Introduce KiwixApp::parseStyleFromFile()

This change adds a new function parseStyleFromFile(QString filePath)
It takes a file path, reads it and returns the string

src/choiceitem.cpp

@@ -2,6 +2,7 @@
 #include "ui_choiceitem.h"
 #include <QFile>
 #include <QMouseEvent>
+#include "kiwixapp.h"
 
 ChoiceItem::ChoiceItem(QString key, QString value, QWidget *parent) :
     QWidget(parent),
@@ -10,10 +11,7 @@ ChoiceItem::ChoiceItem(QString key, QString value, QWidget *parent) :
     m_value(value)
 {
     ui->setupUi(this);
-    QFile file(QString::fromUtf8(":/css/choiceBox.css"));
+    this->setStyleSheet(KiwixApp::instance()->parseStyleFromFile(":/css/choiceBox.css"));
-    file.open(QFile::ReadOnly);
-    QString styleSheet = QString(file.readAll());
-    this->setStyleSheet(styleSheet);
     ui->itemLabel->setText(key);
     ui->itemLabel->setToolTip(key);
     connect(ui->closeButton, &QPushButton::clicked, [=](){

src/contentmanagerside.cpp

@@ -13,10 +13,7 @@ ContentManagerSide::ContentManagerSide(QWidget *parent) :
 {
     setFocusPolicy(Qt::FocusPolicy::StrongFocus);
     mp_ui->setupUi(this);
-    QFile file(QString::fromUtf8(":/css/contentmanagerside.css"));
+    this->setStyleSheet(KiwixApp::instance()->parseStyleFromFile(":/css/contentmanagerside.css"));
-    file.open(QFile::ReadOnly);
-    QString styleSheet = QString(file.readAll());
-    this->setStyleSheet(styleSheet);
 
     mp_ui->buttonGroup->setId(mp_ui->allFileButton, CatalogButtonId::ALL);
     mp_ui->buttonGroup->setId(mp_ui->localFileButton, CatalogButtonId::LOCAL);

src/contentmanagerview.cpp

@@ -10,10 +10,7 @@ ContentManagerView::ContentManagerView(QWidget *parent)
 {
     mp_ui->setupUi(this);
     mp_ui->m_view->setSortingEnabled(true);
-    QFile file(QString::fromUtf8(":/css/_contentManager.css"));
+    mp_ui->m_view->setStyleSheet(KiwixApp::instance()->parseStyleFromFile(":/css/_contentManager.css"));
-    file.open(QFile::ReadOnly);
-    QString styleSheet = QString(file.readAll());
-    mp_ui->m_view->setStyleSheet(styleSheet);
     mp_ui->m_view->setContextMenuPolicy(Qt::CustomContextMenu);
     auto managerDelegate = new ContentManagerDelegate();
     mp_ui->m_view->setItemDelegate(managerDelegate);

src/kiwixapp.cpp

@@ -72,13 +72,7 @@ void KiwixApp::init()
 
     setApplicationName("Kiwix");
     setDesktopFileName("kiwix.desktop");
-
+    setStyleSheet(parseStyleFromFile(":/css/style.css"));
-    QFile styleFile(":/css/style.css");
-    styleFile.open(QIODevice::ReadOnly);
-    auto byteContent = styleFile.readAll();
-    QString style(byteContent);
-    setStyleSheet(style);
-
 
     createAction();
     mp_mainWindow = new MainWindow;
@@ -474,3 +468,12 @@ void KiwixApp::printVersions(std::ostream& out) {
   out << std::endl;
   zim::printVersions(out);
 }
+
+QString KiwixApp::parseStyleFromFile(QString filePath)
+{
+    QFile file(filePath);
+    file.open(QFile::ReadOnly);
+    QString styleSheet = QString(file.readAll());
+    file.close();
+    return styleSheet;
+}

src/kiwixapp.h

@@ -86,6 +86,7 @@ public:
     QString getText(const QString &key) { return m_translation.getText(key); };
     void setMonitorDir(const QString &dir);
     bool isCurrentArticleBookmarked();
+    QString parseStyleFromFile(QString filePath);
 
 public slots:
     void openZimFile(const QString& zimfile="");

src/kiwixchoicebox.cpp

@@ -18,10 +18,7 @@ KiwixChoiceBox::KiwixChoiceBox(QWidget *parent) :
     ui(new Ui::kiwixchoicebox)
 {
     ui->setupUi(this);
-
+    auto styleSheet = KiwixApp::instance()->parseStyleFromFile(":/css/choiceBox.css");
-    QFile file(QString::fromUtf8(":/css/choiceBox.css"));
-    file.open(QFile::ReadOnly);
-    QString styleSheet = QString(file.readAll());
     this->setStyleSheet(styleSheet);
     ui->clearButton->setText(gt("clear"));
     ui->clearButton->setToolTip(gt("clear-filter"));

src/kiwixconfirmbox.cpp

@@ -9,13 +9,7 @@ KiwixConfirmBox::KiwixConfirmBox(QString confirmTitle, QString confirmText, bool
 {
     ui->setupUi(this);
     setWindowFlag(Qt::FramelessWindowHint, true);
-
+    setStyleSheet(KiwixApp::instance()->parseStyleFromFile(":/css/confirmBox.css"));
-    QFile styleFile(":/css/confirmBox.css");
-    styleFile.open(QIODevice::ReadOnly);
-    auto byteContent = styleFile.readAll();
-    styleFile.close();
-    QString style(byteContent);
-    setStyleSheet(style);
     connect(ui->yesButton, &QPushButton::clicked, [=]() {
         emit yesClicked();
     });

src/searchbar.cpp

@@ -71,12 +71,7 @@ SearchBar::SearchBar(QWidget *parent) :
     m_completer.setMaxVisibleItems(16);
     setCompleter(&m_completer);
 
-    QFile styleFile(":/css/popup.css");
+    m_completer.popup()->setStyleSheet(KiwixApp::instance()->parseStyleFromFile(":/css/popup.css"));
-    styleFile.open(QIODevice::ReadOnly);
-    auto byteContent = styleFile.readAll();
-    styleFile.close();
-    QString style(byteContent);
-    m_completer.popup()->setStyleSheet(style);
 
     qRegisterMetaType<QVector<QUrl>>("QVector<QUrl>");
     connect(mp_typingTimer, &QTimer::timeout, this, &SearchBar::updateCompletion);

src/settingsview.cpp

@@ -9,10 +9,7 @@ SettingsView::SettingsView(QWidget *parent)
     , ui(new Ui::Settings)
 {
     ui->setupUi(this);
-    QFile file(QString::fromUtf8(":/css/_settingsManager.css"));
+    ui->widget->setStyleSheet(KiwixApp::instance()->parseStyleFromFile(":/css/_settingsManager.css"));
-    file.open(QFile::ReadOnly);
-    QString styleSheet = QString(file.readAll());
-    ui->widget->setStyleSheet(styleSheet);
     connect(ui->zoomPercentSpinBox, QOverload<int>::of(&QSpinBox::valueChanged), this, &SettingsView::setZoom);
     connect(ui->moveToTrashToggle, &QCheckBox::clicked, this, &SettingsView::setMoveToTrash);
     connect(ui->browseButton, &QPushButton::clicked, this, &SettingsView::browseDownloadDir);