Implement Welcome Dialog (#1116)

src/Cutter.cpp

@@ -2311,3 +2311,4 @@ QList<CutterPlugin *> CutterCore::getCutterPlugins()
 {
     return plugins;
 }
+

src/Cutter.pro

@@ -220,7 +220,9 @@ SOURCES += \
     dialogs/HexdumpRangeDialog.cpp \
     common/QtResImporter.cpp \
     common/CutterSeekable.cpp \
-    common/RefreshDeferrer.cpp
+    common/RefreshDeferrer.cpp \
+    dialogs/WelcomeDialog.cpp
+
 
 HEADERS  += \
     Cutter.h \
@@ -324,7 +326,8 @@ HEADERS  += \
     dialogs/HexdumpRangeDialog.h \
     common/QtResImporter.h \
     common/CutterSeekable.h \
-    common/RefreshDeferrer.h
+    common/RefreshDeferrer.h \
+    dialogs/WelcomeDialog.h
 
 FORMS    += \
     dialogs/AboutDialog.ui \
@@ -382,7 +385,8 @@ FORMS    += \
     widgets/ColorSchemePrefWidget.ui \
     widgets/CutterTreeView.ui \
     widgets/ComboQuickFilterView.ui \
-    dialogs/HexdumpRangeDialog.ui
+    dialogs/HexdumpRangeDialog.ui \
+    dialogs/WelcomeDialog.ui
 
 RESOURCES += \
     resources.qrc \

src/CutterApplication.cpp

@@ -166,6 +166,11 @@ CutterApplication::CutterApplication(int &argc, char **argv) : QApplication(argc
             std::exit(1);
         }
 
+        // check if this is the first execution of Cutter in this computer
+        // Note: the execution after the preferences benn reset, will be considered as first-execution
+        if (Config()->isFirstExecution()) {
+            mainWindow->displayWelcomeDialog();
+        }
         mainWindow->displayNewFileDialog();
     } else { // filename specified as positional argument
         InitialOptions options;

src/MainWindow.cpp

@@ -42,6 +42,7 @@
 #include "common/TempConfig.h"
 
 // Dialogs
+#include "dialogs/WelcomeDialog.h"
 #include "dialogs/NewFileDialog.h"
 #include "dialogs/InitialOptionsDialog.h"
 #include "dialogs/SaveProjectDialog.h"
@@ -335,6 +336,19 @@ void MainWindow::openNewFileFailed()
     mb.exec();
 }
 
+/*!
+ * \brief displays the WelocmeDialog
+ *
+ * Upon first execution of Cutter, the WelcomeDialog would be showed to the user.
+ * The Welcome dialog would be showed after a reset of Cutter's preferences by the user.
+ */
+
+void MainWindow::displayWelcomeDialog()
+{
+    WelcomeDialog w;
+    w.exec();
+}
+
 void MainWindow::displayNewFileDialog()
 {
     NewFileDialog *n = new NewFileDialog();

src/MainWindow.h

@@ -11,6 +11,7 @@
 #include "widgets/HexdumpWidget.h"
 #include "widgets/PseudocodeWidget.h"
 #include "dialogs/NewFileDialog.h"
+#include "dialogs/WelcomeDialog.h"
 #include "common/Configuration.h"
 #include "common/InitialOptions.h"
 
@@ -70,6 +71,7 @@ public:
 
     void openNewFile(InitialOptions options = InitialOptions(), bool skipOptionsDialog = false);
     void displayNewFileDialog();
+    void displayWelcomeDialog();
     void closeNewFileDialog();
     void openProject(const QString &project_name);
 

src/common/Configuration.cpp

@@ -115,16 +115,41 @@ void Configuration::resetAll()
     emit fontsUpdated();
 }
 
+/*!
+ * \brief get the current Locale set in Cutter's user configuration
+ * \return a QLocale object describes user's current locale
+ */
 QLocale Configuration::getCurrLocale() const
 {
     return s.value("locale", QLocale().system()).toLocale();
 }
 
+/*!
+ * \brief sets Cutter's locale
+ * \param l - a QLocale object describes the locate to confugre
+ */
 void Configuration::setLocale(const QLocale &l)
 {
     s.setValue("locale", l);
 }
 
+/*!
+ * \brief set Cutter's interface language by a given locale name
+ * \param language - a string represents the name of a locale language
+ */
+void Configuration::setLocaleByName(const QString &language)
+{
+    auto allLocales = QLocale::matchingLocales(QLocale::AnyLanguage, QLocale::AnyScript,
+                                               QLocale::AnyCountry);
+
+    for (auto &it : allLocales) {
+        if (QString::compare(it.nativeLanguageName(), language, Qt::CaseInsensitive) == 0) {
+            setLocale(it);
+            break;
+        }
+    }
+}
+
 bool Configuration::windowColorIsDark()
 {
     ColorFlags currentThemeColorFlags = getCurrentTheme()->flag;
@@ -422,3 +447,48 @@ void Configuration::setConfig(const QString &key, const QVariant &value)
 
     Core()->setConfig(key, value);
 }
+
+/*!
+ * \brief this function will gather and return available translation for Cutter
+ * \return a list of all available translations
+ */
+QStringList Configuration::getAvailableTranslations()
+{
+    QDir dir(QCoreApplication::applicationDirPath() + QDir::separator() +
+             "translations");
+    QStringList fileNames = dir.entryList(QStringList("cutter_*.qm"), QDir::Files,
+                                          QDir::Name);
+    QStringList languages;
+    QString currLanguageName;
+    auto allLocales = QLocale::matchingLocales(QLocale::AnyLanguage, QLocale::AnyScript,
+                                               QLocale::AnyCountry);
+
+    for (auto i : fileNames) {
+        QString localeName = i.mid(sizeof("cutter_") - 1, 2);
+        for (auto j : allLocales) {
+            if (j.name().startsWith(localeName)) {
+                currLanguageName = j.nativeLanguageName();
+                currLanguageName = currLanguageName.at(0).toUpper() +
+                                   currLanguageName.right(currLanguageName.length() - 1);
+                languages << currLanguageName;
+                break;
+            }
+        }
+    }
+    return languages << "English";
+}
+
+/*!
+ * \brief check if this is the first time Cutter's is executed on this computer
+ * \return true if this is first execution; otherwise returns false.
+ */
+bool Configuration::isFirstExecution()
+{
+    // check if a variable named firstExecution existed in the configuration
+    if (s.contains("firstExecution")) {
+        return false;
+    } else {
+        s.setValue("firstExecution", false);
+        return true;
+    }
+}

src/common/Configuration.h

@@ -50,6 +50,8 @@ public:
     // Languages
     QLocale getCurrLocale() const;
     void setLocale(const QLocale &l);
+    void setLocaleByName(const QString &language);
+    QStringList getAvailableTranslations();
 
     // Fonts
     const QFont getFont() const;
@@ -104,6 +106,8 @@ public:
      * \brief Set the value of a config var either to r2 or settings, depending on the key.
      */
     void setConfig(const QString &key, const QVariant &value);
+    bool isFirstExecution();
+
 
 signals:
     void fontsUpdated();

src/dialogs/NewfileDialog.ui

@@ -10,6 +10,12 @@
     <height>599</height>
    </rect>
   </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
   <property name="windowTitle">
    <string>Open File</string>
   </property>
@@ -138,7 +144,6 @@
           <property name="currentIndex">
            <number>0</number>
           </property>
-
           <widget class="QWidget" name="filesTab">
            <attribute name="title">
             <string>Open File</string>
@@ -313,13 +318,11 @@
             </item>
            </layout>
           </widget>
-
           <widget class="QWidget" name="shellcodeTab">
            <attribute name="title">
             <string>Open Shellcode</string>
            </attribute>
            <layout class="QVBoxLayout" name="shellcodeLayout">
-
             <item>
              <widget class="QLabel" name="shellcodeLabel">
               <property name="sizePolicy">
@@ -333,7 +336,6 @@
               </property>
              </widget>
             </item>
-
             <item>
              <widget class="QPlainTextEdit" name="shellcodeText">
               <property name="sizePolicy">
@@ -344,7 +346,6 @@
               </property>
              </widget>
             </item>
-
             <item>
              <layout class="QHBoxLayout" name="shellcodeLayout_1">
               <item>
@@ -352,10 +353,10 @@
                 <property name="orientation">
                  <enum>Qt::Horizontal</enum>
                 </property>
-                <property name="spacerSize" stdset="0">
+                <property name="sizeHint" stdset="0">
                  <size>
-                  <width>40</width>
+                  <width>0</width>
-                  <height>20</height>
+                  <height>0</height>
                  </size>
                 </property>
                </spacer>
@@ -369,10 +370,8 @@
               </item>
              </layout>
             </item>
-
            </layout>
-          </widget>>
+          </widget>
-
           <widget class="QWidget" name="projectsTab">
            <attribute name="title">
             <string>Projects</string>
@@ -517,7 +516,6 @@
             </item>
            </layout>
           </widget>
-
          </widget>
         </item>
        </layout>

src/dialogs/WelcomeDialog.cpp

@@ -0,0 +1,92 @@
+#include "MainWindow.h"
+#include "CutterConfig.h"
+
+#include "common/Helpers.h"
+#include "WelcomeDialog.h"
+#include "AboutDialog.h"
+
+#include "ui_WelcomeDialog.h"
+
+/*!
+ * \brief Constructs a WelcomeDialog object
+ * \param parent
+ */
+WelcomeDialog::WelcomeDialog(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::WelcomeDialog)
+{
+    ui->setupUi(this);
+    ui->logoSvgWidget->load(Config()->getLogoFile());
+    ui->versionLabel->setText("<font color='#a4a9b2'>" + tr("Version ") + CUTTER_VERSION_FULL + "</font>");
+    ui->themeComboBox->setCurrentIndex(Config()->getTheme());
+    ui->themeComboBox->setFixedWidth(200);
+    ui->themeComboBox->view()->setFixedWidth(200);
+
+    QStringList langs = Config()->getAvailableTranslations();
+    ui->languageComboBox->addItems(langs);
+    QString curr = Config()->getCurrLocale().nativeLanguageName();
+    curr = curr.at(0).toUpper() + curr.right(curr.length() - 1);
+    if (!langs.contains(curr)) {
+        curr = "English";
+    }
+    ui->languageComboBox->setCurrentText(curr);
+    connect(ui->languageComboBox,
+            static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+            this,
+            &WelcomeDialog::onLanguageComboBox_currentIndexChanged);
+
+}
+
+/*!
+ * \brief Destroys the WelcomeDialog
+ */
+WelcomeDialog::~WelcomeDialog()
+{
+    delete ui;
+}
+
+/*!
+ * \brief change Cutter's QT Theme as selected by the user
+ * \param index - a Slot being called after theme's value changes its index
+ */
+void WelcomeDialog::on_themeComboBox_currentIndexChanged(int index)
+{
+    Config()->setTheme(index);
+
+    // make sure that Cutter's logo changes its color according to the selected theme
+    ui->logoSvgWidget->load(Config()->getLogoFile());
+}
+
+/*!
+ * \brief change Cutter's interface language as selected by the user
+ * \param index - a Slot being called after language combo box value changes its index
+ */
+void WelcomeDialog::onLanguageComboBox_currentIndexChanged(int index)
+{
+    QString language = ui->languageComboBox->itemText(index).toLower();
+    Config()->setLocaleByName(language);
+
+    QMessageBox mb;
+    mb.setWindowTitle(tr("Language settings"));
+    mb.setText(tr("Language will be changed after next application start."));
+    mb.setIcon(QMessageBox::Information);
+    mb.setStandardButtons(QMessageBox::Ok);
+    mb.exec();
+}
+
+/*!
+ * \brief show Cutter's About dialog
+ */
+void WelcomeDialog::on_checkUpdateButton_clicked()
+{
+    AboutDialog *a = new AboutDialog(this);
+    a->open();
+}
+
+/*!
+ * \brief accept user preferences, close the window and continue Cutter's execution
+ */
+void WelcomeDialog::on_continueButton_clicked()
+{
+    accept();
+}

src/dialogs/WelcomeDialog.h

@@ -0,0 +1,38 @@
+#ifndef WELCOMEDIALOG_H
+#define WELCOMEDIALOG_H
+
+#include <QDialog>
+
+namespace Ui {
+
+/*!
+ * \class WelcomeDialog
+ * \brief The WelcomeDialog class will show the user the Welcome windows
+ *  upon first execution of Cutter.
+ *
+ * Upon first execution of Cutter, the WelcomeDialog would be showed to the user.
+ * The Welcome dialog would be showed after a reset of Cutter's preferences by the user.
+ */
+
+class WelcomeDialog;
+}
+
+class WelcomeDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit WelcomeDialog(QWidget *parent = 0);
+    ~WelcomeDialog();
+
+private slots:
+    void on_themeComboBox_currentIndexChanged(int index);
+    void onLanguageComboBox_currentIndexChanged(int index);
+    void on_checkUpdateButton_clicked();
+    void on_continueButton_clicked();
+
+private:
+    Ui::WelcomeDialog *ui;
+};
+
+#endif // WELCOMEDIALOG_H

src/dialogs/WelcomeDialog.ui

@@ -0,0 +1,364 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>WelcomeDialog</class>
+ <widget class="QDialog" name="WelcomeDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>717</width>
+    <height>452</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="windowTitle">
+   <string>Welcome to Cutter</string>
+  </property>
+  <property name="modal">
+   <bool>true</bool>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout_2" stretch="1,2,3">
+   <property name="sizeConstraint">
+    <enum>QLayout::SetDefaultConstraint</enum>
+   </property>
+   <item>
+    <layout class="QVBoxLayout" name="verticalLayout" stretch="1,0,1,0,0">
+     <property name="spacing">
+      <number>0</number>
+     </property>
+     <property name="sizeConstraint">
+      <enum>QLayout::SetFixedSize</enum>
+     </property>
+     <property name="leftMargin">
+      <number>2</number>
+     </property>
+     <property name="topMargin">
+      <number>2</number>
+     </property>
+     <property name="rightMargin">
+      <number>2</number>
+     </property>
+     <property name="bottomMargin">
+      <number>2</number>
+     </property>
+     <item alignment="Qt::AlignHCenter|Qt::AlignVCenter">
+      <widget class="QSvgWidget" name="logoSvgWidget" native="true">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="minimumSize">
+        <size>
+         <width>88</width>
+         <height>88</height>
+        </size>
+       </property>
+       <property name="maximumSize">
+        <size>
+         <width>88</width>
+         <height>88</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="cutterLabel">
+       <property name="enabled">
+        <bool>true</bool>
+       </property>
+       <property name="font">
+        <font>
+         <family>Monospace</family>
+         <pointsize>20</pointsize>
+        </font>
+       </property>
+       <property name="text">
+        <string>Cutter</string>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignCenter</set>
+       </property>
+      </widget>
+     </item>
+     <item alignment="Qt::AlignHCenter">
+      <widget class="QLabel" name="versionLabel">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="font">
+        <font>
+         <pointsize>11</pointsize>
+        </font>
+       </property>
+       <property name="text">
+        <string>Version </string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="verticalSpacer_4">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+       <property name="sizeType">
+        <enum>QSizePolicy::Fixed</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>20</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <layout class="QGridLayout" name="gridLayout" rowstretch="0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0" columnstretch="3,2,3,0,0,0,0">
+       <property name="sizeConstraint">
+        <enum>QLayout::SetFixedSize</enum>
+       </property>
+       <property name="horizontalSpacing">
+        <number>0</number>
+       </property>
+       <property name="verticalSpacing">
+        <number>9</number>
+       </property>
+       <item row="17" column="1">
+        <widget class="QPushButton" name="checkUpdateButton">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>0</width>
+           <height>0</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>16777215</width>
+           <height>16777215</height>
+          </size>
+         </property>
+         <property name="text">
+          <string>About</string>
+         </property>
+        </widget>
+       </item>
+       <item row="18" column="1">
+        <widget class="QComboBox" name="themeComboBox">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>0</width>
+           <height>0</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>16777215</width>
+           <height>16777215</height>
+          </size>
+         </property>
+         <property name="currentIndex">
+          <number>0</number>
+         </property>
+         <property name="iconSize">
+          <size>
+           <width>160</width>
+           <height>16</height>
+          </size>
+         </property>
+         <item>
+          <property name="text">
+           <string>Native Theme</string>
+          </property>
+         </item>
+         <item>
+          <property name="text">
+           <string>Dark Theme</string>
+          </property>
+         </item>
+        </widget>
+       </item>
+       <item row="19" column="1">
+        <widget class="QComboBox" name="languageComboBox"/>
+       </item>
+      </layout>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeType">
+      <enum>QSizePolicy::Fixed</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>20</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+   <item>
+    <layout class="QGridLayout" name="textGridLayout" columnstretch="1,6,6,1">
+     <property name="sizeConstraint">
+      <enum>QLayout::SetDefaultConstraint</enum>
+     </property>
+     <property name="rightMargin">
+      <number>0</number>
+     </property>
+     <property name="bottomMargin">
+      <number>5</number>
+     </property>
+     <item row="0" column="1" alignment="Qt::AlignBottom">
+      <widget class="QLabel" name="communityTitleLabel">
+       <property name="font">
+        <font>
+         <pointsize>12</pointsize>
+         <weight>75</weight>
+         <bold>true</bold>
+        </font>
+       </property>
+       <property name="lineWidth">
+        <number>2</number>
+       </property>
+       <property name="text">
+        <string>Community</string>
+       </property>
+      </widget>
+     </item>
+     <item row="1" column="1" alignment="Qt::AlignLeft|Qt::AlignTop">
+      <widget class="QLabel" name="communityRichTextLAbel">
+       <property name="lineWidth">
+        <number>1</number>
+       </property>
+       <property name="text">
+        <string>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
+&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;style type=&quot;text/css&quot;&gt;
+p, li { white-space: pre-wrap; }
+&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'Noto Sans'; font-size:10pt; font-weight:400; font-style:normal;&quot;&gt;
+&lt;p style=&quot; margin-top:12px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;Join thousands of reverse engineers in our community:&lt;br /&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Twitter:&lt;/span&gt;	&lt;a href=&quot;https://twitter.com/r2gui&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#2980b9;&quot;&gt;@r2gui&lt;/span&gt;&lt;/a&gt;&lt;br /&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Telegram:	&lt;/span&gt;&lt;a href=&quot;https://t.me/r2cutter&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#2980b9;&quot;&gt;@r2cutter &lt;br /&gt;&lt;/span&gt;&lt;/a&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;IRC:	&lt;/span&gt;#cutter on &lt;a href=&quot;irc.freenode.net&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#2980b9;&quot;&gt;irc.freenode.net&lt;/span&gt;&lt;/a&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
+       <property name="textFormat">
+        <enum>Qt::RichText</enum>
+       </property>
+       <property name="wordWrap">
+        <bool>true</bool>
+       </property>
+       <property name="openExternalLinks">
+        <bool>true</bool>
+       </property>
+       <property name="textInteractionFlags">
+        <set>Qt::TextBrowserInteraction</set>
+       </property>
+      </widget>
+     </item>
+     <item row="1" column="2" alignment="Qt::AlignTop">
+      <widget class="QLabel" name="contributingTextLabel">
+       <property name="text">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Want to help us make Cutter even better?&lt;br/&gt;Visit our &lt;a href=&quot;https://github.com/radareorg/cutter&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#2980b9;&quot;&gt;Github page&lt;/span&gt;&lt;/a&gt; and report bugs or contribute code.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
+       <property name="wordWrap">
+        <bool>true</bool>
+       </property>
+       <property name="indent">
+        <number>20</number>
+       </property>
+       <property name="openExternalLinks">
+        <bool>true</bool>
+       </property>
+       <property name="textInteractionFlags">
+        <set>Qt::TextBrowserInteraction</set>
+       </property>
+      </widget>
+     </item>
+     <item row="1" column="0">
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>10</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item row="0" column="2" alignment="Qt::AlignBottom">
+      <widget class="QLabel" name="contributingLabel">
+       <property name="font">
+        <font>
+         <pointsize>12</pointsize>
+         <weight>75</weight>
+         <bold>true</bold>
+        </font>
+       </property>
+       <property name="text">
+        <string>Contributing</string>
+       </property>
+       <property name="indent">
+        <number>20</number>
+       </property>
+      </widget>
+     </item>
+     <item row="1" column="3">
+      <spacer name="horizontalSpacer_2">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>10</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item row="2" column="3">
+      <widget class="QPushButton" name="continueButton">
+       <property name="text">
+        <string>Continue 🢒</string>
+       </property>
+       <property name="flat">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>QSvgWidget</class>
+   <extends>QWidget</extends>
+   <header>QSvgWidget</header>
+   <container>1</container>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections/>
+</ui>

src/dialogs/preferences/AppearanceOptionsWidget.cpp

@@ -30,34 +30,6 @@ static const QHash<QString, ColorFlags> kRelevantSchemes = {
     { "white", LightFlag }
 };
 
-QStringList findLanguages()
-{
-    QDir dir(QCoreApplication::applicationDirPath() + QDir::separator() +
-             "translations");
-    QStringList fileNames = dir.entryList(QStringList("cutter_*.qm"), QDir::Files,
-                                          QDir::Name);
-    QStringList languages;
-    QString currLanguageName;
-    auto allLocales = QLocale::matchingLocales(QLocale::AnyLanguage, QLocale::AnyScript,
-                                               QLocale::AnyCountry);
-
-    for (auto i : fileNames) {
-        QString localeName = i.mid(sizeof("cutter_") - 1, 2);
-        for (auto j : allLocales) {
-            if (j.name().startsWith(localeName)) {
-                currLanguageName = j.nativeLanguageName();
-                currLanguageName = currLanguageName.at(0).toUpper() +
-                                   currLanguageName.right(currLanguageName.length() - 1);
-                languages << currLanguageName;
-                break;
-            }
-        }
-    }
-
-    return languages << "English";
-}
-
-
 AppearanceOptionsWidget::AppearanceOptionsWidget(PreferencesDialog *dialog, QWidget *parent)
     : QDialog(parent),
       ui(new Ui::AppearanceOptionsWidget)
@@ -68,7 +40,7 @@ AppearanceOptionsWidget::AppearanceOptionsWidget(PreferencesDialog *dialog, QWid
     updateFontFromConfig();
     updateThemeFromConfig(false);
 
-    QStringList langs = findLanguages();
+    QStringList langs = Config()->getAvailableTranslations();
     ui->languageComboBox->addItems(langs);
 
     QString curr = Config()->getCurrLocale().nativeLanguageName();
@@ -213,15 +185,7 @@ void AppearanceOptionsWidget::on_deleteButton_clicked()
 void AppearanceOptionsWidget::onLanguageComboBoxCurrentIndexChanged(int index)
 {
     QString language = ui->languageComboBox->itemText(index).toLower();
-    auto allLocales = QLocale::matchingLocales(QLocale::AnyLanguage, QLocale::AnyScript,
+    Config()->setLocaleByName(language);
-                                               QLocale::AnyCountry);
-
-    for (auto &it : allLocales) {
-        if (it.nativeLanguageName().toLower() == language) {
-            Config()->setLocale(it);
-            break;
-        }
-    }
 
     QMessageBox mb;
     mb.setWindowTitle(tr("Language settings"));