kicad/pcbnew/drag.h

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/**
* @file drag.h
* @brief Useful class and functions used to drag tracks
*/
#include <vector>
#include <wx/gdicmn.h>
#include <class_track.h>
class wxDC;
class EDA_DRAW_PANEL;
class MODULE;
class D_PAD;
/** Helper class to handle a list of track segments to drag
* and has info to undo/abort the move command
* a DRAG_SEGM manage one track segment or a via
*/
class DRAG_SEGM
{
public:
TRACK* m_Segm; /* pointer to the segment a "dragger */
D_PAD* m_Pad_Start; /* pointer to the pad origin if origin segment of pad */
D_PAD* m_Pad_End; /* pointer to the pad end if end segment of pad */
int m_Flag; /* indicator flags */
private:
wxPoint m_StartInitialValue;
wxPoint m_EndInitialValue; // For abort: initial m_Start and m_End values for m_Segm
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public:
DRAG_SEGM( TRACK* segm );
~DRAG_SEGM() {};
void SetInitialValues()
{
m_Segm->m_Start = m_StartInitialValue;
m_Segm->m_End = m_EndInitialValue;
}
};
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/* Variables */
// a list of DRAG_SEGM items used to move or drag tracks.
// Each DRAG_SEGM item points a segment to move.
extern std::vector<DRAG_SEGM> g_DragSegmentList;
/* Functions */
void DrawSegmentWhileMovingFootprint( EDA_DRAW_PANEL* panel, wxDC* DC );
void Build_Drag_Liste( EDA_DRAW_PANEL* panel, wxDC* DC, MODULE* Module );
void Build_1_Pad_SegmentsToDrag( EDA_DRAW_PANEL* panel, wxDC* DC, D_PAD* PtPad );
void Collect_TrackSegmentsToDrag( EDA_DRAW_PANEL* panel, wxDC* DC,
wxPoint& point, int LayerMask, int net_code );
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/**
* Function EraseDragList
* clear the .m_Flags of all track segments managed by in g_DragSegmentList
* and clear the list.
* In order to avoid useless memory allocation, the memory is not freed
* and will be reused when creating a new list
*/
void EraseDragList();
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/* Add the segment"Track" to the drag list, and erase it from screen
* flag = STARTPOINT (if the point to drag is the start point of Track)
* or ENDPOINT
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*/
void AddSegmentToDragList( EDA_DRAW_PANEL* panel, wxDC* DC, int flag, TRACK* Track );