1 /* scherzo - Music notation training
3 * Copyright © 2010 Carl Worth
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see http://www.gnu.org/licenses/ .
23 #define unused(foo) foo __attribute__((unused))
26 on_delete_event_quit (unused (GtkWidget *widget),
27 unused (GdkEvent *event),
28 unused (gpointer user_data))
32 /* Returning FALSE allows the default handler for delete-event
33 * to proceed to cleanup the widget. */
38 on_expose_event_draw (GtkWidget *widget,
39 unused (GdkEventExpose *event),
42 score_t *score = user_data;
44 GtkAllocation allocation;
45 static const int pad = 10;
46 int widget_width, staff_width;
48 gtk_widget_get_allocation (widget, &allocation);
49 widget_width = allocation.width;
51 cr = gdk_cairo_create (widget->window);
53 /* White background */
54 cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
57 /* Add some padding on the left/right */
58 cairo_translate (cr, pad, pad);
60 score_set_width (score, widget_width - 2 * pad);
62 score_draw (score, cr);
68 main (int argc, char *argv[])
71 GtkWidget *drawing_area;
74 gtk_init (&argc, &argv);
78 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
80 gtk_window_set_default_size (GTK_WINDOW (window), 600, 400);
82 g_signal_connect (window, "delete-event",
83 G_CALLBACK (on_delete_event_quit), NULL);
85 drawing_area = gtk_drawing_area_new ();
87 gtk_container_add (GTK_CONTAINER (window), drawing_area);
89 g_signal_connect (drawing_area, "expose-event",
90 G_CALLBACK (on_expose_event_draw),
93 gtk_widget_show_all (window);