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livetrax/gtk2_ardour/time_axis_view.h

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/*
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.
$Id$
*/
#ifndef __ardour_gtk_time_axis_h__
#define __ardour_gtk_time_axis_h__
#include <vector>
#include <list>
#include <gtkmm/box.h>
#include <gtkmm/frame.h>
#include <gtkmm/eventbox.h>
#include <gtkmm/table.h>
#include <gtkmm/entry.h>
#include <gtkmm/label.h>
#include <ardour/types.h>
#include <ardour/region.h>
#include "prompter.h"
#include "axis_view.h"
#include "enums.h"
#include "editing.h"
#include "canvas.h"
#include "color.h"
namespace ARDOUR {
class Session;
class Region;
class Session;
class RouteGroup;
class Playlist;
}
namespace Gtk {
class Menu;
}
class PublicEditor;
class AudioRegionSelection;
class TimeSelection;
class PointSelection;
class TimeAxisViewItem;
class Selection;
class Selectable;
/**
* TimeAxisView defines the abstract base class for time-axis views.
*
* This class provides the basic LHS controls and display methods. This should be
* extended to create functional time-axis based views.
*
*/
class TimeAxisView : public virtual AxisView
{
private:
enum NamePackingBits {
NameLabelPacked = 0x1,
NameEntryPacked = 0x2
};
public:
enum TrackHeight {
Largest,
Large,
Larger,
Normal,
Smaller,
Small
};
static uint32_t hLargest;
static uint32_t hLarge;
static uint32_t hLarger;
static uint32_t hNormal;
static uint32_t hSmaller;
static uint32_t hSmall;
static uint32_t height_to_pixels (TrackHeight);
TimeAxisView(ARDOUR::Session& sess, PublicEditor& ed, TimeAxisView* parent, ArdourCanvas::Canvas& canvas);
virtual ~TimeAxisView ();
/* public data: XXX create accessor/mutators for these ?? */
PublicEditor& editor;
TrackHeight height_style;
uint32_t height; /* in canvas units */
uint32_t effective_height; /* in canvas units */
double y_position;
int order;
ArdourCanvas::Group *canvas_display;
Gtk::VBox *control_parent;
/* The Standard LHS Controls */
Gtk::Frame controls_frame;
Gtk::HBox controls_hbox;
Gtk::EventBox controls_lhs_pad;
Gtk::Table controls_table;
Gtk::EventBox controls_ebox;
Gtk::VBox controls_vbox;
Gtk::HBox name_hbox;
Gtk::Frame name_frame;
Gtk::Entry name_entry;
void hide_name_label ();
void hide_name_entry ();
void show_name_label ();
void show_name_entry ();
/**
* Display this TrackView as the nth component of the parent box, at y.
*
* @param y
* @param nth
* @param parent the parent component
* @return the height of this TrackView
*/
virtual guint32 show_at (double y, int& nth, Gtk::VBox *parent);
bool touched (double top, double bot);
/**
* Hides this TrackView
*/
virtual void hide ();
bool hidden() const { return _hidden; }
virtual void set_selected (bool);
/**
* potential handler for entered events
*/
virtual void entered () {}
virtual void exited () {}
virtual void set_height (TrackHeight h);
void reset_height();
/**
* Steps through the defined heights for this TrackView.
* Sets bigger to true to step up in size, set to fals eot step smaller.
*
* @param bigger true if stepping should increase in size, false otherwise
*/
virtual void step_height (bool bigger);
virtual ARDOUR::RouteGroup* edit_group() const { return 0; }
virtual ARDOUR::Playlist* playlist() const { return 0; }
virtual void set_samples_per_unit (double);
virtual void show_selection (TimeSelection&);
virtual void hide_selection ();
virtual void reshow_selection (TimeSelection&);
virtual void show_timestretch (jack_nframes_t start, jack_nframes_t end);
virtual void hide_timestretch ();
virtual void hide_dependent_views (TimeAxisViewItem&) {}
virtual void reveal_dependent_views (TimeAxisViewItem&) {}
/* editing operations */
virtual bool cut_copy_clear (Selection&, Editing::CutCopyOp) { return false; }
virtual bool paste (jack_nframes_t, float times, Selection&, size_t nth) { return false; }
virtual void set_selected_regionviews (AudioRegionSelection&) {}
virtual void set_selected_points (PointSelection&) {}
virtual ARDOUR::Region* find_next_region (jack_nframes_t pos, ARDOUR::RegionPoint, int32_t dir) {
return 0;
}
void order_selection_trims (ArdourCanvas::Item *item, bool put_start_on_top);
virtual void get_selectables (jack_nframes_t start, jack_nframes_t end, double top, double bot, list<Selectable*>& results);
virtual void get_inverted_selectables (Selection&, list<Selectable *>& results);
/* state/serialization management */
void set_parent (TimeAxisView& p);
bool has_state () const;
virtual void set_state (const XMLNode&);
virtual XMLNode* get_state_node () { return 0; }
/* call this on the parent */
virtual XMLNode* get_child_xml_node (const string & childname) { return 0; }
protected:
string controls_base_unselected_name;
string controls_base_selected_name;
bool name_entry_button_press (GdkEventButton *ev);
bool name_entry_button_release (GdkEventButton *ev);
bool name_entry_key_release (GdkEventKey *ev);
void name_entry_activated ();
sigc::connection name_entry_key_timeout;
bool name_entry_key_timed_out ();
guint32 last_name_entry_key_press_event;
/* derived classes can override these */
virtual void name_entry_changed ();
virtual bool name_entry_focus_in (GdkEventFocus *ev);
virtual bool name_entry_focus_out (GdkEventFocus *ev);
/**
* Handle mouse relaese on our LHS control name ebox.
*
*@ param ev the event
*/
virtual bool controls_ebox_button_release (GdkEventButton *ev);
virtual bool controls_ebox_scroll (GdkEventScroll *ev);
/**
* Displays the standard LHS control menu at when.
*
* @param when the popup activation time
*/
virtual void popup_display_menu (guint32 when);
/**
* Build the standard LHS control menu.
* Subclasses should extend this method to add their own menu options.
*
*/
virtual void build_display_menu ();
/**
* Do anything that needs to be done to dynamically reset
* the LHS control menu.
*/
virtual bool handle_display_menu_map_event (GdkEventAny *ev) { return false; }
/**
* Build the standard LHS control size menu for the default heights options.
*
*/
virtual void build_size_menu();
/**
* Displays the standard LHS controls size menu for the track heights
*
* @parem when the popup activation time
*/
void popup_size_menu(guint32 when);
/**
* Handle the size option of out main menu.
*
* @param ev the event
*/
gint size_click(GdkEventButton *ev);
/* The standard LHS Track control popup-menus */
Gtk::Menu *display_menu;
Gtk::Menu *size_menu;
Gtk::Label name_label;
TimeAxisView* parent;
/* find the parent with state */
TimeAxisView* get_parent_with_state();
std::vector<TimeAxisView*> children;
bool is_child (TimeAxisView*);
void remove_child (TimeAxisView*);
void add_child (TimeAxisView*);
/* selection display */
ArdourCanvas::Group *selection_group;
list<SelectionRect*> free_selection_rects;
list<SelectionRect*> used_selection_rects;
SelectionRect* get_selection_rect(uint32_t id);
virtual void selection_click (GdkEventButton*);
bool _hidden;
bool _has_state;
NamePackingBits name_packing;
static void compute_controls_size_info ();
static bool need_size_info;
void set_height_pixels (uint32_t h);
void color_handler (ColorID, uint32_t);
}; /* class TimeAxisView */
#endif /* __ardour_gtk_time_axis_h__ */