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ardour/gtk2_ardour/editor_canvas_events.cc
David Robillard e0aaed6d65 *** NEW CODING POLICY *** 
All #include statements that include a header that is a part of a library
bundled with ardour MUST use quotes, not angle brackets.

Do this:

#include "ardour/types.h"

NOT this:

#include <ardour/types.h>

Rationale:

This is best practice in general, to ensure we include the local version
and not the system version.  That quotes mean "local" (in some sense)
and angle brackets mean "system" (in some sense) is a ubiquitous
convention and IIRC right in the C spec somewhere.

More pragmatically, this is required by (my) waf (stuff) for dependencies
to work correctly.  That is:

!!! FAILURE TO DO THIS CAN RESULT IN BROKEN BUILDS !!!

Failure to comply is punishable by death by torture. :)

P.S. It's not that dramatic in all cases, but this (in combination with some
GCC flags specific to the include type) is the best way I have found to be
absolutely 100% positive the local ones are being used (and we definitely
want to be absolutely 100% positive on that one).


git-svn-id: svn://localhost/ardour2/branches/3.0@4655 d708f5d6-7413-0410-9779-e7cbd77b26cf
2009-02-25 18:26:51 +00:00

896 lines
20 KiB
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/*
Copyright (C) 2000 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <cstdlib>
#include <cmath>
#include <algorithm>
#include <typeinfo>
#include "pbd/stacktrace.h"
#include "ardour/audio_diskstream.h"
#include "ardour/audioplaylist.h"
#include "editor.h"
#include "keyboard.h"
#include "public_editor.h"
#include "audio_region_view.h"
#include "audio_streamview.h"
#include "crossfade_view.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 "canvas_impl.h"
#include "simplerect.h"
#include "interactive-item.h"
#include "i18n.h"
using namespace sigc;
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace ArdourCanvas;
bool
Editor::track_canvas_scroll (GdkEventScroll* ev)
{
int x, y;
double wx, wy;
nframes64_t xdelta;
int direction = ev->direction;
Gnome::Canvas::Item* item = track_canvas->get_item_at(ev->x, ev->y);
InteractiveItem* interactive_item = dynamic_cast<InteractiveItem*>(item);
if (interactive_item) {
return interactive_item->on_event(reinterpret_cast<GdkEvent*>(ev));
}
retry:
switch (direction) {
case GDK_SCROLL_UP:
if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
//if (ev->state == GDK_CONTROL_MASK) {
/* XXX
the ev->x will be out of step with the canvas
if we're in mid zoom, so we have to get the damn mouse
pointer again
*/
track_canvas->get_pointer (x, y);
track_canvas->window_to_world (x, y, wx, wy);
GdkEvent event;
event.type = GDK_BUTTON_RELEASE;
event.button.x = wx;
event.button.y = wy;
nframes64_t where = event_frame (&event, 0, 0);
temporal_zoom_to_frame (false, where);
return true;
} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
direction = GDK_SCROLL_LEFT;
goto retry;
} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
if (!current_stepping_trackview) {
step_timeout = Glib::signal_timeout().connect (mem_fun(*this, &Editor::track_height_step_timeout), 500);
std::pair<TimeAxisView*, int> const p = trackview_by_y_position (ev->y + vertical_adjustment.get_value() - canvas_timebars_vsize);
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_tracks_up_line ();
return true;
}
break;
case GDK_SCROLL_DOWN:
if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
//if (ev->state == GDK_CONTROL_MASK) {
track_canvas->get_pointer (x, y);
track_canvas->window_to_world (x, y, wx, wy);
GdkEvent event;
event.type = GDK_BUTTON_RELEASE;
event.button.x = wx;
event.button.y = wy;
nframes64_t where = event_frame (&event, 0, 0);
temporal_zoom_to_frame (true, where);
return true;
} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
direction = GDK_SCROLL_RIGHT;
goto retry;
} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
if (!current_stepping_trackview) {
step_timeout = Glib::signal_timeout().connect (mem_fun(*this, &Editor::track_height_step_timeout), 500);
std::pair<TimeAxisView*, int> const p = trackview_by_y_position (ev->y + vertical_adjustment.get_value() - canvas_timebars_vsize);
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_tracks_down_line ();
return true;
}
break;
case GDK_SCROLL_LEFT:
xdelta = (current_page_frames() / 8);
if (leftmost_frame > xdelta) {
reset_x_origin (leftmost_frame - xdelta);
} else {
reset_x_origin (0);
}
break;
case GDK_SCROLL_RIGHT:
xdelta = (current_page_frames() / 8);
if (max_frames - xdelta > leftmost_frame) {
reset_x_origin (leftmost_frame + xdelta);
} else {
reset_x_origin (max_frames - current_page_frames());
}
break;
default:
/* what? */
break;
}
return false;
}
bool
Editor::track_canvas_scroll_event (GdkEventScroll *event)
{
track_canvas->grab_focus();
track_canvas_scroll (event);
return false;
}
bool
Editor::track_canvas_button_press_event (GdkEventButton *event)
{
selection->clear ();
track_canvas->grab_focus();
return false;
}
bool
Editor::track_canvas_button_release_event (GdkEventButton *event)
{
if (drag_info.item) {
end_grab (drag_info.item, (GdkEvent*) event);
}
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::track_canvas_motion (GdkEvent *ev)
{
if (verbose_cursor_visible) {
verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (ev->motion.x + 10);
verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (ev->motion.y + 10);
}
return false;
}
bool
Editor::typed_event (ArdourCanvas::Item* item, GdkEvent *event, ItemType type)
{
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, type);
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_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, RegionItem);
break;
case GDK_ENTER_NOTIFY:
set_entered_track (&rv->get_time_axis_view ());
set_entered_regionview (rv);
break;
case GDK_LEAVE_NOTIFY:
set_entered_track (0);
set_entered_regionview (0);
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*>(tv);
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, StreamItem);
break;
case GDK_ENTER_NOTIFY:
set_entered_track (tv);
break;
case GDK_LEAVE_NOTIFY:
set_entered_track (0);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_automation_track_event (GdkEvent *event, ArdourCanvas::Item* item, AutomationTimeAxisView *atv)
{
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, AutomationTrackItem);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, AutomationTrackItem);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, AutomationTrackItem);
break;
default:
break;
}
return ret;
}
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 */
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 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, FadeInHandleItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, FadeInHandleItem);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event, FadeInHandleItem);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, FadeInHandleItem);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, 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 */
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 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, FadeOutHandleItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, FadeOutHandleItem);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event, FadeOutHandleItem);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, FadeOutHandleItem);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, FadeOutHandleItem);
break;
default:
break;
}
return ret;
}
struct DescendingRegionLayerSorter {
bool operator()(boost::shared_ptr<Region> a, boost::shared_ptr<Region> b) {
return a->layer() > b->layer();
}
};
bool
Editor::canvas_crossfade_view_event (GdkEvent* event, ArdourCanvas::Item* item, CrossfadeView* xfv)
{
/* we handle only button 3 press/release events */
switch (event->type) {
case GDK_BUTTON_PRESS:
clicked_crossfadeview = xfv;
clicked_axisview = &clicked_crossfadeview->get_time_axis_view();
if (event->button.button == 3) {
return button_press_handler (item, event, CrossfadeViewItem);
}
break;
case GDK_BUTTON_RELEASE:
if (event->button.button == 3) {
bool ret = button_release_handler (item, event, CrossfadeViewItem);
return ret;
}
break;
default:
break;
}
/* XXX do not forward double clicks */
if (event->type == GDK_2BUTTON_PRESS) {
return false;
}
/* proxy for the upper most regionview */
/* XXX really need to check if we are in the name highlight,
and proxy to that when required.
*/
TimeAxisView& tv (xfv->get_time_axis_view());
AudioTimeAxisView* atv;
if ((atv = dynamic_cast<AudioTimeAxisView*>(&tv)) != 0) {
if (atv->is_audio_track()) {
boost::shared_ptr<AudioPlaylist> pl;
if ((pl = boost::dynamic_pointer_cast<AudioPlaylist> (atv->get_diskstream()->playlist())) != 0) {
Playlist::RegionList* rl = pl->regions_at (event_frame (event));
if (!rl->empty()) {
DescendingRegionLayerSorter cmp;
rl->sort (cmp);
RegionView* rv = atv->view()->find_view (rl->front());
delete rl;
/* proxy */
return canvas_region_view_event (event, rv->get_canvas_group(), rv);
}
delete rl;
}
}
}
return TRUE;
}
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;
case GDK_SCROLL_UP:
break;
case GDK_SCROLL_DOWN:
break;
default:
break;
}
return typed_event (item, event, ControlPointItem);
}
bool
Editor::canvas_line_event (GdkEvent *event, ArdourCanvas::Item* item, AutomationLine* al)
{
ItemType type;
if (dynamic_cast<AudioRegionGainLine*> (al) != 0) {
type = GainLineItem;
} else {
type = AutomationLineItem;
}
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, SelectionItem);
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, StartSelectionTrimItem);
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, EndSelectionTrimItem);
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_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:
ret = motion_handler (item, event, RegionViewNameHighlight);
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, RegionViewName);
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_marker_event (GdkEvent *event, ArdourCanvas::Item* item, Marker* marker)
{
return typed_event (item, event, MarkerItem);
}
bool
Editor::canvas_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, MarkerBarItem);
}
bool
Editor::canvas_range_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, RangeMarkerBarItem);
}
bool
Editor::canvas_transport_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, TransportMarkerBarItem);
}
bool
Editor::canvas_cd_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, CdMarkerBarItem);
}
bool
Editor::canvas_tempo_marker_event (GdkEvent *event, ArdourCanvas::Item* item, TempoMarker* marker)
{
return typed_event (item, event, TempoMarkerItem);
}
bool
Editor::canvas_meter_marker_event (GdkEvent *event, ArdourCanvas::Item* item, MeterMarker* marker)
{
return typed_event (item, event, MeterMarkerItem);
}
bool
Editor::canvas_tempo_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, TempoBarItem);
}
bool
Editor::canvas_meter_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, MeterBarItem);
}
bool
Editor::canvas_playhead_cursor_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, PlayheadCursorItem);
}
bool
Editor::canvas_zoom_rect_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, NoItem);
}
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