3 * Demonstrates a sample multi-step assistant. Assistants are used to divide
4 * an operation into several simpler sequential steps, and to guide the user
10 static GtkWidget *assistant = NULL;
11 static GtkWidget *progress_bar = NULL;
14 apply_changes_gradually (gpointer data)
18 /* Work, work, work... */
19 fraction = gtk_progress_bar_get_fraction (GTK_PROGRESS_BAR (progress_bar));
24 gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (progress_bar), fraction);
25 return G_SOURCE_CONTINUE;
29 /* Close automatically once changes are fully applied. */
30 gtk_widget_destroy (assistant);
32 return G_SOURCE_REMOVE;
37 on_assistant_apply (GtkWidget *widget, gpointer data)
39 /* Start a timer to simulate changes taking a few seconds to apply. */
40 g_timeout_add (100, apply_changes_gradually, NULL);
44 on_assistant_close_cancel (GtkWidget *widget, gpointer data)
46 GtkWidget **assistant = (GtkWidget **) data;
48 gtk_widget_destroy (*assistant);
53 on_assistant_prepare (GtkWidget *widget, GtkWidget *page, gpointer data)
55 gint current_page, n_pages;
58 current_page = gtk_assistant_get_current_page (GTK_ASSISTANT (widget));
59 n_pages = gtk_assistant_get_n_pages (GTK_ASSISTANT (widget));
61 title = g_strdup_printf ("Sample assistant (%d of %d)", current_page + 1, n_pages);
62 gtk_window_set_title (GTK_WINDOW (widget), title);
65 /* The fourth page (counting from zero) is the progress page. The
66 * user clicked Apply to get here so we tell the assistant to commit,
67 * which means the changes up to this point are permanent and cannot
68 * be cancelled or revisited. */
69 if (current_page == 3)
70 gtk_assistant_commit (GTK_ASSISTANT (widget));
74 on_entry_changed (GtkWidget *widget, gpointer data)
76 GtkAssistant *assistant = GTK_ASSISTANT (data);
77 GtkWidget *current_page;
81 page_number = gtk_assistant_get_current_page (assistant);
82 current_page = gtk_assistant_get_nth_page (assistant, page_number);
83 text = gtk_entry_get_text (GTK_ENTRY (widget));
86 gtk_assistant_set_page_complete (assistant, current_page, TRUE);
88 gtk_assistant_set_page_complete (assistant, current_page, FALSE);
92 create_page1 (GtkWidget *assistant)
94 GtkWidget *box, *label, *entry;
96 box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
97 gtk_container_set_border_width (GTK_CONTAINER (box), 12);
99 label = gtk_label_new ("You must fill out this entry to continue:");
100 gtk_box_pack_start (GTK_BOX (box), label, FALSE, FALSE, 0);
102 entry = gtk_entry_new ();
103 gtk_entry_set_activates_default (GTK_ENTRY (entry), TRUE);
104 gtk_box_pack_start (GTK_BOX (box), entry, TRUE, TRUE, 0);
105 g_signal_connect (G_OBJECT (entry), "changed",
106 G_CALLBACK (on_entry_changed), assistant);
108 gtk_widget_show_all (box);
109 gtk_assistant_append_page (GTK_ASSISTANT (assistant), box);
110 gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), box, "Page 1");
111 gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), box, GTK_ASSISTANT_PAGE_INTRO);
115 create_page2 (GtkWidget *assistant)
117 GtkWidget *box, *checkbutton;
119 box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
120 gtk_container_set_border_width (GTK_CONTAINER (box), 12);
122 checkbutton = gtk_check_button_new_with_label ("This is optional data, you may continue "
123 "even if you do not check this");
124 gtk_box_pack_start (GTK_BOX (box), checkbutton, FALSE, FALSE, 0);
126 gtk_widget_show_all (box);
127 gtk_assistant_append_page (GTK_ASSISTANT (assistant), box);
128 gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), box, TRUE);
129 gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), box, "Page 2");
133 create_page3 (GtkWidget *assistant)
137 label = gtk_label_new ("This is a confirmation page, press 'Apply' to apply changes");
139 gtk_widget_show (label);
140 gtk_assistant_append_page (GTK_ASSISTANT (assistant), label);
141 gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), label, GTK_ASSISTANT_PAGE_CONFIRM);
142 gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), label, TRUE);
143 gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), label, "Confirmation");
147 create_page4 (GtkWidget *assistant)
149 progress_bar = gtk_progress_bar_new ();
150 gtk_widget_set_halign (progress_bar, GTK_ALIGN_CENTER);
151 gtk_widget_set_valign (progress_bar, GTK_ALIGN_CENTER);
153 gtk_widget_show (progress_bar);
154 gtk_assistant_append_page (GTK_ASSISTANT (assistant), progress_bar);
155 gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), progress_bar, GTK_ASSISTANT_PAGE_PROGRESS);
156 gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), progress_bar, "Applying changes");
158 /* This prevents the assistant window from being
159 * closed while we're "busy" applying changes.
161 gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), progress_bar, FALSE);
165 do_assistant (GtkWidget *do_widget)
169 assistant = gtk_assistant_new ();
171 gtk_window_set_default_size (GTK_WINDOW (assistant), -1, 300);
173 gtk_window_set_screen (GTK_WINDOW (assistant),
174 gtk_widget_get_screen (do_widget));
176 create_page1 (assistant);
177 create_page2 (assistant);
178 create_page3 (assistant);
179 create_page4 (assistant);
181 g_signal_connect (G_OBJECT (assistant), "cancel",
182 G_CALLBACK (on_assistant_close_cancel), &assistant);
183 g_signal_connect (G_OBJECT (assistant), "close",
184 G_CALLBACK (on_assistant_close_cancel), &assistant);
185 g_signal_connect (G_OBJECT (assistant), "apply",
186 G_CALLBACK (on_assistant_apply), NULL);
187 g_signal_connect (G_OBJECT (assistant), "prepare",
188 G_CALLBACK (on_assistant_prepare), NULL);
191 if (!gtk_widget_get_visible (assistant))
192 gtk_widget_show (assistant);
195 gtk_widget_destroy (assistant);