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

gtk2_ardour/port_matrix_component.h

@@ -0,0 +1,136 @@
+/*
+    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.
+
+*/
+
+#ifndef __gtk_ardour_port_matrix_component_h__
+#define __gtk_ardour_port_matrix_component_h__
+
+#include <gtkmm/eventbox.h>
+
+class PortMatrixBody;
+
+/** One component of the PortMatrix.  This is a cairo-rendered
+ *  Pixmap.
+ */
+class PortMatrixComponent
+{
+public:
+	PortMatrixComponent (PortMatrixBody *);
+	virtual ~PortMatrixComponent ();
+
+	void setup ();
+	GdkPixmap* get_pixmap (GdkDrawable *);
+	std::pair<uint32_t, uint32_t> dimensions ();
+	void require_render () {
+		_render_required = true;
+	}
+
+	/** @return width of columns in the grid */
+	static uint32_t column_width () {
+		return 32;
+	}
+
+	/** @return height of rows in the grid */
+	static uint32_t row_height () {
+		return 32;
+	}
+
+protected:
+
+	/** @return width of borders drawn around labels */
+	static uint32_t label_border_width () {
+		return 1;
+	}
+
+	/** @return padding between a name and the nearest line */
+	static uint32_t name_pad () {
+		return 8;
+	}
+
+	/** @return width of thin lines in the grid */
+	static uint32_t thin_grid_line_width () {
+		return 1;
+	}
+
+	/** @return width of thick lines in the grid */
+	static uint32_t thick_grid_line_width () {
+		return 2;
+	}
+
+	/** @return space around the connection indicator */
+	static uint32_t connection_indicator_pad () {
+		return 8;
+	}
+
+	/** @return angle of column labels, in radians */
+	static double angle () {
+		return M_PI / 4;
+	}
+
+	/* XXX I guess these colours should come from a theme, or something */
+
+	/* @return background colour */
+	static Gdk::Color background_colour () {
+ 		return Gdk::Color ("#000000");
+	}
+
+	/* @return text colour */
+	static Gdk::Color text_colour () {
+		return Gdk::Color ("#ffffff");
+	}
+
+	/* @return grid line colour */
+	static Gdk::Color grid_colour () {
+		return Gdk::Color ("#333333");
+	}
+
+	/* @return colour of association blobs */
+	static Gdk::Color association_colour () {
+		return Gdk::Color ("#00ff00");
+	}
+
+	/* XXX */
+	static Gdk::Color get_a_bundle_colour (int x) {
+		if ((x % 2) == 0) {
+			return Gdk::Color ("#547027");
+		} else {
+			return Gdk::Color ("#3552a6");
+		}
+	}
+
+	void set_source_rgb (cairo_t *, Gdk::Color const &);
+	void set_source_rgba (cairo_t *, Gdk::Color const &, double);
+
+	/** Render the complete component to a cairo context. */
+	virtual void render (cairo_t *) = 0;
+	/** Compute any required dimensions.  This must set up
+	 *  _width and _height.
+	 */
+	virtual void compute_dimensions () = 0;
+
+	PortMatrixBody* _body; ///< the PortMatrixBody that we're in
+	uint32_t _width; ///< full width of the contents
+	uint32_t _height; ///< full height of the contents
+
+private:	
+	GdkPixmap* _pixmap; ///< pixmap
+	bool _render_required; ///< true if the rendered pixmap is out of date
+	bool _dimension_computation_required; ///< true if the dimensions are out of date
+};
+
+#endif