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livetrax/gtk2_ardour/editor_canvas_events.cc
Paul Davis a14c534d16 dragging: add possibility of handling key events mid-drag
Currently only called from a canvas automation track event handler.
2023-07-10 12:21:27 -06:00

1374 lines
34 KiB
C++

/*
* Copyright (C) 2005-2018 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2005 Taybin Rutkin <taybin@taybin.com>
* Copyright (C) 2006-2012 David Robillard <d@drobilla.net>
* Copyright (C) 2008 Hans Baier <hansfbaier@googlemail.com>
* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
* Copyright (C) 2015-2016 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2015-2017 Nick Mainsbridge <mainsbridge@gmail.com>
* Copyright (C) 2015-2019 Ben Loftis <ben@harrisonconsoles.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <cstdlib>
#include <cmath>
#include <algorithm>
#include <typeinfo>
#include "ardour/audio_track.h"
#include "ardour/midi_track.h"
#include "ardour/midi_region.h"
#include "ardour/profile.h"
#include "ardour/region_factory.h"
#include "canvas/canvas.h"
#include "canvas/text.h"
#include "canvas/scroll_group.h"
#include "editor.h"
#include "keyboard.h"
#include "public_editor.h"
#include "audio_region_view.h"
#include "audio_streamview.h"
#include "audio_time_axis.h"
#include "region_gain_line.h"
#include "automation_line.h"
#include "automation_time_axis.h"
#include "automation_line.h"
#include "control_point.h"
#include "editor_drag.h"
#include "midi_time_axis.h"
#include "editor_regions.h"
#include "editor_sources.h"
#include "ui_config.h"
#include "verbose_cursor.h"
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace ArdourCanvas;
using Gtkmm2ext::Keyboard;
bool
Editor::track_canvas_scroll (GdkEventScroll* ev)
{
int direction = ev->direction;
/* this event arrives without transformation by the canvas, so we have
* to transform the coordinates to be able to look things up.
*/
Duple event_coords = _track_canvas->window_to_canvas (Duple (ev->x, ev->y));
switch (direction) {
case GDK_SCROLL_UP:
if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomHorizontalModifier)) {
temporal_zoom_step_mouse_focus (false);
return true;
} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollHorizontalModifier)) {
scroll_left_step ();
return true;
} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomVerticalModifier)) {
if (!current_stepping_trackview) {
step_timeout = Glib::signal_timeout().connect (sigc::mem_fun(*this, &Editor::track_height_step_timeout), 500);
std::pair<TimeAxisView*, int> const p = trackview_by_y_position (event_coords.y, false);
current_stepping_trackview = p.first;
if (!current_stepping_trackview) {
return false;
}
}
last_track_height_step_timestamp = get_microseconds();
current_stepping_trackview->step_height (false);
return true;
} else {
scroll_up_one_track ();
return true;
}
break;
case GDK_SCROLL_DOWN:
if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomHorizontalModifier)) {
temporal_zoom_step_mouse_focus (true);
return true;
} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollHorizontalModifier)) {
scroll_right_step ();
return true;
} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomVerticalModifier)) {
if (!current_stepping_trackview) {
step_timeout = Glib::signal_timeout().connect (sigc::mem_fun(*this, &Editor::track_height_step_timeout), 500);
std::pair<TimeAxisView*, int> const p = trackview_by_y_position (event_coords.y, false);
current_stepping_trackview = p.first;
if (!current_stepping_trackview) {
return false;
}
}
last_track_height_step_timestamp = get_microseconds();
current_stepping_trackview->step_height (true);
return true;
} else {
scroll_down_one_track ();
return true;
}
break;
case GDK_SCROLL_LEFT:
scroll_left_step ();
return true;
break;
case GDK_SCROLL_RIGHT:
scroll_right_step ();
return true;
break;
default:
/* what? */
break;
}
return false;
}
bool
Editor::canvas_scroll_event (GdkEventScroll *event, bool from_canvas)
{
if (from_canvas) {
boost::optional<ArdourCanvas::Rect> rulers = _time_markers_group->bounding_box();
if (rulers && rulers->contains (Duple (event->x, event->y))) {
return canvas_ruler_event ((GdkEvent*) event, timecode_ruler, TimecodeRulerItem);
}
}
_track_canvas->grab_focus();
return track_canvas_scroll (event);
}
bool
Editor::track_canvas_button_press_event (GdkEventButton *event)
{
_track_canvas->grab_focus();
if (!internal_editing() && !Keyboard::is_context_menu_event (event)) {
begin_reversible_selection_op (X_("Clear Selection Click (track canvas)"));
selection->clear ();
commit_reversible_selection_op();
}
return false;
}
bool
Editor::track_canvas_button_release_event (GdkEventButton *event)
{
if (!Keyboard::is_context_menu_event (event)) {
if (_drags->active ()) {
GdkEvent copy = *((GdkEvent*) event);
Duple winpos = Duple (event->x, event->y);
Duple where = _track_canvas->window_to_canvas (winpos);
copy.button.x = where.x;
copy.button.y = where.y;
_drags->end_grab (&copy);
}
}
return false;
}
bool
Editor::track_canvas_motion_notify_event (GdkEventMotion */*event*/)
{
int x, y;
/* keep those motion events coming */
_track_canvas->get_pointer (x, y);
return false;
}
bool
Editor::typed_event (ArdourCanvas::Item* item, GdkEvent *event, ItemType type)
{
if (!session () || session()->loading () || session()->deletion_in_progress ()) {
return false;
}
gint ret = FALSE;
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
ret = button_press_handler (item, event, type);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, type);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, type);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, type);
break;
case GDK_KEY_PRESS:
ret = key_press_handler (item, event, type);
break;
case GDK_KEY_RELEASE:
ret = key_release_handler (item, event, type);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_region_view_event (GdkEvent *event, ArdourCanvas::Item* item, RegionView *rv)
{
bool ret = false;
if (!rv->sensitive ()) {
return false;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &rv->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
ret = button_press_handler (item, event, RegionItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, RegionItem);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
set_entered_regionview (rv);
ret = enter_handler (item, event, RegionItem);
break;
case GDK_LEAVE_NOTIFY:
if (event->crossing.detail != GDK_NOTIFY_INFERIOR) {
set_entered_regionview (0);
ret = leave_handler (item, event, RegionItem);
}
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_wave_view_event (GdkEvent *event, ArdourCanvas::Item* item, RegionView* rv)
{
/* we only care about enter events here, required for mouse/cursor
* tracking. there is a non-linear (non-child/non-parent) relationship
* between various components of a regionview and so when we leave one
* of them (e.g. a trim handle) and enter another (e.g. the waveview)
* no other items get notified. enter/leave handling does not propagate
* in the same way as other events, so we need to catch this because
* entering (and leaving) the waveview is equivalent to
* entering/leaving the regionview (which is why it is passed in as a
* third argument).
*
* And in fact, we really only care about enter events.
*/
bool ret = false;
if (!rv->sensitive ()) {
return false;
}
switch (event->type) {
case GDK_ENTER_NOTIFY:
set_entered_regionview (rv);
ret = enter_handler (item, event, WaveItem);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_stream_view_event (GdkEvent *event, ArdourCanvas::Item* item, RouteTimeAxisView *tv)
{
bool ret = FALSE;
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_regionview = 0;
clicked_control_point = 0;
clicked_axisview = tv;
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
ret = button_press_handler (item, event, StreamItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, StreamItem);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
set_entered_track (tv);
ret = enter_handler (item, event, StreamItem);
break;
case GDK_LEAVE_NOTIFY:
if (event->crossing.detail != GDK_NOTIFY_INFERIOR) {
set_entered_track (0);
}
ret = leave_handler (item, event, StreamItem);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_automation_track_event (GdkEvent *event, ArdourCanvas::Item* item, AutomationTimeAxisView *atv)
{
if (atv->parameter().type() == MidiVelocityAutomation) {
/* no event handling for velocity tracks until we can make the
automation control affect note velocity.
*/
return false;
}
bool ret = false;
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_regionview = 0;
clicked_control_point = 0;
clicked_axisview = atv;
clicked_routeview = 0;
ret = button_press_handler (item, event, AutomationTrackItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, AutomationTrackItem);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, AutomationTrackItem);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, AutomationTrackItem);
break;
case GDK_KEY_PRESS:
if (_drags->active()) {
return _drags->mid_drag_key_event (&event->key);
}
break;
case GDK_KEY_RELEASE:
if (_drags->active()) {
return _drags->mid_drag_key_event (&event->key);
}
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_start_xfade_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
{
if (!rv->sensitive()) {
return false;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &rv->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
if (event->button.button == 3) {
return button_press_handler (item, event, StartCrossFadeItem);
}
break;
case GDK_BUTTON_RELEASE:
if (event->button.button == 3) {
return button_release_handler (item, event, StartCrossFadeItem);
}
break;
default:
break;
}
/* In Mixbus, the crossfade area is used to trim the region while leaving the fade anchor intact (see preserve_fade_anchor)*/
/* however in A3 this feature is unfinished, and it might be better to do it with a modifier-trim instead, anyway */
/* if we return RegionItem here then we avoid the issue until it is resolved later */
return typed_event (item, event, RegionItem); // StartCrossFadeItem);
}
bool
Editor::canvas_end_xfade_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
{
if (!rv->sensitive()) {
return false;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &rv->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
if (event->button.button == 3) {
return button_press_handler (item, event, EndCrossFadeItem);
}
break;
case GDK_BUTTON_RELEASE:
if (event->button.button == 3) {
return button_release_handler (item, event, EndCrossFadeItem);
}
break;
default:
break;
}
/* In Mixbus, the crossfade area is used to trim the region while leaving the fade anchor intact (see preserve_fade_anchor)*/
/* however in A3 this feature is unfinished, and it might be better to do it with a modifier-trim instead, anyway */
/* if we return RegionItem here then we avoid the issue until it is resolved later */
return typed_event (item, event, RegionItem); // EndCrossFadeItem);
}
bool
Editor::canvas_fade_in_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
{
/* we handle only button 3 press/release events */
if (!rv->sensitive()) {
return false;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &rv->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
if (event->button.button == 3) {
return button_press_handler (item, event, FadeInItem);
}
break;
case GDK_BUTTON_RELEASE:
if (event->button.button == 3) {
return button_release_handler (item, event, FadeInItem);
}
break;
default:
break;
}
/* proxy for the regionview, except enter/leave events */
if (event->type == GDK_ENTER_NOTIFY || event->type == GDK_LEAVE_NOTIFY) {
return true;
} else {
return canvas_region_view_event (event, rv->get_canvas_group(), rv);
}
}
bool
Editor::canvas_fade_in_handle_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv, bool trim)
{
bool ret = false;
if (!rv->sensitive()) {
return false;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &rv->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
ret = button_press_handler (item, event, trim ? FadeInTrimHandleItem : FadeInHandleItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, trim ? FadeInTrimHandleItem : FadeInHandleItem);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, trim ? FadeInTrimHandleItem : FadeInHandleItem);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, trim ? FadeInTrimHandleItem : FadeInHandleItem);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_fade_out_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
{
/* we handle only button 3 press/release events */
if (!rv->sensitive()) {
return false;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &rv->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
if (event->button.button == 3) {
return button_press_handler (item, event, FadeOutItem);
}
break;
case GDK_BUTTON_RELEASE:
if (event->button.button == 3) {
return button_release_handler (item, event, FadeOutItem);
}
break;
default:
break;
}
/* proxy for the regionview, except enter/leave events */
if (event->type == GDK_ENTER_NOTIFY || event->type == GDK_LEAVE_NOTIFY) {
return true;
} else {
return canvas_region_view_event (event, rv->get_canvas_group(), rv);
}
}
bool
Editor::canvas_fade_out_handle_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv, bool trim)
{
bool ret = false;
if (!rv->sensitive()) {
return false;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &rv->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
ret = button_press_handler (item, event, trim ? FadeOutTrimHandleItem : FadeOutHandleItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, trim ? FadeOutTrimHandleItem : FadeOutHandleItem);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, trim ? FadeOutTrimHandleItem : FadeOutHandleItem);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, trim ? FadeOutTrimHandleItem : FadeOutHandleItem);
break;
default:
break;
}
return ret;
}
struct DescendingRegionLayerSorter {
bool operator()(std::shared_ptr<Region> a, std::shared_ptr<Region> b) {
return a->layer() > b->layer();
}
};
bool
Editor::canvas_control_point_event (GdkEvent *event, ArdourCanvas::Item* item, ControlPoint* cp)
{
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_control_point = cp;
clicked_axisview = &cp->line().trackview;
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
clicked_regionview = 0;
break;
default:
break;
}
return typed_event (item, event, ControlPointItem);
}
bool
Editor::canvas_velocity_event (GdkEvent *event, ArdourCanvas::Item* item)
{
// std::cerr << "Velocity event: " << Gtkmm2ext::event_type_string (event->type) << std::endl;
return typed_event (item, event, VelocityItem);
}
bool
Editor::canvas_line_event (GdkEvent *event, ArdourCanvas::Item* item, AutomationLine* al)
{
ItemType type;
AudioRegionGainLine* gl;
if ((gl = dynamic_cast<AudioRegionGainLine*> (al)) != 0) {
type = GainLineItem;
if (event->type == GDK_BUTTON_PRESS) {
clicked_regionview = &gl->region_view ();
}
} else {
type = AutomationLineItem;
if (event->type == GDK_BUTTON_PRESS) {
clicked_regionview = 0;
}
}
clicked_control_point = 0;
clicked_axisview = &al->trackview;
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
return typed_event (item, event, type);
}
bool
Editor::canvas_selection_rect_event (GdkEvent *event, ArdourCanvas::Item* item, SelectionRect* rect)
{
bool ret = false;
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_selection = rect->id;
ret = button_press_handler (item, event, SelectionItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, SelectionItem);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
/* Don't need these at the moment. */
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, SelectionItem);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, SelectionItem);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_selection_start_trim_event (GdkEvent *event, ArdourCanvas::Item* item, SelectionRect* rect)
{
bool ret = false;
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_selection = rect->id;
ret = button_press_handler (item, event, StartSelectionTrimItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, StartSelectionTrimItem);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, StartSelectionTrimItem);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, StartSelectionTrimItem);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_selection_end_trim_event (GdkEvent *event, ArdourCanvas::Item* item, SelectionRect* rect)
{
bool ret = false;
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_selection = rect->id;
ret = button_press_handler (item, event, EndSelectionTrimItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, EndSelectionTrimItem);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, EndSelectionTrimItem);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, EndSelectionTrimItem);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_frame_handle_event (GdkEvent* event, ArdourCanvas::Item* item, RegionView* rv)
{
bool ret = false;
/* frame handles are not active when in internal edit mode, because actual notes
might be in the area occupied by the handle - we want them to be editable as normal.
*/
if (internal_editing() || !rv->sensitive()) {
return false;
}
/* NOTE: frame handles pretend to be the colored trim bar from an event handling
perspective. XXX change this ??
*/
ItemType type;
if (item->get_data ("isleft")) {
type = LeftFrameHandle;
} else {
type = RightFrameHandle;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &clicked_regionview->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
ret = button_press_handler (item, event, type);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, type);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, type);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, type);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_region_view_name_highlight_event (GdkEvent* event, ArdourCanvas::Item* item, RegionView* rv)
{
bool ret = false;
if (!rv->sensitive()) {
return false;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &clicked_regionview->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
ret = button_press_handler (item, event, RegionViewNameHighlight);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, RegionViewNameHighlight);
break;
case GDK_MOTION_NOTIFY:
motion_handler (item, event);
ret = true; // force this to avoid propagating the event into the regionview
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, RegionViewNameHighlight);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, RegionViewNameHighlight);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_region_view_name_event (GdkEvent *event, ArdourCanvas::Item* item, RegionView* rv)
{
bool ret = false;
if (!rv->sensitive()) {
return false;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &clicked_regionview->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
ret = button_press_handler (item, event, RegionViewName);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, RegionViewName);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, RegionViewName);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, RegionViewName);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_feature_line_event (GdkEvent *event, ArdourCanvas::Item* item, RegionView*)
{
bool ret = false;
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_regionview = 0;
clicked_control_point = 0;
clicked_axisview = 0;
clicked_routeview = 0; //dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
ret = button_press_handler (item, event, FeatureLineItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, FeatureLineItem);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, FeatureLineItem);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, FeatureLineItem);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_marker_event (GdkEvent *event, ArdourCanvas::Item* item, ArdourMarker* /*marker*/)
{
return typed_event (item, event, MarkerItem);
}
bool
Editor::canvas_selection_marker_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, SelectionMarkerItem);
}
bool
Editor::canvas_videotl_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, VideoBarItem);
}
bool
Editor::canvas_tempo_marker_event (GdkEvent *event, ArdourCanvas::Item* item, TempoMarker* marker)
{
return typed_event (item, event, TempoMarkerItem);
}
bool
Editor::canvas_tempo_curve_event (GdkEvent *event, ArdourCanvas::Item* item, TempoCurve* /*marker*/)
{
return typed_event (item, event, TempoCurveItem);
}
bool
Editor::canvas_meter_marker_event (GdkEvent *event, ArdourCanvas::Item* item, MeterMarker* /*marker*/)
{
return typed_event (item, event, MeterMarkerItem);
}
bool
Editor::canvas_bbt_marker_event (GdkEvent *event, ArdourCanvas::Item* item, BBTMarker* /*marker*/)
{
return typed_event (item, event, BBTMarkerItem);
}
bool
Editor::canvas_ruler_event (GdkEvent *event, ArdourCanvas::Item* item, ItemType type)
{
bool handled = false;
if (event->type == GDK_SCROLL) {
/* scroll events in the rulers are handled a little differently from
scrolling elsewhere in the canvas.
*/
switch (event->scroll.direction) {
case GDK_SCROLL_UP:
if (Keyboard::modifier_state_equals (event->scroll.state, Keyboard::ScrollHorizontalModifier)) {
scroll_left_step ();
} else if (UIConfiguration::instance().get_use_mouse_position_as_zoom_focus_on_scroll()) {
temporal_zoom_step_mouse_focus (false);
} else if (Keyboard::modifier_state_equals (event->scroll.state, Keyboard::PrimaryModifier)) {
temporal_zoom_step_mouse_focus (false);
} else {
temporal_zoom_step (false);
}
handled = true;
break;
case GDK_SCROLL_DOWN:
if (Keyboard::modifier_state_equals (event->scroll.state, Keyboard::ScrollHorizontalModifier)) {
scroll_right_step ();
} else if (UIConfiguration::instance().get_use_mouse_position_as_zoom_focus_on_scroll()) {
temporal_zoom_step_mouse_focus (true);
} else if (Keyboard::modifier_state_equals (event->scroll.state, Keyboard::PrimaryModifier)) {
temporal_zoom_step_mouse_focus (true);
} else {
temporal_zoom_step (true);
}
handled = true;
break;
case GDK_SCROLL_LEFT:
scroll_left_half_page ();
handled = true;
break;
case GDK_SCROLL_RIGHT:
scroll_right_half_page ();
handled = true;
break;
default:
/* what? */
break;
}
return handled;
}
return typed_event (item, event, type);
}
bool
Editor::canvas_ruler_bar_event (GdkEvent *event, ArdourCanvas::Item* item, ItemType type, std::string const& color_name)
{
/* XXX consolidate with Editor::canvas_ruler_event ? */
switch (event->type) {
case GDK_ENTER_NOTIFY:
if (event->crossing.detail != GDK_NOTIFY_INFERIOR) {
item->set_fill_color (Gtkmm2ext::HSV(UIConfiguration::instance().color_mod (color_name, "marker bar")).lighter(0.20).color());
}
break;
case GDK_LEAVE_NOTIFY:
if (event->crossing.detail != GDK_NOTIFY_INFERIOR) {
item->set_fill_color (UIConfiguration::instance().color_mod (color_name, "marker bar"));
}
break;
default:
break;
};
return typed_event (item, event, type);
}
bool
Editor::canvas_playhead_cursor_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, PlayheadCursorItem);
}
bool
Editor::canvas_note_event (GdkEvent *event, ArdourCanvas::Item* item)
{
if (!internal_editing()) {
return false;
}
return typed_event (item, event, NoteItem);
}
bool
Editor::canvas_drop_zone_event (GdkEvent* event)
{
GdkEventScroll scroll;
ArdourCanvas::Duple winpos;
switch (event->type) {
case GDK_BUTTON_RELEASE:
if (event->button.button == 1) {
begin_reversible_selection_op (X_("Nowhere Click"));
selection->clear_objects ();
selection->clear_tracks ();
commit_reversible_selection_op ();
}
break;
case GDK_SCROLL:
/* convert coordinates back into window space so that
we can just call canvas_scroll_event().
*/
winpos = _track_canvas->canvas_to_window (Duple (event->scroll.x, event->scroll.y));
scroll = event->scroll;
scroll.x = winpos.x;
scroll.y = winpos.y;
return canvas_scroll_event (&scroll, true);
break;
case GDK_ENTER_NOTIFY:
return typed_event (_canvas_drop_zone, event, DropZoneItem);
case GDK_LEAVE_NOTIFY:
return typed_event (_canvas_drop_zone, event, DropZoneItem);
case GDK_MOTION_NOTIFY:
return motion_handler (_canvas_drop_zone, event);
break;
default:
break;
}
return true;
}
bool
Editor::track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const& context, int x, int y, guint time)
{
std::shared_ptr<Region> region;
std::shared_ptr<Region> region_copy;
RouteTimeAxisView* rtav;
GdkEvent event;
double px;
double py;
string target = _track_canvas->drag_dest_find_target (context, _track_canvas->drag_dest_get_target_list());
if (target.empty()) {
return false;
}
event.type = GDK_MOTION_NOTIFY;
event.button.x = x;
event.button.y = y;
/* assume we're dragging with button 1 */
event.motion.state = Gdk::BUTTON1_MASK;
(void) window_event_sample (&event, &px, &py);
std::pair<TimeAxisView*, int> const tv = trackview_by_y_position (py, false);
bool can_drop = false;
if (tv.first != 0) {
/* over a time axis view of some kind */
rtav = dynamic_cast<RouteTimeAxisView*> (tv.first);
if (rtav != 0 && rtav->is_track ()) {
/* over a track, not a bus */
can_drop = true;
}
} else {
/* not over a time axis view, so drop is possible */
can_drop = true;
}
if (can_drop) {
if (target == "x-ardour/region.pbdid") {
if (tv.first == 0 && pbdid_dragged_dt != DataType::NIL) {
/* drop to drop-zone */
context->drag_status (Gdk::ACTION_COPY, time);
return true;
}
if ((pbdid_dragged_dt == DataType::AUDIO && dynamic_cast<AudioTimeAxisView*> (tv.first) != 0) ||
(pbdid_dragged_dt == DataType::MIDI && dynamic_cast<MidiTimeAxisView*> (tv.first) != 0)) {
/* audio to audio OR MIDI to MIDI */
context->drag_status (Gdk::ACTION_COPY, time);
return true;
}
} else {
/* DND originating from outside ardour
*
* TODO: check if file is audio/midi, allow drops on same track-type only,
* currently: if audio is dropped on a midi-track, it is only added to the region-list
*/
if (UIConfiguration::instance().get_only_copy_imported_files()) {
context->drag_status(Gdk::ACTION_COPY, time);
} else {
if ((context->get_actions() & (Gdk::ACTION_COPY | Gdk::ACTION_LINK | Gdk::ACTION_MOVE)) == Gdk::ACTION_COPY) {
context->drag_status(Gdk::ACTION_COPY, time);
} else {
context->drag_status(Gdk::ACTION_LINK, time);
}
}
return true;
}
}
/* no drop here */
context->drag_status (Gdk::DragAction (0), time);
return false;
}
void
Editor::drop_regions (const Glib::RefPtr<Gdk::DragContext>& /*context*/,
int x, int y,
const SelectionData& data,
guint /*info*/, guint /*time*/)
{
GdkEvent event;
double px;
double py;
event.type = GDK_MOTION_NOTIFY;
event.button.x = x;
event.button.y = y;
/* assume we're dragging with button 1 */
event.motion.state = Gdk::BUTTON1_MASK;
samplepos_t const pos = window_event_sample (&event, &px, &py);
PBD::ID rid (data.get_data_as_string ());
std::shared_ptr<Region> region = RegionFactory::region_by_id (rid);
if (!region) { return; }
RouteTimeAxisView* rtav = 0;
std::pair<TimeAxisView*, int> const tv = trackview_by_y_position (py, false);
if (tv.first != 0) {
rtav = dynamic_cast<RouteTimeAxisView*> (tv.first);
} else {
try {
if (std::dynamic_pointer_cast<AudioRegion> (region)) {
uint32_t output_chan = region->sources().size();
if ((Config->get_output_auto_connect() & AutoConnectMaster) && session()->master_out()) {
output_chan = session()->master_out()->n_inputs().n_audio();
}
list<std::shared_ptr<AudioTrack> > audio_tracks;
audio_tracks = session()->new_audio_track (region->sources().size(), output_chan, 0, 1, region->name(), PresentationInfo::max_order);
rtav = dynamic_cast<RouteTimeAxisView*> (time_axis_view_from_stripable (audio_tracks.front()));
} else if (std::dynamic_pointer_cast<MidiRegion> (region)) {
ChanCount one_midi_port (DataType::MIDI, 1);
list<std::shared_ptr<MidiTrack> > midi_tracks;
midi_tracks = session()->new_midi_track (one_midi_port, one_midi_port,
Config->get_strict_io () || Profile->get_mixbus (),
std::shared_ptr<ARDOUR::PluginInfo>(),
(ARDOUR::Plugin::PresetRecord*) 0,
(ARDOUR::RouteGroup*) 0, 1, region->name(), PresentationInfo::max_order, Normal, true);
rtav = dynamic_cast<RouteTimeAxisView*> (time_axis_view_from_stripable (midi_tracks.front()));
} else {
return;
}
} catch (...) {
error << _("Could not create new track after region placed in the drop zone") << endmsg;
return;
}
}
if (rtav != 0 && rtav->is_track ()) {
std::shared_ptr<Region> region_copy = RegionFactory::create (region, true);
if ((std::dynamic_pointer_cast<AudioRegion> (region_copy) != 0 && dynamic_cast<AudioTimeAxisView*> (rtav) != 0) ||
(std::dynamic_pointer_cast<MidiRegion> (region_copy) != 0 && dynamic_cast<MidiTimeAxisView*> (rtav) != 0)) {
_drags->set (new RegionInsertDrag (this, region_copy, rtav, timepos_t (pos), drag_time_domain (region_copy.get())), &event);
_drags->end_grab (&event);
}
}
}
bool
Editor::key_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType)
{
return false;
}
bool
Editor::key_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType type)
{
bool handled = false;
switch (type) {
case TempoMarkerItem:
switch (event->key.keyval) {
case GDK_Delete:
remove_tempo_marker (item);
handled = true;
break;
default:
break;
}
break;
case MeterMarkerItem:
switch (event->key.keyval) {
case GDK_Delete:
remove_meter_marker (item);
handled = true;
break;
default:
break;
}
break;
default:
break;
}
return handled;
}