public_editor.h

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/*
    Copyright (C) 2000-2007 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.

*/

#ifndef __gtk_ardour_public_editor_h__
#define __gtk_ardour_public_editor_h__

#ifdef WAF_BUILD
#include "gtk2ardour-config.h"
#endif

#include <map>

#include <string>
#include <glib.h>
#include <gdk/gdktypes.h>
#include <gtkmm/box.h>
#include <gtkmm/window.h>
#include <gtkmm/actiongroup.h>
#include <sigc++/signal.h>

#include "evoral/Note.hpp"
#include "evoral/types.hpp"

#include "pbd/statefuldestructible.h"

#include "canvas/fwd.h"
#include "gtkmm2ext/visibility_tracker.h"

#include "editing.h"
#include "selection.h"

namespace ARDOUR {
        class Session;
        class Region;
        class Playlist;
        class RouteGroup;
        class Trimmable;
        class Movable;
}

namespace Gtk {
        class Container;
        class Menu;
}

namespace Gtkmm2ext {
        class TearOff;
}

class AudioRegionView;
class AutomationLine;
class AutomationTimeAxisView;
class ControlPoint;
class DragManager;
class Editor;
class Marker;
class MeterMarker;
class MouseCursors;
class PlaylistSelector;
class PluginSelector;
class PluginUIWindow;
class RegionView;
class RouteTimeAxisView;
class Selection;
class TempoMarker;
class TimeAxisView;
class TimeAxisViewItem;
class VerboseCursor;
class XMLNode;
struct SelectionRect;

class DisplaySuspender;

namespace ARDOUR_UI_UTILS {
bool relay_key_press (GdkEventKey* ev, Gtk::Window* win);
bool forward_key_press (GdkEventKey* ev);
}

using ARDOUR::framepos_t;
using ARDOUR::framecnt_t;


class PublicEditor : public Gtk::Window, public PBD::StatefulDestructible, public Gtkmm2ext::VisibilityTracker {
  public:
        PublicEditor ();
        virtual ~PublicEditor ();

        static PublicEditor& instance () { return *_instance; }

        virtual bool have_idled() const = 0;
        virtual void first_idle() = 0;

        virtual void setup_tooltips() = 0;

        virtual void set_session (ARDOUR::Session* s) = 0;

        virtual ARDOUR::Session* session () const = 0;

        virtual void set_snap_to (Editing::SnapType t) = 0;

        virtual Editing::SnapType snap_type () const = 0;
        virtual Editing::SnapMode snap_mode () const = 0;

        virtual void set_snap_mode (Editing::SnapMode m) = 0;

        virtual void set_snap_threshold (double t) = 0;

        virtual void snap_to (framepos_t&       first,
                              ARDOUR::RoundMode direction = ARDOUR::RoundNearest,
                              bool              for_mark  = false) = 0;

        virtual void undo (uint32_t n = 1) = 0;

        virtual void redo (uint32_t n = 1) = 0;

        virtual void set_mouse_mode (Editing::MouseMode m, bool force = false) = 0;

        virtual void step_mouse_mode (bool next) = 0;

        virtual Editing::MouseMode current_mouse_mode () const = 0;

        virtual bool internal_editing() const = 0;

        virtual void consider_auditioning (boost::shared_ptr<ARDOUR::Region> r) = 0;

        virtual void new_region_from_selection () = 0;
        virtual void separate_region_from_selection () = 0;

        virtual void transition_to_rolling (bool fwd) = 0;
        virtual framepos_t pixel_to_sample (double pixel) const = 0;
        virtual double sample_to_pixel (framepos_t frame) const = 0;
        virtual double sample_to_pixel_unrounded (framepos_t frame) const = 0;
        virtual Selection& get_selection () const = 0;
        virtual Selection& get_cut_buffer () const = 0;
        virtual void track_mixer_selection () = 0;
        virtual bool extend_selection_to_track (TimeAxisView&) = 0;
        virtual void play_selection () = 0;
        virtual void play_with_preroll () = 0;
        virtual void maybe_locate_with_edit_preroll (framepos_t location) = 0;
        virtual void goto_nth_marker (int nth) = 0;
        virtual void add_location_from_playhead_cursor () = 0;
        virtual void remove_location_at_playhead_cursor () = 0;
        virtual void set_show_measures (bool yn) = 0;
        virtual bool show_measures () const = 0;
        virtual void remove_tracks () = 0;
        
        virtual Editing::MouseMode effective_mouse_mode () const = 0;

        virtual void do_import (std::vector<std::string> paths, Editing::ImportDisposition, Editing::ImportMode mode, ARDOUR::SrcQuality, framepos_t&, boost::shared_ptr<ARDOUR::PluginInfo> instrument=boost::shared_ptr<ARDOUR::PluginInfo>()) = 0;
        virtual void do_embed (std::vector<std::string> paths, Editing::ImportDisposition, Editing::ImportMode mode,  framepos_t&, boost::shared_ptr<ARDOUR::PluginInfo> instrument=boost::shared_ptr<ARDOUR::PluginInfo>()) = 0;

        virtual void export_audio () = 0;

        virtual void stem_export () = 0;

        virtual void export_selection () = 0;

        virtual void export_range () = 0;

        virtual void register_actions () = 0;
        virtual void add_transport_frame (Gtk::Container&) = 0;
        virtual void add_toplevel_menu (Gtk::Container&) = 0;
        virtual void set_zoom_focus (Editing::ZoomFocus) = 0;
        virtual Editing::ZoomFocus get_zoom_focus () const = 0;
        virtual framecnt_t get_current_zoom () const = 0;
        virtual void reset_zoom (framecnt_t) = 0;
        virtual PlaylistSelector& playlist_selector() const = 0;
        virtual void clear_playlist (boost::shared_ptr<ARDOUR::Playlist>) = 0;
        virtual void new_playlists (TimeAxisView*) = 0;
        virtual void copy_playlists (TimeAxisView*) = 0;
        virtual void clear_playlists (TimeAxisView*) = 0;
        virtual void select_all_tracks () = 0;
        virtual void deselect_all () = 0;
        virtual void set_selected_track (TimeAxisView&, Selection::Operation op = Selection::Set, bool no_remove = false) = 0;
        virtual void set_selected_mixer_strip (TimeAxisView&) = 0;
        virtual void hide_track_in_display (TimeAxisView* tv, bool apply_to_selection = false) = 0;

        virtual void set_stationary_playhead (bool yn) = 0;
        virtual void toggle_stationary_playhead () = 0;
        virtual bool stationary_playhead() const = 0;

        virtual void set_follow_playhead (bool yn, bool catch_up = false) = 0;

        virtual void toggle_follow_playhead () = 0;

        virtual bool follow_playhead () const = 0;

        virtual bool dragging_playhead () const = 0;
        virtual void ensure_float (Gtk::Window&) = 0;
        virtual void show_window () = 0;
        virtual framepos_t leftmost_sample() const = 0;
        virtual framecnt_t current_page_samples() const = 0;
        virtual double visible_canvas_height () const = 0;
        virtual void temporal_zoom_step (bool coarser) = 0;
        virtual void ensure_time_axis_view_is_visible (TimeAxisView const & tav, bool at_top = false) = 0;
        virtual void override_visible_track_count () = 0;
        virtual void scroll_tracks_down_line () = 0;
        virtual void scroll_tracks_up_line () = 0;
        virtual bool scroll_down_one_track (bool skip_child_views = false) = 0;
        virtual bool scroll_up_one_track (bool skip_child_views = false) = 0;
        virtual void prepare_for_cleanup () = 0;
        virtual void finish_cleanup () = 0;
        virtual void reset_x_origin (framepos_t frame) = 0;
        virtual double get_y_origin () const = 0;
        virtual void reset_y_origin (double pos) = 0;
        virtual void remove_last_capture () = 0;
        virtual void maximise_editing_space () = 0;
        virtual void restore_editing_space () = 0;
        virtual void update_tearoff_visibility () = 0;
        virtual void reattach_all_tearoffs () = 0;
        virtual framepos_t get_preferred_edit_position (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE, bool from_context_menu = false, bool from_outside_canvas = false) = 0;
        virtual void toggle_meter_updating() = 0;
        virtual void split_regions_at (framepos_t, RegionSelection&) = 0;
        virtual void split_region_at_points (boost::shared_ptr<ARDOUR::Region>, ARDOUR::AnalysisFeatureList&, bool can_ferret, bool select_new = false) = 0;
        virtual void mouse_add_new_marker (framepos_t where, bool is_cd=false) = 0;
        virtual void foreach_time_axis_view (sigc::slot<void,TimeAxisView&>) = 0;
        virtual void add_to_idle_resize (TimeAxisView*, int32_t) = 0;
        virtual framecnt_t get_nudge_distance (framepos_t pos, framecnt_t& next) = 0;
        virtual framecnt_t get_paste_offset (framepos_t pos, unsigned paste_count, framecnt_t duration) = 0;
        virtual unsigned get_grid_beat_divisions(framepos_t position) = 0;
        virtual Evoral::Beats get_grid_type_as_beats (bool& success, framepos_t position) = 0;
        virtual void edit_notes (MidiRegionView*) = 0;

        virtual void queue_visual_videotimeline_update () = 0;
        virtual void set_close_video_sensitive (bool) = 0;
        virtual void toggle_ruler_video (bool) = 0;
        virtual void toggle_xjadeo_proc (int) = 0;
        virtual void toggle_xjadeo_viewoption (int, int) = 0;
        virtual void set_xjadeo_sensitive (bool onoff) = 0;
        virtual int  get_videotl_bar_height () const = 0;
        virtual void set_video_timeline_height (const int h) = 0;
        virtual void embed_audio_from_video (std::string, framepos_t n = 0, bool lock_position_to_video = true) = 0;

        virtual RouteTimeAxisView* get_route_view_by_route_id (const PBD::ID& id) const = 0;

        virtual void get_equivalent_regions (RegionView* rv, std::vector<RegionView*>&, PBD::PropertyID) const = 0;

        sigc::signal<void> ZoomChanged;
        sigc::signal<void> Realized;
        sigc::signal<void,framepos_t> UpdateAllTransportClocks;

        static sigc::signal<void> DropDownKeys;

        Glib::RefPtr<Gtk::ActionGroup> editor_actions;
        Glib::RefPtr<Gtk::ActionGroup> editor_menu_actions;
        Glib::RefPtr<Gtk::ActionGroup> _region_actions;

        virtual void reset_focus () = 0;

        virtual bool canvas_scroll_event (GdkEventScroll* event, bool from_canvas) = 0;
        virtual bool canvas_control_point_event (GdkEvent* event, ArdourCanvas::Item*, ControlPoint*) = 0;
        virtual bool canvas_line_event (GdkEvent* event, ArdourCanvas::Item*, AutomationLine*) = 0;
        virtual bool canvas_selection_rect_event (GdkEvent* event, ArdourCanvas::Item*, SelectionRect*) = 0;
        virtual bool canvas_selection_start_trim_event (GdkEvent* event, ArdourCanvas::Item*, SelectionRect*) = 0;
        virtual bool canvas_selection_end_trim_event (GdkEvent* event, ArdourCanvas::Item*, SelectionRect*) = 0;
        virtual bool canvas_start_xfade_event (GdkEvent* event, ArdourCanvas::Item*, AudioRegionView*) = 0;
        virtual bool canvas_end_xfade_event (GdkEvent* event, ArdourCanvas::Item*, AudioRegionView*) = 0;
        virtual bool canvas_fade_in_event (GdkEvent* event, ArdourCanvas::Item*, AudioRegionView*) = 0;
        virtual bool canvas_fade_in_handle_event (GdkEvent* event, ArdourCanvas::Item*, AudioRegionView*, bool) = 0;
        virtual bool canvas_fade_out_event (GdkEvent* event, ArdourCanvas::Item*, AudioRegionView*) = 0;
        virtual bool canvas_fade_out_handle_event (GdkEvent* event, ArdourCanvas::Item*, AudioRegionView*, bool) = 0;
        virtual bool canvas_region_view_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*) = 0;
        virtual bool canvas_wave_view_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*) = 0;
        virtual bool canvas_frame_handle_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*) = 0;
        virtual bool canvas_region_view_name_highlight_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*) = 0;
        virtual bool canvas_region_view_name_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*) = 0;
        virtual bool canvas_feature_line_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*) = 0;
        virtual bool canvas_stream_view_event (GdkEvent* event, ArdourCanvas::Item*, RouteTimeAxisView*) = 0;
        virtual bool canvas_marker_event (GdkEvent* event, ArdourCanvas::Item*, Marker*) = 0;
        virtual bool canvas_videotl_bar_event (GdkEvent* event, ArdourCanvas::Item*) = 0;
        virtual bool canvas_tempo_marker_event (GdkEvent* event, ArdourCanvas::Item*, TempoMarker*) = 0;
        virtual bool canvas_meter_marker_event (GdkEvent* event, ArdourCanvas::Item*, MeterMarker*) = 0;
        virtual bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*) = 0;

        virtual bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*) = 0;
        virtual bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*) = 0;
        virtual bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*) = 0;
        virtual bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*) = 0;
        virtual bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*) = 0;
        virtual bool canvas_note_event (GdkEvent* event, ArdourCanvas::Item*) = 0;

        static const int window_border_width;
        static const int container_border_width;
        static const int vertical_spacing;
        static const int horizontal_spacing;

#ifdef TOP_MENUBAR
        /*
         * This is needed for OS X primarily
         * but also any other OS that uses a single
         * top menubar instead of per window menus
         */
        virtual Gtk::HBox& get_status_bar_packer() = 0;
#endif

        virtual ArdourCanvas::Container* get_trackview_group () const = 0;
        virtual ArdourCanvas::ScrollGroup* get_hscroll_group () const = 0;
        virtual ArdourCanvas::ScrollGroup* get_hvscroll_group () const = 0;
        virtual ArdourCanvas::ScrollGroup* get_cursor_scroll_group () const = 0;

        virtual ArdourCanvas::GtkCanvasViewport* get_track_canvas() const = 0;

        virtual TimeAxisView* axis_view_from_route (boost::shared_ptr<ARDOUR::Route>) const = 0;

        virtual void set_current_trimmable (boost::shared_ptr<ARDOUR::Trimmable>) = 0;
        virtual void set_current_movable (boost::shared_ptr<ARDOUR::Movable>) = 0;

        virtual void center_screen (framepos_t) = 0;

        virtual TrackViewList axis_views_from_routes (boost::shared_ptr<ARDOUR::RouteList>) const = 0;
        virtual TrackViewList const & get_track_views () = 0;

        virtual Gtkmm2ext::TearOff* mouse_mode_tearoff () const = 0;
        virtual Gtkmm2ext::TearOff* tools_tearoff () const = 0;

        virtual DragManager* drags () const = 0;
        virtual void maybe_autoscroll (bool, bool, bool from_headers) = 0;
        virtual void stop_canvas_autoscroll () = 0;
        virtual bool autoscroll_active() const = 0;

        virtual void begin_reversible_selection_op (std::string cmd_name) = 0;
        virtual void commit_reversible_selection_op () = 0;
        virtual void begin_reversible_command (std::string cmd_name) = 0;
        virtual void begin_reversible_command (GQuark) = 0;
        virtual void abort_reversible_command () = 0;
        virtual void commit_reversible_command () = 0;

        virtual MouseCursors const * cursors () const = 0;
        virtual VerboseCursor * verbose_cursor () const = 0;

        virtual bool get_smart_mode () const = 0;

        virtual void get_pointer_position (double &, double &) const = 0;

        virtual ARDOUR::Location* find_location_from_marker (Marker *, bool &) const = 0;
        virtual Marker* find_marker_from_location_id (PBD::ID const &, bool) const = 0;

        virtual void snap_to_with_modifier (framepos_t &      first,
                                            GdkEvent const *  ev,
                                            ARDOUR::RoundMode direction = ARDOUR::RoundNearest,
                                            bool              for_mark  = false) = 0;

        virtual void get_regions_at (RegionSelection &, framepos_t where, TrackViewList const &) const = 0;
        virtual RegionSelection get_regions_from_selection_and_mouse (framepos_t) = 0;
        virtual void get_regionviews_by_id (PBD::ID const id, RegionSelection & regions) const = 0;
        virtual void get_per_region_note_selection (std::list<std::pair<PBD::ID, std::set<boost::shared_ptr<Evoral::Note<Evoral::Beats> > > > >&) const = 0;

        virtual void mouse_add_new_tempo_event (framepos_t where) = 0;
        virtual void mouse_add_new_meter_event (framepos_t where) = 0;
        virtual void edit_tempo_section (ARDOUR::TempoSection*) = 0;
        virtual void edit_meter_section (ARDOUR::MeterSection*) = 0;


        static PublicEditor* _instance;

        friend bool ARDOUR_UI_UTILS::relay_key_press (GdkEventKey*, Gtk::Window*);
        friend bool ARDOUR_UI_UTILS::forward_key_press (GdkEventKey*);

        PBD::Signal0<void> SnapChanged;
        PBD::Signal0<void> MouseModeChanged;

  protected:
        friend class DisplaySuspender;
        virtual void suspend_route_redisplay () = 0;
        virtual void resume_route_redisplay () = 0;
        gint _suspend_route_redisplay_counter;
};

class DisplaySuspender {
        public:
                DisplaySuspender() {
                        if (g_atomic_int_add(&PublicEditor::instance()._suspend_route_redisplay_counter, 1) == 0) {
                                PublicEditor::instance().suspend_route_redisplay ();
                        }
                }
                ~DisplaySuspender () {
                        if (g_atomic_int_dec_and_test (&PublicEditor::instance()._suspend_route_redisplay_counter)) {
                                PublicEditor::instance().resume_route_redisplay ();
                        }
                }
};

#endif // __gtk_ardour_public_editor_h__