Use reasonable values for the spinbox.

apps/opencs/view/settings/dialog.cpp

@@ -302,6 +302,8 @@ void CSVSettings::Dialog::buildPages()
     // subview
     if(model()->hasSettingDefinitions("SubView/minimum width"))
         sbMinSubViewWidth->setValue(model()->settingValue("SubView/minimum width").toInt());
+    else
+        sbMinSubViewWidth->setValue(325);
 
     SettingWindow::createPages ();
 

files/ui/settingstab.ui

@@ -146,6 +146,12 @@
        <property name="alignment">
         <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
        </property>
+       <property name="minimum">
+        <number>50</number>
+       </property>
+       <property name="maximum">
+        <number>20000</number>
+       </property>
        <property name="singleStep">
         <number>5</number>
        </property>