smokephil/ardour
1
0
Fork 0
mirror of https://github.com/Ardour/ardour.git synced 2025-12-06 06:44:57 +01:00
Code Issues Projects Releases Wiki Activity

freehand line drawing: automation & velocity share the same basic code

Browse source
This commit is contained in:
Paul Davis 2023-07-10 17:32:18 -06:00
parent 2c48aabe08
commit df52c39ce0
9 changed files with 235 additions and 107 deletions
Download patch file Download diff file Expand all files Collapse all files

104
gtk2_ardour/velocity_ghost_region.cc
View file

@ -58,6 +58,7 @@ VelocityGhostRegion::VelocityGhostRegion (MidiRegionView& mrv, TimeAxisView& tv,
, drag_did_change (false)
, selected (false)
{
base_rect->set_data (X_("ghostregionview"), this);
base_rect->Event.connect (sigc::mem_fun (*this, &VelocityGhostRegion::base_event));
base_rect->set_fill_color (UIConfiguration::instance().color_mod ("ghost track base", "ghost track midi fill"));
base_rect->set_outline_color (UIConfiguration::instance().color ("automation track outline"));
@ -70,74 +71,36 @@ VelocityGhostRegion::~VelocityGhostRegion ()
}
bool
VelocityGhostRegion::base_event (GdkEvent* ev)
VelocityGhostRegion::line_draw_motion (ArdourCanvas::Duple const & d, ArdourCanvas::Rectangle const & r, double last_x)
{
std::vector<NoteBase*> affected_lollis;
MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (&parent_rv);
ArdourCanvas::Rect r = base_rect->item_to_canvas (base_rect->get());
switch (ev->type) {
case GDK_MOTION_NOTIFY:
if (dragging) {
if (last_drag_x < 0) {
lollis_close_to_x (ev->motion.x, 20., affected_lollis);
} else if (last_drag_x < ev->motion.x) {
/* rightward, "later" motion */
lollis_between (last_drag_x, ev->motion.x, affected_lollis);
} else {
/* leftward, "earlier" motion */
lollis_between (ev->motion.x, last_drag_x, affected_lollis);
}
if (!affected_lollis.empty()) {
int velocity = y_position_to_velocity (r.height() - (r.y1 - ev->motion.y));
drag_did_change |= mrv->set_velocity_for_notes (affected_lollis, velocity);
mrv->mid_drag_edit ();
}
if (dragging) {
dragging_line->add_point (ArdourCanvas::Duple (ev->motion.x - r.x0, ev->motion.y - r.y0));
last_drag_x = ev->motion.x;
}
return true;
}
break;
case GDK_BUTTON_PRESS:
if (ev->button.button == 1) {
assert (!dragging);
desensitize_lollis ();
dragging = true;
drag_did_change = false;
last_drag_x = -1;
if (!dragging_line) {
dragging_line = new ArdourCanvas::PolyLine (_note_group);
dragging_line->set_ignore_events (true);
dragging_line->set_outline_color (UIConfiguration::instance().color ("midi note selected outline"));
}
dragging_line->set (ArdourCanvas::Points());
dragging_line->show();
dragging_line->raise_to_top();
base_rect->grab();
mrv->begin_drag_edit (_("draw velocities"));
return true;
}
break;
case GDK_BUTTON_RELEASE:
if (ev->button.button == 1 && dragging) {
mrv->end_drag_edit (drag_did_change);
base_rect->ungrab();
dragging_line->hide ();
dragging = false;
sensitize_lollis ();
return true;
}
break;
default:
// std::cerr << "vgr event type " << Gtkmm2ext::event_type_string (ev->type) << std::endl;
break;
if (last_x < 0) {
lollis_close_to_x (d.x, 20., affected_lollis);
} else if (last_x < d.x) {
/* rightward, "later" motion */
lollis_between (last_x, d.x, affected_lollis);
} else {
/* leftward, "earlier" motion */
lollis_between (d.x, last_x, affected_lollis);
}
bool ret = false;
return false;
if (!affected_lollis.empty()) {
int velocity = y_position_to_velocity (r.height() - (r.y1() - d.y));
ret = mrv->set_velocity_for_notes (affected_lollis, velocity);
mrv->mid_drag_edit ();
}
return ret;
}
bool
VelocityGhostRegion::base_event (GdkEvent* ev)
{
return trackview.editor().canvas_velocity_base_event (ev, base_rect);
}
void
@ -234,7 +197,6 @@ VelocityGhostRegion::drag_lolli (ArdourCanvas::Lollipop* l, GdkEventMotion* ev)
* (event coordinates use window coordinate space)
*/
ev->y -= r.y0;
/* clamp y to be within the range defined by the base_rect height minus
@ -357,6 +319,22 @@ VelocityGhostRegion::lollis_close_to_x (int x, double distance, std::vector<Note
}
}
void
VelocityGhostRegion::start_line_drag ()
{
MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (&parent_rv);
mrv->begin_drag_edit (_("draw velocities"));
desensitize_lollis ();
}
void
VelocityGhostRegion::end_line_drag (bool did_change)
{
MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (&parent_rv);
mrv->end_drag_edit (did_change);
sensitize_lollis ();
}
void
VelocityGhostRegion::desensitize_lollis ()
{
@ -381,5 +359,5 @@ VelocityGhostRegion::set_selected (bool yn)
if (yn) {
group->raise_to_top ();
}
}
}