diff options
author | Paul Davis <paul@linuxaudiosystems.com> | 2010-05-05 20:29:46 +0000 |
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committer | Paul Davis <paul@linuxaudiosystems.com> | 2010-05-05 20:29:46 +0000 |
commit | 1ae1eeb25762887599fcc12e1fc9163c76014525 (patch) | |
tree | 410d49990b2a429dbb68c415b89096903d74f6ae /gtk2_ardour/led.cc | |
parent | 958d5ffefd8cbd386ec334060b9e887797afa728 (diff) |
led\'s for solo-safe and solo-isolate, rather than a context menu (mixer strip only). not finished and some logic errors in terms of turning things on and off
git-svn-id: svn://localhost/ardour2/branches/3.0@7066 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'gtk2_ardour/led.cc')
-rw-r--r-- | gtk2_ardour/led.cc | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/gtk2_ardour/led.cc b/gtk2_ardour/led.cc new file mode 100644 index 0000000000..c751eb91e0 --- /dev/null +++ b/gtk2_ardour/led.cc @@ -0,0 +1,120 @@ +/* + Copyright (C) 2010 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 <cmath> +#include <algorithm> + +#include "led.h" + +using namespace Gdk; +using namespace Gtk; +using namespace Glib; + +LED::LED() + : _visual_state (0) + , _active (false) + , _red (0.0) + , _green (1.0) + , _blue (0.0) + +{ +} + +LED::~LED() +{ +} + +void +LED::render (cairo_t* cr) +{ + float diameter = std::min (_width, _height); + + //background + cairo_rectangle(cr, 0, 0, _width, _height); + cairo_stroke_preserve(cr); + cairo_set_source_rgb(cr, 0, 0, 0); + cairo_fill(cr); + + cairo_translate(cr, _width/2, _height/2); + +#if 0 + //inset + cairo_pattern_t *pat = cairo_pattern_create_linear (0.0, 0.0, 0.0, diameter); + cairo_pattern_add_color_stop_rgba (pat, 0, 0,0,0, 0.4); + cairo_pattern_add_color_stop_rgba (pat, 1, 1,1,1, 0.7); + cairo_arc (cr, 0, 0, diameter/2, 0, 2 * M_PI); + cairo_set_source (cr, pat); + cairo_fill (cr); + cairo_pattern_destroy (pat); + + //black ring + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_arc (cr, 0, 0, diameter/2-2, 0, 2 * M_PI); + cairo_fill(cr); + + //knob color + cairo_set_source_rgba (cr, _red, _green, _blue, _active ? 0.8 : 0.2); + cairo_arc (cr, 0, 0, diameter/2-3, 0, 2 * M_PI); + cairo_fill(cr); + + //reflection + cairo_scale(cr, 0.7, 0.7); + cairo_pattern_t *pat2 = cairo_pattern_create_linear (0.0, 0.0, 0.0, diameter/2-3); + cairo_pattern_add_color_stop_rgba (pat2, 0, 1,1,1, _active ? 0.4 : 0.2); + cairo_pattern_add_color_stop_rgba (pat2, 1, 1,1,1, 0.0); + cairo_arc (cr, 0, 0, diameter/2-3, 0, 2 * M_PI); + cairo_set_source (cr, pat2); + cairo_fill (cr); + cairo_pattern_destroy (pat2); +#endif + + cairo_set_source_rgba (cr, _red, _green, _blue, 1.0); + cairo_arc (cr, 0, 0, diameter/2-5, 0, 2 * M_PI); + cairo_fill(cr); + + cairo_stroke (cr); +} + +void +LED::set_visual_state (int32_t s) +{ + if (s != _visual_state) { + + _visual_state = s; + + RefPtr<Style> style = get_style(); + Color c; + + switch (_visual_state) { + case 0: + c = style->get_fg (STATE_NORMAL); + break; + default: + c = style->get_fg (STATE_ACTIVE); + break; + } + + _red = c.get_red_p (); + _green = c.get_green_p (); + _blue = c.get_blue_p (); + + set_dirty (); + } +} |