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Make a new action "escape", bound to the Escape key, and make it 

abort a drag (if one is in progress) or clear the selection.
Fix breaking of drags in a few cases; some still to do.


git-svn-id: svn://localhost/ardour2/branches/3.0@6467 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington 2010-01-08 01:28:15 +00:00
parent 2e30bdba9f
commit 1a1edc9ca1
9 changed files with 264 additions and 32 deletions
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2
gtk2_ardour/ardour.menus.in
View File

@ -228,7 +228,7 @@
<menuitem action='boost-region-gain'/>
<menuitem action='cut-region-gain'/>
<separator/>
<menuitem action='break-drag'/>
<menuitem action='escape'/>
</menu>
<menu action="TempoMenu">
<menuitem action='set-tempo-from-region'/>

2
gtk2_ardour/editor.cc
View File

@ -2290,10 +2290,8 @@ Editor::set_state (const XMLNode& node, int /*version*/)
if ((prop = node.property ("mouse-mode"))) {
MouseMode m = str2mousemode(prop->value());
mouse_mode = MouseMode ((int) m + 1); /* lie, force mode switch */
set_mouse_mode (m, true);
} else {
mouse_mode = MouseGain; /* lie, to force the mode switch */
set_mouse_mode (MouseObject, true);
}

1
gtk2_ardour/editor.h
View File

@ -1282,6 +1282,7 @@ class Editor : public PublicEditor, public PBD::ScopedConnectionList, public ARD
Drag* _drag;
void break_drag ();
void escape ();
Gtk::Menu fade_context_menu;
void popup_fade_context_menu (int, int, ArdourCanvas::Item*, ItemType);

2
gtk2_ardour/editor_actions.cc
View File

@ -106,7 +106,7 @@ Editor::register_actions ()
/* add named actions for the editor */
ActionManager::register_action (editor_actions, "break-drag", _("Break drag"), sigc::mem_fun (*this, &Editor::break_drag));
ActionManager::register_action (editor_actions, "escape", _("Break drag or deselect all"), sigc::mem_fun (*this, &Editor::escape));
act = ActionManager::register_toggle_action (editor_actions, "show-editor-mixer", _("Show Editor Mixer"), sigc::mem_fun (*this, &Editor::editor_mixer_button_toggled));
ActionManager::session_sensitive_actions.push_back (act);

236
gtk2_ardour/editor_drag.cc
View File

@ -58,6 +58,7 @@ Drag::Drag (Editor* e, ArdourCanvas::Item* i)
, _item (i)
, _pointer_frame_offset (0)
, _have_transaction (false)
, _ending (false)
, _move_threshold_passed (false)
, _grab_frame (0)
, _last_pointer_frame (0)
@ -110,10 +111,6 @@ Drag::start_grab (GdkEvent* event, Gdk::Cursor *cursor)
_last_pointer_x = _current_pointer_x;
_last_pointer_y = _current_pointer_y;
_original_x = 0;
_original_y = 0;
_item->i2w (_original_x, _original_y);
_item->grab (Gdk::POINTER_MOTION_MASK|Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK,
*cursor,
event->button.time);
@ -222,24 +219,21 @@ Drag::motion_handler (GdkEvent* event, bool from_autoscroll)
return false;
}
void
Drag::break_drag ()
{
_editor->stop_canvas_autoscroll ();
_editor->hide_verbose_canvas_cursor ();
_ending = true;
if (_item) {
_item->ungrab (0);
/* put it back where it came from */
double cxw, cyw;
cxw = 0;
cyw = 0;
_item->i2w (cxw, cyw);
_item->move (_original_x - cxw, _original_y - cyw);
}
aborted ();
_editor->stop_canvas_autoscroll ();
_editor->hide_verbose_canvas_cursor ();
_ending = false;
}
pair<nframes64_t, nframes64_t>
@ -260,7 +254,9 @@ RegionDrag::RegionDrag (Editor* e, ArdourCanvas::Item* i, RegionView* p, list<Re
void
RegionDrag::region_going_away (RegionView* v)
{
_views.remove (v);
if (!ending ()) {
_views.remove (v);
}
}
pair<nframes64_t, nframes64_t>
@ -275,7 +271,8 @@ RegionMotionDrag::RegionMotionDrag (Editor* e, ArdourCanvas::Item* i, RegionView
: RegionDrag (e, i, p, v),
_dest_trackview (0),
_dest_layer (0),
_brushing (b)
_brushing (b),
_total_x_delta (0)
{
}
@ -709,6 +706,8 @@ RegionMotionDrag::motion (GdkEvent* event, bool first_move)
} /* foreach region */
_total_x_delta += x_delta;
if (first_move) {
_editor->cursor_group->raise_to_top();
}
@ -990,6 +989,40 @@ RegionMoveDrag::finished (GdkEvent* /*event*/, bool movement_occurred)
}
}
void
RegionMoveDrag::aborted ()
{
if (_copy) {
for (list<RegionView*>::const_iterator i = _views.begin(); i != _views.end(); ++i) {
delete *i;
}
_views.clear ();
} else {
RegionMotionDrag::aborted ();
}
}
void
RegionMotionDrag::aborted ()
{
for (list<RegionView*>::const_iterator i = _views.begin(); i != _views.end(); ++i) {
TimeAxisView* tv = &(*i)->get_time_axis_view ();
RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (tv);
assert (rtv);
(*i)->get_canvas_group()->reparent (*rtv->view()->canvas_item());
(*i)->get_canvas_group()->property_y() = 0;
(*i)->get_time_axis_view().reveal_dependent_views (**i);
(*i)->fake_set_opaque (false);
(*i)->move (-_total_x_delta, 0);
(*i)->set_height (rtv->view()->child_height ());
}
_editor->update_canvas_now ();
}
bool
RegionMotionDrag::x_move_allowed () const
@ -1060,7 +1093,7 @@ RegionMotionDrag::copy_regions (GdkEvent* event)
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 raking so long?
something to do with regionview creation taking so long?
*/
_editor->update_canvas_now();
}
@ -1273,6 +1306,12 @@ RegionInsertDrag::finished (GdkEvent* /*event*/, bool /*movement_occurred*/)
_views.clear ();
}
void
RegionInsertDrag::aborted ()
{
/* XXX: TODO */
}
RegionSpliceDrag::RegionSpliceDrag (Editor* e, ArdourCanvas::Item* i, RegionView* p, list<RegionView*> const & v)
: RegionMoveDrag (e, i, p, v, false, false)
{
@ -1349,6 +1388,11 @@ RegionSpliceDrag::finished (GdkEvent* /*event*/, bool)
}
void
RegionSpliceDrag::aborted ()
{
/* XXX: TODO */
}
RegionCreateDrag::RegionCreateDrag (Editor* e, ArdourCanvas::Item* i, TimeAxisView* v)
: Drag (e, i),
@ -1393,6 +1437,12 @@ RegionCreateDrag::finished (GdkEvent* event, bool movement_occurred)
}
}
void
RegionCreateDrag::aborted ()
{
/* XXX: TODO */
}
NoteResizeDrag::NoteResizeDrag (Editor* e, ArdourCanvas::Item* i)
: Drag (e, i)
, region (0)
@ -1465,6 +1515,12 @@ NoteResizeDrag::finished (GdkEvent*, bool /*movement_occurred*/)
}
}
void
NoteResizeDrag::aborted ()
{
/* XXX: TODO */
}
void
RegionGainDrag::motion (GdkEvent* /*event*/, bool)
{
@ -1477,6 +1533,12 @@ 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)
{
@ -1535,7 +1597,7 @@ TrimDrag::motion (GdkEvent* event, bool first_move)
nframes64_t frame_delta = 0;
bool left_direction;
bool obey_snap = !Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier());
bool obey_snap = event ? !Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier()) : false;
/* snap modifier works differently here..
its current state has to be passed to the
@ -1613,7 +1675,7 @@ TrimDrag::motion (GdkEvent* event, bool first_move)
bool non_overlap_trim = false;
if (Keyboard::modifier_state_equals (event->button.state, Keyboard::TertiaryModifier)) {
if (event && Keyboard::modifier_state_equals (event->button.state, Keyboard::TertiaryModifier)) {
non_overlap_trim = true;
}
@ -1644,7 +1706,7 @@ TrimDrag::motion (GdkEvent* event, bool first_move)
{
bool swap_direction = false;
if (Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
if (event && Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
swap_direction = true;
}
@ -1703,6 +1765,21 @@ TrimDrag::finished (GdkEvent* event, bool movement_occurred)
}
}
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)
@ -1791,6 +1868,12 @@ MeterMarkerDrag::finished (GdkEvent* event, bool movement_occurred)
}
}
void
MeterMarkerDrag::aborted ()
{
_marker->set_position (_marker->meter().frame ());
}
TempoMarkerDrag::TempoMarkerDrag (Editor* e, ArdourCanvas::Item* i, bool c)
: Drag (e, i),
_copy (c)
@ -1881,6 +1964,11 @@ TempoMarkerDrag::finished (GdkEvent* event, bool movement_occurred)
}
}
void
TempoMarkerDrag::aborted ()
{
_marker->set_position (_marker->tempo().frame());
}
CursorDrag::CursorDrag (Editor* e, ArdourCanvas::Item* i, bool s)
: Drag (e, i),
@ -1916,6 +2004,8 @@ CursorDrag::start_grab (GdkEvent* event, Gdk::Cursor* c)
}
}
_pointer_frame_offset = grab_frame() - _cursor->current_frame;
_editor->show_verbose_time_cursor (_cursor->current_frame, 10);
}
@ -1957,6 +2047,13 @@ CursorDrag::finished (GdkEvent* event, bool movement_occurred)
}
}
void
CursorDrag::aborted ()
{
_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)
{
@ -2050,6 +2147,20 @@ FadeInDrag::finished (GdkEvent* event, bool movement_occurred)
_editor->commit_reversible_command ();
}
void
FadeInDrag::aborted ()
{
for (RegionSelection::iterator i = _views.begin(); i != _views.end(); ++i) {
AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*i);
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)
{
@ -2147,6 +2258,20 @@ FadeOutDrag::finished (GdkEvent* event, bool movement_occurred)
_editor->commit_reversible_command ();
}
void
FadeOutDrag::aborted ()
{
for (RegionSelection::iterator i = _views.begin(); i != _views.end(); ++i) {
AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*i);
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)
{
@ -2459,6 +2584,12 @@ MarkerDrag::finished (GdkEvent* event, bool movement_occurred)
_line->hide();
}
void
MarkerDrag::aborted ()
{
/* XXX: TODO */
}
void
MarkerDrag::update_item (Location* location)
{
@ -2570,6 +2701,12 @@ ControlPointDrag::finished (GdkEvent* event, bool movement_occurred)
_point->line().end_drag ();
}
void
ControlPointDrag::aborted ()
{
/* XXX: TODO */
}
bool
ControlPointDrag::active (Editing::MouseMode m)
{
@ -2672,6 +2809,12 @@ LineDrag::finished (GdkEvent* event, bool)
_line->end_drag ();
}
void
LineDrag::aborted ()
{
/* XXX: TODO */
}
void
RubberbandSelectDrag::start_grab (GdkEvent* event, Gdk::Cursor *)
{
@ -2780,6 +2923,12 @@ RubberbandSelectDrag::finished (GdkEvent* event, bool movement_occurred)
_editor->rubberband_rect->hide();
}
void
RubberbandSelectDrag::aborted ()
{
/* XXX: TODO */
}
void
TimeFXDrag::start_grab (GdkEvent* event, Gdk::Cursor *)
{
@ -2843,6 +2992,13 @@ TimeFXDrag::finished (GdkEvent* /*event*/, bool movement_occurred)
}
}
void
TimeFXDrag::aborted ()
{
/* XXX: TODO */
}
void
ScrubDrag::start_grab (GdkEvent* event, Gdk::Cursor *)
{
@ -2864,6 +3020,12 @@ ScrubDrag::finished (GdkEvent* /*event*/, bool movement_occurred)
}
}
void
ScrubDrag::aborted ()
{
/* XXX: TODO */
}
SelectionDrag::SelectionDrag (Editor* e, ArdourCanvas::Item* i, Operation o)
: Drag (e, i)
, _operation (o)
@ -3135,6 +3297,12 @@ SelectionDrag::finished (GdkEvent* event, bool movement_occurred)
_editor->stop_canvas_autoscroll ();
}
void
SelectionDrag::aborted ()
{
/* XXX: TODO */
}
RangeMarkerBarDrag::RangeMarkerBarDrag (Editor* e, ArdourCanvas::Item* i, Operation o)
: Drag (e, i),
_operation (o),
@ -3337,7 +3505,11 @@ RangeMarkerBarDrag::finished (GdkEvent* event, bool movement_occurred)
_editor->stop_canvas_autoscroll ();
}
void
RangeMarkerBarDrag::aborted ()
{
/* XXX: TODO */
}
void
RangeMarkerBarDrag::update_item (Location* location)
@ -3415,6 +3587,12 @@ MouseZoomDrag::finished (GdkEvent* event, bool movement_occurred)
_editor->zoom_rect->hide();
}
void
MouseZoomDrag::aborted ()
{
/* XXX: TODO */
}
NoteDrag::NoteDrag (Editor* e, ArdourCanvas::Item* i)
: Drag (e, i)
{
@ -3542,6 +3720,12 @@ NoteDrag::finished (GdkEvent* ev, bool moved)
}
}
void
NoteDrag::aborted ()
{
/* XXX: TODO */
}
AutomationRangeDrag::AutomationRangeDrag (Editor* e, ArdourCanvas::Item* i, list<AudioRange> const & r)
: Drag (e, i)
, _ranges (r)
@ -3645,3 +3829,9 @@ AutomationRangeDrag::finished (GdkEvent* event, bool)
_line->end_drag ();
_line->clear_always_in_view ();
}
void
AutomationRangeDrag::aborted ()
{
/* XXX: TODO */
}

38
gtk2_ardour/editor_drag.h
View File

@ -52,9 +52,8 @@ public:
}
void swap_grab (ArdourCanvas::Item *, Gdk::Cursor *, uint32_t);
void break_drag ();
bool motion_handler (GdkEvent*, bool);
void break_drag ();
/** @return true if an end drag is in progress */
bool ending () const {
@ -94,6 +93,11 @@ public:
*/
virtual void finished (GdkEvent* e, bool m) = 0;
/** Called to abort a drag and return things to how
* they were before it started.
*/
virtual void aborted () = 0;
/** @param m Mouse mode.
* @return true if this drag should happen in this mouse mode.
*/
@ -162,10 +166,8 @@ protected:
private:
bool _ending; ///< true if end_grab is in progress, otherwise false
bool _ending; ///< true if end_grab or break_drag is in progress, otherwise false
bool _move_threshold_passed; ///< true if the move threshold has been passed, otherwise false
double _original_x; ///< original world x of the thing being dragged
double _original_y; ///< original world y of the thing being dragged
double _grab_x; ///< trackview x of the grab start position
double _grab_y; ///< trackview y of the grab start position
double _current_pointer_x; ///< trackview x of the current pointer
@ -209,6 +211,7 @@ public:
virtual void start_grab (GdkEvent *, Gdk::Cursor *);
virtual void motion (GdkEvent *, bool);
virtual void finished (GdkEvent *, bool) = 0;
virtual void aborted ();
protected:
struct TimeAxisViewSummary {
@ -237,6 +240,7 @@ protected:
bool check_possible (RouteTimeAxisView **, ARDOUR::layer_t *);
bool _brushing;
nframes64_t _last_frame_position; ///< last position of the thing being dragged
double _total_x_delta;
};
@ -252,6 +256,7 @@ public:
virtual void start_grab (GdkEvent *, Gdk::Cursor *);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
std::pair<nframes64_t, int> move_threshold () const {
return std::make_pair (4, 4);
@ -268,6 +273,7 @@ public:
RegionInsertDrag (Editor *, boost::shared_ptr<ARDOUR::Region>, RouteTimeAxisView*, nframes64_t);
void finished (GdkEvent *, bool);
void aborted ();
};
/** Region drag in splice mode */
@ -278,6 +284,7 @@ public:
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
};
/** Drags to create regions */
@ -289,6 +296,7 @@ public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
private:
TimeAxisView* _view;
@ -304,6 +312,7 @@ public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
private:
MidiRegionView* region;
@ -319,6 +328,7 @@ class NoteDrag : public Drag
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
private:
MidiRegionView* region;
@ -340,6 +350,8 @@ public:
bool active (Editing::MouseMode m) {
return (m == Editing::MouseGain);
}
void aborted ();
};
/** Drag to trim region(s) */
@ -357,6 +369,7 @@ public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
bool y_movement_matters () const {
return false;
@ -376,6 +389,7 @@ public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
bool allow_vertical_autoscroll () const {
return false;
@ -399,6 +413,7 @@ public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
bool allow_vertical_autoscroll () const {
return false;
@ -423,6 +438,7 @@ public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
bool active (Editing::MouseMode) {
return true;
@ -451,6 +467,7 @@ public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
bool y_movement_matters () const {
return false;
@ -466,6 +483,7 @@ public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
bool y_movement_matters () const {
return false;
@ -482,6 +500,7 @@ public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
bool allow_vertical_autoscroll () const {
return false;
@ -509,6 +528,7 @@ public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
bool active (Editing::MouseMode m);
@ -531,6 +551,7 @@ public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
bool active (Editing::MouseMode) {
return true;
@ -555,6 +576,7 @@ public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
};
/** Region drag in time-FX mode */
@ -566,6 +588,7 @@ public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
};
/** Scrub drag in audition mode */
@ -577,6 +600,7 @@ public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
};
/** Drag in range select mode */
@ -595,6 +619,7 @@ public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
private:
Operation _operation;
@ -619,6 +644,7 @@ public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
bool allow_vertical_autoscroll () const {
return false;
@ -645,6 +671,7 @@ public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
};
/** Drag of a range of automation data, changing value but not position */
@ -656,6 +683,7 @@ public:
void start_grab (GdkEvent *, Gdk::Cursor* c = 0);
void motion (GdkEvent *, bool);
void finished (GdkEvent *, bool);
void aborted ();
bool x_movement_matters () const {
return false;

12
gtk2_ardour/editor_mouse.cc
View File

@ -2638,11 +2638,23 @@ Editor::start_selection_grab (ArdourCanvas::Item* /*item*/, GdkEvent* event)
_drag->start_grab (event);
}
void
Editor::escape ()
{
if (_drag) {
break_drag ();
} else {
selection->clear ();
}
}
void
Editor::break_drag ()
{
if (_drag) {
_drag->break_drag ();
delete _drag;
_drag = 0;
}
}

2
gtk2_ardour/mnemonic-us.bindings.in
View File

@ -247,6 +247,8 @@ This mode provides many different operations on both regions and control points,
@eep|Editor/edit-to-playhead|<@SECONDARY@>Return|move EP to playhead
@trans|Editor/remove-last-capture|<@PRIMARY@>Delete|destroy last recording
@-group|Editor/escape|Escape|break drag or deselect all
;; keypad
@rop|Editor/nudge-backward|KP_Subtract|nudge backward

1
gtk2_ardour/time_axis_view_item.cc
View File

@ -115,6 +115,7 @@ TimeAxisViewItem::TimeAxisViewItem (const TimeAxisViewItem& other)
: sigc::trackable(other)
, PBD::ScopedConnectionList()
, trackview (other.trackview)
, _recregion (other._recregion)
{
Gdk::Color c;