VisibilityTracker needs to inherit from sigc::tracker so that it can be used without combination with other sigc::trackable parents; fix partially_visible() logic

1 files changed, 159 insertions, 0 deletions

diff --git a/gtk2_ardour/big_clock_window.cc b/gtk2_ardour/big_clock_window.cc
new file mode 100644
index 0000000000..b080167d34
--- /dev/null
+++ b/gtk2_ardour/big_clock_window.cc
@@ -0,0 +1,159 @@
+/*
+    Copyright (C) 20002-2013 Paul Davis
+
+    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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifdef WAF_BUILD
+#include "gtk2ardour-config.h"
+#endif
+
+#include "big_clock_window.h"
+#include "audio_clock.h"
+
+#include "i18n.h"
+
+
+BigClockWindow::BigClockWindow (AudioClock& c) 
+	: ArdourWindow (_("Big Clock"))
+	, clock (c)
+	, resize_in_progress (false)
+{
+	ARDOUR_UI::Clock.connect (sigc::mem_fun (clock, &AudioClock::set));
+
+	clock.set_corner_radius (0.0);
+	clock.mode_changed.connect (sigc::mem_fun (*this, &BigClockWindow::reset_aspect_ratio));
+
+	win->set_keep_above (true);
+	win->set_border_width (0);
+	win->add (*clock);
+}
+
+void
+BigClockWindow::on_unmap ()
+{
+	PublicEditor::instance().reset_focus ();
+}
+
+bool
+BigClockWindow::on_key_press_event (GdkEventKey* ev)
+{
+	return relay_key_press (ev);
+}
+
+void
+BigClockWindow::on_realize ()
+{
+	int x, y, w, d, h;
+
+	ArdourWindow::on_realize ();
+
+	get_window()->set_decorations (Gdk::DECOR_BORDER|Gdk::DECOR_RESIZEH);
+	get_window()->get_geometry (x, y, w, h, d);
+
+	reset_aspect_ratio ();
+
+	original_height = h;
+	original_width = w;
+
+	Pango::FontDescription fd (clock.get_style()->get_font());
+	original_font_size = fd.get_size ();
+
+	if (!fd.get_size_is_absolute ()) {
+		original_font_size /= PANGO_SCALE;
+	}
+}
+
+void
+BigClockWindow::on_size_allocate (Gtk::Allocation& alloc)
+{
+	ArdourWindow::on_size_allocate (alloc);
+
+	if (!big_clock_resize_in_progress) {
+		Glib::signal_idle().connect (sigc::bind (sigc::mem_fun (*this, &BigClockWindow::text_resizer), 0, 0));
+		resize_in_progress = true;
+	}
+}
+
+void
+BigClockWindow::float (Gtk::Window* parent)
+{
+	if (parent) {
+		set_transient_for (*parent);
+	} else {
+		/* Gtkmm doesn't allow a call to this for a null parent */
+		gtk_window_set_transient_for (big_clock_window->gobj(), (GtkWindow*) 0);
+	}
+}
+
+void
+BigClockWindow::reset_aspect_ratio ()
+{
+	Gtk::Requisition req;
+
+	clock.size_request (req);
+
+	float aspect = req.width/(float)req.height;
+	Gdk::Geometry geom;
+
+	geom.min_aspect = aspect;
+	geom.max_aspect = aspect;
+	
+	set_geometry_hints (clock, geom, Gdk::HINT_ASPECT);
+}
+
+bool
+BigClockWindow::text_resizer (int, int)
+{
+	resize_in_progress = false;
+
+	Glib::RefPtr<Gdk::Window> win = get_window();
+	Pango::FontDescription fd (clock.get_style()->get_font());
+	int current_size = fd.get_size ();
+	int x, y, w, h, d;
+
+	if (!fd.get_size_is_absolute ()) {
+		current_size /= PANGO_SCALE;
+	}
+
+	win->get_geometry (x, y, w, h, d);
+
+	double scale  = min (((double) w / (double) original_width),
+	                     ((double) h / (double) original_height));
+
+	int size = (int) lrintf (original_font_size * scale);
+
+	if (size != current_size) {
+
+		string family = fd.get_family();
+		char buf[family.length()+16];
+		snprintf (buf, family.length()+16, "%s %d", family.c_str(), size);
+
+		try {
+			Pango::FontDescription fd (buf);
+			Glib::RefPtr<Gtk::RcStyle> rcstyle = clock.get_modifier_style ();
+			rcstyle->set_font (fd);
+			clock.modify_style (rcstyle);
+		}
+
+		catch (...) {
+			/* oh well, do nothing */
+		}
+	}
+
+	return false;
+}
+