add new CairoWidget-derived class that does nothing but shown an ArdourIcon.

Somewhat necessary by placement of ArdourButton class in directory heirarchy. But these are also
much simpler

2 files changed, 100 insertions, 0 deletions

diff --git a/libs/gtkmm2ext/cairo_icon.cc b/libs/gtkmm2ext/cairo_icon.cc
new file mode 100644
index 0000000000..1bbf081cdd
--- /dev/null
+++ b/libs/gtkmm2ext/cairo_icon.cc
@@ -0,0 +1,51 @@
+/*
+    Copyright (C) 2015 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 "gtkmm2ext/cairo_icon.h"
+
+using namespace Gtkmm2ext;
+
+CairoIcon::CairoIcon (ArdourIcon::Icon t, uint32_t foreground_color)
+	: icon_type (t)
+	, fg (foreground_color)
+{
+	set_draw_background (false);
+	set_widget_prelight (false);
+}
+
+CairoIcon::~CairoIcon ()
+{
+}
+
+void
+CairoIcon::set_fg (uint32_t color)
+{
+	fg = color;
+	queue_draw ();
+}
+
+void
+CairoIcon::render (cairo_t* cr , cairo_rectangle_t* area)
+{
+	int width = get_width();
+	int height = get_height ();
+
+	ArdourIcon::render (cr, icon_type, width, height, Off, fg);
+}
diff --git a/libs/gtkmm2ext/gtkmm2ext/cairo_icon.h b/libs/gtkmm2ext/gtkmm2ext/cairo_icon.h
new file mode 100644
index 0000000000..7be75861c7
--- /dev/null
+++ b/libs/gtkmm2ext/gtkmm2ext/cairo_icon.h
@@ -0,0 +1,49 @@
+/*
+    Copyright (C) 2015 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 __gtk2_ardour_cairo_icon_h__
+#define __gtk2_ardour_cairo_icon_h__
+
+#include "gtkmm2ext/visibility.h"
+#include "gtkmm2ext/cairo_widget.h"
+#include "gtkmm2ext/ardour_icon.h"
+
+/** A parent class for icons that are rendered using Cairo but need to be
+ * widgets for event handling
+ */
+
+namespace Gtkmm2ext {
+
+class LIBGTKMM2EXT_API CairoIcon : public CairoWidget
+{
+public:
+	CairoIcon (Gtkmm2ext::ArdourIcon::Icon, uint32_t fg = 0x000000ff);
+	virtual ~CairoIcon ();
+
+	void render (cairo_t *, cairo_rectangle_t*);
+	void set_fg (uint32_t fg);
+	
+  private:
+	ArdourIcon::Icon icon_type;
+	uint32_t fg;
+};
+
+}
+
+#endif /* __gtk2_ardour_cairo_icon_h__ */