diff options
Diffstat (limited to 'gtk2_ardour/led.cc')
-rw-r--r-- | gtk2_ardour/led.cc | 58 |
1 files changed, 49 insertions, 9 deletions
diff --git a/gtk2_ardour/led.cc b/gtk2_ardour/led.cc index c751eb91e0..e1a98da228 100644 --- a/gtk2_ardour/led.cc +++ b/gtk2_ardour/led.cc @@ -30,6 +30,8 @@ using namespace Glib; LED::LED() : _visual_state (0) , _active (false) + , _diameter (0.0) + , _fixed_diameter (false) , _red (0.0) , _green (1.0) , _blue (0.0) @@ -44,49 +46,64 @@ LED::~LED() void LED::render (cairo_t* cr) { - float diameter = std::min (_width, _height); + if (!_fixed_diameter) { + _diameter = std::min (_width, _height); + } //background + + RefPtr<Style> style = get_style(); + Color c; + + switch (_visual_state) { + case 0: + c = style->get_bg (STATE_NORMAL); + break; + default: + c = style->get_bg (STATE_ACTIVE); + break; + } + cairo_rectangle(cr, 0, 0, _width, _height); cairo_stroke_preserve(cr); - cairo_set_source_rgb(cr, 0, 0, 0); + cairo_set_source_rgb(cr, c.get_green_p(), c.get_red_p(), c.get_blue_p()); 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_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_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_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_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_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_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_arc (cr, 0, 0, _diameter/2-5, 0, 2 * M_PI); cairo_fill(cr); cairo_stroke (cr); @@ -118,3 +135,26 @@ LED::set_visual_state (int32_t s) set_dirty (); } } + +void +LED::set_diameter (float d) +{ + _diameter = (d*2) + 5.0; + + if (_diameter != 0.0) { + _fixed_diameter = true; + } + + set_dirty (); +} + +void +LED::on_size_request (Gtk::Requisition* req) +{ + if (_fixed_diameter) { + req->width = _diameter; + req->height = _diameter; + } else { + CairoWidget::on_size_request (req); + } +} |