454 lines
15 KiB
C++
454 lines
15 KiB
C++
/**********************
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* class_base_screen.h
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**********************/
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/* define :
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* class BASE_SCREEN to handle how to draw a screen (a board, a schematic ...)
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*/
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#ifndef __CLASS_BASE_SCREEN_H__
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#define __CLASS_BASE_SCREEN_H__
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#include "base_struct.h"
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#include "class_undoredo_container.h"
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#include "block_commande.h"
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#include "common.h"
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// Forward declarations:
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class Ki_PageDescr;
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/* Simple class for handling grid arrays. */
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class GRID_TYPE
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{
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public:
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int m_Id;
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wxRealPoint m_Size;
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GRID_TYPE& operator=( const GRID_TYPE& item )
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{
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if( this != &item )
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{
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m_Id = item.m_Id;
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m_Size = item.m_Size;
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}
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return *this;
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}
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const bool operator==( const GRID_TYPE& item ) const
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{
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return m_Size == item.m_Size && m_Id == item.m_Id;
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}
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};
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typedef std::vector< GRID_TYPE > GRIDS;
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/*******************************************************************/
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/* Class to handle how to draw a screen (a board, a schematic ...) */
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/*******************************************************************/
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class BASE_SCREEN : public EDA_ITEM
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{
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EDA_ITEMS m_items; ///< The drawing items associated with this screen.
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GRIDS m_grids; ///< List of valid grid sizes.
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EDA_ITEM* m_drawList; ///< Object list for the screen.
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wxString m_fileName; ///< File used to load the screen.
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char m_FlagRefreshReq; ///< Indicates that the screen should be redrawn.
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char m_FlagModified; ///< Indicates current drawing has been modified.
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char m_FlagSave; ///< Indicates automatic file save.
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EDA_ITEM* m_CurrentItem; ///< Currently selected object
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GRID_TYPE m_Grid; ///< Current grid selection.
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wxPoint m_scrollCenter; ///< Current scroll center point in logical units.
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wxPoint m_MousePosition; ///< Mouse cursor coordinate in logical units.
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/**
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* The cross hair position in logical (drawing) units. The cross hair is not the cursor
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* position. It is an addition indicator typically drawn on grid to indicate to the
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* user where the current action will be performed.
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*/
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wxPoint m_crossHairPosition;
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public:
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wxPoint m_DrawOrg; /* offsets for drawing the circuit on the screen */
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wxPoint m_O_Curseur; /* Relative Screen cursor coordinate (on grid)
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* in user units. (coordinates from last reset position)*/
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// Scrollbars management:
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int m_ScrollPixelsPerUnitX; /* Pixels per scroll unit in the horizontal direction. */
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int m_ScrollPixelsPerUnitY; /* Pixels per scroll unit in the vertical direction. */
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wxSize m_ScrollbarNumber; /* Current virtual draw area size in scroll units.
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* m_ScrollbarNumber * m_ScrollPixelsPerUnit =
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* virtual draw area size in pixels */
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wxPoint m_ScrollbarPos; /* Current scroll bar position in scroll units. */
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wxPoint m_StartVisu; /* Coordinates in drawing units of the current
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* view position (upper left corner of device)
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*/
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bool m_Center; /* Center on screen. If TRUE (0.0) is centered
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* on screen coordinates can be < 0 and
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* > 0 except for schematics.
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* FALSE: when coordinates can only be >= 0
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* Schematic */
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bool m_FirstRedraw;
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// Undo/redo list of commands
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UNDO_REDO_CONTAINER m_UndoList; /* Objects list for the undo command (old data) */
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UNDO_REDO_CONTAINER m_RedoList; /* Objects list for the redo command (old data) */
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unsigned m_UndoRedoCountMax; // undo/Redo command Max depth
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/* block control */
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BLOCK_SELECTOR m_BlockLocate; /* Block description for block commands */
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/* Page description */
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Ki_PageDescr* m_CurrentSheetDesc;
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int m_ScreenNumber;
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int m_NumberOfScreen;
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wxString m_Title;
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wxString m_Date;
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wxString m_Revision;
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wxString m_Company;
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wxString m_Commentaire1;
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wxString m_Commentaire2;
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wxString m_Commentaire3;
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wxString m_Commentaire4;
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/* Grid and zoom values. */
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wxPoint m_GridOrigin;
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wxArrayInt m_ZoomList; /* Array of standard zoom coefficients. */
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int m_Zoom; /* Current zoom coefficient. */
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int m_ZoomScalar; /* Allow zooming to non-integer increments. */
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bool m_IsPrinting;
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public:
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BASE_SCREEN( KICAD_T aType = TYPE_SCREEN );
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~BASE_SCREEN();
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/**
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* Function setCurItem
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* sets the currently selected object, m_CurrentItem.
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* @param aItem Any object derived from EDA_ITEM
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*/
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void SetCurItem( EDA_ITEM* aItem ) { m_CurrentItem = aItem; }
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EDA_ITEM* GetCurItem() const { return m_CurrentItem; }
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/**
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* Function GetDrawItems().
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*
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* @return - A pointer to the first item in the linked list of draw items.
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*/
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virtual EDA_ITEM* GetDrawItems() const { return m_drawList; }
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virtual void SetDrawItems( EDA_ITEM* aItem ) { m_drawList = aItem; }
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void InitDatas();
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void SetFileName( const wxString& aFileName ) { m_fileName = aFileName; }
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wxString GetFileName() const { return m_fileName; }
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void SetPageSize( wxSize& aPageSize );
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wxSize ReturnPageSize( void );
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virtual int GetInternalUnits( void );
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/**
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* Function GetCrossHairPosition
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* return the current cross hair position in logical (drawing) coordinates.
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* @param aInvertY Inverts the Y axis position.
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* @return The cross hair position in drawing coordinates.
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*/
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wxPoint GetCrossHairPosition( bool aInvertY = false ) const
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{
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if( aInvertY )
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return wxPoint( m_crossHairPosition.x, -m_crossHairPosition.y );
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return wxPoint( m_crossHairPosition.x, m_crossHairPosition.y );
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}
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/**
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* Function SetCrossHairPosition
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* sets the screen cross hair position to \a aPosition in logical (drawing) units.
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* @param aPosition The new cross hair position.
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* @param aSnapToGrid Sets the cross hair position to the nearest grid position to
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* \a aPosition.
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*
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*/
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void SetCrossHairPosition( const wxPoint& aPosition, bool aSnapToGrid = true );
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/* general Undo/Redo command control */
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/**
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* Function ClearUndoORRedoList (virtual).
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* this function must remove the aItemCount old commands from aList
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* and delete commands, pickers and picked items if needed
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* Because picked items must be deleted only if they are not in use, this
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* is a virtual pure function that must be created for SCH_SCREEN and
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* PCB_SCREEN
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* @param aList = the UNDO_REDO_CONTAINER of commands
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* @param aItemCount = number of old commands to delete. -1 to remove all
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* old commands this will empty the list of commands.
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* Commands are deleted from the older to the last.
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*/
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virtual void ClearUndoORRedoList( UNDO_REDO_CONTAINER& aList, int aItemCount = -1 ) = 0;
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/**
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* Function ClearUndoRedoList
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* clear undo and redo list, using ClearUndoORRedoList()
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* picked items are deleted by ClearUndoORRedoList() according to their
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* status
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*/
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virtual void ClearUndoRedoList();
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/**
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* Function PushCommandToUndoList
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* add a command to undo in undo list
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* delete the very old commands when the max count of undo commands is
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* reached
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* ( using ClearUndoORRedoList)
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*/
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virtual void PushCommandToUndoList( PICKED_ITEMS_LIST* aItem );
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/**
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* Function PushCommandToRedoList
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* add a command to redo in redo list
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* delete the very old commands when the max count of redo commands is
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* reached
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* ( using ClearUndoORRedoList)
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*/
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virtual void PushCommandToRedoList( PICKED_ITEMS_LIST* aItem );
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/** PopCommandFromUndoList
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* return the last command to undo and remove it from list
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* nothing is deleted.
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*/
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virtual PICKED_ITEMS_LIST* PopCommandFromUndoList();
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/** PopCommandFromRedoList
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* return the last command to undo and remove it from list
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* nothing is deleted.
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*/
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virtual PICKED_ITEMS_LIST* PopCommandFromRedoList();
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int GetUndoCommandCount()
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{
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return m_UndoList.m_CommandsList.size();
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}
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int GetRedoCommandCount()
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{
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return m_RedoList.m_CommandsList.size();
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}
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void SetModify() { m_FlagModified = 1; m_FlagSave = 0; }
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void ClrModify() { m_FlagModified = 0; m_FlagSave = 1; }
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void SetSave() { m_FlagSave = 1; }
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void ClrSave() { m_FlagSave = 0; }
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int IsModify() { return m_FlagModified & 1; }
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int IsSave() { return m_FlagSave & 1; }
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//----<zoom stuff>---------------------------------------------------------
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/**
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* Function GetScalingFactor
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* @return the the current scale used to draw items on screen
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* draw coordinates are user coordinates * GetScalingFactor( )
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*/
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double GetScalingFactor() const
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{
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return (double) m_ZoomScalar / (double) GetZoom();
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}
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/**
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* Function SetScalingFactor
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* @param aScale = the the current scale used to draw items on screen
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* draw coordinates are user coordinates * GetScalingFactor( )
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*/
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void SetScalingFactor( double aScale );
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/**
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* Function GetZoom
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* @return the current zoom factor
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* Note: the zoom factor is NOT the scaling factor
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* the scaling factor is m_ZoomScalar * GetZoom()
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*/
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int GetZoom() const;
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/**
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* Function SetZoom
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* adjusts the current zoom factor
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* @param coeff - Zoom coefficient.
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*/
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bool SetZoom( int coeff );
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/**
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* Function SetZoomList
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* sets the list of zoom factors.
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* @param aZoomList An array of zoom factors in ascending order, zero terminated
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*/
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void SetZoomList( const wxArrayInt& aZoomList );
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bool SetNextZoom();
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bool SetPreviousZoom();
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bool SetFirstZoom();
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bool SetLastZoom();
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//----<grid stuff>----------------------------------------------------------
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/**
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* Return the command ID of the currently selected grid.
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*
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* @return int - Currently selected grid command ID.
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*/
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int GetGridId();
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/**
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* Return the grid size of the currently selected grid.
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*
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* @return wxRealPoint - The currently selected grid size.
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*/
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wxRealPoint GetGridSize();
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/**
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* Return the grid object of the currently selected grid.
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*
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* @return GRID_TYPE - The currently selected grid.
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*/
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GRID_TYPE GetGrid();
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const wxPoint& GetGridOrigin();
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void SetGrid( const wxRealPoint& size );
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void SetGrid( int id );
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void SetGridList( GRIDS& sizelist );
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void AddGrid( const GRID_TYPE& grid );
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void AddGrid( const wxRealPoint& size, int id );
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void AddGrid( const wxRealPoint& size, UserUnitType aUnit, int id );
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/**
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* Function GetGridCount().
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* Return the size of the grid list.
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*
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* @returns - The size of the grid list.
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*/
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size_t GetGridCount() const { return m_grids.size(); }
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/**
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* Function GetGrid()
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* Returns the grid object at \a aIndex.
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*
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* @param aIndex - The grid list index.
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* @return - The grid object at \a aIndex or the current grid if the grid list is empty.
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*/
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GRID_TYPE& GetGrid( size_t aIndex );
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/**
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* Function GetGrids().
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* Copy the grid list to \a aList.
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*
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* @param aList - List to copy to.
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*/
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void GetGrids( GRIDS& aList );
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void SetMousePosition( const wxPoint& aPosition ) { m_MousePosition = aPosition; }
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/**
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* Function RefPos
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* Return the reference position, coming from either the mouse position
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* or the cursor position.
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*
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* @param useMouse If true, return mouse position, else cursor's.
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*
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* @return wxPoint - The reference point, either the mouse position or
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* the cursor position.
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*/
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wxPoint RefPos( bool useMouse )
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{
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return useMouse ? m_MousePosition : m_crossHairPosition;
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}
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/**
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* Function GetCursorPosition
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* returns the current cursor position in logical (drawing) units.
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* @param aOnGrid Returns the nearest grid position at the current cursor position.
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* @param aGridSize Custom grid size instead of the current grid size. Only valid
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* if \a aOnGrid is true.
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* @return The current cursor position.
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*/
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wxPoint GetCursorPosition( bool aOnGrid, wxRealPoint* aGridSize = NULL );
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/**
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* Function GetCursorScreenPosition
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* returns the cross hair position in device (display) units.b
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* @return The current cross hair position.
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*/
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wxPoint GetCrossHairScreenPosition() const;
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/**
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* Function GetNearestGridPosition
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* returns the nearest \a aGridSize location to \a aPosition.
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* @param aPosition The position to check.
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* @param aGridSize The grid size to locate to if provided. If NULL then the current
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* grid size is used.
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* @return The nearst grid position.
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*/
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wxPoint GetNearestGridPosition( const wxPoint& aPosition, wxRealPoint* aGridSize = NULL );
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/**
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* Function GetClass
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* returns the class name.
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* @return wxString
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*/
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virtual wxString GetClass() const
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{
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return wxT( "BASE_SCREEN" );
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}
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/**
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* Helpers for accessing the draw item list.
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*/
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EDA_ITEMS::iterator Begin() { return m_items.begin(); }
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EDA_ITEMS::iterator End() { return m_items.end(); }
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virtual void AddItem( EDA_ITEM* aItem );
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virtual void InsertItem( EDA_ITEMS::iterator aIter, EDA_ITEM* aItem );
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/**
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* Function IsBlockActive
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* returns true if a block command is in progress.
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*/
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inline bool IsBlockActive() const { return !m_BlockLocate.IsIdle(); }
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void ClearBlockCommand() { m_BlockLocate.Clear(); }
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wxPoint GetScrollCenterPosition() const { return m_scrollCenter; }
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void SetScrollCenterPosition( const wxPoint& aCenterPosition )
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{
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m_scrollCenter = aCenterPosition;
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}
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#if defined(DEBUG)
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/**
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* Function Show
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* is used to output the object tree, currently for debugging only.
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* @param nestLevel An aid to prettier tree indenting, and is the level
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* of nesting of this object within the overall tree.
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* @param os The ostream& to output to.
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*/
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void Show( int nestLevel, std::ostream& os );
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#endif
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};
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#endif /* #ifndef __CLASS_BASE_SCREEN_H__ */
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