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livetrax/gtk2_ardour/editor_drag.cc
Carl Hetherington 3825e3d51c Snap to grid when drawing MIDI regions. Fixes #3412. 
git-svn-id: svn://localhost/ardour2/branches/3.0@7679 d708f5d6-7413-0410-9779-e7cbd77b26cf
2010-08-25 12:23:52 +00:00

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/*
Copyright (C) 2009 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.
*/
#define __STDC_LIMIT_MACROS 1
#include <stdint.h>
#include "pbd/memento_command.h"
#include "pbd/basename.h"
#include "pbd/stateful_diff_command.h"
#include "ardour/session.h"
#include "ardour/dB.h"
#include "ardour/region_factory.h"
#include "editor.h"
#include "i18n.h"
#include "keyboard.h"
#include "audio_region_view.h"
#include "midi_region_view.h"
#include "ardour_ui.h"
#include "gui_thread.h"
#include "control_point.h"
#include "utils.h"
#include "region_gain_line.h"
#include "editor_drag.h"
#include "audio_time_axis.h"
#include "midi_time_axis.h"
#include "canvas-note.h"
#include "selection.h"
#include "midi_selection.h"
#include "automation_time_axis.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace Editing;
using namespace ArdourCanvas;
using Gtkmm2ext::Keyboard;
double const ControlPointDrag::_zero_gain_fraction = gain_to_slider_position (dB_to_coefficient (0.0));
DragManager::DragManager (Editor* e)
: _editor (e)
, _ending (false)
, _current_pointer_frame (0)
{
}
DragManager::~DragManager ()
{
abort ();
}
/** Call abort for each active drag */
void
DragManager::abort ()
{
_ending = true;
for (list<Drag*>::const_iterator i = _drags.begin(); i != _drags.end(); ++i) {
(*i)->abort ();
delete *i;
}
_drags.clear ();
_ending = false;
}
void
DragManager::add (Drag* d)
{
d->set_manager (this);
_drags.push_back (d);
}
void
DragManager::set (Drag* d, GdkEvent* e, Gdk::Cursor* c)
{
assert (_drags.empty ());
d->set_manager (this);
_drags.push_back (d);
start_grab (e, c);
}
void
DragManager::start_grab (GdkEvent* e, Gdk::Cursor* c)
{
_current_pointer_frame = _editor->event_frame (e, &_current_pointer_x, &_current_pointer_y);
for (list<Drag*>::const_iterator i = _drags.begin(); i != _drags.end(); ++i) {
(*i)->start_grab (e, c);
}
}
/** Call end_grab for each active drag.
* @return true if any drag reported movement having occurred.
*/
bool
DragManager::end_grab (GdkEvent* e)
{
_ending = true;
bool r = false;
for (list<Drag*>::iterator i = _drags.begin(); i != _drags.end(); ++i) {
bool const t = (*i)->end_grab (e);
if (t) {
r = true;
}
delete *i;
}
_drags.clear ();
_ending = false;
return r;
}
bool
DragManager::motion_handler (GdkEvent* e, bool from_autoscroll)
{
bool r = false;
_current_pointer_frame = _editor->event_frame (e, &_current_pointer_x, &_current_pointer_y);
for (list<Drag*>::iterator i = _drags.begin(); i != _drags.end(); ++i) {
bool const t = (*i)->motion_handler (e, from_autoscroll);
if (t) {
r = true;
}
}
return r;
}
bool
DragManager::have_item (ArdourCanvas::Item* i) const
{
list<Drag*>::const_iterator j = _drags.begin ();
while (j != _drags.end() && (*j)->item () != i) {
++j;
}
return j != _drags.end ();
}
Drag::Drag (Editor* e, ArdourCanvas::Item* i)
: _editor (e)
, _item (i)
, _pointer_frame_offset (0)
, _move_threshold_passed (false)
, _grab_frame (0)
, _last_pointer_frame (0)
{
}
void
Drag::swap_grab (ArdourCanvas::Item* new_item, Gdk::Cursor* cursor, uint32_t time)
{
_item->ungrab (0);
_item = new_item;
if (cursor == 0) {
cursor = _editor->which_grabber_cursor ();
}
_item->grab (Gdk::POINTER_MOTION_MASK | Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK, *cursor, time);
}
void
Drag::start_grab (GdkEvent* event, Gdk::Cursor *cursor)
{
if (cursor == 0) {
cursor = _editor->which_grabber_cursor ();
}
// if dragging with button2, the motion is x constrained, with Alt-button2 it is y constrained
if (Keyboard::is_button2_event (&event->button)) {
if (Keyboard::modifier_state_equals (event->button.state, Keyboard::SecondaryModifier)) {
_y_constrained = true;
_x_constrained = false;
} else {
_y_constrained = false;
_x_constrained = true;
}
} else {
_x_constrained = false;
_y_constrained = false;
}
_grab_frame = _editor->event_frame (event, &_grab_x, &_grab_y);
_grab_frame = adjusted_frame (_grab_frame, event);
_last_pointer_frame = _grab_frame;
_last_pointer_x = _grab_x;
_last_pointer_y = _grab_y;
_item->grab (Gdk::POINTER_MOTION_MASK|Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK,
*cursor,
event->button.time);
if (_editor->session() && _editor->session()->transport_rolling()) {
_was_rolling = true;
} else {
_was_rolling = false;
}
switch (_editor->snap_type()) {
case SnapToRegionStart:
case SnapToRegionEnd:
case SnapToRegionSync:
case SnapToRegionBoundary:
_editor->build_region_boundary_cache ();
break;
default:
break;
}
}
/** Call to end a drag `successfully'. Ungrabs item and calls
* subclass' finished() method.
*
* @param event GDK event, or 0.
* @return true if some movement occurred, otherwise false.
*/
bool
Drag::end_grab (GdkEvent* event)
{
_editor->stop_canvas_autoscroll ();
_item->ungrab (event ? event->button.time : 0);
finished (event, _move_threshold_passed);
_editor->hide_verbose_canvas_cursor();
return _move_threshold_passed;
}
nframes64_t
Drag::adjusted_frame (nframes64_t f, GdkEvent const * event, bool snap) const
{
nframes64_t pos = 0;
if (f > _pointer_frame_offset) {
pos = f - _pointer_frame_offset;
}
if (snap) {
_editor->snap_to_with_modifier (pos, event);
}
return pos;
}
nframes64_t
Drag::adjusted_current_frame (GdkEvent const * event, bool snap) const
{
return adjusted_frame (_drags->current_pointer_frame (), event, snap);
}
bool
Drag::motion_handler (GdkEvent* event, bool from_autoscroll)
{
/* check to see if we have moved in any way that matters since the last motion event */
if ( (!x_movement_matters() || _last_pointer_frame == adjusted_current_frame (event)) &&
(!y_movement_matters() || _last_pointer_y == _drags->current_pointer_y ()) ) {
return false;
}
pair<nframes64_t, int> const threshold = move_threshold ();
bool const old_move_threshold_passed = _move_threshold_passed;
if (!from_autoscroll && !_move_threshold_passed) {
bool const xp = (::llabs (adjusted_current_frame (event) - _grab_frame) >= threshold.first);
bool const yp = (::fabs ((_drags->current_pointer_y () - _grab_y)) >= threshold.second);
_move_threshold_passed = ((xp && x_movement_matters()) || (yp && y_movement_matters()));
}
if (active (_editor->mouse_mode) && _move_threshold_passed) {
if (event->motion.state & Gdk::BUTTON1_MASK || event->motion.state & Gdk::BUTTON2_MASK) {
if (!from_autoscroll) {
_editor->maybe_autoscroll (true, allow_vertical_autoscroll ());
}
motion (event, _move_threshold_passed != old_move_threshold_passed);
_last_pointer_x = _drags->current_pointer_x ();
_last_pointer_y = _drags->current_pointer_y ();
_last_pointer_frame = adjusted_current_frame (event);
return true;
}
}
return false;
}
/** Call to abort a drag. Ungrabs item and calls subclass's aborted () */
void
Drag::abort ()
{
if (_item) {
_item->ungrab (0);
}
aborted ();
_editor->stop_canvas_autoscroll ();
_editor->hide_verbose_canvas_cursor ();
}
RegionDrag::RegionDrag (Editor* e, ArdourCanvas::Item* i, RegionView* p, list<RegionView*> const & v)
: Drag (e, i),
_primary (p)
{
for (list<RegionView*>::const_iterator i = v.begin(); i != v.end(); ++i) {
_views.push_back (DraggingView (*i));
}
RegionView::RegionViewGoingAway.connect (death_connection, invalidator (*this), ui_bind (&RegionDrag::region_going_away, this, _1), gui_context());
}
void
RegionDrag::region_going_away (RegionView* v)
{
list<DraggingView>::iterator i = _views.begin ();
while (i != _views.end() && i->view != v) {
++i;
}
if (i != _views.end()) {
_views.erase (i);
}
}
RegionMotionDrag::RegionMotionDrag (Editor* e, ArdourCanvas::Item* i, RegionView* p, list<RegionView*> const & v, bool b)
: RegionDrag (e, i, p, v),
_dest_trackview (0),
_dest_layer (0),
_brushing (b),
_total_x_delta (0)
{
}
void
RegionMotionDrag::start_grab (GdkEvent* event, Gdk::Cursor *)
{
Drag::start_grab (event);
_editor->show_verbose_time_cursor (_last_frame_position, 10);
}
RegionMotionDrag::TimeAxisViewSummary
RegionMotionDrag::get_time_axis_view_summary ()
{
int32_t children = 0;
TimeAxisViewSummary sum;
_editor->visible_order_range (&sum.visible_y_low, &sum.visible_y_high);
/* get a bitmask representing the visible tracks */
for (TrackViewList::iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) {
RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*i);
TimeAxisView::Children children_list;
/* zeroes are audio/MIDI tracks. ones are other types. */
if (!rtv->hidden()) {
if (!rtv->is_track()) {
/* not an audio nor MIDI track */
sum.tracks = sum.tracks |= (0x01 << rtv->order());
}
sum.height_list[rtv->order()] = (*i)->current_height();
children = 1;
if ((children_list = rtv->get_child_list()).size() > 0) {
for (TimeAxisView::Children::iterator j = children_list.begin(); j != children_list.end(); ++j) {
sum.tracks = sum.tracks |= (0x01 << (rtv->order() + children));
sum.height_list[rtv->order() + children] = (*j)->current_height();
children++;
}
}
}
}
return sum;
}
bool
RegionMotionDrag::compute_y_delta (
TimeAxisView const * last_pointer_view, TimeAxisView* current_pointer_view,
int32_t last_pointer_layer, int32_t current_pointer_layer,
TimeAxisViewSummary const & tavs,
int32_t* pointer_order_span, int32_t* pointer_layer_span,
int32_t* canvas_pointer_order_span
)
{
if (_brushing) {
*pointer_order_span = 0;
*pointer_layer_span = 0;
return true;
}
bool clamp_y_axis = false;
/* the change in track order between this callback and the last */
*pointer_order_span = last_pointer_view->order() - current_pointer_view->order();
/* the change in layer between this callback and the last;
only meaningful if pointer_order_span == 0 (ie we've not moved tracks) */
*pointer_layer_span = last_pointer_layer - current_pointer_layer;
if (*pointer_order_span != 0) {
/* find the actual pointer span, in terms of the number of visible tracks;
to do this, we reduce |pointer_order_span| by the number of hidden tracks
over the span */
*canvas_pointer_order_span = *pointer_order_span;
if (last_pointer_view->order() >= current_pointer_view->order()) {
for (int32_t y = current_pointer_view->order(); y < last_pointer_view->order(); y++) {
if (tavs.height_list[y] == 0) {
*canvas_pointer_order_span--;
}
}
} else {
for (int32_t y = last_pointer_view->order(); y <= current_pointer_view->order(); y++) {
if (tavs.height_list[y] == 0) {
*canvas_pointer_order_span++;
}
}
}
for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end(); ++i) {
RegionView* rv = i->view;
if (rv->region()->locked()) {
continue;
}
double ix1, ix2, iy1, iy2;
rv->get_canvas_frame()->get_bounds (ix1, iy1, ix2, iy2);
rv->get_canvas_frame()->i2w (ix1, iy1);
iy1 += _editor->vertical_adjustment.get_value() - _editor->canvas_timebars_vsize;
/* get the new trackview for this particular region */
pair<TimeAxisView*, int> const tvp = _editor->trackview_by_y_position (iy1);
assert (tvp.first);
RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (tvp.first);
/* XXX: not sure that we should be passing canvas_pointer_order_span in here,
as surely this is a per-region thing... */
clamp_y_axis = y_movement_disallowed (
rtv->order(), last_pointer_view->order(), *canvas_pointer_order_span, tavs
);
if (clamp_y_axis) {
break;
}
}
} else if (_dest_trackview == current_pointer_view) {
if (current_pointer_layer == last_pointer_layer) {
/* No movement; clamp */
clamp_y_axis = true;
}
}
if (!clamp_y_axis) {
_dest_trackview = current_pointer_view;
_dest_layer = current_pointer_layer;
}
return clamp_y_axis;
}
double
RegionMotionDrag::compute_x_delta (GdkEvent const * event, nframes64_t* pending_region_position)
{
/* compute the amount of pointer motion in frames, and where
the region would be if we moved it by that much.
*/
*pending_region_position = adjusted_current_frame (event);
nframes64_t sync_frame;
nframes64_t sync_offset;
int32_t sync_dir;
sync_offset = _primary->region()->sync_offset (sync_dir);
/* we don't handle a sync point that lies before zero.
*/
if (sync_dir >= 0 || (sync_dir < 0 && *pending_region_position >= sync_offset)) {
sync_frame = *pending_region_position + (sync_dir*sync_offset);
_editor->snap_to_with_modifier (sync_frame, event);
*pending_region_position = _primary->region()->adjust_to_sync (sync_frame);
} else {
*pending_region_position = _last_frame_position;
}
if (*pending_region_position > max_frames - _primary->region()->length()) {
*pending_region_position = _last_frame_position;
}
double dx = 0;
if ((*pending_region_position != _last_frame_position) && x_move_allowed ()) {
/* x movement since last time */
dx = (static_cast<double> (*pending_region_position) - _last_frame_position) / _editor->frames_per_unit;
/* total x movement */
framecnt_t total_dx = *pending_region_position;
if (regions_came_from_canvas()) {
total_dx = total_dx - grab_frame () + _pointer_frame_offset;
}
/* check that no regions have gone off the start of the session */
for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end(); ++i) {
if ((i->view->region()->position() + total_dx) < 0) {
dx = 0;
*pending_region_position = _last_frame_position;
break;
}
}
_last_frame_position = *pending_region_position;
}
return dx;
}
void
RegionMotionDrag::motion (GdkEvent* event, bool first_move)
{
double y_delta = 0;
TimeAxisViewSummary tavs = get_time_axis_view_summary ();
vector<int32_t>::iterator j;
/* *pointer* variables reflect things about the pointer; as we may be moving
multiple regions, much detail must be computed per-region */
/* current_pointer_view will become the TimeAxisView that we're currently pointing at, and
current_pointer_layer the current layer on that TimeAxisView; in this code layer numbers
are with respect to how the view's layers are displayed; if we are in Overlaid mode, layer
is always 0 regardless of what the region's "real" layer is */
RouteTimeAxisView* current_pointer_view;
layer_t current_pointer_layer;
if (!check_possible (&current_pointer_view, &current_pointer_layer)) {
return;
}
/* TimeAxisView that we were pointing at last time we entered this method */
TimeAxisView const * const last_pointer_view = _dest_trackview;
/* the order of the track that we were pointing at last time we entered this method */
int32_t const last_pointer_order = last_pointer_view->order ();
/* the layer that we were pointing at last time we entered this method */
layer_t const last_pointer_layer = _dest_layer;
int32_t pointer_order_span;
int32_t pointer_layer_span;
int32_t canvas_pointer_order_span;
bool const clamp_y_axis = compute_y_delta (
last_pointer_view, current_pointer_view,
last_pointer_layer, current_pointer_layer, tavs,
&pointer_order_span, &pointer_layer_span,
&canvas_pointer_order_span
);
nframes64_t pending_region_position;
double const x_delta = compute_x_delta (event, &pending_region_position);
/*************************************************************
PREPARE TO MOVE
************************************************************/
if (x_delta == 0 && pointer_order_span == 0 && pointer_layer_span == 0 && !first_move) {
/* haven't reached next snap point, and we're not switching
trackviews nor layers. nothing to do.
*/
return;
}
/*************************************************************
MOTION
************************************************************/
pair<set<boost::shared_ptr<Playlist> >::iterator,bool> insert_result;
for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end(); ++i) {
RegionView* rv = i->view;
if (rv->region()->locked()) {
continue;
}
/* here we are calculating the y distance from the
top of the first track view to the top of the region
area of the track view that we're working on */
/* this x value is just a dummy value so that we have something
to pass to i2w () */
double ix1 = 0;
/* distance from the top of this track view to the region area
of our track view is always 1 */
double iy1 = 1;
/* convert to world coordinates, ie distance from the top of
the ruler section */
rv->get_canvas_frame()->i2w (ix1, iy1);
/* compensate for the ruler section and the vertical scrollbar position */
iy1 += _editor->get_trackview_group_vertical_offset ();
if (first_move) {
// hide any dependent views
rv->get_time_axis_view().hide_dependent_views (*rv);
/*
reparent to a non scrolling group so that we can keep the
region selection above all time axis views.
reparenting means we have to move the rv as the two
parent groups have different coordinates.
*/
rv->get_canvas_group()->property_y() = iy1 - 1;
rv->get_canvas_group()->reparent(*(_editor->_region_motion_group));
rv->fake_set_opaque (true);
}
/* current view for this particular region */
pair<TimeAxisView*, int> pos = _editor->trackview_by_y_position (iy1);
RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (pos.first);
if (pointer_order_span != 0 && !clamp_y_axis) {
/* INTER-TRACK MOVEMENT */
/* move through the height list to the track that the region is currently on */
vector<int32_t>::iterator j = tavs.height_list.begin ();
int32_t x = 0;
while (j != tavs.height_list.end () && x != rtv->order ()) {
++x;
++j;
}
y_delta = 0;
int32_t temp_pointer_order_span = canvas_pointer_order_span;
if (j != tavs.height_list.end ()) {
/* Account for layers in the original and
destination tracks. If we're moving around in layers we assume
that only one track is involved, so it's ok to use *pointer*
variables here. */
StreamView* lv = last_pointer_view->view ();
assert (lv);
/* move to the top of the last trackview */
if (lv->layer_display () == Stacked) {
y_delta -= (lv->layers() - last_pointer_layer - 1) * lv->child_height ();
}
StreamView* cv = current_pointer_view->view ();
assert (cv);
/* move to the right layer on the current trackview */
if (cv->layer_display () == Stacked) {
y_delta += (cv->layers() - current_pointer_layer - 1) * cv->child_height ();
}
/* And for being on a non-topmost layer on the new
track */
while (temp_pointer_order_span > 0) {
/* we're moving up canvas-wise,
so we need to find the next track height
*/
if (j != tavs.height_list.begin()) {
j--;
}
if (x != last_pointer_order) {
if ((*j) == 0) {
++temp_pointer_order_span;
}
}
y_delta -= (*j);
temp_pointer_order_span--;
}
while (temp_pointer_order_span < 0) {
y_delta += (*j);
if (x != last_pointer_order) {
if ((*j) == 0) {
--temp_pointer_order_span;
}
}
if (j != tavs.height_list.end()) {
j++;
}
temp_pointer_order_span++;
}
/* find out where we'll be when we move and set height accordingly */
pair<TimeAxisView*, int> const pos = _editor->trackview_by_y_position (iy1 + y_delta);
RouteTimeAxisView const * temp_rtv = dynamic_cast<RouteTimeAxisView*> (pos.first);
rv->set_height (temp_rtv->view()->child_height());
/* if you un-comment the following, the region colours will follow
the track colours whilst dragging; personally
i think this can confuse things, but never mind.
*/
//const GdkColor& col (temp_rtv->view->get_region_color());
//rv->set_color (const_cast<GdkColor&>(col));
}
}
if (pointer_order_span == 0 && pointer_layer_span != 0 && !clamp_y_axis) {
/* INTER-LAYER MOVEMENT in the same track */
y_delta = rtv->view()->child_height () * pointer_layer_span;
}
if (_brushing) {
_editor->mouse_brush_insert_region (rv, pending_region_position);
} else {
rv->move (x_delta, y_delta);
}
} /* foreach region */
_total_x_delta += x_delta;
if (first_move) {
_editor->cursor_group->raise_to_top();
}
if (x_delta != 0 && !_brushing) {
_editor->show_verbose_time_cursor (_last_frame_position, 10);
}
}
void
RegionMoveDrag::motion (GdkEvent* event, bool first_move)
{
if (_copy && first_move) {
copy_regions (event);
}
RegionMotionDrag::motion (event, first_move);
}
void
RegionMoveDrag::finished (GdkEvent* /*event*/, bool movement_occurred)
{
if (!movement_occurred) {
/* just a click */
return;
}
/* reverse this here so that we have the correct logic to finalize
the drag.
*/
if (Config->get_edit_mode() == Lock) {
_x_constrained = !_x_constrained;
}
bool const changed_position = (_last_frame_position != (nframes64_t) (_primary->region()->position()));
bool const changed_tracks = (_dest_trackview != &_primary->get_time_axis_view());
framecnt_t const drag_delta = _primary->region()->position() - _last_frame_position;
_editor->update_canvas_now ();
if (_copy) {
finished_copy (
find_time_axis_views_and_layers (),
changed_position,
changed_tracks,
drag_delta
);
} else {
finished_no_copy (
find_time_axis_views_and_layers (),
changed_position,
changed_tracks,
drag_delta
);
}
}
void
RegionMoveDrag::finished_copy (
map<RegionView*, pair<RouteTimeAxisView*, int> > const & final,
bool const changed_position,
bool const changed_tracks,
framecnt_t const drag_delta
)
{
RegionSelection new_views;
PlaylistSet modified_playlists;
list<RegionView*> views_to_delete;
if (_brushing) {
/* all changes were made during motion event handlers */
for (list<DraggingView>::iterator i = _views.begin(); i != _views.end(); ++i) {
delete i->view;
}
_editor->commit_reversible_command ();
return;
}
if (_x_constrained) {
_editor->begin_reversible_command (_("fixed time region copy"));
} else {
_editor->begin_reversible_command (_("region copy"));
}
/* insert the regions into their new playlists */
for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end(); ++i) {
nframes64_t where;
if (i->view->region()->locked()) {
continue;
}
if (changed_position && !_x_constrained) {
where = i->view->region()->position() - drag_delta;
} else {
where = i->view->region()->position();
}
map<RegionView*, pair<RouteTimeAxisView*, int> >::const_iterator j = final.find (i->view);
assert (j != final.end());
RegionView* new_view = insert_region_into_playlist (
i->view->region(), j->second.first, j->second.second, where, modified_playlists
);
if (new_view == 0) {
continue;
}
new_views.push_back (new_view);
/* we don't need the copied RegionView any more */
views_to_delete.push_back (i->view);
}
/* Delete views that are no longer needed; we can't do this directly in the iteration over _views
because when views are deleted they are automagically removed from _views, which messes
up the iteration.
*/
for (list<RegionView*>::iterator i = views_to_delete.begin(); i != views_to_delete.end(); ++i) {
delete *i;
}
/* If we've created new regions either by copying or moving
to a new track, we want to replace the old selection with the new ones
*/
if (new_views.size() > 0) {
_editor->selection->set (new_views);
}
/* write commands for the accumulated diffs for all our modified playlists */
add_stateful_diff_commands_for_playlists (modified_playlists);
_editor->commit_reversible_command ();
}
void
RegionMoveDrag::finished_no_copy (
map<RegionView*, pair<RouteTimeAxisView*, int> > const & final,
bool const changed_position,
bool const changed_tracks,
framecnt_t const drag_delta
)
{
RegionSelection new_views;
PlaylistSet modified_playlists;
PlaylistSet frozen_playlists;
if (_brushing) {
/* all changes were made during motion event handlers */
_editor->commit_reversible_command ();
return;
}
if (_x_constrained) {
_editor->begin_reversible_command (_("fixed time region drag"));
} else {
_editor->begin_reversible_command (_("region drag"));
}
for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end(); ) {
RegionView* rv = i->view;
map<RegionView*, pair<RouteTimeAxisView*, int> >::const_iterator j = final.find (rv);
assert (j != final.end());
RouteTimeAxisView* dest_rtv = j->second.first;
layer_t dest_layer = j->second.second;
if (rv->region()->locked()) {
++i;
continue;
}
nframes64_t where;
if (changed_position && !_x_constrained) {
where = rv->region()->position() - drag_delta;
} else {
where = rv->region()->position();
}
if (changed_tracks) {
/* insert into new playlist */
RegionView* new_view = insert_region_into_playlist (
RegionFactory::create (rv->region ()), dest_rtv, dest_layer, where, modified_playlists
);
if (new_view == 0) {
++i;
continue;
}
new_views.push_back (new_view);
/* remove from old playlist */
/* the region that used to be in the old playlist is not
moved to the new one - we use a copy of it. as a result,
any existing editor for the region should no longer be
visible.
*/
rv->hide_region_editor();
rv->fake_set_opaque (false);
remove_region_from_playlist (rv->region(), i->initial_playlist, modified_playlists);
} else {
rv->region()->clear_history ();
/*
motion on the same track. plonk the previously reparented region
back to its original canvas group (its streamview).
No need to do anything for copies as they are fake regions which will be deleted.
*/
rv->get_canvas_group()->reparent (*dest_rtv->view()->canvas_item());
rv->get_canvas_group()->property_y() = i->initial_y;
rv->get_time_axis_view().reveal_dependent_views (*rv);
/* just change the model */
boost::shared_ptr<Playlist> playlist = dest_rtv->playlist();
if (dest_rtv->view()->layer_display() == Stacked) {
rv->region()->set_layer (dest_layer);
rv->region()->set_pending_explicit_relayer (true);
}
/* freeze playlist to avoid lots of relayering in the case of a multi-region drag */
pair<PlaylistSet::iterator, bool> r = frozen_playlists.insert (playlist);
if (r.second) {
playlist->freeze ();
}
rv->region()->set_position (where, (void*) this);
_editor->session()->add_command (new StatefulDiffCommand (rv->region()));
}
if (changed_tracks) {
/* OK, this is where it gets tricky. If the playlist was being used by >1 tracks, and the region
was selected in all of them, then removing it from a playlist will have removed all
trace of it from _views (i.e. there were N regions selected, we removed 1,
but since its the same playlist for N tracks, all N tracks updated themselves, removed the
corresponding regionview, and _views is now empty).
This could have invalidated any and all iterators into _views.
The heuristic we use here is: if the region selection is empty, break out of the loop
here. if the region selection is not empty, then restart the loop because we know that
we must have removed at least the region(view) we've just been working on as well as any
that we processed on previous iterations.
EXCEPT .... if we are doing a copy drag, then _views hasn't been modified and
we can just iterate.
*/
if (_views.empty()) {
break;
} else {
i = _views.begin();
}
} else {
++i;
}
}
/* If we've created new regions either by copying or moving
to a new track, we want to replace the old selection with the new ones
*/
if (new_views.size() > 0) {
_editor->selection->set (new_views);
}
for (set<boost::shared_ptr<Playlist> >::iterator p = frozen_playlists.begin(); p != frozen_playlists.end(); ++p) {
(*p)->thaw();
}
/* write commands for the accumulated diffs for all our modified playlists */
add_stateful_diff_commands_for_playlists (modified_playlists);
_editor->commit_reversible_command ();
}
/** Remove a region from a playlist, clearing the diff history of the playlist first if necessary.
* @param region Region to remove.
* @param playlist playlist To remove from.
* @param modified_playlists The playlist will be added to this if it is not there already; used to ensure
* that clear_history () is only called once per playlist.
*/
void
RegionMoveDrag::remove_region_from_playlist (
boost::shared_ptr<Region> region,
boost::shared_ptr<Playlist> playlist,
PlaylistSet& modified_playlists
)
{
pair<set<boost::shared_ptr<Playlist> >::iterator, bool> r = modified_playlists.insert (playlist);
if (r.second) {
playlist->clear_history ();
}
playlist->remove_region (region);
}
/** Insert a region into a playlist, handling the recovery of the resulting new RegionView, and
* clearing the playlist's diff history first if necessary.
* @param region Region to insert.
* @param dest_rtv Destination RouteTimeAxisView.
* @param dest_layer Destination layer.
* @param where Destination position.
* @param modified_playlists The playlist will be added to this if it is not there already; used to ensure
* that clear_history () is only called once per playlist.
* @return New RegionView, or 0 if no insert was performed.
*/
RegionView *
RegionMoveDrag::insert_region_into_playlist (
boost::shared_ptr<Region> region,
RouteTimeAxisView* dest_rtv,
layer_t dest_layer,
framecnt_t where,
PlaylistSet& modified_playlists
)
{
boost::shared_ptr<Playlist> dest_playlist = dest_rtv->playlist ();
if (!dest_playlist) {
return 0;
}
/* arrange to collect the new region view that will be created as a result of our playlist insertion */
_new_region_view = 0;
sigc::connection c = dest_rtv->view()->RegionViewAdded.connect (sigc::mem_fun (*this, &RegionMoveDrag::collect_new_region_view));
/* clear history for the playlist we are about to insert to, provided we haven't already done so */
pair<PlaylistSet::iterator, bool> r = modified_playlists.insert (dest_playlist);
if (r.second) {
dest_playlist->clear_history ();
}
dest_playlist->add_region (region, where);
if (dest_rtv->view()->layer_display() == Stacked) {
region->set_layer (dest_layer);
region->set_pending_explicit_relayer (true);
}
c.disconnect ();
assert (_new_region_view);
return _new_region_view;
}
void
RegionMoveDrag::collect_new_region_view (RegionView* rv)
{
_new_region_view = rv;
}
void
RegionMoveDrag::add_stateful_diff_commands_for_playlists (PlaylistSet const & playlists)
{
for (PlaylistSet::const_iterator i = playlists.begin(); i != playlists.end(); ++i) {
_editor->session()->add_command (new StatefulDiffCommand (*i));
}
}
void
RegionMoveDrag::aborted ()
{
if (_copy) {
for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end(); ++i) {
delete i->view;
}
_views.clear ();
} else {
RegionMotionDrag::aborted ();
}
}
void
RegionMotionDrag::aborted ()
{
for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end(); ++i) {
RegionView* rv = i->view;
TimeAxisView* tv = &(rv->get_time_axis_view ());
RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (tv);
assert (rtv);
rv->get_canvas_group()->reparent (*rtv->view()->canvas_item());
rv->get_canvas_group()->property_y() = 0;
rv->get_time_axis_view().reveal_dependent_views (*rv);
rv->fake_set_opaque (false);
rv->move (-_total_x_delta, 0);
rv->set_height (rtv->view()->child_height ());
}
_editor->update_canvas_now ();
}
bool
RegionMotionDrag::x_move_allowed () const
{
if (Config->get_edit_mode() == Lock) {
/* in locked edit mode, reverse the usual meaning of _x_constrained */
return _x_constrained;
}
return !_x_constrained;
}
void
RegionMotionDrag::copy_regions (GdkEvent* event)
{
/* duplicate the regionview(s) and region(s) */
list<DraggingView> new_regionviews;
for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end(); ++i) {
RegionView* rv = i->view;
AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(rv);
const boost::shared_ptr<const Region> original = rv->region();
boost::shared_ptr<Region> region_copy = RegionFactory::create (original);
region_copy->set_position (original->position(), this);
RegionView* nrv;
if (arv) {
boost::shared_ptr<AudioRegion> audioregion_copy
= boost::dynamic_pointer_cast<AudioRegion>(region_copy);
nrv = new AudioRegionView (*arv, audioregion_copy);
} else if (mrv) {
boost::shared_ptr<MidiRegion> midiregion_copy
= boost::dynamic_pointer_cast<MidiRegion>(region_copy);
nrv = new MidiRegionView (*mrv, midiregion_copy);
} else {
continue;
}
nrv->get_canvas_group()->show ();
new_regionviews.push_back (DraggingView (nrv));
/* swap _primary to the copy */
if (rv == _primary) {
_primary = nrv;
}
/* ..and deselect the one we copied */
rv->set_selected (false);
}
if (new_regionviews.empty()) {
return;
}
/* reflect the fact that we are dragging the copies */
_views = new_regionviews;
swap_grab (new_regionviews.front().view->get_canvas_group (), 0, event ? event->motion.time : 0);
/*
sync the canvas to what we think is its current state
without it, the canvas seems to
"forget" to update properly after the upcoming reparent()
..only if the mouse is in rapid motion at the time of the grab.
something to do with regionview creation taking so long?
*/
_editor->update_canvas_now();
}
bool
RegionMotionDrag::check_possible (RouteTimeAxisView** tv, layer_t* layer)
{
/* Which trackview is this ? */
pair<TimeAxisView*, int> const tvp = _editor->trackview_by_y_position (_drags->current_pointer_y ());
(*tv) = dynamic_cast<RouteTimeAxisView*> (tvp.first);
(*layer) = tvp.second;
if (*tv && (*tv)->layer_display() == Overlaid) {
*layer = 0;
}
/* The region motion is only processed if the pointer is over
an audio track.
*/
if (!(*tv) || !(*tv)->is_track()) {
/* To make sure we hide the verbose canvas cursor when the mouse is
not held over and audiotrack.
*/
_editor->hide_verbose_canvas_cursor ();
return false;
}
return true;
}
/** @param new_order New track order.
* @param old_order Old track order.
* @param visible_y_low Lowest visible order.
* @return true if y movement should not happen, otherwise false.
*/
bool
RegionMotionDrag::y_movement_disallowed (int new_order, int old_order, int y_span, TimeAxisViewSummary const & tavs) const
{
if (new_order != old_order) {
/* this isn't the pointer track */
if (y_span > 0) {
/* moving up the canvas */
if ( (new_order - y_span) >= tavs.visible_y_low) {
int32_t n = 0;
/* work out where we'll end up with this y span, taking hidden TimeAxisViews into account */
int32_t visible_tracks = 0;
while (visible_tracks < y_span ) {
visible_tracks++;
while (tavs.height_list[new_order - (visible_tracks - n)] == 0) {
/* passing through a hidden track */
n--;
}
}
if (tavs.tracks[new_order - (y_span - n)] != 0x00) {
/* moving to a non-track; disallow */
return true;
}
} else {
/* moving beyond the lowest visible track; disallow */
return true;
}
} else if (y_span < 0) {
/* moving down the canvas */
if ((new_order - y_span) <= tavs.visible_y_high) {
int32_t visible_tracks = 0;
int32_t n = 0;
while (visible_tracks > y_span ) {
visible_tracks--;
while (tavs.height_list[new_order - (visible_tracks - n)] == 0) {
/* passing through a hidden track */
n++;
}
}
if (tavs.tracks[new_order - (y_span - n)] != 0x00) {
/* moving to a non-track; disallow */
return true;
}
} else {
/* moving beyond the highest visible track; disallow */
return true;
}
}
} else {
/* this is the pointer's track */
if ((new_order - y_span) > tavs.visible_y_high) {
/* we will overflow */
return true;
} else if ((new_order - y_span) < tavs.visible_y_low) {
/* we will overflow */
return true;
}
}
return false;
}
RegionMoveDrag::RegionMoveDrag (Editor* e, ArdourCanvas::Item* i, RegionView* p, list<RegionView*> const & v, bool b, bool c)
: RegionMotionDrag (e, i, p, v, b),
_copy (c)
{
TimeAxisView* const tv = &_primary->get_time_axis_view ();
_dest_trackview = tv;
if (tv->layer_display() == Overlaid) {
_dest_layer = 0;
} else {
_dest_layer = _primary->region()->layer ();
}
double speed = 1;
RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (tv);
if (rtv && rtv->is_track()) {
speed = rtv->track()->speed ();
}
_last_frame_position = static_cast<nframes64_t> (_primary->region()->position() / speed);
}
void
RegionMoveDrag::start_grab (GdkEvent* event, Gdk::Cursor* c)
{
RegionMotionDrag::start_grab (event, c);
_pointer_frame_offset = grab_frame() - _last_frame_position;
}
RegionInsertDrag::RegionInsertDrag (Editor* e, boost::shared_ptr<Region> r, RouteTimeAxisView* v, nframes64_t pos)
: RegionMotionDrag (e, 0, 0, list<RegionView*> (), false)
{
assert ((boost::dynamic_pointer_cast<AudioRegion> (r) && dynamic_cast<AudioTimeAxisView*> (v)) ||
(boost::dynamic_pointer_cast<MidiRegion> (r) && dynamic_cast<MidiTimeAxisView*> (v)));
_primary = v->view()->create_region_view (r, false, false);
_primary->get_canvas_group()->show ();
_primary->set_position (pos, 0);
_views.push_back (DraggingView (_primary));
_last_frame_position = pos;
_item = _primary->get_canvas_group ();
_dest_trackview = v;
_dest_layer = _primary->region()->layer ();
}
map<RegionView*, pair<RouteTimeAxisView*, int> >
RegionMotionDrag::find_time_axis_views_and_layers ()
{
map<RegionView*, pair<RouteTimeAxisView*, int> > tav;
for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end(); ++i) {
double ix1, ix2, iy1, iy2;
RegionView* rv = i->view;
rv->get_canvas_frame()->get_bounds (ix1, iy1, ix2, iy2);
rv->get_canvas_frame()->i2w (ix1, iy1);
iy1 += _editor->vertical_adjustment.get_value() - _editor->canvas_timebars_vsize;
pair<TimeAxisView*, int> tv = _editor->trackview_by_y_position (iy1);
tav[rv] = make_pair (dynamic_cast<RouteTimeAxisView*> (tv.first), tv.second);
}
return tav;
}
void
RegionInsertDrag::finished (GdkEvent* /*event*/, bool /*movement_occurred*/)
{
_editor->update_canvas_now ();
map<RegionView*, pair<RouteTimeAxisView*, int> > final = find_time_axis_views_and_layers ();
RouteTimeAxisView* dest_rtv = final[_primary].first;
_primary->get_canvas_group()->reparent (*dest_rtv->view()->canvas_item());
_primary->get_canvas_group()->property_y() = 0;
boost::shared_ptr<Playlist> playlist = dest_rtv->playlist();
_editor->begin_reversible_command (_("insert region"));
playlist->clear_history ();
playlist->add_region (_primary->region (), _last_frame_position);
_editor->session()->add_command (new StatefulDiffCommand (playlist));
_editor->commit_reversible_command ();
delete _primary;
_primary = 0;
_views.clear ();
}
void
RegionInsertDrag::aborted ()
{
delete _primary;
_primary = 0;
_views.clear ();
}
RegionSpliceDrag::RegionSpliceDrag (Editor* e, ArdourCanvas::Item* i, RegionView* p, list<RegionView*> const & v)
: RegionMoveDrag (e, i, p, v, false, false)
{
}
struct RegionSelectionByPosition {
bool operator() (RegionView*a, RegionView* b) {
return a->region()->position () < b->region()->position();
}
};
void
RegionSpliceDrag::motion (GdkEvent* event, bool)
{
RouteTimeAxisView* tv;
layer_t layer;
if (!check_possible (&tv, &layer)) {
return;
}
int dir;
if ((_drags->current_pointer_x() - last_pointer_x()) > 0) {
dir = 1;
} else {
dir = -1;
}
RegionSelection copy (_editor->selection->regions);
RegionSelectionByPosition cmp;
copy.sort (cmp);
nframes64_t const pf = adjusted_current_frame (event);
for (RegionSelection::iterator i = copy.begin(); i != copy.end(); ++i) {
RouteTimeAxisView* atv = dynamic_cast<RouteTimeAxisView*> (&(*i)->get_time_axis_view());
if (!atv) {
continue;
}
boost::shared_ptr<Playlist> playlist;
if ((playlist = atv->playlist()) == 0) {
continue;
}
if (!playlist->region_is_shuffle_constrained ((*i)->region())) {
continue;
}
if (dir > 0) {
if (pf < (*i)->region()->last_frame() + 1) {
continue;
}
} else {
if (pf > (*i)->region()->first_frame()) {
continue;
}
}
playlist->shuffle ((*i)->region(), dir);
}
}
void
RegionSpliceDrag::finished (GdkEvent* /*event*/, bool)
{
}
void
RegionSpliceDrag::aborted ()
{
/* XXX: TODO */
}
RegionCreateDrag::RegionCreateDrag (Editor* e, ArdourCanvas::Item* i, TimeAxisView* v)
: Drag (e, i),
_view (dynamic_cast<MidiTimeAxisView*> (v))
{
assert (_view);
}
void
RegionCreateDrag::motion (GdkEvent* event, bool first_move)
{
if (first_move) {
/* don't use a zero-length region otherwise its region view will be hidden when it is created */
_region = _view->add_region (grab_frame(), 1, false);
} else {
framepos_t const f = adjusted_current_frame (event);
if (f < grab_frame()) {
_region->set_position (f, this);
}
/* again, don't use a zero-length region (see above) */
framecnt_t const len = abs (f - grab_frame ());
_region->set_length (len < 1 ? 1 : len, this);
}
}
void
RegionCreateDrag::finished (GdkEvent* event, bool movement_occurred)
{
if (movement_occurred) {
_editor->commit_reversible_command ();
}
}
void
RegionCreateDrag::aborted ()
{
/* XXX */
}
NoteResizeDrag::NoteResizeDrag (Editor* e, ArdourCanvas::Item* i)
: Drag (e, i)
, region (0)
{
}
void
NoteResizeDrag::start_grab (GdkEvent* event, Gdk::Cursor* /*ignored*/)
{
Gdk::Cursor* cursor;
ArdourCanvas::CanvasNote* cnote = dynamic_cast<ArdourCanvas::CanvasNote*>(_item);
Drag::start_grab (event);
region = &cnote->region_view();
double const region_start = region->get_position_pixels();
double const middle_point = region_start + cnote->x1() + (cnote->x2() - cnote->x1()) / 2.0L;
if (grab_x() <= middle_point) {
cursor = _editor->left_side_trim_cursor;
at_front = true;
} else {
cursor = _editor->right_side_trim_cursor;
at_front = false;
}
_item->grab(GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK, *cursor, event->motion.time);
if (event->motion.state & Keyboard::PrimaryModifier) {
relative = false;
} else {
relative = true;
}
MidiRegionSelection& ms (_editor->get_selection().midi_regions);
if (ms.size() > 1) {
/* has to be relative, may make no sense otherwise */
relative = true;
}
/* select this note; if it is already selected, preserve the existing selection,
otherwise make this note the only one selected.
*/
region->note_selected (cnote, cnote->selected ());
for (MidiRegionSelection::iterator r = ms.begin(); r != ms.end(); ) {
MidiRegionSelection::iterator next;
next = r;
++next;
(*r)->begin_resizing (at_front);
r = next;
}
}
void
NoteResizeDrag::motion (GdkEvent* /*event*/, bool /*first_move*/)
{
MidiRegionSelection& ms (_editor->get_selection().midi_regions);
for (MidiRegionSelection::iterator r = ms.begin(); r != ms.end(); ++r) {
(*r)->update_resizing (dynamic_cast<ArdourCanvas::CanvasNote*>(_item), at_front, _drags->current_pointer_x() - grab_x(), relative);
}
}
void
NoteResizeDrag::finished (GdkEvent*, bool /*movement_occurred*/)
{
MidiRegionSelection& ms (_editor->get_selection().midi_regions);
for (MidiRegionSelection::iterator r = ms.begin(); r != ms.end(); ++r) {
(*r)->commit_resizing (dynamic_cast<ArdourCanvas::CanvasNote*>(_item), at_front, _drags->current_pointer_x() - grab_x(), relative);
}
}
void
NoteResizeDrag::aborted ()
{
/* XXX: TODO */
}
void
RegionGainDrag::motion (GdkEvent* /*event*/, bool)
{
}
void
RegionGainDrag::finished (GdkEvent *, bool)
{
}
void
RegionGainDrag::aborted ()
{
/* XXX: TODO */
}
TrimDrag::TrimDrag (Editor* e, ArdourCanvas::Item* i, RegionView* p, list<RegionView*> const & v)
: RegionDrag (e, i, p, v)
, _have_transaction (false)
{
}
void
TrimDrag::start_grab (GdkEvent* event, Gdk::Cursor *)
{
double speed = 1.0;
TimeAxisView* tvp = &_primary->get_time_axis_view ();
RouteTimeAxisView* tv = dynamic_cast<RouteTimeAxisView*>(tvp);
if (tv && tv->is_track()) {
speed = tv->track()->speed();
}
nframes64_t const region_start = (nframes64_t) (_primary->region()->position() / speed);
nframes64_t const region_end = (nframes64_t) (_primary->region()->last_frame() / speed);
nframes64_t const region_length = (nframes64_t) (_primary->region()->length() / speed);
nframes64_t const pf = adjusted_current_frame (event);
if (Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
_operation = ContentsTrim;
Drag::start_grab (event, _editor->trimmer_cursor);
} else {
/* These will get overridden for a point trim.*/
if (pf < (region_start + region_length/2)) {
/* closer to start */
_operation = StartTrim;
Drag::start_grab (event, _editor->left_side_trim_cursor);
} else {
/* closer to end */
_operation = EndTrim;
Drag::start_grab (event, _editor->right_side_trim_cursor);
}
}
switch (_operation) {
case StartTrim:
_editor->show_verbose_time_cursor (region_start, 10);
break;
case EndTrim:
_editor->show_verbose_time_cursor (region_end, 10);
break;
case ContentsTrim:
_editor->show_verbose_time_cursor (pf, 10);
break;
}
}
void
TrimDrag::motion (GdkEvent* event, bool first_move)
{
RegionView* rv = _primary;
/* snap modifier works differently here..
its current state has to be passed to the
various trim functions in order to work properly
*/
double speed = 1.0;
TimeAxisView* tvp = &_primary->get_time_axis_view ();
RouteTimeAxisView* tv = dynamic_cast<RouteTimeAxisView*>(tvp);
pair<set<boost::shared_ptr<Playlist> >::iterator,bool> insert_result;
if (tv && tv->is_track()) {
speed = tv->track()->speed();
}
nframes64_t const pf = adjusted_current_frame (event);
if (first_move) {
string trim_type;
switch (_operation) {
case StartTrim:
trim_type = "Region start trim";
break;
case EndTrim:
trim_type = "Region end trim";
break;
case ContentsTrim:
trim_type = "Region content trim";
break;
}
_editor->begin_reversible_command (trim_type);
_have_transaction = true;
for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end(); ++i) {
RegionView* rv = i->view;
rv->fake_set_opaque(false);
rv->enable_display (false);
rv->region()->clear_history ();
rv->region()->suspend_property_changes ();
AudioRegionView* const arv = dynamic_cast<AudioRegionView*> (rv);
if (arv){
arv->temporarily_hide_envelope ();
}
boost::shared_ptr<Playlist> pl = rv->region()->playlist();
insert_result = _editor->motion_frozen_playlists.insert (pl);
if (insert_result.second) {
pl->freeze();
}
}
}
bool non_overlap_trim = false;
if (event && Keyboard::modifier_state_equals (event->button.state, Keyboard::TertiaryModifier)) {
non_overlap_trim = true;
}
switch (_operation) {
case StartTrim:
for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end(); ++i) {
_editor->single_start_trim (*i->view, pf, non_overlap_trim);
}
break;
case EndTrim:
for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end(); ++i) {
_editor->single_end_trim (*i->view, pf, non_overlap_trim);
}
break;
case ContentsTrim:
{
bool swap_direction = false;
if (event && Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
swap_direction = true;
}
nframes64_t frame_delta = 0;
bool left_direction = false;
if (last_pointer_frame() > pf) {
left_direction = true;
}
if (left_direction) {
frame_delta = (last_pointer_frame() - pf);
} else {
frame_delta = (pf - last_pointer_frame());
}
for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end(); ++i) {
_editor->single_contents_trim (*i->view, frame_delta, left_direction, swap_direction);
}
}
break;
}
switch (_operation) {
case StartTrim:
_editor->show_verbose_time_cursor((nframes64_t) (rv->region()->position()/speed), 10);
break;
case EndTrim:
_editor->show_verbose_time_cursor((nframes64_t) (rv->region()->last_frame()/speed), 10);
break;
case ContentsTrim:
_editor->show_verbose_time_cursor (pf, 10);
break;
}
}
void
TrimDrag::finished (GdkEvent* event, bool movement_occurred)
{
if (movement_occurred) {
motion (event, false);
if (!_editor->selection->selected (_primary)) {
_editor->thaw_region_after_trim (*_primary);
} else {
for (list<DraggingView>::const_iterator i = _views.begin(); i != _views.end(); ++i) {
_editor->thaw_region_after_trim (*i->view);
i->view->enable_display (true);
i->view->fake_set_opaque (true);
if (_have_transaction) {
_editor->session()->add_command (new StatefulDiffCommand (i->view->region()));
}
}
}
for (set<boost::shared_ptr<Playlist> >::iterator p = _editor->motion_frozen_playlists.begin(); p != _editor->motion_frozen_playlists.end(); ++p) {
(*p)->thaw ();
}
_editor->motion_frozen_playlists.clear ();
if (_have_transaction) {
_editor->commit_reversible_command();
}
} else {
/* no mouse movement */
_editor->point_trim (event, adjusted_current_frame (event));
}
}
void
TrimDrag::aborted ()
{
/* Our motion method is changing model state, so use the Undo system
to cancel. Perhaps not ideal, as this will leave an Undo point
behind which may be slightly odd from the user's point of view.
*/
finished (0, true);
if (_have_transaction) {
_editor->undo ();
}
}
MeterMarkerDrag::MeterMarkerDrag (Editor* e, ArdourCanvas::Item* i, bool c)
: Drag (e, i),
_copy (c)
{
_marker = reinterpret_cast<MeterMarker*> (_item->get_data ("marker"));
assert (_marker);
}
void
MeterMarkerDrag::start_grab (GdkEvent* event, Gdk::Cursor* cursor)
{
if (_copy) {
// create a dummy marker for visual representation of moving the copy.
// The actual copying is not done before we reach the finish callback.
char name[64];
snprintf (name, sizeof(name), "%g/%g", _marker->meter().beats_per_bar(), _marker->meter().note_divisor ());
MeterMarker* new_marker = new MeterMarker(*_editor, *_editor->meter_group, ARDOUR_UI::config()->canvasvar_MeterMarker.get(), name,
*new MeterSection (_marker->meter()));
_item = &new_marker->the_item ();
_marker = new_marker;
} else {
MetricSection& section (_marker->meter());
if (!section.movable()) {
return;
}
}
Drag::start_grab (event, cursor);
_pointer_frame_offset = grab_frame() - _marker->meter().frame();
_editor->show_verbose_time_cursor (adjusted_current_frame(event), 10);
}
void
MeterMarkerDrag::motion (GdkEvent* event, bool)
{
nframes64_t const pf = adjusted_current_frame (event);
_marker->set_position (pf);
_editor->show_verbose_time_cursor (pf, 10);
}
void
MeterMarkerDrag::finished (GdkEvent* event, bool movement_occurred)
{
if (!movement_occurred) {
return;
}
motion (event, false);
BBT_Time when;
TempoMap& map (_editor->session()->tempo_map());
map.bbt_time (last_pointer_frame(), when);
if (_copy == true) {
_editor->begin_reversible_command (_("copy meter mark"));
XMLNode &before = map.get_state();
map.add_meter (_marker->meter(), when);
XMLNode &after = map.get_state();
_editor->session()->add_command(new MementoCommand<TempoMap>(map, &before, &after));
_editor->commit_reversible_command ();
// delete the dummy marker we used for visual representation of copying.
// a new visual marker will show up automatically.
delete _marker;
} else {
_editor->begin_reversible_command (_("move meter mark"));
XMLNode &before = map.get_state();
map.move_meter (_marker->meter(), when);
XMLNode &after = map.get_state();
_editor->session()->add_command(new MementoCommand<TempoMap>(map, &before, &after));
_editor->commit_reversible_command ();
}
}
void
MeterMarkerDrag::aborted ()
{
_marker->set_position (_marker->meter().frame ());
}
TempoMarkerDrag::TempoMarkerDrag (Editor* e, ArdourCanvas::Item* i, bool c)
: Drag (e, i),
_copy (c)
{
_marker = reinterpret_cast<TempoMarker*> (_item->get_data ("marker"));
assert (_marker);
}
void
TempoMarkerDrag::start_grab (GdkEvent* event, Gdk::Cursor* cursor)
{
if (_copy) {
// create a dummy marker for visual representation of moving the copy.
// The actual copying is not done before we reach the finish callback.
char name[64];
snprintf (name, sizeof (name), "%.2f", _marker->tempo().beats_per_minute());
TempoMarker* new_marker = new TempoMarker(*_editor, *_editor->tempo_group, ARDOUR_UI::config()->canvasvar_TempoMarker.get(), name,
*new TempoSection (_marker->tempo()));
_item = &new_marker->the_item ();
_marker = new_marker;
} else {
MetricSection& section (_marker->tempo());
if (!section.movable()) {
return;
}
}
Drag::start_grab (event, cursor);
_pointer_frame_offset = grab_frame() - _marker->tempo().frame();
_editor->show_verbose_time_cursor (adjusted_current_frame (event), 10);
}
void
TempoMarkerDrag::motion (GdkEvent* event, bool)
{
nframes64_t const pf = adjusted_current_frame (event);
_marker->set_position (pf);
_editor->show_verbose_time_cursor (pf, 10);
}
void
TempoMarkerDrag::finished (GdkEvent* event, bool movement_occurred)
{
if (!movement_occurred) {
return;
}
motion (event, false);
BBT_Time when;
TempoMap& map (_editor->session()->tempo_map());
map.bbt_time (last_pointer_frame(), when);
if (_copy == true) {
_editor->begin_reversible_command (_("copy tempo mark"));
XMLNode &before = map.get_state();
map.add_tempo (_marker->tempo(), when);
XMLNode &after = map.get_state();
_editor->session()->add_command (new MementoCommand<TempoMap>(map, &before, &after));
_editor->commit_reversible_command ();
// delete the dummy marker we used for visual representation of copying.
// a new visual marker will show up automatically.
delete _marker;
} else {
_editor->begin_reversible_command (_("move tempo mark"));
XMLNode &before = map.get_state();
map.move_tempo (_marker->tempo(), when);
XMLNode &after = map.get_state();
_editor->session()->add_command (new MementoCommand<TempoMap>(map, &before, &after));
_editor->commit_reversible_command ();
}
}
void
TempoMarkerDrag::aborted ()
{
_marker->set_position (_marker->tempo().frame());
}
CursorDrag::CursorDrag (Editor* e, ArdourCanvas::Item* i, bool s)
: Drag (e, i),
_stop (s)
{
_cursor = reinterpret_cast<EditorCursor*> (_item->get_data ("cursor"));
assert (_cursor);
}
void
CursorDrag::start_grab (GdkEvent* event, Gdk::Cursor* c)
{
Drag::start_grab (event, c);
if (!_stop) {
nframes64_t where = _editor->event_frame (event, 0, 0);
_editor->snap_to_with_modifier (where, event);
_editor->playhead_cursor->set_position (where);
}
if (_cursor == _editor->playhead_cursor) {
_editor->_dragging_playhead = true;
Session* s = _editor->session ();
if (s) {
if (_was_rolling && _stop) {
s->request_stop ();
}
if (s->is_auditioning()) {
s->cancel_audition ();
}
s->request_suspend_timecode_transmission ();
if (s->timecode_transmission_suspended ()) {
nframes64_t const f = _editor->playhead_cursor->current_frame;
s->send_mmc_locate (f);
s->send_full_time_code (f);
}
}
}
_pointer_frame_offset = grab_frame() - _cursor->current_frame;
_editor->show_verbose_time_cursor (_cursor->current_frame, 10);
}
void
CursorDrag::motion (GdkEvent* event, bool)
{
nframes64_t const adjusted_frame = adjusted_current_frame (event);
if (adjusted_frame == last_pointer_frame()) {
return;
}
_cursor->set_position (adjusted_frame);
_editor->show_verbose_time_cursor (_cursor->current_frame, 10);
Session* s = _editor->session ();
if (s && _item == &_editor->playhead_cursor->canvas_item && s->timecode_transmission_suspended ()) {
nframes64_t const f = _editor->playhead_cursor->current_frame;
s->send_mmc_locate (f);
s->send_full_time_code (f);
}
#ifdef GTKOSX
_editor->update_canvas_now ();
#endif
_editor->UpdateAllTransportClocks (_cursor->current_frame);
}
void
CursorDrag::finished (GdkEvent* event, bool movement_occurred)
{
_editor->_dragging_playhead = false;
if (!movement_occurred && _stop) {
return;
}
motion (event, false);
if (_item == &_editor->playhead_cursor->canvas_item) {
Session* s = _editor->session ();
if (s) {
s->request_locate (_editor->playhead_cursor->current_frame, _was_rolling);
_editor->_pending_locate_request = true;
s->request_resume_timecode_transmission ();
}
}
}
void
CursorDrag::aborted ()
{
if (_editor->_dragging_playhead) {
_editor->session()->request_resume_timecode_transmission ();
_editor->_dragging_playhead = false;
}
_cursor->set_position (adjusted_frame (grab_frame (), 0, false));
}
FadeInDrag::FadeInDrag (Editor* e, ArdourCanvas::Item* i, RegionView* p, list<RegionView*> const & v)
: RegionDrag (e, i, p, v)
{
}
void
FadeInDrag::start_grab (GdkEvent* event, Gdk::Cursor* cursor)
{
Drag::start_grab (event, cursor);
AudioRegionView* a = dynamic_cast<AudioRegionView*> (_primary);
boost::shared_ptr<AudioRegion> const r = a->audio_region ();
_pointer_frame_offset = grab_frame() - ((nframes64_t) r->fade_in()->back()->when + r->position());
_editor->show_verbose_duration_cursor (r->position(), r->position() + r->fade_in()->back()->when, 10);
}
void
FadeInDrag::motion (GdkEvent* event, bool)
{
nframes64_t fade_length;
nframes64_t const pos = adjusted_current_frame (event);
boost::shared_ptr<Region> region = _primary->region ();
if (pos < (region->position() + 64)) {
fade_length = 64; // this should be a minimum defined somewhere
} else if (pos > region->last_frame()) {
fade_length = region->length();
} else {
fade_length = pos - region->position();
}
for (list<DraggingView>::iterator i = _views.begin(); i != _views.end(); ++i) {
AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (i->view);
if (!tmp) {
continue;
}
tmp->reset_fade_in_shape_width (fade_length);
}
_editor->show_verbose_duration_cursor (region->position(), region->position() + fade_length, 10);
}
void
FadeInDrag::finished (GdkEvent* event, bool movement_occurred)
{
if (!movement_occurred) {
return;
}
nframes64_t fade_length;
nframes64_t const pos = adjusted_current_frame (event);
boost::shared_ptr<Region> region = _primary->region ();
if (pos < (region->position() + 64)) {
fade_length = 64; // this should be a minimum defined somewhere
} else if (pos > region->last_frame()) {
fade_length = region->length();
} else {
fade_length = pos - region->position();
}
_editor->begin_reversible_command (_("change fade in length"));
for (list<DraggingView>::iterator i = _views.begin(); i != _views.end(); ++i) {
AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (i->view);
if (!tmp) {
continue;
}
boost::shared_ptr<AutomationList> alist = tmp->audio_region()->fade_in();
XMLNode &before = alist->get_state();
tmp->audio_region()->set_fade_in_length (fade_length);
tmp->audio_region()->set_fade_in_active (true);
XMLNode &after = alist->get_state();
_editor->session()->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &after));
}
_editor->commit_reversible_command ();
}
void
FadeInDrag::aborted ()
{
for (list<DraggingView>::iterator i = _views.begin(); i != _views.end(); ++i) {
AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (i->view);
if (!tmp) {
continue;
}
tmp->reset_fade_in_shape_width (tmp->audio_region()->fade_in()->back()->when);
}
}
FadeOutDrag::FadeOutDrag (Editor* e, ArdourCanvas::Item* i, RegionView* p, list<RegionView*> const & v)
: RegionDrag (e, i, p, v)
{
}
void
FadeOutDrag::start_grab (GdkEvent* event, Gdk::Cursor* cursor)
{
Drag::start_grab (event, cursor);
AudioRegionView* a = dynamic_cast<AudioRegionView*> (_primary);
boost::shared_ptr<AudioRegion> r = a->audio_region ();
_pointer_frame_offset = grab_frame() - (r->length() - (nframes64_t) r->fade_out()->back()->when + r->position());
_editor->show_verbose_duration_cursor (r->last_frame() - r->fade_out()->back()->when, r->last_frame(), 10);
}
void
FadeOutDrag::motion (GdkEvent* event, bool)
{
nframes64_t fade_length;
nframes64_t const pos = adjusted_current_frame (event);
boost::shared_ptr<Region> region = _primary->region ();
if (pos > (region->last_frame() - 64)) {
fade_length = 64; // this should really be a minimum fade defined somewhere
}
else if (pos < region->position()) {
fade_length = region->length();
}
else {
fade_length = region->last_frame() - pos;
}
for (list<DraggingView>::iterator i = _views.begin(); i != _views.end(); ++i) {
AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (i->view);
if (!tmp) {
continue;
}
tmp->reset_fade_out_shape_width (fade_length);
}
_editor->show_verbose_duration_cursor (region->last_frame() - fade_length, region->last_frame(), 10);
}
void
FadeOutDrag::finished (GdkEvent* event, bool movement_occurred)
{
if (!movement_occurred) {
return;
}
nframes64_t fade_length;
nframes64_t const pos = adjusted_current_frame (event);
boost::shared_ptr<Region> region = _primary->region ();
if (pos > (region->last_frame() - 64)) {
fade_length = 64; // this should really be a minimum fade defined somewhere
}
else if (pos < region->position()) {
fade_length = region->length();
}
else {
fade_length = region->last_frame() - pos;
}
_editor->begin_reversible_command (_("change fade out length"));
for (list<DraggingView>::iterator i = _views.begin(); i != _views.end(); ++i) {
AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (i->view);
if (!tmp) {
continue;
}
boost::shared_ptr<AutomationList> alist = tmp->audio_region()->fade_out();
XMLNode &before = alist->get_state();
tmp->audio_region()->set_fade_out_length (fade_length);
tmp->audio_region()->set_fade_out_active (true);
XMLNode &after = alist->get_state();
_editor->session()->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &after));
}
_editor->commit_reversible_command ();
}
void
FadeOutDrag::aborted ()
{
for (list<DraggingView>::iterator i = _views.begin(); i != _views.end(); ++i) {
AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (i->view);
if (!tmp) {
continue;
}
tmp->reset_fade_out_shape_width (tmp->audio_region()->fade_out()->back()->when);
}
}
MarkerDrag::MarkerDrag (Editor* e, ArdourCanvas::Item* i)
: Drag (e, i)
{
_marker = reinterpret_cast<Marker*> (_item->get_data ("marker"));
assert (_marker);
_points.push_back (Gnome::Art::Point (0, 0));
_points.push_back (Gnome::Art::Point (0, physical_screen_height (_editor->get_window())));
_line = new ArdourCanvas::Line (*_editor->timebar_group);
_line->property_width_pixels() = 1;
_line->property_points () = _points;
_line->hide ();
_line->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerDragLine.get();
}
MarkerDrag::~MarkerDrag ()
{
for (list<Location*>::iterator i = _copied_locations.begin(); i != _copied_locations.end(); ++i) {
delete *i;
}
}
void
MarkerDrag::start_grab (GdkEvent* event, Gdk::Cursor* cursor)
{
Drag::start_grab (event, cursor);
bool is_start;
Location *location = _editor->find_location_from_marker (_marker, is_start);
_editor->_dragging_edit_point = true;
_pointer_frame_offset = grab_frame() - (is_start ? location->start() : location->end());
update_item (location);
// _drag_line->show();
// _line->raise_to_top();
if (is_start) {
_editor->show_verbose_time_cursor (location->start(), 10);
} else {
_editor->show_verbose_time_cursor (location->end(), 10);
}
Selection::Operation op = ArdourKeyboard::selection_type (event->button.state);
switch (op) {
case Selection::Toggle:
_editor->selection->toggle (_marker);
break;
case Selection::Set:
if (!_editor->selection->selected (_marker)) {
_editor->selection->set (_marker);
}
break;
case Selection::Extend:
{
Locations::LocationList ll;
list<Marker*> to_add;
nframes64_t s, e;
_editor->selection->markers.range (s, e);
s = min (_marker->position(), s);
e = max (_marker->position(), e);
s = min (s, e);
e = max (s, e);
if (e < max_frames) {
++e;
}
_editor->session()->locations()->find_all_between (s, e, ll, Location::Flags (0));
for (Locations::LocationList::iterator i = ll.begin(); i != ll.end(); ++i) {
Editor::LocationMarkers* lm = _editor->find_location_markers (*i);
if (lm) {
if (lm->start) {
to_add.push_back (lm->start);
}
if (lm->end) {
to_add.push_back (lm->end);
}
}
}
if (!to_add.empty()) {
_editor->selection->add (to_add);
}
break;
}
case Selection::Add:
_editor->selection->add (_marker);
break;
}
/* Set up copies for us to manipulate during the drag */
for (MarkerSelection::iterator i = _editor->selection->markers.begin(); i != _editor->selection->markers.end(); ++i) {
Location* l = _editor->find_location_from_marker (*i, is_start);
_copied_locations.push_back (new Location (*l));
}
}
void
MarkerDrag::motion (GdkEvent* event, bool)
{
nframes64_t f_delta = 0;
bool is_start;
bool move_both = false;
Marker* marker;
Location *real_location;
Location *copy_location = 0;
nframes64_t const newframe = adjusted_current_frame (event);
nframes64_t next = newframe;
if (newframe == last_pointer_frame()) {
return;
}
if (Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
move_both = true;
}
MarkerSelection::iterator i;
list<Location*>::iterator x;
/* find the marker we're dragging, and compute the delta */
for (i = _editor->selection->markers.begin(), x = _copied_locations.begin();
x != _copied_locations.end() && i != _editor->selection->markers.end();
++i, ++x) {
copy_location = *x;
marker = *i;
if (marker == _marker) {
if ((real_location = _editor->find_location_from_marker (marker, is_start)) == 0) {
/* que pasa ?? */
return;
}
if (real_location->is_mark()) {
f_delta = newframe - copy_location->start();
} else {
switch (marker->type()) {
case Marker::Start:
case Marker::LoopStart:
case Marker::PunchIn:
f_delta = newframe - copy_location->start();
break;
case Marker::End:
case Marker::LoopEnd:
case Marker::PunchOut:
f_delta = newframe - copy_location->end();
break;
default:
/* what kind of marker is this ? */
return;
}
}
break;
}
}
if (i == _editor->selection->markers.end()) {
/* hmm, impossible - we didn't find the dragged marker */
return;
}
/* now move them all */
for (i = _editor->selection->markers.begin(), x = _copied_locations.begin();
x != _copied_locations.end() && i != _editor->selection->markers.end();
++i, ++x) {
copy_location = *x;
marker = *i;
/* call this to find out if its the start or end */
if ((real_location = _editor->find_location_from_marker (marker, is_start)) == 0) {
continue;
}
if (real_location->locked()) {
continue;
}
if (copy_location->is_mark()) {
/* now move it */
copy_location->set_start (copy_location->start() + f_delta);
} else {
nframes64_t new_start = copy_location->start() + f_delta;
nframes64_t new_end = copy_location->end() + f_delta;
if (is_start) { // start-of-range marker
if (move_both) {
copy_location->set_start (new_start);
copy_location->set_end (new_end);
} else if (new_start < copy_location->end()) {
copy_location->set_start (new_start);
} else {
_editor->snap_to (next, 1, true);
copy_location->set_end (next);
copy_location->set_start (newframe);
}
} else { // end marker
if (move_both) {
copy_location->set_end (new_end);
copy_location->set_start (new_start);
} else if (new_end > copy_location->start()) {
copy_location->set_end (new_end);
} else if (newframe > 0) {
_editor->snap_to (next, -1, true);
copy_location->set_start (next);
copy_location->set_end (newframe);
}
}
}
update_item (copy_location);
Editor::LocationMarkers* lm = _editor->find_location_markers (real_location);
if (lm) {
lm->set_position (copy_location->start(), copy_location->end());
}
}
assert (!_copied_locations.empty());
_editor->show_verbose_time_cursor (newframe, 10);
#ifdef GTKOSX
_editor->update_canvas_now ();
#endif
}
void
MarkerDrag::finished (GdkEvent* event, bool movement_occurred)
{
if (!movement_occurred) {
/* just a click, do nothing but finish
off the selection process
*/
Selection::Operation op = ArdourKeyboard::selection_type (event->button.state);
switch (op) {
case Selection::Set:
if (_editor->selection->selected (_marker) && _editor->selection->markers.size() > 1) {
_editor->selection->set (_marker);
}
break;
case Selection::Toggle:
case Selection::Extend:
case Selection::Add:
break;
}
return;
}
_editor->_dragging_edit_point = false;
_editor->begin_reversible_command ( _("move marker") );
XMLNode &before = _editor->session()->locations()->get_state();
MarkerSelection::iterator i;
list<Location*>::iterator x;
bool is_start;
for (i = _editor->selection->markers.begin(), x = _copied_locations.begin();
x != _copied_locations.end() && i != _editor->selection->markers.end();
++i, ++x) {
Location * location = _editor->find_location_from_marker (*i, is_start);
if (location) {
if (location->locked()) {
return;
}
if (location->is_mark()) {
location->set_start ((*x)->start());
} else {
location->set ((*x)->start(), (*x)->end());
}
}
}
XMLNode &after = _editor->session()->locations()->get_state();
_editor->session()->add_command(new MementoCommand<Locations>(*(_editor->session()->locations()), &before, &after));
_editor->commit_reversible_command ();
_line->hide();
}
void
MarkerDrag::aborted ()
{
/* XXX: TODO */
}
void
MarkerDrag::update_item (Location* location)
{
double const x1 = _editor->frame_to_pixel (location->start());
_points.front().set_x(x1);
_points.back().set_x(x1);
_line->property_points() = _points;
}
ControlPointDrag::ControlPointDrag (Editor* e, ArdourCanvas::Item* i)
: Drag (e, i),
_cumulative_x_drag (0),
_cumulative_y_drag (0)
{
_point = reinterpret_cast<ControlPoint*> (_item->get_data ("control_point"));
assert (_point);
}
void
ControlPointDrag::start_grab (GdkEvent* event, Gdk::Cursor* /*cursor*/)
{
Drag::start_grab (event, _editor->fader_cursor);
// start the grab at the center of the control point so
// the point doesn't 'jump' to the mouse after the first drag
_fixed_grab_x = _point->get_x();
_fixed_grab_y = _point->get_y();
float const fraction = 1 - (_point->get_y() / _point->line().height());
_point->line().start_drag_single (_point, _fixed_grab_x, fraction);
_editor->set_verbose_canvas_cursor (_point->line().get_verbose_cursor_string (fraction),
event->button.x + 10, event->button.y + 10);
_editor->show_verbose_canvas_cursor ();
}
void
ControlPointDrag::motion (GdkEvent* event, bool)
{
double dx = _drags->current_pointer_x() - last_pointer_x();
double dy = _drags->current_pointer_y() - last_pointer_y();
if (event->button.state & Keyboard::SecondaryModifier) {
dx *= 0.1;
dy *= 0.1;
}
/* coordinate in pixels relative to the start of the region (for region-based automation)
or track (for track-based automation) */
double cx = _fixed_grab_x + _cumulative_x_drag + dx;
double cy = _fixed_grab_y + _cumulative_y_drag + dy;
// calculate zero crossing point. back off by .01 to stay on the
// positive side of zero
double const zero_gain_y = (1.0 - _zero_gain_fraction) * _point->line().height() - .01;
// make sure we hit zero when passing through
if ((cy < zero_gain_y && (cy - dy) > zero_gain_y) || (cy > zero_gain_y && (cy - dy) < zero_gain_y)) {
cy = zero_gain_y;
}
if (_x_constrained) {
cx = _fixed_grab_x;
}
if (_y_constrained) {
cy = _fixed_grab_y;
}
_cumulative_x_drag = cx - _fixed_grab_x;
_cumulative_y_drag = cy - _fixed_grab_y;
cx = max (0.0, cx);
cy = max (0.0, cy);
cy = min ((double) _point->line().height(), cy);
framepos_t cx_frames = _editor->unit_to_frame (cx);
if (!_x_constrained) {
_editor->snap_to_with_modifier (cx_frames, event);
}
cx_frames = min (cx_frames, _point->line().maximum_time());
float const fraction = 1.0 - (cy / _point->line().height());
bool const push = Keyboard::modifier_state_contains (event->button.state, Keyboard::PrimaryModifier);
_point->line().drag_motion (_editor->frame_to_unit (cx_frames), fraction, false, push);
_editor->set_verbose_canvas_cursor_text (_point->line().get_verbose_cursor_string (fraction));
}
void
ControlPointDrag::finished (GdkEvent* event, bool movement_occurred)
{
if (!movement_occurred) {
/* just a click */
if (Keyboard::modifier_state_equals (event->button.state, Keyboard::TertiaryModifier)) {
_editor->reset_point_selection ();
}
} else {
motion (event, false);
}
_point->line().end_drag ();
}
void
ControlPointDrag::aborted ()
{
_point->line().reset ();
}
bool
ControlPointDrag::active (Editing::MouseMode m)
{
if (m == Editing::MouseGain) {
/* always active in mouse gain */
return true;
}
/* otherwise active if the point is on an automation line (ie not if its on a region gain line) */
return dynamic_cast<AutomationLine*> (&(_point->line())) != 0;
}
LineDrag::LineDrag (Editor* e, ArdourCanvas::Item* i)
: Drag (e, i),
_line (0),
_cumulative_y_drag (0)
{
}
void
LineDrag::start_grab (GdkEvent* event, Gdk::Cursor* /*cursor*/)
{
_line = reinterpret_cast<AutomationLine*> (_item->get_data ("line"));
assert (_line);
_item = &_line->grab_item ();
/* need to get x coordinate in terms of parent (TimeAxisItemView)
origin, and ditto for y.
*/
double cx = event->button.x;
double cy = event->button.y;
_line->parent_group().w2i (cx, cy);
nframes64_t const frame_within_region = (nframes64_t) floor (cx * _editor->frames_per_unit);
uint32_t before;
uint32_t after;
if (!_line->control_points_adjacent (frame_within_region, before, after)) {
/* no adjacent points */
return;
}
Drag::start_grab (event, _editor->fader_cursor);
/* store grab start in parent frame */
_fixed_grab_x = cx;
_fixed_grab_y = cy;
double fraction = 1.0 - (cy / _line->height());
_line->start_drag_line (before, after, fraction);
_editor->set_verbose_canvas_cursor (_line->get_verbose_cursor_string (fraction),
event->button.x + 10, event->button.y + 10);
_editor->show_verbose_canvas_cursor ();
}
void
LineDrag::motion (GdkEvent* event, bool)
{
double dy = _drags->current_pointer_y() - last_pointer_y();
if (event->button.state & Keyboard::SecondaryModifier) {
dy *= 0.1;
}
double cy = _fixed_grab_y + _cumulative_y_drag + dy;
_cumulative_y_drag = cy - _fixed_grab_y;
cy = max (0.0, cy);
cy = min ((double) _line->height(), cy);
double const fraction = 1.0 - (cy / _line->height());
bool push;
if (Keyboard::modifier_state_contains (event->button.state, Keyboard::PrimaryModifier)) {
push = false;
} else {
push = true;
}
/* we are ignoring x position for this drag, so we can just pass in anything */
_line->drag_motion (0, fraction, true, push);
_editor->set_verbose_canvas_cursor_text (_line->get_verbose_cursor_string (fraction));
}
void
LineDrag::finished (GdkEvent* event, bool)
{
motion (event, false);
_line->end_drag ();
}
void
LineDrag::aborted ()
{
_line->reset ();
}
FeatureLineDrag::FeatureLineDrag (Editor* e, ArdourCanvas::Item* i)
: Drag (e, i),
_line (0),
_cumulative_x_drag (0)
{
}
void
FeatureLineDrag::start_grab (GdkEvent* event, Gdk::Cursor* /*cursor*/)
{
Drag::start_grab (event);
_line = reinterpret_cast<SimpleLine*> (_item);
assert (_line);
/* need to get x coordinate in terms of parent (AudioRegionView) origin. */
double cx = event->button.x;
double cy = event->button.y;
_item->property_parent().get_value()->w2i(cx, cy);
/* store grab start in parent frame */
_region_view_grab_x = cx;
_before = _line->property_x1();
_arv = reinterpret_cast<AudioRegionView*> (_item->get_data ("regionview"));
_max_x = _editor->frame_to_pixel(_arv->get_duration());
}
void
FeatureLineDrag::motion (GdkEvent* event, bool)
{
double dx = _drags->current_pointer_x() - last_pointer_x();
double cx = _region_view_grab_x + _cumulative_x_drag + dx;
_cumulative_x_drag += dx;
/* Clamp the min and max extent of the drag to keep it within the region view bounds */
if (cx > _max_x){
cx = _max_x;
}
else if(cx < 0){
cx = 0;
}
_line->property_x1() = cx;
_line->property_x2() = cx;
_before = _line->property_x1();
}
void
FeatureLineDrag::finished (GdkEvent* event, bool)
{
_arv = reinterpret_cast<AudioRegionView*> (_item->get_data ("regionview"));
_arv->update_transient(_before, _line->property_x1());
}
void
FeatureLineDrag::aborted ()
{
//_line->reset ();
}
void
RubberbandSelectDrag::start_grab (GdkEvent* event, Gdk::Cursor *)
{
Drag::start_grab (event);
_editor->show_verbose_time_cursor (adjusted_current_frame (event), 10);
}
void
RubberbandSelectDrag::motion (GdkEvent* event, bool)
{
nframes64_t start;
nframes64_t end;
double y1;
double y2;
nframes64_t const pf = adjusted_current_frame (event, Config->get_rubberbanding_snaps_to_grid ());
nframes64_t grab = grab_frame ();
if (Config->get_rubberbanding_snaps_to_grid ()) {
_editor->snap_to_with_modifier (grab, event);
}
/* base start and end on initial click position */
if (pf < grab) {
start = pf;
end = grab;
} else {
end = pf;
start = grab;
}
if (_drags->current_pointer_y() < grab_y()) {
y1 = _drags->current_pointer_y();
y2 = grab_y();
} else {
y2 = _drags->current_pointer_y();
y1 = grab_y();
}
if (start != end || y1 != y2) {
double x1 = _editor->frame_to_pixel (start);
double x2 = _editor->frame_to_pixel (end);
_editor->rubberband_rect->property_x1() = x1;
_editor->rubberband_rect->property_y1() = y1;
_editor->rubberband_rect->property_x2() = x2;
_editor->rubberband_rect->property_y2() = y2;
_editor->rubberband_rect->show();
_editor->rubberband_rect->raise_to_top();
_editor->show_verbose_time_cursor (pf, 10);
}
}
void
RubberbandSelectDrag::finished (GdkEvent* event, bool movement_occurred)
{
if (movement_occurred) {
motion (event, false);
double y1,y2;
if (_drags->current_pointer_y() < grab_y()) {
y1 = _drags->current_pointer_y();
y2 = grab_y();
} else {
y2 = _drags->current_pointer_y();
y1 = grab_y();
}
Selection::Operation op = ArdourKeyboard::selection_type (event->button.state);
bool committed;
_editor->begin_reversible_command (_("rubberband selection"));
if (grab_frame() < last_pointer_frame()) {
committed = _editor->select_all_within (grab_frame(), last_pointer_frame() - 1, y1, y2, _editor->track_views, op, false);
} else {
committed = _editor->select_all_within (last_pointer_frame(), grab_frame() - 1, y1, y2, _editor->track_views, op, false);
}
if (!committed) {
_editor->commit_reversible_command ();
}
} else {
if (!getenv("ARDOUR_SAE")) {
_editor->selection->clear_tracks();
}
_editor->selection->clear_regions();
_editor->selection->clear_points ();
_editor->selection->clear_lines ();
}
_editor->rubberband_rect->hide();
}
void
RubberbandSelectDrag::aborted ()
{
_editor->rubberband_rect->hide ();
}
void
TimeFXDrag::start_grab (GdkEvent* event, Gdk::Cursor *)
{
Drag::start_grab (event);
_editor->show_verbose_time_cursor (adjusted_current_frame (event), 10);
}
void
TimeFXDrag::motion (GdkEvent* event, bool)
{
RegionView* rv = _primary;
nframes64_t const pf = adjusted_current_frame (event);
if (pf > rv->region()->position()) {
rv->get_time_axis_view().show_timestretch (rv->region()->position(), pf);
}
_editor->show_verbose_time_cursor (pf, 10);
}
void
TimeFXDrag::finished (GdkEvent* /*event*/, bool movement_occurred)
{
_primary->get_time_axis_view().hide_timestretch ();
if (!movement_occurred) {
return;
}
if (last_pointer_frame() < _primary->region()->position()) {
/* backwards drag of the left edge - not usable */
return;
}
nframes64_t newlen = last_pointer_frame() - _primary->region()->position();
float percentage = (double) newlen / (double) _primary->region()->length();
#ifndef USE_RUBBERBAND
// Soundtouch uses percentage / 100 instead of normal (/ 1)
if (_primary->region()->data_type() == DataType::AUDIO) {
percentage = (float) ((double) newlen - (double) _primary->region()->length()) / ((double) newlen) * 100.0f;
}
#endif
_editor->begin_reversible_command (_("timestretch"));
// XXX how do timeFX on multiple regions ?
RegionSelection rs;
rs.add (_primary);
if (_editor->time_stretch (rs, percentage) == -1) {
error << _("An error occurred while executing time stretch operation") << endmsg;
}
}
void
TimeFXDrag::aborted ()
{
_primary->get_time_axis_view().hide_timestretch ();
}
void
ScrubDrag::start_grab (GdkEvent* event, Gdk::Cursor *)
{
Drag::start_grab (event);
}
void
ScrubDrag::motion (GdkEvent* /*event*/, bool)
{
_editor->scrub (adjusted_current_frame (0, false), _drags->current_pointer_x ());
}
void
ScrubDrag::finished (GdkEvent* /*event*/, bool movement_occurred)
{
if (movement_occurred && _editor->session()) {
/* make sure we stop */
_editor->session()->request_transport_speed (0.0);
}
}
void
ScrubDrag::aborted ()
{
/* XXX: TODO */
}
SelectionDrag::SelectionDrag (Editor* e, ArdourCanvas::Item* i, Operation o)
: Drag (e, i)
, _operation (o)
, _copy (false)
, _original_pointer_time_axis (-1)
, _last_pointer_time_axis (-1)
{
}
void
SelectionDrag::start_grab (GdkEvent* event, Gdk::Cursor*)
{
nframes64_t start = 0;
nframes64_t end = 0;
if (_editor->session() == 0) {
return;
}
Gdk::Cursor* cursor = 0;
switch (_operation) {
case CreateSelection:
if (Keyboard::modifier_state_equals (event->button.state, Keyboard::TertiaryModifier)) {
_copy = true;
} else {
_copy = false;
}
cursor = _editor->selector_cursor;
Drag::start_grab (event, cursor);
break;
case SelectionStartTrim:
if (_editor->clicked_axisview) {
_editor->clicked_axisview->order_selection_trims (_item, true);
}
Drag::start_grab (event, _editor->left_side_trim_cursor);
start = _editor->selection->time[_editor->clicked_selection].start;
_pointer_frame_offset = grab_frame() - start;
break;
case SelectionEndTrim:
if (_editor->clicked_axisview) {
_editor->clicked_axisview->order_selection_trims (_item, false);
}
Drag::start_grab (event, _editor->right_side_trim_cursor);
end = _editor->selection->time[_editor->clicked_selection].end;
_pointer_frame_offset = grab_frame() - end;
break;
case SelectionMove:
start = _editor->selection->time[_editor->clicked_selection].start;
Drag::start_grab (event, cursor);
_pointer_frame_offset = grab_frame() - start;
break;
}
if (_operation == SelectionMove) {
_editor->show_verbose_time_cursor (start, 10);
} else {
_editor->show_verbose_time_cursor (adjusted_current_frame (event), 10);
}
_original_pointer_time_axis = _editor->trackview_by_y_position (_drags->current_pointer_y ()).first->order ();
}
void
SelectionDrag::motion (GdkEvent* event, bool first_move)
{
nframes64_t start = 0;
nframes64_t end = 0;
nframes64_t length;
pair<TimeAxisView*, int> const pending_time_axis = _editor->trackview_by_y_position (_drags->current_pointer_y ());
if (pending_time_axis.first == 0) {
return;
}
nframes64_t const pending_position = adjusted_current_frame (event);
/* only alter selection if things have changed */
if (pending_time_axis.first->order() == _last_pointer_time_axis && pending_position == last_pointer_frame()) {
return;
}
switch (_operation) {
case CreateSelection:
{
nframes64_t grab = grab_frame ();
if (first_move) {
_editor->snap_to (grab);
}
if (pending_position < grab_frame()) {
start = pending_position;
end = grab;
} else {
end = pending_position;
start = grab;
}
/* first drag: Either add to the selection
or create a new selection
*/
if (first_move) {
if (_copy) {
/* adding to the selection */
_editor->selection->add (_editor->clicked_axisview);
_editor->clicked_selection = _editor->selection->add (start, end);
_copy = false;
} else {
/* new selection */
if (_editor->clicked_axisview && !_editor->selection->selected (_editor->clicked_axisview)) {
_editor->selection->set (_editor->clicked_axisview);
}
_editor->clicked_selection = _editor->selection->set (start, end);
}
}
/* select the track that we're in */
if (find (_added_time_axes.begin(), _added_time_axes.end(), pending_time_axis.first) == _added_time_axes.end()) {
_editor->selection->add (pending_time_axis.first);
_added_time_axes.push_back (pending_time_axis.first);
}
/* deselect any tracks that this drag no longer includes, being careful to only deselect
tracks that we selected in the first place.
*/
int min_order = min (_original_pointer_time_axis, pending_time_axis.first->order());
int max_order = max (_original_pointer_time_axis, pending_time_axis.first->order());
list<TimeAxisView*>::iterator i = _added_time_axes.begin();
while (i != _added_time_axes.end()) {
list<TimeAxisView*>::iterator tmp = i;
++tmp;
if ((*i)->order() < min_order || (*i)->order() > max_order) {
_editor->selection->remove (*i);
_added_time_axes.remove (*i);
}
i = tmp;
}
}
break;
case SelectionStartTrim:
start = _editor->selection->time[_editor->clicked_selection].start;
end = _editor->selection->time[_editor->clicked_selection].end;
if (pending_position > end) {
start = end;
} else {
start = pending_position;
}
break;
case SelectionEndTrim:
start = _editor->selection->time[_editor->clicked_selection].start;
end = _editor->selection->time[_editor->clicked_selection].end;
if (pending_position < start) {
end = start;
} else {
end = pending_position;
}
break;
case SelectionMove:
start = _editor->selection->time[_editor->clicked_selection].start;
end = _editor->selection->time[_editor->clicked_selection].end;
length = end - start;
start = pending_position;
_editor->snap_to (start);
end = start + length;
break;
}
if (event->button.x >= _editor->horizontal_position() + _editor->_canvas_width) {
_editor->start_canvas_autoscroll (1, 0);
}
if (start != end) {
_editor->selection->replace (_editor->clicked_selection, start, end);
}
if (_operation == SelectionMove) {
_editor->show_verbose_time_cursor(start, 10);
} else {
_editor->show_verbose_time_cursor(pending_position, 10);
}
}
void
SelectionDrag::finished (GdkEvent* event, bool movement_occurred)
{
Session* s = _editor->session();
if (movement_occurred) {
motion (event, false);
/* XXX this is not object-oriented programming at all. ick */
if (_editor->selection->time.consolidate()) {
_editor->selection->TimeChanged ();
}
/* XXX what if its a music time selection? */
if (s && (s->config.get_auto_play() || (s->get_play_range() && s->transport_rolling()))) {
s->request_play_range (&_editor->selection->time, true);
}
} else {
/* just a click, no pointer movement.*/
if (Keyboard::no_modifier_keys_pressed (&event->button)) {
_editor->selection->clear_time();
}
if (_editor->clicked_axisview && !_editor->selection->selected (_editor->clicked_axisview)) {
_editor->selection->set (_editor->clicked_axisview);
}
if (s && s->get_play_range () && s->transport_rolling()) {
s->request_stop (false, false);
}
}
_editor->stop_canvas_autoscroll ();
}
void
SelectionDrag::aborted ()
{
/* XXX: TODO */
}
RangeMarkerBarDrag::RangeMarkerBarDrag (Editor* e, ArdourCanvas::Item* i, Operation o)
: Drag (e, i),
_operation (o),
_copy (false)
{
_drag_rect = new ArdourCanvas::SimpleRect (*_editor->time_line_group, 0.0, 0.0, 0.0,
physical_screen_height (_editor->get_window()));
_drag_rect->hide ();
_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragRect.get();
_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragRect.get();
}
void
RangeMarkerBarDrag::start_grab (GdkEvent* event, Gdk::Cursor *)
{
if (_editor->session() == 0) {
return;
}
Gdk::Cursor* cursor = 0;
if (!_editor->temp_location) {
_editor->temp_location = new Location (*_editor->session());
}
switch (_operation) {
case CreateRangeMarker:
case CreateTransportMarker:
case CreateCDMarker:
if (Keyboard::modifier_state_equals (event->button.state, Keyboard::TertiaryModifier)) {
_copy = true;
} else {
_copy = false;
}
cursor = _editor->selector_cursor;
break;
}
Drag::start_grab (event, cursor);
_editor->show_verbose_time_cursor (adjusted_current_frame (event), 10);
}
void
RangeMarkerBarDrag::motion (GdkEvent* event, bool first_move)
{
nframes64_t start = 0;
nframes64_t end = 0;
ArdourCanvas::SimpleRect *crect;
switch (_operation) {
case CreateRangeMarker:
crect = _editor->range_bar_drag_rect;
break;
case CreateTransportMarker:
crect = _editor->transport_bar_drag_rect;
break;
case CreateCDMarker:
crect = _editor->cd_marker_bar_drag_rect;
break;
default:
cerr << "Error: unknown range marker op passed to Editor::drag_range_markerbar_op ()" << endl;
return;
break;
}
nframes64_t const pf = adjusted_current_frame (event);
if (_operation == CreateRangeMarker || _operation == CreateTransportMarker || _operation == CreateCDMarker) {
nframes64_t grab = grab_frame ();
_editor->snap_to (grab);
if (pf < grab_frame()) {
start = pf;
end = grab;
} else {
end = pf;
start = grab;
}
/* first drag: Either add to the selection
or create a new selection.
*/
if (first_move) {
_editor->temp_location->set (start, end);
crect->show ();
update_item (_editor->temp_location);
_drag_rect->show();
//_drag_rect->raise_to_top();
}
}
if (event->button.x >= _editor->horizontal_position() + _editor->_canvas_width) {
_editor->start_canvas_autoscroll (1, 0);
}
if (start != end) {
_editor->temp_location->set (start, end);
double x1 = _editor->frame_to_pixel (start);
double x2 = _editor->frame_to_pixel (end);
crect->property_x1() = x1;
crect->property_x2() = x2;
update_item (_editor->temp_location);
}
_editor->show_verbose_time_cursor (pf, 10);
}
void
RangeMarkerBarDrag::finished (GdkEvent* event, bool movement_occurred)
{
Location * newloc = 0;
string rangename;
int flags;
if (movement_occurred) {
motion (event, false);
_drag_rect->hide();
switch (_operation) {
case CreateRangeMarker:
case CreateCDMarker:
{
_editor->begin_reversible_command (_("new range marker"));
XMLNode &before = _editor->session()->locations()->get_state();
_editor->session()->locations()->next_available_name(rangename,"unnamed");
if (_operation == CreateCDMarker) {
flags = Location::IsRangeMarker | Location::IsCDMarker;
_editor->cd_marker_bar_drag_rect->hide();
}
else {
flags = Location::IsRangeMarker;
_editor->range_bar_drag_rect->hide();
}
newloc = new Location (
*_editor->session(), _editor->temp_location->start(), _editor->temp_location->end(), rangename, (Location::Flags) flags
);
_editor->session()->locations()->add (newloc, true);
XMLNode &after = _editor->session()->locations()->get_state();
_editor->session()->add_command(new MementoCommand<Locations>(*(_editor->session()->locations()), &before, &after));
_editor->commit_reversible_command ();
break;
}
case CreateTransportMarker:
// popup menu to pick loop or punch
_editor->new_transport_marker_context_menu (&event->button, _item);
break;
}
} else {
/* just a click, no pointer movement. remember that context menu stuff was handled elsewhere */
if (Keyboard::no_modifier_keys_pressed (&event->button) && _operation != CreateCDMarker) {
nframes64_t start;
nframes64_t end;
_editor->session()->locations()->marks_either_side (grab_frame(), start, end);
if (end == max_frames) {
end = _editor->session()->current_end_frame ();
}
if (start == max_frames) {
start = _editor->session()->current_start_frame ();
}
switch (_editor->mouse_mode) {
case MouseObject:
/* find the two markers on either side and then make the selection from it */
_editor->select_all_within (start, end, 0.0f, FLT_MAX, _editor->track_views, Selection::Set, false);
break;
case MouseRange:
/* find the two markers on either side of the click and make the range out of it */
_editor->selection->set (start, end);
break;
default:
break;
}
}
}
_editor->stop_canvas_autoscroll ();
}
void
RangeMarkerBarDrag::aborted ()
{
/* XXX: TODO */
}
void
RangeMarkerBarDrag::update_item (Location* location)
{
double const x1 = _editor->frame_to_pixel (location->start());
double const x2 = _editor->frame_to_pixel (location->end());
_drag_rect->property_x1() = x1;
_drag_rect->property_x2() = x2;
}
void
MouseZoomDrag::start_grab (GdkEvent* event, Gdk::Cursor *)
{
Drag::start_grab (event, _editor->zoom_cursor);
_editor->show_verbose_time_cursor (adjusted_current_frame (event), 10);
}
void
MouseZoomDrag::motion (GdkEvent* event, bool first_move)
{
nframes64_t start;
nframes64_t end;
nframes64_t const pf = adjusted_current_frame (event);
nframes64_t grab = grab_frame ();
_editor->snap_to_with_modifier (grab, event);
/* base start and end on initial click position */
if (pf < grab) {
start = pf;
end = grab;
} else {
end = pf;
start = grab;
}
if (start != end) {
if (first_move) {
_editor->zoom_rect->show();
_editor->zoom_rect->raise_to_top();
}
_editor->reposition_zoom_rect(start, end);
_editor->show_verbose_time_cursor (pf, 10);
}
}
void
MouseZoomDrag::finished (GdkEvent* event, bool movement_occurred)
{
if (movement_occurred) {
motion (event, false);
if (grab_frame() < last_pointer_frame()) {
_editor->temporal_zoom_by_frame (grab_frame(), last_pointer_frame(), "mouse zoom");
} else {
_editor->temporal_zoom_by_frame (last_pointer_frame(), grab_frame(), "mouse zoom");
}
} else {
_editor->temporal_zoom_to_frame (false, grab_frame());
/*
temporal_zoom_step (false);
center_screen (grab_frame());
*/
}
_editor->zoom_rect->hide();
}
void
MouseZoomDrag::aborted ()
{
_editor->zoom_rect->hide ();
}
NoteDrag::NoteDrag (Editor* e, ArdourCanvas::Item* i)
: Drag (e, i)
, _cumulative_dx (0)
, _cumulative_dy (0)
{
_primary = dynamic_cast<CanvasNoteEvent*> (_item);
_region = &_primary->region_view ();
_note_height = _region->midi_stream_view()->note_height ();
}
void
NoteDrag::start_grab (GdkEvent* event, Gdk::Cursor *)
{
Drag::start_grab (event);
if (!(_was_selected = _primary->selected())) {
/* tertiary-click means extend selection - we'll do that on button release,
so don't add it here, because otherwise we make it hard to figure
out the "extend-to" range.
*/
bool extend = Keyboard::modifier_state_equals (event->button.state, Keyboard::TertiaryModifier);
if (!extend) {
bool add = Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier);
if (add) {
_region->note_selected (_primary, true);
} else {
_region->unique_select (_primary);
}
}
}
}
/** @return Current total drag x change in frames */
frameoffset_t
NoteDrag::total_dx () const
{
/* dx in frames */
frameoffset_t const dx = _editor->unit_to_frame (_drags->current_pointer_x() - grab_x());
/* primary note time */
frameoffset_t const n = _region->beats_to_frames (_primary->note()->time ());
/* new time of the primary note relative to the region position */
frameoffset_t const st = n + dx;
/* snap and return corresponding delta */
return _region->snap_frame_to_frame (st) - n;
}
/** @return Current total drag y change in notes */
int8_t
NoteDrag::total_dy () const
{
/* this is `backwards' to make increasing note number go in the right direction */
double const dy = _drags->current_pointer_y() - grab_y();
/* dy in notes */
int8_t ndy = 0;
if (abs (dy) >= _note_height) {
if (dy > 0) {
ndy = (int8_t) ceil (dy / _note_height / 2.0);
} else {
ndy = (int8_t) floor (dy / _note_height / 2.0);
}
}
return ndy;
}
void
NoteDrag::motion (GdkEvent *, bool)
{
/* Total change in x and y since the start of the drag */
frameoffset_t const dx = total_dx ();
int8_t const dy = total_dy ();
/* Now work out what we have to do to the note canvas items to set this new drag delta */
double const tdx = _editor->frame_to_unit (dx) - _cumulative_dx;
double const tdy = dy * _note_height - _cumulative_dy;
if (tdx || tdy) {
_region->move_selection (tdx, tdy);
_cumulative_dx += tdx;
_cumulative_dy += tdy;
char buf[12];
snprintf (buf, sizeof (buf), "%s (%d)", Evoral::midi_note_name (_primary->note()->note() + dy).c_str(),
(int) floor (_primary->note()->note() + dy));
_editor->show_verbose_canvas_cursor_with (buf);
}
}
void
NoteDrag::finished (GdkEvent* ev, bool moved)
{
if (!moved) {
if (_editor->current_mouse_mode() == Editing::MouseObject) {
if (_was_selected) {
bool add = Keyboard::modifier_state_equals (ev->button.state, Keyboard::PrimaryModifier);
if (add) {
_region->note_deselected (_primary);
}
} else {
bool extend = Keyboard::modifier_state_equals (ev->button.state, Keyboard::TertiaryModifier);
bool add = Keyboard::modifier_state_equals (ev->button.state, Keyboard::PrimaryModifier);
if (!extend && !add && _region->selection_size() > 1) {
_region->unique_select (_primary);
} else if (extend) {
_region->note_selected (_primary, true, true);
} else {
/* it was added during button press */
}
}
}
} else {
_region->note_dropped (_primary, total_dx(), - total_dy());
}
}
void
NoteDrag::aborted ()
{
/* XXX: TODO */
}
AutomationRangeDrag::AutomationRangeDrag (Editor* e, ArdourCanvas::Item* i, list<AudioRange> const & r)
: Drag (e, i)
, _ranges (r)
, _nothing_to_drag (false)
{
_atav = reinterpret_cast<AutomationTimeAxisView*> (_item->get_data ("trackview"));
assert (_atav);
_line = _atav->line ();
}
void
AutomationRangeDrag::start_grab (GdkEvent* event, Gdk::Cursor* cursor)
{
Drag::start_grab (event, cursor);
list<ControlPoint*> points;
XMLNode* state = &_line->get_state ();
if (_ranges.empty()) {
uint32_t const N = _line->npoints ();
for (uint32_t i = 0; i < N; ++i) {
points.push_back (_line->nth (i));
}
} else {
boost::shared_ptr<AutomationList> the_list = _line->the_list ();
for (list<AudioRange>::const_iterator j = _ranges.begin(); j != _ranges.end(); ++j) {
/* fade into and out of the region that we're dragging;
64 samples length plucked out of thin air.
*/
nframes64_t const h = (j->start + j->end) / 2;
nframes64_t a = j->start + 64;
if (a > h) {
a = h;
}
nframes64_t b = j->end - 64;
if (b < h) {
b = h;
}
the_list->add (j->start, the_list->eval (j->start));
_line->add_always_in_view (j->start);
the_list->add (a, the_list->eval (a));
_line->add_always_in_view (a);
the_list->add (b, the_list->eval (b));
_line->add_always_in_view (b);
the_list->add (j->end, the_list->eval (j->end));
_line->add_always_in_view (j->end);
}
uint32_t const N = _line->npoints ();
for (uint32_t i = 0; i < N; ++i) {
ControlPoint* p = _line->nth (i);
list<AudioRange>::const_iterator j = _ranges.begin ();
while (j != _ranges.end() && (j->start >= (*p->model())->when || j->end <= (*p->model())->when)) {
++j;
}
if (j != _ranges.end()) {
points.push_back (p);
}
}
}
if (points.empty()) {
_nothing_to_drag = true;
return;
}
_line->start_drag_multiple (points, 1 - (_drags->current_pointer_y() / _line->height ()), state);
}
void
AutomationRangeDrag::motion (GdkEvent* event, bool first_move)
{
if (_nothing_to_drag) {
return;
}
float const f = 1 - (_drags->current_pointer_y() / _line->height());
/* we are ignoring x position for this drag, so we can just pass in anything */
_line->drag_motion (0, f, true, false);
}
void
AutomationRangeDrag::finished (GdkEvent* event, bool)
{
if (_nothing_to_drag) {
return;
}
motion (event, false);
_line->end_drag ();
_line->clear_always_in_view ();
}
void
AutomationRangeDrag::aborted ()
{
_line->clear_always_in_view ();
_line->reset ();
}
DraggingView::DraggingView (RegionView* v)
: view (v)
{
initial_y = v->get_canvas_group()->property_y ();
initial_playlist = v->region()->playlist ();
}
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