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livetrax/gtk2_ardour/imageframe_time_axis.cc

421 lines
12 KiB
C++

/*
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 <string>
#include <algorithm>
#include "pbd/error.h"
#include <gtkmm/menu.h>
#include <gtkmm2ext/utils.h>
#include <gtkmm2ext/gtk_ui.h>
#include "ardour/session.h"
#include "ardour/utils.h"
#include "public_editor.h"
#include "imageframe_time_axis.h"
#include "simplerect.h"
#include "enums.h"
#include "imageframe_time_axis_view.h"
#include "imageframe_time_axis_group.h"
#include "marker_time_axis_view.h"
#include "imageframe_view.h"
#include "marker_time_axis.h"
#include "marker_view.h"
#include "gui_thread.h"
#include "canvas_impl.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
/**
* Constructs a new ImageFrameTimeAxis.
*
* @param track_id the track name/id
* @param ed the PublicEditor
* @param sess the current session
* @param canvas the parent canvas item
*/
ImageFrameTimeAxis::ImageFrameTimeAxis(const string & track_id, PublicEditor& ed, ARDOUR::Session& sess, ArdourCanvas::Canvas& canvas)
: AxisView(sess),
VisualTimeAxis(track_id, ed, sess, canvas)
{
_color = unique_random_color() ;
selection_group = new ArdourCanvas::Group (*canvas_display);
selection_group->hide();
// intialize our data items
_marked_for_display = true;
y_position = -1 ;
/* create our new image frame view */
view = new ImageFrameTimeAxisView(*this) ;
/* create the Image Frame Edit Menu */
create_imageframe_menu() ;
// set the initial time axis text label
label_view() ;
// set the initial height of this time axis
set_height(hNormal) ;
}
/**
* Destructor
* Responsible for destroying any child image items that may have been added to thie time axis
*/
ImageFrameTimeAxis::~ImageFrameTimeAxis ()
{
GoingAway() ; /* EMIT_SIGNAL */
// Destroy all the marker views we may have associaited with this TimeAxis
for(MarkerTimeAxisList::iterator iter = marker_time_axis_list.begin(); iter != marker_time_axis_list.end(); ++iter)
{
MarkerTimeAxis* mta = *iter ;
MarkerTimeAxisList::iterator next = iter ;
next++ ;
marker_time_axis_list.erase(iter) ;
delete mta ;
mta = 0 ;
iter = next ;
}
delete image_action_menu ;
image_action_menu = 0 ;
delete selection_group;
selection_group = 0 ;
// Destroy our Axis View helper
delete view ;
view = 0 ;
}
//---------------------------------------------------------------------------------------//
// ui methods & data
/**
* Sets the height of this TrackView to one of ths TrackHeghts
*
* @param h
*/
void
ImageFrameTimeAxis::set_height (uint32_t h)
{
VisualTimeAxis::set_height(h) ;
// tell out view helper of the change too
if(view != 0)
{
view->set_height((double) height) ;
}
// tell those interested that we have had our height changed
gui_changed("track_height",(void*)0); /* EMIT_SIGNAL */
}
/**
* Sets the number of samples per unit that are used.
* This is used to determine the siezes of items upon this time axis
*
* @param spu the number of samples per unit
*/
void
ImageFrameTimeAxis::set_samples_per_unit(double spu)
{
TimeAxisView::set_samples_per_unit (editor.get_current_zoom());
if(view) {
view->set_samples_per_unit(spu) ;
}
}
/**
* Returns the available height for images to be drawn onto
*
* @return the available height for an image item to be drawn onto
*/
int
ImageFrameTimeAxis::get_image_display_height()
{
return(height - (gint)TimeAxisViewItem::NAME_HIGHLIGHT_SIZE) ;
}
/**
* Show the popup edit menu
*
* @param button the mouse button pressed
* @param time when to show the popup
* @param clicked_imageframe the ImageFrameItem that the event ocured upon, or 0 if none
* @param with_item true if an item has been selected upon the time axis, used to set context menu
*/
void
ImageFrameTimeAxis::popup_imageframe_edit_menu(int button, int32_t time, ImageFrameView* clicked_imageframe, bool with_item)
{
if (!imageframe_menu)
{
create_imageframe_menu() ;
}
if(with_item)
{
imageframe_item_menu->set_sensitive(true) ;
}
else
{
imageframe_item_menu->set_sensitive(false) ;
}
imageframe_menu->popup(button,time) ;
}
/**
* convenience method to select a new track color and apply it to the view and view items
*
*/
void
ImageFrameTimeAxis::select_track_color()
{
if (choose_time_axis_color())
{
if (view)
{
view->apply_color (_color) ;
}
}
}
/**
* Handles the building of the popup menu
*/
void
ImageFrameTimeAxis::build_display_menu()
{
using namespace Menu_Helpers;
using Gtk::Menu;
/* 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 (_("Rename"), sigc::mem_fun(*this, &ImageFrameTimeAxis::start_time_axis_rename)));
image_action_menu = new Menu() ;
image_action_menu->set_name ("ArdourContextMenu");
MenuList image_items = image_action_menu->items() ;
items.push_back (SeparatorElem());
items.push_back (MenuElem (_("Height"), *size_menu));
items.push_back (MenuElem (_("Color"), sigc::mem_fun(*this, &ImageFrameTimeAxis::select_track_color)));
items.push_back (SeparatorElem());
items.push_back (MenuElem (_("Remove"), sigc::bind(sigc::mem_fun(*this, &VisualTimeAxis::remove_this_time_axis), (void*)this))) ;
}
/**
* handles the building of the ImageFrameView sub menu
*/
void
ImageFrameTimeAxis::create_imageframe_menu()
{
using namespace Menu_Helpers;
using Gtk::Menu;
imageframe_menu = manage(new Menu) ;
imageframe_menu->set_name ("ArdourContextMenu");
MenuList& items = imageframe_menu->items();
imageframe_item_menu = manage(new Menu) ;
imageframe_item_menu->set_name ("ArdourContextMenu");
MenuList& imageframe_sub_items = imageframe_item_menu->items() ;
/* duration menu */
Menu* duration_menu = manage(new Menu) ;
duration_menu->set_name ("ArdourContextMenu");
MenuList& duration_items = duration_menu->items() ;
if(view)
{
duration_items.push_back(MenuElem (_("0.5 seconds"), sigc::bind (sigc::mem_fun (view, &ImageFrameTimeAxisView::set_imageframe_duration_sec), 0.5))) ;
duration_items.push_back(MenuElem (_("1 seconds"), sigc::bind (sigc::mem_fun (view, &ImageFrameTimeAxisView::set_imageframe_duration_sec), 1.0))) ;
duration_items.push_back(MenuElem (_("1.5 seconds"), sigc::bind (sigc::mem_fun (view, &ImageFrameTimeAxisView::set_imageframe_duration_sec), 1.5))) ;
duration_items.push_back(MenuElem (_("2 seconds"), sigc::bind (sigc::mem_fun (view, &ImageFrameTimeAxisView::set_imageframe_duration_sec), 2.0))) ;
duration_items.push_back(MenuElem (_("2.5 seconds"), sigc::bind (sigc::mem_fun (view, &ImageFrameTimeAxisView::set_imageframe_duration_sec), 2.5))) ;
duration_items.push_back(MenuElem (_("3 seconds"), sigc::bind (sigc::mem_fun (view, &ImageFrameTimeAxisView::set_imageframe_duration_sec), 3.0))) ;
//duration_items.push_back(SeparatorElem()) ;
//duration_items.push_back(MenuElem (_("custom"), sigc::mem_fun(*this, &ImageFrameTimeAxis::set_imageframe_duration_custom))) ;
}
imageframe_sub_items.push_back(MenuElem(_("Duration (sec)"), *duration_menu)) ;
imageframe_sub_items.push_back(SeparatorElem()) ;
if(view)
{
imageframe_sub_items.push_back(MenuElem (_("Remove Frame"), sigc::bind(sigc::mem_fun (view, &ImageFrameTimeAxisView::remove_selected_imageframe_item), (void*)this))) ;
}
items.push_back(MenuElem(_("Image Frame"), *imageframe_item_menu)) ;
items.push_back(MenuElem (_("Rename Track"), sigc::mem_fun(*this,&ImageFrameTimeAxis::start_time_axis_rename))) ;
imageframe_menu->show_all() ;
}
//---------------------------------------------------------------------------------------//
// Marker Time Axis Methods
/**
* Add a MarkerTimeAxis to the ilst of MarkerTimeAxis' associated with this ImageFrameTimeAxis
*
* @param marker_track the MarkerTimeAxis to add
* @param src the identity of the object that initiated the change
* @return true if the addition was a success,
* false otherwise
*/
bool
ImageFrameTimeAxis::add_marker_time_axis(MarkerTimeAxis* marker_track, void* src)
{
bool ret = false ;
if(get_named_marker_time_axis(marker_track->name()) != 0)
{
ret = false ;
}
else
{
marker_time_axis_list.push_back(marker_track) ;
marker_track->GoingAway.connect(sigc::bind(sigc::mem_fun(*this, &ImageFrameTimeAxis::remove_time_axis_view), marker_track, (void*)this));
MarkerTimeAxisAdded(marker_track, src) ; /* EMIT_SIGNAL */
ret = true ;
}
return(ret) ;
}
/**
* Returns the named MarkerTimeAxis associated with this ImageFrameTimeAxis
*
* @param track_id the track_id of the MarkerTimeAxis to search for
* @return the named markerTimeAxis, or 0 if the named MarkerTimeAxis is not associated with this ImageFrameTimeAxis
*/
MarkerTimeAxis*
ImageFrameTimeAxis::get_named_marker_time_axis(const string & track_id)
{
MarkerTimeAxis* mta = 0 ;
for (MarkerTimeAxisList::iterator i = marker_time_axis_list.begin(); i != marker_time_axis_list.end(); ++i)
{
if (((MarkerTimeAxis*)*i)->name() == track_id)
{
mta = ((MarkerTimeAxis*)*i) ;
break ;
}
}
return(mta) ;
}
/**
* Removes the named markerTimeAxis from those associated with this ImageFrameTimeAxis
*
* @param track_id the track id of the MarkerTimeAxis to remove
* @param src the identity of the object that initiated the change
* @return the removed MarkerTimeAxis
*/
MarkerTimeAxis*
ImageFrameTimeAxis::remove_named_marker_time_axis(const string & track_id, void* src)
{
MarkerTimeAxis* mta = 0 ;
for(MarkerTimeAxisList::iterator i = marker_time_axis_list.begin(); i != marker_time_axis_list.end(); ++i)
{
if (((MarkerTimeAxis*)*i)->name() == track_id)
{
mta = ((MarkerTimeAxis*)*i) ;
// the iterator is invalid after this call, so we can no longer use it as is.
marker_time_axis_list.erase(i) ;
MarkerTimeAxisRemoved(mta->name(), src) ; /* EMIT_SIGNAL */
break ;
}
}
return(mta) ;
}
/**
* Removes the specified MarkerTimeAxis from the list of MarkerTimaAxis associated with this ImageFrameTimeAxis
* Note that the MarkerTimeAxis is not deleted, only removed from the list os associated tracks
*
* @param mta the TimeAxis to remove
* @param src the identity of the object that initiated the change
*/
void
ImageFrameTimeAxis::remove_time_axis_view(MarkerTimeAxis* mta, void* src)
{
ENSURE_GUI_THREAD (*this, &ImageFrameTimeAxis::remove_time_axis_view, mta, src)
MarkerTimeAxisList::iterator i;
if((i = find (marker_time_axis_list.begin(), marker_time_axis_list.end(), mta)) != marker_time_axis_list.end())
{
// note that we dont delete the object itself, we just remove it from our list
marker_time_axis_list.erase(i) ;
MarkerTimeAxisRemoved(mta->name(), src) ; /* EMIT_SIGNAL */
}
}
//---------------------------------------------------------------------------------------//
// Parent/Child helper object accessors
/**
* Returns the view helper of this TimeAxis
*
* @return the view helper of this TimeAxis
*/
ImageFrameTimeAxisView*
ImageFrameTimeAxis::get_view()
{
return(view) ;
}