/* * GTK - The GIMP Toolkit * Copyright (C) 1999 Red Hat, Inc. * Copyright (C) 2002 Anders Carlsson * Copyright (C) 2003 Matthias Clasen * Copyright (C) 2005 Carlos Garnacho Parro * * All rights reserved. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. If not, see . */ #include static GtkWidget* get_test_page (const gchar *text) { return gtk_label_new (text); } typedef struct { GtkAssistant *assistant; GtkWidget *page; } PageData; static void complete_cb (GtkWidget *check, gpointer data) { PageData *pdata = data; gboolean complete; complete = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check)); gtk_assistant_set_page_complete (pdata->assistant, pdata->page, complete); } static GtkWidget * add_completion_test_page (GtkWidget *assistant, const gchar *text, gboolean visible, gboolean complete) { GtkWidget *page; GtkWidget *check; PageData *pdata; page = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); check = gtk_check_button_new_with_label ("Complete"); gtk_container_add (GTK_CONTAINER (page), gtk_label_new (text)); gtk_container_add (GTK_CONTAINER (page), check); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check), complete); pdata = g_new (PageData, 1); pdata->assistant = GTK_ASSISTANT (assistant); pdata->page = page; g_signal_connect (G_OBJECT (check), "toggled", G_CALLBACK (complete_cb), pdata); gtk_widget_set_visible (page, visible); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, text); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, complete); return page; } static void cancel_callback (GtkWidget *widget) { g_print ("cancel\n"); gtk_widget_hide (widget); } static void close_callback (GtkWidget *widget) { g_print ("close\n"); gtk_widget_hide (widget); } static void apply_callback (GtkWidget *widget) { g_print ("apply\n"); } static gboolean progress_timeout (GtkWidget *assistant) { GtkWidget *progress; gint current_page; gdouble value; current_page = gtk_assistant_get_current_page (GTK_ASSISTANT (assistant)); progress = gtk_assistant_get_nth_page (GTK_ASSISTANT (assistant), current_page); value = gtk_progress_bar_get_fraction (GTK_PROGRESS_BAR (progress)); value += 0.1; gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (progress), value); if (value >= 1.0) { gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), progress, TRUE); return FALSE; } return TRUE; } static void prepare_callback (GtkWidget *widget, GtkWidget *page) { if (GTK_IS_LABEL (page)) g_print ("prepare: %s\n", gtk_label_get_text (GTK_LABEL (page))); else if (gtk_assistant_get_page_type (GTK_ASSISTANT (widget), page) == GTK_ASSISTANT_PAGE_PROGRESS) { gtk_assistant_set_page_complete (GTK_ASSISTANT (widget), page, FALSE); gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (page), 0.0); gdk_threads_add_timeout (300, (GSourceFunc) progress_timeout, widget); } else g_print ("prepare: %d\n", gtk_assistant_get_current_page (GTK_ASSISTANT (widget))); } static void create_simple_assistant (GtkWidget *widget) { static GtkWidget *assistant = NULL; if (!assistant) { GtkWidget *page; assistant = gtk_assistant_new (); gtk_window_set_default_size (GTK_WINDOW (assistant), 400, 300); g_signal_connect (G_OBJECT (assistant), "cancel", G_CALLBACK (cancel_callback), NULL); g_signal_connect (G_OBJECT (assistant), "close", G_CALLBACK (close_callback), NULL); g_signal_connect (G_OBJECT (assistant), "apply", G_CALLBACK (apply_callback), NULL); g_signal_connect (G_OBJECT (assistant), "prepare", G_CALLBACK (prepare_callback), NULL); page = get_test_page ("Page 1"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Page 1"); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); page = get_test_page ("Page 2"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Page 2"); gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), page, GTK_ASSISTANT_PAGE_CONFIRM); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); } if (!gtk_widget_get_visible (assistant)) gtk_widget_show (assistant); else { gtk_widget_destroy (assistant); assistant = NULL; } } static void create_anonymous_assistant (GtkWidget *widget) { static GtkWidget *assistant = NULL; if (!assistant) { GtkWidget *page; assistant = gtk_assistant_new (); gtk_window_set_default_size (GTK_WINDOW (assistant), 400, 300); g_signal_connect (G_OBJECT (assistant), "cancel", G_CALLBACK (cancel_callback), NULL); g_signal_connect (G_OBJECT (assistant), "close", G_CALLBACK (close_callback), NULL); g_signal_connect (G_OBJECT (assistant), "apply", G_CALLBACK (apply_callback), NULL); g_signal_connect (G_OBJECT (assistant), "prepare", G_CALLBACK (prepare_callback), NULL); page = get_test_page ("Page 1"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); page = get_test_page ("Page 2"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), page, GTK_ASSISTANT_PAGE_CONFIRM); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); } if (!gtk_widget_get_visible (assistant)) gtk_widget_show (assistant); else { gtk_widget_destroy (assistant); assistant = NULL; } } static void visible_cb (GtkWidget *check, gpointer data) { GtkWidget *page = data; gboolean visible; visible = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check)); g_object_set (G_OBJECT (page), "visible", visible, NULL); } static void create_generous_assistant (GtkWidget *widget) { static GtkWidget *assistant = NULL; if (!assistant) { GtkWidget *page, *next, *check; PageData *pdata; assistant = gtk_assistant_new (); gtk_window_set_default_size (GTK_WINDOW (assistant), 400, 300); g_signal_connect (G_OBJECT (assistant), "cancel", G_CALLBACK (cancel_callback), NULL); g_signal_connect (G_OBJECT (assistant), "close", G_CALLBACK (close_callback), NULL); g_signal_connect (G_OBJECT (assistant), "apply", G_CALLBACK (apply_callback), NULL); g_signal_connect (G_OBJECT (assistant), "prepare", G_CALLBACK (prepare_callback), NULL); page = get_test_page ("Introduction"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Introduction"); gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), page, GTK_ASSISTANT_PAGE_INTRO); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); page = add_completion_test_page (assistant, "Content", TRUE, FALSE); next = add_completion_test_page (assistant, "More Content", TRUE, TRUE); check = gtk_check_button_new_with_label ("Next page visible"); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check), TRUE); g_signal_connect (G_OBJECT (check), "toggled", G_CALLBACK (visible_cb), next); gtk_widget_show (check); gtk_container_add (GTK_CONTAINER (page), check); add_completion_test_page (assistant, "Even More Content", TRUE, TRUE); page = get_test_page ("Confirmation"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Confirmation"); gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), page, GTK_ASSISTANT_PAGE_CONFIRM); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); page = gtk_progress_bar_new (); gtk_widget_set_halign (page, GTK_ALIGN_FILL); gtk_widget_set_valign (page, GTK_ALIGN_CENTER); gtk_widget_set_margin_start (page, 20); gtk_widget_set_margin_end (page, 20); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Progress"); gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), page, GTK_ASSISTANT_PAGE_PROGRESS); page = gtk_check_button_new_with_label ("Summary complete"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Summary"); gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), page, GTK_ASSISTANT_PAGE_SUMMARY); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (page), gtk_assistant_get_page_complete (GTK_ASSISTANT (assistant), page)); pdata = g_new (PageData, 1); pdata->assistant = GTK_ASSISTANT (assistant); pdata->page = page; g_signal_connect (page, "toggled", G_CALLBACK (complete_cb), pdata); } if (!gtk_widget_get_visible (assistant)) gtk_widget_show (assistant); else { gtk_widget_destroy (assistant); assistant = NULL; } } static gchar selected_branch = 'A'; static void select_branch (GtkWidget *widget, gchar branch) { selected_branch = branch; } static gint nonlinear_assistant_forward_page (gint current_page, gpointer data) { switch (current_page) { case 0: if (selected_branch == 'A') return 1; else return 2; case 1: case 2: return 3; default: return -1; } } static void create_nonlinear_assistant (GtkWidget *widget) { static GtkWidget *assistant = NULL; if (!assistant) { GtkWidget *page, *button; assistant = gtk_assistant_new (); gtk_window_set_default_size (GTK_WINDOW (assistant), 400, 300); g_signal_connect (G_OBJECT (assistant), "cancel", G_CALLBACK (cancel_callback), NULL); g_signal_connect (G_OBJECT (assistant), "close", G_CALLBACK (close_callback), NULL); g_signal_connect (G_OBJECT (assistant), "apply", G_CALLBACK (apply_callback), NULL); g_signal_connect (G_OBJECT (assistant), "prepare", G_CALLBACK (prepare_callback), NULL); gtk_assistant_set_forward_page_func (GTK_ASSISTANT (assistant), nonlinear_assistant_forward_page, NULL, NULL); page = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6); button = gtk_radio_button_new_with_label (NULL, "branch A"); gtk_box_pack_start (GTK_BOX (page), button, FALSE, FALSE); g_signal_connect (G_OBJECT (button), "toggled", G_CALLBACK (select_branch), GINT_TO_POINTER ('A')); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE); button = gtk_radio_button_new_with_label (gtk_radio_button_get_group (GTK_RADIO_BUTTON (button)), "branch B"); gtk_box_pack_start (GTK_BOX (page), button, FALSE, FALSE); g_signal_connect (G_OBJECT (button), "toggled", G_CALLBACK (select_branch), GINT_TO_POINTER ('B')); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Page 1"); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); page = get_test_page ("Page 2A"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Page 2"); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); page = get_test_page ("Page 2B"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Page 2"); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); page = get_test_page ("Confirmation"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Confirmation"); gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), page, GTK_ASSISTANT_PAGE_CONFIRM); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); } if (!gtk_widget_get_visible (assistant)) gtk_widget_show (assistant); else { gtk_widget_destroy (assistant); assistant = NULL; } } static gint looping_assistant_forward_page (gint current_page, gpointer data) { switch (current_page) { case 0: return 1; case 1: return 2; case 2: return 3; case 3: { GtkAssistant *assistant; GtkWidget *page; assistant = (GtkAssistant*) data; page = gtk_assistant_get_nth_page (assistant, current_page); if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (page))) return 0; else return 4; } case 4: default: return -1; } } static void create_looping_assistant (GtkWidget *widget) { static GtkWidget *assistant = NULL; if (!assistant) { GtkWidget *page; assistant = gtk_assistant_new (); gtk_window_set_default_size (GTK_WINDOW (assistant), 400, 300); g_signal_connect (G_OBJECT (assistant), "cancel", G_CALLBACK (cancel_callback), NULL); g_signal_connect (G_OBJECT (assistant), "close", G_CALLBACK (close_callback), NULL); g_signal_connect (G_OBJECT (assistant), "apply", G_CALLBACK (apply_callback), NULL); g_signal_connect (G_OBJECT (assistant), "prepare", G_CALLBACK (prepare_callback), NULL); gtk_assistant_set_forward_page_func (GTK_ASSISTANT (assistant), looping_assistant_forward_page, assistant, NULL); page = get_test_page ("Introduction"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Introduction"); gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), page, GTK_ASSISTANT_PAGE_INTRO); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); page = get_test_page ("Content"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Content"); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); page = get_test_page ("More content"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "More content"); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); page = gtk_check_button_new_with_label ("Loop?"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Loop?"); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); page = get_test_page ("Confirmation"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Confirmation"); gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), page, GTK_ASSISTANT_PAGE_CONFIRM); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); } if (!gtk_widget_get_visible (assistant)) gtk_widget_show (assistant); else { gtk_widget_destroy (assistant); assistant = NULL; } } static void toggle_invisible (GtkButton *button, GtkAssistant *assistant) { GtkWidget *page; page = gtk_assistant_get_nth_page (assistant, 1); gtk_widget_set_visible (page, !gtk_widget_get_visible (page)); } static void create_full_featured_assistant (GtkWidget *widget) { static GtkWidget *assistant = NULL; if (!assistant) { GtkWidget *page, *button; assistant = gtk_assistant_new (); gtk_window_set_default_size (GTK_WINDOW (assistant), 400, 300); button = gtk_button_new_with_label ("_Stop"); gtk_button_set_use_underline (GTK_BUTTON (button), TRUE); gtk_widget_show (button); gtk_assistant_add_action_widget (GTK_ASSISTANT (assistant), button); g_signal_connect (button, "clicked", G_CALLBACK (toggle_invisible), assistant); g_signal_connect (G_OBJECT (assistant), "cancel", G_CALLBACK (cancel_callback), NULL); g_signal_connect (G_OBJECT (assistant), "close", G_CALLBACK (close_callback), NULL); g_signal_connect (G_OBJECT (assistant), "apply", G_CALLBACK (apply_callback), NULL); g_signal_connect (G_OBJECT (assistant), "prepare", G_CALLBACK (prepare_callback), NULL); page = get_test_page ("Page 1"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Page 1"); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); page = get_test_page ("Invisible page"); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Page 2"); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); page = gtk_file_chooser_widget_new (GTK_FILE_CHOOSER_ACTION_OPEN); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Filechooser"); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); gtk_assistant_set_page_has_padding (GTK_ASSISTANT (assistant), page, FALSE); page = get_test_page ("Page 3"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Page 3"); gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), page, GTK_ASSISTANT_PAGE_CONFIRM); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); } if (!gtk_widget_get_visible (assistant)) gtk_widget_show (assistant); else { gtk_widget_destroy (assistant); assistant = NULL; } } static void flip_pages (GtkButton *button, GtkAssistant *assistant) { GtkWidget *page; gchar *title; page = gtk_assistant_get_nth_page (assistant, 1); g_object_ref (page); title = g_strdup (gtk_assistant_get_page_title (assistant, page)); gtk_assistant_remove_page (assistant, 1); gtk_assistant_insert_page (assistant, page, 2); gtk_widget_show (page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, title); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); g_object_unref (page); g_free (title); } static void create_page_flipping_assistant (GtkWidget *widget) { static GtkWidget *assistant = NULL; if (!assistant) { GtkWidget *page, *button; assistant = gtk_assistant_new (); gtk_window_set_default_size (GTK_WINDOW (assistant), 400, 300); button = gtk_button_new_with_label ("_Flip"); gtk_button_set_use_underline (GTK_BUTTON (button), TRUE); gtk_widget_show (button); gtk_assistant_add_action_widget (GTK_ASSISTANT (assistant), button); g_signal_connect (button, "clicked", G_CALLBACK (flip_pages), assistant); g_signal_connect (G_OBJECT (assistant), "cancel", G_CALLBACK (cancel_callback), NULL); g_signal_connect (G_OBJECT (assistant), "close", G_CALLBACK (close_callback), NULL); g_signal_connect (G_OBJECT (assistant), "apply", G_CALLBACK (apply_callback), NULL); g_signal_connect (G_OBJECT (assistant), "prepare", G_CALLBACK (prepare_callback), NULL); page = get_test_page ("Page 1"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Page 1"); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); page = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); gtk_box_pack_start (GTK_BOX (page), get_test_page ("Page 2"), TRUE, TRUE); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Page 2"); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); page = get_test_page ("Page 3"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Page 3"); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); page = get_test_page ("Summary"); gtk_widget_show (page); gtk_assistant_append_page (GTK_ASSISTANT (assistant), page); gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), page, "Summary"); gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), page, GTK_ASSISTANT_PAGE_SUMMARY); gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), page, TRUE); } if (!gtk_widget_get_visible (assistant)) gtk_widget_show (assistant); else { gtk_widget_destroy (assistant); assistant = NULL; } } struct { gchar *text; void (*func) (GtkWidget *widget); } buttons[] = { { "simple assistant", create_simple_assistant }, { "anonymous assistant", create_anonymous_assistant }, { "generous assistant", create_generous_assistant }, { "nonlinear assistant", create_nonlinear_assistant }, { "looping assistant", create_looping_assistant }, { "full featured assistant", create_full_featured_assistant }, { "page-flipping assistant", create_page_flipping_assistant }, }; int main (int argc, gchar *argv[]) { GtkWidget *window, *box, *button; gint i; gtk_init (); if (g_getenv ("RTL")) gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL); window = gtk_window_new (GTK_WINDOW_TOPLEVEL); g_signal_connect (G_OBJECT (window), "destroy", G_CALLBACK (gtk_main_quit), NULL); g_signal_connect (G_OBJECT (window), "delete-event", G_CALLBACK (gtk_false), NULL); box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6); gtk_container_add (GTK_CONTAINER (window), box); for (i = 0; i < G_N_ELEMENTS (buttons); i++) { button = gtk_button_new_with_label (buttons[i].text); if (buttons[i].func) g_signal_connect (G_OBJECT (button), "clicked", G_CALLBACK (buttons[i].func), NULL); gtk_box_pack_start (GTK_BOX (box), button, TRUE, TRUE); } gtk_widget_show (window); gtk_main (); return 0; }