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gtk-demo: Add a spinner the colors demo

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Add a spinner that shows when incremental sorting is
going on. This is useful for evaluating interactivity.
This commit is contained in:
Matthias Clasen
2020-07-11 13:14:18 -04:00
parent 75b5d35a25
commit 5c4d625575
1 changed files with 63 additions and 3 deletions
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66
demos/gtk-demo/listview_colors.c
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@@ -676,7 +676,7 @@ create_color_grid (void)
gtk_grid_view_set_max_columns (GTK_GRID_VIEW (gridview), 24);
gtk_grid_view_set_enable_rubberband (GTK_GRID_VIEW (gridview), TRUE);
model = G_LIST_MODEL (gtk_sor5_list_model_new (gtk_color_list_new (0), NULL));
model = G_LIST_MODEL (gtk_sor3_list_model_new (gtk_color_list_new (0), NULL));
selection = G_LIST_MODEL (gtk_multi_selection_new (model));
gtk_grid_view_set_model (GTK_GRID_VIEW (gridview), selection);
@@ -883,6 +883,53 @@ compare_blue (gconstpointer a,
return GTK_ORDERING_EQUAL;
}
static void
clear_timeout (gpointer data)
{
guint timeout = GPOINTER_TO_UINT (data);
if (timeout)
g_source_remove (timeout);
}
static gboolean
start_reveal (gpointer data)
{
gtk_revealer_set_transition_type (GTK_REVEALER (data), GTK_REVEALER_TRANSITION_TYPE_CROSSFADE);
gtk_revealer_set_reveal_child (GTK_REVEALER (data), TRUE);
g_object_set_data (G_OBJECT (data), "timeout", NULL);
return G_SOURCE_REMOVE;
}
static void
sorting_changed (GObject *model,
GParamSpec *pspec,
GtkRevealer *revealer)
{
gboolean sorting;
g_object_get (model, "sorting", &sorting, NULL);
if (sorting)
{
guint timeout;
timeout = g_timeout_add (2000, start_reveal, revealer);
g_object_set_data_full (G_OBJECT (revealer), "timeout",
GUINT_TO_POINTER (timeout),
clear_timeout);
}
else
{
g_object_set_data (G_OBJECT (revealer), "timeout", NULL);
gtk_revealer_set_transition_type (GTK_REVEALER (revealer), GTK_REVEALER_TRANSITION_TYPE_NONE);
gtk_revealer_set_reveal_child (GTK_REVEALER (revealer), FALSE);
}
}
static GtkWidget *window = NULL;
GtkWidget *
@@ -912,6 +959,8 @@ do_listview_colors (GtkWidget *do_widget)
GtkWidget *selection_info_toggle;
GtkWidget *selection_info_revealer;
GtkCssProvider *provider;
GtkWidget *revealer;
GtkWidget *spinner;
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_resource (provider, "/listview_colors/listview_colors.css");
@@ -1012,7 +1061,7 @@ do_listview_colors (GtkWidget *do_widget)
button = gtk_button_new_with_mnemonic ("_Refill");
g_signal_connect (button, "clicked",
G_CALLBACK (refill),
gtk_sor5_list_model_get_model (GTK_SOR5_LIST_MODEL (model)));
gtk_sor3_list_model_get_model (GTK_SOR3_LIST_MODEL (model)));
gtk_header_bar_pack_start (GTK_HEADER_BAR (header), button);
@@ -1035,7 +1084,7 @@ do_listview_colors (GtkWidget *do_widget)
gtk_drop_down_set_from_strings (GTK_DROP_DOWN (dropdown), (const char *[]) { "8", "64", "512", "4096", "32768", "262144", "2097152", "16777216", NULL });
g_signal_connect (dropdown, "notify::selected",
G_CALLBACK (limit_changed_cb),
gtk_sor5_list_model_get_model (GTK_SOR5_LIST_MODEL (model)));
gtk_sor3_list_model_get_model (GTK_SOR3_LIST_MODEL (model)));
g_signal_connect (dropdown, "notify::selected",
G_CALLBACK (limit_changed_cb2),
label);
@@ -1047,6 +1096,17 @@ do_listview_colors (GtkWidget *do_widget)
gtk_drop_down_set_selected (GTK_DROP_DOWN (dropdown), 3); /* 4096 */
gtk_header_bar_pack_start (GTK_HEADER_BAR (header), dropdown);
revealer = gtk_revealer_new ();
gtk_revealer_set_transition_type (GTK_REVEALER (revealer), GTK_REVEALER_TRANSITION_TYPE_CROSSFADE);
gtk_revealer_set_transition_duration (GTK_REVEALER (revealer), 2000);
spinner = gtk_spinner_new ();
gtk_revealer_set_child (GTK_REVEALER (revealer), spinner);
gtk_header_bar_pack_end (GTK_HEADER_BAR (header), revealer);
g_signal_connect (model, "notify::sorting", G_CALLBACK (sorting_changed), revealer);
g_object_bind_property (model, "sorting", spinner, "spinning", G_BINDING_DEFAULT);
sorters = g_list_store_new (GTK_TYPE_SORTER);
/* An empty multisorter doesn't do any sorting and the sortmodel is