[gtk/matthiasc/for-master: 6/10] gtk-demo: Ellipsize columns in the characters demo

[Matthias Clasen <matthiasc src gnome org>]

commit e7aa10342ba748a8845841c7b284b8ab746fe3d1
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Oct 8 15:55:22 2020 -0400

    gtk-demo: Ellipsize columns in the characters demo
    
    some of the columns have uneven widths, causing them
    to bounce around as you scroll. Ellipsize them and
    give them a fixed with.

 demos/gtk-demo/listview_ucd.c | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)
---
diff --git a/demos/gtk-demo/listview_ucd.c b/demos/gtk-demo/listview_ucd.c
index 4331d646fb..d6711a1aec 100644
--- a/demos/gtk-demo/listview_ucd.c
+++ b/demos/gtk-demo/listview_ucd.c
@@ -116,6 +116,18 @@ setup_label (GtkSignalListItemFactory *factory,
   gtk_list_item_set_child (GTK_LIST_ITEM (listitem), label);
 }
 
+static void
+setup_ellipsizing_label (GtkSignalListItemFactory *factory,
+                         GObject                  *listitem)
+{
+  GtkWidget *label;
+  label = gtk_label_new ("");
+  gtk_label_set_xalign (GTK_LABEL (label), 0);
+  gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
+  gtk_label_set_width_chars (GTK_LABEL (label), 20);
+  gtk_list_item_set_child (GTK_LIST_ITEM (listitem), label);
+}
+
 static void
 bind_codepoint (GtkSignalListItemFactory *factory,
                 GObject                  *listitem)
@@ -279,21 +291,21 @@ create_ucd_view (GtkWidget *label)
   gtk_column_view_append_column (GTK_COLUMN_VIEW (cv), column);
 
   factory = gtk_signal_list_item_factory_new ();
-  g_signal_connect (factory, "setup", G_CALLBACK (setup_label), NULL);
+  g_signal_connect (factory, "setup", G_CALLBACK (setup_ellipsizing_label), NULL);
   g_signal_connect (factory, "bind", G_CALLBACK (bind_name), NULL);
   column = gtk_column_view_column_new ("Name", factory);
   gtk_column_view_column_set_resizable (column, TRUE);
   gtk_column_view_append_column (GTK_COLUMN_VIEW (cv), column);
 
   factory = gtk_signal_list_item_factory_new ();
-  g_signal_connect (factory, "setup", G_CALLBACK (setup_label), NULL);
+  g_signal_connect (factory, "setup", G_CALLBACK (setup_ellipsizing_label), NULL);
   g_signal_connect (factory, "bind", G_CALLBACK (bind_type), NULL);
   column = gtk_column_view_column_new ("Type", factory);
   gtk_column_view_column_set_resizable (column, TRUE);
   gtk_column_view_append_column (GTK_COLUMN_VIEW (cv), column);
 
   factory = gtk_signal_list_item_factory_new ();
-  g_signal_connect (factory, "setup", G_CALLBACK (setup_label), NULL);
+  g_signal_connect (factory, "setup", G_CALLBACK (setup_ellipsizing_label), NULL);
   g_signal_connect (factory, "bind", G_CALLBACK (bind_break_type), NULL);
   column = gtk_column_view_column_new ("Break Type", factory);
   gtk_column_view_column_set_resizable (column, TRUE);