kicad/pcbnew/dragsegm.cpp

221 lines
6.6 KiB
C++

/*********************************/
/* functions used to drag tracks */
/*********************************/
/* Fichier dragsegm.cpp */
#include "fctsys.h"
#include "common.h"
#include "class_drawpanel.h"
#include "pcbnew.h"
#include "drag.h"
/* a list of DRAG_SEGM items used to move or drag tracks */
std::vector<DRAG_SEGM> g_DragSegmentList;
/* helper class to handle a list of track segments to drag or move
*/
DRAG_SEGM::DRAG_SEGM( TRACK* segm )
{
m_Segm = segm;
m_StartInitialValue = m_Segm->m_Start;
m_EndInitialValue = m_Segm->m_End;
m_Pad_Start = m_Pad_End = NULL;
m_Flag = 0;
}
/*******************************************************************/
void Dessine_Segments_Dragges( WinEDA_DrawPanel* panel, wxDC* DC )
/*******************************************************************/
/* Redraw the list of segments starting in g_DragSegmentList, while moving a footprint */
{
D_PAD* pt_pad;
TRACK* Track;
if( g_DragSegmentList.size() == 0 )
return;
for( unsigned ii = 0; ii < g_DragSegmentList.size(); ii++ )
{
wxPoint pos;
Track = g_DragSegmentList[ii].m_Segm;
Track->Draw( panel, DC, GR_XOR ); // erase from screen at old position
pt_pad = g_DragSegmentList[ii].m_Pad_Start;
if( pt_pad )
{
pos = pt_pad->m_Pos - g_Offset_Module;
Track->m_Start = pos;
}
pt_pad = g_DragSegmentList[ii].m_Pad_End;
if( pt_pad )
{
pos = pt_pad->m_Pos - g_Offset_Module;
Track->m_End = pos;
}
Track->Draw( panel, DC, GR_XOR );
}
}
/*************************************************************************/
void Build_Drag_Liste( WinEDA_DrawPanel* panel, wxDC* DC, MODULE* Module )
/*************************************************************************/
/** Build the list of track segments connected to pads of a given module
* by populate the std::vector<DRAG_SEGM> g_DragSegmentList
* For each selected track segment set the EDIT flag
* and redraw them in EDIT mode (sketch mode)
*/
{
D_PAD* pt_pad;
pt_pad = Module->m_Pads;
for( ; pt_pad != NULL; pt_pad = (D_PAD*) pt_pad->Next() )
{
Build_1_Pad_SegmentsToDrag( panel, DC, pt_pad );
}
return;
}
/**********************************************************************************/
void Build_1_Pad_SegmentsToDrag( WinEDA_DrawPanel* panel, wxDC* DC, D_PAD* PtPad )
/**********************************************************************************/
/** Build the list of track segments connected to a given pad
* by populate the std::vector<DRAG_SEGM> g_DragSegmentList
* For each selected track segment set the EDIT flag
* and redraw them in EDIT mode (sketch mode)
* Net codes must be OK.
*/
{
TRACK* Track;
int net_code = PtPad->GetNet();
int MasqueLayer;
wxPoint pos;
BOARD* pcb = ( (WinEDA_BasePcbFrame*)( panel->GetParent() ) )->GetBoard();
Track = pcb->m_Track->GetStartNetCode( net_code );
pos = PtPad->m_Pos;
MasqueLayer = PtPad->m_Masque_Layer;
for( ; Track; Track = Track->Next() )
{
if( Track->GetNet() != net_code )
break;
if( ( MasqueLayer & Track->ReturnMaskLayer() ) == 0 )
continue;
if( pos == Track->m_Start )
{
AddSegmentToDragList( panel, DC, STARTPOINT, Track );
g_DragSegmentList.back().m_Pad_Start = PtPad;
}
if( pos == Track->m_End )
{
AddSegmentToDragList( panel, DC, ENDPOINT, Track );
g_DragSegmentList.back().m_Pad_End = PtPad;
}
}
}
/******************************************************************/
void AddSegmentToDragList( WinEDA_DrawPanel* panel, wxDC* DC,
int flag, TRACK* Track )
/******************************************************************/
/* 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
*/
{
DRAG_SEGM wrapper( Track );
if( (flag & STARTPOINT) )
wrapper.m_Flag |= 1;
if( (flag & ENDPOINT) )
wrapper.m_Flag |= 2;
Track->Draw( panel, DC, GR_XOR );
Track->SetState( EDIT, ON );
if( (flag & STARTPOINT) )
Track->m_Flags |= STARTPOINT;
if( (flag & ENDPOINT) )
Track->m_Flags |= ENDPOINT;
Track->Draw( panel, DC, GR_XOR );
g_DragSegmentList.push_back( wrapper );
}
/**********************************************************************************/
void Collect_TrackSegmentsToDrag( WinEDA_DrawPanel* panel, wxDC* DC,
wxPoint& aRefPos, int MasqueLayer, int net_code )
/**********************************************************************************/
/* Build the list of tracks connected to the ref point
* Net codes must be OK.
* @param aRefPos = reference point of connection
*/
{
BOARD* pcb = ( (WinEDA_BasePcbFrame*)( panel->GetParent() ) )->GetBoard();
TRACK* track = pcb->m_Track->GetStartNetCode( net_code );
for( ; track; track = track->Next() )
{
if( track->GetNet() != net_code ) // Bad net, not connected
break;
if( ( MasqueLayer & track->ReturnMaskLayer() ) == 0 )
continue; // Cannot be connected, not on the same layer
if( track->m_Flags & IS_DRAGGED )
continue; // already put in list
int flag = 0;
if( (track->m_Start == aRefPos) && ((track->m_Flags & STARTPOINT) == 0) )
flag |= STARTPOINT;
if( track->m_End == aRefPos && ((track->m_Flags & ENDPOINT) == 0) )
flag |= ENDPOINT;
// Note: vias will be flagged with both STARTPOINT and ENDPOINT
// and must not be entered twice.
if( flag )
{
AddSegmentToDragList( panel, DC, flag, track );
// If a connected via is found at location aRefPos,
// collect also tracks connected by this via.
if( track->Type() == TYPE_VIA )
Collect_TrackSegmentsToDrag( panel, DC, aRefPos,
track->ReturnMaskLayer(),
net_code );
}
}
}
/**
* Function EraseDragList
* clear the .m_Flags of all track segments found in g_DragSegmentList
* and clear the list.
* the memory is not freed and will be reused when creating a new list
*/
void EraseDragList()
{
for( unsigned ii = 0; ii < g_DragSegmentList.size(); ii++ )
g_DragSegmentList[ii].m_Segm->m_Flags = 0;
g_DragSegmentList.clear();
}