291 lines
7.1 KiB
C++
291 lines
7.1 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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$Id$
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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.h>
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#include <libgnomecanvas/libgnomecanvas.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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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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class PublicEditor;
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class AudioRegionSelection;
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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
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{
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public:
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enum TrackHeight {
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/* canvas units. they need to be odd
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valued so that there is a precise
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middle.
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*/
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Largest = 301,
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Large = 201,
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Larger = 101,
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Normal = 51,
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Smaller = 31,
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Small = 21
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};
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TimeAxisView(ARDOUR::Session& sess, PublicEditor& ed, TimeAxisView* parent, Gtk::Widget *canvas);
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virtual ~TimeAxisView ();
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/* public data: XXX create accessor/mutators for these ?? */
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PublicEditor& editor;
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guint32 height; /* in canvas units */
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guint32 effective_height; /* in canvas units */
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double y_position;
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int order;
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GnomeCanvasItem *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::HBox name_hbox;
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Gtk::Frame name_frame;
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Gtk::Entry 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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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 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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/**
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* Sets the height of this TrackView to one of ths TrackHeghts
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*
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* @param h the TrackHeight value to set
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*/
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virtual void set_height (TrackHeight h);
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void reset_height();
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/**
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* Steps through the defined TrackHeights 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 ARDOUR::Playlist* playlist() const { return 0; }
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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 (jack_nframes_t start, jack_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 (jack_nframes_t, float times, Selection&, size_t nth) { return false; }
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virtual void set_selected_regionviews (AudioRegionSelection&) {}
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virtual void set_selected_points (PointSelection&) {}
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virtual ARDOUR::Region* find_next_region (jack_nframes_t pos, ARDOUR::RegionPoint, int32_t dir) {
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return 0;
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}
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void order_selection_trims (GnomeCanvasItem *item, bool put_start_on_top);
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virtual void get_selectables (jack_nframes_t start, jack_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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/* state/serialization management */
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void set_parent (TimeAxisView& p);
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bool has_state () const;
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virtual void set_state (const XMLNode&);
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virtual XMLNode* get_state_node () { return 0; }
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/* call this on the parent */
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virtual XMLNode* get_child_xml_node (std::string childname) { return 0; }
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protected:
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string controls_base_unselected_name;
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string controls_base_selected_name;
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/**
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* Handle mouse press on our LHS control name entry.
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*
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* @param ev the event
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*/
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virtual gint name_entry_button_press (GdkEventButton *ev);
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/**
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* Handle mouse relaese on our LHS control name entry.
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*
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*@ param ev the event
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*/
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virtual gint name_entry_button_release (GdkEventButton *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 gint controls_ebox_button_release (GdkEventButton *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 gint 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 TrackHeight 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 TrackHeight.
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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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GnomeCanvasItem *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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}; /* class TimeAxisView */
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#endif /* __ardour_gtk_time_axis_h__ */
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