first, incomplete pass at step entry dialog, along with various SVG and PNG files for notes and dynamics notation

git-svn-id: svn://localhost/ardour2/branches/3.0@7529 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 66 insertions, 0 deletions

diff --git a/gtk2_ardour/gtk_pianokeyboard.h b/gtk2_ardour/gtk_pianokeyboard.h
new file mode 100644
index 0000000000..27d9a8a5c2
--- /dev/null
+++ b/gtk2_ardour/gtk_pianokeyboard.h
@@ -0,0 +1,66 @@
+#ifndef __PIANO_KEYBOARD_H__
+#define __PIANO_KEYBOARD_H__
+
+#include <glib.h>
+#include <gtk/gtkdrawingarea.h>
+
+G_BEGIN_DECLS
+
+#define TYPE_PIANO_KEYBOARD			(piano_keyboard_get_type ())
+#define PIANO_KEYBOARD(obj)			(G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_PIANO_KEYBOARD, PianoKeyboard))
+#define PIANO_KEYBOARD_CLASS(klass)		(G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_PIANO_KEYBOARD, PianoKeyboardClass))
+#define IS_PIANO_KEYBOARD(obj)			(G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_PIANO_KEYBOARD))
+#define IS_PIANO_KEYBOARD_CLASS(klass)		(G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_PIANO_KEYBOARD))
+#define PIANO_KEYBOARD_GET_CLASS(obj)		(G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_PIANO_KEYBOARD, PianoKeyboardClass))
+
+typedef struct	_PianoKeyboard			PianoKeyboard;
+typedef struct	_PianoKeyboardClass		PianoKeyboardClass;
+
+#define NNOTES			127
+
+#define OCTAVE_MIN	-1
+#define OCTAVE_MAX	7
+
+struct Note {
+	int			pressed;		/* 1 if key is in pressed down state. */
+	int			sustained;		/* 1 if note is sustained. */
+	int			x;			/* Distance between the left edge of the key
+							 * and the left edge of the widget, in pixels. */
+	int			w;			/* Width of the key, in pixels. */
+	int			h;			/* Height of the key, in pixels. */
+	int			white;			/* 1 if key is white; 0 otherwise. */
+};
+
+struct _PianoKeyboard
+{
+	GtkDrawingArea		da;
+	int			maybe_stop_sustained_notes;
+	int			sustain_new_notes;
+	int			enable_keyboard_cue;
+	int			octave;
+	int			widget_margin;
+	int			note_being_pressed_using_mouse;
+	volatile struct Note 	notes[NNOTES];
+	/* Table used to translate from PC keyboard character to MIDI note number. */
+	GHashTable		*key_bindings;
+};
+
+struct _PianoKeyboardClass
+{
+	GtkDrawingAreaClass	parent_class;
+};
+
+GType		piano_keyboard_get_type		(void) G_GNUC_CONST;
+GtkWidget*	piano_keyboard_new		(void);
+void		piano_keyboard_sustain_press	(PianoKeyboard *pk);
+void		piano_keyboard_sustain_release	(PianoKeyboard *pk);
+void		piano_keyboard_set_note_on	(PianoKeyboard *pk, int note);
+void		piano_keyboard_set_note_off	(PianoKeyboard *pk, int note);
+void		piano_keyboard_set_keyboard_cue	(PianoKeyboard *pk, int enabled);
+void		piano_keyboard_set_octave (PianoKeyboard *pk, int octave);
+gboolean	piano_keyboard_set_keyboard_layout (PianoKeyboard *pk, const char *layout);
+
+G_END_DECLS
+
+#endif /* __PIANO_KEYBOARD_H__ */
+