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add scroll event handling to the vbap panner GUI; clamp vbap pos+width values (but not via clamp_*()) 

git-svn-id: svn://localhost/ardour2/branches/3.0@8932 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2011-02-22 21:55:25 +00:00
parent 7b8a76de25
commit 2daa616e02
4 changed files with 29 additions and 5 deletions
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2
gtk2_ardour/audio_time_axis.cc
View File

@ -225,8 +225,6 @@ AudioTimeAxisView::ensure_pan_views (bool show)
set<Evoral::Parameter> params = _route->panner()->what_can_be_automated();
set<Evoral::Parameter>::iterator p;
cerr << _route->name() << " the panner has " << params.size() << " params that can be automated\n";
for (p = params.begin(); p != params.end(); ++p) {
boost::shared_ptr<ARDOUR::AutomationControl> pan_control = _route->pannable()->automation_control(*p);

18
gtk2_ardour/panner2d.cc
View File

@ -285,6 +285,7 @@ Panner2d::on_motion_notify_event (GdkEventMotion *ev)
return handle_motion (x, y, state);
}
bool
Panner2d::on_expose_event (GdkEventExpose *event)
{
@ -536,6 +537,23 @@ Panner2d::handle_motion (gint evx, gint evy, GdkModifierType state)
return true;
}
bool
Panner2d::on_scroll_event (GdkEventScroll* ev)
{
switch (ev->direction) {
case GDK_SCROLL_UP:
case GDK_SCROLL_RIGHT:
panner->set_position (panner->pannable()->pan_azimuth_control->get_value() - 1.0/360.0);
break;
case GDK_SCROLL_DOWN:
case GDK_SCROLL_LEFT:
panner->set_position (panner->pannable()->pan_azimuth_control->get_value() + 1.0/360.0);
break;
}
return true;
}
void
Panner2d::cart_to_gtk (CartesianVector& c) const
{

1
gtk2_ardour/panner2d.h
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@ -77,6 +77,7 @@ class Panner2d : public Gtk::DrawingArea
bool on_button_press_event (GdkEventButton *);
bool on_button_release_event (GdkEventButton *);
bool on_motion_notify_event (GdkEventMotion *);
bool on_scroll_event (GdkEventScroll *);
void on_size_allocate (Gtk::Allocation& alloc);
private:

13
libs/panners/vbap/vbap.cc
View File

@ -436,12 +436,19 @@ VBAPanner::get_speakers () const
void
VBAPanner::set_position (double p)
{
if (p < 0.0) {
p = 1.0 + p;
}
if (p > 1.0) {
p = fmod (p, 1.0);
}
_pannable->pan_azimuth_control->set_value (p);
}
void
VBAPanner::set_width (double p)
VBAPanner::set_width (double w)
{
_pannable->pan_width_control->set_value (p);
_pannable->pan_width_control->set_value (min (1.0, max (-1.0, w)));
}