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livetrax/gtk2_ardour/automation_time_axis.cc

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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 <ardour/route.h>
#include <pbd/memento_command.h>
#include "ardour_ui.h"
#include "automation_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 Editing;
Pango::FontDescription AutomationTimeAxisView::name_font;
bool AutomationTimeAxisView::have_name_font = false;
AutomationTimeAxisView::AutomationTimeAxisView (Session& s, boost::shared_ptr<Route> r, PublicEditor& e, TimeAxisView& rent,
ArdourCanvas::Canvas& canvas, const string & nom,
const string & state_name, const string & nomparent)
: AxisView (s),
TimeAxisView (s, e, &rent, canvas),
route (r),
_name (nom),
_state_name (state_name),
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;
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() = color_map[cAutomationTrackOutline];
/* outline ends and bottom */
base_rect->property_outline_what() = (guint32) (0x1|0x2|0x8);
base_rect->property_fill_color_rgba() = color_map[cAutomationTrackFill];
//base_rect->property_fill_color_rgba() = color_map[cEnteredControlPoint];
base_rect->set_data ("trackview", this);
base_rect->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_automation_track_event),
base_rect, this));
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);
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_child_xml_node (_state_name);
if (xml_node) {
set_state (*xml_node);
}
/* make sure labels etc. are correct */
automation_state_changed ();
ColorChanged.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::automation_state_changed ()
{
AutoState state;
/* update button label */
if (lines.empty()) {
state = Off;
} else {
state = lines.front()->the_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::height_clicked ()
{
popup_size_menu (0);
}
void
AutomationTimeAxisView::clear_clicked ()
{
_session.begin_reversible_command (_("clear automation"));
for (vector<AutomationLine*>::iterator i = lines.begin(); i != lines.end(); ++i) {
(*i)->clear ();
}
_session.commit_reversible_command ();
}
void
AutomationTimeAxisView::set_height (TrackHeight ht)
{
uint32_t h = height_to_pixels (ht);
bool changed = (height != (uint32_t) h);
bool changed_between_small_and_normal = ( (ht == Small || ht == Smaller) ^ (height_style == Small || height_style == Smaller) );
TimeAxisView* state_parent = get_parent_with_state ();
XMLNode* xml_node = state_parent->get_child_xml_node (_state_name);
TimeAxisView::set_height (ht);
base_rect->property_y2() = h;
for (vector<AutomationLine*>::iterator i = lines.begin(); i != lines.end(); ++i) {
(*i)->set_y_position_and_height (0, h);
}
for (list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
(*i)->set_height ();
}
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;
}
if (changed_between_small_and_normal || first_call_to_set_height) {
first_call_to_set_height = false;
switch (ht) {
case Largest:
case Large:
case Larger:
case Normal:
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:
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 (editor.get_current_zoom());
for (vector<AutomationLine*>::iterator i = lines.begin(); i != lines.end(); ++i) {
(*i)->reset ();
}
}
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());
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));
/* make sure the automation menu state is correct */
automation_state_changed ();
}
bool
AutomationTimeAxisView::cut_copy_clear (Selection& selection, CutCopyOp op)
{
bool ret = false;
for (vector<AutomationLine*>::iterator i = lines.begin(); i != lines.end(); ++i) {
ret = cut_copy_clear_one ((**i), selection, op);
}
return ret;
}
bool
AutomationTimeAxisView::cut_copy_clear_one (AutomationLine& line, Selection& selection, CutCopyOp op)
{
AutomationList* what_we_got = 0;
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, &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, &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)
{
for (vector<AutomationLine*>::iterator i = lines.begin(); i != lines.end(); ++i) {
reset_objects_one ((**i), selection);
}
}
void
AutomationTimeAxisView::reset_objects_one (AutomationLine& line, PointSelection& selection)
{
AutomationList& alist (line.the_list());
_session.add_command (new MementoCommand<AutomationList>(alist, &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)
{
bool ret = false;
for (vector<AutomationLine*>::iterator i = lines.begin(); i != lines.end(); ++i) {
ret = cut_copy_clear_objects_one ((**i), selection, op);
}
return ret;
}
bool
AutomationTimeAxisView::cut_copy_clear_objects_one (AutomationLine& line, PointSelection& selection, CutCopyOp op)
{
AutomationList* what_we_got = 0;
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, 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, 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)
{
bool ret = true;
for (vector<AutomationLine*>::iterator i = lines.begin(); i != lines.end(); ++i) {
ret = paste_one (**i, pos, times, selection, nth);
}
return ret;
}
bool
AutomationTimeAxisView::paste_one (AutomationLine& line, nframes_t pos, float times, Selection& selection, size_t nth)
{
AutomationSelection::iterator p;
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, &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 (!lines.empty() && 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);
}
for (vector<AutomationLine*>::iterator i = lines.begin(); i != lines.end(); ++i) {
(*i)->get_selectables (start, end, botfrac, topfrac, results);
}
}
}
void
AutomationTimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& result)
{
for (vector<AutomationLine*>::iterator i = lines.begin(); i != lines.end(); ++i) {
(*i)->get_inverted_selectables (sel, result);
}
}
void
AutomationTimeAxisView::set_selected_points (PointSelection& points)
{
for (vector<AutomationLine*>::iterator i = lines.begin(); i != lines.end(); ++i) {
(*i)->set_selected_points (points);
}
}
void
AutomationTimeAxisView::clear_lines ()
{
for (vector<AutomationLine*>::iterator i = lines.begin(); i != lines.end(); ++i) {
delete *i;
}
lines.clear ();
automation_connection.disconnect ();
}
void
AutomationTimeAxisView::add_line (AutomationLine& line)
{
bool get = false;
if (lines.empty()) {
/* first line is the Model for automation state */
automation_connection = line.the_list().automation_state_changed.connect
(mem_fun(*this, &AutomationTimeAxisView::automation_state_changed));
get = true;
}
lines.push_back (&line);
line.set_y_position_and_height (0, height);
if (get) {
/* pick up the current state */
automation_state_changed ();
}
}
void
AutomationTimeAxisView::show_all_control_points ()
{
for (vector<AutomationLine*>::iterator i = lines.begin(); i != lines.end(); ++i) {
(*i)->show_all_control_points ();
}
}
void
AutomationTimeAxisView::hide_all_but_selected_control_points ()
{
for (vector<AutomationLine*>::iterator i = lines.begin(); i != lines.end(); ++i) {
(*i)->hide_all_but_selected_control_points ();
}
}
void
AutomationTimeAxisView::entered()
{
show_all_control_points ();
}
void
AutomationTimeAxisView::exited ()
{
hide_all_but_selected_control_points ();
}
void
AutomationTimeAxisView::set_colors () {
for( list<GhostRegion *>::iterator i=ghosts.begin(); i != ghosts.end(); i++ ) {
(*i)->set_colors();
}
for( vector<AutomationLine *>::iterator i=lines.begin(); i != lines.end(); i++ ) {
(*i)->set_colors();
}
}
void
AutomationTimeAxisView::color_handler (ColorID id, uint32_t val) {
switch (id) {
case cGhostTrackWave:
case cGhostTrackWaveClip:
case cGhostTrackZeroLine:
case cControlPoint:
case cControlPointFill:
case cControlPointOutline:
case cAutomationLine:
set_colors ();
break;
default:
break;
}
}
void
AutomationTimeAxisView::set_state (const XMLNode& node)
{
TimeAxisView::set_state (node);
}
XMLNode*
AutomationTimeAxisView::get_state_node ()
{
TimeAxisView* state_parent = get_parent_with_state ();
if (state_parent) {
return state_parent->get_child_xml_node (_state_name);
} else {
return 0;
}
}