region: Improved selection handling on the input chooser

This makes the input chooser list always have a selected row and be
centered on it when the filter is applied.

https://bugzilla.gnome.org/show_bug.cgi?id=662489
This commit is contained in:
Rui Matos 2012-04-18 17:11:08 +02:00 committed by Bastien Nocera
parent 0fb0d6139b
commit e38f9acf39

View file

@ -360,12 +360,13 @@ static void
filter_changed (GtkBuilder *builder) filter_changed (GtkBuilder *builder)
{ {
GtkTreeModelFilter *filtered_model; GtkTreeModelFilter *filtered_model;
GtkTreeView *tree_view;
GtkTreeSelection *selection;
GtkTreeIter selected_iter;
GtkWidget *filter_entry; GtkWidget *filter_entry;
const gchar *pattern; const gchar *pattern;
gchar *upattern; gchar *upattern;
filtered_model = GTK_TREE_MODEL_FILTER (gtk_builder_get_object (builder,
"filtered_input_source_model"));
filter_entry = WID ("input_source_filter"); filter_entry = WID ("input_source_filter");
pattern = gtk_entry_get_text (GTK_ENTRY (filter_entry)); pattern = gtk_entry_get_text (GTK_ENTRY (filter_entry));
upattern = g_utf8_strup (pattern, -1); upattern = g_utf8_strup (pattern, -1);
@ -388,7 +389,24 @@ filter_changed (GtkBuilder *builder)
search_pattern_list = g_strsplit (upattern, " ", -1); search_pattern_list = g_strsplit (upattern, " ", -1);
g_free (upattern); g_free (upattern);
filtered_model = GTK_TREE_MODEL_FILTER (gtk_builder_get_object (builder, "filtered_input_source_model"));
gtk_tree_model_filter_refilter (filtered_model); gtk_tree_model_filter_refilter (filtered_model);
tree_view = GTK_TREE_VIEW (WID ("filtered_input_source_list"));
selection = gtk_tree_view_get_selection (tree_view);
if (gtk_tree_selection_get_selected (selection, NULL, &selected_iter))
{
GtkTreePath *path = gtk_tree_model_get_path (GTK_TREE_MODEL (filtered_model),
&selected_iter);
gtk_tree_view_scroll_to_cell (tree_view, path, NULL, TRUE, 0.5, 0.5);
gtk_tree_path_free (path);
}
else
{
GtkTreeIter iter;
if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (filtered_model), &iter))
gtk_tree_selection_select_iter (selection, &iter);
}
} }
static void static void
@ -464,6 +482,7 @@ input_chooser_new (GtkWindow *main_window)
GtkTreeSelection *selection; GtkTreeSelection *selection;
GtkListStore *model; GtkListStore *model;
GtkTreeModelFilter *filtered_model; GtkTreeModelFilter *filtered_model;
GtkTreeIter iter;
builder = gtk_builder_new (); builder = gtk_builder_new ();
gtk_builder_add_from_file (builder, gtk_builder_add_from_file (builder,
@ -493,17 +512,6 @@ input_chooser_new (GtkWindow *main_window)
g_signal_connect (G_OBJECT (filter_entry), "icon-release", g_signal_connect (G_OBJECT (filter_entry), "icon-release",
G_CALLBACK (filter_clear), NULL); G_CALLBACK (filter_clear), NULL);
selection =
gtk_tree_view_get_selection (GTK_TREE_VIEW (filtered_list));
g_signal_connect (G_OBJECT (selection), "changed",
G_CALLBACK (selection_changed), builder);
selection_changed (selection, builder);
g_signal_connect (G_OBJECT (filtered_list), "row-activated",
G_CALLBACK (row_activated), builder);
filtered_model = GTK_TREE_MODEL_FILTER (gtk_builder_get_object (builder, "filtered_input_source_model")); filtered_model = GTK_TREE_MODEL_FILTER (gtk_builder_get_object (builder, "filtered_input_source_model"));
model = GTK_LIST_STORE (gtk_builder_get_object (builder, "input_source_model")); model = GTK_LIST_STORE (gtk_builder_get_object (builder, "input_source_model"));
@ -514,6 +522,17 @@ input_chooser_new (GtkWindow *main_window)
filter_func, filter_func,
NULL, NULL); NULL, NULL);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (filtered_list));
g_signal_connect (G_OBJECT (selection), "changed",
G_CALLBACK (selection_changed), builder);
if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (filtered_model), &iter))
gtk_tree_selection_select_iter (selection, &iter);
g_signal_connect (G_OBJECT (filtered_list), "row-activated",
G_CALLBACK (row_activated), builder);
gtk_widget_grab_focus (filter_entry); gtk_widget_grab_focus (filter_entry);
gtk_widget_show (chooser); gtk_widget_show (chooser);