353 lines
9.0 KiB
C++
353 lines
9.0 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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#ifndef __ardour_gtk_time_axis_h__
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#define __ardour_gtk_time_axis_h__
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#include <vector>
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#include <list>
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#include <gtkmm/box.h>
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#include <gtkmm/frame.h>
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#include <gtkmm/drawingarea.h>
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#include <gtkmm/eventbox.h>
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#include <gtkmm/table.h>
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#include <gtkmm/entry.h>
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#include <gtkmm/label.h>
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#include <gtkmm2ext/focus_entry.h>
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#include <pbd/stateful.h>
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#include <ardour/types.h>
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#include <ardour/region.h>
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#include "prompter.h"
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#include "axis_view.h"
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#include "enums.h"
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#include "editing.h"
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#include "canvas.h"
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namespace ARDOUR {
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class Session;
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class Region;
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class Session;
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class RouteGroup;
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class Playlist;
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}
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namespace Gtk {
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class Menu;
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}
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class PublicEditor;
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class RegionSelection;
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class TimeSelection;
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class PointSelection;
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class TimeAxisViewItem;
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class Selection;
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class Selectable;
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/**
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* TimeAxisView defines the abstract base class for time-axis views.
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*
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* This class provides the basic LHS controls and display methods. This should be
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* extended to create functional time-axis based views.
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*
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*/
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class TimeAxisView : public virtual AxisView, public Stateful
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{
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private:
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enum NamePackingBits {
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NameLabelPacked = 0x1,
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NameEntryPacked = 0x2
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};
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public:
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static uint32_t hLargest;
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static uint32_t hLarge;
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static uint32_t hLarger;
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static uint32_t hNormal;
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static uint32_t hSmaller;
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static uint32_t hSmall;
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TimeAxisView(ARDOUR::Session& sess, PublicEditor& ed, TimeAxisView* parent, ArdourCanvas::Canvas& canvas);
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virtual ~TimeAxisView ();
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XMLNode& get_state (void);
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int set_state (const XMLNode&);
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/* public data: XXX create accessor/mutators for these ?? */
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PublicEditor& editor;
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uint32_t effective_height; /* in canvas units */
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double y_position;
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int order;
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uint32_t current_height() const { return height; }
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ArdourCanvas::Group *canvas_background;
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ArdourCanvas::Group *canvas_display;
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Gtk::VBox *control_parent;
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/* The Standard LHS Controls */
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Gtk::Frame controls_frame;
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Gtk::HBox controls_hbox;
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Gtk::EventBox controls_lhs_pad;
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Gtk::Table controls_table;
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Gtk::EventBox controls_ebox;
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Gtk::VBox controls_vbox;
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Gtk::DrawingArea resizer;
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Gtk::HBox resizer_box;
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Gtk::HBox name_hbox;
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Gtk::Frame name_frame;
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Gtkmm2ext::FocusEntry name_entry;
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bool resizer_button_press (GdkEventButton*);
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bool resizer_button_release (GdkEventButton*);
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sigc::connection resizer_motion_signal;
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bool resizer_motion (GdkEventMotion*);
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bool resizer_expose (GdkEventExpose*);
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double resize_drag_start;
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int32_t resize_idle_target;
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void idle_resize (uint32_t);
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void hide_name_label ();
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void hide_name_entry ();
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void show_name_label ();
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void show_name_entry ();
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/**
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* Display this TrackView as the nth component of the parent box, at y.
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*
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* @param y
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* @param nth
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* @param parent the parent component
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* @return the height of this TrackView
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*/
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virtual guint32 show_at (double y, int& nth, Gtk::VBox *parent);
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void clip_to_viewport ();
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bool touched (double top, double bot);
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/**
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* Hides this TrackView
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*/
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virtual void hide ();
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bool hidden() const { return _hidden; }
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virtual void show_selected (Selection&);
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/**
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* potential handler for entered events
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*/
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virtual void entered () {}
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virtual void exited () {}
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virtual void set_height (uint32_t h);
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void reset_height();
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/**
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* Returns a TimeAxisView* if this object covers y, or one of its children does.
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* If the covering object is a child axis, then the child is returned.
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* Returns 0 otherwise.
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*/
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TimeAxisView* covers_y_position (double y);
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/**
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* Steps through the defined heights for this TrackView.
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* Sets bigger to true to step up in size, set to fals eot step smaller.
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*
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* @param bigger true if stepping should increase in size, false otherwise
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*/
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virtual void step_height (bool bigger);
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virtual ARDOUR::RouteGroup* edit_group() const { return 0; }
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virtual boost::shared_ptr<ARDOUR::Playlist> playlist() const { return boost::shared_ptr<ARDOUR::Playlist> (); }
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virtual void show_feature_lines (const ARDOUR::AnalysisFeatureList&);
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virtual void hide_feature_lines ();
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virtual void set_samples_per_unit (double);
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virtual void show_selection (TimeSelection&);
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virtual void hide_selection ();
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virtual void reshow_selection (TimeSelection&);
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virtual void show_timestretch (nframes_t start, nframes_t end);
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virtual void hide_timestretch ();
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virtual void hide_dependent_views (TimeAxisViewItem&) {}
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virtual void reveal_dependent_views (TimeAxisViewItem&) {}
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/* editing operations */
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virtual bool cut_copy_clear (Selection&, Editing::CutCopyOp) { return false; }
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virtual bool paste (nframes_t, float times, Selection&, size_t nth) { return false; }
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virtual void set_selected_regionviews (RegionSelection&) {}
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virtual void set_selected_points (PointSelection&) {}
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virtual boost::shared_ptr<ARDOUR::Region> find_next_region (nframes_t pos, ARDOUR::RegionPoint, int32_t dir) {
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return boost::shared_ptr<ARDOUR::Region> ();
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}
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void order_selection_trims (ArdourCanvas::Item *item, bool put_start_on_top);
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virtual void get_selectables (nframes_t start, nframes_t end, double top, double bot, list<Selectable*>& results);
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virtual void get_inverted_selectables (Selection&, list<Selectable *>& results);
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/* called at load time when first GUI idle occurs. put
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expensive data loading/redisplay code in here.
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*/
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virtual void first_idle () {}
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/* state/serialization management */
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void set_parent (TimeAxisView& p);
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TimeAxisView *get_parent () {return parent;}
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bool has_state () const;
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/* call this on the parent */
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virtual XMLNode* get_child_xml_node (const string & childname) { return 0; }
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protected:
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uint32_t height; /* in canvas units */
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string controls_base_unselected_name;
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string controls_base_selected_name;
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bool name_entry_button_press (GdkEventButton *ev);
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bool name_entry_button_release (GdkEventButton *ev);
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bool name_entry_key_release (GdkEventKey *ev);
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void name_entry_activated ();
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sigc::connection name_entry_key_timeout;
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bool name_entry_key_timed_out ();
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guint32 last_name_entry_key_press_event;
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/* derived classes can override these */
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virtual void name_entry_changed ();
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virtual bool name_entry_focus_in (GdkEventFocus *ev);
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virtual bool name_entry_focus_out (GdkEventFocus *ev);
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/**
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* Handle mouse relaese on our LHS control name ebox.
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*
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*@ param ev the event
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*/
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virtual bool controls_ebox_button_release (GdkEventButton *ev);
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virtual bool controls_ebox_scroll (GdkEventScroll *ev);
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/**
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* Displays the standard LHS control menu at when.
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*
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* @param when the popup activation time
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*/
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virtual void popup_display_menu (guint32 when);
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/**
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* Build the standard LHS control menu.
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* Subclasses should extend this method to add their own menu options.
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*
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*/
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virtual void build_display_menu ();
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/**
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* Do anything that needs to be done to dynamically reset
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* the LHS control menu.
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*/
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virtual bool handle_display_menu_map_event (GdkEventAny *ev) { return false; }
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/**
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* Build the standard LHS control size menu for the default heights options.
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*
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*/
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virtual void build_size_menu();
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/**
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* Displays the standard LHS controls size menu for the track heights
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*
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* @parem when the popup activation time
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*/
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void popup_size_menu(guint32 when);
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/**
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* Handle the size option of out main menu.
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*
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* @param ev the event
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*/
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gint size_click(GdkEventButton *ev);
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/* The standard LHS Track control popup-menus */
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Gtk::Menu *display_menu;
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Gtk::Menu *size_menu;
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Gtk::Label name_label;
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TimeAxisView* parent;
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/* find the parent with state */
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TimeAxisView* get_parent_with_state();
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std::vector<TimeAxisView*> children;
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bool is_child (TimeAxisView*);
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void remove_child (TimeAxisView*);
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void add_child (TimeAxisView*);
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/* selection display */
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ArdourCanvas::Group *selection_group;
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list<SelectionRect*> free_selection_rects;
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list<SelectionRect*> used_selection_rects;
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SelectionRect* get_selection_rect(uint32_t id);
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virtual void selection_click (GdkEventButton*);
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bool _hidden;
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bool _has_state;
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NamePackingBits name_packing;
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static void compute_controls_size_info ();
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static bool need_size_info;
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void set_heights (uint32_t h);
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void color_handler ();
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list<ArdourCanvas::SimpleLine*> feature_lines;
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ARDOUR::AnalysisFeatureList analysis_features;
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void reshow_feature_lines ();
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void conditionally_add_to_selection ();
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}; /* class TimeAxisView */
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#endif /* __ardour_gtk_time_axis_h__ */
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