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-rw-r--r--src/gui/latexprocess.cpp98
-rw-r--r--src/gui/latexprocess.h33
-rw-r--r--src/gui/mainmenu.cpp7
-rw-r--r--src/gui/mainmenu.h1
-rw-r--r--src/gui/mainmenu.ui9
-rw-r--r--src/gui/previewwindow.cpp122
-rw-r--r--src/gui/previewwindow.h35
-rw-r--r--src/gui/previewwindow.ui77
8 files changed, 381 insertions, 1 deletions
diff --git a/src/gui/latexprocess.cpp b/src/gui/latexprocess.cpp
new file mode 100644
index 0000000..20b22a4
--- /dev/null
+++ b/src/gui/latexprocess.cpp
@@ -0,0 +1,98 @@
+#include "latexprocess.h"
+#include "tikzit.h"
+
+#include <QDebug>
+#include <QStandardPaths>
+#include <QTemporaryDir>
+
+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)
+{
+ _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");
+ _output->appendPlainText("SEARCHING FOR pdflatex IN:");
+ _output->appendPlainText(qgetenv("PATH"));
+ _output->appendPlainText("\n");
+
+
+ QString pdflatex = QStandardPaths::findExecutable("pdflatex");
+ if (pdflatex.isEmpty()) {
+ _output->appendPlainText("pdflatex NOT FOUND, ABORTING.\n");
+ return;
+ }
+
+ _output->appendPlainText("FOUND: " + pdflatex + "\n");
+
+ // copy active *.tikzstyles file to preview dir
+ if (!tikzit->styleFile().isEmpty() && QFile::exists(tikzit->styleFilePath())) {
+ QFile::copy(tikzit->styleFilePath(), _workingDir.path() + "/" + tikzit->styleFile());
+ }
+
+ // 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";
+ tex << "\\input{" + tikzit->styleFile() + "}\n";
+ tex << "\\begin{document}\n\n";
+ tex << tikz;
+ tex << "\n\n\\end{document}\n";
+
+ f.close();
+ _proc->start(pdflatex, QStringList() << "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);
+ emit previewFinished();
+ } else {
+ _output->appendPlainText("\n\npdflatex RETURNED AN ERROR\n");
+ emit previewFinished();
+ }
+}
diff --git a/src/gui/latexprocess.h b/src/gui/latexprocess.h
new file mode 100644
index 0000000..dc815f2
--- /dev/null
+++ b/src/gui/latexprocess.h
@@ -0,0 +1,33 @@
+#ifndef LATEXPROCESS_H
+#define LATEXPROCESS_H
+
+#include "previewwindow.h"
+
+#include <QObject>
+#include <QProcess>
+#include <QTemporaryDir>
+#include <QPlainTextEdit>
+
+class LatexProcess : public QObject
+{
+ Q_OBJECT
+public:
+ explicit LatexProcess(PreviewWindow *preview, QObject *parent = nullptr);
+ void makePreview(QString tikz);
+ void kill();
+
+private:
+ QTemporaryDir _workingDir;
+ PreviewWindow *_preview;
+ QPlainTextEdit *_output;
+ QProcess *_proc;
+
+public slots:
+ void readyReadStandardOutput();
+ void finished(int exitCode);
+
+signals:
+ void previewFinished();
+};
+
+#endif // LATEXPROCESS_H
diff --git a/src/gui/mainmenu.cpp b/src/gui/mainmenu.cpp
index 8166c59..6f6ab00 100644
--- a/src/gui/mainmenu.cpp
+++ b/src/gui/mainmenu.cpp
@@ -228,6 +228,11 @@ void MainMenu::on_actionJump_to_Selection_triggered()
}
}
+void MainMenu::on_actionRun_LaTeX_triggered()
+{
+ tikzit->makePreview();
+}
+
// View
void MainMenu::on_actionZoom_In_triggered()
@@ -260,5 +265,5 @@ void MainMenu::on_actionCheck_for_updates_automatically_triggered()
void MainMenu::on_actionCheck_now_triggered()
{
- tikzit->checkForUpdates();
+ tikzit->checkForUpdates(true);
}
diff --git a/src/gui/mainmenu.h b/src/gui/mainmenu.h
index c14a284..e1477b4 100644
--- a/src/gui/mainmenu.h
+++ b/src/gui/mainmenu.h
@@ -67,6 +67,7 @@ public slots:
void on_actionParse_triggered();
void on_actionRevert_triggered();
void on_actionJump_to_Selection_triggered();
+ void on_actionRun_LaTeX_triggered();
// View
void on_actionZoom_In_triggered();
diff --git a/src/gui/mainmenu.ui b/src/gui/mainmenu.ui
index 0481c1d..58a2ff0 100644
--- a/src/gui/mainmenu.ui
+++ b/src/gui/mainmenu.ui
@@ -74,6 +74,7 @@
<addaction name="actionParse"/>
<addaction name="actionRevert"/>
<addaction name="actionJump_to_Selection"/>
+ <addaction name="actionRun_LaTeX"/>
</widget>
<widget class="QMenu" name="menuView">
<property name="title">
@@ -335,6 +336,14 @@
<string>About</string>
</property>
</action>
+ <action name="actionRun_LaTeX">
+ <property name="text">
+ <string>Run LaTeX</string>
+ </property>
+ <property name="shortcut">
+ <string>Ctrl+R</string>
+ </property>
+ </action>
<addaction name="menuFile"/>
<addaction name="menuEdit"/>
<addaction name="menuView"/>
diff --git a/src/gui/previewwindow.cpp b/src/gui/previewwindow.cpp
new file mode 100644
index 0000000..724a951
--- /dev/null
+++ b/src/gui/previewwindow.cpp
@@ -0,0 +1,122 @@
+#include "previewwindow.h"
+#include "ui_previewwindow.h"
+
+#include "tikzit.h"
+#include "latexprocess.h"
+
+#include <QLabel>
+#include <QImage>
+#include <QPixmap>
+#include <QDebug>
+#include <QSettings>
+#include <QTemporaryDir>
+#include <QFile>
+#include <QTextStream>
+#include <QStandardPaths>
+#include <QMessageBox>
+#include <cmath>
+
+PreviewWindow::PreviewWindow(QWidget *parent) :
+ QDialog(parent),
+ ui(new Ui::PreviewWindow)
+{
+ QSettings settings("tikzit", "tikzit");
+ ui->setupUi(this);
+
+ QVariant geom = settings.value("geometry-preview");
+
+ if (geom.isValid()) {
+ restoreGeometry(geom.toByteArray());
+ }
+
+ _doc = nullptr;
+ _page = nullptr;
+ //setPdf("/home/aleks/ak-algebras.pdf");
+
+ //qDebug() << "preview dir:" << preparePreview("foo");
+
+ render();
+}
+
+PreviewWindow::~PreviewWindow()
+{
+ delete ui;
+}
+
+void PreviewWindow::setPdf(QString file)
+{
+ Poppler::Document *oldDoc = _doc;
+
+ // use loadFromData to avoid holding a lock on the PDF file in windows
+ QFile f(file);
+ f.open(QFile::ReadOnly);
+ QByteArray data = f.readAll();
+ f.close();
+ Poppler::Document *newDoc = Poppler::Document::loadFromData(data);
+
+ if (!newDoc) {
+ QMessageBox::warning(nullptr,
+ "Could not read PDF",
+ "Could not read: '" + file + "'.");
+ return;
+ }
+
+ _doc = newDoc;
+ _doc->setRenderHint(Poppler::Document::Antialiasing);
+ _doc->setRenderHint(Poppler::Document::TextAntialiasing);
+ _doc->setRenderHint(Poppler::Document::TextHinting );
+ _page = _doc->page(0);
+ render();
+
+ if (oldDoc != nullptr) delete oldDoc;
+}
+
+QPlainTextEdit *PreviewWindow::outputTextEdit()
+{
+ return ui->output;
+}
+
+void PreviewWindow::closeEvent(QCloseEvent *e) {
+ QSettings settings("tikzit", "tikzit");
+ settings.setValue("geometry-preview", saveGeometry());
+ QDialog::closeEvent(e);
+}
+
+void PreviewWindow::resizeEvent(QResizeEvent *e) {
+ render();
+ QDialog::resizeEvent(e);
+}
+
+void PreviewWindow::showEvent(QShowEvent *e) {
+ render();
+ QDialog::showEvent(e);
+}
+
+void PreviewWindow::render() {
+ if (_page == nullptr) return;
+
+ QSizeF size = _page->pageSizeF();
+
+ qreal ratio = devicePixelRatioF();
+ QRect rect = ui->scrollArea->visibleRegion().boundingRect();
+ int w = static_cast<int>(ratio * (rect.width() - 20));
+ int h = static_cast<int>(ratio * (rect.height() - 20));
+ qreal scale = fmin(static_cast<qreal>(w) / size.width(),
+ static_cast<qreal>(h) / size.height());
+
+
+ int dpi = static_cast<int>(scale * 72.0);
+ int w1 = static_cast<int>(scale * size.width());
+ int h1 = static_cast<int>(scale * size.height());
+
+ // qDebug() << "visible width:" << w;
+ // qDebug() << "visible height:" << h;
+ // qDebug() << "doc width:" << size.width();
+ // qDebug() << "doc height:" << size.height();
+ // qDebug() << "scale:" << scale;
+ // qDebug() << "dpi:" << dpi;
+
+ QPixmap pm = QPixmap::fromImage(_page->renderToImage(dpi, dpi, (w1 - w)/2, (h1 - h)/2, w, h));
+ pm.setDevicePixelRatio(ratio);
+ ui->pdf->setPixmap(pm);
+}
diff --git a/src/gui/previewwindow.h b/src/gui/previewwindow.h
new file mode 100644
index 0000000..c850ce9
--- /dev/null
+++ b/src/gui/previewwindow.h
@@ -0,0 +1,35 @@
+#ifndef PREVIEWWINDOW_H
+#define PREVIEWWINDOW_H
+
+#include <QDialog>
+#include <QPlainTextEdit>
+#include <poppler/qt5/poppler-qt5.h>
+
+namespace Ui {
+class PreviewWindow;
+}
+
+class PreviewWindow : public QDialog
+{
+ Q_OBJECT
+
+public:
+ explicit PreviewWindow(QWidget *parent = nullptr);
+ ~PreviewWindow();
+ void setPdf(QString file);
+ QString preparePreview(QString tikz);
+ QPlainTextEdit *outputTextEdit();
+
+protected:
+ void resizeEvent(QResizeEvent *e);
+ void showEvent(QShowEvent *e);
+ void closeEvent(QCloseEvent *e);
+
+private:
+ Ui::PreviewWindow *ui;
+ void render();
+ Poppler::Document *_doc;
+ Poppler::Page *_page;
+};
+
+#endif // PREVIEWWINDOW_H
diff --git a/src/gui/previewwindow.ui b/src/gui/previewwindow.ui
new file mode 100644
index 0000000..394fc41
--- /dev/null
+++ b/src/gui/previewwindow.ui
@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>PreviewWindow</class>
+ <widget class="QDialog" name="PreviewWindow">
+ <property name="geometry">
+ <rect>
+ <x>0</x>
+ <y>0</y>
+ <width>603</width>
+ <height>480</height>
+ </rect>
+ </property>
+ <property name="windowTitle">
+ <string>Preview</string>
+ </property>
+ <layout class="QVBoxLayout" name="verticalLayout">
+ <item>
+ <widget class="QTabWidget" name="tabWidget">
+ <property name="currentIndex">
+ <number>0</number>
+ </property>
+ <widget class="QWidget" name="pdfTab">
+ <attribute name="title">
+ <string>PDF</string>
+ </attribute>
+ <layout class="QVBoxLayout" name="verticalLayout_2">
+ <item>
+ <widget class="QScrollArea" name="scrollArea">
+ <property name="verticalScrollBarPolicy">
+ <enum>Qt::ScrollBarAlwaysOff</enum>
+ </property>
+ <property name="horizontalScrollBarPolicy">
+ <enum>Qt::ScrollBarAlwaysOff</enum>
+ </property>
+ <property name="widgetResizable">
+ <bool>true</bool>
+ </property>
+ <widget class="QWidget" name="scrollAreaWidgetContents">
+ <property name="geometry">
+ <rect>
+ <x>0</x>
+ <y>0</y>
+ <width>561</width>
+ <height>413</height>
+ </rect>
+ </property>
+ <layout class="QVBoxLayout" name="verticalLayout_4">
+ <item>
+ <widget class="QLabel" name="pdf">
+ <property name="text">
+ <string/>
+ </property>
+ </widget>
+ </item>
+ </layout>
+ </widget>
+ </widget>
+ </item>
+ </layout>
+ </widget>
+ <widget class="QWidget" name="outputTab">
+ <attribute name="title">
+ <string>Output</string>
+ </attribute>
+ <layout class="QVBoxLayout" name="verticalLayout_3">
+ <item>
+ <widget class="QPlainTextEdit" name="output"/>
+ </item>
+ </layout>
+ </widget>
+ </widget>
+ </item>
+ </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-16 10:20:04 +0000