffstat (limited to 'eeschema/sch_sheet.h')
-rw-r--r-- | eeschema/sch_sheet.h | 600 |
1 files changed, 600 insertions, 0 deletions
diff --git a/eeschema/sch_sheet.h b/eeschema/sch_sheet.h new file mode 100644 index 0000000..3304a0d --- /dev/null +++ b/eeschema/sch_sheet.h @@ -0,0 +1,600 @@ +/* + * 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) 1992-2015 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 SCH_SHEEET_H +#define SCH_SHEEET_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; +class NETLIST_OBJECT_LIST; + + +#define MIN_SHEET_WIDTH 500 +#define MIN_SHEET_HEIGHT 150 + + +/** + * Class SCH_SHEET_PIN + * defines 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 +{ +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. + + /** + * 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 + }; + SHEET_SIDE m_edge; + +public: + SCH_SHEET_PIN( SCH_SHEET* parent, + const wxPoint& pos = wxPoint( 0, 0 ), + const wxString& text = wxEmptyString ); + + // Do not create a copy constructor. The one generated by the compiler is adequate. + + ~SCH_SHEET_PIN() { } + + wxString GetClass() const + { + return wxT( "SCH_SHEET_PIN" ); + } + + bool operator ==( const SCH_SHEET_PIN* aPin ) const; + + /** + * Virtual function IsMovableFromAnchorPoint + * 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 + */ + bool IsMovableFromAnchorPoint() { return true; } + + void Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aOffset, + GR_DRAWMODE aDrawMode, EDA_COLOR_T aColor = UNSPECIFIED_COLOR ); + + /** + * 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 + */ + void CreateGraphicShape( std::vector <wxPoint>& aPoints, const wxPoint& aPos ); + + void SwapData( SCH_ITEM* aItem ); + + int GetPenSize() const; + + /** + * 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; + + /** + * 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; } + + bool Save( FILE* aFile ) const; + + bool Load( LINE_READER& aLine, wxString& aErrorMsg ); + +#if defined(DEBUG) + void Show( int nestLevel, std::ostream& os ) const; // override +#endif + + // Geometric transforms (used in block operations): + + void Move( const wxPoint& aMoveVector ) + { + m_Pos += aMoveVector; + } + + void MirrorY( int aYaxis_position ); + + void Rotate( wxPoint aPosition ); + + void MirrorX( int aXaxis_position ); + + bool Matches( wxFindReplaceData& aSearchData, void* aAuxData, wxPoint* aFindLocation ); + + bool Replace( wxFindReplaceData& aSearchData, void* aAuxData = NULL ) + { + return EDA_ITEM::Replace( aSearchData, m_Text ); + } + + bool IsReplaceable() const { return true; } + + void GetEndPoints( std::vector< DANGLING_END_ITEM >& aItemList ); + + bool IsConnectable() const { return true; } + + wxString GetSelectMenuText() const; + + BITMAP_DEF GetMenuImage() const { return add_hierar_pin_xpm; } + + void SetPosition( const wxPoint& aPosition ) { ConstrainOnEdge( aPosition ); } + + bool HitTest( const wxPoint& aPosition, int aAccuracy ) const; + + EDA_ITEM* Clone() const; +}; + + +typedef boost::ptr_vector<SCH_SHEET_PIN> SCH_SHEET_PINS; + + +/** + * Class SCH_SHEET + * is the sheet symbol placed in a schematic, and is the entry point for a sub schematic. + */ +class SCH_SHEET : public SCH_ITEM +{ + friend class SCH_SHEET_PIN; + + /// Screen that contains the physical data for the sheet. In complex hierarchies + /// multiple sheets can share a common screen. + SCH_SCREEN* m_screen; + + /// The list of sheet connection points. + SCH_SHEET_PINS m_pins; + + /// The file name is also in the #SCH_SCREEN object associated with the sheet. It is + /// also needed here for loading after reading the sheet description from file. + wxString m_fileName; + + /// This is equivalent to the reference designator for components and is stored in F0 + /// sheet pin in the schematic file. + wxString m_name; + + /// The height of the text used to draw the sheet name. + int m_sheetNameSize; + + /// The height of the text used to draw the file name. + int m_fileNameSize; + + /// The position of the sheet. + wxPoint m_pos; + + /// The size of the sheet. + wxSize m_size; + +public: + SCH_SHEET( const wxPoint& pos = wxPoint( 0, 0 ) ); + + /** + * Copy Constructor + * clones \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(); + + wxString GetClass() const + { + return wxT( "SCH_SHEET" ); + } + + /** + * Virtual function IsMovableFromAnchorPoint + * 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, compoments) + * @return false for a hierarchical sheet + */ + bool IsMovableFromAnchorPoint() { return false; } + + wxString GetName() const { return m_name; } + + void SetName( const wxString& aName ) { m_name = aName; } + + int GetSheetNameSize() const { return m_sheetNameSize; } + + void SetSheetNameSize( int aSize ) { m_sheetNameSize = aSize; } + + int GetFileNameSize() const { return m_fileNameSize; } + + void SetFileNameSize( int aSize ) { m_fileNameSize = aSize; } + + SCH_SCREEN* GetScreen() { return m_screen; } + + wxSize GetSize() { return m_size; } + + void SetSize( const wxSize& aSize ) { m_size = aSize; } + + /** + * 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; + + bool Save( FILE* aFile ) const; + + bool Load( LINE_READER& aLine, wxString& aErrorMsg ); + + void GetMsgPanelInfo( std::vector< MSG_PANEL_ITEM >& aList ); + + /* 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; + + int GetPenSize() const; + + void Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aOffset, + GR_DRAWMODE aDrawMode, EDA_COLOR_T aColor = UNSPECIFIED_COLOR ); + + EDA_RECT const 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; + + 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_screen 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_screen 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; + // Filenames are stored using unix notation + m_fileName.Replace( wxT("\\"), wxT("/") ); + } + + 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): + + void Move( const wxPoint& aMoveVector ) + { + m_pos += aMoveVector; + + BOOST_FOREACH( SCH_SHEET_PIN& pin, m_pins ) + { + pin.Move( aMoveVector ); + } + } + + void MirrorY( int aYaxis_position ); + + void MirrorX( int aXaxis_position ); + + void Rotate( wxPoint aPosition ); + + bool Matches( wxFindReplaceData& aSearchData, void* aAuxData, wxPoint* aFindLocation ); + + bool Replace( wxFindReplaceData& aSearchData, void* aAuxData = NULL ); + + bool IsReplaceable() const { 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 ); + + /** + * 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(); + + void GetEndPoints( std::vector <DANGLING_END_ITEM>& aItemList ); + + bool IsDanglingStateChanged( std::vector< DANGLING_END_ITEM >& aItemList ); + + bool IsDangling() const; + + bool IsSelectStateChanged( const wxRect& aRect ); + + bool IsConnectable() const { return true; } + + void GetConnectionPoints( std::vector< wxPoint >& aPoints ) const; + + SEARCH_RESULT Visit( INSPECTOR* inspector, const void* testData, + const KICAD_T scanTypes[] ); + + wxString GetSelectMenuText() const; + + BITMAP_DEF GetMenuImage() const { return add_hierarchical_subsheet_xpm; } + + void GetNetListItem( NETLIST_OBJECT_LIST& aNetListItems, + SCH_SHEET_PATH* aSheetPath ); + + SCH_ITEM& operator=( const SCH_ITEM& aSheet ); + + wxPoint GetPosition() const { return m_pos; } + + void SetPosition( const wxPoint& aPosition ); + + bool HitTest( const wxPoint& aPosition, int aAccuracy ) const; + + bool HitTest( const EDA_RECT& aRect, bool aContained = false, int aAccuracy = 0 ) const; + + void Plot( PLOTTER* aPlotter ); + + EDA_ITEM* Clone() const; + +#if defined(DEBUG) + void Show( int nestLevel, std::ostream& os ) const; // override +#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(); +}; + + +typedef std::vector< SCH_SHEET* > SCH_SHEETS; + +#endif /* SCH_SHEEET_H */ |