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ardour knob: watch automation

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This commit is contained in:
Robin Gareus 2015-04-25 20:20:03 +02:00
parent 52d67203a1
commit 9d3e32be2d
1 changed files with 13 additions and 3 deletions
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16
gtk2_ardour/ardour_knob.cc
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@ -37,6 +37,7 @@
#include "ardour_knob.h"
#include "ardour_ui.h"
#include "global_signals.h"
#include "timers.h"
#include "canvas/colors.h"
#include "canvas/utils.h"
@ -66,6 +67,9 @@ ArdourKnob::ArdourKnob (Element e, Flags flags)
, _tooltip (this)
{
ARDOUR_UI_UTILS::ColorsChanged.connect (sigc::mem_fun (*this, &ArdourKnob::color_handler));
// watch automation :(
Timers::rapid_connect (sigc::mem_fun (*this, &ArdourKnob::controllable_changed));
}
ArdourKnob::~ArdourKnob()
@ -451,7 +455,7 @@ ArdourKnob::on_size_allocate (Allocation& alloc)
void
ArdourKnob::set_controllable (boost::shared_ptr<Controllable> c)
{
watch_connection.disconnect (); //stop watching the old controllable
watch_connection.disconnect (); //stop watching the old controllable
if (!c) return;
@ -468,10 +472,16 @@ void
ArdourKnob::controllable_changed ()
{
boost::shared_ptr<PBD::Controllable> c = binding_proxy.get_controllable();
if (!c) return;
_val = c->get_interface(); //% of knob travel
_val = min( max(0.0f, _val), 1.0f); //range check
float val = c->get_interface();
val = min( max(0.0f, val), 1.0f); // clamp
if (val == _val) {
return;
}
_val = val;
if (!_tooltip_prefix.empty()) {
_tooltip.set_tip (_tooltip_prefix + c->get_user_string());
}