SearchEnginesDialog: Set sensible size for columns

src/lib/opensearch/searchenginesdialog.cpp

@@ -229,6 +229,24 @@ void SearchEnginesDialog::reloadEngines()
     }
 }
 
+void SearchEnginesDialog::showEvent(QShowEvent *e)
+{
+    QDialog::showEvent(e);
+    resizeViewHeader();
+}
+
+void SearchEnginesDialog::resizeEvent(QResizeEvent *e)
+{
+    QDialog::resizeEvent(e);
+    resizeViewHeader();
+}
+
+void SearchEnginesDialog::resizeViewHeader()
+{
+    const int headerWidth = ui->treeWidget->header()->width();
+    ui->treeWidget->header()->resizeSection(0, headerWidth - headerWidth / 4);
+}
+
 void SearchEnginesDialog::accept()
 {
     if (ui->treeWidget->topLevelItemCount() < 1) {

src/lib/opensearch/searchenginesdialog.h

@@ -63,6 +63,10 @@ private:
 
     void reloadEngines();
 
+    void showEvent(QShowEvent *e) override;
+    void resizeEvent(QResizeEvent *e) override;
+    void resizeViewHeader();
+
     Ui::SearchEnginesDialog* ui;
     SearchEnginesManager* m_manager;
 };

src/lib/opensearch/searchenginesdialog.ui

@@ -79,7 +79,7 @@
       <bool>true</bool>
      </property>
      <attribute name="headerDefaultSectionSize">
-      <number>200</number>
+      <number>0</number>
      </attribute>
      <column>
       <property name="text">