using namespace Gdk;
using namespace Gtk;
using namespace Glib;
+using namespace Gtkmm2ext;
LED::LED()
- : _visual_state (0)
- , _active (false)
- , _diameter (0.0)
- , _fixed_diameter (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)
{
}
void
LED::render (cairo_t* cr)
{
- 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, c.get_green_p(), c.get_red_p(), c.get_blue_p());
- cairo_fill(cr);
-
- cairo_translate(cr, _width/2, _height/2);
+ if (!_fixed_diameter) {
+ _diameter = std::min (get_width(), get_height());
+ }
+
+ //background
+
+ Widget* parent;
+ RefPtr<Style> style;
+ Color c;
+
+ parent = get_parent ();
+
+ while (parent && !parent->get_has_window()) {
+ parent = parent->get_parent();
+ }
+
+ 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_add_color_stop_rgba (pat, 0, 0,0,0, 0.4);
cairo_fill(cr);
//knob color
- cairo_set_source_rgba (cr, _red, _green, _blue, _active ? 0.8 : 0.2);
+ cairo_set_source_rgba (cr, _red, _green, _blue, (active_state() == 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, 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_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)
{
- 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 ();
- }
+ _diameter = (d*2) + 5.0;
+
+ if (_diameter != 0.0) {
+ _fixed_diameter = true;
+ }
+
+ set_dirty ();
}
void
-LED::set_diameter (float d)
+LED::on_realize ()
{
- _diameter = (d*2) + 5.0;
-
- if (_diameter != 0.0) {
- _fixed_diameter = true;
- }
-
- set_dirty ();
+ 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);
- }
+ if (_fixed_diameter) {
+ req->width = _diameter;
+ req->height = _diameter;
+ } else {
+ CairoWidget::on_size_request (req);
+ }
+}
+
+void
+LED::set_colors_from_style ()
+{
+ 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 ();
}