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))
25 typedef struct scherzo
32 on_delete_event_quit (unused (GtkWidget *widget),
33 unused (GdkEvent *event),
34 unused (gpointer user_data))
38 /* Returning FALSE allows the default handler for delete-event
39 * to proceed to cleanup the widget. */
44 on_expose_event_draw (GtkWidget *widget,
45 unused (GdkEventExpose *event),
48 scherzo_t *scherzo = user_data;
49 score_t *score = scherzo->score;
51 GtkAllocation allocation;
52 static const int pad = 10;
55 gtk_widget_get_allocation (widget, &allocation);
56 widget_width = allocation.width;
58 cr = gdk_cairo_create (widget->window);
60 /* White background */
61 cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
64 /* Add some padding on the left/right */
65 cairo_translate (cr, pad, pad);
66 score_set_width (score, widget_width - 2 * pad);
68 score_draw (score, cr);
74 main (int argc, char *argv[])
77 GtkWidget *drawing_area;
80 gtk_init (&argc, &argv);
82 scherzo.score = score_create (NULL);
83 scherzo.staff_height = 20;
84 score_set_staff_height (scherzo.score, scherzo.staff_height);
86 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
88 gtk_window_set_default_size (GTK_WINDOW (window), 600, 400);
90 g_signal_connect (window, "delete-event",
91 G_CALLBACK (on_delete_event_quit), NULL);
93 drawing_area = gtk_drawing_area_new ();
95 gtk_container_add (GTK_CONTAINER (window), drawing_area);
97 g_signal_connect (drawing_area, "expose-event",
98 G_CALLBACK (on_expose_event_draw),
101 gtk_widget_show_all (window);