Help: Store and restore size of TopicChooser

The default size seems too small to use

Change-Id: Ia8284e1e8b97ee7c76dc4d1ce807fec017ff10dd
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/coreplugin/dialogs/settingsdialog.cpp

@@ -765,16 +765,14 @@ bool SettingsDialog::execDialog()
         m_running = true;
         m_finished = false;
         static const QLatin1String kPreferenceDialogSize("Core/PreferenceDialogSize");
-        if (ICore::settings()->contains(kPreferenceDialogSize))
-            resize(ICore::settings()->value(kPreferenceDialogSize).toSize());
-        else
-            resize(kInitialWidth, kInitialHeight);
+        const QSize initialSize(kInitialWidth, kInitialHeight);
+        resize(ICore::settings()->value(kPreferenceDialogSize, initialSize).toSize());
         exec();
         m_running = false;
         m_instance = nullptr;
         ICore::settings()->setValueWithDefault(kPreferenceDialogSize,
                                                size(),
-                                               QSize(kInitialWidth, kInitialHeight));
+                                               initialSize);
         // make sure that the current "single" instance is deleted
         // we can't delete right away, since we still access the m_applied member
         deleteLater();

src/shared/help/topicchooser.cpp

@@ -9,6 +9,8 @@
 #include <utils/layoutbuilder.h>
 #include <utils/utilstr.h>
 
+#include <coreplugin/icore.h>
+
 #include <QMap>
 #include <QUrl>
 
@@ -18,12 +20,18 @@
 #include <QStandardItemModel>
 #include <QSortFilterProxyModel>
 
+const int kInitialWidth = 400;
+const int kInitialHeight = 220;
+const char kPreferenceDialogSize[] = "Core/TopicChooserSize";
+
 TopicChooser::TopicChooser(QWidget *parent, const QString &keyword,
         const QMultiMap<QString, QUrl> &links)
     : QDialog(parent)
     , m_filterModel(new QSortFilterProxyModel(this))
 {
-    resize(400, 220);
+    const QSize initialSize(kInitialWidth, kInitialHeight);
+    resize(Core::ICore::settings()->value(kPreferenceDialogSize, initialSize).toSize());
+
     setWindowTitle(::Help::Tr::tr("Choose Topic"));
 
     QStandardItemModel *model = new QStandardItemModel(this);
@@ -70,6 +78,13 @@ TopicChooser::TopicChooser(QWidget *parent, const QString &keyword,
             this, &TopicChooser::setFilter);
 }
 
+TopicChooser::~TopicChooser()
+{
+    Core::ICore::settings()->setValueWithDefault(kPreferenceDialogSize,
+                                           size(),
+                                           QSize(kInitialWidth, kInitialHeight));
+}
+
 QUrl TopicChooser::link() const
 {
     if (m_activedIndex.isValid())

src/shared/help/topicchooser.h

@@ -24,6 +24,7 @@ class TopicChooser : public QDialog
 public:
     TopicChooser(QWidget *parent, const QString &keyword,
         const QMultiMap<QString, QUrl> &links);
+    ~TopicChooser() override;
 
     QUrl link() const;