diff -r ab77deb851fa -r 8d98ee0dc917 src/extPrograms.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/extPrograms.cpp	Tue Mar 03 22:29:27 2015 +0200
@@ -0,0 +1,721 @@
+/*
+ *  LDForge: LDraw parts authoring CAD
+ *  Copyright (C) 2013 - 2015 Teemu Piippo
+ *
+ *  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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <QProcess>
+#include <QTemporaryFile>
+#include <QDialog>
+#include <QDialogButtonBox>
+#include <QSpinBox>
+#include <QCheckBox>
+#include <QComboBox>
+#include <QGridLayout>
+#include <QFileInfo>
+#include "main.h"
+#include "configuration.h"
+#include "miscallenous.h"
+#include "mainWindow.h"
+#include "ldDocument.h"
+#include "radioGroup.h"
+#include "editHistory.h"
+#include "ui_ytruder.h"
+#include "ui_intersector.h"
+#include "ui_rectifier.h"
+#include "ui_coverer.h"
+#include "ui_isecalc.h"
+#include "ui_edger2.h"
+#include "dialogs.h"
+
+enum extprog
+{
+	Isecalc,
+	Intersector,
+	Coverer,
+	Ytruder,
+	Rectifier,
+	Edger2,
+};
+
+// =============================================================================
+//
+CFGENTRY (String, IsecalcPath, "")
+CFGENTRY (String, IntersectorPath, "")
+CFGENTRY (String, CovererPath, "")
+CFGENTRY (String, YtruderPath, "")
+CFGENTRY (String, RectifierPath, "")
+CFGENTRY (String, Edger2Path, "")
+
+QString* const g_extProgPaths[] =
+{
+	&cfg::IsecalcPath,
+	&cfg::IntersectorPath,
+	&cfg::CovererPath,
+	&cfg::YtruderPath,
+	&cfg::RectifierPath,
+	&cfg::Edger2Path,
+};
+
+CFGENTRY (Bool, IsecalcUsesWine, false)
+CFGENTRY (Bool, IntersectorUsesWine, false)
+CFGENTRY (Bool, CovererUsesWine, false)
+CFGENTRY (Bool, YtruderUsesWine, false)
+CFGENTRY (Bool, RectifierUsesWine, false)
+CFGENTRY (Bool, Edger2UsesWine, false)
+
+bool* const g_extProgWine[] =
+{
+	&cfg::IsecalcUsesWine,
+	&cfg::IntersectorUsesWine,
+	&cfg::CovererUsesWine,
+	&cfg::YtruderUsesWine,
+	&cfg::RectifierUsesWine,
+	&cfg::Edger2UsesWine,
+};
+
+const char* g_extProgNames[] =
+{
+	"Isecalc",
+	"Intersector",
+	"Coverer",
+	"Ytruder",
+	"Rectifier",
+	"Edger2"
+};
+
+// =============================================================================
+//
+static bool MakeTempFile (QTemporaryFile& tmp, QString& fname)
+{
+	if (not tmp.open())
+		return false;
+
+	fname = tmp.fileName();
+	tmp.close();
+	return true;
+}
+
+// =============================================================================
+//
+static bool CheckExtProgramPath (const extprog prog)
+{
+	QString& path = *g_extProgPaths[prog];
+
+	if (not path.isEmpty())
+		return true;
+
+	ExtProgPathPrompt* dlg = new ExtProgPathPrompt (g_extProgNames[prog]);
+
+	if (dlg->exec() and not dlg->getPath().isEmpty())
+	{
+		path = dlg->getPath();
+		return true;
+	}
+
+	return false;
+}
+
+// =============================================================================
+//
+static QString ProcessExtProgError (extprog prog, QProcess& proc)
+{
+	switch (proc.error())
+	{
+		case QProcess::FailedToStart:
+		{
+			QString wineblurb;
+
+#ifndef _WIN32
+			if (*g_extProgWine[prog])
+				wineblurb = "make sure Wine is installed and ";
+#else
+			(void) prog;
+#endif
+
+			return format ("Program failed to start, %1check your permissions", wineblurb);
+		} break;
+
+		case QProcess::Crashed:
+			return "Crashed.";
+
+		case QProcess::WriteError:
+		case QProcess::ReadError:
+			return "I/O error.";
+
+		case QProcess::UnknownError:
+			return "Unknown error";
+
+		case QProcess::Timedout:
+			return format ("Timed out (30 seconds)");
+	}
+
+	return "";
+}
+
+// =============================================================================
+//
+static void WriteObjects (const LDObjectList& objects, QFile& f)
+{
+	for (LDObjectPtr obj : objects)
+	{
+		if (obj->type() == OBJ_Subfile)
+		{
+			LDSubfilePtr ref = obj.staticCast<LDSubfile>();
+			LDObjectList objs = ref->inlineContents (true, false);
+
+			WriteObjects (objs, f);
+
+			for (LDObjectPtr obj : objs)
+				obj->destroy();
+		}
+		else
+			f.write ((obj->asText() + "\r\n").toUtf8());
+	}
+}
+
+// =============================================================================
+//
+static void WriteObjects (const LDObjectList& objects, QString fname)
+{
+	// Write the input file
+	QFile f (fname);
+
+	if (not f.open (QIODevice::WriteOnly | QIODevice::Text))
+	{
+		Critical (format ("Couldn't open temporary file %1 for writing: %2\n", fname, f.errorString()));
+		return;
+	}
+
+	WriteObjects (objects, f);
+	f.close();
+
+#ifdef DEBUG
+	QFile::copy (fname, "debug_lastInput");
+#endif
+}
+
+// =============================================================================
+//
+void WriteSelection (QString fname)
+{
+	WriteObjects (Selection(), fname);
+}
+
+// =============================================================================
+//
+void WriteColorGroup (LDColor color, QString fname)
+{
+	LDObjectList objects;
+
+	for (LDObjectPtr obj : CurrentDocument()->objects())
+	{
+		if (not obj->isColored() or obj->color() != color)
+			continue;
+
+		objects << obj;
+	}
+
+	WriteObjects (objects, fname);
+}
+
+// =============================================================================
+//
+bool RunExtProgram (extprog prog, QString path, QString argvstr)
+{
+	QTemporaryFile input;
+	QStringList argv = argvstr.split (" ", QString::SkipEmptyParts);
+
+#ifndef _WIN32
+	if (*g_extProgWine[prog])
+	{
+		argv.insert (0, path);
+		path = "wine";
+	}
+#endif // _WIN32
+
+	print ("Running command: %1 %2\n", path, argv.join (" "));
+
+	if (not input.open())
+		return false;
+
+	QProcess proc;
+
+	// Begin!
+	proc.setStandardInputFile (input.fileName());
+	proc.start (path, argv);
+
+	if (not proc.waitForStarted())
+	{
+		Critical (format ("Couldn't start %1: %2\n", g_extProgNames[prog], ProcessExtProgError (prog, proc)));
+		return false;
+	}
+
+	// Write an enter, the utility tools all expect one
+	input.write ("\n");
+
+	// Wait while it runs
+	proc.waitForFinished();
+
+	QString err = "";
+
+	if (proc.exitStatus() != QProcess::NormalExit)
+		err = ProcessExtProgError (prog, proc);
+
+	// Check the return code
+	if (proc.exitCode() != 0)
+		err = format ("Program exited abnormally (return code %1).",  proc.exitCode());
+
+	if (not err.isEmpty())
+	{
+		Critical (format ("%1 failed: %2\n", g_extProgNames[prog], err));
+		QString filename ("externalProgramOutput.txt");
+		QFile file (filename);
+
+		if (file.open (QIODevice::WriteOnly | QIODevice::Text))
+		{
+			file.write (proc.readAllStandardOutput());
+			file.write (proc.readAllStandardError());
+			print ("Wrote output and error logs to %1", QFileInfo (file).absoluteFilePath());
+		}
+		else
+		{
+			print ("Couldn't open %1 for writing: %2",
+				QFileInfo (filename).absoluteFilePath(), file.errorString());
+		}
+
+		return false;
+	}
+
+	return true;
+}
+
+// =============================================================================
+//
+static void InsertOutput (QString fname, bool replace, QList<LDColor> colorsToReplace)
+{
+#ifdef DEBUG
+	QFile::copy (fname, "./debug_lastOutput");
+#endif // RELEASE
+
+	// Read the output file
+	QFile f (fname);
+
+	if (not f.open (QIODevice::ReadOnly))
+	{
+		Critical (format ("Couldn't open temporary file %1 for reading.\n", fname));
+		return;
+	}
+
+	LDObjectList objs = LoadFileContents (&f, null);
+
+	// If we replace the objects, delete the selection now.
+	if (replace)
+		g_win->deleteSelection();
+
+	for (LDColor color : colorsToReplace)
+		g_win->deleteByColor (color);
+
+	// Insert the new objects
+	CurrentDocument()->clearSelection();
+
+	for (LDObjectPtr obj : objs)
+	{
+		if (not obj->isScemantic())
+		{
+			obj->destroy();
+			continue;
+		}
+
+		CurrentDocument()->addObject (obj);
+		obj->select();
+	}
+
+	g_win->doFullRefresh();
+}
+
+// =============================================================================
+// Interface for Ytruder
+// =============================================================================
+void MainWindow::actionYtruder()
+{
+	setlocale (LC_ALL, "C");
+
+	if (not CheckExtProgramPath (Ytruder))
+		return;
+
+	QDialog* dlg = new QDialog;
+	Ui::YtruderUI ui;
+	ui.setupUi (dlg);
+
+	if (not dlg->exec())
+		return;
+
+	// Read the user's choices
+	const enum { Distance, Symmetry, Projection, Radial } mode =
+		ui.mode_distance->isChecked()   ? Distance :
+		ui.mode_symmetry->isChecked()   ? Symmetry :
+		ui.mode_projection->isChecked() ? Projection : Radial;
+
+	const Axis axis =
+		ui.axis_x->isChecked() ? X :
+		ui.axis_y->isChecked() ? Y : Z;
+
+	const double depth = ui.planeDepth->value(),
+				 condAngle = ui.condAngle->value();
+
+	QTemporaryFile indat, outdat;
+	QString inDATName, outDATName;
+
+	// Make temp files for the input and output files
+	if (not MakeTempFile (indat, inDATName) or not MakeTempFile (outdat, outDATName))
+		return;
+
+	// Compose the command-line arguments
+	QString argv = Join (
+	{
+		(axis == X) ? "-x" : (axis == Y) ? "-y" : "-z",
+		(mode == Distance) ? "-d" : (mode == Symmetry) ? "-s" : (mode == Projection) ? "-p" : "-r",
+		depth,
+		"-a",
+		condAngle,
+		inDATName,
+		outDATName
+	});
+
+	WriteSelection (inDATName);
+
+	if (not RunExtProgram (Ytruder, cfg::YtruderPath, argv))
+		return;
+
+	InsertOutput (outDATName, false, {});
+}
+
+// =============================================================================
+// Rectifier interface
+// =============================================================================
+void MainWindow::actionRectifier()
+{
+	setlocale (LC_ALL, "C");
+
+	if (not CheckExtProgramPath (Rectifier))
+		return;
+
+	QDialog* dlg = new QDialog;
+	Ui::RectifierUI ui;
+	ui.setupUi (dlg);
+
+	if (not dlg->exec())
+		return;
+
+	QTemporaryFile indat, outdat;
+	QString inDATName, outDATName;
+
+	// Make temp files for the input and output files
+	if (not MakeTempFile (indat, inDATName) or not MakeTempFile (outdat, outDATName))
+		return;
+
+	// Compose arguments
+	QString argv = Join (
+	{
+		(not ui.cb_condense->isChecked()) ? "-q" : "",
+		(not ui.cb_subst->isChecked()) ? "-r" : "",
+		(ui.cb_condlineCheck->isChecked()) ? "-a" : "",
+		(ui.cb_colorize->isChecked()) ? "-c" : "",
+		"-t",
+		ui.dsb_coplthres->value(),
+		inDATName,
+		outDATName
+	});
+
+	WriteSelection (inDATName);
+
+	if (not RunExtProgram (Rectifier, cfg::RectifierPath, argv))
+		return;
+
+	InsertOutput (outDATName, true, {});
+}
+
+// =============================================================================
+// Intersector interface
+// =============================================================================
+void MainWindow::actionIntersector()
+{
+	setlocale (LC_ALL, "C");
+
+	if (not CheckExtProgramPath (Intersector))
+		return;
+
+	QDialog* dlg = new QDialog;
+	Ui::IntersectorUI ui;
+	ui.setupUi (dlg);
+
+	MakeColorComboBox (ui.cmb_incol);
+	MakeColorComboBox (ui.cmb_cutcol);
+	ui.cb_repeat->setWhatsThis ("If this is set, " APPNAME " runs Intersector a second time with inverse files to cut the "
+								" cutter group with the input group. Both groups are cut by the intersection.");
+	ui.cb_edges->setWhatsThis ("Makes " APPNAME " try run Isecalc to create edgelines for the intersection.");
+
+	LDColor inCol, cutCol;
+	const bool repeatInverse = ui.cb_repeat->isChecked();
+
+	forever
+	{
+		if (not dlg->exec())
+			return;
+
+		inCol = LDColor::fromIndex (ui.cmb_incol->itemData (ui.cmb_incol->currentIndex()).toInt());
+		cutCol = LDColor::fromIndex (ui.cmb_cutcol->itemData (ui.cmb_cutcol->currentIndex()).toInt());
+
+		if (inCol == cutCol)
+		{
+			Critical ("Cannot use the same color group for both input and cutter!");
+			continue;
+		}
+
+		break;
+	}
+
+	// Five temporary files!
+	// indat = input group file
+	// cutdat = cutter group file
+	// outdat = primary output
+	// outdat2 = inverse output
+	// edgesdat = edges output (isecalc)
+	QTemporaryFile indat, cutdat, outdat, outdat2, edgesdat;
+	QString inDATName, cutDATName, outDATName, outDAT2Name, edgesDATName;
+
+	if (not MakeTempFile (indat, inDATName) or
+		not MakeTempFile (cutdat, cutDATName) or
+		not MakeTempFile (outdat, outDATName) or
+		not MakeTempFile (outdat2, outDAT2Name) or
+		not MakeTempFile (edgesdat, edgesDATName))
+	{
+		return;
+	}
+
+	QString parms = Join (
+	{
+		(ui.cb_colorize->isChecked()) ? "-c" : "",
+		(ui.cb_nocondense->isChecked()) ? "-t" : "",
+		"-s",
+		ui.dsb_prescale->value()
+	});
+
+	QString argv_normal = Join (
+	{
+		parms,
+		inDATName,
+		cutDATName,
+		outDATName
+	});
+
+	QString argv_inverse = Join (
+	{
+		parms,
+		cutDATName,
+		inDATName,
+		outDAT2Name
+	});
+
+	WriteColorGroup (inCol, inDATName);
+	WriteColorGroup (cutCol, cutDATName);
+
+	if (not RunExtProgram (Intersector, cfg::IntersectorPath, argv_normal))
+		return;
+
+	InsertOutput (outDATName, false, {inCol});
+
+	if (repeatInverse and RunExtProgram (Intersector, cfg::IntersectorPath, argv_inverse))
+		InsertOutput (outDAT2Name, false, {cutCol});
+
+	if (ui.cb_edges->isChecked() and CheckExtProgramPath (Isecalc) and
+		RunExtProgram (Isecalc, cfg::IsecalcPath, Join ({inDATName, cutDATName, edgesDATName})))
+	{
+		InsertOutput (edgesDATName, false, {});
+	}
+}
+
+// =============================================================================
+//
+void MainWindow::actionCoverer()
+{
+	setlocale (LC_ALL, "C");
+
+	if (not CheckExtProgramPath (Coverer))
+		return;
+
+	QDialog* dlg = new QDialog;
+	Ui::CovererUI ui;
+	ui.setupUi (dlg);
+	MakeColorComboBox (ui.cmb_col1);
+	MakeColorComboBox (ui.cmb_col2);
+
+	LDColor in1Col, in2Col;
+
+	forever
+	{
+		if (not dlg->exec())
+			return;
+
+		in1Col = LDColor::fromIndex (ui.cmb_col1->itemData (ui.cmb_col1->currentIndex()).toInt());
+		in2Col = LDColor::fromIndex (ui.cmb_col2->itemData (ui.cmb_col2->currentIndex()).toInt());
+
+		if (in1Col == in2Col)
+		{
+			Critical ("Cannot use the same color group for both inputs!");
+			continue;
+		}
+
+		break;
+	}
+
+	QTemporaryFile in1dat, in2dat, outdat;
+	QString in1DATName, in2DATName, outDATName;
+
+	if (not MakeTempFile (in1dat, in1DATName) or
+		not MakeTempFile (in2dat, in2DATName) or
+		not MakeTempFile (outdat, outDATName))
+	{
+		return;
+	}
+
+	QString argv = Join (
+	{
+		(ui.cb_oldsweep->isChecked() ? "-s" : ""),
+		(ui.cb_reverse->isChecked() ? "-r" : ""),
+		(ui.dsb_segsplit->value() != 0 ? format ("-l %1", ui.dsb_segsplit->value()) : ""),
+		(ui.sb_bias->value() != 0 ? format ("-s %1", ui.sb_bias->value()) : ""),
+		in1DATName,
+		in2DATName,
+		outDATName
+	});
+
+	WriteColorGroup (in1Col, in1DATName);
+	WriteColorGroup (in2Col, in2DATName);
+
+	if (not RunExtProgram (Coverer, cfg::CovererPath, argv))
+		return;
+
+	InsertOutput (outDATName, false, {});
+}
+
+// =============================================================================
+//
+void MainWindow::actionIsecalc()
+{
+	setlocale (LC_ALL, "C");
+
+	if (not CheckExtProgramPath (Isecalc))
+		return;
+
+	Ui::IsecalcUI ui;
+	QDialog* dlg = new QDialog;
+	ui.setupUi (dlg);
+
+	MakeColorComboBox (ui.cmb_col1);
+	MakeColorComboBox (ui.cmb_col2);
+
+	LDColor in1Col, in2Col;
+
+	// Run the dialog and validate input
+	forever
+	{
+		if (not dlg->exec())
+			return;
+
+		in1Col = LDColor::fromIndex (ui.cmb_col1->itemData (ui.cmb_col1->currentIndex()).toInt());
+		in2Col = LDColor::fromIndex (ui.cmb_col2->itemData (ui.cmb_col2->currentIndex()).toInt());
+
+		if (in1Col == in2Col)
+		{
+			Critical ("Cannot use the same color group for both input and cutter!");
+			continue;
+		}
+
+		break;
+	}
+
+	QTemporaryFile in1dat, in2dat, outdat;
+	QString in1DATName, in2DATName, outDATName;
+
+	if (not MakeTempFile (in1dat, in1DATName) or
+		not MakeTempFile (in2dat, in2DATName) or
+		not MakeTempFile (outdat, outDATName))
+	{
+		return;
+	}
+
+	QString argv = Join (
+	{
+		in1DATName,
+		in2DATName,
+		outDATName
+	});
+
+	WriteColorGroup (in1Col, in1DATName);
+	WriteColorGroup (in2Col, in2DATName);
+	RunExtProgram (Isecalc, cfg::IsecalcPath, argv);
+	InsertOutput (outDATName, false, {});
+}
+
+// =============================================================================
+//
+void MainWindow::actionEdger2()
+{
+	setlocale (LC_ALL, "C");
+
+	if (not CheckExtProgramPath (Edger2))
+		return;
+
+	QDialog* dlg = new QDialog;
+	Ui::Edger2Dialog ui;
+	ui.setupUi (dlg);
+
+	if (not dlg->exec())
+		return;
+
+	QTemporaryFile in, out;
+	QString inName, outName;
+
+	if (not MakeTempFile (in, inName) or not MakeTempFile (out, outName))
+		return;
+
+	int unmatched = ui.unmatched->currentIndex();
+
+	QString argv = Join (
+	{
+		format ("-p %1", ui.precision->value()),
+		format ("-af %1", ui.flatAngle->value()),
+		format ("-ac %1", ui.condAngle->value()),
+		format ("-ae %1", ui.edgeAngle->value()),
+		ui.delLines->isChecked()     ? "-de" : "",
+		ui.delCondLines->isChecked() ? "-dc" : "",
+		ui.colored->isChecked()      ? "-c" : "",
+		ui.bfc->isChecked()          ? "-b" : "",
+		ui.convex->isChecked()       ? "-cx" : "",
+		ui.concave->isChecked()      ? "-cv" : "",
+		unmatched == 0 ? "-u+" : (unmatched == 2 ? "-u-" : ""),
+		inName,
+		outName,
+	});
+
+	WriteSelection (inName);
+
+	if (not RunExtProgram (Edger2, cfg::Edger2Path, argv))
+		return;
+
+	InsertOutput (outName, true, {});
+}