Paul Davis
b6f4cdaea2
git-svn-id: svn://localhost/ardour2/branches/3.0@6398 d708f5d6-7413-0410-9779-e7cbd77b26cf
390 lines
9.7 KiB
C++
390 lines
9.7 KiB
C++
/*
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Copyright (C) 2003 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <algorithm>
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#include <gtkmm.h>
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#include <gtkmm2ext/gtk_ui.h>
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#include "marker_time_axis_view.h"
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#include "marker_time_axis.h"
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#include "marker_view.h"
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#include "imageframe_view.h"
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#include "imageframe_time_axis.h"
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#include "canvas-simplerect.h"
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#include "public_editor.h"
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#include "rgb_macros.h"
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#include "gui_thread.h"
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#include "ardour_ui.h"
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#include "i18n.h"
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using namespace ARDOUR ;
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using namespace Editing;
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//---------------------------------------------------------------------------------------//
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// Constructor / Desctructor
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/**
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* Construct a new MarkerTimeAxisView helper time axis helper
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*
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* @param mta the TimeAxsiView that this objbect is the helper for
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*/
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MarkerTimeAxisView::MarkerTimeAxisView(MarkerTimeAxis& tv)
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: _trackview (tv)
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{
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region_color = _trackview.color();
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stream_base_color = ARDOUR_UI::config()->canvasvar_MarkerTrack.get();
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canvas_group = new ArdourCanvas::Group (*_trackview.canvas_display);
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canvas_rect = new ArdourCanvas::SimpleRect (*canvas_group);
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canvas_rect->property_x1() = 0.0;
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canvas_rect->property_y1() = 0.0;
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canvas_rect->property_x2() = max_frames;
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canvas_rect->property_y2() = (double)20;
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canvas_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerTrack.get();
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canvas_rect->property_fill_color_rgba() = stream_base_color;
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canvas_rect->signal_event().connect (sigc::bind (sigc::mem_fun (_trackview.editor, &PublicEditor::canvas_marker_time_axis_view_event), canvas_rect, &_trackview));
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_samples_per_unit = _trackview.editor.get_current_zoom() ;
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_trackview.editor.ZoomChanged.connect (sigc::mem_fun(*this, &MarkerTimeAxisView::reset_samples_per_unit));
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MarkerView::CatchDeletion.connect (*this, ui_bind (&MarkerTimeAxisView::remove_marker_view, this, _1), gui_context());
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}
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/**
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* Destructor
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* Reposinsibly for destroying all marker items that may have been added to this time axis view
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*
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*/
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MarkerTimeAxisView::~MarkerTimeAxisView()
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{
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// destroy everything upon this view
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for(MarkerViewList::iterator iter = marker_view_list.begin(); iter != marker_view_list.end(); ++iter)
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{
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MarkerView* mv = (*iter) ;
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MarkerViewList::iterator next = iter ;
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next++ ;
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marker_view_list.erase(iter) ;
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delete mv ;
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mv = 0 ;
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iter = next ;
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}
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delete canvas_rect;
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canvas_rect = 0 ;
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delete canvas_group;
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canvas_group = 0 ;
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}
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//---------------------------------------------------------------------------------------//
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// ui methods & data
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/**
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* Sets the height of the time axis view and the item upon it
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*
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* @param height the new height
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*/
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int
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MarkerTimeAxisView::set_height(gdouble h)
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{
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if (h < 10.0 || h > 1000.0) {
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return -1;
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}
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canvas_rect->property_y2() = h;
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for (MarkerViewList::iterator i = marker_view_list.begin(); i != marker_view_list.end(); ++i) {
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(*i)->set_y_position_and_height(0, h);
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}
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return 0;
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}
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/**
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* Sets the position of this view helper on the canvas
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*
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* @param x the x position upon the canvas
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* @param y the y position upon the canvas
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*/
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int
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MarkerTimeAxisView::set_position(gdouble x, gdouble y)
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{
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canvas_group->property_x() = x;
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canvas_group->property_y() = y;
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return 0;
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}
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/**
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* Sets the current samples per unit.
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* this method tells each item upon the time axis of the change
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*
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* @param spu the new samples per canvas unit value
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*/
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int
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MarkerTimeAxisView::set_samples_per_unit(gdouble spp)
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{
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if(spp < 1.0) {
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return -1 ;
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}
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_samples_per_unit = spp ;
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for(MarkerViewList::iterator i = marker_view_list.begin(); i != marker_view_list.end(); ++i)
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{
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(*i)->set_samples_per_unit(spp) ;
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}
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return(0) ;
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}
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/**
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* Sets the color of the items contained upon this view helper
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*
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* @param color the new base color
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*/
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void
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MarkerTimeAxisView::apply_color(Gdk::Color& color)
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{
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region_color = color;
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for (MarkerViewList::iterator i = marker_view_list.begin(); i != marker_view_list.end(); i++)
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{
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(*i)->set_color (region_color) ;
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}
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}
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//---------------------------------------------------------------------------------------//
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// Child MarkerView Accessors/Mutators
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/**
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* Adds a marker view to the list of items upon this time axis view helper
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* the new MarkerView is returned
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*
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* @param ifv the ImageFrameView that the new item is marking up
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* @param mark_text the text to be displayed uopn the new marker item
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* @param mark_id the unique id of the new item
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* @param start the position the new item should be placed upon the time line
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* @param duration the duration the new item should be placed upon the timeline
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* @param src the identity of the object that initiated the change
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*/
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MarkerView*
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MarkerTimeAxisView::add_marker_view(ImageFrameView* ifv, std::string mark_type, std::string mark_id, nframes_t start, nframes_t dur, void* src)
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{
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if(ifv->has_marker_view_item(mark_id))
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{
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return(0) ;
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}
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MarkerView* mv = new MarkerView(canvas_group,
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&_trackview,
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ifv,
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_trackview.editor.get_current_zoom(),
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region_color,
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mark_type,
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mark_id,
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start,
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dur) ;
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ifv->add_marker_view_item(mv, src) ;
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marker_view_list.push_front(mv) ;
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MarkerViewAdded(mv,src) ; /* EMIT_SIGNAL */
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return(mv) ;
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}
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/**
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* Returns the named MarkerView or 0 if the named marker does not exist
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*
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* @param item_id the unique id of the item to search for
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* @return the named MarkerView, or 0 if it is not held upon this view
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*/
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MarkerView*
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MarkerTimeAxisView::get_named_marker_view(std::string item_id)
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{
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MarkerView* mv = 0 ;
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for(MarkerViewList::iterator i = marker_view_list.begin(); i != marker_view_list.end(); ++i)
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{
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if(((MarkerView*)*i)->get_item_name() == item_id)
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{
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mv = ((MarkerView*)*i) ;
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break ;
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}
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}
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return(mv) ;
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}
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/**
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* Removes the currently selected MarverView
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* Note that this method actually destroys the MarkerView too.
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* We assume that since we own the object, we are allowed to do this
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*
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* @param src the identity of the object that initiated the change
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* @see add_marker_view
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*/
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void
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MarkerTimeAxisView::remove_selected_marker_view(void* src)
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{
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std::string removed ;
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if (selected_time_axis_item)
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{
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MarkerViewList::iterator i ;
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if((i = find (marker_view_list.begin(), marker_view_list.end(), selected_time_axis_item)) != marker_view_list.end())
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{
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marker_view_list.erase(i) ;
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MarkerViewRemoved(selected_time_axis_item->get_item_name(),src) ; /* EMIT_SIGNAL */
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delete(selected_time_axis_item) ;
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selected_time_axis_item = 0 ;
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}
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}
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else
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{
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//No selected marker view
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}
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}
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/**
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* Removes and returns the named MarkerView from the list of MarkerView held by this view helper
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*
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* @param item_id the MarkerView unique id to remove
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* @param src the identity of the object that initiated the change
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* @see add_marker_view
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*/
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MarkerView*
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MarkerTimeAxisView::remove_named_marker_view(std::string item_id, void* src)
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{
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MarkerView* mv = 0 ;
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MarkerViewList::iterator i = marker_view_list.begin() ;
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for(MarkerViewList::iterator iter = marker_view_list.begin(); iter != marker_view_list.end(); ++iter)
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{
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if(((MarkerView*)*i)->get_item_name() == item_id)
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{
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mv = ((MarkerView*)*i) ;
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marker_view_list.erase(i) ;
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MarkerViewRemoved(mv->get_item_name(), src) ; /* EMIT_SIGNAL */
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// break from the for loop
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break;
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}
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i++ ;
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}
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return(mv) ;
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}
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/**
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* Removes mv from the list of MarkerView upon this TimeAxis
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*
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* @param mv the MarkerView to remove
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* @param src the identity of the object that initiated the change
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*/
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void
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MarkerTimeAxisView::remove_marker_view (MarkerView* mv)
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{
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ENSURE_GUI_THREAD (*this, &MarkerTimeAxisView::remove_marker_view, mv, src)
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MarkerViewList::iterator i;
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if((i = find (marker_view_list.begin(), marker_view_list.end(), mv)) != marker_view_list.end()) {
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marker_view_list.erase(i) ;
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// Assume this remove happened locally, else use remove_named_marker_time_axis
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// let listeners know that the named MarkerTimeAxis has been removed
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MarkerViewRemoved(mv->get_item_name(), src) ; /* EMIT_SIGNAL */
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}
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}
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/**
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* Sets the duration of the selected MarkerView to the specified number of seconds
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*
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* @param sec the duration to set the MArkerView to, in seconds
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*/
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void
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MarkerTimeAxisView::set_marker_duration_sec(double sec)
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{
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if(get_selected_time_axis_item() != 0)
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{
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get_selected_time_axis_item()->set_duration((nframes_t) (sec * _trackview.editor.session()->frame_rate()), this) ;
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}
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}
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//---------------------------------------------------------------------------------------//
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// Selected item methods
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/**
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* Sets the currently selected item upon this time axis
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*
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* @param mv the item to set selected
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*/
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void
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MarkerTimeAxisView::set_selected_time_axis_item(MarkerView* mv)
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{
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selected_time_axis_item = mv ;
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}
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/**
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* Clears any selected item upon this time axis
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*
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*/
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void
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MarkerTimeAxisView::clear_selected_time_axis_item()
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{
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selected_time_axis_item = 0 ;
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}
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/**
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* Returnsthe currently selected item upon this time axis
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*
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* @return the currently selected item pon this time axis
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*/
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MarkerView*
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MarkerTimeAxisView::get_selected_time_axis_item()
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{
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return(selected_time_axis_item) ;
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}
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/**
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* convenience method to re-get the samples per unit and tell items upon this view
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*
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*/
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void
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MarkerTimeAxisView::reset_samples_per_unit ()
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{
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set_samples_per_unit(_trackview.editor.get_current_zoom()) ;
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}
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