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livetrax/gtk2_ardour/automation_time_axis.cc
David Robillard 9266d287ab Fix automation region stacking. 
git-svn-id: svn://localhost/ardour2/trunk@2425 d708f5d6-7413-0410-9779-e7cbd77b26cf
2007-09-06 03:38:28 +00:00

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26 KiB
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/*
Copyright (C) 2000-2007 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 <utility>
#include <ardour/route.h>
#include <ardour/automation_control.h>
#include <pbd/memento_command.h>
#include <gtkmm2ext/barcontroller.h>
#include "ardour_ui.h"
#include "automation_time_axis.h"
#include "automation_streamview.h"
#include "route_time_axis.h"
#include "automation_line.h"
#include "public_editor.h"
#include "simplerect.h"
#include "selection.h"
#include "ghostregion.h"
#include "rgb_macros.h"
#include "automation_selectable.h"
#include "point_selection.h"
#include "canvas_impl.h"
#include "utils.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace Gtkmm2ext;
using namespace Editing;
Pango::FontDescription* AutomationTimeAxisView::name_font = 0;
bool AutomationTimeAxisView::have_name_font = false;
const string AutomationTimeAxisView::state_node_name = "AutomationChild";
AutomationTimeAxisView::AutomationTimeAxisView (Session& s, boost::shared_ptr<Route> r,
boost::shared_ptr<Automatable> a, boost::shared_ptr<AutomationControl> c,
PublicEditor& e, TimeAxisView& parent, bool show_regions,
ArdourCanvas::Canvas& canvas, const string & nom, const string & nomparent)
: AxisView (s),
TimeAxisView (s, e, &parent, canvas),
_route (r),
_control (c),
_automatable (a),
_controller(AutomationController::create(a, c->list(), c)),
_base_rect (0),
_view (show_regions ? new AutomationStreamView(*this) : NULL),
_name (nom),
height_button (_("h")),
clear_button (_("clear")),
auto_button (X_("")) /* force addition of a label */
{
if (!have_name_font) {
name_font = get_font_for_style (X_("AutomationTrackName"));
have_name_font = true;
}
automation_menu = 0;
in_destructor = false;
auto_off_item = 0;
auto_touch_item = 0;
auto_write_item = 0;
auto_play_item = 0;
mode_discrete_item = 0;
mode_line_item = 0;
ignore_state_request = false;
first_call_to_set_height = true;
_base_rect = new SimpleRect(*canvas_display);
_base_rect->property_x1() = 0.0;
_base_rect->property_y1() = 0.0;
_base_rect->property_x2() = editor.frame_to_pixel (max_frames);
_base_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_AutomationTrackOutline.get();
/* outline ends and bottom */
_base_rect->property_outline_what() = (guint32) (0x1|0x2|0x8);
_base_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AutomationTrackFill.get();
_base_rect->set_data ("trackview", this);
_base_rect->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_automation_track_event),
_base_rect, this));
_base_rect->lower_to_bottom();
hide_button.add (*(manage (new Gtk::Image (::get_icon("hide")))));
height_button.set_name ("TrackSizeButton");
auto_button.set_name ("TrackVisualButton");
clear_button.set_name ("TrackVisualButton");
hide_button.set_name ("TrackRemoveButton");
controls_table.set_no_show_all();
ARDOUR_UI::instance()->tooltips().set_tip(height_button, _("track height"));
ARDOUR_UI::instance()->tooltips().set_tip(auto_button, _("automation state"));
ARDOUR_UI::instance()->tooltips().set_tip(clear_button, _("clear track"));
ARDOUR_UI::instance()->tooltips().set_tip(hide_button, _("hide track"));
/* rearrange the name display */
/* we never show these for automation tracks, so make
life easier and remove them.
*/
hide_name_entry();
/* move the name label over a bit */
string shortpname = _name;
bool shortened = false;
int ignore_width;
shortpname = fit_to_pixels (_name, 60, *name_font, ignore_width, true);
if (shortpname != _name ){
shortened = true;
}
name_label.set_text (shortpname);
name_label.set_alignment (Gtk::ALIGN_CENTER, Gtk::ALIGN_CENTER);
if (nomparent.length()) {
/* limit the plug name string */
string pname = fit_to_pixels (nomparent, 60, *name_font, ignore_width, true);
if (pname != nomparent) {
shortened = true;
}
plugname = new Label (pname);
plugname->set_name (X_("TrackPlugName"));
plugname->show();
name_label.set_name (X_("TrackParameterName"));
controls_table.remove (name_hbox);
controls_table.attach (*plugname, 1, 5, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
plugname_packed = true;
controls_table.attach (name_hbox, 1, 5, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
} else {
plugname = 0;
plugname_packed = false;
}
if (shortened) {
string tipname = nomparent;
if (!tipname.empty()) {
tipname += ": ";
}
tipname += _name;
ARDOUR_UI::instance()->tooltips().set_tip(controls_ebox, tipname);
}
/* add the buttons */
controls_table.attach (hide_button, 0, 1, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
controls_table.attach (height_button, 0, 1, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
controls_table.attach (auto_button, 5, 8, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
controls_table.attach (clear_button, 5, 8, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
/* add bar controller */
controls_table.attach (*_controller.get(), 0, 8, 2, 3, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
controls_table.show_all ();
height_button.signal_clicked().connect (mem_fun(*this, &AutomationTimeAxisView::height_clicked));
clear_button.signal_clicked().connect (mem_fun(*this, &AutomationTimeAxisView::clear_clicked));
hide_button.signal_clicked().connect (mem_fun(*this, &AutomationTimeAxisView::hide_clicked));
auto_button.signal_clicked().connect (mem_fun(*this, &AutomationTimeAxisView::auto_clicked));
controls_base_selected_name = X_("AutomationTrackControlsBaseSelected");
controls_base_unselected_name = X_("AutomationTrackControlsBase");
controls_ebox.set_name (controls_base_unselected_name);
controls_frame.set_shadow_type (Gtk::SHADOW_ETCHED_OUT);
XMLNode* xml_node = get_parent_with_state()->get_automation_child_xml_node (
_control->parameter());
if (xml_node) {
set_state (*xml_node);
}
/* ask for notifications of any new RegionViews */
if (show_regions) {
assert(_view);
_view->attach ();
/* no regions, just a single line for the entire track (e.g. bus gain) */
} else {
boost::shared_ptr<AutomationLine> line(new AutomationLine (
_control->parameter().to_string(),
*this,
*canvas_display,
_control->list()));
line->set_line_color (ARDOUR_UI::config()->canvasvar_ProcessorAutomationLine.get());
line->queue_reset ();
add_line (line);
}
/* make sure labels etc. are correct */
automation_state_changed ();
ColorsChanged.connect (mem_fun (*this, &AutomationTimeAxisView::color_handler));
}
AutomationTimeAxisView::~AutomationTimeAxisView ()
{
in_destructor = true;
for (list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
delete *i;
}
}
void
AutomationTimeAxisView::auto_clicked ()
{
using namespace Menu_Helpers;
if (automation_menu == 0) {
automation_menu = manage (new Menu);
automation_menu->set_name ("ArdourContextMenu");
MenuList& items (automation_menu->items());
items.push_back (MenuElem (_("Manual"),
bind (mem_fun(*this, &AutomationTimeAxisView::set_automation_state), (AutoState) Off)));
items.push_back (MenuElem (_("Play"),
bind (mem_fun(*this, &AutomationTimeAxisView::set_automation_state), (AutoState) Play)));
items.push_back (MenuElem (_("Write"),
bind (mem_fun(*this, &AutomationTimeAxisView::set_automation_state), (AutoState) Write)));
items.push_back (MenuElem (_("Touch"),
bind (mem_fun(*this, &AutomationTimeAxisView::set_automation_state), (AutoState) Touch)));
}
automation_menu->popup (1, gtk_get_current_event_time());
}
void
AutomationTimeAxisView::set_automation_state (AutoState state)
{
if (!ignore_state_request) {
if (_route == _automatable) { // FIXME: ew
_route->set_parameter_automation_state (
_control->parameter(),
state);
}
_control->list()->set_automation_state(state);
}
}
void
AutomationTimeAxisView::automation_state_changed ()
{
AutoState state;
/* update button label */
if (!_line) {
state = Off;
} else {
state = _control->list()->automation_state ();
}
switch (state & (Off|Play|Touch|Write)) {
case Off:
auto_button.set_label (_("Manual"));
if (auto_off_item) {
ignore_state_request = true;
auto_off_item->set_active (true);
auto_play_item->set_active (false);
auto_touch_item->set_active (false);
auto_write_item->set_active (false);
ignore_state_request = false;
}
break;
case Play:
auto_button.set_label (_("Play"));
if (auto_play_item) {
ignore_state_request = true;
auto_play_item->set_active (true);
auto_off_item->set_active (false);
auto_touch_item->set_active (false);
auto_write_item->set_active (false);
ignore_state_request = false;
}
break;
case Write:
auto_button.set_label (_("Write"));
if (auto_write_item) {
ignore_state_request = true;
auto_write_item->set_active (true);
auto_off_item->set_active (false);
auto_play_item->set_active (false);
auto_touch_item->set_active (false);
ignore_state_request = false;
}
break;
case Touch:
auto_button.set_label (_("Touch"));
if (auto_touch_item) {
ignore_state_request = true;
auto_touch_item->set_active (true);
auto_off_item->set_active (false);
auto_play_item->set_active (false);
auto_write_item->set_active (false);
ignore_state_request = false;
}
break;
default:
auto_button.set_label (_("???"));
break;
}
}
void
AutomationTimeAxisView::interpolation_changed ()
{
AutomationList::InterpolationStyle style = _control->list()->interpolation();
if (mode_line_item && mode_discrete_item) {
if (style == AutomationList::Discrete) {
mode_discrete_item->set_active(true);
mode_line_item->set_active(false);
} else {
mode_line_item->set_active(true);
mode_discrete_item->set_active(false);
}
}
if (_line)
_line->set_interpolation(style);
}
void
AutomationTimeAxisView::set_interpolation (AutomationList::InterpolationStyle style)
{
_control->list()->set_interpolation(style);
if (_line)
_line->set_interpolation(style);
}
void
AutomationTimeAxisView::height_clicked ()
{
popup_size_menu (0);
}
void
AutomationTimeAxisView::clear_clicked ()
{
_session.begin_reversible_command (_("clear automation"));
if (_line)
_line->clear ();
_session.commit_reversible_command ();
}
void
AutomationTimeAxisView::set_height (TrackHeight ht)
{
uint32_t h = height_to_pixels (ht);
bool changed = (height != (uint32_t) h) || first_call_to_set_height;
if (first_call_to_set_height)
first_call_to_set_height = false;
TimeAxisView::set_height (ht);
_base_rect->property_y2() = h;
if (_line)
_line->set_y_position_and_height (0, h);
if (_view) {
_view->set_height(h);
_view->update_contents_y_position_and_height();
}
for (list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
(*i)->set_height ();
}
TimeAxisView* state_parent = get_parent_with_state ();
assert(state_parent);
XMLNode* xml_node = state_parent->get_automation_child_xml_node(_control->parameter());
assert(xml_node);
switch (ht) {
case Largest:
xml_node->add_property ("track_height", "largest");
break;
case Large:
xml_node->add_property ("track_height", "large");
break;
case Larger:
xml_node->add_property ("track_height", "larger");
break;
case Normal:
xml_node->add_property ("track_height", "normal");
break;
case Smaller:
xml_node->add_property ("track_height", "smaller");
break;
case Small:
xml_node->add_property ("track_height", "small");
break;
}
switch (ht) {
case Large:
case Larger:
case Largest:
_controller->show ();
case Normal:
if (ht == Normal)
_controller->hide();
controls_table.remove (name_hbox);
if (plugname) {
if (plugname_packed) {
controls_table.remove (*plugname);
plugname_packed = false;
}
controls_table.attach (*plugname, 1, 5, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
plugname_packed = true;
controls_table.attach (name_hbox, 1, 5, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
} else {
controls_table.attach (name_hbox, 1, 5, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
}
hide_name_entry ();
show_name_label ();
name_hbox.show_all ();
auto_button.show();
height_button.show();
clear_button.show();
hide_button.show_all();
break;
case Smaller:
_controller->hide();
case Small:
controls_table.remove (name_hbox);
if (plugname) {
if (plugname_packed) {
controls_table.remove (*plugname);
plugname_packed = false;
}
}
controls_table.attach (name_hbox, 1, 5, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
controls_table.hide_all ();
hide_name_entry ();
show_name_label ();
name_hbox.show_all ();
auto_button.hide();
height_button.hide();
clear_button.hide();
hide_button.hide();
break;
}
if (changed) {
/* only emit the signal if the height really changed */
_route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
}
}
void
AutomationTimeAxisView::set_samples_per_unit (double spu)
{
TimeAxisView::set_samples_per_unit (spu);
if (_line)
_line->reset ();
if (_view)
_view->set_samples_per_unit (spu);
}
void
AutomationTimeAxisView::hide_clicked ()
{
// LAME fix for refreshing the hide button
hide_button.set_sensitive(false);
set_marked_for_display (false);
hide ();
hide_button.set_sensitive(true);
}
void
AutomationTimeAxisView::build_display_menu ()
{
using namespace Menu_Helpers;
/* get the size menu ready */
build_size_menu ();
/* prepare it */
TimeAxisView::build_display_menu ();
/* now fill it with our stuff */
MenuList& items = display_menu->items();
items.push_back (MenuElem (_("Height"), *size_menu));
items.push_back (SeparatorElem());
items.push_back (MenuElem (_("Hide"), mem_fun(*this, &AutomationTimeAxisView::hide_clicked)));
items.push_back (SeparatorElem());
items.push_back (MenuElem (_("Clear"), mem_fun(*this, &AutomationTimeAxisView::clear_clicked)));
items.push_back (SeparatorElem());
/* state menu */
Menu* auto_state_menu = manage (new Menu);
auto_state_menu->set_name ("ArdourContextMenu");
MenuList& as_items = auto_state_menu->items();
as_items.push_back (CheckMenuElem (_("Manual"),
bind (mem_fun(*this, &AutomationTimeAxisView::set_automation_state), (AutoState) Off)));
auto_off_item = dynamic_cast<CheckMenuItem*>(&as_items.back());
as_items.push_back (CheckMenuElem (_("Play"),
bind (mem_fun(*this, &AutomationTimeAxisView::set_automation_state), (AutoState) Play)));
auto_play_item = dynamic_cast<CheckMenuItem*>(&as_items.back());
as_items.push_back (CheckMenuElem (_("Write"),
bind (mem_fun(*this, &AutomationTimeAxisView::set_automation_state), (AutoState) Write)));
auto_write_item = dynamic_cast<CheckMenuItem*>(&as_items.back());
as_items.push_back (CheckMenuElem (_("Touch"),
bind (mem_fun(*this, &AutomationTimeAxisView::set_automation_state), (AutoState) Touch)));
auto_touch_item = dynamic_cast<CheckMenuItem*>(&as_items.back());
items.push_back (MenuElem (_("State"), *auto_state_menu));
/* mode menu */
if (_control->parameter().type() == MidiCCAutomation) {
Menu* auto_mode_menu = manage (new Menu);
auto_mode_menu->set_name ("ArdourContextMenu");
MenuList& am_items = auto_mode_menu->items();
RadioMenuItem::Group group;
am_items.push_back (RadioMenuElem (group, _("Discrete"), bind (
mem_fun(*this, &AutomationTimeAxisView::set_interpolation),
AutomationList::Discrete)));
mode_discrete_item = dynamic_cast<CheckMenuItem*>(&am_items.back());
//mode_discrete_item->set_active(_control->list()->interpolation() == AutomationList::Discrete);
am_items.push_back (RadioMenuElem (group, _("Line"), bind (
mem_fun(*this, &AutomationTimeAxisView::set_interpolation),
AutomationList::Linear)));
mode_line_item = dynamic_cast<CheckMenuItem*>(&am_items.back());
//mode_line_item->set_active(_control->list()->interpolation() == AutomationList::Linear);
items.push_back (MenuElem (_("Mode"), *auto_mode_menu));
}
/* make sure the automation menu state is correct */
automation_state_changed ();
interpolation_changed ();
}
void
AutomationTimeAxisView::add_automation_event (ArdourCanvas::Item* item, GdkEvent* event, nframes_t when, double y)
{
if (!_line)
return;
double x = 0;
canvas_display->w2i (x, y);
/* compute vertical fractional position */
y = 1.0 - (y / height);
/* map using line */
_line->view_to_model_y (y);
_session.begin_reversible_command (_("add automation event"));
XMLNode& before = _control->list()->get_state();
_control->list()->add (when, y);
XMLNode& after = _control->list()->get_state();
_session.commit_reversible_command (new MementoCommand<ARDOUR::AutomationList>(*_control->list().get(), &before, &after));
_session.set_dirty ();
}
bool
AutomationTimeAxisView::cut_copy_clear (Selection& selection, CutCopyOp op)
{
return cut_copy_clear_one (*_line, selection, op);
}
bool
AutomationTimeAxisView::cut_copy_clear_one (AutomationLine& line, Selection& selection, CutCopyOp op)
{
AutomationList* what_we_got = 0;
boost::shared_ptr<AutomationList> alist (line.the_list());
bool ret = false;
XMLNode &before = alist->get_state();
switch (op) {
case Cut:
if ((what_we_got = alist->cut (selection.time.front().start, selection.time.front().end)) != 0) {
editor.get_cut_buffer().add (what_we_got);
_session.add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &alist->get_state()));
ret = true;
}
break;
case Copy:
if ((what_we_got = alist->copy (selection.time.front().start, selection.time.front().end)) != 0) {
editor.get_cut_buffer().add (what_we_got);
}
break;
case Clear:
if ((what_we_got = alist->cut (selection.time.front().start, selection.time.front().end)) != 0) {
_session.add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &alist->get_state()));
delete what_we_got;
what_we_got = 0;
ret = true;
}
break;
}
if (what_we_got) {
for (AutomationList::iterator x = what_we_got->begin(); x != what_we_got->end(); ++x) {
double foo = (*x)->value;
line.model_to_view_y (foo);
(*x)->value = foo;
}
}
return ret;
}
void
AutomationTimeAxisView::reset_objects (PointSelection& selection)
{
reset_objects_one (*_line, selection);
}
void
AutomationTimeAxisView::reset_objects_one (AutomationLine& line, PointSelection& selection)
{
boost::shared_ptr<AutomationList> alist(line.the_list());
_session.add_command (new MementoCommand<AutomationList>(*alist.get(), &alist->get_state(), 0));
for (PointSelection::iterator i = selection.begin(); i != selection.end(); ++i) {
if (&(*i).track != this) {
continue;
}
alist->reset_range ((*i).start, (*i).end);
}
}
bool
AutomationTimeAxisView::cut_copy_clear_objects (PointSelection& selection, CutCopyOp op)
{
return cut_copy_clear_objects_one (*_line, selection, op);
}
bool
AutomationTimeAxisView::cut_copy_clear_objects_one (AutomationLine& line, PointSelection& selection, CutCopyOp op)
{
AutomationList* what_we_got = 0;
boost::shared_ptr<AutomationList> alist(line.the_list());
bool ret = false;
XMLNode &before = alist->get_state();
for (PointSelection::iterator i = selection.begin(); i != selection.end(); ++i) {
if (&(*i).track != this) {
continue;
}
switch (op) {
case Cut:
if ((what_we_got = alist->cut ((*i).start, (*i).end)) != 0) {
editor.get_cut_buffer().add (what_we_got);
_session.add_command (new MementoCommand<AutomationList>(*alist.get(), new XMLNode (before), &alist->get_state()));
ret = true;
}
break;
case Copy:
if ((what_we_got = alist->copy ((*i).start, (*i).end)) != 0) {
editor.get_cut_buffer().add (what_we_got);
}
break;
case Clear:
if ((what_we_got = alist->cut ((*i).start, (*i).end)) != 0) {
_session.add_command (new MementoCommand<AutomationList>(*alist.get(), new XMLNode (before), &alist->get_state()));
delete what_we_got;
what_we_got = 0;
ret = true;
}
break;
}
}
delete &before;
if (what_we_got) {
for (AutomationList::iterator x = what_we_got->begin(); x != what_we_got->end(); ++x) {
double foo = (*x)->value;
line.model_to_view_y (foo);
(*x)->value = foo;
}
}
return ret;
}
bool
AutomationTimeAxisView::paste (nframes_t pos, float times, Selection& selection, size_t nth)
{
return paste_one (*_line, pos, times, selection, nth);
}
bool
AutomationTimeAxisView::paste_one (AutomationLine& line, nframes_t pos, float times, Selection& selection, size_t nth)
{
AutomationSelection::iterator p;
boost::shared_ptr<AutomationList> alist(line.the_list());
for (p = selection.lines.begin(); p != selection.lines.end() && nth; ++p, --nth);
if (p == selection.lines.end()) {
return false;
}
/* Make a copy of the list because we have to scale the
values from view coordinates to model coordinates, and we're
not supposed to modify the points in the selection.
*/
AutomationList copy (**p);
for (AutomationList::iterator x = copy.begin(); x != copy.end(); ++x) {
double foo = (*x)->value;
line.view_to_model_y (foo);
(*x)->value = foo;
}
XMLNode &before = alist->get_state();
alist->paste (copy, pos, times);
_session.add_command (new MementoCommand<AutomationList>(*alist.get(), &before, &alist->get_state()));
return true;
}
void
AutomationTimeAxisView::add_ghost (GhostRegion* gr)
{
ghosts.push_back (gr);
gr->GoingAway.connect (mem_fun(*this, &AutomationTimeAxisView::remove_ghost));
}
void
AutomationTimeAxisView::remove_ghost (GhostRegion* gr)
{
if (in_destructor) {
return;
}
list<GhostRegion*>::iterator i;
for (i = ghosts.begin(); i != ghosts.end(); ++i) {
if ((*i) == gr) {
ghosts.erase (i);
break;
}
}
}
void
AutomationTimeAxisView::get_selectables (nframes_t start, nframes_t end, double top, double bot, list<Selectable*>& results)
{
if (_line && touched (top, bot)) {
double topfrac;
double botfrac;
/* 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 + height;
if (y_position >= top && mybot <= bot) {
/* y_position is below top, mybot is above bot, so we're fully
covered vertically.
*/
topfrac = 1.0;
botfrac = 0.0;
} else {
/* top and bot are within y_position .. mybot */
topfrac = 1.0 - ((top - y_position) / height);
botfrac = 1.0 - ((bot - y_position) / height);
}
if (_line)
_line->get_selectables (start, end, botfrac, topfrac, results);
}
}
void
AutomationTimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& result)
{
if (_line)
_line->get_inverted_selectables (sel, result);
}
void
AutomationTimeAxisView::set_selected_points (PointSelection& points)
{
if (_line)
_line->set_selected_points (points);
}
void
AutomationTimeAxisView::clear_lines ()
{
_line.reset();
automation_connection.disconnect ();
}
void
AutomationTimeAxisView::add_line (boost::shared_ptr<AutomationLine> line)
{
assert(line);
assert(!_line);
assert(line->the_list() == _control->list());
automation_connection = _control->list()->automation_state_changed.connect
(mem_fun(*this, &AutomationTimeAxisView::automation_state_changed));
_line = line;
//_controller = AutomationController::create(_session, line->the_list(), _control);
line->set_y_position_and_height (0, height);
/* pick up the current state */
automation_state_changed ();
line->show();
}
void
AutomationTimeAxisView::entered()
{
if (_line)
_line->track_entered();
}
void
AutomationTimeAxisView::exited ()
{
if (_line)
_line->track_exited();
}
void
AutomationTimeAxisView::set_colors ()
{
for (list<GhostRegion*>::iterator i=ghosts.begin(); i != ghosts.end(); i++ ) {
(*i)->set_colors();
}
if (_line)
_line->set_colors();
}
void
AutomationTimeAxisView::color_handler ()
{
set_colors ();
}
void
AutomationTimeAxisView::set_state (const XMLNode& node)
{
TimeAxisView::set_state (node);
XMLNodeList kids;
XMLNodeConstIterator iter;
kids = node.children ();
for (iter = kids.begin(); iter != kids.end(); ++iter) {
if ((*iter)->name() == state_node_name) {
XMLProperty* type = (*iter)->property("automation-id");
if (type && type->value() == _control->parameter().to_string()) {
XMLProperty *shown = (*iter)->property("shown_editor");
if (shown && shown->value() == "yes") {
set_marked_for_display(true);
canvas_display->show(); /* FIXME: necessary? show_at? */
}
break;
}
}
}
if (!_marked_for_display)
hide();
}
XMLNode*
AutomationTimeAxisView::get_state_node ()
{
TimeAxisView* state_parent = get_parent_with_state ();
if (state_parent) {
return state_parent->get_automation_child_xml_node (_control->parameter());
} else {
return 0;
}
}
void
AutomationTimeAxisView::update_extra_xml_shown (bool editor_shown)
{
XMLNode* xml_node = get_state_node();
xml_node->add_property ("shown", editor_shown ? "yes" : "no");
}
guint32
AutomationTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
{
update_extra_xml_shown (true);
return TimeAxisView::show_at (y, nth, parent);
}
void
AutomationTimeAxisView::hide ()
{
update_extra_xml_shown (false);
TimeAxisView::hide ();
}
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