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kicad/include/eda_item.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2013-2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2008-2015 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 2008 Wayne Stambaugh <stambaughw@gmail.com>
* Copyright (C) 2004-2020 KiCad Developers, see change_log.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 EDA_ITEM_H
#define EDA_ITEM_H
#include <deque>
#include <core/typeinfo.h>
#include <wx/fdrepdlg.h>
#include <bitmap_types.h>
#include <view/view_item.h>
enum class SEARCH_RESULT
{
QUIT,
CONTINUE
};
/**
* Additional flag values wxFindReplaceData::m_Flags
*/
enum FIND_REPLACE_FLAGS
{
// The last wxFindReplaceFlag enum is wxFR_MATCHCASE = 0x4.
FR_CURRENT_SHEET_ONLY = wxFR_MATCHCASE << 1, // Search the current sheet only.
FR_SEARCH_ALL_FIELDS = wxFR_MATCHCASE << 2, // Search hidden fields too.
FR_SEARCH_ALL_PINS = wxFR_MATCHCASE << 3, // Search pin name and number.
FR_MATCH_WILDCARD = wxFR_MATCHCASE << 4, // Use simple wild card matching (* & ?).
FR_SEARCH_WRAP = wxFR_MATCHCASE << 5, // Wrap around the start or end of search.
FR_SEARCH_REPLACE = wxFR_MATCHCASE << 7, // Search for a item that has replaceable text.
FR_REPLACE_ITEM_FOUND = wxFR_MATCHCASE << 8, // Indicates an item with replaceable text has
// been found.
FR_REPLACE_REFERENCES = wxFR_MATCHCASE << 9 // Don't replace in references.
};
class wxFindReplaceData;
class EDA_ITEM;
class EDA_DRAW_FRAME;
class EDA_RECT;
class MSG_PANEL_ITEM;
/**
* Typedef INSPECTOR
* is used to inspect and possibly collect the
* (search) results of iterating over a list or tree of KICAD_T objects.
* Provide an implementation as needed to inspect EDA_ITEMs visited via
* EDA_ITEM::Visit() and EDA_ITEM::IterateForward().
* <p>
* FYI the std::function may hold a lambda, std::bind, pointer to func, or
* ptr to member function, per modern C++. It is used primarily for searching,
* but not limited to that. It can also collect or modify the scanned objects.
* 'Capturing' lambdas are particularly convenient because they can use context
* and this often means @a aTestData is not used.
*
* @param aItem An EDA_ITEM to examine.
* @param aTestData is arbitrary data needed by the inspector to determine
* if the EDA_ITEM under test meets its match criteria, and is often NULL
* with the advent of capturing lambdas.
* @return A #SEARCH_RESULT type #SEARCH_QUIT if the iterator function is to
* stop the scan, else #SEARCH_CONTINUE;
*/
typedef std::function< SEARCH_RESULT ( EDA_ITEM* aItem, void* aTestData ) > INSPECTOR_FUNC;
typedef const INSPECTOR_FUNC& INSPECTOR; /// std::function passed to nested users by ref, avoids copying std::function
// These define are used for the .m_Flags and .m_UndoRedoStatus member of the
// class EDA_ITEM
//
// NB: DO NOT ADD FLAGS ANYWHERE BUT AT THE END: THE FLAG-SET IS STORED AS AN INTEGER IN FILES.
//
#define IS_CHANGED (1 << 0) ///< Item was edited, and modified
#define IS_LINKED (1 << 1) ///< Used in calculation to mark linked items (temporary use)
#define IN_EDIT (1 << 2) ///< Item currently edited
#define IS_MOVED (1 << 3) ///< Item being moved
#define IS_NEW (1 << 4) ///< New item, just created
#define IS_RESIZED (1 << 5) ///< Item being resized
#define IS_DRAGGED (1 << 6) ///< Item being dragged
#define IS_DELETED (1 << 7)
#define IS_WIRE_IMAGE (1 << 8) ///< Item to be drawn as wireframe while editing
#define STARTPOINT (1 << 9) ///< When a line is selected, these flags indicate which
#define ENDPOINT (1 << 10) ///< ends. (Used to support dragging.)
#define SELECTED (1 << 11)
#define TEMP_SELECTED (1 << 12) ///< flag indicating that the structure has already selected
#define STRUCT_DELETED (1 << 13) ///< flag indication structures to be erased
#define CANDIDATE (1 << 14) ///< flag indicating that the structure is connected
#define SKIP_STRUCT (1 << 15) ///< flag indicating that the structure should be ignored
#define DO_NOT_DRAW (1 << 16) ///< Used to disable draw function
#define IS_PASTED (1 << 17) ///< Modifier on IS_NEW which indicates it came from clipboard
#define TRACK_LOCKED (1 << 18) ///< Pcbnew: track locked: protected from global deletion
#define TRACK_AR (1 << 19) ///< Pcbnew: autorouted track
#define OBSOLETE_1 (1 << 20) ///< Not presently used
#define OBSOLETE_2 (1 << 21) ///< Not presently used
#define BEGIN_ONPAD (1 << 22) ///< Pcbnew: flag set for track segment starting on a pad
#define END_ONPAD (1 << 23) ///< Pcbnew: flag set for track segment ending on a pad
#define OBSOLETE_3 (1 << 24) ///< Not presently used
#define IS_ROLLOVER (1 << 25) ///< Rollover active. Used for hyperlink highlighting.
#define BRIGHTENED (1 << 26) ///< item is drawn with a bright contour
#define DP_COUPLED (1 << 27) ///< item is coupled with another item making a differential pair
///< (applies to segments only)
#define UR_TRANSIENT (1 << 28) ///< indicates the item is owned by the undo/redo stack
#define IS_DANGLING (1 << 29) ///< indicates a pin is dangling
// WARNING: if you add flags, you'll probably need to adjust the masks in GetEditFlags() and
// ClearTempFlags().
#define EDA_ITEM_ALL_FLAGS -1
typedef unsigned STATUS_FLAGS;
/**
* EDA_ITEM
* is a base class for most all the KiCad significant classes, used in
* schematics and boards.
*/
class EDA_ITEM : public KIGFX::VIEW_ITEM
{
public:
const KIID m_Uuid;
private:
/**
* Run time identification, _keep private_ so it can never be changed after
* a constructor sets it. See comment near SetType() regarding virtual
* functions.
*/
KICAD_T m_StructType;
protected:
STATUS_FLAGS m_Status;
EDA_ITEM* m_Parent; ///< Linked list: Link (parent struct)
bool m_forceVisible;
STATUS_FLAGS m_Flags;
protected:
EDA_ITEM( EDA_ITEM* parent, KICAD_T idType );
EDA_ITEM( KICAD_T idType );
EDA_ITEM( const EDA_ITEM& base );
public:
virtual ~EDA_ITEM() { };
/**
* Function Type()
*
* returns the type of object. This attribute should never be changed
* after a constructor sets it, so there is no public "setter" method.
* @return KICAD_T - the type of object.
*/
inline KICAD_T Type() const { return m_StructType; }
EDA_ITEM* GetParent() const { return m_Parent; }
virtual void SetParent( EDA_ITEM* aParent ) { m_Parent = aParent; }
inline bool IsModified() const { return m_Flags & IS_CHANGED; }
inline bool IsNew() const { return m_Flags & IS_NEW; }
inline bool IsMoving() const { return m_Flags & IS_MOVED; }
inline bool IsDragging() const { return m_Flags & IS_DRAGGED; }
inline bool IsWireImage() const { return m_Flags & IS_WIRE_IMAGE; }
inline bool IsSelected() const { return m_Flags & SELECTED; }
inline bool IsResized() const { return m_Flags & IS_RESIZED; }
inline bool IsBrightened() const { return m_Flags & BRIGHTENED; }
inline void SetWireImage() { SetFlags( IS_WIRE_IMAGE ); }
inline void SetSelected() { SetFlags( SELECTED ); }
inline void SetBrightened() { SetFlags( BRIGHTENED ); }
inline void ClearSelected() { ClearFlags( SELECTED ); }
inline void ClearBrightened() { ClearFlags( BRIGHTENED ); }
void SetModified();
int GetState( int type ) const
{
return m_Status & type;
}
void SetState( int type, int state )
{
if( state )
m_Status |= type; // state = ON or OFF
else
m_Status &= ~type;
}
STATUS_FLAGS GetStatus() const { return m_Status; }
void SetStatus( STATUS_FLAGS aStatus ) { m_Status = aStatus; }
void SetFlags( STATUS_FLAGS aMask ) { m_Flags |= aMask; }
void ClearFlags( STATUS_FLAGS aMask = EDA_ITEM_ALL_FLAGS ) { m_Flags &= ~aMask; }
STATUS_FLAGS GetFlags() const { return m_Flags; }
bool HasFlag( STATUS_FLAGS aFlag ) { return ( m_Flags & aFlag ) == aFlag; }
STATUS_FLAGS GetEditFlags() const
{
constexpr int mask = ( IS_NEW | IS_PASTED | IS_MOVED | IS_RESIZED | IS_DRAGGED |
IS_WIRE_IMAGE | STRUCT_DELETED );
return m_Flags & mask;
}
void ClearTempFlags()
{
ClearFlags( STARTPOINT | ENDPOINT | CANDIDATE | TEMP_SELECTED | IS_LINKED | SKIP_STRUCT |
DO_NOT_DRAW );
}
void ClearEditFlags()
{
ClearFlags( GetEditFlags() );
}
/**
* Function IsType
* Checks whether the item is one of the listed types
* @param aScanTypes List of item types
* @return true if the item type is contained in the list aScanTypes
*/
virtual bool IsType( const KICAD_T aScanTypes[] ) const
{
if( aScanTypes[0] == SCH_LOCATE_ANY_T )
return true;
for( const KICAD_T* p = aScanTypes; *p != EOT; ++p )
{
if( m_StructType == *p )
return true;
}
return false;
}
/**
* Function SetForceVisible
* is used to set and cleag force visible flag used to force the item to be drawn
* even if it's draw attribute is set to not visible.
*
* @param aEnable True forces the item to be drawn. False uses the item's visibility
* setting to determine if the item is to be drawn.
*/
void SetForceVisible( bool aEnable ) { m_forceVisible = aEnable; }
bool IsForceVisible() const { return m_forceVisible; }
/**
* Function GetMsgPanelInfo
* populates \a aList of #MSG_PANEL_ITEM objects with it's internal state for display
* purposes.
*
* @param aList is the list to populate.
*/
virtual void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList )
{
}
/**
* Function HitTest
* tests if \a aPosition is contained within or on the bounding box of an item.
*
* @param aPosition A reference to a wxPoint object containing the coordinates to test.
* @param aAccuracy Increase the item bounding box by this amount.
* @return True if \a aPosition is within the item bounding box.
*/
virtual bool HitTest( const wxPoint& aPosition, int aAccuracy = 0 ) const
{
return false; // derived classes should override this function
}
/**
* Function HitTest
* tests if \a aRect intersects or is contained within the bounding box of an item.
*
* @param aRect A reference to a EDA_RECT object containing the rectangle to test.
* @param aContained Set to true to test for containment instead of an intersection.
* @param aAccuracy Increase \a aRect by this amount.
* @return True if \a aRect contains or intersects the item bounding box.
*/
virtual bool HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy = 0 ) const
{
return false; // derived classes should override this function
}
/**
* Function GetBoundingBox
* returns the orthogonal, bounding box of this object for display
* purposes.
* This box should be an enclosing perimeter for visible components of this
* object, and the units should be in the pcb or schematic coordinate
* system.
* It is OK to overestimate the size by a few counts.
*/
virtual const EDA_RECT GetBoundingBox() const;
virtual wxPoint GetPosition() const { return wxPoint(); }
virtual void SetPosition( const wxPoint& aPos ) {};
/**
* Function GetFocusPosition
* similar to GetPosition, but allows items to return their visual center rather
* than their anchor.
*/
virtual const wxPoint GetFocusPosition() const { return GetPosition(); }
/**
* Function Clone
* creates a duplicate of this item with linked list members set to NULL.
*
* The default version will return NULL in release builds and likely crash the
* program. In debug builds, a warning message indicating the derived class
* has not implemented cloning. This really should be a pure virtual function.
* Due to the fact that there are so many objects derived from EDA_ITEM, the
* decision was made to return NULL until all the objects derived from EDA_ITEM
* implement cloning. Once that happens, this function should be made pure.
*
* @return A clone of the item.
*/
virtual EDA_ITEM* Clone() const; // should not be inline, to save the ~ 6 bytes per call site.
/**
* Function Visit
* may be re-implemented for each derived class in order to handle
* all the types given by its member data. Implementations should call
* inspector->Inspect() on types in scanTypes[], and may use
* IterateForward()
* to do so on lists of such data.
* @param inspector An INSPECTOR instance to use in the inspection.
* @param testData Arbitrary data used by the inspector.
* @param scanTypes Which KICAD_T types are of interest and the order
* is significant too, terminated by EOT.
* @return SEARCH_RESULT SEARCH_QUIT if the Iterator is to stop the scan,
* else SCAN_CONTINUE, and determined by the inspector.
*/
virtual SEARCH_RESULT Visit( INSPECTOR inspector, void* testData, const KICAD_T scanTypes[] );
/**
* @copydoc SEARCH_RESULT IterateForward( EDA_ITEM*, INSPECTOR, void*, const KICAD_T )
*
* This changes first parameter to avoid the DList and use the main queue instead
*/
template< class T >
static SEARCH_RESULT IterateForward( std::deque<T>& aList,
INSPECTOR inspector,
void* testData,
const KICAD_T scanTypes[] )
{
for( auto it : aList )
{
if( static_cast<EDA_ITEM*>( it )->Visit( inspector, testData, scanTypes )
== SEARCH_RESULT::QUIT )
return SEARCH_RESULT::QUIT;
}
return SEARCH_RESULT::CONTINUE;
}
/**
* @copydoc SEARCH_RESULT IterateForward( EDA_ITEM*, INSPECTOR, void*, const KICAD_T )
*
* This changes first parameter to avoid the DList and use std::vector instead
*/
template <class T>
static SEARCH_RESULT IterateForward(
std::vector<T>& aList, INSPECTOR inspector, void* testData, const KICAD_T scanTypes[] )
{
for( auto it : aList )
{
if( static_cast<EDA_ITEM*>( it )->Visit( inspector, testData, scanTypes )
== SEARCH_RESULT::QUIT )
return SEARCH_RESULT::QUIT;
}
return SEARCH_RESULT::CONTINUE;
}
/**
* Function GetClass
* returns the class name.
* @return wxString
*/
virtual wxString GetClass() const = 0;
/**
* Function GetSelectMenuText
* returns the text to display to be used in the selection clarification context menu
* when multiple items are found at the current cursor position. The default version
* of this function raises an assertion in the debug mode and returns a string to
* indicate that it was not overridden to provide the object specific text.
*
* @return The menu text string.
*/
virtual wxString GetSelectMenuText( EDA_UNITS aUnits ) const;
/**
* Function GetMenuImage
* returns a pointer to an image to be used in menus. The default version returns
* the right arrow image. Override this function to provide object specific menu
* images.
* @return The menu image associated with the item.
*/
virtual BITMAP_DEF GetMenuImage() const;
/**
* Function Matches
* compares the item against the search criteria in \a aSearchData.
*
* The base class returns false since many of the objects derived from EDA_ITEM
* do not have any text to search.
*
* @param aSearchData A reference to a wxFindReplaceData object containing the
* search criteria.
* @param aAuxData A pointer to optional data required for the search or NULL
* if not used.
* @return True if the item's text matches the search criteria in \a aSearchData.
*/
virtual bool Matches( wxFindReplaceData& aSearchData, void* aAuxData )
{
return false;
}
/**
* Helper function used in search and replace dialog
* Function Replace
* performs a text replace on \a aText using the find and replace criteria in
* \a aSearchData on items that support text find and replace.
*
* @param aSearchData A reference to a wxFindReplaceData object containing the
* search and replace criteria.
* @param aText A reference to a wxString object containing the text to be
* replaced.
* @return True if \a aText was modified, otherwise false.
*/
static bool Replace( wxFindReplaceData& aSearchData, wxString& aText );
/**
* Function Replace
* performs a text replace using the find and replace criteria in \a aSearchData
* on items that support text find and replace.
*
* This function must be overridden for items that support text replace.
*
* @param aSearchData A reference to a wxFindReplaceData object containing the
* search and replace criteria.
* @param aAuxData A pointer to optional data required for the search or NULL
* if not used.
* @return True if the item text was modified, otherwise false.
*/
virtual bool Replace( wxFindReplaceData& aSearchData, void* aAuxData = NULL ) { return false; }
/**
* Function IsReplaceable
* <p>
* Override this method in any derived object that supports test find and
* replace.
* </p>
*
* @return True if the item has replaceable text that can be modified using
* the find and replace dialog.
*/
virtual bool IsReplaceable() const { return false; }
/**
* Test if another item is less than this object.
*
* @param aItem - Item to compare against.
* @return - True if \a aItem is less than the item.
*/
bool operator<( const EDA_ITEM& aItem ) const;
/**
* Function Sort
* is a helper function to be used by the C++ STL sort algorithm for sorting a STL
* container of EDA_ITEM pointers.
*
* @param aLeft The left hand item to compare.
* @param aRight The right hand item to compare.
* @return True if \a aLeft is less than \a aRight.
*/
static bool Sort( const EDA_ITEM* aLeft, const EDA_ITEM* aRight ) { return *aLeft < *aRight; }
/**
* Operator assignment
* is used to assign the members of \a aItem to another object.
*/
EDA_ITEM& operator=( const EDA_ITEM& aItem );
virtual const BOX2I ViewBBox() const override;
virtual void ViewGetLayers( int aLayers[], int& aCount ) const override;
#if defined(DEBUG)
/**
* Function Show
* is used to output the object tree, currently for debugging only.
* @param nestLevel An aid to prettier tree indenting, and is the level
* of nesting of this object within the overall tree.
* @param os The ostream& to output to.
*/
virtual void Show( int nestLevel, std::ostream& os ) const = 0;
// pure virtual so compiler warns if somebody mucks up a derived declaration
void ShowDummy( std::ostream& os ) const; ///< call this if you are a lazy developer
/**
* Function NestedSpace
* outputs nested space for pretty indenting.
* @param nestLevel The nest count
* @param os The ostream&, where to output
* @return std::ostream& - for continuation.
**/
static std::ostream& NestedSpace( int nestLevel, std::ostream& os );
#endif
protected:
/**
* Function Matches
* compares \a aText against search criteria in \a aSearchData.
* This is a helper function for simplify derived class logic.
*
* @param aText A reference to a wxString object containing the string to test.
* @param aSearchData The criteria to search against.
* @return True if \a aText matches the search criteria in \a aSearchData.
*/
bool Matches( const wxString& aText, wxFindReplaceData& aSearchData );
};
/**
* Function new_clone
* provides cloning capabilities for all Boost pointer containers of EDA_ITEM pointers.
*
* @param aItem EDA_ITEM to clone.
* @return Clone of \a aItem.
*/
inline EDA_ITEM* new_clone( const EDA_ITEM& aItem ) { return aItem.Clone(); }
/**
* Define list of drawing items for screens.
*
* The standard C++ container was chosen so the pointer can be removed from a list without
* it being destroyed.
*/
typedef std::vector< EDA_ITEM* > EDA_ITEMS;
#endif // EDA_ITEM_H
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