/* 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; }