Prepare mini-timeline widget for toolbar

1 files changed, 89 insertions, 0 deletions

diff --git a/gtk2_ardour/mini_timeline.h b/gtk2_ardour/mini_timeline.h
new file mode 100644
index 0000000000..23071c4ce2
--- /dev/null
+++ b/gtk2_ardour/mini_timeline.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2016 Robin Gareus <robin@gareus.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef __gtkardour_mini_timeline_h__
+#define __gtkardour_mini_timeline_h__
+
+#include <list>
+#include <pangomm.h>
+
+#include "pbd/signals.h"
+
+#include "ardour/ardour.h"
+#include "ardour/session_handle.h"
+
+#include "gtkmm2ext/cairo_widget.h"
+#include "gtkmm2ext/utils.h"
+
+#include "audio_clock.h"
+
+namespace ARDOUR {
+	class Session;
+}
+
+class MiniTimeline : public CairoWidget, public ARDOUR::SessionHandlePtr, public PBD::ScopedConnectionList
+{
+
+public:
+	MiniTimeline ();
+	~MiniTimeline ();
+
+	void set_session (ARDOUR::Session *);
+
+private:
+	void session_going_away ();
+	void super_rapid_update ();
+
+	void on_size_request (Gtk::Requisition*);
+	void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
+	void on_name_changed ();
+	void set_colors ();
+
+	void calculate_time_width ();
+	void update_minitimeline ();
+	void draw_dots (cairo_t*, int left, int right, int y);
+	int  draw_mark (cairo_t*, int x0, int x1, int h, const std::string&);
+
+	void render (cairo_t*, cairo_rectangle_t*);
+	void format_time (framepos_t when);
+
+	bool on_button_release_event (GdkEventButton *ev);
+	bool on_scroll_event (GdkEventScroll*);
+
+	Glib::RefPtr<Pango::Layout> _layout;
+	sigc::connection super_rapid_connection;
+	PBD::ScopedConnectionList marker_connection;
+
+	framepos_t _last_update_frame;
+	AudioClock::Mode _clock_mode;
+	int _time_width;
+	int _time_height;
+
+	struct JumpRange {
+		JumpRange (int l, int r, framepos_t t)
+			: left (l), right (r), to (t) {}
+		int left;
+		int right;
+		framepos_t to;
+	};
+
+	typedef std::list <JumpRange> JumpList;
+	JumpList _jumplist;
+};
+
+#endif