X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fled.cc;h=6112f9c429547f76a48892a77ae1a634d4da4a52;hb=b0e496c82501c5bd44b9495bd9bd4c2077cf58c3;hp=c751eb91e0619bfef398db0130bbcea01c352ba2;hpb=1ae1eeb25762887599fcc12e1fc9163c76014525;p=ardour.git

diff --git a/gtk2_ardour/led.cc b/gtk2_ardour/led.cc
index c751eb91e0..6112f9c429 100644
--- a/gtk2_ardour/led.cc
+++ b/gtk2_ardour/led.cc
@@ -26,14 +26,14 @@
 using namespace Gdk;
 using namespace Gtk;
 using namespace Glib;
+using namespace Gtkmm2ext;
 
 LED::LED()
-        : _visual_state (0)
-        , _active (false)
-        , _red (0.0)
-        , _green (1.0)
-        , _blue (0.0)
-
+	: _diameter (0.0)
+	, _red (0.0)
+	, _green (1.0)
+	, _blue (0.0)
+	, _fixed_diameter (false)
 {
 }
 
@@ -42,79 +42,122 @@ LED::~LED()
 }
 
 void
-LED::render (cairo_t* cr)
+LED::render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_t*)
 {
-        float diameter = std::min (_width, _height);
+	cairo_t* cr = ctx->cobj();
+	if (!_fixed_diameter) {
+		_diameter = std::min (get_width(), get_height());
+	}
+
+	//background
+
+	Widget* parent;
+	RefPtr<Style> style;
+	Color c;
+
+	parent = get_parent ();
 
-        //background
-        cairo_rectangle(cr, 0, 0, _width, _height);
-        cairo_stroke_preserve(cr);
-        cairo_set_source_rgb(cr, 0, 0, 0);
-        cairo_fill(cr);
+	while (parent && !parent->get_has_window()) {
+		parent = parent->get_parent();
+	}
 
-	cairo_translate(cr, _width/2, _height/2);
+	if (parent && parent->get_has_window()) {
+		style = parent->get_style ();
+		c = style->get_bg (parent->get_state());
+	} else {
+		style = get_style ();
+		c = style->get_bg (get_state());
+	}
 
 #if 0
+	cairo_rectangle(cr, 0, 0, _width, _height);
+	cairo_stroke_preserve(cr);
+	cairo_set_source_rgb(cr, c.get_red_p(), c.get_green_p(), c.get_blue_p());
+	cairo_fill(cr);
+#endif
+
+	cairo_translate(cr, get_width()/2, get_height()/2);
+
 	//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_set_source_rgba (cr, _red, _green, _blue, (active_state() == Gtkmm2ext::ExplicitActive) ? 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_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_state() ? 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_fill(cr);
 
 	cairo_stroke (cr);
 }
 
 void
-LED::set_visual_state (int32_t s)
+LED::set_diameter (float d)
+{
+	_diameter = (d*2) + 5.0;
+
+	if (_diameter != 0.0) {
+		_fixed_diameter = true;
+	}
+
+	set_dirty ();
+}
+
+void
+LED::on_realize ()
+{
+	set_colors_from_style ();
+	CairoWidget::on_realize ();
+}
+
+void
+LED::on_size_request (Gtk::Requisition* req)
+{
+	if (_fixed_diameter) {
+		req->width = _diameter;
+		req->height = _diameter;
+	} else {
+		CairoWidget::on_size_request (req);
+	}
+}
+
+void
+LED::set_colors_from_style ()
 {
-        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 ();
-        }
+	RefPtr<Style> style = get_style();
+	Color c;
+
+	switch (_visual_state) {
+	case VisualState(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 ();
 }