13
0
livetrax/gtk2_ardour/editor_canvas_events.cc

1319 lines
31 KiB
C++

/*
Copyright (C) 2000 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <cstdlib>
#include <cmath>
#include <algorithm>
#include <typeinfo>
#include "pbd/stacktrace.h"
#include "ardour/midi_region.h"
#include "ardour/region_factory.h"
#include "ardour/profile.h"
#include "canvas/canvas.h"
#include "canvas/text.h"
#include "canvas/scroll_group.h"
#include "editor.h"
#include "keyboard.h"
#include "public_editor.h"
#include "audio_region_view.h"
#include "audio_streamview.h"
#include "audio_time_axis.h"
#include "region_gain_line.h"
#include "automation_line.h"
#include "automation_time_axis.h"
#include "automation_line.h"
#include "control_point.h"
#include "editor_drag.h"
#include "midi_time_axis.h"
#include "editor_regions.h"
#include "verbose_cursor.h"
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace ArdourCanvas;
using Gtkmm2ext::Keyboard;
bool
Editor::track_canvas_scroll (GdkEventScroll* ev)
{
if (Keyboard::some_magic_widget_has_focus()) {
return false;
}
framepos_t xdelta;
int direction = ev->direction;
/* this event arrives without transformation by the canvas, so we have
* to transform the coordinates to be able to look things up.
*/
Duple event_coords = _track_canvas->window_to_canvas (Duple (ev->x, ev->y));
retry:
switch (direction) {
case GDK_SCROLL_UP:
if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomHorizontalModifier)) {
//for mouse-wheel zoom, force zoom-focus to mouse
Editing::ZoomFocus temp_focus = zoom_focus;
zoom_focus = Editing::ZoomFocusMouse;
temporal_zoom_step (false);
zoom_focus = temp_focus;
return true;
} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollHorizontalModifier)) {
direction = GDK_SCROLL_LEFT;
goto retry;
} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomVerticalModifier)) {
if (!current_stepping_trackview) {
step_timeout = Glib::signal_timeout().connect (sigc::mem_fun(*this, &Editor::track_height_step_timeout), 500);
std::pair<TimeAxisView*, int> const p = trackview_by_y_position (event_coords.y, false);
current_stepping_trackview = p.first;
if (!current_stepping_trackview) {
return false;
}
}
last_track_height_step_timestamp = get_microseconds();
current_stepping_trackview->step_height (false);
return true;
} else {
scroll_up_one_track ();
return true;
}
break;
case GDK_SCROLL_DOWN:
if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomHorizontalModifier)) {
//for mouse-wheel zoom, force zoom-focus to mouse
Editing::ZoomFocus temp_focus = zoom_focus;
zoom_focus = Editing::ZoomFocusMouse;
temporal_zoom_step (true);
zoom_focus = temp_focus;
return true;
} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollHorizontalModifier)) {
direction = GDK_SCROLL_RIGHT;
goto retry;
} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomVerticalModifier)) {
if (!current_stepping_trackview) {
step_timeout = Glib::signal_timeout().connect (sigc::mem_fun(*this, &Editor::track_height_step_timeout), 500);
std::pair<TimeAxisView*, int> const p = trackview_by_y_position (event_coords.y, false);
current_stepping_trackview = p.first;
if (!current_stepping_trackview) {
return false;
}
}
last_track_height_step_timestamp = get_microseconds();
current_stepping_trackview->step_height (true);
return true;
} else {
scroll_down_one_track ();
return true;
}
break;
case GDK_SCROLL_LEFT:
xdelta = (current_page_samples() / 8);
if (leftmost_frame > xdelta) {
reset_x_origin (leftmost_frame - xdelta);
} else {
reset_x_origin (0);
}
break;
case GDK_SCROLL_RIGHT:
xdelta = (current_page_samples() / 8);
if (max_framepos - xdelta > leftmost_frame) {
reset_x_origin (leftmost_frame + xdelta);
} else {
reset_x_origin (max_framepos - current_page_samples());
}
break;
default:
/* what? */
break;
}
return false;
}
bool
Editor::canvas_scroll_event (GdkEventScroll *event, bool from_canvas)
{
if (from_canvas) {
boost::optional<ArdourCanvas::Rect> rulers = _time_markers_group->bounding_box();
if (rulers && rulers->contains (Duple (event->x, event->y))) {
return canvas_ruler_event ((GdkEvent*) event, timecode_ruler, TimecodeRulerItem);
}
}
_track_canvas->grab_focus();
return track_canvas_scroll (event);
}
bool
Editor::track_canvas_button_press_event (GdkEventButton */*event*/)
{
selection->clear ();
_track_canvas->grab_focus();
return false;
}
bool
Editor::track_canvas_button_release_event (GdkEventButton *event)
{
if (_drags->active ()) {
_drags->end_grab ((GdkEvent*) event);
}
return false;
}
bool
Editor::track_canvas_motion_notify_event (GdkEventMotion */*event*/)
{
int x, y;
/* keep those motion events coming */
_track_canvas->get_pointer (x, y);
return false;
}
bool
Editor::typed_event (ArdourCanvas::Item* item, GdkEvent *event, ItemType type)
{
gint ret = FALSE;
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
ret = button_press_handler (item, event, type);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, type);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, type);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, type);
break;
case GDK_KEY_PRESS:
ret = key_press_handler (item, event, type);
break;
case GDK_KEY_RELEASE:
ret = key_release_handler (item, event, type);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_region_view_event (GdkEvent *event, ArdourCanvas::Item* item, RegionView *rv)
{
bool ret = false;
if (!rv->sensitive ()) {
return false;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &rv->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
ret = button_press_handler (item, event, RegionItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, RegionItem);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
set_entered_regionview (rv);
ret = enter_handler (item, event, RegionItem);
break;
case GDK_LEAVE_NOTIFY:
if (event->crossing.detail != GDK_NOTIFY_INFERIOR) {
set_entered_regionview (0);
ret = leave_handler (item, event, RegionItem);
}
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_wave_view_event (GdkEvent *event, ArdourCanvas::Item* item, RegionView* rv)
{
/* we only care about enter events here, required for mouse/cursor
* tracking. there is a non-linear (non-child/non-parent) relationship
* between various components of a regionview and so when we leave one
* of them (e.g. a trim handle) and enter another (e.g. the waveview)
* no other items get notified. enter/leave handling does not propagate
* in the same way as other events, so we need to catch this because
* entering (and leaving) the waveview is equivalent to
* entering/leaving the regionview (which is why it is passed in as a
* third argument).
*
* And in fact, we really only care about enter events.
*/
bool ret = false;
if (!rv->sensitive ()) {
return false;
}
switch (event->type) {
case GDK_ENTER_NOTIFY:
set_entered_regionview (rv);
ret = enter_handler (item, event, WaveItem);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_stream_view_event (GdkEvent *event, ArdourCanvas::Item* item, RouteTimeAxisView *tv)
{
bool ret = FALSE;
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_regionview = 0;
clicked_control_point = 0;
clicked_axisview = tv;
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
ret = button_press_handler (item, event, StreamItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, StreamItem);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
set_entered_track (tv);
ret = enter_handler (item, event, StreamItem);
break;
case GDK_LEAVE_NOTIFY:
if (event->crossing.detail != GDK_NOTIFY_INFERIOR) {
set_entered_track (0);
}
ret = leave_handler (item, event, StreamItem);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_automation_track_event (GdkEvent *event, ArdourCanvas::Item* item, AutomationTimeAxisView *atv)
{
bool ret = false;
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_regionview = 0;
clicked_control_point = 0;
clicked_axisview = atv;
clicked_routeview = 0;
ret = button_press_handler (item, event, AutomationTrackItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, AutomationTrackItem);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, AutomationTrackItem);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, AutomationTrackItem);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_start_xfade_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
{
if (!rv->sensitive()) {
return false;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &rv->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
if (event->button.button == 3) {
return button_press_handler (item, event, StartCrossFadeItem);
}
break;
case GDK_BUTTON_RELEASE:
if (event->button.button == 3) {
return button_release_handler (item, event, StartCrossFadeItem);
}
break;
default:
break;
}
/* In Mixbus, the crossfade area is used to trim the region while leaving the fade anchor intact (see preserve_fade_anchor)*/
/* however in A3 this feature is unfinished, and it might be better to do it with a modifier-trim instead, anyway */
/* if we return RegionItem here then we avoid the issue until it is resolved later */
return typed_event (item, event, RegionItem); // StartCrossFadeItem);
}
bool
Editor::canvas_end_xfade_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
{
if (!rv->sensitive()) {
return false;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &rv->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
if (event->button.button == 3) {
return button_press_handler (item, event, EndCrossFadeItem);
}
break;
case GDK_BUTTON_RELEASE:
if (event->button.button == 3) {
return button_release_handler (item, event, EndCrossFadeItem);
}
break;
default:
break;
}
/* In Mixbus, the crossfade area is used to trim the region while leaving the fade anchor intact (see preserve_fade_anchor)*/
/* however in A3 this feature is unfinished, and it might be better to do it with a modifier-trim instead, anyway */
/* if we return RegionItem here then we avoid the issue until it is resolved later */
return typed_event (item, event, RegionItem); // EndCrossFadeItem);
}
bool
Editor::canvas_fade_in_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
{
/* we handle only button 3 press/release events */
if (!rv->sensitive()) {
return false;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &rv->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
if (event->button.button == 3) {
return button_press_handler (item, event, FadeInItem);
}
break;
case GDK_BUTTON_RELEASE:
if (event->button.button == 3) {
return button_release_handler (item, event, FadeInItem);
}
break;
default:
break;
}
/* proxy for the regionview, except enter/leave events */
if (event->type == GDK_ENTER_NOTIFY || event->type == GDK_LEAVE_NOTIFY) {
return true;
} else {
return canvas_region_view_event (event, rv->get_canvas_group(), rv);
}
}
bool
Editor::canvas_fade_in_handle_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv, bool trim)
{
bool ret = false;
if (!rv->sensitive()) {
return false;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &rv->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
ret = button_press_handler (item, event, trim ? FadeInTrimHandleItem : FadeInHandleItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, trim ? FadeInTrimHandleItem : FadeInHandleItem);
maybe_locate_with_edit_preroll ( rv->region()->position() );
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, trim ? FadeInTrimHandleItem : FadeInHandleItem);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, trim ? FadeInTrimHandleItem : FadeInHandleItem);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_fade_out_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv)
{
/* we handle only button 3 press/release events */
if (!rv->sensitive()) {
return false;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &rv->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
if (event->button.button == 3) {
return button_press_handler (item, event, FadeOutItem);
}
break;
case GDK_BUTTON_RELEASE:
if (event->button.button == 3) {
return button_release_handler (item, event, FadeOutItem);
}
break;
default:
break;
}
/* proxy for the regionview, except enter/leave events */
if (event->type == GDK_ENTER_NOTIFY || event->type == GDK_LEAVE_NOTIFY) {
return true;
} else {
return canvas_region_view_event (event, rv->get_canvas_group(), rv);
}
}
bool
Editor::canvas_fade_out_handle_event (GdkEvent *event, ArdourCanvas::Item* item, AudioRegionView *rv, bool trim)
{
bool ret = false;
if (!rv->sensitive()) {
return false;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &rv->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
ret = button_press_handler (item, event, trim ? FadeOutTrimHandleItem : FadeOutHandleItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, trim ? FadeOutTrimHandleItem : FadeOutHandleItem);
maybe_locate_with_edit_preroll ( rv->region()->last_frame() - rv->get_fade_out_shape_width() );
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, trim ? FadeOutTrimHandleItem : FadeOutHandleItem);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, trim ? FadeOutTrimHandleItem : FadeOutHandleItem);
break;
default:
break;
}
return ret;
}
struct DescendingRegionLayerSorter {
bool operator()(boost::shared_ptr<Region> a, boost::shared_ptr<Region> b) {
return a->layer() > b->layer();
}
};
bool
Editor::canvas_control_point_event (GdkEvent *event, ArdourCanvas::Item* item, ControlPoint* cp)
{
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_control_point = cp;
clicked_axisview = &cp->line().trackview;
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
clicked_regionview = 0;
break;
case GDK_SCROLL_UP:
break;
case GDK_SCROLL_DOWN:
break;
default:
break;
}
return typed_event (item, event, ControlPointItem);
}
bool
Editor::canvas_line_event (GdkEvent *event, ArdourCanvas::Item* item, AutomationLine* al)
{
ItemType type;
if (dynamic_cast<AudioRegionGainLine*> (al) != 0) {
type = GainLineItem;
} else {
type = AutomationLineItem;
}
return typed_event (item, event, type);
}
bool
Editor::canvas_selection_rect_event (GdkEvent *event, ArdourCanvas::Item* item, SelectionRect* rect)
{
bool ret = false;
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_selection = rect->id;
ret = button_press_handler (item, event, SelectionItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, SelectionItem);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
/* Don't need these at the moment. */
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, SelectionItem);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, SelectionItem);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_selection_start_trim_event (GdkEvent *event, ArdourCanvas::Item* item, SelectionRect* rect)
{
bool ret = false;
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_selection = rect->id;
ret = button_press_handler (item, event, StartSelectionTrimItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, StartSelectionTrimItem);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, StartSelectionTrimItem);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, StartSelectionTrimItem);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_selection_end_trim_event (GdkEvent *event, ArdourCanvas::Item* item, SelectionRect* rect)
{
bool ret = false;
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_selection = rect->id;
ret = button_press_handler (item, event, EndSelectionTrimItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, EndSelectionTrimItem);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, EndSelectionTrimItem);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, EndSelectionTrimItem);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_frame_handle_event (GdkEvent* event, ArdourCanvas::Item* item, RegionView* rv)
{
bool ret = false;
/* frame handles are not active when in internal edit mode, because actual notes
might be in the area occupied by the handle - we want them to be editable as normal.
*/
if (internal_editing() || !rv->sensitive()) {
return false;
}
/* NOTE: frame handles pretend to be the colored trim bar from an event handling
perspective. XXX change this ??
*/
ItemType type;
if (item->get_data ("isleft")) {
type = LeftFrameHandle;
} else {
type = RightFrameHandle;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &clicked_regionview->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
ret = button_press_handler (item, event, type);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, type);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, type);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, type);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_region_view_name_highlight_event (GdkEvent* event, ArdourCanvas::Item* item, RegionView* rv)
{
bool ret = false;
if (!rv->sensitive()) {
return false;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &clicked_regionview->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
ret = button_press_handler (item, event, RegionViewNameHighlight);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, RegionViewNameHighlight);
break;
case GDK_MOTION_NOTIFY:
motion_handler (item, event);
ret = true; // force this to avoid progagating the event into the regionview
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, RegionViewNameHighlight);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, RegionViewNameHighlight);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_region_view_name_event (GdkEvent *event, ArdourCanvas::Item* item, RegionView* rv)
{
bool ret = false;
if (!rv->sensitive()) {
return false;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_regionview = rv;
clicked_control_point = 0;
clicked_axisview = &clicked_regionview->get_time_axis_view();
clicked_routeview = dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
ret = button_press_handler (item, event, RegionViewName);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, RegionViewName);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, RegionViewName);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, RegionViewName);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_feature_line_event (GdkEvent *event, ArdourCanvas::Item* item, RegionView*)
{
bool ret = false;
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
clicked_regionview = 0;
clicked_control_point = 0;
clicked_axisview = 0;
clicked_routeview = 0; //dynamic_cast<RouteTimeAxisView*>(clicked_axisview);
ret = button_press_handler (item, event, FeatureLineItem);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_handler (item, event, FeatureLineItem);
break;
case GDK_MOTION_NOTIFY:
ret = motion_handler (item, event);
break;
case GDK_ENTER_NOTIFY:
ret = enter_handler (item, event, FeatureLineItem);
break;
case GDK_LEAVE_NOTIFY:
ret = leave_handler (item, event, FeatureLineItem);
break;
default:
break;
}
return ret;
}
bool
Editor::canvas_marker_event (GdkEvent *event, ArdourCanvas::Item* item, Marker* /*marker*/)
{
return typed_event (item, event, MarkerItem);
}
bool
Editor::canvas_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, MarkerBarItem);
}
bool
Editor::canvas_range_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, RangeMarkerBarItem);
}
bool
Editor::canvas_transport_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, TransportMarkerBarItem);
}
bool
Editor::canvas_cd_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, CdMarkerBarItem);
}
bool
Editor::canvas_videotl_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, VideoBarItem);
}
bool
Editor::canvas_tempo_marker_event (GdkEvent *event, ArdourCanvas::Item* item, TempoMarker* /*marker*/)
{
return typed_event (item, event, TempoMarkerItem);
}
bool
Editor::canvas_meter_marker_event (GdkEvent *event, ArdourCanvas::Item* item, MeterMarker* /*marker*/)
{
return typed_event (item, event, MeterMarkerItem);
}
bool
Editor::canvas_ruler_event (GdkEvent *event, ArdourCanvas::Item* item, ItemType type)
{
framepos_t xdelta;
bool handled = false;
if (event->type == GDK_SCROLL) {
/* scroll events in the rulers are handled a little differently from
scrolling elsewhere in the canvas.
*/
switch (event->scroll.direction) {
case GDK_SCROLL_UP:
temporal_zoom_step (false);
handled = true;
break;
case GDK_SCROLL_DOWN:
temporal_zoom_step (true);
handled = true;
break;
case GDK_SCROLL_LEFT:
xdelta = (current_page_samples() / 2);
if (leftmost_frame > xdelta) {
reset_x_origin (leftmost_frame - xdelta);
} else {
reset_x_origin (0);
}
handled = true;
break;
case GDK_SCROLL_RIGHT:
xdelta = (current_page_samples() / 2);
if (max_framepos - xdelta > leftmost_frame) {
reset_x_origin (leftmost_frame + xdelta);
} else {
reset_x_origin (max_framepos - current_page_samples());
}
handled = true;
break;
default:
/* what? */
break;
}
return handled;
}
return typed_event (item, event, type);
}
bool
Editor::canvas_tempo_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, TempoBarItem);
}
bool
Editor::canvas_meter_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, MeterBarItem);
}
bool
Editor::canvas_playhead_cursor_event (GdkEvent *event, ArdourCanvas::Item* item)
{
return typed_event (item, event, PlayheadCursorItem);
}
bool
Editor::canvas_note_event (GdkEvent *event, ArdourCanvas::Item* item)
{
if (!internal_editing()) {
return false;
}
return typed_event (item, event, NoteItem);
}
bool
Editor::canvas_drop_zone_event (GdkEvent* event)
{
GdkEventScroll scroll;
ArdourCanvas::Duple winpos;
switch (event->type) {
case GDK_BUTTON_RELEASE:
if (event->button.button == 1) {
selection->clear_objects ();
selection->clear_tracks ();
}
break;
case GDK_SCROLL:
/* convert coordinates back into window space so that
we can just call canvas_scroll_event().
*/
winpos = _track_canvas->canvas_to_window (Duple (event->scroll.x, event->scroll.y));
scroll = event->scroll;
scroll.x = winpos.x;
scroll.y = winpos.y;
return canvas_scroll_event (&scroll, true);
break;
case GDK_ENTER_NOTIFY:
return typed_event (_canvas_drop_zone, event, DropZoneItem);
case GDK_LEAVE_NOTIFY:
return typed_event (_canvas_drop_zone, event, DropZoneItem);
default:
break;
}
return true;
}
bool
Editor::track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const& context, int x, int y, guint time)
{
boost::shared_ptr<Region> region;
boost::shared_ptr<Region> region_copy;
RouteTimeAxisView* rtav;
GdkEvent event;
double px;
double py;
string target = _track_canvas->drag_dest_find_target (context, _track_canvas->drag_dest_get_target_list());
if (target.empty()) {
return false;
}
event.type = GDK_MOTION_NOTIFY;
event.button.x = x;
event.button.y = y;
/* assume we're dragging with button 1 */
event.motion.state = Gdk::BUTTON1_MASK;
(void) window_event_sample (&event, &px, &py);
std::pair<TimeAxisView*, int> const tv = trackview_by_y_position (py, false);
bool can_drop = false;
if (tv.first != 0) {
/* over a time axis view of some kind */
rtav = dynamic_cast<RouteTimeAxisView*> (tv.first);
if (rtav != 0 && rtav->is_track ()) {
/* over a track, not a bus */
can_drop = true;
}
} else {
/* not over a time axis view, so drop is possible */
can_drop = true;
}
if (can_drop) {
region = _regions->get_dragged_region ();
if (region) {
if ((boost::dynamic_pointer_cast<AudioRegion> (region) != 0 &&
dynamic_cast<AudioTimeAxisView*> (tv.first) != 0) ||
(boost::dynamic_pointer_cast<MidiRegion> (region) != 0 &&
dynamic_cast<MidiTimeAxisView*> (tv.first) != 0)) {
/* audio to audio
OR
midi to midi
*/
context->drag_status (context->get_suggested_action(), time);
return true;
}
} else {
/* DND originating from outside ardour
*
* TODO: check if file is audio/midi, allow drops on same track-type only,
* currently: if audio is dropped on a midi-track, it is only added to the region-list
*/
if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
context->drag_status(Gdk::ACTION_COPY, time);
} else {
if ((context->get_actions() & (Gdk::ACTION_COPY | Gdk::ACTION_LINK | Gdk::ACTION_MOVE)) == Gdk::ACTION_COPY) {
context->drag_status(Gdk::ACTION_COPY, time);
} else {
context->drag_status(Gdk::ACTION_LINK, time);
}
}
return true;
}
}
/* no drop here */
context->drag_status (Gdk::DragAction (0), time);
return false;
}
void
Editor::drop_regions (const Glib::RefPtr<Gdk::DragContext>& /*context*/,
int x, int y,
const SelectionData& /*data*/,
guint /*info*/, guint /*time*/)
{
boost::shared_ptr<Region> region;
boost::shared_ptr<Region> region_copy;
RouteTimeAxisView* rtav;
GdkEvent event;
double px;
double py;
event.type = GDK_MOTION_NOTIFY;
event.button.x = x;
event.button.y = y;
/* assume we're dragging with button 1 */
event.motion.state = Gdk::BUTTON1_MASK;
framepos_t const pos = window_event_sample (&event, &px, &py);
std::pair<TimeAxisView*, int> const tv = trackview_by_y_position (py, false);
if (tv.first != 0) {
rtav = dynamic_cast<RouteTimeAxisView*> (tv.first);
if (rtav != 0 && rtav->is_track ()) {
boost::shared_ptr<Region> region = _regions->get_dragged_region ();
if (region) {
region_copy = RegionFactory::create (region, true);
if ((boost::dynamic_pointer_cast<AudioRegion> (region_copy) != 0 &&
dynamic_cast<AudioTimeAxisView*> (tv.first) != 0) ||
(boost::dynamic_pointer_cast<MidiRegion> (region_copy) != 0 &&
dynamic_cast<MidiTimeAxisView*> (tv.first) != 0)) {
/* audio to audio
OR
midi to midi
*/
_drags->set (new RegionInsertDrag (this, region_copy, rtav, pos), &event);
_drags->end_grab (0);
}
}
}
}
}
bool
Editor::key_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType)
{
return false;
}
bool
Editor::key_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType type)
{
bool handled = false;
switch (type) {
case TempoMarkerItem:
switch (event->key.keyval) {
case GDK_Delete:
remove_tempo_marker (item);
handled = true;
break;
default:
break;
}
break;
case MeterMarkerItem:
switch (event->key.keyval) {
case GDK_Delete:
remove_meter_marker (item);
handled = true;
break;
default:
break;
}
break;
default:
break;
}
return handled;
}