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/** \file cparalle.c
* PARALLEL
*/
/* XTrkCad - Model Railroad CAD
* Copyright (C) 2005 Dave Bullis
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <math.h>
#include "ccurve.h"
#include "cstraigh.h"
#include "cundo.h"
#include "i18n.h"
#include "messages.h"
#include "param.h"
#include "track.h"
#include "utility.h"
static struct {
track_p Trk;
coOrd orig;
} Dpa;
static DIST_T parSeparation = 1.0;
static paramFloatRange_t r_0o1_100 = { 0.1, 100.0, 100 };
static paramData_t parSepPLs[] = {
#define parSepPD (parSepPLs[0])
{ PD_FLOAT, &parSeparation, "separation", PDO_DIM|PDO_NOPREF|PDO_NOPREF, &r_0o1_100, N_("Separation") } };
static paramGroup_t parSepPG = { "parallel", 0, parSepPLs, sizeof parSepPLs/sizeof parSepPLs[0] };
static STATUS_T CmdParallel( wAction_t action, coOrd pos )
{
DIST_T d;
track_p t=NULL;
coOrd p;
static coOrd p0, p1;
ANGLE_T a;
track_p t0, t1;
EPINX_T ep0=-1, ep1=-1;
wControl_p controls[2];
char * labels[1];
switch (action) {
case C_START:
if (parSepPD.control==NULL) {
ParamCreateControls( &parSepPG, NULL );
}
sprintf( message, "parallel-separation-%s", curScaleName );
parSeparation = ceil(13.0*12.0/curScaleRatio);
wPrefGetFloat( "misc", message, &parSeparation, parSeparation );
ParamLoadControls( &parSepPG );
ParamGroupRecord( &parSepPG );
controls[0] = parSepPD.control;
controls[1] = NULL;
labels[0] = N_("Separation");
InfoSubstituteControls( controls, labels );
/*InfoMessage( "Select track" );*/
return C_CONTINUE;
case C_DOWN:
if ( parSeparation <= 0.0 ) {
ErrorMessage( MSG_PARALLEL_SEP_GTR_0 );
return C_ERROR;
}
controls[0] = parSepPD.control;
controls[1] = NULL;
labels[0] = N_("Separation");
InfoSubstituteControls( controls, labels );
ParamLoadData( &parSepPG );
Dpa.orig = pos;
Dpa.Trk = OnTrack( &Dpa.orig, TRUE, TRUE );
if (!Dpa.Trk) {
return C_CONTINUE;
}
if ( !QueryTrack( Dpa.Trk, Q_CAN_PARALLEL ) ) {
Dpa.Trk = NULL;
InfoMessage(_(" Track doesn't support parallel"));
return C_CONTINUE;
}
/* in case query has changed things (eg joint) */
/*
* this seems to cause problems so I commented it out
* until further investigation shows the necessity
*/
//Dpa.Trk = OnTrack( &Dpa.orig, TRUE, TRUE );
tempSegs_da.cnt = 0;
case C_MOVE:
if (Dpa.Trk == NULL) return C_CONTINUE;
DrawSegs( &tempD, zero, 0.0, &tempSegs(0), tempSegs_da.cnt, trackGauge, wDrawColorBlack );
if ( !MakeParallelTrack( Dpa.Trk, pos, parSeparation, NULL, &p0, &p1 ) ) {
Dpa.Trk = NULL;
return C_CONTINUE;
}
DrawSegs( &tempD, zero, 0.0, &tempSegs(0), tempSegs_da.cnt, trackGauge, wDrawColorBlack );
return C_CONTINUE;
case C_UP:
if (Dpa.Trk == NULL) return C_CONTINUE;
DrawSegs( &tempD, zero, 0.0, &tempSegs(0), tempSegs_da.cnt, trackGauge, wDrawColorBlack );
p = p0;
if ((t0=OnTrack( &p, FALSE, TRUE )) != NULL) {
ep0 = PickEndPoint( p, t0 );
if ( GetTrkEndTrk(t0,ep0) != NULL ) {
t0 = NULL;
} else {
p = GetTrkEndPos( t0, ep0 );
d = FindDistance( p, p0 );
if ( d > connectDistance )
t0 = NULL;
}
}
p = p1;
if ((t1=OnTrack( &p, FALSE, TRUE )) != NULL) {
ep1 = PickEndPoint( p, t1 );
if ( GetTrkEndTrk(t1,ep1) != NULL ) {
t1 = NULL;
} else {
p = GetTrkEndPos( t1, ep1 );
d = FindDistance( p, p1 );
if ( d > connectDistance )
t1 = NULL;
}
}
UndoStart( _("Create Parallel Track"), "newParallel" );
if ( !MakeParallelTrack( Dpa.Trk, pos, parSeparation, &t, NULL, NULL ) ) {
return C_TERMINATE;
}
CopyAttributes( Dpa.Trk, t );
if ( t0 ) {
a = NormalizeAngle( GetTrkEndAngle( t0, ep0 ) - GetTrkEndAngle( t, 0 ) + (180.0+connectAngle/2.0) );
if (a < connectAngle) {
DrawEndPt( &mainD, t0, ep0, wDrawColorWhite );
ConnectTracks( t0, ep0, t, 0 );
DrawEndPt( &mainD, t0, ep0, wDrawColorBlack );
}
}
if ( t1 ) {
a = NormalizeAngle( GetTrkEndAngle( t1, ep1 ) - GetTrkEndAngle( t, 1 ) + (180.0+connectAngle/2.0) );
if (a < connectAngle) {
DrawEndPt( &mainD, t1, ep1, wDrawColorWhite );
ConnectTracks( t1, ep1, t, 1 );
DrawEndPt( &mainD, t1, ep1, wDrawColorBlack );
}
}
DrawNewTrack( t );
UndoEnd();
InfoSubstituteControls( NULL, NULL );
sprintf( message, "parallel-separation-%s", curScaleName );
wPrefSetFloat( "misc", message, parSeparation );
return C_TERMINATE;
case C_REDRAW:
return C_CONTINUE;
case C_CANCEL:
InfoSubstituteControls( NULL, NULL );
return C_TERMINATE;
}
return C_CONTINUE;
}
#include "bitmaps/parallel.xpm"
EXPORT void InitCmdParallel( wMenu_p menu )
{
AddMenuButton( menu, CmdParallel, "cmdParallel", _("Parallel"), wIconCreatePixMap(parallel_xpm), LEVEL0_50, IC_STICKY|IC_POPUP, ACCL_PARALLEL, NULL );
ParamRegister( &parSepPG );
}
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