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Implement multi-touch support for ArdourKnobs

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Robin Gareus 2025-04-15 21:59:40 +02:00
parent 2a9776de5a
commit 95949e6267
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GPG key ID: A090BCE02CF57F04
2 changed files with 39 additions and 0 deletions
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36
libs/widgets/ardour_ctrl_base.cc
View file

@ -60,6 +60,7 @@ ArdourCtrlBase::ArdourCtrlBase (Flags flags)
, _dead_zone_delta (0)
{
UIConfigurationBase::instance().ColorsChanged.connect (sigc::mem_fun (*this, &ArdourCtrlBase::color_handler));
add_events (Gdk::TOUCH_UPDATE_MASK | Gdk::TOUCH_BEGIN_MASK | Gdk::TOUCH_END_MASK);
#ifdef VBM
_flags = (Flags)(static_cast <int>(_flags) | (int)NoHorizontal);
@ -257,6 +258,41 @@ ArdourCtrlBase::on_button_release_event (GdkEventButton *ev)
return true;
}
bool
ArdourCtrlBase::on_touch_begin_event (GdkEventTouch *ev)
{
_grabbed_x = ev->x;
_grabbed_y = ev->y;
_dead_zone_delta = 0;
_grabbed = true;
_tooltip.start_drag();
set_active_state (Gtkmm2ext::ExplicitActive);
StartGesture (ev->state);
return true;
}
bool
ArdourCtrlBase::on_touch_end_event (GdkEventTouch *ev)
{
_tooltip.stop_drag();
_grabbed = false;
StopGesture (ev->state);
unset_active_state ();
return true;
}
bool
ArdourCtrlBase::on_touch_update_event (GdkEventTouch* ev)
{
GdkEventMotion mev;
mev.window = ev->window;
mev.time = ev->time;
mev.x = ev->x;
mev.y = ev->y;
mev.state = Gdk::BUTTON1_MASK;
return ArdourCtrlBase::on_motion_notify_event (&mev);
}
void
ArdourCtrlBase::color_handler ()
{

3
libs/widgets/widgets/ardour_ctrl_base.h
View file

@ -77,6 +77,9 @@ public:
bool on_button_release_event (GdkEventButton*);
bool on_scroll_event (GdkEventScroll* ev);
bool on_motion_notify_event (GdkEventMotion *ev) ;
bool on_touch_begin_event (GdkEventTouch*);
bool on_touch_end_event (GdkEventTouch*);
bool on_touch_update_event (GdkEventTouch*);
void color_handler ();