fix: Avoid duplicate scale in settings dialog (#5069)

CHANGELOG.md

@@ -108,6 +108,7 @@
 - Dev: Refactor Args to be less of a singleton. (#5041)
 - Dev: Channels without any animated elements on screen will skip updates from the GIF timer. (#5042, #5043, #5045)
 - Dev: Autogenerate docs/plugin-meta.lua. (#5055)
+- Dev: Removed duplicate scale in settings dialog. (#5069)
 - Dev: Fix `NotebookTab` emitting updates for every message. (#5068)
 
 ## 2.4.6

src/widgets/dialogs/SettingsDialog.cpp

@@ -52,7 +52,6 @@ SettingsDialog::SettingsDialog(QWidget *parent)
     this->initUi();
     this->addTabs();
     this->overrideBackgroundColor_ = QColor("#111111");
-    this->scaleChangedEvent(this->scale());  // execute twice to width of item
 
     this->addShortcuts();
     this->signalHolder_.managedConnect(getApp()->hotkeys->onItemsUpdated,
@@ -128,6 +127,8 @@ void SettingsDialog::initUi()
         .setLayoutType<QVBoxLayout>()
         .withoutMargin()
         .assign(&this->ui_.tabContainer);
+    this->ui_.tabContainerContainer->setFixedWidth(
+        static_cast<int>(150 * this->dpi_));
 
     // right side (pages)
     centerBox.emplace<QStackedLayout>()
@@ -257,6 +258,7 @@ void SettingsDialog::addTab(std::function<SettingsPage *()> page,
                             SettingsTabId id, Qt::Alignment alignment)
 {
     auto tab = new SettingsDialogTab(this, std::move(page), name, iconPath, id);
+    tab->setFixedHeight(static_cast<int>(30 * this->dpi_));
 
     this->ui_.tabContainer->addWidget(tab, 0, alignment);
     this->tabs_.push_back(tab);
@@ -390,9 +392,13 @@ void SettingsDialog::scaleChangedEvent(float newDpi)
     this->setStyleSheet(styleSheet);
 
     if (this->ui_.tabContainerContainer)
+    {
         this->ui_.tabContainerContainer->setFixedWidth(int(150 * newDpi));
     }
 
+    this->dpi_ = newDpi;
+}
+
 void SettingsDialog::themeChangedEvent()
 {
     BaseWindow::themeChangedEvent();

src/widgets/dialogs/SettingsDialog.hpp

@@ -77,6 +77,7 @@ private:
     std::vector<SettingsDialogTab *> tabs_;
     SettingsDialogTab *selectedTab_{};
     SettingsDialogTab *lastSelectedByUser_{};
+    float dpi_ = 1.0F;
 
     friend class SettingsDialogTab;
 };