kicad/pcbnew/drag.h

187 lines
6.1 KiB
C++

/**
* @file drag.h
* @brief Useful classes and functions used to collect tracks to drag
*/
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004-2012 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 1992-2012 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
*/
#include <vector>
#include <wx/gdicmn.h>
#include <class_track.h>
class wxDC;
class EDA_DRAW_PANEL;
class MODULE;
class D_PAD;
class CONNECTIONS;
/** Helper classes to handle a list of track segments to drag
* and has info to undo/abort the move command
*/
/*
* a DRAG_LIST manages the list of track segments to modify
* when the pad or the module is moving
*/
/*
* a DRAG_SEGM_PICKER manage one track segment or a via
*/
class DRAG_SEGM_PICKER
{
public:
TRACK* m_Track; // pointer to the parent track segment
D_PAD* m_Pad_Start; // pointer to the moving pad
// if the start point should follow this pad
// or NULL
D_PAD* m_Pad_End; // pointer to the moving pad
// if the end point should follow this pad
// or NULL
bool m_Flag; // flag used in drag vias and drag track segment functions
private:
double m_RotationOffset; // initial orientation of the parent module
// Used to recalculate m_PadStartOffset and m_PadEndOffset
// after a module rotation when dragging
bool m_Flipped; // initial side of the parent module
// Used to recalculate m_PadStartOffset and m_PadEndOffset
// if the module is flipped when dragging
wxPoint m_PadStartOffset; // offset between the pad and the starting point of the track
// usually 0,0, but not always
wxPoint m_PadEndOffset; // offset between the pad and the ending point of the track
// usually 0,0, but not always
wxPoint m_startInitialValue;
wxPoint m_endInitialValue; // For abort command:
// initial m_Start and m_End values for m_Track
public:
DRAG_SEGM_PICKER( TRACK* aTrack );
~DRAG_SEGM_PICKER() {};
/**
* Set auxiliary parameters relative to calucaltions needed
* to find track ends positions while dragging pads
* and when modules are rotated, flipped
*/
void SetAuxParameters();
/**
* Calculate track ends position while dragging pads
* and when modules are rotated, flipped
* @param aOffset = offset of module or pad position (when moving)
*/
void SetTrackEndsCoordinates(wxPoint aOffset);
void RestoreInitialValues()
{
m_Track->SetStart( m_startInitialValue );
m_Track->SetEnd( m_endInitialValue );
}
};
class DRAG_LIST
{
public:
BOARD * m_Brd; // the main board
MODULE * m_Module; // The link to the module to move, or NULL
D_PAD * m_Pad; // The link to the pad to move, or NULL
std::vector<DRAG_SEGM_PICKER> m_DragList; // The list of DRAG_SEGM_PICKER items
public:
DRAG_LIST( BOARD * aPcb )
{
m_Brd = aPcb;
}
/**
* Function ClearList
* clear the .m_Flags of all track segments in m_DragList
* and clear the list.
*/
void ClearList();
/** Build the list of track segments connected to pads of aModule
* in m_DragList
* For each selected track segment the EDIT flag is set
*/
void BuildDragListe( MODULE* aModule );
/** Build the list of track segments connected to aPad
* in m_DragList
* For each selected track segment the EDIT flag is set
*/
void BuildDragListe( D_PAD* aPad );
private:
/** Fills m_DragList with of track segments connected to pads in aConnections
* For each selected track segment the EDIT flag is set
*/
void fillList(CONNECTIONS& aConnections);
};
// Global variables:
// a list of DRAG_SEGM_PICKER items used to move or drag tracks.
// Each DRAG_SEGM_PICKER item points a segment to move.
extern std::vector<DRAG_SEGM_PICKER> g_DragSegmentList;
// Functions:
void DrawSegmentWhileMovingFootprint( EDA_DRAW_PANEL* panel, wxDC* DC );
/**
* Function EraseDragList
* clear the .m_Flags of all track segments stored in g_DragSegmentList
* and clear the list.
* In order to avoid useless memory reallocation, the memory is not freed
* and will be reused when creating a new list
*/
void EraseDragList();
/*
* function used to collect track segments in drag track segment
*/
void Collect_TrackSegmentsToDrag( BOARD* aPcb, wxPoint& point, int LayerMask, int net_code );
/* Add aTrack to the drag list
* flag = STARTPOINT (if the point to drag is the start point of Track)
* or ENDPOINT (if the point to drag is the end point of Track)
*/
void AddSegmentToDragList( int flag, TRACK* aTrack );
/*
* Undraw the track segments in list, and set the EDIT flag
* Usually called after the track list is built, to prepare
* the redraw of the list when the mouse is moved
*/
void UndrawAndMarkSegmentsToDrag( EDA_DRAW_PANEL* aCanvas, wxDC* aDC );