120 lines
4.1 KiB
C
120 lines
4.1 KiB
C
/* Lists/Words
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*
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* This demo shows filtering a long list - of words.
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*
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* You should have the file `/usr/share/dict/words` installed for
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* this demo to work.
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*/
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#include <gtk/gtk.h>
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static GtkWidget *window = NULL;
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const char *factory_text =
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"<?xml version='1.0' encoding='UTF-8'?>\n"
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"<interface>\n"
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" <template class='GtkListItem'>\n"
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" <property name='child'>\n"
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" <object class='GtkLabel'>\n"
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" <binding name='label'>\n"
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" <lookup name='string' type='GtkStringObject'>\n"
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" <lookup name='item'>GtkListItem</lookup>\n"
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" </lookup>\n"
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" </binding>\n"
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" </object>\n"
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" </property>\n"
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" </template>\n"
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"</interface>\n";
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static void
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update_title_cb (GtkFilterListModel *model)
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{
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char *title;
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guint pending;
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pending = gtk_filter_list_model_get_pending (model);
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if (pending)
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{
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guint total = g_list_model_get_n_items (gtk_filter_list_model_get_model (model));
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title = g_strdup_printf ("%u Words (%u%% done)", g_list_model_get_n_items (G_LIST_MODEL (model)),
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(total - pending) * 100 / total);
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}
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else
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title = g_strdup_printf ("%u Words\n", g_list_model_get_n_items (G_LIST_MODEL (model)));
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gtk_window_set_title (GTK_WINDOW (window), title);
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g_free (title);
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}
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GtkWidget *
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do_listview_words (GtkWidget *do_widget)
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{
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if (window == NULL)
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{
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GtkWidget *header, *listview, *sw, *vbox, *search_entry;
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GtkFilterListModel *filter_model;
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GtkStringList *stringlist;
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GtkFilter *filter;
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char **words;
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char *usr_dict_words;
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GtkExpression *expression;
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if (g_file_get_contents ("/usr/share/dict/words", &usr_dict_words, NULL, NULL))
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{
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words = g_strsplit (usr_dict_words, "\n", -1);
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g_free (usr_dict_words);
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}
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else
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{
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words = g_strsplit ("lorem ipsum dolor sit amet consectetur adipisci elit sed eiusmod tempor incidunt labore et dolore magna aliqua ut enim ad minim veniam quis nostrud exercitation ullamco laboris nisi ut aliquid ex ea commodi consequat", " ", -1);
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}
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stringlist = gtk_string_list_new ((const char **) words);
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g_strfreev (words);
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filter = gtk_string_filter_new ();
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expression = gtk_property_expression_new (GTK_TYPE_STRING_OBJECT, NULL, "string");
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gtk_string_filter_set_expression (GTK_STRING_FILTER (filter), expression);
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gtk_expression_unref (expression);
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filter_model = gtk_filter_list_model_new (G_LIST_MODEL (stringlist), filter);
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gtk_filter_list_model_set_incremental (filter_model, TRUE);
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window = gtk_window_new ();
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gtk_window_set_title (GTK_WINDOW (window), "Words");
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header = gtk_header_bar_new ();
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gtk_header_bar_set_show_title_buttons (GTK_HEADER_BAR (header), TRUE);
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gtk_window_set_titlebar (GTK_WINDOW (window), header);
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gtk_window_set_display (GTK_WINDOW (window),
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gtk_widget_get_display (do_widget));
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g_object_add_weak_pointer (G_OBJECT (window), (gpointer*)&window);
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
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gtk_window_set_child (GTK_WINDOW (window), vbox);
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search_entry = gtk_search_entry_new ();
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g_object_bind_property (search_entry, "text", filter, "search", 0);
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gtk_box_append (GTK_BOX (vbox), search_entry);
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sw = gtk_scrolled_window_new ();
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gtk_box_append (GTK_BOX (vbox), sw);
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listview = gtk_list_view_new_with_factory (
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gtk_builder_list_item_factory_new_from_bytes (NULL,
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g_bytes_new_static (factory_text, strlen (factory_text))));
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gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), listview);
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gtk_list_view_set_model (GTK_LIST_VIEW (listview), G_LIST_MODEL (filter_model));
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g_signal_connect (filter_model, "items-changed", G_CALLBACK (update_title_cb), NULL);
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g_signal_connect (filter_model, "notify::pending", G_CALLBACK (update_title_cb), NULL);
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update_title_cb (filter_model);
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g_object_unref (filter_model);
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}
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if (!gtk_widget_get_visible (window))
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gtk_widget_show (window);
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else
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gtk_window_destroy (GTK_WINDOW (window));
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return window;
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}
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