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livetrax/gtk2_ardour/time_axis_view.cc

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/*
Copyright (C) 2000 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <cstdlib>
#include <cmath>
#include <algorithm>
#include <string>
#include <list>
#include <libgnomecanvasmm.h>
#include <libgnomecanvasmm/canvas.h>
#include <libgnomecanvasmm/item.h>
#include "pbd/error.h"
#include "pbd/convert.h"
#include <gtkmm2ext/doi.h>
#include <gtkmm2ext/utils.h>
#include <gtkmm2ext/selector.h>
#include "ardour_ui.h"
#include "ardour_dialog.h"
#include "global_signals.h"
#include "gui_thread.h"
#include "public_editor.h"
#include "time_axis_view.h"
#include "region_view.h"
#include "ghostregion.h"
#include "simplerect.h"
#include "simpleline.h"
#include "selection.h"
#include "keyboard.h"
#include "rgb_macros.h"
#include "utils.h"
#include "streamview.h"
#include "editor_drag.h"
#include "editor.h"
#include "i18n.h"
using namespace std;
using namespace Gtk;
using namespace Gdk;
using namespace ARDOUR;
using namespace PBD;
using namespace Editing;
using namespace ArdourCanvas;
using Gtkmm2ext::Keyboard;
const double trim_handle_size = 6.0; /* pixels */
uint32_t TimeAxisView::button_height = 0;
uint32_t TimeAxisView::extra_height = 0;
int const TimeAxisView::_max_order = 512;
PBD::Signal1<void,TimeAxisView*> TimeAxisView::CatchDeletion;
TimeAxisView::TimeAxisView (ARDOUR::Session* sess, PublicEditor& ed, TimeAxisView* rent, Canvas& /*canvas*/)
: AxisView (sess)
, controls_table (2, 8)
, _name_editing (false)
, height (0)
, display_menu (0)
, parent (rent)
, selection_group (0)
, _hidden (false)
, in_destructor (false)
, _size_menu (0)
, _canvas_display (0)
, _y_position (0)
, _editor (ed)
, name_entry (0)
, control_parent (0)
, _order (0)
, _effective_height (0)
, _resize_drag_start (-1)
, _preresize_cursor (0)
, _have_preresize_cursor (false)
, _ghost_group (0)
, _ebox_release_can_act (true)
{
if (extra_height == 0) {
compute_heights ();
}
_canvas_background = new Group (*ed.get_background_group (), 0.0, 0.0);
_canvas_display = new Group (*ed.get_trackview_group (), 0.0, 0.0);
_canvas_display->hide(); // reveal as needed
selection_group = new Group (*_canvas_display);
selection_group->set_data (X_("timeselection"), (void *) 1);
selection_group->hide();
_ghost_group = new Group (*_canvas_display);
_ghost_group->lower_to_bottom();
_ghost_group->show();
name_label.set_name ("TrackLabel");
name_label.set_alignment (0.0, 0.5);
ARDOUR_UI::instance()->set_tip (name_label, _("Track/Bus name (double click to edit)"));
Gtk::Entry* an_entry = new Gtk::Entry;
Gtk::Requisition req;
an_entry->size_request (req);
name_label.set_size_request (-1, req.height);
delete an_entry;
name_hbox.pack_start (name_label, true, true);
name_hbox.show ();
name_label.show ();
controls_table.set_size_request (200);
controls_table.set_row_spacings (2);
controls_table.set_col_spacings (2);
controls_table.set_border_width (2);
controls_table.set_homogeneous (true);
controls_table.attach (name_hbox, 0, 5, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 3, 0);
controls_table.show_all ();
controls_table.set_no_show_all ();
HSeparator* separator = manage (new HSeparator());
separator->set_name("TrackSeparator");
separator->set_size_request(-1, 1);
separator->show();
controls_vbox.pack_start (controls_table, false, false);
controls_vbox.show ();
controls_hbox.pack_start (controls_vbox, true, true);
controls_hbox.show ();
//controls_ebox.set_name ("TimeAxisViewControlsBaseUnselected");
controls_ebox.add (controls_hbox);
controls_ebox.add_events (Gdk::BUTTON_PRESS_MASK|
Gdk::BUTTON_RELEASE_MASK|
Gdk::POINTER_MOTION_MASK|
Gdk::ENTER_NOTIFY_MASK|
Gdk::LEAVE_NOTIFY_MASK|
Gdk::SCROLL_MASK);
controls_ebox.set_flags (CAN_FOCUS);
/* note that this handler connects *before* the default handler */
controls_ebox.signal_scroll_event().connect (sigc::mem_fun (*this, &TimeAxisView::controls_ebox_scroll), true);
controls_ebox.signal_button_press_event().connect (sigc::mem_fun (*this, &TimeAxisView::controls_ebox_button_press));
controls_ebox.signal_button_release_event().connect (sigc::mem_fun (*this, &TimeAxisView::controls_ebox_button_release));
controls_ebox.signal_motion_notify_event().connect (sigc::mem_fun (*this, &TimeAxisView::controls_ebox_motion));
controls_ebox.signal_leave_notify_event().connect (sigc::mem_fun (*this, &TimeAxisView::controls_ebox_leave));
controls_ebox.show ();
time_axis_vbox.pack_start (controls_ebox, true, true, 0);
time_axis_vbox.pack_end (*separator, false, false);
time_axis_vbox.show();
ColorsChanged.connect (sigc::mem_fun (*this, &TimeAxisView::color_handler));
GhostRegion::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&TimeAxisView::erase_ghost, this, _1), gui_context());
}
TimeAxisView::~TimeAxisView()
{
in_destructor = true;
for (list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
delete *i;
}
for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
delete (*i)->rect;
delete (*i)->start_trim;
delete (*i)->end_trim;
}
for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
delete (*i)->rect;
delete (*i)->start_trim;
delete (*i)->end_trim;
}
delete selection_group;
selection_group = 0;
delete _canvas_background;
_canvas_background = 0;
delete _canvas_display;
_canvas_display = 0;
delete display_menu;
display_menu = 0;
delete _size_menu;
}
void
TimeAxisView::hide ()
{
if (_hidden) {
return;
}
_canvas_display->hide ();
_canvas_background->hide ();
if (control_parent) {
control_parent->remove (time_axis_vbox);
control_parent = 0;
}
_y_position = -1;
_hidden = true;
/* now hide children */
for (Children::iterator i = children.begin(); i != children.end(); ++i) {
(*i)->hide ();
}
/* if its hidden, it cannot be selected */
_editor.get_selection().remove (this);
/* and neither can its regions */
_editor.get_selection().remove_regions (this);
Hiding ();
}
/** Display this TimeAxisView as the nth component of the parent box, at y.
*
* @param y y position.
* @param nth index for this TimeAxisView, increased if this view has children.
* @param parent parent component.
* @return height of this TimeAxisView.
*/
guint32
TimeAxisView::show_at (double y, int& nth, VBox *parent)
{
if (control_parent) {
control_parent->reorder_child (time_axis_vbox, nth);
} else {
control_parent = parent;
parent->pack_start (time_axis_vbox, false, false);
parent->reorder_child (time_axis_vbox, nth);
}
_order = nth;
if (_y_position != y) {
_canvas_display->property_y () = y;
_canvas_background->property_y () = y;
/* silly canvas */
_canvas_display->move (0.0, 0.0);
_canvas_background->move (0.0, 0.0);
_y_position = y;
}
_canvas_background->raise_to_top ();
_canvas_display->raise_to_top ();
_canvas_background->show ();
_canvas_display->show ();
_hidden = false;
_effective_height = current_height ();
/* now show relevant children */
for (Children::iterator i = children.begin(); i != children.end(); ++i) {
if ((*i)->marked_for_display()) {
++nth;
_effective_height += (*i)->show_at (y + _effective_height, nth, parent);
} else {
(*i)->hide ();
}
}
return _effective_height;
}
void
TimeAxisView::clip_to_viewport ()
{
if (marked_for_display()) {
if (_y_position + _effective_height < _editor.get_trackview_group_vertical_offset () || _y_position > _editor.get_trackview_group_vertical_offset () + _canvas_display->get_canvas()->get_height()) {
_canvas_background->hide ();
_canvas_display->hide ();
return;
}
_canvas_background->show ();
_canvas_display->show ();
}
return;
}
bool
TimeAxisView::controls_ebox_scroll (GdkEventScroll* ev)
{
switch (ev->direction) {
case GDK_SCROLL_UP:
if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomVerticalModifier)) {
/* See Editor::_stepping_axis_view for notes on this hack */
Editor& e = dynamic_cast<Editor&> (_editor);
if (!e.stepping_axis_view ()) {
e.set_stepping_axis_view (this);
}
e.stepping_axis_view()->step_height (false);
return true;
} else if (Keyboard::no_modifiers_active (ev->state)) {
_editor.scroll_tracks_up_line();
return true;
}
break;
case GDK_SCROLL_DOWN:
if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomVerticalModifier)) {
/* See Editor::_stepping_axis_view for notes on this hack */
Editor& e = dynamic_cast<Editor&> (_editor);
if (!e.stepping_axis_view ()) {
e.set_stepping_axis_view (this);
}
e.stepping_axis_view()->step_height (true);
return true;
} else if (Keyboard::no_modifiers_active (ev->state)) {
_editor.scroll_tracks_down_line();
return true;
}
break;
default:
/* no handling for left/right, yet */
break;
}
return false;
}
bool
TimeAxisView::controls_ebox_button_press (GdkEventButton* event)
{
if ((event->button == 1 && event->type == GDK_2BUTTON_PRESS) || Keyboard::is_edit_event (event)) {
/* see if it is inside the name label */
if (name_label.is_ancestor (controls_ebox)) {
int nlx;
int nly;
controls_ebox.translate_coordinates (name_label, event->x, event->y, nlx, nly);
Gtk::Allocation a = name_label.get_allocation ();
if (nlx > 0 && nlx < a.get_width() && nly > 0 && nly < a.get_height()) {
begin_name_edit ();
_ebox_release_can_act = false;
return true;
}
}
}
_ebox_release_can_act = true;
if (maybe_set_cursor (event->y) > 0) {
_resize_drag_start = event->y_root;
}
return true;
}
void
TimeAxisView::idle_resize (uint32_t h)
{
set_height (h);
}
bool
TimeAxisView::controls_ebox_motion (GdkEventMotion* ev)
{
if (_resize_drag_start >= 0) {
/* (ab)use the DragManager to do autoscrolling; adjust the event coordinates
into the world coordinate space that DragManager::motion_handler is expecting,
and then fake a DragManager motion event so that when maybe_autoscroll
asks DragManager for the current pointer position it will get the correct
answers.
*/
int tx, ty;
controls_ebox.translate_coordinates (*control_parent, ev->x, ev->y, tx, ty);
ev->y = ty - _editor.get_trackview_group_vertical_offset();
_editor.drags()->motion_handler ((GdkEvent *) ev, false);
_editor.maybe_autoscroll (false, true, false, ev->y_root < _resize_drag_start);
/* now do the actual TAV resize */
int32_t const delta = (int32_t) floor (ev->y_root - _resize_drag_start);
_editor.add_to_idle_resize (this, delta);
_resize_drag_start = ev->y_root;
} else {
/* not dragging but ... */
maybe_set_cursor (ev->y);
}
gdk_event_request_motions(ev);
return true;
}
bool
TimeAxisView::controls_ebox_leave (GdkEventCrossing*)
{
if (_have_preresize_cursor) {
gdk_window_set_cursor (controls_ebox.get_window()->gobj(), _preresize_cursor);
_have_preresize_cursor = false;
}
return true;
}
bool
TimeAxisView::maybe_set_cursor (int y)
{
/* XXX no Gtkmm Gdk::Window::get_cursor() */
Glib::RefPtr<Gdk::Window> win = controls_ebox.get_window();
if (y > (gint) floor (controls_ebox.get_height() * 0.75)) {
/* y-coordinate in lower 25% */
if (!_have_preresize_cursor) {
_preresize_cursor = gdk_window_get_cursor (win->gobj());
_have_preresize_cursor = true;
win->set_cursor (Gdk::Cursor(Gdk::SB_V_DOUBLE_ARROW));
}
return 1;
} else if (_have_preresize_cursor) {
gdk_window_set_cursor (win->gobj(), _preresize_cursor);
_have_preresize_cursor = false;
return -1;
}
return 0;
}
bool
TimeAxisView::controls_ebox_button_release (GdkEventButton* ev)
{
if (_resize_drag_start >= 0) {
if (_have_preresize_cursor) {
gdk_window_set_cursor (controls_ebox.get_window()->gobj(), _preresize_cursor);
_preresize_cursor = 0;
_have_preresize_cursor = false;
}
_editor.stop_canvas_autoscroll ();
_resize_drag_start = -1;
}
if (!_ebox_release_can_act) {
return true;
}
switch (ev->button) {
case 1:
selection_click (ev);
break;
case 3:
popup_display_menu (ev->time);
break;
}
return true;
}
void
TimeAxisView::selection_click (GdkEventButton* ev)
{
Selection::Operation op = ArdourKeyboard::selection_type (ev->state);
_editor.set_selected_track (*this, op, false);
}
/** Steps through the defined heights for this TrackView.
* @param coarser true if stepping should decrease in size, otherwise false.
*/
void
TimeAxisView::step_height (bool coarser)
{
static const uint32_t step = 25;
if (coarser) {
if (height <= preset_height (HeightSmall)) {
return;
} else if (height <= preset_height (HeightNormal) && height > preset_height (HeightSmall)) {
set_height_enum (HeightSmall);
} else {
set_height (height - step);
}
} else {
if (height <= preset_height(HeightSmall)) {
set_height_enum (HeightNormal);
} else {
set_height (height + step);
}
}
}
void
TimeAxisView::set_height_enum (Height h, bool apply_to_selection)
{
if (apply_to_selection) {
_editor.get_selection().tracks.foreach_time_axis (boost::bind (&TimeAxisView::set_height_enum, _1, h, false));
} else {
set_height (preset_height (h));
}
}
void
TimeAxisView::set_height (uint32_t h)
{
if (h < preset_height (HeightSmall)) {
h = preset_height (HeightSmall);
}
time_axis_vbox.property_height_request () = h;
height = h;
char buf[32];
snprintf (buf, sizeof (buf), "%u", height);
set_gui_property ("height", buf);
for (list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
(*i)->set_height ();
}
if (canvas_item_visible (selection_group)) {
/* resize the selection rect */
show_selection (_editor.get_selection().time);
}
}
bool
TimeAxisView::name_entry_key_press (GdkEventKey* ev)
{
/* steal escape, tabs from GTK */
switch (ev->keyval) {
case GDK_Escape:
case GDK_ISO_Left_Tab:
case GDK_Tab:
return true;
}
return false;
}
bool
TimeAxisView::name_entry_key_release (GdkEventKey* ev)
{
TrackViewList::iterator i;
switch (ev->keyval) {
case GDK_Escape:
end_name_edit (RESPONSE_CANCEL);
return true;
/* Shift+Tab Keys Pressed. Note that for Shift+Tab, GDK actually
* generates a different ev->keyval, rather than setting
* ev->state.
*/
case GDK_ISO_Left_Tab:
end_name_edit (RESPONSE_APPLY);
return true;
case GDK_Tab:
end_name_edit (RESPONSE_ACCEPT);
return true;
default:
break;
}
return false;
}
bool
TimeAxisView::name_entry_focus_out (GdkEventFocus*)
{
end_name_edit (RESPONSE_OK);
return false;
}
void
TimeAxisView::begin_name_edit ()
{
if (name_entry) {
return;
}
if (can_edit_name()) {
name_entry = manage (new Gtkmm2ext::FocusEntry);
name_entry->set_name ("EditorTrackNameDisplay");
name_entry->signal_key_press_event().connect (sigc::mem_fun (*this, &TimeAxisView::name_entry_key_press), false);
name_entry->signal_key_release_event().connect (sigc::mem_fun (*this, &TimeAxisView::name_entry_key_release), false);
name_entry->signal_focus_out_event().connect (sigc::mem_fun (*this, &TimeAxisView::name_entry_focus_out));
name_entry->set_text (name_label.get_text());
name_entry->signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &TimeAxisView::end_name_edit), RESPONSE_OK));
if (name_label.is_ancestor (name_hbox)) {
name_hbox.remove (name_label);
}
name_hbox.pack_start (*name_entry);
name_entry->show ();
name_entry->select_region (0, -1);
name_entry->set_state (STATE_SELECTED);
name_entry->grab_focus ();
name_entry->start_editing (0);
}
}
void
TimeAxisView::end_name_edit (int response)
{
if (!name_entry) {
return;
}
bool edit_next = false;
bool edit_prev = false;
switch (response) {
case RESPONSE_CANCEL:
break;
case RESPONSE_OK:
name_entry_changed ();
break;
case RESPONSE_ACCEPT:
name_entry_changed ();
edit_next = true;
case RESPONSE_APPLY:
name_entry_changed ();
edit_prev = true;
}
/* this will delete the name_entry. but it will also drop focus, which
* will cause another callback to this function, so set name_entry = 0
* first to ensure we don't double-remove etc. etc.
*/
Gtk::Entry* tmp = name_entry;
name_entry = 0;
name_hbox.remove (*tmp);
/* put the name label back */
name_hbox.pack_start (name_label);
name_label.show ();
if (edit_next) {
TrackViewList const & allviews = _editor.get_track_views ();
TrackViewList::const_iterator i = find (allviews.begin(), allviews.end(), this);
if (i != allviews.end()) {
do {
if (++i == allviews.end()) {
return;
}
RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*>(*i);
if (rtav && rtav->route()->record_enabled()) {
continue;
}
if (!(*i)->hidden()) {
break;
}
} while (true);
}
if ((i != allviews.end()) && (*i != this) && !(*i)->hidden()) {
_editor.ensure_time_axis_view_is_visible (**i);
(*i)->begin_name_edit ();
}
} else if (edit_prev) {
TrackViewList const & allviews = _editor.get_track_views ();
TrackViewList::const_iterator i = find (allviews.begin(), allviews.end(), this);
if (i != allviews.begin()) {
do {
if (i == allviews.begin()) {
return;
}
--i;
RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*>(*i);
if (rtav && rtav->route()->record_enabled()) {
continue;
}
if (!(*i)->hidden()) {
break;
}
} while (true);
}
if ((i != allviews.end()) && (*i != this) && !(*i)->hidden()) {
_editor.ensure_time_axis_view_is_visible (**i);
(*i)->begin_name_edit ();
}
}
}
void
TimeAxisView::name_entry_changed ()
{
}
bool
TimeAxisView::can_edit_name () const
{
return true;
}
void
TimeAxisView::conditionally_add_to_selection ()
{
Selection& s (_editor.get_selection ());
if (!s.selected (this)) {
_editor.set_selected_track (*this, Selection::Set);
}
}
void
TimeAxisView::popup_display_menu (guint32 when)
{
conditionally_add_to_selection ();
build_display_menu ();
display_menu->popup (1, when);
}
void
TimeAxisView::set_selected (bool yn)
{
if (yn == _selected) {
return;
}
Selectable::set_selected (yn);
if (_selected) {
controls_ebox.set_name (controls_base_selected_name);
time_axis_vbox.set_name (controls_base_selected_name);
controls_vbox.set_name (controls_base_selected_name);
} else {
controls_ebox.set_name (controls_base_unselected_name);
time_axis_vbox.set_name (controls_base_unselected_name);
controls_vbox.set_name (controls_base_unselected_name);
hide_selection ();
/* children will be set for the yn=true case. but when deselecting
the editor only has a list of top-level trackviews, so we
have to do this here.
*/
for (Children::iterator i = children.begin(); i != children.end(); ++i) {
(*i)->set_selected (false);
}
}
}
void
TimeAxisView::build_display_menu ()
{
using namespace Menu_Helpers;
delete display_menu;
display_menu = new Menu;
display_menu->set_name ("ArdourContextMenu");
// Just let implementing classes define what goes into the manu
}
void
TimeAxisView::set_samples_per_unit (double spu)
{
for (Children::iterator i = children.begin(); i != children.end(); ++i) {
(*i)->set_samples_per_unit (spu);
}
AnalysisFeatureList::const_iterator i;
list<ArdourCanvas::SimpleLine*>::iterator l;
}
void
TimeAxisView::show_timestretch (framepos_t start, framepos_t end, int layers, int layer)
{
for (Children::iterator i = children.begin(); i != children.end(); ++i) {
(*i)->show_timestretch (start, end, layers, layer);
}
}
void
TimeAxisView::hide_timestretch ()
{
for (Children::iterator i = children.begin(); i != children.end(); ++i) {
(*i)->hide_timestretch ();
}
}
void
TimeAxisView::show_selection (TimeSelection& ts)
{
double x1;
double x2;
double y2;
SelectionRect *rect;
for (Children::iterator i = children.begin(); i != children.end(); ++i) {
(*i)->show_selection (ts);
}
if (canvas_item_visible (selection_group)) {
while (!used_selection_rects.empty()) {
free_selection_rects.push_front (used_selection_rects.front());
used_selection_rects.pop_front();
free_selection_rects.front()->rect->hide();
free_selection_rects.front()->start_trim->hide();
free_selection_rects.front()->end_trim->hide();
}
selection_group->hide();
}
selection_group->show();
selection_group->raise_to_top();
for (list<AudioRange>::iterator i = ts.begin(); i != ts.end(); ++i) {
framepos_t start, end;
framecnt_t cnt;
start = (*i).start;
end = (*i).end;
cnt = end - start + 1;
rect = get_selection_rect ((*i).id);
x1 = _editor.frame_to_unit (start);
x2 = _editor.frame_to_unit (start + cnt - 1);
y2 = current_height();
rect->rect->property_x1() = x1;
rect->rect->property_y1() = 1.0;
rect->rect->property_x2() = x2;
rect->rect->property_y2() = y2;
// trim boxes are at the top for selections
if (x2 > x1) {
rect->start_trim->property_x1() = x1;
rect->start_trim->property_y1() = 1.0;
rect->start_trim->property_x2() = x1 + trim_handle_size;
rect->start_trim->property_y2() = y2;
rect->end_trim->property_x1() = x2 - trim_handle_size;
rect->end_trim->property_y1() = 1.0;
rect->end_trim->property_x2() = x2;
rect->end_trim->property_y2() = y2;
rect->start_trim->show();
rect->end_trim->show();
} else {
rect->start_trim->hide();
rect->end_trim->hide();
}
rect->rect->show ();
used_selection_rects.push_back (rect);
}
}
void
TimeAxisView::reshow_selection (TimeSelection& ts)
{
show_selection (ts);
for (Children::iterator i = children.begin(); i != children.end(); ++i) {
(*i)->show_selection (ts);
}
}
void
TimeAxisView::hide_selection ()
{
if (canvas_item_visible (selection_group)) {
while (!used_selection_rects.empty()) {
free_selection_rects.push_front (used_selection_rects.front());
used_selection_rects.pop_front();
free_selection_rects.front()->rect->hide();
free_selection_rects.front()->start_trim->hide();
free_selection_rects.front()->end_trim->hide();
}
selection_group->hide();
}
for (Children::iterator i = children.begin(); i != children.end(); ++i) {
(*i)->hide_selection ();
}
}
void
TimeAxisView::order_selection_trims (ArdourCanvas::Item *item, bool put_start_on_top)
{
/* find the selection rect this is for. we have the item corresponding to one
of the trim handles.
*/
for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
if ((*i)->start_trim == item || (*i)->end_trim == item) {
/* make one trim handle be "above" the other so that if they overlap,
the top one is the one last used.
*/
(*i)->rect->raise_to_top ();
(put_start_on_top ? (*i)->start_trim : (*i)->end_trim)->raise_to_top ();
(put_start_on_top ? (*i)->end_trim : (*i)->start_trim)->raise_to_top ();
break;
}
}
}
SelectionRect *
TimeAxisView::get_selection_rect (uint32_t id)
{
SelectionRect *rect;
/* check to see if we already have a visible rect for this particular selection ID */
for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
if ((*i)->id == id) {
return (*i);
}
}
/* ditto for the free rect list */
for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
if ((*i)->id == id) {
SelectionRect* ret = (*i);
free_selection_rects.erase (i);
return ret;
}
}
/* no existing matching rect, so go get a new one from the free list, or create one if there are none */
if (free_selection_rects.empty()) {
rect = new SelectionRect;
rect->rect = new SimpleRect (*selection_group);
rect->rect->property_outline_what() = 0x0;
rect->rect->property_x1() = 0.0;
rect->rect->property_y1() = 0.0;
rect->rect->property_x2() = 0.0;
rect->rect->property_y2() = 0.0;
rect->rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectionRect.get();
rect->start_trim = new SimpleRect (*selection_group);
rect->start_trim->property_outline_what() = 0x0;
rect->start_trim->property_x1() = 0.0;
rect->start_trim->property_x2() = 0.0;
rect->end_trim = new SimpleRect (*selection_group);
rect->end_trim->property_outline_what() = 0x0;
rect->end_trim->property_x1() = 0.0;
rect->end_trim->property_x2() = 0.0;
free_selection_rects.push_front (rect);
rect->rect->signal_event().connect (sigc::bind (sigc::mem_fun (_editor, &PublicEditor::canvas_selection_rect_event), rect->rect, rect));
rect->start_trim->signal_event().connect (sigc::bind (sigc::mem_fun (_editor, &PublicEditor::canvas_selection_start_trim_event), rect->rect, rect));
rect->end_trim->signal_event().connect (sigc::bind (sigc::mem_fun (_editor, &PublicEditor::canvas_selection_end_trim_event), rect->rect, rect));
}
rect = free_selection_rects.front();
rect->id = id;
free_selection_rects.pop_front();
return rect;
}
struct null_deleter { void operator()(void const *) const {} };
bool
TimeAxisView::is_child (TimeAxisView* tav)
{
return find (children.begin(), children.end(), boost::shared_ptr<TimeAxisView>(tav, null_deleter())) != children.end();
}
void
TimeAxisView::add_child (boost::shared_ptr<TimeAxisView> child)
{
children.push_back (child);
}
void
TimeAxisView::remove_child (boost::shared_ptr<TimeAxisView> child)
{
Children::iterator i;
if ((i = find (children.begin(), children.end(), child)) != children.end()) {
children.erase (i);
}
}
/** Get selectable things within a given range.
* @param start Start time in session frames.
* @param end End time in session frames.
* @param top Top y range, in trackview coordinates (ie 0 is the top of the track view)
* @param bot Bottom y range, in trackview coordinates (ie 0 is the top of the track view)
* @param result Filled in with selectable things.
*/
void
TimeAxisView::get_selectables (framepos_t /*start*/, framepos_t /*end*/, double /*top*/, double /*bot*/, list<Selectable*>& /*result*/)
{
return;
}
void
TimeAxisView::get_inverted_selectables (Selection& /*sel*/, list<Selectable*>& /*result*/)
{
return;
}
void
TimeAxisView::add_ghost (RegionView* rv)
{
GhostRegion* gr = rv->add_ghost (*this);
if (gr) {
ghosts.push_back(gr);
}
}
void
TimeAxisView::remove_ghost (RegionView* rv)
{
rv->remove_ghost_in (*this);
}
void
TimeAxisView::erase_ghost (GhostRegion* gr)
{
if (in_destructor) {
return;
}
for (list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
if ((*i) == gr) {
ghosts.erase (i);
break;
}
}
}
bool
TimeAxisView::touched (double top, double bot)
{
/* remember: this is X Window - coordinate space starts in upper left and moves down.
y_position is the "origin" or "top" of the track.
*/
double mybot = _y_position + current_height();
return ((_y_position <= bot && _y_position >= top) ||
((mybot <= bot) && (top < mybot)) ||
(mybot >= bot && _y_position < top));
}
void
TimeAxisView::set_parent (TimeAxisView& p)
{
parent = &p;
}
void
TimeAxisView::reset_height ()
{
set_height (height);
for (Children::iterator i = children.begin(); i != children.end(); ++i) {
(*i)->set_height ((*i)->height);
}
}
void
TimeAxisView::compute_heights ()
{
Gtk::Window window (Gtk::WINDOW_TOPLEVEL);
Gtk::Table two_row_table (2, 8);
Gtk::Table one_row_table (1, 8);
Button* buttons[5];
const int border_width = 2;
const int separator_height = 2;
extra_height = (2 * border_width) + separator_height;
window.add (one_row_table);
one_row_table.set_border_width (border_width);
one_row_table.set_row_spacings (0);
one_row_table.set_col_spacings (0);
one_row_table.set_homogeneous (true);
two_row_table.set_border_width (border_width);
two_row_table.set_row_spacings (0);
two_row_table.set_col_spacings (0);
two_row_table.set_homogeneous (true);
for (int i = 0; i < 5; ++i) {
buttons[i] = manage (new Button (X_("f")));
buttons[i]->set_name ("TrackMuteButton");
}
one_row_table.attach (*buttons[0], 6, 7, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
one_row_table.show_all ();
Gtk::Requisition req(one_row_table.size_request ());
// height required to show 1 row of buttons
button_height = req.height;
}
void
TimeAxisView::color_handler ()
{
for (list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); i++) {
(*i)->set_colors();
}
for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
(*i)->rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectionRect.get();
(*i)->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
(*i)->start_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
(*i)->start_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
(*i)->end_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
(*i)->end_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
}
for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
(*i)->rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectionRect.get();
(*i)->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
(*i)->start_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
(*i)->start_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
(*i)->end_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
(*i)->end_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
}
}
/** @return Pair: TimeAxisView, layer index.
* TimeAxisView is non-0 if this object covers y, or one of its children does.
* If the covering object is a child axis, then the child is returned.
* TimeAxisView is 0 otherwise.
* Layer index is the layer number (possibly fractional) if the TimeAxisView is valid
* and is in stacked or expanded * region display mode, otherwise 0.
*/
std::pair<TimeAxisView*, double>
TimeAxisView::covers_y_position (double y)
{
if (hidden()) {
return std::make_pair ((TimeAxisView *) 0, 0);
}
if (_y_position <= y && y < (_y_position + height)) {
/* work out the layer index if appropriate */
double l = 0;
switch (layer_display ()) {
case Overlaid:
break;
case Stacked:
if (view ()) {
/* compute layer */
l = layer_t ((_y_position + height - y) / (view()->child_height ()));
/* clamp to max layers to be on the safe side; sometimes the above calculation
returns a too-high value */
if (l >= view()->layers ()) {
l = view()->layers() - 1;
}
}
break;
case Expanded:
if (view ()) {
int const n = floor ((_y_position + height - y) / (view()->child_height ()));
l = n * 0.5 - 0.5;
if (l >= (view()->layers() - 0.5)) {
l = view()->layers() - 0.5;
}
}
break;
}
return std::make_pair (this, l);
}
for (Children::const_iterator i = children.begin(); i != children.end(); ++i) {
std::pair<TimeAxisView*, int> const r = (*i)->covers_y_position (y);
if (r.first) {
return r;
}
}
return std::make_pair ((TimeAxisView *) 0, 0);
}
uint32_t
TimeAxisView::preset_height (Height h)
{
switch (h) {
case HeightLargest:
return (button_height * 2) + extra_height + 260;
case HeightLarger:
return (button_height * 2) + extra_height + 160;
case HeightLarge:
return (button_height * 2) + extra_height + 60;
case HeightNormal:
return (button_height * 2) + extra_height + 10;
case HeightSmall:
return button_height + extra_height;
}
/* NOTREACHED */
return 0;
}
/** @return Child time axis views that are not hidden */
TimeAxisView::Children
TimeAxisView::get_child_list ()
{
Children c;
for (Children::iterator i = children.begin(); i != children.end(); ++i) {
if (!(*i)->hidden()) {
c.push_back(*i);
}
}
return c;
}
void
TimeAxisView::build_size_menu ()
{
if (_size_menu && _size_menu->gobj ()) {
return;
}
delete _size_menu;
using namespace Menu_Helpers;
_size_menu = new Menu;
_size_menu->set_name ("ArdourContextMenu");
MenuList& items = _size_menu->items();
items.push_back (MenuElem (_("Largest"), sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightLargest, true)));
items.push_back (MenuElem (_("Larger"), sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightLarger, true)));
items.push_back (MenuElem (_("Large"), sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightLarge, true)));
items.push_back (MenuElem (_("Normal"), sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightNormal, true)));
items.push_back (MenuElem (_("Small"), sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightSmall, true)));
}
void
TimeAxisView::reset_visual_state ()
{
/* this method is not required to trigger a global redraw */
string str = gui_property ("height");
if (!str.empty()) {
set_height (atoi (str));
} else {
set_height (preset_height (HeightNormal));
}
}
TrackViewList
TrackViewList::filter_to_unique_playlists ()
{
std::set<boost::shared_ptr<ARDOUR::Playlist> > playlists;
TrackViewList ts;
for (iterator i = begin(); i != end(); ++i) {
RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*> (*i);
if (!rtav) {
/* not a route: include it anyway */
ts.push_back (*i);
} else {
boost::shared_ptr<ARDOUR::Track> t = rtav->track();
if (t) {
if (playlists.insert (t->playlist()).second) {
/* playlist not seen yet */
ts.push_back (*i);
}
} else {
/* not a track: include it anyway */
ts.push_back (*i);
}
}
}
return ts;
}
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