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livetrax/gtk2_ardour/visual_time_axis.cc

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/*
Copyright (C) 2003 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 <vector>
#include <pbd/error.h>
#include <pbd/stl_delete.h>
#include <pbd/whitespace.h>
#include <gtkmm2ext/utils.h>
#include <gtkmm2ext/selector.h>
#include <gtkmm2ext/gtk_ui.h>
#include <gtkmm2ext/stop_signal.h>
#include <gtkmm2ext/choice.h>
#include <ardour/session.h>
#include <ardour/utils.h>
#include <ardour/processor.h>
#include <ardour/location.h>
#include "ardour_ui.h"
#include "public_editor.h"
#include "imageframe_time_axis.h"
#include "imageframe_time_axis_view.h"
#include "marker_time_axis_view.h"
#include "imageframe_view.h"
#include "marker_time_axis.h"
#include "marker_view.h"
#include "utils.h"
#include "prompter.h"
#include "rgb_macros.h"
#include "canvas_impl.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace sigc;
using namespace Gtk;
/**
* Abstract Constructor for base visual time axis classes
*
* @param name the name/Id of thie TimeAxis
* @param ed the Ardour PublicEditor
* @param sess the current session
* @param canvas the parent canvas object
*/
VisualTimeAxis::VisualTimeAxis(const string & name, PublicEditor& ed, ARDOUR::Session& sess, Canvas& canvas)
: AxisView(sess),
TimeAxisView(sess,ed,(TimeAxisView*) 0, canvas),
visual_button (_("v")),
size_button (_("h"))
{
time_axis_name = name ;
_color = unique_random_color() ;
name_entry.signal_activate().connect(mem_fun(*this, &VisualTimeAxis::name_entry_changed)) ;
name_entry.signal_button_press_event().connect(mem_fun(*this, &VisualTimeAxis::name_entry_button_press_handler)) ;
name_entry.signal_button_release_event().connect(mem_fun(*this, &VisualTimeAxis::name_entry_button_release_handler)) ;
name_entry.signal_key_release_event().connect(mem_fun(*this, &VisualTimeAxis::name_entry_key_release_handler)) ;
size_button.set_name("TrackSizeButton") ;
visual_button.set_name("TrackVisualButton") ;
hide_button.set_name("TrackRemoveButton") ;
hide_button.add(*(Gtk::manage(new Gtk::Image(get_xpm("small_x.xpm")))));
size_button.signal_button_release_event().connect (mem_fun (*this, &VisualTimeAxis::size_click)) ;
visual_button.signal_clicked().connect (mem_fun (*this, &VisualTimeAxis::visual_click)) ;
hide_button.signal_clicked().connect (mem_fun (*this, &VisualTimeAxis::hide_click)) ;
ARDOUR_UI::instance()->tooltips().set_tip(size_button,_("Display Height")) ;
ARDOUR_UI::instance()->tooltips().set_tip(visual_button, _("Visual options")) ;
ARDOUR_UI::instance()->tooltips().set_tip(hide_button, _("Hide this track")) ;
controls_table.attach (hide_button, 0, 1, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
controls_table.attach (visual_button, 1, 2, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
controls_table.attach (size_button, 2, 3, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
/* remove focus from the buttons */
size_button.unset_flags(Gtk::CAN_FOCUS) ;
hide_button.unset_flags(Gtk::CAN_FOCUS) ;
visual_button.unset_flags(Gtk::CAN_FOCUS) ;
set_height (hNormal) ;
}
/**
* VisualTimeAxis Destructor
*
*/
VisualTimeAxis::~VisualTimeAxis()
{
}
//---------------------------------------------------------------------------------------//
// Name/Id Accessors/Mutators
void
VisualTimeAxis::set_time_axis_name(const string & name, void* src)
{
std::string old_name = time_axis_name ;
if(name != time_axis_name)
{
time_axis_name = name ;
label_view() ;
editor.route_name_changed(this) ;
NameChanged(time_axis_name, old_name, src) ; /* EMIT_SIGNAL */
}
}
std::string
VisualTimeAxis::name() const
{
return(time_axis_name) ;
}
//---------------------------------------------------------------------------------------//
// ui methods & data
/**
* Sets the height of this TrackView to one of the defined TrackHeghts
*
* @param h
*/
void
VisualTimeAxis::set_height(uint32_t h)
{
TimeAxisView::set_height(h);
if (h >= hNormal) {
hide_name_label ();
show_name_entry ();
other_button_hbox.show_all() ;
} else if (h >= hSmaller) {
hide_name_label ();
show_name_entry ();
other_button_hbox.hide_all() ;
} else if (h >= hSmall) {
hide_name_entry ();
show_name_label ();
other_button_hbox.hide_all() ;
}
}
/**
* Handle the visuals button click
*
*/
void
VisualTimeAxis::visual_click()
{
popup_display_menu(0);
}
/**
* Handle the hide buttons click
*
*/
void
VisualTimeAxis::hide_click()
{
// LAME fix for hide_button display refresh
hide_button.set_sensitive(false);
editor.hide_track_in_display (*this);
hide_button.set_sensitive(true);
}
/**
* Allows the selection of a new color for this TimeAxis
*
*/
void
VisualTimeAxis::select_track_color ()
{
if(choose_time_axis_color())
{
//Does nothing at this abstract point
}
}
/**
* Provides a color chooser for the selection of a new time axis color.
*
*/
bool
VisualTimeAxis::choose_time_axis_color()
{
bool picked ;
Gdk::Color color ;
gdouble current[4] ;
Gdk::Color current_color ;
current[0] = _color.get_red() / 65535.0 ;
current[1] = _color.get_green() / 65535.0 ;
current[2] = _color.get_blue() / 65535.0 ;
current[3] = 1.0 ;
current_color.set_rgb_p (current[0],current[1],current[2]);
color = Gtkmm2ext::UI::instance()->get_color(_("ardour: color selection"),picked, &current_color) ;
if (picked)
{
set_time_axis_color(color) ;
}
return(picked) ;
}
/**
* Sets the color of this TimeAxis to the specified color c
*
* @param c the new TimeAxis color
*/
void
VisualTimeAxis::set_time_axis_color(Gdk::Color c)
{
_color = c ;
}
void
VisualTimeAxis::set_selected_regionviews (RegionSelection& regions)
{
// Not handled by purely visual TimeAxis
}
//---------------------------------------------------------------------------------------//
// Handle time axis removal
/**
* Handles the Removal of this VisualTimeAxis
*
* @param src the identity of the object that initiated the change
*/
void
VisualTimeAxis::remove_this_time_axis(void* src)
{
vector<string> choices;
std::string prompt = string_compose (_("Do you really want to remove track \"%1\" ?\n(cannot be undone)"), time_axis_name);
choices.push_back (_("No, do nothing."));
choices.push_back (_("Yes, remove it."));
Gtkmm2ext::Choice prompter (prompt, choices);
if (prompter.run () == 1) {
/*
defer to idle loop, otherwise we'll delete this object
while we're still inside this function ...
*/
Glib::signal_idle().connect(bind(sigc::ptr_fun(&VisualTimeAxis::idle_remove_this_time_axis), this, src));
}
}
/**
* Callback used to remove this time axis during the gtk idle loop
* This is used to avoid deleting the obejct while inside the remove_this_time_axis
* method
*
* @param ta the VisualTimeAxis to remove
* @param src the identity of the object that initiated the change
*/
gint
VisualTimeAxis::idle_remove_this_time_axis(VisualTimeAxis* ta, void* src)
{
ta->VisualTimeAxisRemoved(ta->name(), src) ; /* EMIT_SIGNAL */
delete ta ;
ta = 0 ;
return(false) ;
}
//---------------------------------------------------------------------------------------//
// Handle TimeAxis rename
/**
* Construct a new prompt to receive a new name for this TimeAxis
*
* @see finish_time_axis_rename()
*/
void
VisualTimeAxis::start_time_axis_rename()
{
ArdourPrompter name_prompter;
name_prompter.set_prompt (_("new name: ")) ;
name_prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
name_prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
name_prompter.show_all() ;
switch (name_prompter.run ()) {
case Gtk::RESPONSE_ACCEPT:
string result;
name_prompter.get_result (result);
if (result.length()) {
if (editor.get_named_time_axis(result) != 0) {
ARDOUR_UI::instance()->popup_error (_("A track already exists with that name"));
return ;
}
set_time_axis_name(result, this) ;
}
}
label_view() ;
}
/**
* Handles the new name for this TimeAxis from the name prompt
*
* @see start_time_axis_rename()
*/
void
VisualTimeAxis::label_view()
{
name_label.set_text(time_axis_name) ;
name_entry.set_text(time_axis_name) ;
ARDOUR_UI::instance()->tooltips().set_tip(name_entry, time_axis_name) ;
}
//---------------------------------------------------------------------------------------//
// Handle name entry signals
void
VisualTimeAxis::name_entry_changed()
{
string x = name_entry.get_text ();
if (x == time_axis_name) {
return;
}
strip_whitespace_edges(x);
if (x.length() == 0) {
name_entry.set_text (time_axis_name);
return;
}
if (!editor.get_named_time_axis(x)) {
set_time_axis_name(x, this);
} else {
ARDOUR_UI::instance()->popup_error (_("A track already exists with that name"));
name_entry.set_text(time_axis_name);
}
}
gint
VisualTimeAxis::name_entry_button_press_handler(GdkEventButton *ev)
{
if (ev->button == 3) {
return stop_signal (name_entry, "button_press_event");
}
return FALSE;
}
gint
VisualTimeAxis::name_entry_button_release_handler(GdkEventButton *ev)
{
return FALSE;
}
gint
VisualTimeAxis::name_entry_key_release_handler(GdkEventKey* ev)
{
switch (ev->keyval) {
case GDK_Tab:
case GDK_Up:
case GDK_Down:
name_entry_changed ();
return TRUE;
default:
return FALSE;
}
}
//---------------------------------------------------------------------------------------//
// Super class methods not handled by VisualTimeAxis
void
VisualTimeAxis::show_timestretch (nframes_t start, nframes_t end)
{
// Not handled by purely visual TimeAxis
}
void
VisualTimeAxis::hide_timestretch()
{
// Not handled by purely visual TimeAxis
}