New matrix-based editor for connections and bundles, based on thorwil's design.

Add Bundle Manager dialog.


git-svn-id: svn://localhost/ardour2/branches/3.0@4415 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 199 insertions, 0 deletions

diff --git a/gtk2_ardour/port_matrix_column_labels.cc b/gtk2_ardour/port_matrix_column_labels.cc
new file mode 100644
index 0000000000..343d225b55
--- /dev/null
+++ b/gtk2_ardour/port_matrix_column_labels.cc
@@ -0,0 +1,199 @@
+/*
+    Copyright (C) 2002-2009 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.
+
+*/
+
+#include <iostream>
+#include "ardour/bundle.h"
+#include "port_matrix_column_labels.h"
+#include "port_matrix.h"
+
+PortMatrixColumnLabels::PortMatrixColumnLabels (PortMatrixBody* b)
+	: PortMatrixComponent (b)
+{
+	
+}
+
+void
+PortMatrixColumnLabels::compute_dimensions ()
+{
+	GdkPixmap* pm = gdk_pixmap_new (NULL, 1, 1, 24);
+	gdk_drawable_set_colormap (pm, gdk_colormap_get_system());
+	cairo_t* cr = gdk_cairo_create (pm);
+
+	/* width of the longest bundle name */
+	_longest_bundle_name = 0;
+	/* width of the longest channel name */
+	_longest_channel_name = 0;
+	/* height of highest bit of text */
+	_highest_text = 0;
+	
+	for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->column_bundles().begin (); i != _body->column_bundles().end(); ++i) {
+
+		cairo_text_extents_t ext;
+		cairo_text_extents (cr, (*i)->name().c_str(), &ext);
+		if (ext.width > _longest_bundle_name) {
+			_longest_bundle_name = ext.width;
+		}
+		if (ext.height > _highest_text) {
+			_highest_text = ext.height;
+		}
+
+		for (uint32_t j = 0; j < (*i)->nchannels (); ++j) {
+			
+			cairo_text_extents (
+				cr,
+				(*i)->channel_name (j).c_str(),
+				&ext
+				);
+			
+			if (ext.width > _longest_channel_name) {
+				_longest_channel_name = ext.width;
+			}
+			if (ext.height > _highest_text) {
+				_highest_text = ext.height;
+			}
+		}
+	}
+
+	cairo_destroy (cr);
+	gdk_pixmap_unref (pm);
+
+	/* width and height of the whole thing */
+	
+	_width = 0;
+	for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->column_bundles().begin (); i != _body->column_bundles().end(); ++i) {
+		_width += (*i)->nchannels() * column_width();
+	}
+
+	_height =
+		(_longest_bundle_name + _longest_channel_name + 4 * name_pad()) * sin (angle())
+		+ _highest_text * cos (angle());
+
+	_width += _height / tan (angle ());
+}
+
+uint32_t
+PortMatrixColumnLabels::basic_text_x_pos (int c) const
+{
+	return column_width() / 2 +
+		_highest_text / (2 * sin (angle ()));
+}
+
+void
+PortMatrixColumnLabels::render (cairo_t* cr)
+{
+	/* BACKGROUND */
+
+	set_source_rgb (cr, background_colour());
+	cairo_rectangle (cr, 0, 0, _width, _height);
+	cairo_fill (cr);
+
+        /* BUNDLE PARALLELOGRAM-TYPE-THING AND NAME */
+
+	uint32_t x = 0;
+	for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->column_bundles().begin (); i != _body->column_bundles().end(); ++i) {
+
+		Gdk::Color colour = get_a_bundle_colour (i - _body->column_bundles().begin ());
+		set_source_rgb (cr, colour);
+
+		uint32_t const w = (*i)->nchannels() * column_width();
+
+		uint32_t x_ = x;
+		uint32_t y_ = _height;
+		
+		cairo_move_to (cr, x_, y_);
+		x_ += w;
+		cairo_line_to (cr, x_, y_);
+		x_ += _height / tan (angle ());
+		y_ -= _height;
+		cairo_line_to (cr, x_, y_);
+		x_ -= w;
+		cairo_line_to (cr, x_, y_);
+		cairo_line_to (cr, x, _height);
+		cairo_fill_preserve (cr);
+		set_source_rgb (cr, background_colour());
+		cairo_set_line_width (cr, label_border_width());
+		cairo_stroke (cr);
+
+		set_source_rgb (cr, text_colour());
+
+		uint32_t const rl = 3 * name_pad() + _longest_channel_name;
+
+		cairo_move_to (
+			cr,
+			x + basic_text_x_pos (0) + rl * cos (angle()),
+			_height - rl * sin (angle())
+			);
+		
+		cairo_save (cr);
+		cairo_rotate (cr, -angle());
+		cairo_show_text (cr, (*i)->name().c_str());
+		cairo_restore (cr);
+		
+		x += (*i)->nchannels () * column_width();
+	}
+	
+
+	/* PORT NAMES */
+
+	x = 0;
+	for (std::vector<boost::shared_ptr<ARDOUR::Bundle> >::const_iterator i = _body->column_bundles().begin(); i != _body->column_bundles().end(); ++i) {
+		
+		for (uint32_t j = 0; j < (*i)->nchannels(); ++j) {
+
+			uint32_t const p = _longest_channel_name + (2 * name_pad());
+			uint32_t const w = column_width();
+
+			uint32_t x_ = x;
+			uint32_t y_ = _height;
+			cairo_move_to (cr, x_, y_);
+			x_ += w;
+			cairo_line_to (cr, x_, y_);
+			x_ += p * cos (angle());
+			y_ -= p * sin (angle());
+ 			cairo_line_to (cr, x_, y_);
+ 			x_ -= column_width() * pow (sin (angle()), 2);
+ 			y_ -= column_width() * sin (angle()) * cos (angle());
+ 			cairo_line_to (cr, x_, y_);
+ 			cairo_line_to (cr, x, _height);
+
+			Gdk::Color colour = get_a_bundle_colour (i - _body->column_bundles().begin());
+			set_source_rgb (cr, colour);
+			cairo_fill_preserve (cr);
+			set_source_rgb (cr, background_colour());
+			cairo_set_line_width (cr, label_border_width());
+			cairo_stroke (cr);
+
+			set_source_rgb (cr, text_colour());
+			cairo_move_to (cr, x + basic_text_x_pos(j), _height - name_pad() * sin (angle()));
+			
+			cairo_save (cr);
+			cairo_rotate (cr, -angle());
+
+			cairo_show_text (
+				cr,
+				(*i)->channel_name(j).c_str()
+				);
+			
+			cairo_restore (cr);
+
+			x += column_width();
+		}
+	}
+}
+