kicad/include/class_base_screen.h

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/**********************
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* class_base_screen.h
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**********************/
/* define :
* class BASE_SCREEN to handle how to draw a screen (a board, a schematic ...)
*/
#ifndef __CLASS_BASE_SCREEN_H__
#define __CLASS_BASE_SCREEN_H__
#include "base_struct.h"
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#include "class_undoredo_container.h"
#include "block_commande.h"
#include "common.h"
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#include <boost/ptr_container/ptr_vector.hpp>
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// Forward declarations:
class SCH_ITEM;
class Ki_PageDescr;
/**
* Define list of drawing items for screens.
*
* The Boost containter was choosen over the statand C++ contain because you can detach
* the pointer from a list with the release method.
*/
typedef boost::ptr_vector< EDA_BaseStruct > EDA_ITEMS;
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/* Simple class for handling grid arrays. */
class GRID_TYPE
{
public:
int m_Id;
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wxRealPoint m_Size;
GRID_TYPE& operator=( const GRID_TYPE& item )
{
if( this != &item )
{
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m_Id = item.m_Id;
m_Size = item.m_Size;
}
return *this;
}
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const bool operator==( const GRID_TYPE& item ) const
{
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return m_Size == item.m_Size && m_Id == item.m_Id;
}
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};
/* Declare array of wxSize for grid list implementation. */
#include <wx/dynarray.h>
WX_DECLARE_OBJARRAY( GRID_TYPE, GridArray );
/*******************************************************************/
/* Class to handle how to draw a screen (a board, a schematic ...) */
/*******************************************************************/
class BASE_SCREEN : public EDA_BaseStruct
{
EDA_ITEMS m_items; ///< The drawing items associated with this screen.
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public:
wxPoint m_DrawOrg; /* offsets for drawing the circuit on the screen */
wxPoint m_Curseur; /* Screen cursor coordinate (on grid) in user units. */
wxPoint m_MousePosition; /* Mouse cursor coordinate (off grid) in user units. */
wxPoint m_MousePositionInPixels;
wxPoint m_O_Curseur; /* Relative Screen cursor coordinate (on grid)
* in user units.
* (coordinates from last reset position)*/
// Scrollbars management:
int m_ScrollPixelsPerUnitX; /* Pixels per scroll unit in the horizontal direction. */
int m_ScrollPixelsPerUnitY; /* Pixels per scroll unit in the vertical direction. */
wxSize m_ScrollbarNumber; /* Current virtual draw area size in scroll
* units.
* m_ScrollbarNumber * m_ScrollPixelsPerUnit = virtual draw area size in pixels
*/
wxPoint m_ScrollbarPos; /* Current scroll bar position in scroll
* units. */
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wxPoint m_StartVisu; /* Coordinates in drawing units of the current
* view position (upper left corner of device)
*/
wxSize m_SizeVisu; /* taille en pixels de l'ecran (fenetre de visu
* Utile pour recadrer les affichages lors de la
* navigation dans la hierarchie */
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bool m_Center; /* Center on screen. If TRUE (0.0) is centered
* on screen coordinates can be < 0 and
* > 0 except for schematics.
* FALSE: when coordinates can only be >= 0
* Schematic */
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bool m_FirstRedraw;
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SCH_ITEM* EEDrawList; /* Object list (main data) for schematic */
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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) */
UNDO_REDO_CONTAINER m_RedoList; /* Objects list for the redo
* command (old data) */
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 */
Ki_PageDescr* m_CurrentSheetDesc;
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int m_ScreenNumber;
int m_NumberOfScreen;
wxString m_FileName;
wxString m_Title;
wxString m_Date;
wxString m_Revision;
wxString m_Company;
wxString m_Commentaire1;
wxString m_Commentaire2;
wxString m_Commentaire3;
wxString m_Commentaire4;
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private:
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char m_FlagRefreshReq; /* indicates that the screen should
* be redrawn */
char m_FlagModified; // indicates current drawing has
// been modified
char m_FlagSave; // Perform automatica file save.
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EDA_BaseStruct* m_CurrentItem; ///< Currently selected object
GRID_TYPE m_Grid; ///< Current grid selection.
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/* Grid and zoom values. */
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public:
wxPoint m_GridOrigin;
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GridArray m_GridList;
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wxArrayInt m_ZoomList; /* Array of standard zoom coefficients. */
int m_Zoom; /* Current zoom coefficient. */
int m_ZoomScalar; /* Allow zooming to non-integer increments.
*/
bool m_IsPrinting;
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public:
BASE_SCREEN( KICAD_T aType = SCREEN_STRUCT_TYPE );
~BASE_SCREEN();
/**
* Function setCurItem
* sets the currently selected object, m_CurrentItem.
* @param current Any object derived from EDA_BaseStruct
*/
void SetCurItem( EDA_BaseStruct* current ) { m_CurrentItem = current; }
EDA_BaseStruct* GetCurItem() const { return m_CurrentItem; }
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void InitDatas();
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void SetPageSize( wxSize& aPageSize );
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wxSize ReturnPageSize( void );
virtual int GetInternalUnits( void );
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/**
* Function CursorRealPosition
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* @return the position in user units of location ScreenPos
* @param ScreenPos = the screen (in pixel) position co convert
*/
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wxPoint CursorRealPosition( const wxPoint& ScreenPos );
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/**
* Return the current cursor position in drawing coordinates.
*
* This call inverts the Y axis coordinated of m_Curseur to correct for the difference
* between the wxWidgets GDI and the Kicad drawing coordinates.
*
* @return - The cursor position in drawing coordinates.
*/
wxPoint GetCursorDrawPosition() { return wxPoint( m_Curseur.x, -m_Curseur.y ); }
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/* general Undo/Redo command control */
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/**
* Function ClearUndoORRedoList (virtual).
* this function must remove the aItemCount old commands from aList
* 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
* is a virtual pure function that must be created for SCH_SCREEN and
* PCB_SCREEN
* @param aList = the UNDO_REDO_CONTAINER of commands
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* @param aItemCount = number of old commands to delete. -1 to remove all
* old commands this will empty the list of commands.
* Commands are deleted from the older to the last.
*/
virtual void ClearUndoORRedoList( UNDO_REDO_CONTAINER& aList, int aItemCount = -1 ) = 0;
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/**
* Function ClearUndoRedoList
* clear undo and redo list, using ClearUndoORRedoList()
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* picked items are deleted by ClearUndoORRedoList() according to their
* status
*/
virtual void ClearUndoRedoList();
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/**
* Function PushCommandToUndoList
* 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
* reached
* ( using ClearUndoORRedoList)
*/
virtual void PushCommandToUndoList( PICKED_ITEMS_LIST* aItem );
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/**
* Function PushCommandToRedoList
* 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
* reached
* ( using ClearUndoORRedoList)
*/
virtual void PushCommandToRedoList( PICKED_ITEMS_LIST* aItem );
/** PopCommandFromUndoList
* return the last command to undo and remove it from list
* nothing is deleted.
*/
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virtual PICKED_ITEMS_LIST* PopCommandFromUndoList();
/** PopCommandFromRedoList
* return the last command to undo and remove it from list
* nothing is deleted.
*/
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virtual PICKED_ITEMS_LIST* PopCommandFromRedoList();
int GetUndoCommandCount()
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{
return m_UndoList.m_CommandsList.size();
}
int GetRedoCommandCount()
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{
return m_RedoList.m_CommandsList.size();
}
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void SetRefreshReq() { m_FlagRefreshReq = 1; }
void ClrRefreshReq() { m_FlagRefreshReq = 0; }
void SetModify() { m_FlagModified = 1; m_FlagSave = 0; }
void ClrModify() { m_FlagModified = 0; m_FlagSave = 1; }
void SetSave() { m_FlagSave = 1; }
void ClrSave() { m_FlagSave = 0; }
int IsModify() { return m_FlagModified & 1; }
int IsRefreshReq() { return m_FlagRefreshReq & 1; }
int IsSave() { return m_FlagSave & 1; }
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//----<zoom stuff>---------------------------------------------------------
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/**
* Function GetScalingFactor
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* @return the the current scale used to draw items on screen
* draw coordinates are user coordinates * GetScalingFactor( )
*/
double GetScalingFactor()
{
return (double) m_ZoomScalar / (double) GetZoom();
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}
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/**
* Function SetScalingFactor
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* @param the the current scale used to draw items on screen
* draw coordinates are user coordinates * GetScalingFactor( )
*/
void SetScalingFactor( double aScale );
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/**
* Function GetZoom
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* @return the current zoom factor
* Note: the zoom factor is NOT the scaling factor
* the scaling factor is m_ZoomScalar * GetZoom()
*/
int GetZoom() const;
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/**
* Function SetZoom
* adjusts the current zoom factor
*/
bool SetZoom( int coeff );
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/**
* Function SetZoomList
* sets the list of zoom factors.
* @param aZoomList An array of zoom factors in ascending order, zero terminated
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*/
void SetZoomList( const wxArrayInt& zoomlist );
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int Scale( int coord );
double Scale( double coord );
void Scale( wxPoint& pt );
void Scale( wxSize& sz );
void Scale( wxRealPoint& sz );
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int Unscale( int coord );
void Unscale( wxPoint& pt );
void Unscale( wxSize& sz );
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bool SetNextZoom();
bool SetPreviousZoom();
bool SetFirstZoom();
bool SetLastZoom();
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//----<grid stuff>----------------------------------------------------------
/**
* Return the command ID of the currently selected grid.
*
* @return int - Currently selected grid command ID.
*/
int GetGridId();
/**
* Return the grid size of the currently selected grid.
*
* @return wxRealPoint - The currently selected grid size.
*/
wxRealPoint GetGridSize();
/**
* Return the grid object of the currently selected grid.
*
* @return GRID_TYPE - The currently selected grid.
*/
GRID_TYPE GetGrid();
const wxPoint &GetGridOrigin();
void SetGrid( const wxRealPoint& size );
void SetGrid( int id );
void SetGridList( GridArray& sizelist );
void AddGrid( const GRID_TYPE& grid );
void AddGrid( const wxRealPoint& size, int id );
void AddGrid( const wxRealPoint& size, UserUnitType aUnit, int id );
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/**
* Function RefPos
* Return the reference position, coming from either the mouse position
* or the cursor position.
*
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* @param useMouse If true, return mouse position, else cursor's.
*
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* @return wxPoint - The reference point, either the mouse position or
* the cursor position.
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*/
wxPoint RefPos( bool useMouse )
{
return useMouse ? m_MousePosition : m_Curseur;
}
/**
* Function GetClass
* returns the class name.
* @return wxString
*/
virtual wxString GetClass() const
{
return wxT( "BASE_SCREEN" );
}
/**
* Helpers for accessing the draw item list.
*/
EDA_ITEMS::iterator Begin() { return m_items.begin(); }
EDA_ITEMS::iterator End() { return m_items.end(); }
virtual void AddItem( EDA_BaseStruct* aItem );
virtual void InsertItem( EDA_ITEMS::iterator aIter, EDA_BaseStruct* aItem );
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#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.
*/
void Show( int nestLevel, std::ostream& os );
#endif
};
#endif /* #ifndef __CLASS_BASE_SCREEN_H__ */