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livetrax/gtk2_ardour/time_axis_view.cc
Carl Hetherington 4e1f451520 Remove unnecessary 0 checks before delete; see http://www.parashift.com/c++-faq-lite/freestore-mgmt.html#faq-16.8 Apologies for the big commit. 
git-svn-id: svn://localhost/ardour2/branches/3.0@4332 d708f5d6-7413-0410-9779-e7cbd77b26cf
2008-12-18 19:31:00 +00:00

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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 <gtkmm2ext/utils.h>
#include <gtkmm2ext/selector.h>
#include <gtkmm2ext/stop_signal.h>
#include <ardour/session.h>
#include <ardour/utils.h>
#include <ardour/ladspa_plugin.h>
#include <ardour/processor.h>
#include <ardour/location.h>
#include "ardour_ui.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 "i18n.h"
using namespace Gtk;
using namespace Gdk;
using namespace sigc;
using namespace ARDOUR;
using namespace PBD;
using namespace Editing;
using namespace ArdourCanvas;
const double trim_handle_size = 6.0; /* pixels */
uint32_t TimeAxisView::hLargest = 0;
uint32_t TimeAxisView::hLarge = 0;
uint32_t TimeAxisView::hLarger = 0;
uint32_t TimeAxisView::hNormal = 0;
uint32_t TimeAxisView::hSmaller = 0;
uint32_t TimeAxisView::hSmall = 0;
bool TimeAxisView::need_size_info = true;
TimeAxisView::TimeAxisView (ARDOUR::Session& sess, PublicEditor& ed, TimeAxisView* rent, Canvas& canvas)
: AxisView (sess),
editor (ed),
y_position(0),
order(0),
controls_table (2, 8)
{
if (need_size_info) {
compute_controls_size_info ();
need_size_info = false;
}
canvas_background = new Group (*ed.get_background_group (), 0.0, 0.0);
canvas_display = new Group (*ed.get_trackview_group (), 0.0, 0.0);
selection_group = new Group (*canvas_display);
selection_group->hide();
ghost_group = new Group (*canvas_display);
ghost_group->lower_to_bottom();
ghost_group->show();
control_parent = 0;
display_menu = 0;
size_menu = 0;
_hidden = false;
in_destructor = false;
height = 0;
effective_height = 0;
parent = rent;
_has_state = false;
last_name_entry_key_press_event = 0;
name_packing = NamePackingBits (0);
resize_drag_start = -1;
/*
Create the standard LHS Controls
We create the top-level container and name add the name label here,
subclasses can add to the layout as required
*/
name_entry.set_name ("EditorTrackNameDisplay");
name_entry.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::name_entry_button_release));
name_entry.signal_button_press_event().connect (mem_fun (*this, &TimeAxisView::name_entry_button_press));
name_entry.signal_key_release_event().connect (mem_fun (*this, &TimeAxisView::name_entry_key_release));
name_entry.signal_activate().connect (mem_fun(*this, &TimeAxisView::name_entry_activated));
name_entry.signal_focus_in_event().connect (mem_fun (*this, &TimeAxisView::name_entry_focus_in));
name_entry.signal_focus_out_event().connect (mem_fun (*this, &TimeAxisView::name_entry_focus_out));
Gtkmm2ext::set_size_request_to_display_given_text (name_entry, N_("gTortnam"), 10, 10); // just represents a short name
name_label.set_name ("TrackLabel");
name_label.set_alignment (0.0, 0.5);
/* typically, either name_label OR name_entry are visible,
but not both. its up to derived classes to show/hide them as they
wish.
*/
name_hbox.show ();
controls_table.set_border_width (2);
controls_table.set_row_spacings (0);
controls_table.set_col_spacings (0);
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 ();
resizer.set_size_request (10, 10);
resizer.set_name ("ResizeHandle");
resizer.signal_expose_event().connect (mem_fun (*this, &TimeAxisView::resizer_expose));
resizer.signal_button_press_event().connect (mem_fun (*this, &TimeAxisView::resizer_button_press));
resizer.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::resizer_button_release));
resizer.signal_motion_notify_event().connect (mem_fun (*this, &TimeAxisView::resizer_motion));
resizer.set_events (Gdk::BUTTON_PRESS_MASK|
Gdk::BUTTON_RELEASE_MASK|
Gdk::POINTER_MOTION_MASK|
Gdk::SCROLL_MASK);
resizer_box.pack_start (resizer, false, false);
resizer.show ();
resizer_box.show();
HSeparator* separator = manage (new HSeparator());
controls_vbox.pack_start (controls_table, false, false);
controls_vbox.pack_end (*separator, false, false);
controls_vbox.pack_end (resizer_box, false, true);
controls_vbox.show ();
//controls_ebox.set_name ("TimeAxisViewControlsBaseUnselected");
controls_ebox.add (controls_vbox);
controls_ebox.add_events (BUTTON_PRESS_MASK|BUTTON_RELEASE_MASK|SCROLL_MASK);
controls_ebox.set_flags (CAN_FOCUS);
controls_ebox.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::controls_ebox_button_release));
controls_ebox.signal_scroll_event().connect (mem_fun (*this, &TimeAxisView::controls_ebox_scroll), true);
controls_hbox.pack_start (controls_ebox,true,true);
controls_hbox.show ();
// controls_frame.add (controls_hbox);
// controls_frame.set_name ("TimeAxisViewControlsBaseUnselected");
// controls_vbox.set_name ("TimeAxisViewControlsBaseUnselected");
// controls_frame.set_shadow_type (Gtk::SHADOW_ETCHED_OUT);
ColorsChanged.connect (mem_fun (*this, &TimeAxisView::color_handler));
}
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;
}
for (list<SimpleLine*>::iterator i = feature_lines.begin(); i != feature_lines.end(); ++i) {
delete (*i);
}
delete selection_group;
selection_group = 0;
delete canvas_background;
canvas_background = 0;
delete canvas_display;
canvas_display = 0;
delete display_menu;
display_menu = 0;
}
guint32
TimeAxisView::show_at (double y, int& nth, VBox *parent)
{
if (control_parent) {
control_parent->reorder_child (controls_hbox, nth);
} else {
control_parent = parent;
parent->pack_start (controls_hbox, false, false);
parent->reorder_child (controls_hbox, 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 ();
if (_marked_for_display) {
controls_hbox.show ();
controls_ebox.show ();
canvas_background->show ();
}
_hidden = false;
effective_height = current_height();
/* now show children */
for (Children::iterator i = children.begin(); i != children.end(); ++i) {
if (canvas_item_visible ((*i)->canvas_display)) {
++nth;
effective_height += (*i)->show_at (y + effective_height, nth, parent);
}
}
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::TertiaryModifier)) {
step_height (true);
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::TertiaryModifier)) {
step_height (false);
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_release (GdkEventButton* ev)
{
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 = Keyboard::selection_type (ev->state);
editor.set_selected_track (*this, op, false);
}
void
TimeAxisView::hide ()
{
if (_hidden) {
return;
}
canvas_display->hide();
canvas_background->hide();
controls_frame.hide ();
if (control_parent) {
control_parent->remove (controls_hbox);
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);
Hiding ();
}
void
TimeAxisView::step_height (bool bigger)
{
static const uint32_t step = 20;
if (bigger) {
set_height (height + step);
} else {
if (height > step) {
set_height (std::max (height - step, hSmall));
} else if (height != hSmall) {
set_height (hSmall);
}
}
}
void
TimeAxisView::set_heights (uint32_t h)
{
TrackSelection& ts (editor.get_selection().tracks);
for (TrackSelection::iterator i = ts.begin(); i != ts.end(); ++i) {
(*i)->set_height (h);
}
}
void
TimeAxisView::set_height(uint32_t h)
{
controls_ebox.property_height_request () = h;
height = h;
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);
}
reshow_feature_lines ();
}
bool
TimeAxisView::name_entry_key_release (GdkEventKey* ev)
{
PublicEditor::TrackViewList *allviews = 0;
PublicEditor::TrackViewList::iterator i;
switch (ev->keyval) {
case GDK_Escape:
name_entry.select_region (0,0);
controls_ebox.grab_focus ();
name_entry_changed ();
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:
case GDK_Tab:
name_entry_changed ();
allviews = editor.get_valid_views (0);
if (allviews != 0) {
i = find (allviews->begin(), allviews->end(), this);
if (ev->keyval == GDK_Tab) {
if (i != allviews->end()) {
do {
if (++i == allviews->end()) { return true; }
} while((*i)->hidden());
}
} else {
if (i != allviews->begin()) {
do {
if (--i == allviews->begin()) { return true; }
} while ((*i)->hidden());
}
}
/* resize to show editable name display */
if ((*i)->current_height() >= hSmall && (*i)->current_height() < hNormal) {
(*i)->set_height (hSmaller);
}
(*i)->name_entry.grab_focus();
}
return true;
case GDK_Up:
case GDK_Down:
name_entry_changed ();
return true;
default:
break;
}
#ifdef TIMEOUT_NAME_EDIT
/* adapt the timeout to reflect the user's typing speed */
guint32 name_entry_timeout;
if (last_name_entry_key_press_event) {
/* timeout is 1/2 second or 5 times their current inter-char typing speed */
name_entry_timeout = std::max (500U, (5 * (ev->time - last_name_entry_key_press_event)));
} else {
/* start with a 1 second timeout */
name_entry_timeout = 1000;
}
last_name_entry_key_press_event = ev->time;
/* wait 1 seconds and if no more keys are pressed, act as if they pressed enter */
name_entry_key_timeout.disconnect();
name_entry_key_timeout = Glib::signal_timeout().connect (mem_fun (*this, &TimeAxisView::name_entry_key_timed_out), name_entry_timeout);
#endif
return false;
}
bool
TimeAxisView::name_entry_focus_in (GdkEventFocus* ev)
{
name_entry.select_region (0, -1);
name_entry.set_name ("EditorActiveTrackNameDisplay");
return false;
}
bool
TimeAxisView::name_entry_focus_out (GdkEventFocus* ev)
{
/* clean up */
last_name_entry_key_press_event = 0;
name_entry_key_timeout.disconnect ();
name_entry.set_name ("EditorTrackNameDisplay");
name_entry.select_region (0,0);
/* do the real stuff */
name_entry_changed ();
return false;
}
bool
TimeAxisView::name_entry_key_timed_out ()
{
name_entry_activated();
return false;
}
void
TimeAxisView::name_entry_activated ()
{
controls_ebox.grab_focus();
}
void
TimeAxisView::name_entry_changed ()
{
}
bool
TimeAxisView::name_entry_button_press (GdkEventButton *ev)
{
if (ev->button == 3) {
return true;
}
return false;
}
bool
TimeAxisView::name_entry_button_release (GdkEventButton *ev)
{
if (ev->button == 3) {
popup_display_menu (ev->time);
return true;
}
return false;
}
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)
{
if (display_menu == 0) {
build_display_menu ();
}
conditionally_add_to_selection ();
display_menu->popup (1, when);
}
gint
TimeAxisView::size_click (GdkEventButton *ev)
{
conditionally_add_to_selection ();
popup_size_menu (ev->time);
return TRUE;
}
void
TimeAxisView::popup_size_menu (guint32 when)
{
if (size_menu == 0) {
build_size_menu ();
}
size_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);
controls_hbox.set_name (controls_base_selected_name);
controls_vbox.set_name (controls_base_selected_name);
/* propagate any existing selection, if the mode is right */
if (editor.current_mouse_mode() == Editing::MouseRange && !editor.get_selection().time.empty()) {
show_selection (editor.get_selection().time);
}
} else {
controls_ebox.set_name (controls_base_unselected_name);
controls_hbox.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);
}
}
resizer.queue_draw ();
}
void
TimeAxisView::build_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"), bind (mem_fun (*this, &TimeAxisView::set_heights), hLargest)));
items.push_back (MenuElem (_("Large"), bind (mem_fun (*this, &TimeAxisView::set_heights), hLarge)));
items.push_back (MenuElem (_("Larger"), bind (mem_fun (*this, &TimeAxisView::set_heights), hLarger)));
items.push_back (MenuElem (_("Normal"), bind (mem_fun (*this, &TimeAxisView::set_heights), hNormal)));
items.push_back (MenuElem (_("Smaller"), bind (mem_fun (*this, &TimeAxisView::set_heights),hSmaller)));
items.push_back (MenuElem (_("Small"), bind (mem_fun (*this, &TimeAxisView::set_heights), hSmall)));
}
void
TimeAxisView::build_display_menu ()
{
using namespace Menu_Helpers;
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;
for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
(*l)->property_x1() = editor.frame_to_pixel (*i);
(*l)->property_x2() = editor.frame_to_pixel (*i);
}
}
void
TimeAxisView::show_timestretch (nframes_t start, nframes_t end)
{
for (Children::iterator i = children.begin(); i != children.end(); ++i) {
(*i)->show_timestretch (start, end);
}
}
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) {
nframes_t start, end, 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() = 1.0 + trim_handle_size;
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() = 1.0 + trim_handle_size;
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_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->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
rect->start_trim = new SimpleRect (*selection_group);
rect->start_trim->property_x1() = 0.0;
rect->start_trim->property_x2() = 0.0;
rect->start_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
rect->start_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
rect->end_trim = new SimpleRect (*selection_group);
rect->end_trim->property_x1() = 0.0;
rect->end_trim->property_x2() = 0.0;
rect->end_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
rect->end_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
free_selection_rects.push_front (rect);
rect->rect->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_rect_event), rect->rect, rect));
rect->start_trim->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_start_trim_event), rect->rect, rect));
rect->end_trim->signal_event().connect (bind (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);
}
}
void
TimeAxisView::get_selectables (nframes_t start, nframes_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);
gr->GoingAway.connect (mem_fun(*this, &TimeAxisView::erase_ghost));
}
}
void
TimeAxisView::remove_ghost (RegionView* rv) {
rv->remove_ghost_in (*this);
}
void
TimeAxisView::erase_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;
}
}
}
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;
}
bool
TimeAxisView::has_state () const
{
return _has_state;
}
TimeAxisView*
TimeAxisView::get_parent_with_state ()
{
if (parent == 0) {
return 0;
}
if (parent->has_state()) {
return parent;
}
return parent->get_parent_with_state ();
}
XMLNode&
TimeAxisView::get_state ()
{
XMLNode* node = new XMLNode ("TAV-" + name());
char buf[32];
snprintf (buf, sizeof(buf), "%u", height);
node->add_property ("height", buf);
node->add_property ("marked-for-display", (_marked_for_display ? "1" : "0"));
return *node;
}
int
TimeAxisView::set_state (const XMLNode& node)
{
const XMLProperty *prop;
if ((prop = node.property ("marked-for-display")) != 0) {
_marked_for_display = (prop->value() == "1");
}
if ((prop = node.property ("track-height")) != 0) {
if (prop->value() == "largest") {
set_height (hLargest);
} else if (prop->value() == "large") {
set_height (hLarge);
} else if (prop->value() == "larger") {
set_height (hLarger);
} else if (prop->value() == "normal") {
set_height (hNormal);
} else if (prop->value() == "smaller") {
set_height (hSmaller);
} else if (prop->value() == "small") {
set_height (hSmall);
} else {
error << string_compose(_("unknown track height name \"%1\" in XML GUI information"), prop->value()) << endmsg;
set_height (Normal);
}
} else if ((prop = node.property ("height")) != 0) {
set_height (atoi (prop->value()));
} else {
set_height (hNormal);
}
return 0;
}
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_controls_size_info ()
{
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 extra_height = (2 * border_width)
//+ 2 // 2 pixels for the hseparator between TimeAxisView control areas
+ 10; // resizer button (3 x 2 pixel elements + 2 x 2 pixel gaps)
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
hSmaller = req.height + extra_height;
window.remove ();
window.add (two_row_table);
two_row_table.attach (*buttons[1], 5, 6, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
two_row_table.attach (*buttons[2], 6, 7, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
two_row_table.attach (*buttons[3], 7, 8, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
two_row_table.attach (*buttons[4], 8, 9, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
two_row_table.show_all ();
req = two_row_table.size_request ();
cerr << "Normal height is " << req.height << " + " << extra_height << endl;
// height required to show all normal buttons
hNormal = /*req.height*/ 48 + extra_height;
// these heights are all just larger than normal. no more
// elements are visible (yet).
hLarger = hNormal + 50;
hLarge = hNormal + 150;
hLargest = hNormal + 250;
// height required to show track name
hSmall = 27;
}
void
TimeAxisView::show_name_label ()
{
if (!(name_packing & NameLabelPacked)) {
name_hbox.pack_start (name_label, true, true);
name_packing = NamePackingBits (name_packing | NameLabelPacked);
name_hbox.show ();
name_label.show ();
}
}
void
TimeAxisView::show_name_entry ()
{
if (!(name_packing & NameEntryPacked)) {
name_hbox.pack_start (name_entry, true, true);
name_packing = NamePackingBits (name_packing | NameEntryPacked);
name_hbox.show ();
name_entry.show ();
}
}
void
TimeAxisView::hide_name_label ()
{
if (name_packing & NameLabelPacked) {
name_hbox.remove (name_label);
name_packing = NamePackingBits (name_packing & ~NameLabelPacked);
}
}
void
TimeAxisView::hide_name_entry ()
{
if (name_packing & NameEntryPacked) {
name_hbox.remove (name_entry);
name_packing = NamePackingBits (name_packing & ~NameEntryPacked);
}
}
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();
}
}
TimeAxisView*
TimeAxisView::covers_y_position (double y)
{
if (hidden()) {
return 0;
}
if (y_position <= y && y < (y_position + height)) {
return this;
}
for (Children::iterator i = children.begin(); i != children.end(); ++i) {
TimeAxisView* tv;
if ((tv = (*i)->covers_y_position (y)) != 0) {
return tv;
}
}
return 0;
}
void
TimeAxisView::show_feature_lines (const AnalysisFeatureList& pos)
{
analysis_features = pos;
reshow_feature_lines ();
}
void
TimeAxisView::hide_feature_lines ()
{
list<ArdourCanvas::SimpleLine*>::iterator l;
for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
(*l)->hide();
}
}
void
TimeAxisView::reshow_feature_lines ()
{
while (feature_lines.size()< analysis_features.size()) {
ArdourCanvas::SimpleLine* l = new ArdourCanvas::SimpleLine (*canvas_display);
l->property_color_rgba() = (guint) ARDOUR_UI::config()->canvasvar_ZeroLine.get();
feature_lines.push_back (l);
}
while (feature_lines.size() > analysis_features.size()) {
ArdourCanvas::SimpleLine *line = feature_lines.back();
feature_lines.pop_back ();
delete line;
}
AnalysisFeatureList::const_iterator i;
list<ArdourCanvas::SimpleLine*>::iterator l;
for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
(*l)->property_x1() = editor.frame_to_pixel (*i);
(*l)->property_x2() = editor.frame_to_pixel (*i);
(*l)->property_y1() = 0;
(*l)->property_y2() = current_height();
(*l)->show ();
}
}
bool
TimeAxisView::resizer_button_press (GdkEventButton* event)
{
resize_drag_start = event->y_root;
resize_idle_target = current_height();
editor.start_resize_line_ops ();
return true;
}
bool
TimeAxisView::resizer_button_release (GdkEventButton* ev)
{
resize_drag_start = -1;
editor.end_resize_line_ops ();
return true;
}
void
TimeAxisView::idle_resize (uint32_t h)
{
set_height (h);
}
bool
TimeAxisView::resizer_motion (GdkEventMotion* ev)
{
if (resize_drag_start < 0) {
return true;
}
int32_t delta = (int32_t) floor (resize_drag_start - ev->y_root);
resize_idle_target = std::max (resize_idle_target - delta, (int) hSmall);
editor.add_to_idle_resize (this, resize_idle_target);
resize_drag_start = ev->y_root;
return true;
}
bool
TimeAxisView::resizer_expose (GdkEventExpose* event)
{
int w, h, x, y, d;
Glib::RefPtr<Gdk::Window> win (resizer.get_window());
Glib::RefPtr<Gdk::GC> dark (resizer.get_style()->get_fg_gc (STATE_NORMAL));
Glib::RefPtr<Gdk::GC> light (resizer.get_style()->get_bg_gc (STATE_NORMAL));
win->draw_rectangle (controls_ebox.get_style()->get_bg_gc(STATE_NORMAL),
true,
event->area.x,
event->area.y,
event->area.width,
event->area.height);
win->get_geometry (x, y, w, h, d);
/* handle/line #1 */
win->draw_line (dark, 0, 0, w - 2, 0);
win->draw_point (dark, 0, 1);
win->draw_line (light, 1, 1, w - 1, 1);
win->draw_point (light, w - 1, 0);
/* handle/line #2 */
win->draw_line (dark, 0, 4, w - 2, 4);
win->draw_point (dark, 0, 5);
win->draw_line (light, 1, 5, w - 1, 5);
win->draw_point (light, w - 1, 4);
/* handle/line #3 */
win->draw_line (dark, 0, 8, w - 2, 8);
win->draw_point (dark, 0, 9);
win->draw_line (light, 1, 9, w - 1, 9);
win->draw_point (light, w - 1, 8);
return true;
}
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