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/* testtreeflow.c
* Copyright (C) 2001 Red Hat, Inc
* Author: Jonathan Blandford
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gtk/gtk.h>
GtkTreeModel *model = NULL;
static GRand *grand = NULL;
GtkTreeSelection *selection = NULL;
enum
{
TEXT_COLUMN,
NUM_COLUMNS
};
static const char *words[] =
{
"Boom",
"Borp",
"Multiline\ntext",
"Bingo",
"Veni\nVedi\nVici",
NULL
};
#define NUM_WORDS 5
#define NUM_ROWS 100
static void
initialize_model (void)
{
int i;
GtkTreeIter iter;
model = (GtkTreeModel *) gtk_list_store_new (NUM_COLUMNS, G_TYPE_STRING);
grand = 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 (grand, 0, NUM_WORDS)],
-1);
}
}
static void
futz_row (void)
{
int i;
GtkTreePath *path;
GtkTreeIter iter;
GtkTreeIter iter2;
i = g_rand_int_range (grand, 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 (grand, 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 (grand, 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 (grand, 0, NUM_WORDS)],
-1);
break;
default:
g_assert_not_reached ();
}
}
static gboolean
futz (void)
{
int 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;
}
static void
quit_cb (GtkWidget *widget,
gpointer data)
{
gboolean *done = data;
*done = TRUE;
g_main_context_wakeup (NULL);
}
int
main (int argc, char *argv[])
{
GtkWidget *window;
GtkWidget *vbox;
GtkWidget *scrolled_window;
GtkWidget *tree_view;
GtkWidget *hbox;
GtkWidget *button;
GtkTreePath *path;
gboolean done = FALSE;
gtk_init ();
path = gtk_tree_path_new_from_string ("80");
window = gtk_window_new ();
gtk_window_set_title (GTK_WINDOW (window), "Reflow test");
g_signal_connect (window, "destroy", G_CALLBACK (quit_cb), &done);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
gtk_box_append (GTK_BOX (vbox), gtk_label_new ("Incremental Reflow Test"));
gtk_window_set_child (GTK_WINDOW (window), vbox);
scrolled_window = gtk_scrolled_window_new ();
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_widget_set_vexpand (scrolled_window, TRUE);
gtk_box_append (GTK_BOX (vbox), scrolled_window);
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_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_scrolled_window_set_child (GTK_SCROLLED_WINDOW (scrolled_window), tree_view);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_box_append (GTK_BOX (vbox), hbox);
button = gtk_button_new_with_mnemonic ("<b>_Futz!!</b>");
gtk_box_append (GTK_BOX (hbox), button);
gtk_label_set_use_markup (GTK_LABEL (gtk_button_get_child (GTK_BUTTON (button))), 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 (window);
g_timeout_add (1000, (GSourceFunc) futz, NULL);
while (!done)
g_main_context_iteration (NULL, TRUE);
return 0;
}
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