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gtk-demo: Work harder to filter the tree

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Arrange for an item to be visible if it either
matches the filter or has children that do.
This commit is contained in:
Matthias Clasen 2020-07-12 18:24:04 -04:00
parent 032302c358
commit b4096cee64
1 changed files with 41 additions and 14 deletions
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55
demos/gtk-demo/main.c
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@ -966,21 +966,9 @@ selection_cb (GtkSingleSelection *sel,
} }
static gboolean static gboolean
demo_filter_by_name (GtkTreeListRow *row, filter_demo (GtkDemo *demo)
GtkFilterListModel *model)
{ {
GtkDemo *demo; int i;
guint i;
/* Show all items if search is empty */
if (!search_needle || !search_needle[0] || !*search_needle[0])
return TRUE;
g_assert (GTK_IS_TREE_LIST_ROW (row));
g_assert (GTK_IS_FILTER_LIST_MODEL (model));
demo = gtk_tree_list_row_get_item (row);
g_assert (GTK_IS_DEMO (demo));
/* Show only if the name maches every needle */ /* Show only if the name maches every needle */
for (i = 0; search_needle[i]; i++) for (i = 0; search_needle[i]; i++)
@ -997,6 +985,45 @@ demo_filter_by_name (GtkTreeListRow *row,
return TRUE; return TRUE;
} }
static gboolean
demo_filter_by_name (GtkTreeListRow *row,
GtkFilterListModel *model)
{
GListModel *children;
GtkDemo *demo;
guint i, n;
/* Show all items if search is empty */
if (!search_needle || !search_needle[0] || !*search_needle[0])
return TRUE;
g_assert (GTK_IS_TREE_LIST_ROW (row));
g_assert (GTK_IS_FILTER_LIST_MODEL (model));
children = gtk_tree_list_row_get_children (row);
if (children)
{
n = g_list_model_get_n_items (children);
for (i = 0; i < n; i++)
{
demo = g_list_model_get_item (children, i);
g_assert (GTK_IS_DEMO (demo));
if (filter_demo (demo))
{
g_object_unref (demo);
return TRUE;
}
g_object_unref (demo);
}
}
demo = gtk_tree_list_row_get_item (row);
g_assert (GTK_IS_DEMO (demo));
return filter_demo (demo);
}
static void static void
demo_search_changed_cb (GtkSearchEntry *entry, demo_search_changed_cb (GtkSearchEntry *entry,
GtkFilter *filter) GtkFilter *filter)