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livetrax/gtk2_ardour/time_axis_view.cc
Paul Davis 08a6f9bbb5 editor_canvas_events.cc now compiles
git-svn-id: svn://localhost/trunk/ardour2@92 d708f5d6-7413-0410-9779-e7cbd77b26cf
2005-11-14 16:24:21 +00:00

788 lines
19 KiB
C++

/*
Copyright (C) 2000 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#include <cstdlib>
#include <cmath>
#include <algorithm>
#include <string>
#include <list>
#include <libgnomecanvasmm/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/insert.h>
#include <ardour/location.h>
#include "ardour_ui.h"
#include "public_editor.h"
#include "time_axis_view.h"
#include "simplerect.h"
#include "selection.h"
#include "keyboard.h"
#include "rgb_macros.h"
#include "i18n.h"
using namespace Gtk;
using namespace sigc;
using namespace ARDOUR;
using namespace Editing;
using namespace ArdourCanvas;
const double trim_handle_size = 6.0; /* pixels */
TimeAxisView::TimeAxisView (ARDOUR::Session& sess, PublicEditor& ed, TimeAxisView* rent, Canvas& canvas)
: AxisView (sess),
editor (ed),
controls_table (2, 9)
{
canvas_display = new Group (*canvas.root(), 0.0, 0.0);
selection_group = new Group (*canvas_display);
selection_group->hide();
control_parent = 0;
display_menu = 0;
size_menu = 0;
_marked_for_display = false;
_hidden = false;
height = 0;
effective_height = 0;
parent = rent;
_has_state = false;
/*
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_focus_in_event().connect (sigc::ptr_fun (ARDOUR_UI::generic_focus_in_event));
name_entry.signal_focus_out_event().connect (sigc::ptr_fun (ARDOUR_UI::generic_focus_out_event));
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);
// name_hbox.set_border_width (2);
// name_hbox.set_spacing (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.pack_start (name_label, true, true);
name_hbox.pack_start (name_entry, true, true);
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.show ();
controls_table.attach (name_hbox, 0, 5, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
controls_table.show ();
controls_vbox.pack_start (controls_table, false, false);
controls_vbox.show ();
controls_ebox.set_name ("TimeAxisViewControlsBaseUnselected");
controls_ebox.add (controls_vbox);
controls_ebox.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
controls_ebox.set_flags (Gtk::CAN_FOCUS);
controls_ebox.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::controls_ebox_button_release));
controls_lhs_pad.set_name ("TimeAxisViewControlsPadding");
controls_hbox.pack_start (controls_lhs_pad,false,false);
controls_hbox.pack_start (controls_ebox,true,true);
controls_hbox.show ();
controls_frame.add (controls_hbox);
controls_frame.set_name ("TimeAxisViewControlsBaseUnselected");
controls_frame.set_shadow_type (Gtk::SHADOW_OUT);
}
TimeAxisView::~TimeAxisView()
{
for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
delete *i;
}
for (list<SelectionRect*>::iterator i = free_selection_rects.begin(); i != free_selection_rects.end(); ++i) {
gtk_object_destroy (GTK_OBJECT((*i)->rect));
gtk_object_destroy (GTK_OBJECT((*i)->start_trim));
gtk_object_destroy (GTK_OBJECT((*i)->end_trim));
}
for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
gtk_object_destroy (GTK_OBJECT((*i)->rect));
gtk_object_destroy (GTK_OBJECT((*i)->start_trim));
gtk_object_destroy (GTK_OBJECT((*i)->end_trim));
}
if (selection_group) {
delete selection_group;
selection_group = 0;
}
if (canvas_display) {
delete canvas_display;
canvas_display = 0;
}
if (display_menu) {
delete display_menu;
display_menu = 0;
}
if (size_menu) {
delete size_menu;
size_menu = 0;
}
}
guint32
TimeAxisView::show_at (double y, int& nth, VBox *parent)
{
gdouble ix1, ix2, iy1, iy2;
effective_height = 0;
if (control_parent) {
control_parent->reorder_child (controls_frame, nth);
} else {
control_parent = parent;
parent->pack_start (controls_frame, false, false);
parent->reorder_child (controls_frame, nth);
}
controls_frame.show ();
controls_ebox.show ();
/* the coordinates used here are in the system of the
item's parent ...
*/
canvas_display->get_bounds (ix1, iy1, ix2, iy2);
Group* pg = canvas_display->property_parent();
pg->i2w (ix1, iy1);
if (iy1 < 0) {
iy1 = 0;
}
canvas_display->move (0.0, y - iy1);
canvas_display->show();/* XXX not necessary */
y_position = y;
order = nth;
_hidden = false;
effective_height = height;
/* now show children */
for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
if ((*i)->marked_for_display()) {
(*i)->canvas_display->show();
}
if (GTK_OBJECT_FLAGS(GTK_OBJECT((*i)->canvas_display)) & GNOME_CANVAS_ITEM_VISIBLE) {
++nth;
effective_height += (*i)->show_at (y + effective_height, nth, parent);
}
}
return effective_height;
}
gint
TimeAxisView::controls_ebox_button_release (GdkEventButton* ev)
{
switch (ev->button) {
case 1:
selection_click (ev);
break;
case 3:
popup_display_menu (ev->time);
break;
case 4:
if (Keyboard::no_modifier_keys_pressed (ev)) {
editor.scroll_tracks_up_line ();
} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
step_height (true);
}
break;
case 5:
if (Keyboard::no_modifier_keys_pressed (ev)) {
editor.scroll_tracks_down_line ();
} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
step_height (false);
}
break;
}
return TRUE;
}
void
TimeAxisView::selection_click (GdkEventButton* ev)
{
if (Keyboard::modifier_state_contains (ev->state, Keyboard::Shift)) {
if (editor.get_selection().selected (this)) {
editor.get_selection().remove (this);
} else {
editor.get_selection().add (this);
}
} else {
editor.get_selection().set (this);
}
}
void
TimeAxisView::hide ()
{
if (_hidden) {
return;
}
canvas_display->hide();
controls_frame.hide ();
if (control_parent) {
control_parent->remove (controls_frame);
control_parent = 0;
}
y_position = -1;
_hidden = true;
/* now hide children */
for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
(*i)->hide ();
}
Hiding ();
}
void
TimeAxisView::step_height (bool bigger)
{
switch (height) {
case Largest:
if (!bigger) set_height (Large);
break;
case Large:
if (bigger) set_height (Largest);
else set_height (Larger);
break;
case Larger:
if (bigger) set_height (Large);
else set_height (Normal);
break;
case Normal:
if (bigger) set_height (Larger);
else set_height (Smaller);
break;
case Smaller:
if (bigger) set_height (Normal);
else set_height (Small);
break;
case Small:
if (bigger) set_height (Smaller);
break;
}
}
void
TimeAxisView::set_height (TrackHeight h)
{
height = (guint32) h;
controls_frame.set_size_request (-1, height);
if (GTK_OBJECT_FLAGS(GTK_OBJECT(selection_group)) & GNOME_CANVAS_ITEM_VISIBLE) {
/* resize the selection rect */
show_selection (editor.get_selection().time);
}
// for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
// (*i)->set_height (h);
// }
}
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::popup_display_menu (guint32 when)
{
if (display_menu == 0) {
build_display_menu ();
}
display_menu->popup (1, when);
}
gint
TimeAxisView::size_click (GdkEventButton *ev)
{
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)
{
AxisView::set_selected (yn);
if (_selected) {
controls_ebox.set_name (controls_base_selected_name);
controls_frame.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_frame.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 (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
(*i)->set_selected (false);
}
}
}
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_height), Largest)));
items.push_back (MenuElem (_("Large"), bind (mem_fun (*this, &TimeAxisView::set_height), Large)));
items.push_back (MenuElem (_("Larger"), bind (mem_fun (*this, &TimeAxisView::set_height), Larger)));
items.push_back (MenuElem (_("Normal"), bind (mem_fun (*this, &TimeAxisView::set_height), Normal)));
items.push_back (MenuElem (_("Smaller"), bind (mem_fun (*this, &TimeAxisView::set_height), Smaller)));
items.push_back (MenuElem (_("Small"), bind (mem_fun (*this, &TimeAxisView::set_height), Small)));
}
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 (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
(*i)->set_samples_per_unit (spu);
}
}
void
TimeAxisView::show_timestretch (jack_nframes_t start, jack_nframes_t end)
{
for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
(*i)->show_timestretch (start, end);
}
}
void
TimeAxisView::hide_timestretch ()
{
for (vector<TimeAxisView*>::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 (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
(*i)->show_selection (ts);
}
if (GTK_OBJECT_FLAGS(GTK_OBJECT(selection_group)) & GNOME_CANVAS_ITEM_VISIBLE) {
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) {
jack_nframes_t start, end, cnt;
start = (*i).start;
end = (*i).end;
cnt = end - start + 1;
rect = get_selection_rect ((*i).id);
x1 = start / editor.get_current_zoom();
x2 = (start + cnt - 1) / editor.get_current_zoom();
y2 = height;
gtk_object_set (GTK_OBJECT(rect->rect),
"x1", x1,
"y1", 1.0,
"x2", x2,
"y2", y2,
NULL);
// trim boxes are at the top for selections
if (x2 > x1) {
gtk_object_set (GTK_OBJECT(rect->start_trim),
"x1", x1,
"y1", 1.0,
"x2", x1 + trim_handle_size,
"y2", 1.0 + trim_handle_size,
NULL);
gtk_object_set (GTK_OBJECT(rect->end_trim),
"x1", x2 - trim_handle_size,
"y1", 1.0,
"x2", x2,
"y2", 1.0 + trim_handle_size,
NULL);
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 (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
(*i)->show_selection (ts);
}
}
void
TimeAxisView::hide_selection ()
{
if (GTK_OBJECT_FLAGS(GTK_OBJECT(selection_group)) & GNOME_CANVAS_ITEM_VISIBLE) {
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 (vector<TimeAxisView*>::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) {
free_selection_rects.erase (i);
return (*i);
}
}
/* 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() = color_map[cSelectionRectFill];
rect->rect->property_outline_color_rgba() = color_map[cSelectionRectOutline];
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() = color_map[cSelectionStartFill];
rect->start_trim->property_outline_color_rgba() = color_map[cSelectionStartOutline];
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() = color_map[cSelectionEndFill];
rect->end_trim->property_outline_color_rgba() = color_map[cSelectionEndOutline];
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;
}
bool
TimeAxisView::is_child (TimeAxisView* tav)
{
return find (children.begin(), children.end(), tav) != children.end();
}
void
TimeAxisView::add_child (TimeAxisView* child)
{
children.push_back (child);
}
void
TimeAxisView::remove_child (TimeAxisView* child)
{
vector<TimeAxisView*>::iterator i;
if ((i = find (children.begin(), children.end(), child)) != children.end()) {
children.erase (i);
}
}
void
TimeAxisView::get_selectables (jack_nframes_t start, jack_nframes_t end, double top, double bot, list<Selectable*>& result)
{
return;
}
void
TimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& result)
{
return;
}
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 + height; // XXX need to include Editor::track_spacing;
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 ();
}
void
TimeAxisView::set_state (const XMLNode& node)
{
const XMLProperty *prop;
if ((prop = node.property ("track_height")) != 0) {
if (prop->value() == "largest") {
set_height (Largest);
} else if (prop->value() == "large") {
set_height (Large);
} else if (prop->value() == "larger") {
set_height (Larger);
} else if (prop->value() == "normal") {
set_height (Normal);
} else if (prop->value() == "smaller") {
set_height (Smaller);
} else if (prop->value() == "small") {
set_height (Small);
} else {
error << string_compose(_("unknown track height name \"%1\" in XML GUI information"), prop->value()) << endmsg;
set_height (Normal);
}
} else {
set_height (Normal);
}
}
void
TimeAxisView::reset_height()
{
set_height ((TrackHeight) height);
for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
(*i)->set_height ((TrackHeight)(*i)->height);
}
}