Refactor driver for continuous compilation by a background process

src/CMakeLists.txt

@@ -19,6 +19,7 @@ find_package(PkgConfig REQUIRED)
 pkg_check_modules(hunspell REQUIRED IMPORTED_TARGET hunspell)
 
 set(SOURCES
+    katvan_compileroutput.cpp
     katvan_editor.cpp
     katvan_editorsettings.cpp
     katvan_highlighter.cpp

src/katvan_compileroutput.cpp

@@ -0,0 +1,43 @@
+/*
+ * This file is part of Katvan
+ * Copyright (c) 2024 Igor Khanin
+ *
+ * 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 "katvan_compileroutput.h"
+
+#include <QFontDatabase>
+
+namespace katvan {
+
+CompilerOutput::CompilerOutput(QWidget* parent)
+    : QPlainTextEdit(parent)
+{
+    setReadOnly(true);
+    setFont(QFontDatabase::systemFont(QFontDatabase::FixedFont));
+}
+
+void CompilerOutput::setOutputLines(const QStringList& output)
+{
+    clear();
+    QTextCursor cursor(document());
+
+    QString outputString = "";
+    for (const auto& line : output) {
+        cursor.insertText(line);
+        cursor.insertBlock();
+    }
+}
+
+}

src/katvan_compileroutput.h

@@ -0,0 +1,36 @@
+/*
+ * This file is part of Katvan
+ * Copyright (c) 2024 Igor Khanin
+ *
+ * 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/>.
+ */
+#pragma once
+
+#include <QList>
+#include <QPlainTextEdit>
+
+namespace katvan {
+
+class CompilerOutput : public QPlainTextEdit
+{
+    Q_OBJECT
+
+public:
+    CompilerOutput(QWidget* parent = nullptr);
+
+public slots:
+    void setOutputLines(const QStringList& output);
+};
+
+}

src/katvan_mainwindow.cpp

@@ -15,6 +15,7 @@
  * 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 "katvan_compileroutput.h"
 #include "katvan_editor.h"
 #include "katvan_editorsettings.h"
 #include "katvan_mainwindow.h"
@@ -34,7 +35,6 @@
 #include <QInputDialog>
 #include <QMenuBar>
 #include <QMessageBox>
-#include <QPlainTextEdit>
 #include <QSettings>
 #include <QStatusBar>
 #include <QTextEdit>
@@ -57,15 +57,16 @@ MainWindow::MainWindow()
     connect(d_recentFiles, &RecentFiles::fileSelected, this, &MainWindow::openNamedFile);
 
     d_driver = new TypstDriver(this);
-    connect(d_driver, &TypstDriver::previewReady, this, &MainWindow::updatePreview);
-    connect(d_driver, &TypstDriver::compilationFailed, this, &MainWindow::compilationFailed);
 
     setupUI();
     setupActions();
     setupStatusBar();
 
+    connect(d_driver, &TypstDriver::previewReady, this, &MainWindow::updatePreview);
+    connect(d_driver, &TypstDriver::outputReady, d_compilerOutput, &CompilerOutput::setOutputLines);
+    connect(d_driver, &TypstDriver::compilationFailed, d_compilerOutputDock, &QDockWidget::show);
+
     readSettings();
-    setCurrentFile(QString());
     cursorPositionChanged();
 
     if (!d_driver->compilerFound()) {
@@ -86,7 +87,7 @@ void MainWindow::setupUI()
     d_editor = new Editor();
     connect(d_editor, &Editor::contentModified, d_driver, &TypstDriver::updatePreview);
     connect(d_editor, &QTextEdit::cursorPositionChanged, this, &MainWindow::cursorPositionChanged);
-    connect(d_editor->document(), &QTextDocument::modificationChanged, this, &QMainWindow::setWindowModified);
+    connect(d_editor->document(), &QTextDocument::modificationChanged, this, &QMainWindow::setWindowModified, Qt::QueuedConnection);
 
     d_searchBar = new SearchBar(d_editor);
     d_searchBar->setVisible(false);
@@ -103,13 +104,7 @@ void MainWindow::setupUI()
     connect(d_editorSettingsDialog, &QDialog::accepted, this, &MainWindow::editorSettingsDialogAccepted);
 
     d_previewer = new Previewer();
-
-    QFont monospaceFont { "Monospace" };
-    monospaceFont.setStyleHint(QFont::Monospace);
-
-    d_compilerOutput = new QPlainTextEdit();
-    d_compilerOutput->setReadOnly(true);
-    d_compilerOutput->setFont(monospaceFont);
+    d_compilerOutput = new CompilerOutput();
 
     setDockOptions(QMainWindow::AnimatedDocks);
 
@@ -380,13 +375,13 @@ void MainWindow::setCurrentFile(const QString& fileName)
 
     d_editor->checkForModelines();
 
-    d_editor->document()->setModified(false);
-    setWindowModified(false);
-
     setWindowTitle(QString("%1[*] - %2").arg(
         QCoreApplication::applicationName(),
         d_currentFileShortName));
 
+    d_editor->document()->setModified(false);
+    setWindowModified(false);
+
     d_driver->resetInputFile(fileName);
     d_searchBar->resetSearchRange();
     d_searchBar->hide();
@@ -692,18 +687,10 @@ void MainWindow::updatePreview(const QString& pdfFile)
         return;
     }
 
-    d_compilerOutput->clear();
-
     if (d_exportPdfPending) {
         QTimer::singleShot(0, this, &MainWindow::exportPdf);
         d_exportPdfPending = false;
     }
 }
 
-void MainWindow::compilationFailed(const QString& output)
-{
-    d_compilerOutput->setPlainText(output);
-    d_compilerOutputDock->show();
-}
-
 }

src/katvan_mainwindow.h

@@ -20,15 +20,14 @@
 #include <QMainWindow>
 
 QT_BEGIN_NAMESPACE
-class QPdfDocument;
-class QPlainTextEdit;
 class QSettings;
 class QToolButton;
 QT_END_NAMESPACE
 
 namespace katvan
 {
 
+class CompilerOutput;
 class Editor;
 class EditorSettingsDialog;
 class TypstDriver;
@@ -45,8 +44,10 @@ class MainWindow : public QMainWindow
 
     void loadFile(const QString& fileName);
 
-private slots:
+public slots:
     void newFile();
+
+private slots:
     void openFile();
     void openNamedFile(const QString& fileName);
     bool saveFile();
@@ -61,7 +62,6 @@ private slots:
     void toggleCursorMovementStyle();
     void editorSettingsDialogAccepted();
     void updatePreview(const QString& pdfFile);
-    void compilationFailed(const QString& output);
 
 private:
     void setupUI();
@@ -83,12 +83,11 @@ private slots:
 
     RecentFiles* d_recentFiles;
     TypstDriver* d_driver;
-    QPdfDocument* d_previewDocument;
 
     Editor* d_editor;
     SearchBar* d_searchBar;
     Previewer* d_previewer;
-    QPlainTextEdit* d_compilerOutput;
+    CompilerOutput* d_compilerOutput;
 
     EditorSettingsDialog* d_editorSettingsDialog;