304 lines
8.8 KiB
C++
304 lines
8.8 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 "pbd/signals.h"
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#include "ardour/types.h"
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#include "ardour/region.h"
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#include "evoral/Parameter.hpp"
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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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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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namespace ArdourCanvas {
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class Canvas;
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class Container;
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class Item;
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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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class RegionView;
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class GhostRegion;
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class StreamView;
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class ArdourDialog;
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/** Abstract base class for time-axis views (horizontal editor 'strips')
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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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class TimeAxisView : public virtual AxisView
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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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TimeAxisView(ARDOUR::Session* sess, PublicEditor& ed, TimeAxisView* parent, ArdourCanvas::Canvas& canvas);
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virtual ~TimeAxisView ();
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static PBD::Signal1<void,TimeAxisView*> CatchDeletion;
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/** @return index of this TimeAxisView within its parent */
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int order () const { return _order; }
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/** @return maximum allowable value of order */
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static int max_order () { return _max_order; }
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virtual void enter_internal_edit_mode () {}
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virtual void leave_internal_edit_mode () {}
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ArdourCanvas::Container* canvas_display () { return _canvas_display; }
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ArdourCanvas::Container* ghost_group () { return _ghost_group; }
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/** @return effective height (taking children into account) in canvas units, or
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0 if this TimeAxisView has not yet been shown */
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uint32_t effective_height () const { return _effective_height; }
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/** @return y position, or -1 if hidden */
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double y_position () const { return _y_position; }
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/** @return our Editor */
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PublicEditor& editor () const { return _editor; }
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uint32_t current_height() const { return height; }
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void idle_resize (uint32_t);
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virtual guint32 show_at (double y, int& nth, Gtk::VBox *parent);
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virtual void hide ();
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bool touched (double top, double bot);
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/** @return true if hidden, otherwise false */
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bool hidden () const { return _hidden; }
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void set_selected (bool);
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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 set_height_enum (Height, bool apply_to_selection = false);
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void reset_height();
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virtual void reset_visual_state ();
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std::pair<TimeAxisView*, double> covers_y_position (double) const;
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bool covered_by_y_range (double y0, double y1) const;
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virtual void step_height (bool);
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virtual ARDOUR::RouteGroup* route_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 set_samples_per_pixel (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 (framepos_t start, framepos_t end, int layers, int layer);
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virtual void hide_timestretch ();
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/* editing operations */
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virtual void cut_copy_clear (Selection&, Editing::CutCopyOp) {}
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virtual bool paste (ARDOUR::framepos_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 void fade_range (TimeSelection&) {}
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virtual boost::shared_ptr<ARDOUR::Region> find_next_region (framepos_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 (ARDOUR::framepos_t, ARDOUR::framepos_t, double, double, std::list<Selectable*>&);
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virtual void get_inverted_selectables (Selection&, std::list<Selectable *>& results);
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void add_ghost (RegionView*);
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void remove_ghost (RegionView*);
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void erase_ghost (GhostRegion*);
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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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virtual void first_idle () {}
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TimeAxisView* get_parent () { return parent; }
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void set_parent (TimeAxisView& p);
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virtual LayerDisplay layer_display () const { return Overlaid; }
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virtual StreamView* view () const { return 0; }
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typedef std::vector<boost::shared_ptr<TimeAxisView> > Children;
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Children get_child_list ();
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SelectionRect* get_selection_rect(uint32_t id);
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static uint32_t preset_height (Height);
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protected:
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/* The Standard LHS Controls */
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Gtk::HBox controls_hbox;
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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::VBox time_axis_vbox;
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Gtk::HBox name_hbox;
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Gtk::Label name_label;
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bool _name_editing;
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uint32_t height; /* in canvas units */
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std::string controls_base_unselected_name;
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std::string controls_base_selected_name;
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Gtk::Menu* display_menu; /* The standard LHS Track control popup-menus */
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TimeAxisView* parent;
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ArdourCanvas::Container* selection_group;
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ArdourCanvas::Container* _ghost_group;
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std::list<GhostRegion*> ghosts;
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std::list<SelectionRect*> free_selection_rects;
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std::list<SelectionRect*> used_selection_rects;
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bool _hidden;
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bool in_destructor;
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Gtk::Menu* _size_menu;
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ArdourCanvas::Container* _canvas_display;
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double _y_position;
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PublicEditor& _editor;
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virtual bool can_edit_name() const;
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bool name_entry_key_release (GdkEventKey *ev);
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bool name_entry_key_press (GdkEventKey *ev);
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bool name_entry_focus_out (GdkEventFocus *ev);
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Gtk::Entry* name_entry;
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void begin_name_edit ();
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void end_name_edit (int);
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/* derived classes can override these */
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virtual void name_entry_changed ();
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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*);
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virtual bool controls_ebox_scroll (GdkEventScroll*);
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virtual bool controls_ebox_button_press (GdkEventButton*);
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virtual bool controls_ebox_motion (GdkEventMotion*);
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virtual bool controls_ebox_leave (GdkEventCrossing*);
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/** Display 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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/** 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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virtual void build_display_menu ();
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/** Do whatever needs to be done to dynamically reset 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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Children children;
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bool is_child (TimeAxisView*);
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virtual void remove_child (boost::shared_ptr<TimeAxisView>);
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void add_child (boost::shared_ptr<TimeAxisView>);
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/* selection display */
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virtual void selection_click (GdkEventButton*);
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void color_handler ();
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void conditionally_add_to_selection ();
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void build_size_menu ();
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private:
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Gtk::VBox* control_parent;
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int _order;
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uint32_t _effective_height;
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double _resize_drag_start;
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GdkCursor* _preresize_cursor;
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bool _have_preresize_cursor;
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bool _ebox_release_can_act;
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static uint32_t button_height;
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static uint32_t extra_height;
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static int const _max_order;
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void compute_heights ();
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bool maybe_set_cursor (int y);
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}; /* class TimeAxisView */
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#endif /* __ardour_gtk_time_axis_h__ */
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