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#include <config.h>
#include <gtk/gtk.h>
GtkTreeModel *model = NULL;
static GRand *rand = NULL;
GtkTreeSelection *selection = NULL;
enum
{
TEXT_COLUMN,
NUM_COLUMNS
};
static char *words[] =
{
"Boom",
"Borp",
"Multiline\ntext",
"Bingo",
"Veni\nVedi\nVici",
NULL
};
#define NUM_WORDS 5
#define NUM_ROWS 100
static void
initialize_model (void)
{
gint i;
GtkTreeIter iter;
model = (GtkTreeModel *) gtk_list_store_new (NUM_COLUMNS, G_TYPE_STRING);
rand = g_rand_new ();
for (i = 0; i < NUM_ROWS; i++)
{
gtk_list_store_append (GTK_LIST_STORE (model), &iter);
gtk_list_store_set (GTK_LIST_STORE (model), &iter,
TEXT_COLUMN, words[g_rand_int_range (rand, 0, NUM_WORDS)],
-1);
}
}
static void
futz_row (void)
{
gint i;
GtkTreePath *path;
GtkTreeIter iter;
GtkTreeIter iter2;
i = g_rand_int_range (rand, 0,
gtk_tree_model_iter_n_children (model, NULL));
path = gtk_tree_path_new ();
gtk_tree_path_append_index (path, i);
gtk_tree_model_get_iter (model, &iter, path);
gtk_tree_path_free (path);
if (gtk_tree_selection_iter_is_selected (selection, &iter))
return;
switch (g_rand_int_range (rand, 0, 3))
{
case 0:
/* insert */
gtk_list_store_insert_after (GTK_LIST_STORE (model),
&iter2, &iter);
gtk_list_store_set (GTK_LIST_STORE (model), &iter2,
TEXT_COLUMN, words[g_rand_int_range (rand, 0, NUM_WORDS)],
-1);
break;
case 1:
/* delete */
if (gtk_tree_model_iter_n_children (model, NULL) == 0)
return;
gtk_list_store_remove (GTK_LIST_STORE (model), &iter);
break;
case 2:
/* modify */
return;
if (gtk_tree_model_iter_n_children (model, NULL) == 0)
return;
gtk_list_store_set (GTK_LIST_STORE (model), &iter,
TEXT_COLUMN, words[g_rand_int_range (rand, 0, NUM_WORDS)],
-1);
break;
}
}
static gboolean
futz (void)
{
gint i;
for (i = 0; i < 15; i++)
futz_row ();
g_print ("Number of rows: %d\n", gtk_tree_model_iter_n_children (model, NULL));
return TRUE;
}
int
main (int argc, char *argv[])
{
GtkWidget *window;
GtkWidget *vbox;
GtkWidget *scrolled_window;
GtkWidget *tree_view;
GtkWidget *hbox;
GtkWidget *button;
GtkTreePath *path;
gtk_init (&argc, &argv);
path = gtk_tree_path_new_from_string ("80");
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "Reflow test");
g_signal_connect (window, "destroy", gtk_main_quit, NULL);
vbox = gtk_vbox_new (FALSE, 8);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
gtk_box_pack_start (GTK_BOX (vbox), gtk_label_new ("Incremental Reflow Test"), FALSE, FALSE, 0);
gtk_container_add (GTK_CONTAINER (window), vbox);
scrolled_window = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_box_pack_start (GTK_BOX (vbox), scrolled_window, TRUE, TRUE, 0);
initialize_model ();
tree_view = gtk_tree_view_new_with_model (model);
gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (tree_view), path, NULL, TRUE, 0.5, 0.0);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
gtk_tree_selection_select_path (selection, path);
gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (tree_view), TRUE);
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
-1,
NULL,
gtk_cell_renderer_text_new (),
"text", TEXT_COLUMN,
NULL);
gtk_container_add (GTK_CONTAINER (scrolled_window), tree_view);
hbox = gtk_hbox_new (FALSE, FALSE);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
button = gtk_button_new_with_mnemonic ("<b>_Futz!!</b>");
gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
gtk_label_set_use_markup (GTK_LABEL (GTK_BIN (button)->child), TRUE);
g_signal_connect (button, "clicked", G_CALLBACK (futz), NULL);
g_signal_connect (button, "realize", G_CALLBACK (gtk_widget_grab_focus), NULL);
gtk_window_set_default_size (GTK_WINDOW (window), 300, 400);
gtk_widget_show_all (window);
g_timeout_add (1000, (GSourceFunc) futz, NULL);
gtk_main ();
return 0;
}
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