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testsections: A testbed for sections
Add a simple test client that lets us compare and explore the section handling in listview and gridview.
This commit is contained in:
Matthias Clasen
parent
9880f9d16a
commit
495411e16d
@ -1,5 +1,6 @@
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gtk_tests = [
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# testname, optional extra sources
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['testsections'],
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['testfilelauncher'],
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['input'],
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['testpopup'],
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389
tests/testsections.c
Normal file
389
tests/testsections.c
Normal file
@ -0,0 +1,389 @@
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#include <gtk/gtk.h>
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static void
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setup_item (GtkSignalListItemFactory *self,
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GObject *object)
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{
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GtkListItem *list_item = GTK_LIST_ITEM (object);
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GtkWidget *child = gtk_label_new ("");
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gtk_label_set_xalign (GTK_LABEL (child), 0);
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gtk_list_item_set_child (list_item, child);
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}
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static void
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bind_item (GtkSignalListItemFactory *self,
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GObject *object)
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{
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GtkListItem *list_item = GTK_LIST_ITEM (object);
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GObject *item = gtk_list_item_get_item (list_item);
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GtkWidget *child = gtk_list_item_get_child (list_item);
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gtk_label_set_label (GTK_LABEL (child),
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gtk_string_object_get_string (GTK_STRING_OBJECT (item)));
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}
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static char *
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reverse_word (const char *word)
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{
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GString *s = g_string_new ("");
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const char *p;
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gunichar c;
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gboolean capitalize;
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capitalize = g_unichar_isupper (g_utf8_get_char (word));
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p = word + strlen (word);
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while ((p = g_utf8_find_prev_char (word, p)) != NULL)
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{
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c = g_utf8_get_char (p);
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if (s->len == 0 && capitalize)
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c = g_unichar_toupper (c);
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else
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c = g_unichar_tolower (c);
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g_string_append_unichar (s, c);
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}
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return g_string_free (s, FALSE);
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}
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static void
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bind_item_reverse (GtkSignalListItemFactory *self,
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GObject *object)
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{
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GtkListItem *list_item = GTK_LIST_ITEM (object);
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GObject *item = gtk_list_item_get_item (list_item);
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GtkWidget *child = gtk_list_item_get_child (list_item);
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char *word;
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word = reverse_word (gtk_string_object_get_string (GTK_STRING_OBJECT (item)));
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gtk_label_set_label (GTK_LABEL (child), word);
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g_free (word);
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}
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static void
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setup_header (GtkSignalListItemFactory *self,
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GObject *object)
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{
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GtkListHeader *header = GTK_LIST_HEADER (object);
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GtkWidget *child = gtk_label_new ("");
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gtk_label_set_xalign (GTK_LABEL (child), 0);
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gtk_list_header_set_child (header, child);
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}
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static char *
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get_first (GObject *this)
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{
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const char *s = gtk_string_object_get_string (GTK_STRING_OBJECT (this));
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char buffer[6] = { 0, };
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g_unichar_to_utf8 (g_unichar_toupper (g_utf8_get_char (s)), buffer);
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return g_strdup (buffer);
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}
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static void
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bind_header (GtkSignalListItemFactory *self,
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GObject *object)
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{
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GtkListHeader *header = GTK_LIST_HEADER (object);
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GObject *item = gtk_list_header_get_item (header);
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GtkWidget *child = gtk_list_header_get_child (header);
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PangoAttrList *attrs;
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char *string;
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string = get_first (item);
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gtk_label_set_label (GTK_LABEL (child), string);
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attrs = pango_attr_list_new ();
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pango_attr_list_insert (attrs, pango_attr_scale_new (PANGO_SCALE_X_LARGE));
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pango_attr_list_insert (attrs, pango_attr_weight_new (PANGO_WEIGHT_BOLD));
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gtk_label_set_attributes (GTK_LABEL (child), attrs);
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pango_attr_list_unref (attrs);
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g_free (string);
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}
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static const char *strings[] = {
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"Alpha", "Andromeda", "Anaphylaxis", "Anaheim", "Beer", "Branch", "Botulism", "Banana",
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"Bee", "Crane", "Caldera", "Copper", "Crowd", "Dora", "Dolphin", "Dam", "Ding",
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NULL,
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};
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gboolean done_reading = FALSE;
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static gboolean
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dump_sections (gpointer data)
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{
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GtkSectionModel *model = data;
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if (!done_reading)
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return G_SOURCE_CONTINUE;
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for (unsigned int i = 0; i < g_list_model_get_n_items (G_LIST_MODEL (model)); i++)
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{
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unsigned int s, e;
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gtk_section_model_get_section (model, i, &s, &e);
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g_print ("(%u %u)\n", s, e - 1);
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i = e;
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}
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return G_SOURCE_REMOVE;
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}
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static void
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read_lines_cb (GObject *object,
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GAsyncResult *result,
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gpointer data)
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{
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GBufferedInputStream *stream = G_BUFFERED_INPUT_STREAM (object);
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GtkStringList *stringlist = data;
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GError *error = NULL;
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gsize size;
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GPtrArray *lines;
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gssize n_filled;
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const char *buffer, *newline;
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n_filled = g_buffered_input_stream_fill_finish (stream, result, &error);
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if (n_filled < 0)
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{
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g_print ("Could not read data: %s\n", error->message);
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g_clear_error (&error);
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g_object_unref (stringlist);
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return;
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}
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buffer = g_buffered_input_stream_peek_buffer (stream, &size);
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if (n_filled == 0)
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{
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if (size)
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gtk_string_list_take (stringlist, g_utf8_make_valid (buffer, size));
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g_object_unref (stringlist);
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done_reading = TRUE;
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return;
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}
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lines = NULL;
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while ((newline = memchr (buffer, '\n', size)))
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{
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if (newline > buffer)
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{
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if (lines == NULL)
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lines = g_ptr_array_new_with_free_func (g_free);
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g_ptr_array_add (lines, g_utf8_make_valid (buffer, newline - buffer));
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}
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if (g_input_stream_skip (G_INPUT_STREAM (stream), newline - buffer + 1, NULL, &error) < 0)
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{
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g_clear_error (&error);
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break;
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}
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buffer = g_buffered_input_stream_peek_buffer (stream, &size);
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}
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if (lines == NULL)
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{
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g_buffered_input_stream_set_buffer_size (stream, g_buffered_input_stream_get_buffer_size (stream) + 4096);
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}
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else
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{
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g_ptr_array_add (lines, NULL);
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gtk_string_list_splice (stringlist, g_list_model_get_n_items (G_LIST_MODEL (stringlist)), 0, (const char **) lines->pdata);
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g_ptr_array_free (lines, TRUE);
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}
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g_buffered_input_stream_fill_async (stream, -1, G_PRIORITY_HIGH_IDLE, NULL, read_lines_cb, data);
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}
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static void
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file_is_open_cb (GObject *file,
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GAsyncResult *result,
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gpointer data)
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{
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GError *error = NULL;
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GFileInputStream *file_stream;
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GBufferedInputStream *stream;
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file_stream = g_file_read_finish (G_FILE (file), result, &error);
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if (file_stream == NULL)
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{
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g_print ("Could not open file: %s\n", error->message);
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g_error_free (error);
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g_object_unref (data);
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return;
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}
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stream = G_BUFFERED_INPUT_STREAM (g_buffered_input_stream_new (G_INPUT_STREAM (file_stream)));
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g_buffered_input_stream_fill_async (stream, -1, G_PRIORITY_HIGH_IDLE, NULL, read_lines_cb, data);
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g_object_unref (stream);
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}
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static void
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load_file (GtkStringList *list,
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GFile *file)
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{
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gtk_string_list_splice (list, 0, g_list_model_get_n_items (G_LIST_MODEL (list)), NULL);
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g_file_read_async (file, G_PRIORITY_HIGH_IDLE, NULL, file_is_open_cb, g_object_ref (list));
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}
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static void
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toggle_cb (GtkCheckButton *check, GtkWidget *list)
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{
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GtkListItemFactory *header_factory = NULL;
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if (gtk_check_button_get_active (check))
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{
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header_factory = gtk_signal_list_item_factory_new ();
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g_signal_connect (header_factory, "setup", G_CALLBACK (setup_header), NULL);
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g_signal_connect (header_factory, "bind", G_CALLBACK (bind_header), NULL);
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}
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g_object_set (list, "header-factory", header_factory, NULL);
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g_clear_object (&header_factory);
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}
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static void
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value_changed_cb (GtkAdjustment *adj, gpointer data)
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{
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g_print ("horizontal adjustment changed to %f\n", gtk_adjustment_get_value (adj));
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}
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int
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main (int argc, char *argv[])
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{
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GtkWidget *window;
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GtkWidget *sw;
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GtkWidget *lv;
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GtkWidget *gv;
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GtkWidget *cv;
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GtkWidget *header;
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GtkWidget *toggle;
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GtkWidget *switcher;
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GtkWidget *stack;
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GtkListItemFactory *factory;
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GtkExpression *expression;
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GtkSortListModel *sortmodel;
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GtkSelectionModel *selection;
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GtkStringList *stringlist;
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GtkAdjustment *adj;
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GtkColumnViewColumn *column;
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stringlist = gtk_string_list_new (NULL);
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if (argc > 1)
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{
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GFile *file = g_file_new_for_commandline_arg (argv[1]);
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load_file (stringlist, file);
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g_object_unref (file);
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}
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else
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{
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for (int i = 0; strings[i]; i++)
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gtk_string_list_append (stringlist, strings[i]);
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done_reading = TRUE;
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}
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gtk_init ();
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window = gtk_window_new ();
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gtk_window_set_default_size (GTK_WINDOW (window), 800, 600);
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header = gtk_header_bar_new ();
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gtk_window_set_titlebar (GTK_WINDOW (window), header);
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toggle = gtk_check_button_new ();
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gtk_widget_set_valign (toggle, GTK_ALIGN_CENTER);
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gtk_header_bar_pack_start (GTK_HEADER_BAR (header), toggle);
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stack = gtk_stack_new ();
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gtk_window_set_child (GTK_WINDOW (window), stack);
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switcher = gtk_stack_switcher_new ();
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gtk_header_bar_set_title_widget (GTK_HEADER_BAR (header), switcher);
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gtk_stack_switcher_set_stack (GTK_STACK_SWITCHER (switcher), GTK_STACK (stack));
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expression = gtk_property_expression_new (GTK_TYPE_STRING_OBJECT, NULL, "string");
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sortmodel = gtk_sort_list_model_new (G_LIST_MODEL (stringlist),
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GTK_SORTER (gtk_string_sorter_new (expression)));
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expression = gtk_cclosure_expression_new (G_TYPE_STRING, NULL, 0, NULL, (GCallback) get_first, NULL, NULL);
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gtk_sort_list_model_set_section_sorter (sortmodel, GTK_SORTER (gtk_string_sorter_new (expression)));
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selection = GTK_SELECTION_MODEL (gtk_no_selection_new (G_LIST_MODEL (sortmodel)));
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/* list */
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sw = gtk_scrolled_window_new ();
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gtk_stack_add_titled (GTK_STACK (stack), sw, "list", "List");
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factory = gtk_signal_list_item_factory_new ();
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g_signal_connect (factory, "setup", G_CALLBACK (setup_item), NULL);
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g_signal_connect (factory, "bind", G_CALLBACK (bind_item), NULL);
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lv = gtk_list_view_new (g_object_ref (selection), factory);
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gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), lv);
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g_signal_connect (toggle, "toggled", G_CALLBACK (toggle_cb), lv);
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/* grid */
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sw = gtk_scrolled_window_new ();
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gtk_stack_add_titled (GTK_STACK (stack), sw, "grid", "Grid");
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factory = gtk_signal_list_item_factory_new ();
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g_signal_connect (factory, "setup", G_CALLBACK (setup_item), NULL);
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g_signal_connect (factory, "bind", G_CALLBACK (bind_item), NULL);
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gv = gtk_grid_view_new (g_object_ref (selection), factory);
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gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), gv);
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g_signal_connect (toggle, "toggled", G_CALLBACK (toggle_cb), gv);
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gtk_grid_view_set_min_columns (GTK_GRID_VIEW (gv), 5);
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adj = gtk_scrolled_window_get_hadjustment (GTK_SCROLLED_WINDOW (sw));
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g_signal_connect (adj, "value-changed", G_CALLBACK (value_changed_cb), NULL);
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/* columns */
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sw = gtk_scrolled_window_new ();
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gtk_stack_add_titled (GTK_STACK (stack), sw, "columns", "Columns");
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cv = gtk_column_view_new (g_object_ref (selection));
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gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), cv);
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factory = gtk_signal_list_item_factory_new ();
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g_signal_connect (factory, "setup", G_CALLBACK (setup_item), NULL);
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g_signal_connect (factory, "bind", G_CALLBACK (bind_item), NULL);
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column = gtk_column_view_column_new ("Word", factory);
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gtk_column_view_append_column (GTK_COLUMN_VIEW (cv), column);
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gtk_column_view_column_set_expand (column, TRUE);
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gtk_column_view_column_set_resizable (column, TRUE);
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g_object_unref (column);
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factory = gtk_signal_list_item_factory_new ();
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g_signal_connect (factory, "setup", G_CALLBACK (setup_item), NULL);
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g_signal_connect (factory, "bind", G_CALLBACK (bind_item_reverse), NULL);
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column = gtk_column_view_column_new ("Reverse", factory);
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gtk_column_view_append_column (GTK_COLUMN_VIEW (cv), column);
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gtk_column_view_column_set_expand (column, TRUE);
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gtk_column_view_column_set_resizable (column, TRUE);
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g_object_unref (column);
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g_signal_connect (toggle, "toggled", G_CALLBACK (toggle_cb), cv);
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gtk_window_present (GTK_WINDOW (window));
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g_timeout_add (500, dump_sections, selection);
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while (g_list_model_get_n_items (gtk_window_get_toplevels ()) > 0)
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g_main_context_iteration (NULL, FALSE);
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g_object_unref (selection);
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return 0;
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}
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