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gtk-demo: Use a progressbar in the words demo

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This looks better and a bit more polished.
This commit is contained in:
Matthias Clasen 2020-06-30 10:38:59 -04:00 committed by Benjamin Otte
parent 62c385a9dd
commit fc770a383a
1 changed files with 21 additions and 12 deletions
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33
demos/gtk-demo/listview_words.c
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@ -9,6 +9,7 @@
#include <gtk/gtk.h> #include <gtk/gtk.h>
static GtkWidget *window = NULL; static GtkWidget *window = NULL;
static GtkWidget *progress;
const char *factory_text = const char *factory_text =
"<?xml version='1.0' encoding='UTF-8'?>\n" "<?xml version='1.0' encoding='UTF-8'?>\n"
@ -31,18 +32,17 @@ const char *factory_text =
static void static void
update_title_cb (GtkFilterListModel *model) update_title_cb (GtkFilterListModel *model)
{ {
guint total;
char *title; char *title;
guint pending; guint pending;
total = g_list_model_get_n_items (gtk_filter_list_model_get_model (model));
pending = gtk_filter_list_model_get_pending (model); pending = gtk_filter_list_model_get_pending (model);
if (pending)
{ title = g_strdup_printf ("%u lines", g_list_model_get_n_items (G_LIST_MODEL (model)));
guint total = g_list_model_get_n_items (gtk_filter_list_model_get_model (model));
title = g_strdup_printf ("%u Words (%u%% done)", g_list_model_get_n_items (G_LIST_MODEL (model)), gtk_widget_set_visible (progress, pending != 0);
(total - pending) * 100 / total); gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (progress), (total - pending) / (double) total);
}
else
title = g_strdup_printf ("%u Words", g_list_model_get_n_items (G_LIST_MODEL (model)));
gtk_window_set_title (GTK_WINDOW (window), title); gtk_window_set_title (GTK_WINDOW (window), title);
g_free (title); g_free (title);
} }
@ -155,7 +155,7 @@ do_listview_words (GtkWidget *do_widget)
{ {
if (window == NULL) if (window == NULL)
{ {
GtkWidget *header, *listview, *sw, *vbox, *search_entry, *open_button; GtkWidget *header, *listview, *sw, *vbox, *search_entry, *open_button, *overlay;
GtkFilterListModel *filter_model; GtkFilterListModel *filter_model;
GtkNoSelection *selection; GtkNoSelection *selection;
GtkStringList *stringlist; GtkStringList *stringlist;
@ -205,8 +205,17 @@ do_listview_words (GtkWidget *do_widget)
g_object_bind_property (search_entry, "text", filter, "search", 0); g_object_bind_property (search_entry, "text", filter, "search", 0);
gtk_box_append (GTK_BOX (vbox), search_entry); gtk_box_append (GTK_BOX (vbox), search_entry);
overlay = gtk_overlay_new ();
gtk_box_append (GTK_BOX (vbox), overlay);
progress = gtk_progress_bar_new ();
gtk_widget_set_halign (progress, GTK_ALIGN_FILL);
gtk_widget_set_valign (progress, GTK_ALIGN_START);
gtk_widget_set_hexpand (progress, TRUE);
gtk_overlay_add_overlay (GTK_OVERLAY (overlay), progress);
sw = gtk_scrolled_window_new (); sw = gtk_scrolled_window_new ();
gtk_box_append (GTK_BOX (vbox), sw); gtk_overlay_set_child (GTK_OVERLAY (overlay), sw);
listview = gtk_list_view_new_with_factory ( listview = gtk_list_view_new_with_factory (
gtk_builder_list_item_factory_new_from_bytes (NULL, gtk_builder_list_item_factory_new_from_bytes (NULL,
@ -216,8 +225,8 @@ do_listview_words (GtkWidget *do_widget)
gtk_list_view_set_model (GTK_LIST_VIEW (listview), G_LIST_MODEL (selection)); gtk_list_view_set_model (GTK_LIST_VIEW (listview), G_LIST_MODEL (selection));
g_object_unref (selection); g_object_unref (selection);
g_signal_connect (filter_model, "items-changed", G_CALLBACK (update_title_cb), NULL); g_signal_connect (filter_model, "items-changed", G_CALLBACK (update_title_cb), progress);
g_signal_connect (filter_model, "notify::pending", G_CALLBACK (update_title_cb), NULL); g_signal_connect (filter_model, "notify::pending", G_CALLBACK (update_title_cb), progress);
update_title_cb (filter_model); update_title_cb (filter_model);
g_object_unref (filter_model); g_object_unref (filter_model);