Save UI Theme Dialog size

PR #18709.

src/gui/uithemedialog.cpp

@@ -50,6 +50,8 @@
 
 #include "ui_uithemedialog.h"
 
+#define SETTINGS_KEY(name) u"GUI/UIThemeDialog/" name
+
 namespace
 {
     Path userConfigPath()
@@ -215,15 +217,20 @@ private:
 UIThemeDialog::UIThemeDialog(QWidget *parent)
     : QDialog(parent)
     , m_ui {new Ui::UIThemeDialog}
+    , m_storeDialogSize {SETTINGS_KEY(u"Size"_qs)}
 {
     m_ui->setupUi(this);
 
     loadColors();
     loadIcons();
+
+    if (const QSize dialogSize = m_storeDialogSize; dialogSize.isValid())
+        resize(dialogSize);
 }
 
 UIThemeDialog::~UIThemeDialog()
 {
+    m_storeDialogSize = size();
     delete m_ui;
 }
 

src/gui/uithemedialog.h

@@ -32,6 +32,7 @@
 #include <QHash>
 #include <QString>
 
+#include "base/settingvalue.h"
 #include "uithemesource.h"
 
 namespace Ui
@@ -60,6 +61,7 @@ private:
     bool storeIcons();
 
     Ui::UIThemeDialog *m_ui;
+    SettingValue<QSize> m_storeDialogSize;
 
     DefaultThemeSource m_defaultThemeSource;
     QHash<QString, ColorWidget *> m_lightColorWidgets;