scale combobox: regenerate pdfs preview with choosen scale

gui/mainwindow.cpp

@@ -5,9 +5,11 @@
 #include <QDesktopServices>
 #include <QUrl>
 #include <QClipboard>
+#include <QtGlobal>
 #include <QSettings>
 #include <QDateTime>
 #include <QProcess>
+#include <QComboBox>
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 #include "clicklabel.h"
@@ -43,8 +45,14 @@ void MainWindow::connectSignals()
 	connect(this, &MainWindow::startPdfPreviewGeneration, pdfWorker, &PdfWorker::generatePreviews);
 	connect(pdfWorker, &PdfWorker::previewReady, this, &MainWindow::pdfPreviewReceived);
 	connect(pdfWorker, &PdfWorker::previewsFinished, [&] { this->pdfDirty = false; });
+	connect(ui->comboScale, qOverload<const QString &>(&QComboBox::currentIndexChanged), this,
+			&MainWindow::comboScaleChanged);
 }
 
+void MainWindow::comboScaleChanged(QString text)
+{
+	makePdfPreview();
+}
 bool MainWindow::pdfTabActive()
 {
 	return ui->tabWidget->currentIndex() == 1;
@@ -155,7 +163,10 @@ void MainWindow::makePdfPreview()
 	ui->scrollAreaWidgetContents->setLayout(new QHBoxLayout());
 	ui->pdfProcessBar->setMaximum(this->pdfSearchResults.size());
 	processedPdfPreviews = 0;
-	emit startPdfPreviewGeneration(this->pdfSearchResults, 0.75);
+	QString scaleText = ui->comboScale->currentText();
+	scaleText.chop(1);
+
+	emit startPdfPreviewGeneration(this->pdfSearchResults, scaleText.toInt() / 100.);
 }
 
 void MainWindow::handleCancelledSearch()

gui/mainwindow.h

@@ -47,6 +47,7 @@ class MainWindow : public QMainWindow
 	void showSearchResultsContextMenu(const QPoint &point);
 	void tabChanged();
 	void pdfPreviewReceived(PdfPreview preview);
+	void comboScaleChanged(QString text);
 };
 
 #endif // MAINWINDOW_H

gui/mainwindow.ui

@@ -27,7 +27,7 @@
        <enum>QTabWidget::South</enum>
       </property>
       <property name="currentIndex">
-       <number>0</number>
+       <number>1</number>
       </property>
       <widget class="QWidget" name="resultsTab">
        <attribute name="title">
@@ -99,9 +99,9 @@
            </widget>
           </item>
           <item>
-           <widget class="QComboBox" name="comboBox">
+           <widget class="QComboBox" name="comboScale">
             <property name="currentText">
-             <string>25%</string>
+             <string>75%</string>
             </property>
             <item>
              <property name="text">

gui/qss.pro

@@ -7,7 +7,7 @@
 QT       += core gui
 
 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
-
+CONFIG += c++14
 TARGET = qss
 TEMPLATE = app
 

gui/searchworker.cpp

@@ -87,6 +87,7 @@ QString SearchWorker::createSql(const SearchWorker::Command &cmd)
 {
 	QString key = cmd.key;
 	QString value = cmd.value;
+	value = value.replace("'", "\\'");
 	if(key == "AND" || key == "OR" || key == "(" || key == ")")
 	{
 		return " " + key + " ";