tooltip: Prevent too-wide tooltip windows

Set the label to expand, so it actually fills
the width that we allocated for it, instead
of shrinking back to the minimum width for
its height.

Fixes: #5521

diff --git a/gtk/ui/gtktooltipwindow.ui b/gtk/ui/gtktooltipwindow.ui
index 2cecd58c73c49200a7ac03cd0551c72f1eb8f04b..d0fc9bc1c6e1b330b5b6099a00efd71afe420250 100644 (file)
--- a/gtk/ui/gtktooltipwindow.ui
+++ b/gtk/ui/gtktooltipwindow.ui
@@ -13,6 +13,7 @@
         </child>
         <child>
           <object class="GtkLabel" id="label">
+            <property name="hexpand">1</property>
             <property name="wrap">1</property>
             <property name="max-width-chars">50</property>
           </object>