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kicad/include/class_sch_screen.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2009 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
* Copyright (C) 1992-2011 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 class_sch_screen.h
* @brief Definitions for the Eeschema program SCH_SCREEN class.
*/
#ifndef CLASS_SCREEN_H
#define CLASS_SCREEN_H
#include <macros.h>
#include <dlist.h>
#include <sch_item_struct.h>
#include <class_base_screen.h>
#include <class_title_block.h>
#include <class_page_info.h>
#include <kiway_player.h>
#include <../eeschema/general.h>
class LIB_PIN;
class SCH_COMPONENT;
class SCH_SHEET_PATH;
class SCH_SHEET_PIN;
class SCH_LINE;
class SCH_TEXT;
class PLOTTER;
enum SCH_LINE_TEST_T
{
ENTIRE_LENGTH_T,
END_POINTS_ONLY_T,
EXCLUDE_END_POINTS_T
};
/// Max number of sheets in a hierarchy project
#define NB_MAX_SHEET 500
class SCH_SCREEN : public BASE_SCREEN, public KIWAY_HOLDER
{
private:
wxString m_fileName; ///< File used to load the screen.
int m_refCount; ///< Number of sheets referencing this screen.
///< Delete when it goes to zero.
/// The size of the paper to print or plot on
PAGE_INFO m_paper; // keep with the MVC 'model' if this class gets split
TITLE_BLOCK m_titles;
/// Origin of the auxilliary axis, which is used in exports mostly, but not yet in EESCHEMA
wxPoint m_aux_origin;
DLIST< SCH_ITEM > m_drawList; ///< Object list for the screen.
int m_modification_sync; ///< inequality with PART_LIBS::GetModificationHash()
///< will trigger ResolveAll().
/**
* Function addConnectedItemsToBlock
* add items connected at \a aPosition to the block pick list.
* <p>
* This method tests all connectible unselected items in the screen that are connected to
* \a aPosition and adds them to the block selection pick list. This is used when a block
* drag is being performed to ensure connections to items in the block are not lost.
*</p>
* @param aPosition = The connection point to test.
*/
void addConnectedItemsToBlock( const wxPoint& aPosition );
public:
/**
* Constructor
*/
SCH_SCREEN( KIWAY* aKiway );
~SCH_SCREEN();
virtual wxString GetClass() const
{
return wxT( "SCH_SCREEN" );
}
const PAGE_INFO& GetPageSettings() const { return m_paper; }
void SetPageSettings( const PAGE_INFO& aPageSettings ) { m_paper = aPageSettings; }
void SetFileName( const wxString& aFileName ) { m_fileName = aFileName; }
const wxString& GetFileName() const { return m_fileName; }
const wxPoint& GetAuxOrigin() const { return m_aux_origin; }
void SetAuxOrigin( const wxPoint& aPosition ) { m_aux_origin = aPosition; }
const TITLE_BLOCK& GetTitleBlock() const { return m_titles; }
//TITLE_BLOCK& GetTitleBlock() const { return (TITLE_BLOCK&) m_titles; }
void SetTitleBlock( const TITLE_BLOCK& aTitleBlock ) { m_titles = aTitleBlock; }
void DecRefCount();
void IncRefCount();
int GetRefCount() const { return m_refCount; }
/**
* Function GetDrawItems().
* @return - A pointer to the first item in the linked list of draw items.
*/
SCH_ITEM* GetDrawItems() const { return m_drawList.begin(); }
void Append( SCH_ITEM* aItem )
{
m_drawList.Append( aItem );
--m_modification_sync;
}
/**
* Function Append
* adds \a aList of SCH_ITEM objects to the list for draw items for the sheet.
*
* @param aList A reference to a #DLIST containing the #SCH_ITEM to add to the sheet.
*/
void Append( DLIST< SCH_ITEM >& aList )
{
m_drawList.Append( aList );
--m_modification_sync;
}
/**
* Function GetCurItem
* returns the currently selected SCH_ITEM, overriding BASE_SCREEN::GetCurItem().
* @return SCH_ITEM* - the one selected, or NULL.
*/
SCH_ITEM* GetCurItem() const { return (SCH_ITEM*) BASE_SCREEN::GetCurItem(); }
/**
* Function SetCurItem
* sets the currently selected object, m_CurrentItem.
* @param aItem Any object derived from SCH_ITEM
*/
void SetCurItem( SCH_ITEM* aItem ) { BASE_SCREEN::SetCurItem( (EDA_ITEM*) aItem ); }
/**
* Function Clear
* deletes all draw items and clears the project settings.
*/
void Clear();
/**
* Free all the items from the schematic associated with the screen.
*
* This does not delete any sub hierarchies.
*/
void FreeDrawList();
/**
* Function GetItem
* checks \a aPosition within a distance of \a aAccuracy for items of type \a aFilter.
* @param aPosition Position in drawing units.
* @param aAccuracy The maximum distance within \a Position to check for an item.
* @param aType The type of item to find or #NOT_USED to find any item type.
* @return The item found that meets the search criteria or NULL if none found.
*/
SCH_ITEM* GetItem( const wxPoint& aPosition, int aAccuracy = 0,
KICAD_T aType = NOT_USED ) const;
void Place( SCH_EDIT_FRAME* frame, wxDC* DC ) { };
/**
* Function CheckComponentsToPartsLink
* initializes or reinitializes the weak reference
* to the LIB_PART for each SCH_COMPONENT found in m_drawList.
* It must be called from:
* - Draw function
* - when loading a schematic file
* - before creating a netlist (in case a library is modified)
*/
void CheckComponentsToPartsLinks();
/**
* Function Draw
* draws all the items in the screen to \a aCanvas.
* note: this function is useful only for schematic.
* library editor and library viewer do not use a draw list, and therefore
* draws nothing
* @param aCanvas The canvas item to draw on.
* @param aDC The device context to draw on.
* @param aDrawMode The drawing mode.
* @param aColor The drawing color.
*/
void Draw( EDA_DRAW_PANEL* aCanvas, wxDC* aDC, GR_DRAWMODE aDrawMode,
EDA_COLOR_T aColor = UNSPECIFIED_COLOR );
/**
* Function Plot
* plots all the schematic objects to \a aPlotter.
* note: this function is useful only for schematic.
* library editor and library viewer do not use a draw list, and therefore
* plots nothing
*
* @param aPlotter The plotter object to plot to.
*/
void Plot( PLOTTER* aPlotter );
/**
* Function Remove
* removes \a aItem from the schematic associated with this screen.
*
* @note The removed item is not deleted. It is only unlinked from the item list.
* @param aItem Item to be removed from schematic.
*/
void Remove( SCH_ITEM* aItem );
/**
* Function DeleteItem
* removes \a aItem from the linked list and deletes the object. If \a aItem is
* is a schematic sheet label, it is removed from the screen associated with the
* sheet that contains the label to be deleted.
* @param aItem The schematic object to be deleted from the screen.
*/
void DeleteItem( SCH_ITEM* aItem );
bool CheckIfOnDrawList( SCH_ITEM* st );
/**
* Function SchematicCleanUp
* performs routine schematic cleaning including breaking wire and buses and
* deleting identical objects superimposed on top of each other.
*
* @param aCanvas The window to draw on.
* @param aDC The device context used for drawing to \a aCanvas.
* @return True if any schematic clean up was performed.
*/
bool SchematicCleanUp( EDA_DRAW_PANEL* aCanvas = NULL, wxDC* aDC = NULL );
/**
* Function TestDanglingEnds
* tests all of the connectible objects in the schematic for unused connection points.
* @param aDC - The device context to draw the dangling status indicators.
* @param aCanvas - The window to draw on.
* @return True if any dangling ends were found.
*/
bool TestDanglingEnds( EDA_DRAW_PANEL* aCanvas = NULL, wxDC* aDC = NULL );
/**
* Function ExtractWires
* extracts the old wires, junctions and buses. If \a aCreateCopy is true, replace
* extracted items with a copy of the original. Old items are to be put in undo list,
* and the new ones can be modified by clean up safely. If an abort draw segmat command
* is made, the old wires must be put back into #m_drawList, and the copies must be
* deleted. This is because previously stored undo commands can handle pointers on wires
* or buses, and we do not delete wires or buses, we must put them in undo list.
*
* Because cleanup deletes and/or modify bus and wires, it is easier is to put
* all the existing wires in undo list and use a new copy of wires for cleanup.
*/
void ExtractWires( DLIST< SCH_ITEM >& aList, bool aCreateCopy );
/**
* Function ReplaceWires
* replaces all of the wires, buses, and junctions in the screen with \a aWireList.
*
* @param aWireList List of wires to replace the existing wires with.
*/
void ReplaceWires( DLIST< SCH_ITEM >& aWireList );
/**
* Function MarkConnections
* add all wires and junctions connected to \a aSegment which are not connected any
* component pin to \a aItemList.
* @param aSegment The segment to test for connections.
*/
void MarkConnections( SCH_LINE* aSegment );
/**
* Functions GetConnection
* adds all of the wires and junctions to \a aList that make up a connection to the
* object at \a aPosition.
* @param aPosition The position of the first connection object in drawing units.
* @param aList The pick list to add the connect item to.
* @param aFullConnection If true all the objects that make up this connection are
* add to \a aList. Otherwise, only the objects up to the first
* node are added.
* @return The number of items added to \a aList.
*/
int GetConnection( const wxPoint& aPosition, PICKED_ITEMS_LIST& aList, bool aFullConnection );
/**
* Function BreakSegment
* checks every wire and bus for a intersection at \a aPoint and break into two segments
* at \a aPoint if an intersection is found.
* @param aPoint Test this point for an intersection.
* @return True if any wires or buses were broken.
*/
bool BreakSegment( const wxPoint& aPoint );
/**
* Function BreakSegmentsOnJunctions
* tests all junctions and bus entries in the schematic for intersections with wires and
* buses and breaks any intersections into multiple segments.
* @return True if any wires or buses were broken.
*/
bool BreakSegmentsOnJunctions();
/* full undo redo management : */
// use BASE_SCREEN::PushCommandToUndoList( PICKED_ITEMS_LIST* aItem )
// use BASE_SCREEN::PushCommandToRedoList( PICKED_ITEMS_LIST* aItem )
/**
* Function ClearUndoORRedoList
* free the undo or redo list from List element
* Wrappers are deleted.
* data pointed by wrappers are deleted if not in use in schematic
* i.e. when they are copy of a schematic item or they are no more in use (DELETED)
* @param aList = the UNDO_REDO_CONTAINER to clear
* @param aItemCount = the count of items to remove. < 0 for all items
* items are removed from the beginning of the list.
* So this function can be called to remove old commands
*/
virtual void ClearUndoORRedoList( UNDO_REDO_CONTAINER& aList, int aItemCount = -1 );
/**
* Function Save
* writes the data structures for this object out to \a aFile in "*.sch" format.
*
* @param aFile The FILE to write to.
* @return bool - true if success writing else false.
*/
bool Save( FILE* aFile ) const;
/**
* Clear the state flags of all the items in the screen.
*/
void ClearDrawingState();
int CountConnectedItems( const wxPoint& aPos, bool aTestJunctions ) const;
/**
* Function IsJunctionNeeded
* tests if a junction is required for the items at \a aPosition on the screen.
* <p>
* A junction is required at \a aPosition if the following criteria are satisfied:
* <ul>
* <li>one wire midpoint, one or more wire endpoints and no junction.</li>
* <li>three or more wire endpoints and no junction.</li>
* <li>two wire midpoints and no junction</li>
* <li>one wire midpoint, a component pin, and no junction.</li>
* <li>three wire endpoints, a component pin, and no junction.</li>
* </ul>
* </p>
* @param aPosition The position to test.
* @return True if a junction is required at \a aPosition.
*/
bool IsJunctionNeeded( const wxPoint& aPosition );
/**
* Function IsTerminalPoint
* tests if \a aPosition is a connection point on \a aLayer.
*
* @param aPosition Position to test.
* @param aLayer The layer type to test against. Valid layer types are #LAYER_NOTES,
* #LAYER_BUS, and #LAYER_WIRE.
* @return True if \a Position is a connection point on \a aLayer.
*/
bool IsTerminalPoint( const wxPoint& aPosition, int aLayer );
/**
* Function GetPin
* test the screen for a component pin item at \a aPosition.
* @param aPosition Position to test.
* @param aComponent The component if a pin was found, otherwise NULL.
* @param aEndPointOnly Set to true to test if \a aPosition is the connection
* point of the pin.
* @return The pin item if found, otherwise NULL.
*/
LIB_PIN* GetPin( const wxPoint& aPosition, SCH_COMPONENT** aComponent = NULL,
bool aEndPointOnly = false ) const;
/**
* Function GetSheet
* returns a sheet object pointer that is named \a aName.
*
* @note The screen hierarchy is not descened.
* @param aName is the case insensitive name of the sheet.
* @return A pointer to the SCH_SHEET object found or NULL.
*/
SCH_SHEET* GetSheet( const wxString& aName );
/**
* Function GetSheetLabel
* test the screen if \a aPosition is a sheet label object.
* @param aPosition The position to test.
* @return The sheet label object if found otherwise NULL.
*/
SCH_SHEET_PIN* GetSheetLabel( const wxPoint& aPosition );
/**
* Function ClearAnnotation
* clears the annotation for the components in \a aSheetPath on the screen.
* @param aSheetPath The sheet path of the component annotation to clear. If NULL then
* the entire hierarchy is cleared.
*/
void ClearAnnotation( SCH_SHEET_PATH* aSheetPath );
/**
* Function GetHierarchicalItems
* adds all schematic sheet and component object in the screen to \a aItems.
* @param aItems Hierarchical item list to fill.
*/
void GetHierarchicalItems( EDA_ITEMS& aItems );
/**
* Function GetNode
* returns all the items at \a aPosition that form a node.
*
* @param aPosition The wxPoint to test for node items.
* @param aList A #EDA_ITEMS container to place the items found.
* @return The number of node items found at \a aPosition.
*/
int GetNode( const wxPoint& aPosition, EDA_ITEMS& aList );
/**
* Function GetWireOrBus
* returns a wire or bus item located at \a aPosition.
*
* @param aPosition The wxPoint to test for node items.
* @return The SCH_LINE* of the wire or bus item found at \a aPosition or NULL if item not
* found.
*/
SCH_LINE* GetWireOrBus( const wxPoint& aPosition );
/**
* Function GetLine
* returns a line item located at \a aPosition.
*
* @param aPosition The wxPoint to test for a line item.
* @param aAccuracy Amount to inflate the item hit test bounding box.
* @param aLayer The layer the line is drawn upon.
* @param aSearchType Additional line test criteria.
* @return The SCH_LINE* of the wire item found at \a aPosition or NULL if item not
* found.
*/
SCH_LINE* GetLine( const wxPoint& aPosition, int aAccuracy = 0, int aLayer = LAYER_NOTES,
SCH_LINE_TEST_T aSearchType = ENTIRE_LENGTH_T );
SCH_LINE* GetWire( const wxPoint& aPosition, int aAccuracy = 0,
SCH_LINE_TEST_T aSearchType = ENTIRE_LENGTH_T )
{
return GetLine( aPosition, aAccuracy, LAYER_WIRE, aSearchType );
}
SCH_LINE* GetBus( const wxPoint& aPosition, int aAccuracy = 0,
SCH_LINE_TEST_T aSearchType = ENTIRE_LENGTH_T )
{
return GetLine( aPosition, aAccuracy, LAYER_BUS, aSearchType );
}
/**
* Function GetLabel
* returns a label item located at \a aPosition.
*
* @param aPosition The wxPoint to test for label items.
* @param aAccuracy Amount to inflate the item hit test bounding box.
* @return The SCH_TEXT* of the label item found at \a aPosition or NULL if item not
* found.
*/
SCH_TEXT* GetLabel( const wxPoint& aPosition, int aAccuracy = 0 );
/**
* Function SetFootprintField
* searches screen for a component with \a aReference and set the footprint field to
* \a aFootPrint if found.
*
* @param aSheetPath The sheet path used to look up the reference designator.
* @param aReference The reference designator of the component.
* @param aFootPrint The value to set the footprint field.
* @param aSetVisible The value to set the field visibility flag.
* @return True if \a aReference was found otherwise false.
*/
bool SetComponentFootprint( SCH_SHEET_PATH* aSheetPath, const wxString& aReference,
const wxString& aFootPrint, bool aSetVisible );
/**
* Function SelectBlockItems
* creates a list of items found when a block command is initiated. The items selected
* depend on the block command. If the drag block command is issued, than any items
* connected to items in the block are also selected.
*/
void SelectBlockItems();
/**
* Function UpdatePickList
* adds all the items in the screen within the block selection rectangle to the pick list.
* @return The number of items in the pick list.
*/
int UpdatePickList();
#if defined(DEBUG)
void Show( int nestLevel, std::ostream& os ) const; // overload
#endif
};
/**
* Class SCH_SCREENS
* is a container class that holds multiple SCH_SCREENs in a hierarchy.
* Individual SCH_SCREENs are unique, and correspond to .sch files.
*/
class SCH_SCREENS
{
private:
std::vector< SCH_SCREEN* > m_screens;
unsigned int m_index;
public:
SCH_SCREENS();
~SCH_SCREENS();
int GetCount() const { return m_screens.size(); }
SCH_SCREEN* GetFirst();
SCH_SCREEN* GetNext();
SCH_SCREEN* GetScreen( unsigned int aIndex ) const;
/**
* Function ClearAnnotation
* clears the annotation for all components in the hierarchy.
*/
void ClearAnnotation();
/**
* Function SchematicCleanUp
* merges and breaks wire segments in the entire schematic hierarchy.
*/
void SchematicCleanUp();
/**
* Function ReplaceDuplicateTimeStamps
* test all sheet and component objects in the schematic for duplicate time stamps
* an replaces them as necessary. Time stamps must be unique in order for complex
* hierarchies know which components go to which sheets.
* @return The number of duplicate time stamps replaced.
*/
int ReplaceDuplicateTimeStamps();
/**
* Function DeleteAllMarkers
* deletes all electronic rules check markers of \a aMarkerType from all the screens in
* the list.
* @param aMarkerType Type of markers to be deleted.
*/
void DeleteAllMarkers( int aMarkerType );
/**
* Function GetMarkerCount
* returns the number of ERC markers of \a aMarkerType from all of the screens in the list.
*
* @param aMarkerType Indicates the type of marker to count. A value less then zero
* indicates all markers are counted.
* @return int count of the markers found.
*/
int GetMarkerCount( int aMarkerType = -1 );
private:
void AddScreenToList( SCH_SCREEN* aScreen );
void BuildScreenList( EDA_ITEM* aItem );
};
#endif /* CLASS_SCREEN_H */
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