Improve settings menu layout

include/UserSettingsPage.h

@@ -25,8 +25,9 @@
 
 class Toggle;
 
-constexpr int OptionMargin     = 6;
-constexpr int LayoutSideMargin = 300;
+constexpr int OptionMargin       = 6;
+constexpr int LayoutTopMargin    = 50;
+constexpr int LayoutBottomMargin = LayoutTopMargin;
 
 class UserSettings
 {
@@ -63,6 +64,7 @@ public:
 
 protected:
         void showEvent(QShowEvent *event) override;
+        void resizeEvent(QResizeEvent *event) override;
 
 signals:
         void moveBack();
@@ -71,6 +73,7 @@ signals:
 private:
         // Layouts
         QVBoxLayout *topLayout_;
+        QVBoxLayout *mainLayout_;
         QHBoxLayout *topBarLayout_;
 
         // Shared settings object.
@@ -78,4 +81,6 @@ private:
 
         Toggle *trayToggle_;
         QComboBox *themeCombo_;
+
+        int sideMargin_ = 0;
 };

src/UserSettingsPage.cc

@@ -107,10 +107,10 @@ UserSettingsPage::UserSettingsPage(QSharedPointer<UserSettings> settings, QWidge
         general_->setFont(QFont("Open Sans Bold", 17));
         general_->setStyleSheet("color: #5d6565");
 
-        auto mainLayout_ = new QVBoxLayout;
+        mainLayout_ = new QVBoxLayout;
         mainLayout_->setSpacing(7);
         mainLayout_->setContentsMargins(
-          LayoutSideMargin, LayoutSideMargin / 6, LayoutSideMargin, LayoutSideMargin / 6);
+          sideMargin_, LayoutTopMargin, sideMargin_, LayoutBottomMargin);
         mainLayout_->addWidget(general_, 1, Qt::AlignLeft | Qt::AlignVCenter);
         mainLayout_->addWidget(new HorizontalLine(this));
         mainLayout_->addLayout(trayOptionLayout_);
@@ -143,3 +143,13 @@ UserSettingsPage::showEvent(QShowEvent *)
         themeCombo_->setCurrentIndex((settings_->theme() == "default" ? 0 : 1));
         trayToggle_->setState(!settings_->isTrayEnabled()); // Treats true as "off"
 }
+
+void
+UserSettingsPage::resizeEvent(QResizeEvent *event)
+{
+        sideMargin_ = width() * 0.2;
+        mainLayout_->setContentsMargins(
+          sideMargin_, LayoutTopMargin, sideMargin_, LayoutBottomMargin);
+
+        QWidget::resizeEvent(event);
+}