- Gdk::Color newcolor;
-
- while (1) {
-
- /* avoid neon/glowing tones by limiting them to the
- "inner section" (paler) of a color wheel/circle.
- */
-
- const int32_t max_saturation = 48000; // 65535 would open up the whole color wheel
-
- newcolor.set_red (random() % max_saturation);
- newcolor.set_blue (random() % max_saturation);
- newcolor.set_green (random() % max_saturation);
-
- if (used_colors.size() == 0) {
- used_colors.push_back (newcolor);
- return newcolor;
- }
-
- for (list<Gdk::Color>::iterator i = used_colors.begin(); i != used_colors.end(); ++i) {
- Gdk::Color c = *i;
- float rdelta, bdelta, gdelta;
-
- rdelta = newcolor.get_red() - c.get_red();
- bdelta = newcolor.get_blue() - c.get_blue();
- gdelta = newcolor.get_green() - c.get_green();
-
- if (sqrt (rdelta*rdelta + bdelta*bdelta + gdelta*gdelta) > 25.0) {
- used_colors.push_back (newcolor);
- return newcolor;
- }
- }
-
- /* XXX need throttle here to make sure we don't spin for ever */
+ return ::unique_random_color (used_colors);
+}
+
+string
+AxisView::gui_property (const string& property_name) const
+{
+ return gui_object_state().get_string (state_id(), property_name);
+}
+
+bool
+AxisView::marked_for_display () const
+{
+ string const v = gui_property ("visible");
+ return (v == "" || PBD::string_is_affirmative (v));
+}
+
+bool
+AxisView::set_marked_for_display (bool yn)
+{
+ string const v = gui_property ("visible");
+ if (v == "" || yn != PBD::string_is_affirmative (v)) {
+ set_gui_property ("visible", yn);
+ return true; // things changed