1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/*
TikZiT - a GUI diagram editor for TikZ
Copyright (C) 2018 Aleks Kissinger
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 <https://www.gnu.org/licenses/>.
*/
#include "latexprocess.h"
#include "tikzit.h"
#include <QDebug>
#include <QStandardPaths>
#include <QTemporaryDir>
#include <QStringList>
#include <QSettings>
LatexProcess::LatexProcess(PreviewWindow *preview, QObject *parent) : QObject(parent)
{
_preview = preview;
_output = preview->outputTextEdit();
_proc = new QProcess(this);
_proc->setProcessChannelMode(QProcess::MergedChannels);
_proc->setWorkingDirectory(_workingDir.path());
connect(_proc, SIGNAL(readyReadStandardOutput()), this, SLOT(readyReadStandardOutput()));
connect(_proc, SIGNAL(finished(int)), this, SLOT(finished(int)));
// for debug purposes
_workingDir.setAutoRemove(false);
}
void LatexProcess::makePreview(QString tikz)
{
QSettings settings("tikzit", "tikzit");
_preview->setStatus(PreviewWindow::Running);
_output->clear();
if (!_workingDir.isValid()) {
_output->appendPlainText("COULD NOT WRITE TO TEMP DIR: " + _workingDir.path() + "\n");
return;
}
_output->appendPlainText("USING TEMP DIR: " + _workingDir.path() + "\n");
QString pdflatex;
if (settings.value("auto-detect-pdflatex", true).toBool()) {
_output->appendPlainText("SEARCHING FOR pdflatex IN:");
_output->appendPlainText(qgetenv("PATH"));
_output->appendPlainText("\n");
pdflatex = QStandardPaths::findExecutable("pdflatex");
if (pdflatex.isEmpty()) {
// if pdflatex is not in PATH, we are probably on mac or windows, so try common
// install directories.
_output->appendPlainText("NOT FOUND IN PATH, TRYING:");
QStringList texDirs;
// common macOS tex directories:
texDirs << "/Library/TeX/texbin";
texDirs << "/usr/texbin";
texDirs << "/usr/local/bin";
texDirs << "/sw/bin";
// common windows tex directories
texDirs << "C:\\Program Files\\MiKTeX 2.9\\miktex\\bin";
texDirs << "C:\\Program Files\\MiKTeX 2.9\\miktex\\bin\\x64";
_output->appendPlainText(texDirs.join(":"));
pdflatex = QStandardPaths::findExecutable("pdflatex", texDirs);
}
if (pdflatex.isEmpty()) {
_output->appendPlainText("pdflatex NOT FOUND, ABORTING.\n");
_preview->setStatus(PreviewWindow::Failed);
return;
} else {
_output->appendPlainText("FOUND: " + pdflatex + "\n");
}
} else {
_output->appendPlainText("USING pdflatex:\n");
pdflatex = settings.value("pdflatex-path", "/usr/bin/pdflatex").toString();
_output->appendPlainText(pdflatex + "\n");
}
// copy tikzit.sty to preview dir
QFile::copy(":/tex/sample/tikzit.sty", _workingDir.path() + "/tikzit.sty");
// write out the file containing the tikz picture
QFile f(_workingDir.path() + "/preview.tex");
f.open(QIODevice::WriteOnly);
QTextStream tex(&f);
tex << "\\documentclass{article}\n";
tex << "\\usepackage{tikzit}\n";
tex << "\\usepackage[graphics,active,tightpage]{preview}\n";
tex << "\\PreviewEnvironment{tikzpicture}\n";
// copy active *.tikzstyles file to preview dir
if (!tikzit->styleFile().isEmpty() && QFile::exists(tikzit->styleFilePath())) {
QFile::copy(tikzit->styleFilePath(), _workingDir.path() + "/" + tikzit->styleFile());
tex << "\\input{" + tikzit->styleFile() + "}\n";
// if there is a *.tikzdefs file with the same basename, copy and include it as well
QFileInfo fi(tikzit->styleFilePath());
QString defFile = fi.baseName() + ".tikzdefs";
QString defFilePath = fi.absolutePath() + "/" + defFile;
if (QFile::exists(defFilePath)) {
QFile::copy(defFilePath, _workingDir.path() + "/" + defFile);
tex << "\\input{" + defFile + "}\n";
}
}
tex << "\\begin{document}\n\n";
tex << tikz;
tex << "\n\n\\end{document}\n";
f.close();
_proc->start(pdflatex,
QStringList()
<< "-interaction=nonstopmode"
<< "-halt-on-error"
<< "preview.tex");
}
void LatexProcess::kill()
{
if (_proc->state() == QProcess::Running) _proc->kill();
}
void LatexProcess::readyReadStandardOutput()
{
QByteArray s = _proc->readAllStandardOutput();
_output->appendPlainText(s);
}
void LatexProcess::finished(int exitCode)
{
QByteArray s = _proc->readAllStandardOutput();
_output->appendPlainText(s);
if (exitCode == 0) {
QString pdf = _workingDir.path() + "/preview.pdf";
_output->appendPlainText("\n\nSUCCESSFULLY GENERATED: " + pdf + "\n");
_preview->setPdf(pdf);
_preview->setStatus(PreviewWindow::Success);
emit previewFinished();
} else {
_output->appendPlainText("\n\npdflatex RETURNED AN ERROR\n");
_preview->setStatus(PreviewWindow::Failed);
emit previewFinished();
}
}
|