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livetrax/gtk2_ardour/editor_mouse.cc
David Robillard da45f489dd Fixes for GCC 4.3. 
git-svn-id: svn://localhost/ardour2/branches/3.0@3303 d708f5d6-7413-0410-9779-e7cbd77b26cf
2008-05-02 18:35:05 +00:00

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/*
Copyright (C) 2000-2001 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <cassert>
#include <cstdlib>
#include <stdint.h>
#include <cmath>
#include <set>
#include <string>
#include <algorithm>
#include <pbd/error.h>
#include <gtkmm2ext/utils.h>
#include <pbd/memento_command.h>
#include <pbd/basename.h>
#include "ardour_ui.h"
#include "editor.h"
#include "time_axis_view.h"
#include "audio_time_axis.h"
#include "audio_region_view.h"
#include "midi_region_view.h"
#include "marker.h"
#include "streamview.h"
#include "region_gain_line.h"
#include "automation_time_axis.h"
#include "control_point.h"
#include "prompter.h"
#include "utils.h"
#include "selection.h"
#include "keyboard.h"
#include "editing.h"
#include "rgb_macros.h"
#include <ardour/types.h>
#include <ardour/profile.h>
#include <ardour/route.h>
#include <ardour/audio_track.h>
#include <ardour/audio_diskstream.h>
#include <ardour/midi_diskstream.h>
#include <ardour/playlist.h>
#include <ardour/audioplaylist.h>
#include <ardour/audioregion.h>
#include <ardour/midi_region.h>
#include <ardour/dB.h>
#include <ardour/utils.h>
#include <ardour/region_factory.h>
#include <ardour/source_factory.h>
#include <bitset>
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace sigc;
using namespace Gtk;
using namespace Editing;
const static double ZERO_GAIN_FRACTION = gain_to_slider_position(dB_to_coefficient(0.0));
bool
Editor::mouse_frame (nframes64_t& where, bool& in_track_canvas) const
{
int x, y;
double wx, wy;
Gdk::ModifierType mask;
Glib::RefPtr<Gdk::Window> canvas_window = const_cast<Editor*>(this)->track_canvas->get_window();
Glib::RefPtr<const Gdk::Window> pointer_window;
if (!canvas_window) {
return false;
}
pointer_window = canvas_window->get_pointer (x, y, mask);
if (pointer_window == track_canvas->get_bin_window()) {
track_canvas->window_to_world (x, y, wx, wy);
in_track_canvas = true;
} else {
in_track_canvas = false;
if (pointer_window == time_canvas->get_bin_window()) {
time_canvas->window_to_world (x, y, wx, wy);
} else {
return false;
}
}
wx += horizontal_adjustment.get_value();
wy += vertical_adjustment.get_value();
GdkEvent event;
event.type = GDK_BUTTON_RELEASE;
event.button.x = wx;
event.button.y = wy;
where = event_frame (&event, 0, 0);
return true;
}
nframes64_t
Editor::event_frame (GdkEvent* event, double* pcx, double* pcy) const
{
double cx, cy;
if (pcx == 0) {
pcx = &cx;
}
if (pcy == 0) {
pcy = &cy;
}
*pcx = 0;
*pcy = 0;
switch (event->type) {
case GDK_BUTTON_RELEASE:
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
track_canvas->w2c(event->button.x, event->button.y, *pcx, *pcy);
break;
case GDK_MOTION_NOTIFY:
track_canvas->w2c(event->motion.x, event->motion.y, *pcx, *pcy);
break;
case GDK_ENTER_NOTIFY:
case GDK_LEAVE_NOTIFY:
track_canvas->w2c(event->crossing.x, event->crossing.y, *pcx, *pcy);
break;
case GDK_KEY_PRESS:
case GDK_KEY_RELEASE:
// track_canvas->w2c(event->key.x, event->key.y, *pcx, *pcy);
break;
default:
warning << string_compose (_("Editor::event_frame() used on unhandled event type %1"), event->type) << endmsg;
break;
}
/* note that pixel_to_frame() never returns less than zero, so even if the pixel
position is negative (as can be the case with motion events in particular),
the frame location is always positive.
*/
return pixel_to_frame (*pcx);
}
void
Editor::mouse_mode_toggled (MouseMode m)
{
if (ignore_mouse_mode_toggle) {
return;
}
switch (m) {
case MouseRange:
if (mouse_select_button.get_active()) {
set_mouse_mode (m);
}
break;
case MouseObject:
if (mouse_move_button.get_active()) {
set_mouse_mode (m);
}
break;
case MouseGain:
if (mouse_gain_button.get_active()) {
set_mouse_mode (m);
}
break;
case MouseZoom:
if (mouse_zoom_button.get_active()) {
set_mouse_mode (m);
}
break;
case MouseTimeFX:
if (mouse_timefx_button.get_active()) {
set_mouse_mode (m);
}
break;
case MouseAudition:
if (mouse_audition_button.get_active()) {
set_mouse_mode (m);
}
break;
case MouseNote:
if (mouse_note_button.get_active()) {
set_mouse_mode (m);
}
break;
default:
break;
}
}
Gdk::Cursor*
Editor::which_grabber_cursor ()
{
switch (_edit_point) {
case EditAtMouse:
return grabber_edit_point_cursor;
break;
default:
return grabber_cursor;
break;
}
}
void
Editor::set_canvas_cursor ()
{
switch (mouse_mode) {
case MouseRange:
current_canvas_cursor = selector_cursor;
break;
case MouseObject:
current_canvas_cursor = which_grabber_cursor();
break;
case MouseGain:
current_canvas_cursor = cross_hair_cursor;
break;
case MouseZoom:
current_canvas_cursor = zoom_cursor;
break;
case MouseTimeFX:
current_canvas_cursor = time_fx_cursor; // just use playhead
break;
case MouseAudition:
current_canvas_cursor = speaker_cursor;
break;
case MouseNote:
set_midi_edit_cursor (current_midi_edit_mode());
break;
}
if (is_drawable()) {
track_canvas->get_window()->set_cursor(*current_canvas_cursor);
}
}
void
Editor::set_mouse_mode (MouseMode m, bool force)
{
if (drag_info.item) {
return;
}
if (!force && m == mouse_mode) {
return;
}
mouse_mode = m;
instant_save ();
if (mouse_mode != MouseRange) {
/* in all modes except range, hide the range selection,
show the object (region) selection.
*/
for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
(*i)->set_should_show_selection (true);
}
for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
(*i)->hide_selection ();
}
} else {
/*
in range mode,show the range selection.
*/
for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
if ((*i)->get_selected()) {
(*i)->show_selection (selection->time);
}
}
}
/* XXX the hack of unsetting all other buttons should go
away once GTK2 allows us to use regular radio buttons drawn like
normal buttons, rather than my silly GroupedButton hack.
*/
ignore_mouse_mode_toggle = true;
switch (mouse_mode) {
case MouseRange:
mouse_select_button.set_active (true);
break;
case MouseObject:
mouse_move_button.set_active (true);
break;
case MouseGain:
mouse_gain_button.set_active (true);
break;
case MouseZoom:
mouse_zoom_button.set_active (true);
break;
case MouseTimeFX:
mouse_timefx_button.set_active (true);
break;
case MouseAudition:
mouse_audition_button.set_active (true);
break;
case MouseNote:
mouse_note_button.set_active (true);
set_midi_edit_cursor (current_midi_edit_mode());
break;
}
if (mouse_mode == MouseNote)
midi_toolbar_frame.show();
else
midi_toolbar_frame.hide();
ignore_mouse_mode_toggle = false;
set_canvas_cursor ();
}
void
Editor::step_mouse_mode (bool next)
{
switch (current_mouse_mode()) {
case MouseObject:
if (next) set_mouse_mode (MouseRange);
else set_mouse_mode (MouseTimeFX);
break;
case MouseRange:
if (next) set_mouse_mode (MouseZoom);
else set_mouse_mode (MouseObject);
break;
case MouseZoom:
if (next) set_mouse_mode (MouseGain);
else set_mouse_mode (MouseRange);
break;
case MouseGain:
if (next) set_mouse_mode (MouseTimeFX);
else set_mouse_mode (MouseZoom);
break;
case MouseTimeFX:
if (next) set_mouse_mode (MouseAudition);
else set_mouse_mode (MouseGain);
break;
case MouseAudition:
if (next) set_mouse_mode (MouseObject);
else set_mouse_mode (MouseTimeFX);
break;
case MouseNote:
if (next) set_mouse_mode (MouseObject);
else set_mouse_mode (MouseAudition);
break;
}
}
void
Editor::midi_edit_mode_toggled (MidiEditMode m)
{
if (ignore_midi_edit_mode_toggle) {
return;
}
switch (m) {
case MidiEditPencil:
if (midi_tool_pencil_button.get_active())
set_midi_edit_mode (m);
break;
case MidiEditSelect:
if (midi_tool_select_button.get_active())
set_midi_edit_mode (m);
break;
case MidiEditResize:
if (midi_tool_resize_button.get_active())
set_midi_edit_mode (m);
break;
case MidiEditErase:
if (midi_tool_erase_button.get_active())
set_midi_edit_mode (m);
break;
default:
break;
}
set_midi_edit_cursor(m);
}
void
Editor::set_midi_edit_mode (MidiEditMode m, bool force)
{
if (drag_info.item) {
return;
}
if (!force && m == midi_edit_mode) {
return;
}
midi_edit_mode = m;
instant_save ();
ignore_midi_edit_mode_toggle = true;
switch (midi_edit_mode) {
case MidiEditPencil:
midi_tool_pencil_button.set_active (true);
break;
case MidiEditSelect:
midi_tool_select_button.set_active (true);
break;
case MidiEditResize:
midi_tool_resize_button.set_active (true);
break;
case MidiEditErase:
midi_tool_erase_button.set_active (true);
break;
}
ignore_midi_edit_mode_toggle = false;
set_midi_edit_cursor (current_midi_edit_mode());
if (is_drawable()) {
track_canvas->get_window()->set_cursor(*current_canvas_cursor);
}
}
void
Editor::set_midi_edit_cursor (MidiEditMode m)
{
switch (midi_edit_mode) {
case MidiEditPencil:
current_canvas_cursor = midi_pencil_cursor;
break;
case MidiEditSelect:
current_canvas_cursor = midi_select_cursor;
break;
case MidiEditResize:
current_canvas_cursor = midi_resize_cursor;
break;
case MidiEditErase:
current_canvas_cursor = midi_erase_cursor;
break;
}
}
void
Editor::button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type)
{
/* in object/audition/timefx mode, any button press sets
the selection if the object can be selected. this is a
bit of hack, because we want to avoid this if the
mouse operation is a region alignment.
note: not dbl-click or triple-click
*/
if (((mouse_mode != MouseObject) &&
(mouse_mode != MouseAudition || item_type != RegionItem) &&
(mouse_mode != MouseTimeFX || item_type != RegionItem) &&
(mouse_mode != MouseRange)) ||
((event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE) || event->button.button > 3)) {
return;
}
if (event->type == GDK_BUTTON_PRESS || event->type == GDK_BUTTON_RELEASE) {
if ((event->button.state & Keyboard::RelevantModifierKeyMask) && event->button.button != 1) {
/* almost no selection action on modified button-2 or button-3 events */
if (item_type != RegionItem && event->button.button != 2) {
return;
}
}
}
Selection::Operation op = Keyboard::selection_type (event->button.state);
bool press = (event->type == GDK_BUTTON_PRESS);
// begin_reversible_command (_("select on click"));
switch (item_type) {
case RegionItem:
if (mouse_mode != MouseRange) {
set_selected_regionview_from_click (press, op, true);
} else if (event->type == GDK_BUTTON_PRESS) {
set_selected_track_as_side_effect ();
}
break;
case RegionViewNameHighlight:
case RegionViewName:
if (mouse_mode != MouseRange) {
set_selected_regionview_from_click (press, op, true);
} else if (event->type == GDK_BUTTON_PRESS) {
set_selected_track_as_side_effect ();
}
break;
case FadeInHandleItem:
case FadeInItem:
case FadeOutHandleItem:
case FadeOutItem:
if (mouse_mode != MouseRange) {
set_selected_regionview_from_click (press, op, true);
} else if (event->type == GDK_BUTTON_PRESS) {
set_selected_track_as_side_effect ();
}
break;
case ControlPointItem:
set_selected_track_as_side_effect ();
if (mouse_mode != MouseRange) {
set_selected_control_point_from_click (op, false);
}
break;
case StreamItem:
/* for context click or range selection, select track */
if (event->button.button == 3) {
set_selected_track_as_side_effect ();
} else if (event->type == GDK_BUTTON_PRESS && mouse_mode == MouseRange) {
set_selected_track_as_side_effect ();
}
break;
case AutomationTrackItem:
set_selected_track_as_side_effect (true);
break;
default:
break;
}
}
bool
Editor::button_press_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type)
{
track_canvas->grab_focus();
if (session && session->actively_recording()) {
return true;
}
button_selection (item, event, item_type);
if (drag_info.item == 0 &&
(Keyboard::is_delete_event (&event->button) ||
Keyboard::is_context_menu_event (&event->button) ||
Keyboard::is_edit_event (&event->button))) {
/* handled by button release */
return true;
}
switch (event->button.button) {
case 1:
if (event->type == GDK_BUTTON_PRESS) {
if (drag_info.item) {
drag_info.item->ungrab (event->button.time);
}
/* single mouse clicks on any of these item types operate
independent of mouse mode, mostly because they are
not on the main track canvas or because we want
them to be modeless.
*/
switch (item_type) {
case PlayheadCursorItem:
start_cursor_grab (item, event);
return true;
case MarkerItem:
if (Keyboard::modifier_state_equals (event->button.state, Keyboard::ModifierMask(Keyboard::PrimaryModifier|Keyboard::TertiaryModifier))) {
hide_marker (item, event);
} else {
start_marker_grab (item, event);
}
return true;
case TempoMarkerItem:
if (Keyboard::modifier_state_contains (event->button.state, Keyboard::CopyModifier)) {
start_tempo_marker_copy_grab (item, event);
} else {
start_tempo_marker_grab (item, event);
}
return true;
case MeterMarkerItem:
if (Keyboard::modifier_state_contains (event->button.state, Keyboard::CopyModifier)) {
start_meter_marker_copy_grab (item, event);
} else {
start_meter_marker_grab (item, event);
}
return true;
case TempoBarItem:
return true;
case MeterBarItem:
return true;
case RangeMarkerBarItem:
start_range_markerbar_op (item, event, CreateRangeMarker);
return true;
break;
case CdMarkerBarItem:
start_range_markerbar_op (item, event, CreateCDMarker);
return true;
break;
case TransportMarkerBarItem:
start_range_markerbar_op (item, event, CreateTransportMarker);
return true;
break;
default:
break;
}
}
switch (mouse_mode) {
case MouseRange:
switch (item_type) {
case StartSelectionTrimItem:
start_selection_op (item, event, SelectionStartTrim);
break;
case EndSelectionTrimItem:
start_selection_op (item, event, SelectionEndTrim);
break;
case SelectionItem:
if (Keyboard::modifier_state_contains
(event->button.state, Keyboard::ModifierMask(Keyboard::SecondaryModifier))) {
// contains and not equals because I can't use alt as a modifier alone.
start_selection_grab (item, event);
} else if (Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
/* grab selection for moving */
start_selection_op (item, event, SelectionMove);
} else {
/* this was debated, but decided the more common action was to
make a new selection */
start_selection_op (item, event, CreateSelection);
}
break;
default:
start_selection_op (item, event, CreateSelection);
}
return true;
break;
case MouseObject:
if (Keyboard::modifier_state_contains (event->button.state, Keyboard::ModifierMask(Keyboard::PrimaryModifier|Keyboard::SecondaryModifier)) &&
event->type == GDK_BUTTON_PRESS) {
start_rubberband_select (item, event);
} else if (event->type == GDK_BUTTON_PRESS) {
switch (item_type) {
case FadeInHandleItem:
start_fade_in_grab (item, event);
return true;
case FadeOutHandleItem:
start_fade_out_grab (item, event);
return true;
case RegionItem:
if (Keyboard::modifier_state_contains (event->button.state, Keyboard::CopyModifier)) {
start_region_copy_grab (item, event);
} else if (Keyboard::the_keyboard().key_is_down (GDK_b)) {
start_region_brush_grab (item, event);
} else {
start_region_grab (item, event);
}
break;
case RegionViewNameHighlight:
start_trim (item, event);
return true;
break;
case RegionViewName:
/* rename happens on edit clicks */
start_trim (clicked_regionview->get_name_highlight(), event);
return true;
break;
case ControlPointItem:
start_control_point_grab (item, event);
return true;
break;
case AutomationLineItem:
start_line_grab_from_line (item, event);
return true;
break;
case StreamItem:
case AutomationTrackItem:
start_rubberband_select (item, event);
break;
#ifdef WITH_CMT
case ImageFrameHandleStartItem:
imageframe_start_handle_op(item, event) ;
return(true) ;
break ;
case ImageFrameHandleEndItem:
imageframe_end_handle_op(item, event) ;
return(true) ;
break ;
case MarkerViewHandleStartItem:
markerview_item_start_handle_op(item, event) ;
return(true) ;
break ;
case MarkerViewHandleEndItem:
markerview_item_end_handle_op(item, event) ;
return(true) ;
break ;
case MarkerViewItem:
start_markerview_grab(item, event) ;
break ;
case ImageFrameItem:
start_imageframe_grab(item, event) ;
break ;
#endif
case MarkerBarItem:
break;
default:
break;
}
}
return true;
break;
case MouseGain:
switch (item_type) {
case RegionItem:
// start_line_grab_from_regionview (item, event);
break;
case GainLineItem:
start_line_grab_from_line (item, event);
return true;
case ControlPointItem:
start_control_point_grab (item, event);
return true;
break;
default:
break;
}
return true;
break;
switch (item_type) {
case ControlPointItem:
start_control_point_grab (item, event);
break;
case AutomationLineItem:
start_line_grab_from_line (item, event);
break;
case RegionItem:
// XXX need automation mode to identify which
// line to use
// start_line_grab_from_regionview (item, event);
break;
default:
break;
}
return true;
break;
case MouseZoom:
if (event->type == GDK_BUTTON_PRESS) {
start_mouse_zoom (item, event);
}
return true;
break;
case MouseTimeFX:
if (item_type == RegionItem) {
start_time_fx (item, event);
}
break;
case MouseAudition:
_scrubbing = true;
scrub_reversals = 0;
scrub_reverse_distance = 0;
last_scrub_x = event->button.x;
scrubbing_direction = 0;
track_canvas->get_window()->set_cursor (*transparent_cursor);
/* rest handled in motion & release */
break;
case MouseNote:
start_create_region_grab (item, event);
break;
default:
break;
}
break;
case 2:
switch (mouse_mode) {
case MouseObject:
if (event->type == GDK_BUTTON_PRESS) {
switch (item_type) {
case RegionItem:
if (Keyboard::modifier_state_contains (event->button.state, Keyboard::CopyModifier)) {
start_region_copy_grab (item, event);
} else {
start_region_grab (item, event);
}
return true;
break;
case ControlPointItem:
start_control_point_grab (item, event);
return true;
break;
default:
break;
}
}
switch (item_type) {
case RegionViewNameHighlight:
start_trim (item, event);
return true;
break;
case RegionViewName:
start_trim (clicked_regionview->get_name_highlight(), event);
return true;
break;
default:
break;
}
break;
case MouseRange:
if (event->type == GDK_BUTTON_PRESS) {
/* relax till release */
}
return true;
break;
case MouseZoom:
if (Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
temporal_zoom_session();
} else {
temporal_zoom_to_frame (true, event_frame(event));
}
return true;
break;
default:
break;
}
break;
case 3:
break;
default:
break;
}
return false;
}
bool
Editor::button_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type)
{
nframes_t where = event_frame (event, 0, 0);
AutomationTimeAxisView* atv = 0;
/* no action if we're recording */
if (session && session->actively_recording()) {
return true;
}
/* first, see if we're finishing a drag ... */
if (drag_info.item) {
if (end_grab (item, event)) {
/* grab dragged, so do nothing else */
return true;
}
}
button_selection (item, event, item_type);
/* edit events get handled here */
if (drag_info.item == 0 && Keyboard::is_edit_event (&event->button)) {
switch (item_type) {
case RegionItem:
edit_region ();
break;
case TempoMarkerItem:
edit_tempo_marker (item);
break;
case MeterMarkerItem:
edit_meter_marker (item);
break;
case RegionViewName:
if (clicked_regionview->name_active()) {
return mouse_rename_region (item, event);
}
break;
default:
break;
}
return true;
}
/* context menu events get handled here */
if (Keyboard::is_context_menu_event (&event->button)) {
if (drag_info.item == 0) {
/* no matter which button pops up the context menu, tell the menu
widget to use button 1 to drive menu selection.
*/
switch (item_type) {
case FadeInItem:
case FadeInHandleItem:
case FadeOutItem:
case FadeOutHandleItem:
popup_fade_context_menu (1, event->button.time, item, item_type);
break;
case StreamItem:
popup_track_context_menu (1, event->button.time, item_type, false, where);
break;
case RegionItem:
case RegionViewNameHighlight:
case RegionViewName:
popup_track_context_menu (1, event->button.time, item_type, false, where);
break;
case SelectionItem:
popup_track_context_menu (1, event->button.time, item_type, true, where);
break;
case AutomationTrackItem:
popup_track_context_menu (1, event->button.time, item_type, false, where);
break;
case MarkerBarItem:
case RangeMarkerBarItem:
case TransportMarkerBarItem:
case CdMarkerBarItem:
case TempoBarItem:
case MeterBarItem:
popup_ruler_menu (pixel_to_frame(event->button.x), item_type);
break;
case MarkerItem:
marker_context_menu (&event->button, item);
break;
case TempoMarkerItem:
tm_marker_context_menu (&event->button, item);
break;
case MeterMarkerItem:
tm_marker_context_menu (&event->button, item);
break;
case CrossfadeViewItem:
popup_track_context_menu (1, event->button.time, item_type, false, where);
break;
#ifdef WITH_CMT
case ImageFrameItem:
popup_imageframe_edit_menu(1, event->button.time, item, true) ;
break ;
case ImageFrameTimeAxisItem:
popup_imageframe_edit_menu(1, event->button.time, item, false) ;
break ;
case MarkerViewItem:
popup_marker_time_axis_edit_menu(1, event->button.time, item, true) ;
break ;
case MarkerTimeAxisItem:
popup_marker_time_axis_edit_menu(1, event->button.time, item, false) ;
break ;
#endif
default:
break;
}
return true;
}
}
/* delete events get handled here */
if (drag_info.item == 0 && Keyboard::is_delete_event (&event->button)) {
switch (item_type) {
case TempoMarkerItem:
remove_tempo_marker (item);
break;
case MeterMarkerItem:
remove_meter_marker (item);
break;
case MarkerItem:
remove_marker (*item, event);
break;
case RegionItem:
if (mouse_mode == MouseObject) {
remove_clicked_region ();
}
break;
case ControlPointItem:
if (mouse_mode == MouseGain) {
remove_gain_control_point (item, event);
} else {
remove_control_point (item, event);
}
break;
default:
break;
}
return true;
}
switch (event->button.button) {
case 1:
switch (item_type) {
/* see comments in button_press_handler */
case PlayheadCursorItem:
case MarkerItem:
case GainLineItem:
case AutomationLineItem:
case StartSelectionTrimItem:
case EndSelectionTrimItem:
return true;
case MarkerBarItem:
if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
snap_to (where, 0, true);
}
mouse_add_new_marker (where);
return true;
case CdMarkerBarItem:
// if we get here then a dragged range wasn't done
if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
snap_to (where, 0, true);
}
mouse_add_new_marker (where, true);
return true;
case TempoBarItem:
if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
snap_to (where);
}
mouse_add_new_tempo_event (where);
return true;
case MeterBarItem:
mouse_add_new_meter_event (pixel_to_frame (event->button.x));
return true;
break;
default:
break;
}
switch (mouse_mode) {
case MouseObject:
switch (item_type) {
case AutomationTrackItem:
atv = dynamic_cast<AutomationTimeAxisView*>(clicked_routeview);
if (atv) {
atv->add_automation_event (item, event, where, event->button.y);
}
return true;
break;
default:
break;
}
break;
case MouseGain:
// Gain only makes sense for audio regions
if (!dynamic_cast<AudioRegionView*>(clicked_regionview)) {
break;
}
switch (item_type) {
case RegionItem:
dynamic_cast<AudioRegionView*>(clicked_regionview)->add_gain_point_event (item, event);
return true;
break;
case AutomationTrackItem:
dynamic_cast<AutomationTimeAxisView*>(clicked_axisview)->
add_automation_event (item, event, where, event->button.y);
return true;
break;
default:
break;
}
break;
case MouseAudition:
_scrubbing = false;
track_canvas->get_window()->set_cursor (*current_canvas_cursor);
if (scrubbing_direction == 0) {
/* no drag, just a click */
switch (item_type) {
case RegionItem:
play_selected_region ();
break;
default:
break;
}
} else {
/* make sure we stop */
session->request_transport_speed (0.0);
}
break;
default:
break;
}
return true;
break;
case 2:
switch (mouse_mode) {
case MouseObject:
switch (item_type) {
case RegionItem:
if (Keyboard::modifier_state_equals (event->button.state, Keyboard::TertiaryModifier)) {
raise_region ();
} else if (Keyboard::modifier_state_equals (event->button.state, Keyboard::ModifierMask (Keyboard::TertiaryModifier|Keyboard::SecondaryModifier))) {
lower_region ();
} else {
// Button2 click is unused
}
return true;
break;
default:
break;
}
break;
case MouseRange:
// x_style_paste (where, 1.0);
return true;
break;
default:
break;
}
break;
case 3:
break;
default:
break;
}
return false;
}
bool
Editor::enter_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type)
{
ControlPoint* cp;
Marker * marker;
double fraction;
if (last_item_entered != item) {
last_item_entered = item;
last_item_entered_n = 0;
}
switch (item_type) {
case ControlPointItem:
if (mouse_mode == MouseGain || mouse_mode == MouseObject) {
cp = static_cast<ControlPoint*>(item->get_data ("control_point"));
cp->set_visible (true);
double at_x, at_y;
at_x = cp->get_x();
at_y = cp->get_y ();
cp->item()->i2w (at_x, at_y);
at_x += 20.0;
at_y += 20.0;
fraction = 1.0 - (cp->get_y() / cp->line().height());
if (is_drawable() && !_scrubbing) {
track_canvas->get_window()->set_cursor (*fader_cursor);
}
last_item_entered_n++;
set_verbose_canvas_cursor (cp->line().get_verbose_cursor_string (fraction), at_x, at_y);
if (last_item_entered_n < 10) {
show_verbose_canvas_cursor ();
}
}
break;
case GainLineItem:
if (mouse_mode == MouseGain) {
ArdourCanvas::Line *line = dynamic_cast<ArdourCanvas::Line *> (item);
if (line)
line->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_EnteredGainLine.get();
if (is_drawable()) {
track_canvas->get_window()->set_cursor (*fader_cursor);
}
}
break;
case AutomationLineItem:
if (mouse_mode == MouseGain || mouse_mode == MouseObject) {
{
ArdourCanvas::Line *line = dynamic_cast<ArdourCanvas::Line *> (item);
if (line)
line->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_EnteredAutomationLine.get();
}
if (is_drawable()) {
track_canvas->get_window()->set_cursor (*fader_cursor);
}
}
break;
case RegionViewNameHighlight:
if (is_drawable() && mouse_mode == MouseObject) {
track_canvas->get_window()->set_cursor (*trimmer_cursor);
}
break;
case StartSelectionTrimItem:
case EndSelectionTrimItem:
#ifdef WITH_CMT
case ImageFrameHandleStartItem:
case ImageFrameHandleEndItem:
case MarkerViewHandleStartItem:
case MarkerViewHandleEndItem:
#endif
if (is_drawable()) {
track_canvas->get_window()->set_cursor (*trimmer_cursor);
}
break;
case PlayheadCursorItem:
if (is_drawable()) {
switch (_edit_point) {
case EditAtMouse:
track_canvas->get_window()->set_cursor (*grabber_edit_point_cursor);
break;
default:
track_canvas->get_window()->set_cursor (*grabber_cursor);
break;
}
}
break;
case RegionViewName:
/* when the name is not an active item, the entire name highlight is for trimming */
if (!reinterpret_cast<RegionView *> (item->get_data ("regionview"))->name_active()) {
if (mouse_mode == MouseObject && is_drawable()) {
track_canvas->get_window()->set_cursor (*trimmer_cursor);
}
}
break;
case AutomationTrackItem:
if (is_drawable()) {
Gdk::Cursor *cursor;
switch (mouse_mode) {
case MouseRange:
cursor = selector_cursor;
break;
case MouseZoom:
cursor = zoom_cursor;
break;
default:
cursor = cross_hair_cursor;
break;
}
track_canvas->get_window()->set_cursor (*cursor);
AutomationTimeAxisView* atv;
if ((atv = static_cast<AutomationTimeAxisView*>(item->get_data ("trackview"))) != 0) {
clear_entered_track = false;
set_entered_track (atv);
}
}
break;
case MarkerBarItem:
case RangeMarkerBarItem:
case TransportMarkerBarItem:
case CdMarkerBarItem:
case MeterBarItem:
case TempoBarItem:
if (is_drawable()) {
time_canvas->get_window()->set_cursor (*timebar_cursor);
}
break;
case MarkerItem:
if ((marker = static_cast<Marker *> (item->get_data ("marker"))) == 0) {
break;
}
entered_marker = marker;
marker->set_color_rgba (ARDOUR_UI::config()->canvasvar_EnteredMarker.get());
// fall through
case MeterMarkerItem:
case TempoMarkerItem:
if (is_drawable()) {
time_canvas->get_window()->set_cursor (*timebar_cursor);
}
break;
case FadeInHandleItem:
case FadeOutHandleItem:
if (mouse_mode == MouseObject) {
ArdourCanvas::SimpleRect *rect = dynamic_cast<ArdourCanvas::SimpleRect *> (item);
if (rect) {
rect->property_fill_color_rgba() = 0;
rect->property_outline_pixels() = 1;
}
}
break;
default:
break;
}
/* second pass to handle entered track status in a comprehensible way.
*/
switch (item_type) {
case GainLineItem:
case AutomationLineItem:
case ControlPointItem:
/* these do not affect the current entered track state */
clear_entered_track = false;
break;
case AutomationTrackItem:
/* handled above already */
break;
default:
set_entered_track (0);
break;
}
return false;
}
bool
Editor::leave_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type)
{
AutomationLine* al;
ControlPoint* cp;
Marker *marker;
Location *loc;
RegionView* rv;
bool is_start;
switch (item_type) {
case ControlPointItem:
cp = reinterpret_cast<ControlPoint*>(item->get_data ("control_point"));
if (cp->line().the_list()->interpolation() != AutomationList::Discrete) {
if (cp->line().npoints() > 1 && !cp->selected()) {
cp->set_visible (false);
}
}
if (is_drawable()) {
track_canvas->get_window()->set_cursor (*current_canvas_cursor);
}
hide_verbose_canvas_cursor ();
break;
case RegionViewNameHighlight:
case StartSelectionTrimItem:
case EndSelectionTrimItem:
case PlayheadCursorItem:
#ifdef WITH_CMT
case ImageFrameHandleStartItem:
case ImageFrameHandleEndItem:
case MarkerViewHandleStartItem:
case MarkerViewHandleEndItem:
#endif
if (is_drawable()) {
track_canvas->get_window()->set_cursor (*current_canvas_cursor);
}
break;
case GainLineItem:
case AutomationLineItem:
al = reinterpret_cast<AutomationLine*> (item->get_data ("line"));
{
ArdourCanvas::Line *line = dynamic_cast<ArdourCanvas::Line *> (item);
if (line)
line->property_fill_color_rgba() = al->get_line_color();
}
if (is_drawable()) {
track_canvas->get_window()->set_cursor (*current_canvas_cursor);
}
break;
case RegionViewName:
/* see enter_handler() for notes */
if (!reinterpret_cast<RegionView *> (item->get_data ("regionview"))->name_active()) {
if (is_drawable() && mouse_mode == MouseObject) {
track_canvas->get_window()->set_cursor (*current_canvas_cursor);
}
}
break;
case RangeMarkerBarItem:
case TransportMarkerBarItem:
case CdMarkerBarItem:
case MeterBarItem:
case TempoBarItem:
case MarkerBarItem:
if (is_drawable()) {
time_canvas->get_window()->set_cursor (*timebar_cursor);
}
break;
case MarkerItem:
if ((marker = static_cast<Marker *> (item->get_data ("marker"))) == 0) {
break;
}
entered_marker = 0;
if ((loc = find_location_from_marker (marker, is_start)) != 0) {
location_flags_changed (loc, this);
}
// fall through
case MeterMarkerItem:
case TempoMarkerItem:
if (is_drawable()) {
time_canvas->get_window()->set_cursor (*timebar_cursor);
}
break;
case FadeInHandleItem:
case FadeOutHandleItem:
rv = static_cast<RegionView*>(item->get_data ("regionview"));
{
ArdourCanvas::SimpleRect *rect = dynamic_cast<ArdourCanvas::SimpleRect *> (item);
if (rect) {
rect->property_fill_color_rgba() = rv->get_fill_color();
rect->property_outline_pixels() = 0;
}
}
break;
case AutomationTrackItem:
if (is_drawable()) {
track_canvas->get_window()->set_cursor (*current_canvas_cursor);
clear_entered_track = true;
Glib::signal_idle().connect (mem_fun(*this, &Editor::left_automation_track));
}
break;
default:
break;
}
return false;
}
gint
Editor::left_automation_track ()
{
if (clear_entered_track) {
set_entered_track (0);
clear_entered_track = false;
}
return false;
}
void
Editor::scrub ()
{
double delta;
if (scrubbing_direction == 0) {
/* first move */
session->request_locate (drag_info.current_pointer_frame, false);
session->request_transport_speed (0.1);
scrubbing_direction = 1;
} else {
if (last_scrub_x > drag_info.current_pointer_x) {
/* pointer moved to the left */
if (scrubbing_direction > 0) {
/* we reversed direction to go backwards */
scrub_reversals++;
scrub_reverse_distance += (int) (last_scrub_x - drag_info.current_pointer_x);
} else {
/* still moving to the left (backwards) */
scrub_reversals = 0;
scrub_reverse_distance = 0;
delta = 0.01 * (last_scrub_x - drag_info.current_pointer_x);
session->request_transport_speed (session->transport_speed() - delta);
}
} else {
/* pointer moved to the right */
if (scrubbing_direction < 0) {
/* we reversed direction to go forward */
scrub_reversals++;
scrub_reverse_distance += (int) (drag_info.current_pointer_x - last_scrub_x);
} else {
/* still moving to the right */
scrub_reversals = 0;
scrub_reverse_distance = 0;
delta = 0.01 * (drag_info.current_pointer_x - last_scrub_x);
session->request_transport_speed (session->transport_speed() + delta);
}
}
/* if there have been more than 2 opposite motion moves detected, or one that moves
back more than 10 pixels, reverse direction
*/
if (scrub_reversals >= 2 || scrub_reverse_distance > 10) {
if (scrubbing_direction > 0) {
/* was forwards, go backwards */
session->request_transport_speed (-0.1);
scrubbing_direction = -1;
} else {
/* was backwards, go forwards */
session->request_transport_speed (0.1);
scrubbing_direction = 1;
}
scrub_reverse_distance = 0;
scrub_reversals = 0;
}
}
last_scrub_x = drag_info.current_pointer_x;
}
bool
Editor::motion_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type, bool from_autoscroll)
{
if (event->motion.is_hint) {
gint x, y;
/* We call this so that MOTION_NOTIFY events continue to be
delivered to the canvas. We need to do this because we set
Gdk::POINTER_MOTION_HINT_MASK on the canvas. This reduces
the density of the events, at the expense of a round-trip
to the server. Given that this will mostly occur on cases
where DISPLAY = :0.0, and given the cost of what the motion
event might do, its a good tradeoff.
*/
track_canvas->get_pointer (x, y);
}
if (current_stepping_trackview) {
/* don't keep the persistent stepped trackview if the mouse moves */
current_stepping_trackview = 0;
step_timeout.disconnect ();
}
if (session && session->actively_recording()) {
/* Sorry. no dragging stuff around while we record */
return true;
}
drag_info.item_type = item_type;
drag_info.last_pointer_x = drag_info.current_pointer_x;
drag_info.last_pointer_y = drag_info.current_pointer_y;
drag_info.current_pointer_frame = event_frame (event, &drag_info.current_pointer_x,
&drag_info.current_pointer_y);
switch (mouse_mode) {
case MouseAudition:
if (_scrubbing) {
scrub ();
}
break;
default:
break;
}
if (!from_autoscroll && drag_info.item) {
/* item != 0 is the best test i can think of for dragging.
*/
if (!drag_info.move_threshold_passed) {
bool x_threshold_passed = (::llabs ((nframes64_t) (drag_info.current_pointer_x - drag_info.grab_x)) > 4LL);
bool y_threshold_passed = (::llabs ((nframes64_t) (drag_info.current_pointer_y - drag_info.grab_y)) > 4LL);
drag_info.move_threshold_passed = (x_threshold_passed || y_threshold_passed);
// and change the initial grab loc/frame if this drag info wants us to
if (drag_info.want_move_threshold && drag_info.move_threshold_passed) {
drag_info.grab_frame = drag_info.current_pointer_frame;
drag_info.grab_x = drag_info.current_pointer_x;
drag_info.grab_y = drag_info.current_pointer_y;
drag_info.last_pointer_frame = drag_info.grab_frame;
drag_info.pointer_frame_offset = drag_info.grab_frame - drag_info.last_frame_position;
}
}
}
switch (item_type) {
case PlayheadCursorItem:
case MarkerItem:
case ControlPointItem:
case TempoMarkerItem:
case MeterMarkerItem:
case RegionViewNameHighlight:
case StartSelectionTrimItem:
case EndSelectionTrimItem:
case SelectionItem:
case GainLineItem:
case AutomationLineItem:
case FadeInHandleItem:
case FadeOutHandleItem:
#ifdef WITH_CMT
case ImageFrameHandleStartItem:
case ImageFrameHandleEndItem:
case MarkerViewHandleStartItem:
case MarkerViewHandleEndItem:
#endif
if (drag_info.item && (event->motion.state & Gdk::BUTTON1_MASK ||
(event->motion.state & Gdk::BUTTON2_MASK))) {
if (!from_autoscroll) {
maybe_autoscroll (&event->motion);
}
(this->*(drag_info.motion_callback)) (item, event);
goto handled;
}
goto not_handled;
default:
break;
}
switch (mouse_mode) {
case MouseObject:
case MouseRange:
case MouseZoom:
case MouseTimeFX:
case MouseNote:
if (drag_info.item && (event->motion.state & GDK_BUTTON1_MASK ||
(event->motion.state & GDK_BUTTON2_MASK))) {
if (!from_autoscroll) {
maybe_autoscroll (&event->motion);
}
(this->*(drag_info.motion_callback)) (item, event);
goto handled;
}
goto not_handled;
break;
default:
break;
}
handled:
track_canvas_motion (event);
// drag_info.last_pointer_frame = drag_info.current_pointer_frame;
return true;
not_handled:
return false;
}
void
Editor::break_drag ()
{
stop_canvas_autoscroll ();
hide_verbose_canvas_cursor ();
if (drag_info.item) {
drag_info.item->ungrab (0);
/* put it back where it came from */
double cxw, cyw;
cxw = 0;
cyw = 0;
drag_info.item->i2w (cxw, cyw);
drag_info.item->move (drag_info.original_x - cxw, drag_info.original_y - cyw);
}
finalize_drag ();
}
void
Editor::finalize_drag ()
{
drag_info.item = 0;
drag_info.copy = false;
drag_info.motion_callback = 0;
drag_info.finished_callback = 0;
drag_info.dest_trackview = 0;
drag_info.source_trackview = 0;
drag_info.last_frame_position = 0;
drag_info.grab_frame = 0;
drag_info.last_pointer_frame = 0;
drag_info.current_pointer_frame = 0;
drag_info.brushing = false;
if (drag_info.copied_location) {
delete drag_info.copied_location;
drag_info.copied_location = 0;
}
}
void
Editor::start_grab (GdkEvent* event, Gdk::Cursor *cursor)
{
if (drag_info.item == 0) {
fatal << _("programming error: start_grab called without drag item") << endmsg;
/*NOTREACHED*/
return;
}
if (cursor == 0) {
cursor = which_grabber_cursor ();
}
// if dragging with button2, the motion is x constrained, with Alt-button2 it is y constrained
if (event->button.button == 2) {
if (Keyboard::modifier_state_equals (event->button.state, Keyboard::SecondaryModifier)) {
drag_info.y_constrained = true;
drag_info.x_constrained = false;
} else {
drag_info.y_constrained = false;
drag_info.x_constrained = true;
}
} else {
drag_info.x_constrained = false;
drag_info.y_constrained = false;
}
drag_info.grab_frame = event_frame (event, &drag_info.grab_x, &drag_info.grab_y);
drag_info.last_pointer_frame = drag_info.grab_frame;
drag_info.current_pointer_frame = drag_info.grab_frame;
drag_info.current_pointer_x = drag_info.grab_x;
drag_info.current_pointer_y = drag_info.grab_y;
drag_info.last_pointer_x = drag_info.current_pointer_x;
drag_info.last_pointer_y = drag_info.current_pointer_y;
drag_info.cumulative_x_drag = 0;
drag_info.cumulative_y_drag = 0;
drag_info.first_move = true;
drag_info.move_threshold_passed = false;
drag_info.want_move_threshold = false;
drag_info.pointer_frame_offset = 0;
drag_info.brushing = false;
drag_info.copied_location = 0;
drag_info.original_x = 0;
drag_info.original_y = 0;
drag_info.item->i2w (drag_info.original_x, drag_info.original_y);
drag_info.item->grab (Gdk::POINTER_MOTION_MASK|Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK,
*cursor,
event->button.time);
if (session && session->transport_rolling()) {
drag_info.was_rolling = true;
} else {
drag_info.was_rolling = false;
}
switch (snap_type) {
case SnapToRegionStart:
case SnapToRegionEnd:
case SnapToRegionSync:
case SnapToRegionBoundary:
build_region_boundary_cache ();
break;
default:
break;
}
}
void
Editor::swap_grab (ArdourCanvas::Item* new_item, Gdk::Cursor* cursor, uint32_t time)
{
drag_info.item->ungrab (0);
drag_info.item = new_item;
if (cursor == 0) {
cursor = which_grabber_cursor ();
}
drag_info.item->grab (Gdk::POINTER_MOTION_MASK|Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK, *cursor, time);
}
bool
Editor::end_grab (ArdourCanvas::Item* item, GdkEvent* event)
{
bool did_drag = false;
stop_canvas_autoscroll ();
if (drag_info.item == 0) {
return false;
}
drag_info.item->ungrab (event->button.time);
if (drag_info.finished_callback) {
drag_info.last_pointer_x = drag_info.current_pointer_x;
drag_info.last_pointer_y = drag_info.current_pointer_y;
(this->*(drag_info.finished_callback)) (item, event);
}
did_drag = !drag_info.first_move;
hide_verbose_canvas_cursor();
finalize_drag ();
return did_drag;
}
void
Editor::start_fade_in_grab (ArdourCanvas::Item* item, GdkEvent* event)
{
drag_info.item = item;
drag_info.motion_callback = &Editor::fade_in_drag_motion_callback;
drag_info.finished_callback = &Editor::fade_in_drag_finished_callback;
start_grab (event);
if ((drag_info.data = (item->get_data ("regionview"))) == 0) {
fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
/*NOTREACHED*/
}
AudioRegionView* arv = static_cast<AudioRegionView*>(drag_info.data);
drag_info.pointer_frame_offset = drag_info.grab_frame - ((nframes_t) arv->audio_region()->fade_in()->back()->when + arv->region()->position());
}
void
Editor::fade_in_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
AudioRegionView* arv = static_cast<AudioRegionView*>(drag_info.data);
nframes_t pos;
nframes_t fade_length;
if (drag_info.current_pointer_frame > drag_info.pointer_frame_offset) {
pos = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
}
else {
pos = 0;
}
if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
snap_to (pos);
}
if (pos < (arv->region()->position() + 64)) {
fade_length = 64; // this should be a minimum defined somewhere
} else if (pos > arv->region()->last_frame()) {
fade_length = arv->region()->length();
} else {
fade_length = pos - arv->region()->position();
}
/* mapover the region selection */
for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*i);
if (!tmp) {
continue;
}
tmp->reset_fade_in_shape_width (fade_length);
}
show_verbose_duration_cursor (arv->region()->position(), arv->region()->position() + fade_length, 10);
drag_info.first_move = false;
}
void
Editor::fade_in_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
AudioRegionView* arv = static_cast<AudioRegionView*>(drag_info.data);
nframes_t pos;
nframes_t fade_length;
if (drag_info.first_move) return;
if (drag_info.current_pointer_frame > drag_info.pointer_frame_offset) {
pos = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
} else {
pos = 0;
}
if (pos < (arv->region()->position() + 64)) {
fade_length = 64; // this should be a minimum defined somewhere
} else if (pos > arv->region()->last_frame()) {
fade_length = arv->region()->length();
} else {
fade_length = pos - arv->region()->position();
}
begin_reversible_command (_("change fade in length"));
for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*i);
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();
session->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &after));
}
commit_reversible_command ();
}
void
Editor::start_fade_out_grab (ArdourCanvas::Item* item, GdkEvent* event)
{
drag_info.item = item;
drag_info.motion_callback = &Editor::fade_out_drag_motion_callback;
drag_info.finished_callback = &Editor::fade_out_drag_finished_callback;
start_grab (event);
if ((drag_info.data = (item->get_data ("regionview"))) == 0) {
fatal << _("programming error: fade out canvas item has no regionview data pointer!") << endmsg;
/*NOTREACHED*/
}
AudioRegionView* arv = static_cast<AudioRegionView*>(drag_info.data);
drag_info.pointer_frame_offset = drag_info.grab_frame - (arv->region()->length() - (nframes_t) arv->audio_region()->fade_out()->back()->when + arv->region()->position());
}
void
Editor::fade_out_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
AudioRegionView* arv = static_cast<AudioRegionView*>(drag_info.data);
nframes_t pos;
nframes_t fade_length;
if (drag_info.current_pointer_frame > drag_info.pointer_frame_offset) {
pos = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
} else {
pos = 0;
}
if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
snap_to (pos);
}
if (pos > (arv->region()->last_frame() - 64)) {
fade_length = 64; // this should really be a minimum fade defined somewhere
}
else if (pos < arv->region()->position()) {
fade_length = arv->region()->length();
}
else {
fade_length = arv->region()->last_frame() - pos;
}
/* mapover the region selection */
for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*i);
if (!tmp) {
continue;
}
tmp->reset_fade_out_shape_width (fade_length);
}
show_verbose_duration_cursor (arv->region()->last_frame() - fade_length, arv->region()->last_frame(), 10);
drag_info.first_move = false;
}
void
Editor::fade_out_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
if (drag_info.first_move) return;
AudioRegionView* arv = static_cast<AudioRegionView*>(drag_info.data);
nframes_t pos;
nframes_t fade_length;
if (drag_info.current_pointer_frame > drag_info.pointer_frame_offset) {
pos = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
}
else {
pos = 0;
}
if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
snap_to (pos);
}
if (pos > (arv->region()->last_frame() - 64)) {
fade_length = 64; // this should really be a minimum fade defined somewhere
}
else if (pos < arv->region()->position()) {
fade_length = arv->region()->length();
}
else {
fade_length = arv->region()->last_frame() - pos;
}
begin_reversible_command (_("change fade out length"));
for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
AudioRegionView* tmp = dynamic_cast<AudioRegionView*> (*i);
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();
session->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &after));
}
commit_reversible_command ();
}
void
Editor::start_cursor_grab (ArdourCanvas::Item* item, GdkEvent* event)
{
drag_info.item = item;
drag_info.motion_callback = &Editor::cursor_drag_motion_callback;
drag_info.finished_callback = &Editor::cursor_drag_finished_callback;
start_grab (event);
if ((drag_info.data = (item->get_data ("cursor"))) == 0) {
fatal << _("programming error: cursor canvas item has no cursor data pointer!") << endmsg;
/*NOTREACHED*/
}
Cursor* cursor = (Cursor *) drag_info.data;
if (cursor == playhead_cursor) {
_dragging_playhead = true;
if (session && drag_info.was_rolling) {
session->request_stop ();
}
if (session && session->is_auditioning()) {
session->cancel_audition ();
}
}
drag_info.pointer_frame_offset = drag_info.grab_frame - cursor->current_frame;
show_verbose_time_cursor (cursor->current_frame, 10);
}
void
Editor::cursor_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
Cursor* cursor = (Cursor *) drag_info.data;
nframes_t adjusted_frame;
if (drag_info.current_pointer_frame > drag_info.pointer_frame_offset) {
adjusted_frame = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
}
else {
adjusted_frame = 0;
}
if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
if (cursor == playhead_cursor) {
snap_to (adjusted_frame);
}
}
if (adjusted_frame == drag_info.last_pointer_frame) return;
cursor->set_position (adjusted_frame);
UpdateAllTransportClocks (cursor->current_frame);
show_verbose_time_cursor (cursor->current_frame, 10);
drag_info.last_pointer_frame = adjusted_frame;
drag_info.first_move = false;
}
void
Editor::cursor_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
if (drag_info.first_move) return;
cursor_drag_motion_callback (item, event);
_dragging_playhead = false;
if (item == &playhead_cursor->canvas_item) {
if (session) {
session->request_locate (playhead_cursor->current_frame, drag_info.was_rolling);
}
}
}
void
Editor::update_marker_drag_item (Location *location)
{
double x1 = frame_to_pixel (location->start());
double x2 = frame_to_pixel (location->end());
if (location->is_mark()) {
marker_drag_line_points.front().set_x(x1);
marker_drag_line_points.back().set_x(x1);
marker_drag_line->property_points() = marker_drag_line_points;
}
else {
range_marker_drag_rect->property_x1() = x1;
range_marker_drag_rect->property_x2() = x2;
}
}
void
Editor::start_marker_grab (ArdourCanvas::Item* item, GdkEvent* event)
{
Marker* marker;
if ((marker = static_cast<Marker *> (item->get_data ("marker"))) == 0) {
fatal << _("programming error: marker canvas item has no marker object pointer!") << endmsg;
/*NOTREACHED*/
}
bool is_start;
Location *location = find_location_from_marker (marker, is_start);
drag_info.item = item;
drag_info.data = marker;
drag_info.motion_callback = &Editor::marker_drag_motion_callback;
drag_info.finished_callback = &Editor::marker_drag_finished_callback;
start_grab (event);
_dragging_edit_point = true;
drag_info.copied_location = new Location (*location);
drag_info.pointer_frame_offset = drag_info.grab_frame - (is_start ? location->start() : location->end());
update_marker_drag_item (location);
if (location->is_mark()) {
// marker_drag_line->show();
// marker_drag_line->raise_to_top();
} else {
range_marker_drag_rect->show();
range_marker_drag_rect->raise_to_top();
}
if (is_start) {
show_verbose_time_cursor (location->start(), 10);
} else {
show_verbose_time_cursor (location->end(), 10);
}
Selection::Operation op = Keyboard::selection_type (event->button.state);
switch (op) {
case Selection::Toggle:
selection->toggle (marker);
break;
case Selection::Set:
selection->set (marker);
break;
case Selection::Extend:
selection->add (marker);
break;
case Selection::Add:
selection->add (marker);
break;
}
}
void
Editor::marker_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
nframes_t f_delta;
Marker* marker = (Marker *) drag_info.data;
Location *real_location;
Location *copy_location;
bool is_start;
bool move_both = false;
nframes_t newframe;
if (drag_info.pointer_frame_offset <= drag_info.current_pointer_frame) {
newframe = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
} else {
newframe = 0;
}
nframes_t next = newframe;
if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
snap_to (newframe, 0, true);
}
if (drag_info.current_pointer_frame == drag_info.last_pointer_frame) {
return;
}
/* call this to find out if its the start or end */
if ((real_location = find_location_from_marker (marker, is_start)) == 0) {
return;
}
if (real_location->locked()) {
return;
}
/* use the copy that we're "dragging" around */
copy_location = drag_info.copied_location;
f_delta = copy_location->end() - copy_location->start();
if (Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
move_both = true;
}
if (copy_location->is_mark()) {
/* just move it */
copy_location->set_start (newframe);
} else {
if (is_start) { // start-of-range marker
if (move_both) {
copy_location->set_start (newframe);
copy_location->set_end (newframe + f_delta);
} else if (newframe < copy_location->end()) {
copy_location->set_start (newframe);
} else {
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 (newframe);
copy_location->set_start (newframe - f_delta);
} else if (newframe > copy_location->start()) {
copy_location->set_end (newframe);
} else if (newframe > 0) {
snap_to (next, -1, true);
copy_location->set_start (next);
copy_location->set_end (newframe);
}
}
}
drag_info.last_pointer_frame = drag_info.current_pointer_frame;
drag_info.first_move = false;
update_marker_drag_item (copy_location);
LocationMarkers* lm = find_location_markers (real_location);
lm->set_position (copy_location->start(), copy_location->end());
edit_point_clock.set (copy_location->start());
show_verbose_time_cursor (newframe, 10);
}
void
Editor::marker_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
if (drag_info.first_move) {
/* just a click, do nothing but whatever selection occured */
return;
}
_dragging_edit_point = false;
Marker* marker = (Marker *) drag_info.data;
bool is_start;
begin_reversible_command ( _("move marker") );
XMLNode &before = session->locations()->get_state();
Location * location = find_location_from_marker (marker, is_start);
if (location) {
if (location->locked()) {
return;
}
if (location->is_mark()) {
location->set_start (drag_info.copied_location->start());
} else {
location->set (drag_info.copied_location->start(), drag_info.copied_location->end());
}
}
XMLNode &after = session->locations()->get_state();
session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
commit_reversible_command ();
marker_drag_line->hide();
range_marker_drag_rect->hide();
}
void
Editor::start_meter_marker_grab (ArdourCanvas::Item* item, GdkEvent* event)
{
Marker* marker;
MeterMarker* meter_marker;
if ((marker = reinterpret_cast<Marker *> (item->get_data ("marker"))) == 0) {
fatal << _("programming error: meter marker canvas item has no marker object pointer!") << endmsg;
/*NOTREACHED*/
}
meter_marker = dynamic_cast<MeterMarker*> (marker);
MetricSection& section (meter_marker->meter());
if (!section.movable()) {
return;
}
drag_info.item = item;
drag_info.copy = false;
drag_info.data = marker;
drag_info.motion_callback = &Editor::meter_marker_drag_motion_callback;
drag_info.finished_callback = &Editor::meter_marker_drag_finished_callback;
start_grab (event);
drag_info.pointer_frame_offset = drag_info.grab_frame - meter_marker->meter().frame();
show_verbose_time_cursor (drag_info.current_pointer_frame, 10);
}
void
Editor::start_meter_marker_copy_grab (ArdourCanvas::Item* item, GdkEvent* event)
{
Marker* marker;
MeterMarker* meter_marker;
if ((marker = reinterpret_cast<Marker *> (item->get_data ("marker"))) == 0) {
fatal << _("programming error: meter marker canvas item has no marker object pointer!") << endmsg;
/*NOTREACHED*/
}
meter_marker = dynamic_cast<MeterMarker*> (marker);
// 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", meter_marker->meter().beats_per_bar(), meter_marker->meter().note_divisor ());
MeterMarker* new_marker = new MeterMarker(*this, *meter_group, ARDOUR_UI::config()->canvasvar_MeterMarker.get(), name,
*new MeterSection(meter_marker->meter()));
drag_info.item = &new_marker->the_item();
drag_info.copy = true;
drag_info.data = new_marker;
drag_info.motion_callback = &Editor::meter_marker_drag_motion_callback;
drag_info.finished_callback = &Editor::meter_marker_drag_finished_callback;
start_grab (event);
drag_info.pointer_frame_offset = drag_info.grab_frame - meter_marker->meter().frame();
show_verbose_time_cursor (drag_info.current_pointer_frame, 10);
}
void
Editor::meter_marker_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
MeterMarker* marker = (MeterMarker *) drag_info.data;
nframes_t adjusted_frame;
if (drag_info.current_pointer_frame > drag_info.pointer_frame_offset) {
adjusted_frame = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
}
else {
adjusted_frame = 0;
}
if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
snap_to (adjusted_frame);
}
if (adjusted_frame == drag_info.last_pointer_frame) return;
marker->set_position (adjusted_frame);
drag_info.last_pointer_frame = adjusted_frame;
drag_info.first_move = false;
show_verbose_time_cursor (adjusted_frame, 10);
}
void
Editor::meter_marker_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
if (drag_info.first_move) return;
meter_marker_drag_motion_callback (drag_info.item, event);
MeterMarker* marker = (MeterMarker *) drag_info.data;
BBT_Time when;
TempoMap& map (session->tempo_map());
map.bbt_time (drag_info.last_pointer_frame, when);
if (drag_info.copy == true) {
begin_reversible_command (_("copy meter mark"));
XMLNode &before = map.get_state();
map.add_meter (marker->meter(), when);
XMLNode &after = map.get_state();
session->add_command(new MementoCommand<TempoMap>(map, &before, &after));
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 {
begin_reversible_command (_("move meter mark"));
XMLNode &before = map.get_state();
map.move_meter (marker->meter(), when);
XMLNode &after = map.get_state();
session->add_command(new MementoCommand<TempoMap>(map, &before, &after));
commit_reversible_command ();
}
}
void
Editor::start_tempo_marker_grab (ArdourCanvas::Item* item, GdkEvent* event)
{
Marker* marker;
TempoMarker* tempo_marker;
if ((marker = reinterpret_cast<Marker *> (item->get_data ("marker"))) == 0) {
fatal << _("programming error: tempo marker canvas item has no marker object pointer!") << endmsg;
/*NOTREACHED*/
}
if ((tempo_marker = dynamic_cast<TempoMarker *> (marker)) == 0) {
fatal << _("programming error: marker for tempo is not a tempo marker!") << endmsg;
/*NOTREACHED*/
}
MetricSection& section (tempo_marker->tempo());
if (!section.movable()) {
return;
}
drag_info.item = item;
drag_info.copy = false;
drag_info.data = marker;
drag_info.motion_callback = &Editor::tempo_marker_drag_motion_callback;
drag_info.finished_callback = &Editor::tempo_marker_drag_finished_callback;
start_grab (event);
drag_info.pointer_frame_offset = drag_info.grab_frame - tempo_marker->tempo().frame();
show_verbose_time_cursor (drag_info.current_pointer_frame, 10);
}
void
Editor::start_tempo_marker_copy_grab (ArdourCanvas::Item* item, GdkEvent* event)
{
Marker* marker;
TempoMarker* tempo_marker;
if ((marker = reinterpret_cast<Marker *> (item->get_data ("marker"))) == 0) {
fatal << _("programming error: tempo marker canvas item has no marker object pointer!") << endmsg;
/*NOTREACHED*/
}
if ((tempo_marker = dynamic_cast<TempoMarker *> (marker)) == 0) {
fatal << _("programming error: marker for tempo is not a tempo marker!") << endmsg;
/*NOTREACHED*/
}
// 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", tempo_marker->tempo().beats_per_minute());
TempoMarker* new_marker = new TempoMarker(*this, *tempo_group, ARDOUR_UI::config()->canvasvar_TempoMarker.get(), name,
*new TempoSection(tempo_marker->tempo()));
drag_info.item = &new_marker->the_item();
drag_info.copy = true;
drag_info.data = new_marker;
drag_info.motion_callback = &Editor::tempo_marker_drag_motion_callback;
drag_info.finished_callback = &Editor::tempo_marker_drag_finished_callback;
start_grab (event);
drag_info.pointer_frame_offset = drag_info.grab_frame - tempo_marker->tempo().frame();
show_verbose_time_cursor (drag_info.current_pointer_frame, 10);
}
void
Editor::tempo_marker_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
TempoMarker* marker = (TempoMarker *) drag_info.data;
nframes_t adjusted_frame;
if (drag_info.current_pointer_frame > drag_info.pointer_frame_offset) {
adjusted_frame = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
}
else {
adjusted_frame = 0;
}
if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
snap_to (adjusted_frame);
}
if (adjusted_frame == drag_info.last_pointer_frame) return;
/* OK, we've moved far enough to make it worth actually move the thing. */
marker->set_position (adjusted_frame);
show_verbose_time_cursor (adjusted_frame, 10);
drag_info.last_pointer_frame = adjusted_frame;
drag_info.first_move = false;
}
void
Editor::tempo_marker_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
if (drag_info.first_move) return;
tempo_marker_drag_motion_callback (drag_info.item, event);
TempoMarker* marker = (TempoMarker *) drag_info.data;
BBT_Time when;
TempoMap& map (session->tempo_map());
map.bbt_time (drag_info.last_pointer_frame, when);
if (drag_info.copy == true) {
begin_reversible_command (_("copy tempo mark"));
XMLNode &before = map.get_state();
map.add_tempo (marker->tempo(), when);
XMLNode &after = map.get_state();
session->add_command (new MementoCommand<TempoMap>(map, &before, &after));
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 {
begin_reversible_command (_("move tempo mark"));
XMLNode &before = map.get_state();
map.move_tempo (marker->tempo(), when);
XMLNode &after = map.get_state();
session->add_command (new MementoCommand<TempoMap>(map, &before, &after));
commit_reversible_command ();
}
}
void
Editor::remove_gain_control_point (ArdourCanvas::Item*item, GdkEvent* event)
{
ControlPoint* control_point;
if ((control_point = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"))) == 0) {
fatal << _("programming error: control point canvas item has no control point object pointer!") << endmsg;
/*NOTREACHED*/
}
// We shouldn't remove the first or last gain point
if (control_point->line().is_last_point(*control_point) ||
control_point->line().is_first_point(*control_point)) {
return;
}
control_point->line().remove_point (*control_point);
}
void
Editor::remove_control_point (ArdourCanvas::Item* item, GdkEvent* event)
{
ControlPoint* control_point;
if ((control_point = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"))) == 0) {
fatal << _("programming error: control point canvas item has no control point object pointer!") << endmsg;
/*NOTREACHED*/
}
control_point->line().remove_point (*control_point);
}
void
Editor::start_control_point_grab (ArdourCanvas::Item* item, GdkEvent* event)
{
ControlPoint* control_point;
if ((control_point = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"))) == 0) {
fatal << _("programming error: control point canvas item has no control point object pointer!") << endmsg;
/*NOTREACHED*/
}
drag_info.item = item;
drag_info.data = control_point;
drag_info.motion_callback = &Editor::control_point_drag_motion_callback;
drag_info.finished_callback = &Editor::control_point_drag_finished_callback;
start_grab (event, 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
drag_info.grab_x = control_point->get_x();
drag_info.grab_y = control_point->get_y();
control_point->line().parent_group().i2w(drag_info.grab_x, drag_info.grab_y);
track_canvas->w2c(drag_info.grab_x, drag_info.grab_y, drag_info.grab_x, drag_info.grab_y);
drag_info.grab_frame = pixel_to_frame(drag_info.grab_x);
control_point->line().start_drag (control_point, drag_info.grab_frame, 0);
double fraction = 1.0 - ((control_point->get_y() - control_point->line().y_position()) / (double)control_point->line().height());
set_verbose_canvas_cursor (control_point->line().get_verbose_cursor_string (fraction),
drag_info.current_pointer_x + 20, drag_info.current_pointer_y + 20);
show_verbose_canvas_cursor ();
}
void
Editor::control_point_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
ControlPoint* cp = reinterpret_cast<ControlPoint *> (drag_info.data);
double dx = drag_info.current_pointer_x - drag_info.last_pointer_x;
double dy = drag_info.current_pointer_y - drag_info.last_pointer_y;
if (event->button.state & Keyboard::SecondaryModifier) {
dx *= 0.1;
dy *= 0.1;
}
double cx = drag_info.grab_x + drag_info.cumulative_x_drag + dx;
double cy = drag_info.grab_y + drag_info.cumulative_y_drag + dy;
// calculate zero crossing point. back off by .01 to stay on the
// positive side of zero
double _unused = 0;
double zero_gain_y = (1.0 - ZERO_GAIN_FRACTION) * cp->line().height() - .01;
cp->line().parent_group().i2w(_unused, zero_gain_y);
// make sure we hit zero when passing through
if ((cy < zero_gain_y and (cy - dy) > zero_gain_y)
or (cy > zero_gain_y and (cy - dy) < zero_gain_y)) {
cy = zero_gain_y;
}
if (drag_info.x_constrained) {
cx = drag_info.grab_x;
}
if (drag_info.y_constrained) {
cy = drag_info.grab_y;
}
drag_info.cumulative_x_drag = cx - drag_info.grab_x;
drag_info.cumulative_y_drag = cy - drag_info.grab_y;
cp->line().parent_group().w2i (cx, cy);
cx = max (0.0, cx);
cy = max (0.0, cy);
cy = min ((double) (cp->line().y_position() + cp->line().height()), cy);
//translate cx to frames
nframes_t cx_frames = unit_to_frame (cx);
if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier()) && !drag_info.x_constrained) {
snap_to (cx_frames);
}
const double fraction = 1.0 - ((cy - cp->line().y_position()) / (double)cp->line().height());
bool push;
if (Keyboard::modifier_state_contains (event->button.state, Keyboard::PrimaryModifier)) {
push = true;
} else {
push = false;
}
cp->line().point_drag (*cp, cx_frames , fraction, push);
set_verbose_canvas_cursor_text (cp->line().get_verbose_cursor_string (fraction));
drag_info.first_move = false;
}
void
Editor::control_point_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
ControlPoint* cp = reinterpret_cast<ControlPoint *> (drag_info.data);
if (drag_info.first_move) {
/* just a click */
if ((event->type == GDK_BUTTON_RELEASE) && (event->button.button == 1) && Keyboard::modifier_state_equals (event->button.state, Keyboard::TertiaryModifier)) {
reset_point_selection ();
}
} else {
control_point_drag_motion_callback (item, event);
}
cp->line().end_drag (cp);
}
void
Editor::start_line_grab_from_regionview (ArdourCanvas::Item* item, GdkEvent* event)
{
switch (mouse_mode) {
case MouseGain:
assert(dynamic_cast<AudioRegionView*>(clicked_regionview));
start_line_grab (dynamic_cast<AudioRegionView*>(clicked_regionview)->get_gain_line(), event);
break;
default:
break;
}
}
void
Editor::start_line_grab_from_line (ArdourCanvas::Item* item, GdkEvent* event)
{
AutomationLine* al;
if ((al = reinterpret_cast<AutomationLine*> (item->get_data ("line"))) == 0) {
fatal << _("programming error: line canvas item has no line pointer!") << endmsg;
/*NOTREACHED*/
}
start_line_grab (al, event);
}
void
Editor::start_line_grab (AutomationLine* line, GdkEvent* event)
{
double cx;
double cy;
nframes_t frame_within_region;
/* need to get x coordinate in terms of parent (TimeAxisItemView)
origin.
*/
cx = event->button.x;
cy = event->button.y;
line->parent_group().w2i (cx, cy);
frame_within_region = (nframes_t) floor (cx * frames_per_unit);
if (!line->control_points_adjacent (frame_within_region, current_line_drag_info.before,
current_line_drag_info.after)) {
/* no adjacent points */
return;
}
drag_info.item = &line->grab_item();
drag_info.data = line;
drag_info.motion_callback = &Editor::line_drag_motion_callback;
drag_info.finished_callback = &Editor::line_drag_finished_callback;
start_grab (event, fader_cursor);
const double fraction = 1.0 - ((cy - line->y_position()) / (double)line->height());
line->start_drag (0, drag_info.grab_frame, fraction);
set_verbose_canvas_cursor (line->get_verbose_cursor_string (fraction),
drag_info.current_pointer_x + 20, drag_info.current_pointer_y + 20);
show_verbose_canvas_cursor ();
}
void
Editor::line_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
AutomationLine* line = reinterpret_cast<AutomationLine *> (drag_info.data);
double dy = drag_info.current_pointer_y - drag_info.last_pointer_y;
if (event->button.state & Keyboard::SecondaryModifier) {
dy *= 0.1;
}
double cx = drag_info.current_pointer_x;
double cy = drag_info.grab_y + drag_info.cumulative_y_drag + dy;
// calculate zero crossing point. back off by .01 to stay on the
// positive side of zero
double _unused = 0;
double zero_gain_y = (1.0 - ZERO_GAIN_FRACTION) * line->height() - .01;
line->parent_group().i2w(_unused, zero_gain_y);
// make sure we hit zero when passing through
if ((cy < zero_gain_y and (cy - dy) > zero_gain_y)
or (cy > zero_gain_y and (cy - dy) < zero_gain_y)) {
cy = zero_gain_y;
}
drag_info.cumulative_y_drag = cy - drag_info.grab_y;
line->parent_group().w2i (cx, cy);
cy = max (0.0, cy);
cy = min ((double) line->height(), cy);
const double fraction = 1.0 - ((cy - line->y_position()) / (double)line->height());
bool push;
if (Keyboard::modifier_state_contains (event->button.state, Keyboard::PrimaryModifier)) {
push = false;
} else {
push = true;
}
line->line_drag (current_line_drag_info.before, current_line_drag_info.after, fraction, push);
set_verbose_canvas_cursor_text (line->get_verbose_cursor_string (fraction));
}
void
Editor::line_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
AutomationLine* line = reinterpret_cast<AutomationLine *> (drag_info.data);
line_drag_motion_callback (item, event);
line->end_drag (0);
}
void
Editor::start_region_grab (ArdourCanvas::Item* item, GdkEvent* event)
{
if (selection->regions.empty() || clicked_regionview == 0) {
return;
}
drag_info.copy = false;
drag_info.item = item;
drag_info.data = clicked_regionview;
if (Config->get_edit_mode() == Splice) {
drag_info.motion_callback = &Editor::region_drag_splice_motion_callback;
drag_info.finished_callback = &Editor::region_drag_splice_finished_callback;
} else {
drag_info.motion_callback = &Editor::region_drag_motion_callback;
drag_info.finished_callback = &Editor::region_drag_finished_callback;
}
start_grab (event);
double speed = 1.0;
TimeAxisView* tvp = clicked_axisview;
RouteTimeAxisView* tv = dynamic_cast<RouteTimeAxisView*>(tvp);
if (tv && tv->is_track()) {
speed = tv->get_diskstream()->speed();
}
drag_info.last_frame_position = (nframes_t) (clicked_regionview->region()->position() / speed);
drag_info.pointer_frame_offset = drag_info.grab_frame - drag_info.last_frame_position;
drag_info.source_trackview = &clicked_regionview->get_time_axis_view();
drag_info.dest_trackview = drag_info.source_trackview;
// we want a move threshold
drag_info.want_move_threshold = true;
show_verbose_time_cursor (drag_info.last_frame_position, 10);
begin_reversible_command (_("move region(s)"));
}
void
Editor::start_create_region_grab (ArdourCanvas::Item* item, GdkEvent* event)
{
drag_info.copy = false;
drag_info.item = item;
drag_info.data = clicked_axisview;
drag_info.source_trackview = clicked_axisview;
drag_info.dest_trackview = drag_info.source_trackview;
drag_info.motion_callback = &Editor::create_region_drag_motion_callback;
drag_info.finished_callback = &Editor::create_region_drag_finished_callback;
start_grab (event);
}
void
Editor::start_region_copy_grab (ArdourCanvas::Item* item, GdkEvent* event)
{
if (selection->regions.empty() || clicked_regionview == 0) {
return;
}
drag_info.copy = true;
drag_info.item = item;
drag_info.data = clicked_regionview;
start_grab(event);
TimeAxisView* tv = &clicked_regionview->get_time_axis_view();
RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(tv);
double speed = 1.0;
if (rtv && rtv->is_track()) {
speed = rtv->get_diskstream()->speed();
}
drag_info.source_trackview = &clicked_regionview->get_time_axis_view();
drag_info.dest_trackview = drag_info.source_trackview;
drag_info.last_frame_position = (nframes_t) (clicked_regionview->region()->position() / speed);
drag_info.pointer_frame_offset = drag_info.grab_frame - drag_info.last_frame_position;
// we want a move threshold
drag_info.want_move_threshold = true;
drag_info.motion_callback = &Editor::region_drag_motion_callback;
drag_info.finished_callback = &Editor::region_drag_finished_callback;
show_verbose_time_cursor (drag_info.last_frame_position, 10);
}
void
Editor::start_region_brush_grab (ArdourCanvas::Item* item, GdkEvent* event)
{
if (selection->regions.empty() || clicked_regionview == 0 || Config->get_edit_mode() == Splice) {
return;
}
drag_info.copy = false;
drag_info.item = item;
drag_info.data = clicked_regionview;
drag_info.motion_callback = &Editor::region_drag_motion_callback;
drag_info.finished_callback = &Editor::region_drag_finished_callback;
start_grab (event);
double speed = 1.0;
TimeAxisView* tvp = clicked_axisview;
RouteTimeAxisView* tv = dynamic_cast<RouteTimeAxisView*>(tvp);
if (tv && tv->is_track()) {
speed = tv->get_diskstream()->speed();
}
drag_info.last_frame_position = (nframes_t) (clicked_regionview->region()->position() / speed);
drag_info.pointer_frame_offset = drag_info.grab_frame - drag_info.last_frame_position;
drag_info.source_trackview = &clicked_regionview->get_time_axis_view();
drag_info.dest_trackview = drag_info.source_trackview;
// we want a move threshold
drag_info.want_move_threshold = true;
drag_info.brushing = true;
begin_reversible_command (_("Drag region brush"));
}
void
Editor::possibly_copy_regions_during_grab (GdkEvent* event)
{
if (drag_info.copy && drag_info.move_threshold_passed && drag_info.want_move_threshold) {
drag_info.want_move_threshold = false; // don't copy again
/* duplicate the regionview(s) and region(s) */
vector<RegionView*> new_regionviews;
for (list<RegionView*>::const_iterator i = selection->regions.by_layer().begin(); i != selection->regions.by_layer().end(); ++i) {
RegionView* rv;
RegionView* nrv;
rv = (*i);
AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
MidiRegionView* mrv = dynamic_cast<MidiRegionView*>(rv);
if (arv) {
nrv = new AudioRegionView (*arv);
} else if (mrv) {
nrv = new MidiRegionView (*mrv);
} else {
continue;
}
const boost::shared_ptr<const Region> original = arv->region();
boost::shared_ptr<Region> region_copy = RegionFactory::create (original);
boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (region_copy);
nrv->get_canvas_group()->show ();
new_regionviews.push_back (nrv);
}
if (new_regionviews.empty()) {
return;
}
/* reset selection to new regionviews. This will not set selection visual status for
these regionviews since they don't belong to a track, so do that by hand too.
*/
selection->set (new_regionviews);
for (vector<RegionView*>::iterator i = new_regionviews.begin(); i != new_regionviews.end(); ++i) {
(*i)->set_selected (true);
}
/* reset drag_info data to reflect the fact that we are dragging the copies */
drag_info.data = new_regionviews.front();
swap_grab (new_regionviews.front()->get_canvas_group (), 0, event->motion.time);
}
}
bool
Editor::check_region_drag_possible (RouteTimeAxisView** tv)
{
/* Which trackview is this ? */
TimeAxisView* tvp = trackview_by_y_position (drag_info.current_pointer_y);
(*tv) = dynamic_cast<RouteTimeAxisView*>(tvp);
/* 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.
*/
hide_verbose_canvas_cursor ();
return false;
}
return true;
}
struct RegionSelectionByPosition {
bool operator() (RegionView*a, RegionView* b) {
return a->region()->position () < b->region()->position();
}
};
void
Editor::region_drag_splice_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
RouteTimeAxisView* tv;
if (!check_region_drag_possible (&tv)) {
return;
}
if (!drag_info.move_threshold_passed) {
return;
}
int dir;
if (drag_info.current_pointer_x - drag_info.grab_x > 0) {
dir = 1;
} else {
dir = -1;
}
RegionSelection copy (selection->regions);
RegionSelectionByPosition cmp;
copy.sort (cmp);
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 (drag_info.current_pointer_frame < (*i)->region()->last_frame() + 1) {
continue;
}
} else {
if (drag_info.current_pointer_frame > (*i)->region()->first_frame()) {
continue;
}
}
playlist->shuffle ((*i)->region(), dir);
drag_info.grab_x = drag_info.current_pointer_x;
}
}
void
Editor::region_drag_splice_finished_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
}
void
Editor::region_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
double x_delta;
double y_delta = 0;
RegionView* rv = reinterpret_cast<RegionView*> (drag_info.data);
nframes_t pending_region_position = 0;
int32_t pointer_y_span = 0, canvas_pointer_y_span = 0, original_pointer_order;
int32_t visible_y_high = 0, visible_y_low = 512; //high meaning higher numbered.. not the height on the screen
bool clamp_y_axis = false;
vector<int32_t> height_list(512) ;
vector<int32_t>::iterator j;
RouteTimeAxisView* tv;
possibly_copy_regions_during_grab (event);
if (!check_region_drag_possible (&tv)) {
return;
}
original_pointer_order = drag_info.dest_trackview->order;
/************************************************************
Y-Delta Computation
************************************************************/
if (drag_info.brushing) {
clamp_y_axis = true;
pointer_y_span = 0;
goto y_axis_done;
}
if ((pointer_y_span = (drag_info.dest_trackview->order - tv->order)) != 0) {
int32_t children = 0, numtracks = 0;
// XXX hard coding track limit, oh my, so very very bad
bitset <1024> tracks (0x00);
/* get a bitmask representing the visible tracks */
for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
TimeAxisView *tracklist_timeview;
tracklist_timeview = (*i);
RouteTimeAxisView* rtv2 = dynamic_cast<RouteTimeAxisView*>(tracklist_timeview);
TimeAxisView::Children children_list;
/* zeroes are audio tracks. ones are other types. */
if (!rtv2->hidden()) {
if (visible_y_high < rtv2->order) {
visible_y_high = rtv2->order;
}
if (visible_y_low > rtv2->order) {
visible_y_low = rtv2->order;
}
if (!rtv2->is_track()) {
tracks = tracks |= (0x01 << rtv2->order);
}
height_list[rtv2->order] = (*i)->height;
children = 1;
if ((children_list = rtv2->get_child_list()).size() > 0) {
for (TimeAxisView::Children::iterator j = children_list.begin(); j != children_list.end(); ++j) {
tracks = tracks |= (0x01 << (rtv2->order + children));
height_list[rtv2->order + children] = (*j)->height;
numtracks++;
children++;
}
}
numtracks++;
}
}
/* find the actual span according to the canvas */
canvas_pointer_y_span = pointer_y_span;
if (drag_info.dest_trackview->order >= tv->order) {
int32_t y;
for (y = tv->order; y < drag_info.dest_trackview->order; y++) {
if (height_list[y] == 0 ) {
canvas_pointer_y_span--;
}
}
} else {
int32_t y;
for (y = drag_info.dest_trackview->order;y <= tv->order; y++) {
if ( height_list[y] == 0 ) {
canvas_pointer_y_span++;
}
}
}
for (list<RegionView*>::const_iterator i = selection->regions.by_layer().begin(); i != selection->regions.by_layer().end(); ++i) {
RegionView* rv2 = (*i);
double ix1, ix2, iy1, iy2;
int32_t n = 0;
if (rv2->region()->locked()) {
continue;
}
rv2->get_canvas_frame()->get_bounds (ix1, iy1, ix2, iy2);
rv2->get_canvas_group()->i2w (ix1, iy1);
TimeAxisView* tvp2 = trackview_by_y_position (iy1);
RouteTimeAxisView* rtv2 = dynamic_cast<RouteTimeAxisView*>(tvp2);
if (rtv2->order != original_pointer_order) {
/* this isn't the pointer track */
if (canvas_pointer_y_span > 0) {
/* moving up the canvas */
if ((rtv2->order - canvas_pointer_y_span) >= visible_y_low) {
int32_t visible_tracks = 0;
while (visible_tracks < canvas_pointer_y_span ) {
visible_tracks++;
while (height_list[rtv2->order - (visible_tracks - n)] == 0) {
/* we're passing through a hidden track */
n--;
}
}
if (tracks[rtv2->order - (canvas_pointer_y_span - n)] != 0x00) {
clamp_y_axis = true;
}
} else {
clamp_y_axis = true;
}
} else if (canvas_pointer_y_span < 0) {
/*moving down the canvas*/
if ((rtv2->order - (canvas_pointer_y_span - n)) <= visible_y_high) { // we will overflow
int32_t visible_tracks = 0;
while (visible_tracks > canvas_pointer_y_span ) {
visible_tracks--;
while (height_list[rtv2->order - (visible_tracks - n)] == 0) {
n++;
}
}
if ( tracks[rtv2->order - ( canvas_pointer_y_span - n)] != 0x00) {
clamp_y_axis = true;
}
} else {
clamp_y_axis = true;
}
}
} else {
/* this is the pointer's track */
if ((rtv2->order - pointer_y_span) > visible_y_high) { // we will overflow
clamp_y_axis = true;
} else if ((rtv2->order - pointer_y_span) < visible_y_low) { // we will underflow
clamp_y_axis = true;
}
}
if (clamp_y_axis) {
break;
}
}
} else if (drag_info.dest_trackview == tv) {
clamp_y_axis = true;
}
y_axis_done:
if (!clamp_y_axis) {
drag_info.dest_trackview = tv;
}
/************************************************************
X DELTA COMPUTATION
************************************************************/
/* compute the amount of pointer motion in frames, and where
the region would be if we moved it by that much.
*/
if ( drag_info.move_threshold_passed ) {
if (drag_info.current_pointer_frame > drag_info.pointer_frame_offset) {
nframes_t sync_frame;
nframes_t sync_offset;
int32_t sync_dir;
pending_region_position = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
sync_offset = rv->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);
/* we snap if the snap modifier is not enabled.
*/
if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
snap_to (sync_frame);
}
pending_region_position = rv->region()->adjust_to_sync (sync_frame);
} else {
pending_region_position = drag_info.last_frame_position;
}
} else {
pending_region_position = 0;
}
if (pending_region_position > max_frames - rv->region()->length()) {
pending_region_position = drag_info.last_frame_position;
}
// printf ("3: pending_region_position= %lu %lu\n", pending_region_position, drag_info.last_frame_position );
bool x_move_allowed;
if (Config->get_edit_mode() == Lock) {
if (drag_info.copy) {
x_move_allowed = !drag_info.x_constrained;
} else {
/* in locked edit mode, reverse the usual meaning of x_constrained */
x_move_allowed = drag_info.x_constrained;
}
} else {
x_move_allowed = !drag_info.x_constrained;
}
if ( pending_region_position != drag_info.last_frame_position && x_move_allowed ) {
/* now compute the canvas unit distance we need to move the regionview
to make it appear at the new location.
*/
if (pending_region_position > drag_info.last_frame_position) {
x_delta = ((double) (pending_region_position - drag_info.last_frame_position) / frames_per_unit);
} else {
x_delta = -((double) (drag_info.last_frame_position - pending_region_position) / frames_per_unit);
}
drag_info.last_frame_position = pending_region_position;
} else {
x_delta = 0;
}
} else {
/* threshold not passed */
x_delta = 0;
}
/*************************************************************
PREPARE TO MOVE
************************************************************/
if (x_delta == 0 && (pointer_y_span == 0)) {
/* haven't reached next snap point, and we're not switching
trackviews. nothing to do.
*/
return;
}
if (x_delta < 0) {
for (list<RegionView*>::const_iterator i = selection->regions.by_layer().begin(); i != selection->regions.by_layer().end(); ++i) {
RegionView* rv2 = (*i);
// If any regionview is at zero, we need to know so we can stop further leftward motion.
double ix1, ix2, iy1, iy2;
rv2->get_canvas_frame()->get_bounds (ix1, iy1, ix2, iy2);
rv2->get_canvas_group()->i2w (ix1, iy1);
if (ix1 <= 1) {
x_delta = 0;
break;
}
}
}
/*************************************************************
MOTION
************************************************************/
bool do_move;
if (drag_info.first_move) {
if (drag_info.move_threshold_passed) {
do_move = true;
} else {
do_move = false;
}
} else {
do_move = true;
}
if (do_move) {
pair<set<boost::shared_ptr<Playlist> >::iterator,bool> insert_result;
const list<RegionView*>& layered_regions = selection->regions.by_layer();
for (list<RegionView*>::const_iterator i = layered_regions.begin(); i != layered_regions.end(); ++i) {
RegionView* rv = (*i);
double ix1, ix2, iy1, iy2;
int32_t temp_pointer_y_span = pointer_y_span;
if (rv->region()->locked()) {
continue;
}
/* get item BBox, which will be relative to parent. so we have
to query on a child, then convert to world coordinates using
the parent.
*/
rv->get_canvas_frame()->get_bounds (ix1, iy1, ix2, iy2);
rv->get_canvas_group()->i2w (ix1, iy1);
TimeAxisView* tvp2 = trackview_by_y_position (iy1);
RouteTimeAxisView* canvas_rtv = dynamic_cast<RouteTimeAxisView*>(tvp2);
RouteTimeAxisView* temp_rtv;
if ((pointer_y_span != 0) && !clamp_y_axis) {
y_delta = 0;
int32_t x = 0;
for (j = height_list.begin(); j!= height_list.end(); j++) {
if (x == canvas_rtv->order) {
/* we found the track the region is on */
if (x != original_pointer_order) {
/*this isn't from the same track we're dragging from */
temp_pointer_y_span = canvas_pointer_y_span;
}
while (temp_pointer_y_span > 0) {
/* we're moving up canvas-wise,
so we need to find the next track height
*/
if (j != height_list.begin()) {
j--;
}
if (x != original_pointer_order) {
/* we're not from the dragged track, so ignore hidden tracks. */
if ((*j) == 0) {
temp_pointer_y_span++;
}
}
y_delta -= (*j);
temp_pointer_y_span--;
}
while (temp_pointer_y_span < 0) {
y_delta += (*j);
if (x != original_pointer_order) {
if ((*j) == 0) {
temp_pointer_y_span--;
}
}
if (j != height_list.end()) {
j++;
}
temp_pointer_y_span++;
}
/* find out where we'll be when we move and set height accordingly */
tvp2 = trackview_by_y_position (iy1 + y_delta);
temp_rtv = dynamic_cast<RouteTimeAxisView*>(tvp2);
rv->set_y_position_and_height (0, temp_rtv->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));
break;
}
x++;
}
}
/* prevent the regionview from being moved to before
the zero position on the canvas.
*/
/* clamp */
if (x_delta < 0) {
if (-x_delta > ix1) {
x_delta = -ix1;
}
} else if ((x_delta > 0) && (rv->region()->last_frame() > max_frames - x_delta)) {
x_delta = max_frames - rv->region()->last_frame();
}
if (drag_info.first_move) {
/* hide any dependent views */
rv->get_time_axis_view().hide_dependent_views (*rv);
/* this is subtle. raising the regionview itself won't help,
because raise_to_top() just puts the item on the top of
its parent's stack. so, we need to put the trackview canvas_display group
on the top, since its parent is the whole canvas.
*/
rv->get_canvas_group()->raise_to_top();
rv->get_time_axis_view().canvas_display->raise_to_top();
cursor_group->raise_to_top();
rv->fake_set_opaque (true);
}
if (drag_info.brushing) {
mouse_brush_insert_region (rv, pending_region_position);
} else {
rv->move (x_delta, y_delta);
}
} /* foreach region */
} /* if do_move */
if (drag_info.first_move && drag_info.move_threshold_passed) {
cursor_group->raise_to_top();
drag_info.first_move = false;
}
if (x_delta != 0 && !drag_info.brushing) {
show_verbose_time_cursor (drag_info.last_frame_position, 10);
}
}
void
Editor::region_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
bool nocommit = true;
vector<RegionView*> copies;
RouteTimeAxisView* source_tv;
boost::shared_ptr<Diskstream> ds;
boost::shared_ptr<Playlist> from_playlist;
vector<RegionView*> new_selection;
typedef set<boost::shared_ptr<Playlist> > PlaylistSet;
PlaylistSet modified_playlists;
pair<PlaylistSet::iterator,bool> insert_result;
/* first_move is set to false if the regionview has been moved in the
motion handler.
*/
if (drag_info.first_move) {
/* just a click */
goto out;
}
nocommit = false;
/* The regionview has been moved at some stage during the grab so we need
to account for any mouse movement between this event and the last one.
*/
region_drag_motion_callback (item, event);
if (Config->get_edit_mode() == Splice && !pre_drag_region_selection.empty()) {
selection->set (pre_drag_region_selection);
pre_drag_region_selection.clear ();
}
if (drag_info.brushing) {
/* all changes were made during motion event handlers */
if (drag_info.copy) {
for (list<RegionView*>::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
copies.push_back (*i);
}
}
goto out;
}
char* op_string;
/* reverse this here so that we have the correct logic to finalize
the drag.
*/
if (Config->get_edit_mode() == Lock && !drag_info.copy) {
drag_info.x_constrained = !drag_info.x_constrained;
}
if (drag_info.copy) {
if (drag_info.x_constrained) {
op_string = _("fixed time region copy");
} else {
op_string = _("region copy");
}
} else {
if (drag_info.x_constrained) {
op_string = _("fixed time region drag");
} else {
op_string = _("region drag");
}
}
begin_reversible_command (op_string);
for (list<RegionView*>::const_iterator i = selection->regions.by_layer().begin(); i != selection->regions.by_layer().end(); ) {
RegionView* rv = (*i);
double ix1, ix2, iy1, iy2;
rv->get_canvas_frame()->get_bounds (ix1, iy1, ix2, iy2);
rv->get_canvas_group()->i2w (ix1, iy1);
TimeAxisView* dest_tv = trackview_by_y_position (iy1);
RouteTimeAxisView* dest_rtv = dynamic_cast<RouteTimeAxisView*>(dest_tv);
double speed;
bool changed_tracks;
bool changed_position;
nframes_t where;
if (rv->region()->locked()) {
++i;
continue;
}
/* adjust for track speed */
speed = 1.0;
if (dest_rtv && dest_rtv->get_diskstream()) {
speed = dest_rtv->get_diskstream()->speed();
}
changed_position = (drag_info.last_frame_position != (nframes_t) (rv->region()->position()/speed));
changed_tracks = (dest_tv != &rv->get_time_axis_view());
if (changed_position && !drag_info.x_constrained) {
where = (nframes_t) (unit_to_frame (ix1) * speed);
} else {
where = rv->region()->position();
}
/* undo the previous hide_dependent_views so that xfades don't
disappear on copying regions
*/
rv->get_time_axis_view().reveal_dependent_views (*rv);
boost::shared_ptr<Region> new_region;
if (drag_info.copy) {
/* we already made a copy */
new_region = rv->region();
} else {
new_region = RegionFactory::create (rv->region());
}
if (changed_tracks || drag_info.copy) {
boost::shared_ptr<Playlist> to_playlist = dest_rtv->playlist();
latest_regionviews.clear ();
sigc::connection c = dest_rtv->view()->RegionViewAdded.connect (mem_fun(*this, &Editor::collect_new_region_view));
insert_result = modified_playlists.insert (to_playlist);
if (insert_result.second) {
session->add_command (new MementoCommand<Playlist>(*to_playlist, &to_playlist->get_state(), 0));
}
to_playlist->add_region (new_region, where);
c.disconnect ();
if (!latest_regionviews.empty()) {
// XXX why just the first one ? we only expect one
dest_rtv->reveal_dependent_views (*latest_regionviews.front());
new_selection.push_back (latest_regionviews.front());
}
} else {
/* just change the model */
boost::shared_ptr<Playlist> playlist = dest_rtv->playlist();
insert_result = modified_playlists.insert (playlist);
if (insert_result.second) {
session->add_command (new MementoCommand<Playlist>(*playlist, &playlist->get_state(), 0));
}
rv->region()->set_position (where, (void*) this);
}
if (changed_tracks && !drag_info.copy) {
/* get the playlist where this drag started. we can't use rv->region()->playlist()
because we may have copied the region and it has not been attached to a playlist.
*/
assert ((source_tv = dynamic_cast<RouteTimeAxisView*> (&rv->get_time_axis_view())));
assert ((ds = source_tv->get_diskstream()));
assert ((from_playlist = ds->playlist()));
/* moved to a different audio track, without copying */
/* 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 the region from the old playlist */
insert_result = modified_playlists.insert (from_playlist);
if (insert_result.second) {
session->add_command (new MementoCommand<Playlist>(*from_playlist, &from_playlist->get_state(), 0));
}
from_playlist->remove_region ((rv->region()));
/* 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 the selection (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 the selection is now empty).
this could have invalidated any and all iterators into the region selection.
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 the selection hasn't been modified and
we can just iterate.
*/
if (selection->regions.empty()) {
break;
} else {
i = selection->regions.by_layer().begin();
}
} else {
++i;
}
if (drag_info.copy) {
copies.push_back (rv);
}
}
if (new_selection.empty()) {
if (drag_info.copy) {
/* the region(view)s that are selected and being dragged around
are copies and do not belong to any track. remove them
from the selection right here.
*/
selection->clear_regions();
}
} else {
/* this will clear any existing selection that would have been
cleared in the other clause above
*/
selection->set (new_selection);
}
out:
if (!nocommit) {
for (set<boost::shared_ptr<Playlist> >::iterator p = modified_playlists.begin(); p != modified_playlists.end(); ++p) {
session->add_command (new MementoCommand<Playlist>(*(*p), 0, &(*p)->get_state()));
}
commit_reversible_command ();
}
for (vector<RegionView*>::iterator x = copies.begin(); x != copies.end(); ++x) {
delete *x;
}
}
void
Editor::create_region_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
if (drag_info.move_threshold_passed) {
if (drag_info.first_move) {
// TODO: create region-create-drag region view here
drag_info.first_move = false;
}
// TODO: resize region-create-drag region view here
}
}
void
Editor::create_region_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*> (drag_info.dest_trackview);
if (!mtv)
return;
const boost::shared_ptr<MidiDiskstream> diskstream =
boost::dynamic_pointer_cast<MidiDiskstream>(mtv->view()->trackview().track()->diskstream());
if (!diskstream) {
warning << "Cannot create non-MIDI region" << endl;
return;
}
if (drag_info.first_move) {
begin_reversible_command (_("create region"));
XMLNode &before = mtv->playlist()->get_state();
nframes_t start = drag_info.grab_frame;
snap_to (start, -1);
const Meter& m = session->tempo_map().meter_at(start);
const Tempo& t = session->tempo_map().tempo_at(start);
double length = floor (m.frames_per_bar(t, session->frame_rate()));
boost::shared_ptr<Source> src = session->create_midi_source_for_session(*diskstream.get());
mtv->playlist()->add_region (boost::dynamic_pointer_cast<MidiRegion>
(RegionFactory::create(src, 0, (nframes_t) length,
PBD::basename_nosuffix(src->name()))), start);
XMLNode &after = mtv->playlist()->get_state();
session->add_command(new MementoCommand<Playlist>(*mtv->playlist().get(), &before, &after));
commit_reversible_command();
} else {
create_region_drag_motion_callback (item, event);
// TODO: create region-create-drag region here
}
}
void
Editor::region_view_item_click (AudioRegionView& rv, GdkEventButton* event)
{
/* Either add to or set the set the region selection, unless
this is an alignment click (control used)
*/
if (Keyboard::modifier_state_contains (event->state, Keyboard::PrimaryModifier)) {
TimeAxisView* tv = &rv.get_time_axis_view();
RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(tv);
double speed = 1.0;
if (rtv && rtv->is_track()) {
speed = rtv->get_diskstream()->speed();
}
nframes64_t where = get_preferred_edit_position();
if (where >= 0) {
if (Keyboard::modifier_state_equals (event->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::SecondaryModifier))) {
align_region (rv.region(), SyncPoint, (nframes_t) (where * speed));
} else if (Keyboard::modifier_state_equals (event->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier))) {
align_region (rv.region(), End, (nframes_t) (where * speed));
} else {
align_region (rv.region(), Start, (nframes_t) (where * speed));
}
}
}
}
void
Editor::show_verbose_time_cursor (nframes_t frame, double offset, double xpos, double ypos)
{
char buf[128];
SMPTE::Time smpte;
BBT_Time bbt;
int hours, mins;
nframes_t frame_rate;
float secs;
if (session == 0) {
return;
}
AudioClock::Mode m;
if (Profile->get_sae() || Profile->get_small_screen()) {
m = ARDOUR_UI::instance()->primary_clock.mode();
} else {
m = ARDOUR_UI::instance()->secondary_clock.mode();
}
switch (m) {
case AudioClock::BBT:
session->bbt_time (frame, bbt);
snprintf (buf, sizeof (buf), "%02" PRIu32 "|%02" PRIu32 "|%02" PRIu32, bbt.bars, bbt.beats, bbt.ticks);
break;
case AudioClock::SMPTE:
session->smpte_time (frame, smpte);
snprintf (buf, sizeof (buf), "%02" PRId32 ":%02" PRId32 ":%02" PRId32 ":%02" PRId32, smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
break;
case AudioClock::MinSec:
/* XXX this is copied from show_verbose_duration_cursor() */
frame_rate = session->frame_rate();
hours = frame / (frame_rate * 3600);
frame = frame % (frame_rate * 3600);
mins = frame / (frame_rate * 60);
frame = frame % (frame_rate * 60);
secs = (float) frame / (float) frame_rate;
snprintf (buf, sizeof (buf), "%02" PRId32 ":%02" PRId32 ":%.4f", hours, mins, secs);
break;
default:
snprintf (buf, sizeof(buf), "%u", frame);
break;
}
if (xpos >= 0 && ypos >=0) {
set_verbose_canvas_cursor (buf, xpos + offset, ypos + offset);
}
else {
set_verbose_canvas_cursor (buf, drag_info.current_pointer_x + offset, drag_info.current_pointer_y + offset);
}
show_verbose_canvas_cursor ();
}
void
Editor::show_verbose_duration_cursor (nframes_t start, nframes_t end, double offset, double xpos, double ypos)
{
char buf[128];
SMPTE::Time smpte;
BBT_Time sbbt;
BBT_Time ebbt;
int hours, mins;
nframes_t distance, frame_rate;
float secs;
Meter meter_at_start(session->tempo_map().meter_at(start));
if (session == 0) {
return;
}
AudioClock::Mode m;
if (Profile->get_sae() || Profile->get_small_screen()) {
m = ARDOUR_UI::instance()->primary_clock.mode ();
} else {
m = ARDOUR_UI::instance()->secondary_clock.mode ();
}
switch (m) {
case AudioClock::BBT:
session->bbt_time (start, sbbt);
session->bbt_time (end, ebbt);
/* subtract */
/* XXX this computation won't work well if the
user makes a selection that spans any meter changes.
*/
ebbt.bars -= sbbt.bars;
if (ebbt.beats >= sbbt.beats) {
ebbt.beats -= sbbt.beats;
} else {
ebbt.bars--;
ebbt.beats = int(meter_at_start.beats_per_bar()) + ebbt.beats - sbbt.beats;
}
if (ebbt.ticks >= sbbt.ticks) {
ebbt.ticks -= sbbt.ticks;
} else {
ebbt.beats--;
ebbt.ticks = int(Meter::ticks_per_beat) + ebbt.ticks - sbbt.ticks;
}
snprintf (buf, sizeof (buf), "%02" PRIu32 "|%02" PRIu32 "|%02" PRIu32, ebbt.bars, ebbt.beats, ebbt.ticks);
break;
case AudioClock::SMPTE:
session->smpte_duration (end - start, smpte);
snprintf (buf, sizeof (buf), "%02" PRId32 ":%02" PRId32 ":%02" PRId32 ":%02" PRId32, smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
break;
case AudioClock::MinSec:
/* XXX this stuff should be elsewhere.. */
distance = end - start;
frame_rate = session->frame_rate();
hours = distance / (frame_rate * 3600);
distance = distance % (frame_rate * 3600);
mins = distance / (frame_rate * 60);
distance = distance % (frame_rate * 60);
secs = (float) distance / (float) frame_rate;
snprintf (buf, sizeof (buf), "%02" PRId32 ":%02" PRId32 ":%.4f", hours, mins, secs);
break;
default:
snprintf (buf, sizeof(buf), "%u", end - start);
break;
}
if (xpos >= 0 && ypos >=0) {
set_verbose_canvas_cursor (buf, xpos + offset, ypos + offset);
}
else {
set_verbose_canvas_cursor (buf, drag_info.current_pointer_x + offset, drag_info.current_pointer_y + offset);
}
show_verbose_canvas_cursor ();
}
void
Editor::collect_new_region_view (RegionView* rv)
{
latest_regionviews.push_back (rv);
}
void
Editor::collect_and_select_new_region_view (RegionView* rv)
{
selection->add(rv);
latest_regionviews.push_back (rv);
}
void
Editor::start_selection_grab (ArdourCanvas::Item* item, GdkEvent* event)
{
if (clicked_regionview == 0) {
return;
}
/* lets try to create new Region for the selection */
vector<boost::shared_ptr<Region> > new_regions;
create_region_from_selection (new_regions);
if (new_regions.empty()) {
return;
}
/* XXX fix me one day to use all new regions */
boost::shared_ptr<Region> region (new_regions.front());
/* add it to the current stream/playlist.
tricky: the streamview for the track will add a new regionview. we will
catch the signal it sends when it creates the regionview to
set the regionview we want to then drag.
*/
latest_regionviews.clear();
sigc::connection c = clicked_routeview->view()->RegionViewAdded.connect (mem_fun(*this, &Editor::collect_new_region_view));
/* A selection grab currently creates two undo/redo operations, one for
creating the new region and another for moving it.
*/
begin_reversible_command (_("selection grab"));
boost::shared_ptr<Playlist> playlist = clicked_axisview->playlist();
XMLNode *before = &(playlist->get_state());
clicked_routeview->playlist()->add_region (region, selection->time[clicked_selection].start);
XMLNode *after = &(playlist->get_state());
session->add_command(new MementoCommand<Playlist>(*playlist, before, after));
commit_reversible_command ();
c.disconnect ();
if (latest_regionviews.empty()) {
/* something went wrong */
return;
}
/* we need to deselect all other regionviews, and select this one
i'm ignoring undo stuff, because the region creation will take care of it
*/
selection->set (latest_regionviews);
drag_info.item = latest_regionviews.front()->get_canvas_group();
drag_info.data = latest_regionviews.front();
drag_info.motion_callback = &Editor::region_drag_motion_callback;
drag_info.finished_callback = &Editor::region_drag_finished_callback;
start_grab (event);
drag_info.source_trackview = clicked_routeview;
drag_info.dest_trackview = drag_info.source_trackview;
drag_info.last_frame_position = latest_regionviews.front()->region()->position();
drag_info.pointer_frame_offset = drag_info.grab_frame - drag_info.last_frame_position;
show_verbose_time_cursor (drag_info.last_frame_position, 10);
}
void
Editor::cancel_selection ()
{
for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
(*i)->hide_selection ();
}
selection->clear ();
clicked_selection = 0;
}
void
Editor::start_selection_op (ArdourCanvas::Item* item, GdkEvent* event, SelectionOp op)
{
nframes_t start = 0;
nframes_t end = 0;
if (session == 0) {
return;
}
drag_info.item = item;
drag_info.motion_callback = &Editor::drag_selection;
drag_info.finished_callback = &Editor::end_selection_op;
selection_op = op;
switch (op) {
case CreateSelection:
if (Keyboard::modifier_state_equals (event->button.state, Keyboard::TertiaryModifier)) {
drag_info.copy = true;
} else {
drag_info.copy = false;
}
start_grab (event, selector_cursor);
break;
case SelectionStartTrim:
if (clicked_axisview) {
clicked_axisview->order_selection_trims (item, true);
}
start_grab (event, trimmer_cursor);
start = selection->time[clicked_selection].start;
drag_info.pointer_frame_offset = drag_info.grab_frame - start;
break;
case SelectionEndTrim:
if (clicked_axisview) {
clicked_axisview->order_selection_trims (item, false);
}
start_grab (event, trimmer_cursor);
end = selection->time[clicked_selection].end;
drag_info.pointer_frame_offset = drag_info.grab_frame - end;
break;
case SelectionMove:
start = selection->time[clicked_selection].start;
start_grab (event);
drag_info.pointer_frame_offset = drag_info.grab_frame - start;
break;
}
if (selection_op == SelectionMove) {
show_verbose_time_cursor(start, 10);
} else {
show_verbose_time_cursor(drag_info.current_pointer_frame, 10);
}
}
void
Editor::drag_selection (ArdourCanvas::Item* item, GdkEvent* event)
{
nframes_t start = 0;
nframes_t end = 0;
nframes_t length;
nframes_t pending_position;
if (drag_info.current_pointer_frame > drag_info.pointer_frame_offset) {
pending_position = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
} else {
pending_position = 0;
}
if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
snap_to (pending_position);
}
/* only alter selection if the current frame is
different from the last frame position (adjusted)
*/
if (pending_position == drag_info.last_pointer_frame) return;
switch (selection_op) {
case CreateSelection:
if (drag_info.first_move) {
snap_to (drag_info.grab_frame);
}
if (pending_position < drag_info.grab_frame) {
start = pending_position;
end = drag_info.grab_frame;
} else {
end = pending_position;
start = drag_info.grab_frame;
}
/* first drag: Either add to the selection
or create a new selection->
*/
if (drag_info.first_move) {
begin_reversible_command (_("range selection"));
if (drag_info.copy) {
/* adding to the selection */
clicked_selection = selection->add (start, end);
drag_info.copy = false;
} else {
/* new selection-> */
clicked_selection = selection->set (clicked_axisview, start, end);
}
}
break;
case SelectionStartTrim:
if (drag_info.first_move) {
begin_reversible_command (_("trim selection start"));
}
start = selection->time[clicked_selection].start;
end = selection->time[clicked_selection].end;
if (pending_position > end) {
start = end;
} else {
start = pending_position;
}
break;
case SelectionEndTrim:
if (drag_info.first_move) {
begin_reversible_command (_("trim selection end"));
}
start = selection->time[clicked_selection].start;
end = selection->time[clicked_selection].end;
if (pending_position < start) {
end = start;
} else {
end = pending_position;
}
break;
case SelectionMove:
if (drag_info.first_move) {
begin_reversible_command (_("move selection"));
}
start = selection->time[clicked_selection].start;
end = selection->time[clicked_selection].end;
length = end - start;
start = pending_position;
snap_to (start);
end = start + length;
break;
}
if (event->button.x >= horizontal_adjustment.get_value() + canvas_width) {
start_canvas_autoscroll (1, 0);
}
if (start != end) {
selection->replace (clicked_selection, start, end);
}
drag_info.last_pointer_frame = pending_position;
drag_info.first_move = false;
if (selection_op == SelectionMove) {
show_verbose_time_cursor(start, 10);
} else {
show_verbose_time_cursor(pending_position, 10);
}
}
void
Editor::end_selection_op (ArdourCanvas::Item* item, GdkEvent* event)
{
if (!drag_info.first_move) {
drag_selection (item, event);
/* XXX this is not object-oriented programming at all. ick */
if (selection->time.consolidate()) {
selection->TimeChanged ();
}
commit_reversible_command ();
} else {
/* just a click, no pointer movement.*/
if (Keyboard::no_modifier_keys_pressed (&event->button)) {
selection->clear_time();
}
}
/* XXX what happens if its a music selection? */
session->set_audio_range (selection->time);
stop_canvas_autoscroll ();
}
void
Editor::start_trim (ArdourCanvas::Item* item, GdkEvent* event)
{
double speed = 1.0;
TimeAxisView* tvp = clicked_axisview;
RouteTimeAxisView* tv = dynamic_cast<RouteTimeAxisView*>(tvp);
if (tv && tv->is_track()) {
speed = tv->get_diskstream()->speed();
}
nframes_t region_start = (nframes_t) (clicked_regionview->region()->position() / speed);
nframes_t region_end = (nframes_t) (clicked_regionview->region()->last_frame() / speed);
nframes_t region_length = (nframes_t) (clicked_regionview->region()->length() / speed);
//drag_info.item = clicked_regionview->get_name_highlight();
drag_info.item = item;
drag_info.motion_callback = &Editor::trim_motion_callback;
drag_info.finished_callback = &Editor::trim_finished_callback;
start_grab (event, trimmer_cursor);
if (Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
trim_op = ContentsTrim;
} else {
/* These will get overridden for a point trim.*/
if (drag_info.current_pointer_frame < (region_start + region_length/2)) {
/* closer to start */
trim_op = StartTrim;
} else if (drag_info.current_pointer_frame > (region_end - region_length/2)) {
/* closer to end */
trim_op = EndTrim;
}
}
switch (trim_op) {
case StartTrim:
show_verbose_time_cursor(region_start, 10);
break;
case EndTrim:
show_verbose_time_cursor(region_end, 10);
break;
case ContentsTrim:
show_verbose_time_cursor(drag_info.current_pointer_frame, 10);
break;
}
}
void
Editor::trim_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
RegionView* rv = clicked_regionview;
nframes_t frame_delta = 0;
bool left_direction;
bool obey_snap = !Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier());
/* 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 = clicked_axisview;
RouteTimeAxisView* tv = dynamic_cast<RouteTimeAxisView*>(tvp);
pair<set<boost::shared_ptr<Playlist> >::iterator,bool> insert_result;
if (tv && tv->is_track()) {
speed = tv->get_diskstream()->speed();
}
if (drag_info.last_pointer_frame > drag_info.current_pointer_frame) {
left_direction = true;
} else {
left_direction = false;
}
if (obey_snap) {
snap_to (drag_info.current_pointer_frame);
}
if (drag_info.current_pointer_frame == drag_info.last_pointer_frame) {
return;
}
if (drag_info.first_move) {
string trim_type;
switch (trim_op) {
case StartTrim:
trim_type = "Region start trim";
break;
case EndTrim:
trim_type = "Region end trim";
break;
case ContentsTrim:
trim_type = "Region content trim";
break;
}
begin_reversible_command (trim_type);
for (list<RegionView*>::const_iterator i = selection->regions.by_layer().begin(); i != selection->regions.by_layer().end(); ++i) {
(*i)->fake_set_opaque(false);
(*i)->region()->freeze ();
AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
if (arv)
arv->temporarily_hide_envelope ();
boost::shared_ptr<Playlist> pl = (*i)->region()->playlist();
insert_result = motion_frozen_playlists.insert (pl);
if (insert_result.second) {
session->add_command(new MementoCommand<Playlist>(*pl, &pl->get_state(), 0));
pl->freeze();
}
}
}
if (left_direction) {
frame_delta = (drag_info.last_pointer_frame - drag_info.current_pointer_frame);
} else {
frame_delta = (drag_info.current_pointer_frame - drag_info.last_pointer_frame);
}
switch (trim_op) {
case StartTrim:
if ((left_direction == false) && (drag_info.current_pointer_frame <= rv->region()->first_frame()/speed)) {
break;
} else {
for (list<RegionView*>::const_iterator i = selection->regions.by_layer().begin(); i != selection->regions.by_layer().end(); ++i) {
single_start_trim (**i, frame_delta, left_direction, obey_snap);
}
break;
}
case EndTrim:
if ((left_direction == true) && (drag_info.current_pointer_frame > (nframes_t) (rv->region()->last_frame()/speed))) {
break;
} else {
for (list<RegionView*>::const_iterator i = selection->regions.by_layer().begin(); i != selection->regions.by_layer().end(); ++i) {
single_end_trim (**i, frame_delta, left_direction, obey_snap);
}
break;
}
case ContentsTrim:
{
bool swap_direction = false;
if (Keyboard::modifier_state_equals (event->button.state, Keyboard::PrimaryModifier)) {
swap_direction = true;
}
for (list<RegionView*>::const_iterator i = selection->regions.by_layer().begin();
i != selection->regions.by_layer().end(); ++i)
{
single_contents_trim (**i, frame_delta, left_direction, swap_direction, obey_snap);
}
}
break;
}
switch (trim_op) {
case StartTrim:
show_verbose_time_cursor((nframes_t) (rv->region()->position()/speed), 10);
break;
case EndTrim:
show_verbose_time_cursor((nframes_t) (rv->region()->last_frame()/speed), 10);
break;
case ContentsTrim:
show_verbose_time_cursor(drag_info.current_pointer_frame, 10);
break;
}
drag_info.last_pointer_frame = drag_info.current_pointer_frame;
drag_info.first_move = false;
}
void
Editor::single_contents_trim (RegionView& rv, nframes_t frame_delta, bool left_direction, bool swap_direction, bool obey_snap)
{
boost::shared_ptr<Region> region (rv.region());
if (region->locked()) {
return;
}
nframes_t new_bound;
double speed = 1.0;
TimeAxisView* tvp = clicked_axisview;
RouteTimeAxisView* tv = dynamic_cast<RouteTimeAxisView*>(tvp);
if (tv && tv->is_track()) {
speed = tv->get_diskstream()->speed();
}
if (left_direction) {
if (swap_direction) {
new_bound = (nframes_t) (region->position()/speed) + frame_delta;
} else {
new_bound = (nframes_t) (region->position()/speed) - frame_delta;
}
} else {
if (swap_direction) {
new_bound = (nframes_t) (region->position()/speed) - frame_delta;
} else {
new_bound = (nframes_t) (region->position()/speed) + frame_delta;
}
}
if (obey_snap) {
snap_to (new_bound);
}
region->trim_start ((nframes_t) (new_bound * speed), this);
rv.region_changed (StartChanged);
}
void
Editor::single_start_trim (RegionView& rv, nframes_t frame_delta, bool left_direction, bool obey_snap)
{
boost::shared_ptr<Region> region (rv.region());
if (region->locked()) {
return;
}
nframes_t new_bound;
double speed = 1.0;
TimeAxisView* tvp = clicked_axisview;
RouteTimeAxisView* tv = dynamic_cast<RouteTimeAxisView*>(tvp);
if (tv && tv->is_track()) {
speed = tv->get_diskstream()->speed();
}
if (left_direction) {
new_bound = (nframes_t) (region->position()/speed) - frame_delta;
} else {
new_bound = (nframes_t) (region->position()/speed) + frame_delta;
}
if (obey_snap) {
snap_to (new_bound, (left_direction ? 0 : 1));
}
region->trim_front ((nframes_t) (new_bound * speed), this);
rv.region_changed (Change (LengthChanged|PositionChanged|StartChanged));
}
void
Editor::single_end_trim (RegionView& rv, nframes_t frame_delta, bool left_direction, bool obey_snap)
{
boost::shared_ptr<Region> region (rv.region());
if (region->locked()) {
return;
}
nframes_t new_bound;
double speed = 1.0;
TimeAxisView* tvp = clicked_axisview;
RouteTimeAxisView* tv = dynamic_cast<RouteTimeAxisView*>(tvp);
if (tv && tv->is_track()) {
speed = tv->get_diskstream()->speed();
}
if (left_direction) {
new_bound = (nframes_t) ((region->last_frame() + 1)/speed) - frame_delta;
} else {
new_bound = (nframes_t) ((region->last_frame() + 1)/speed) + frame_delta;
}
if (obey_snap) {
snap_to (new_bound);
}
region->trim_end ((nframes_t) (new_bound * speed), this);
rv.region_changed (LengthChanged);
}
void
Editor::trim_finished_callback (ArdourCanvas::Item* item, GdkEvent* event)
{
if (!drag_info.first_move) {
trim_motion_callback (item, event);
if (!selection->selected (clicked_regionview)) {
thaw_region_after_trim (*clicked_regionview);
} else {
for (list<RegionView*>::const_iterator i = selection->regions.by_layer().begin();
i != selection->regions.by_layer().end(); ++i)
{
thaw_region_after_trim (**i);
(*i)->fake_set_opaque (true);
}
}
for (set<boost::shared_ptr<Playlist> >::iterator p = motion_frozen_playlists.begin(); p != motion_frozen_playlists.end(); ++p) {
(*p)->thaw ();
session->add_command (new MementoCommand<Playlist>(*(*p).get(), 0, &(*p)->get_state()));
}
motion_frozen_playlists.clear ();
commit_reversible_command();
} else {
/* no mouse movement */
point_trim (event);
}
}
void
Editor::point_trim (GdkEvent* event)
{
RegionView* rv = clicked_regionview;
nframes_t new_bound = drag_info.current_pointer_frame;
if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
snap_to (new_bound);
}
/* Choose action dependant on which button was pressed */
switch (event->button.button) {
case 1:
trim_op = StartTrim;
begin_reversible_command (_("Start point trim"));
if (selection->selected (rv)) {
for (list<RegionView*>::const_iterator i = selection->regions.by_layer().begin();
i != selection->regions.by_layer().end(); ++i)
{
if (!(*i)->region()->locked()) {
boost::shared_ptr<Playlist> pl = (*i)->region()->playlist();
XMLNode &before = pl->get_state();
(*i)->region()->trim_front (new_bound, this);
XMLNode &after = pl->get_state();
session->add_command(new MementoCommand<Playlist>(*pl.get(), &before, &after));
}
}
} else {
if (!rv->region()->locked()) {
boost::shared_ptr<Playlist> pl = rv->region()->playlist();
XMLNode &before = pl->get_state();
rv->region()->trim_front (new_bound, this);
XMLNode &after = pl->get_state();
session->add_command(new MementoCommand<Playlist>(*pl.get(), &before, &after));
}
}
commit_reversible_command();
break;
case 2:
trim_op = EndTrim;
begin_reversible_command (_("End point trim"));
if (selection->selected (rv)) {
for (list<RegionView*>::const_iterator i = selection->regions.by_layer().begin(); i != selection->regions.by_layer().end(); ++i)
{
if (!(*i)->region()->locked()) {
boost::shared_ptr<Playlist> pl = (*i)->region()->playlist();
XMLNode &before = pl->get_state();
(*i)->region()->trim_end (new_bound, this);
XMLNode &after = pl->get_state();
session->add_command(new MementoCommand<Playlist>(*pl.get(), &before, &after));
}
}
} else {
if (!rv->region()->locked()) {
boost::shared_ptr<Playlist> pl = rv->region()->playlist();
XMLNode &before = pl->get_state();
rv->region()->trim_end (new_bound, this);
XMLNode &after = pl->get_state();
session->add_command (new MementoCommand<Playlist>(*pl.get(), &before, &after));
}
}
commit_reversible_command();
break;
default:
break;
}
}
void
Editor::thaw_region_after_trim (RegionView& rv)
{
boost::shared_ptr<Region> region (rv.region());
if (region->locked()) {
return;
}
region->thaw (_("trimmed region"));
XMLNode &after = region->playlist()->get_state();
session->add_command (new MementoCommand<Playlist>(*(region->playlist()), 0, &after));
AudioRegionView* arv = dynamic_cast<AudioRegionView*>(&rv);
if (arv)
arv->unhide_envelope ();
}
void
Editor::hide_marker (ArdourCanvas::Item* item, GdkEvent* event)
{
Marker* marker;
bool is_start;
if ((marker = static_cast<Marker *> (item->get_data ("marker"))) == 0) {
fatal << _("programming error: marker canvas item has no marker object pointer!") << endmsg;
/*NOTREACHED*/
}
Location* location = find_location_from_marker (marker, is_start);
location->set_hidden (true, this);
}
void
Editor::start_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event, RangeMarkerOp op)
{
if (session == 0) {
return;
}
drag_info.item = item;
drag_info.motion_callback = &Editor::drag_range_markerbar_op;
drag_info.finished_callback = &Editor::end_range_markerbar_op;
range_marker_op = op;
if (!temp_location) {
temp_location = new Location;
}
switch (op) {
case CreateRangeMarker:
case CreateTransportMarker:
case CreateCDMarker:
if (Keyboard::modifier_state_equals (event->button.state, Keyboard::TertiaryModifier)) {
drag_info.copy = true;
} else {
drag_info.copy = false;
}
start_grab (event, selector_cursor);
break;
}
show_verbose_time_cursor(drag_info.current_pointer_frame, 10);
}
void
Editor::drag_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event)
{
nframes_t start = 0;
nframes_t end = 0;
ArdourCanvas::SimpleRect *crect;
switch (range_marker_op) {
case CreateRangeMarker:
crect = range_bar_drag_rect;
break;
case CreateTransportMarker:
crect = transport_bar_drag_rect;
break;
case CreateCDMarker:
crect = cd_marker_bar_drag_rect;
break;
default:
cerr << "Error: unknown range marker op passed to Editor::drag_range_markerbar_op ()" << endl;
return;
break;
}
if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
snap_to (drag_info.current_pointer_frame);
}
/* only alter selection if the current frame is
different from the last frame position.
*/
if (drag_info.current_pointer_frame == drag_info.last_pointer_frame) return;
switch (range_marker_op) {
case CreateRangeMarker:
case CreateTransportMarker:
case CreateCDMarker:
if (drag_info.first_move) {
snap_to (drag_info.grab_frame);
}
if (drag_info.current_pointer_frame < drag_info.grab_frame) {
start = drag_info.current_pointer_frame;
end = drag_info.grab_frame;
} else {
end = drag_info.current_pointer_frame;
start = drag_info.grab_frame;
}
/* first drag: Either add to the selection
or create a new selection.
*/
if (drag_info.first_move) {
temp_location->set (start, end);
crect->show ();
update_marker_drag_item (temp_location);
range_marker_drag_rect->show();
range_marker_drag_rect->raise_to_top();
}
break;
}
if (event->button.x >= horizontal_adjustment.get_value() + canvas_width) {
start_canvas_autoscroll (1, 0);
}
if (start != end) {
temp_location->set (start, end);
double x1 = frame_to_pixel (start);
double x2 = frame_to_pixel (end);
crect->property_x1() = x1;
crect->property_x2() = x2;
update_marker_drag_item (temp_location);
}
drag_info.last_pointer_frame = drag_info.current_pointer_frame;
drag_info.first_move = false;
show_verbose_time_cursor(drag_info.current_pointer_frame, 10);
}
void
Editor::end_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event)
{
Location * newloc = 0;
string rangename;
int flags;
if (!drag_info.first_move) {
drag_range_markerbar_op (item, event);
switch (range_marker_op) {
case CreateRangeMarker:
case CreateCDMarker:
{
begin_reversible_command (_("new range marker"));
XMLNode &before = session->locations()->get_state();
session->locations()->next_available_name(rangename,"unnamed");
if (range_marker_op == CreateCDMarker) {
flags = Location::IsRangeMarker|Location::IsCDMarker;
cd_marker_bar_drag_rect->hide();
}
else {
flags = Location::IsRangeMarker;
range_bar_drag_rect->hide();
}
newloc = new Location(temp_location->start(), temp_location->end(), rangename, (Location::Flags) flags);
session->locations()->add (newloc, true);
XMLNode &after = session->locations()->get_state();
session->add_command(new MementoCommand<Locations>(*(session->locations()), &before, &after));
commit_reversible_command ();
range_marker_drag_rect->hide();
break;
}
case CreateTransportMarker:
// popup menu to pick loop or punch
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) && range_marker_op != CreateCDMarker) {
nframes_t start;
nframes_t end;
start = session->locations()->first_mark_before (drag_info.grab_frame);
end = session->locations()->first_mark_after (drag_info.grab_frame);
if (end == max_frames) {
end = session->current_end_frame ();
}
if (start == 0) {
start = session->current_start_frame ();
}
switch (mouse_mode) {
case MouseObject:
/* find the two markers on either side and then make the selection from it */
select_all_within (start, end, 0.0f, FLT_MAX, track_views, Selection::Set);
break;
case MouseRange:
/* find the two markers on either side of the click and make the range out of it */
selection->set (0, start, end);
break;
default:
break;
}
}
}
stop_canvas_autoscroll ();
}
void
Editor::start_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event)
{
drag_info.item = item;
drag_info.motion_callback = &Editor::drag_mouse_zoom;
drag_info.finished_callback = &Editor::end_mouse_zoom;
start_grab (event, zoom_cursor);
show_verbose_time_cursor (drag_info.current_pointer_frame, 10);
}
void
Editor::drag_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event)
{
nframes_t start;
nframes_t end;
if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
snap_to (drag_info.current_pointer_frame);
if (drag_info.first_move) {
snap_to (drag_info.grab_frame);
}
}
if (drag_info.current_pointer_frame == drag_info.last_pointer_frame) return;
/* base start and end on initial click position */
if (drag_info.current_pointer_frame < drag_info.grab_frame) {
start = drag_info.current_pointer_frame;
end = drag_info.grab_frame;
} else {
end = drag_info.current_pointer_frame;
start = drag_info.grab_frame;
}
if (start != end) {
if (drag_info.first_move) {
zoom_rect->show();
zoom_rect->raise_to_top();
}
reposition_zoom_rect(start, end);
drag_info.last_pointer_frame = drag_info.current_pointer_frame;
drag_info.first_move = false;
show_verbose_time_cursor (drag_info.current_pointer_frame, 10);
}
}
void
Editor::end_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event)
{
if (!drag_info.first_move) {
drag_mouse_zoom (item, event);
if (drag_info.grab_frame < drag_info.last_pointer_frame) {
temporal_zoom_by_frame (drag_info.grab_frame, drag_info.last_pointer_frame, "mouse zoom");
} else {
temporal_zoom_by_frame (drag_info.last_pointer_frame, drag_info.grab_frame, "mouse zoom");
}
} else {
temporal_zoom_to_frame (false, drag_info.grab_frame);
/*
temporal_zoom_step (false);
center_screen (drag_info.grab_frame);
*/
}
zoom_rect->hide();
}
void
Editor::reposition_zoom_rect (nframes_t start, nframes_t end)
{
double x1 = frame_to_pixel (start);
double x2 = frame_to_pixel (end);
double y2 = full_canvas_height - 1.0;
zoom_rect->property_x1() = x1;
zoom_rect->property_y1() = 1.0;
zoom_rect->property_x2() = x2;
zoom_rect->property_y2() = y2;
}
void
Editor::start_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event)
{
drag_info.item = item;
drag_info.motion_callback = &Editor::drag_rubberband_select;
drag_info.finished_callback = &Editor::end_rubberband_select;
start_grab (event, cross_hair_cursor);
show_verbose_time_cursor (drag_info.current_pointer_frame, 10);
}
void
Editor::drag_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event)
{
nframes_t start;
nframes_t end;
double y1;
double y2;
/* use a bigger drag threshold than the default */
if (abs ((int) (drag_info.current_pointer_frame - drag_info.grab_frame)) < 8) {
return;
}
if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier()) && Config->get_rubberbanding_snaps_to_grid()) {
if (drag_info.first_move) {
snap_to (drag_info.grab_frame);
}
snap_to (drag_info.current_pointer_frame);
}
/* base start and end on initial click position */
if (drag_info.current_pointer_frame < drag_info.grab_frame) {
start = drag_info.current_pointer_frame;
end = drag_info.grab_frame;
} else {
end = drag_info.current_pointer_frame;
start = drag_info.grab_frame;
}
if (drag_info.current_pointer_y < drag_info.grab_y) {
y1 = drag_info.current_pointer_y;
y2 = drag_info.grab_y;
} else {
y2 = drag_info.current_pointer_y;
y1 = drag_info.grab_y;
}
if (start != end || y1 != y2) {
double x1 = frame_to_pixel (start);
double x2 = frame_to_pixel (end);
rubberband_rect->property_x1() = x1;
rubberband_rect->property_y1() = y1;
rubberband_rect->property_x2() = x2;
rubberband_rect->property_y2() = y2;
rubberband_rect->show();
rubberband_rect->raise_to_top();
drag_info.last_pointer_frame = drag_info.current_pointer_frame;
drag_info.first_move = false;
show_verbose_time_cursor (drag_info.current_pointer_frame, 10);
}
}
void
Editor::end_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event)
{
if (!drag_info.first_move) {
drag_rubberband_select (item, event);
double y1,y2;
if (drag_info.current_pointer_y < drag_info.grab_y) {
y1 = drag_info.current_pointer_y;
y2 = drag_info.grab_y;
}
else {
y2 = drag_info.current_pointer_y;
y1 = drag_info.grab_y;
}
Selection::Operation op = Keyboard::selection_type (event->button.state);
bool commit;
begin_reversible_command (_("rubberband selection"));
if (drag_info.grab_frame < drag_info.last_pointer_frame) {
commit = select_all_within (drag_info.grab_frame, drag_info.last_pointer_frame, y1, y2, track_views, op);
} else {
commit = select_all_within (drag_info.last_pointer_frame, drag_info.grab_frame, y1, y2, track_views, op);
}
if (commit) {
commit_reversible_command ();
}
} else {
selection->clear_tracks();
selection->clear_regions();
selection->clear_points ();
selection->clear_lines ();
}
rubberband_rect->hide();
}
gint
Editor::mouse_rename_region (ArdourCanvas::Item* item, GdkEvent* event)
{
using namespace Gtkmm2ext;
ArdourPrompter prompter (false);
prompter.set_prompt (_("Name for region:"));
prompter.set_initial_text (clicked_regionview->region()->name());
prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
prompter.show_all ();
switch (prompter.run ()) {
case Gtk::RESPONSE_ACCEPT:
string str;
prompter.get_result(str);
if (str.length()) {
clicked_regionview->region()->set_name (str);
}
break;
}
return true;
}
void
Editor::start_time_fx (ArdourCanvas::Item* item, GdkEvent* event)
{
drag_info.item = item;
drag_info.motion_callback = &Editor::time_fx_motion;
drag_info.finished_callback = &Editor::end_time_fx;
start_grab (event);
show_verbose_time_cursor (drag_info.current_pointer_frame, 10);
}
void
Editor::time_fx_motion (ArdourCanvas::Item *item, GdkEvent* event)
{
RegionView* rv = clicked_regionview;
if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
snap_to (drag_info.current_pointer_frame);
}
if (drag_info.current_pointer_frame == drag_info.last_pointer_frame) {
return;
}
if (drag_info.current_pointer_frame > rv->region()->position()) {
rv->get_time_axis_view().show_timestretch (rv->region()->position(), drag_info.current_pointer_frame);
}
drag_info.last_pointer_frame = drag_info.current_pointer_frame;
drag_info.first_move = false;
show_verbose_time_cursor (drag_info.current_pointer_frame, 10);
}
void
Editor::end_time_fx (ArdourCanvas::Item* item, GdkEvent* event)
{
clicked_regionview->get_time_axis_view().hide_timestretch ();
if (drag_info.first_move) {
return;
}
if (drag_info.last_pointer_frame < clicked_regionview->region()->position()) {
/* backwards drag of the left edge - not usable */
return;
}
nframes_t newlen = drag_info.last_pointer_frame - clicked_regionview->region()->position();
float percentage = (double) newlen / (double) clicked_regionview->region()->length();
#ifndef USE_RUBBERBAND
// Soundtouch uses percentage / 100 instead of normal (/ 1)
if (clicked_regionview->region()->data_type() == DataType::AUDIO) {
percentage = (float) ((double) newlen - (double) clicked_regionview->region()->length()) / ((double) newlen) * 100.0f;
#endif
}
begin_reversible_command (_("timestretch"));
// XXX how do timeFX on multiple regions ?
RegionSelection rs;
rs.add (clicked_regionview);
if (time_stretch (rs, percentage) == 0) {
session->commit_reversible_command ();
}
}
void
Editor::mouse_brush_insert_region (RegionView* rv, nframes_t pos)
{
/* no brushing without a useful snap setting */
// FIXME
AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
assert(arv);
switch (snap_mode) {
case SnapMagnetic:
return; /* can't work because it allows region to be placed anywhere */
default:
break; /* OK */
}
switch (snap_type) {
case SnapToMark:
return;
default:
break;
}
/* don't brush a copy over the original */
if (pos == rv->region()->position()) {
return;
}
RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&arv->get_time_axis_view());
if (rtv == 0 || !rtv->is_track()) {
return;
}
boost::shared_ptr<Playlist> playlist = rtv->playlist();
double speed = rtv->get_diskstream()->speed();
XMLNode &before = playlist->get_state();
playlist->add_region (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (arv->audio_region())), (nframes_t) (pos * speed));
XMLNode &after = playlist->get_state();
session->add_command(new MementoCommand<Playlist>(*playlist.get(), &before, &after));
// playlist is frozen, so we have to update manually
playlist->Modified(); /* EMIT SIGNAL */
}
gint
Editor::track_height_step_timeout ()
{
struct timeval now;
struct timeval delta;
gettimeofday (&now, 0);
timersub (&now, &last_track_height_step_timestamp, &delta);
if (delta.tv_sec * 1000000 + delta.tv_usec > 250000) { /* milliseconds */
current_stepping_trackview = 0;
return false;
}
return true;
}
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