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livetrax/gtk2_ardour/editing_context.h
Paul Davis ca1583cdad the great onceification (gui) 
Replace use of #ifndef header guards with #pragma once

Modern C++, baby!
2024-10-17 07:44:31 -06:00

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/*
* Copyright (C) 2005-2007 Doug McLain <doug@nostar.net>
* Copyright (C) 2005-2018 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2005 Karsten Wiese <fzuuzf@googlemail.com>
* Copyright (C) 2006-2009 Sampo Savolainen <v2@iki.fi>
* Copyright (C) 2006-2015 David Robillard <d@drobilla.net>
* Copyright (C) 2006-2017 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2007-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2008-2011 Sakari Bergen <sakari.bergen@beatwaves.net>
* Copyright (C) 2008 Hans Baier <hansfbaier@googlemail.com>
* Copyright (C) 2013-2015 Colin Fletcher <colin.m.fletcher@googlemail.com>
* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
* Copyright (C) 2014-2017 Nick Mainsbridge <mainsbridge@gmail.com>
* Copyright (C) 2014-2019 Ben Loftis <ben@harrisonconsoles.com>
* Copyright (C) 2015-2019 Damien Zammit <damien@zamaudio.com>
* Copyright (C) 2015 André Nusser <andre.nusser@googlemail.com>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include "pbd/signals.h"
#include "temporal/timeline.h"
#include "ardour/midi_operator.h"
#include "ardour/session_handle.h"
#include "ardour/types.h"
#include "widgets/ardour_button.h"
#include "widgets/ardour_dropdown.h"
#include "widgets/ardour_spacer.h"
#include "axis_provider.h"
#include "editing.h"
#include "editor_items.h"
#include "selection.h"
using ARDOUR::samplepos_t;
using ARDOUR::samplecnt_t;
namespace Temporal {
class TempoMap;
}
class XMLNode;
class ControlPoint;
class CursorContext;
class DragManager;
class EditorCursor;
class EditNoteDialog;
class MidiRegionView;
class MidiView;
class MouseCursors;
class VerboseCursor;
class TrackViewList;
class Selection;
class SelectionMemento;
class EditingContext : public ARDOUR::SessionHandlePtr, public AxisViewProvider
{
public:
/** Context for mouse entry (stored in a stack). */
struct EnterContext {
ItemType item_type;
std::shared_ptr<CursorContext> cursor_ctx;
};
EditingContext (std::string const &);
~EditingContext ();
std::string editor_name() const { return _name; }
void set_session (ARDOUR::Session*);
Temporal::TimeDomain time_domain () const;
struct TempoMapScope {
TempoMapScope (EditingContext& context, std::shared_ptr<Temporal::TempoMap> map)
: ec (context)
{
old_map = ec.start_local_tempo_map (map);
}
~TempoMapScope () {
ec.end_local_tempo_map (old_map);
}
EditingContext& ec;
std::shared_ptr<Temporal::TempoMap const> old_map;
};
DragManager* drags () const {
return _drags;
}
bool drag_active () const;
bool preview_video_drag_active () const;
virtual ArdourCanvas::Duple upper_left() const { return ArdourCanvas::Duple (0, 0); }
virtual void select_all_within (Temporal::timepos_t const &, Temporal::timepos_t const &, double, double, TrackViewList const &, ARDOUR::SelectionOperation, bool) = 0;
virtual void get_per_region_note_selection (std::list<std::pair<PBD::ID, std::set<std::shared_ptr<Evoral::Note<Temporal::Beats> > > > >&) const = 0;
virtual void get_regionviews_by_id (PBD::ID const id, RegionSelection & regions) const = 0;
virtual StripableTimeAxisView* get_stripable_time_axis_by_id (const PBD::ID& id) const = 0;
virtual TrackViewList axis_views_from_routes (std::shared_ptr<ARDOUR::RouteList>) const = 0;
virtual ARDOUR::Location* find_location_from_marker (ArdourMarker*, bool&) const = 0;
virtual ArdourMarker* find_marker_from_location_id (PBD::ID const&, bool) const = 0;
virtual TempoMarker* find_marker_for_tempo (Temporal::TempoPoint const &) = 0;
virtual MeterMarker* find_marker_for_meter (Temporal::MeterPoint const &) = 0;
EditorCursor* playhead_cursor () const { return _playhead_cursor; }
EditorCursor* snapped_cursor () const { return _snapped_cursor; }
virtual void maybe_autoscroll (bool, bool, bool from_headers) = 0;
virtual void stop_canvas_autoscroll () = 0;
virtual bool autoscroll_active() const = 0;
virtual void redisplay_grid (bool immediate_redraw) = 0;
virtual Temporal::timecnt_t get_nudge_distance (Temporal::timepos_t const & pos, Temporal::timecnt_t& next) const = 0;
Temporal::timecnt_t relative_distance (Temporal::timepos_t const & origin, Temporal::timecnt_t const & duration, Temporal::TimeDomain domain);
Temporal::timecnt_t snap_relative_time_to_relative_time (Temporal::timepos_t const & origin, Temporal::timecnt_t const & x, bool ensure_snap) const;
/** Set whether the editor should follow the playhead.
* @param yn true to follow playhead, otherwise false.
* @param catch_up true to reset the editor view to show the playhead (if yn == true), otherwise false.
*/
void set_follow_playhead (bool yn, bool catch_up = true);
/** Toggle whether the editor is following the playhead */
void toggle_follow_playhead ();
/** @return true if the editor is following the playhead */
bool follow_playhead () const { return _follow_playhead; }
virtual void instant_save() = 0;
virtual void begin_selection_op_history () = 0;
virtual void begin_reversible_selection_op (std::string cmd_name) = 0;
virtual void commit_reversible_selection_op () = 0;
virtual void abort_reversible_selection_op () = 0;
virtual void undo_selection_op () = 0;
virtual void redo_selection_op () = 0;
/* Some EditingContexts may defer to the Session, which IS-A
* HistoryOwner (Editor does this).
*
* Others may themselves have the IS-A HistoryOwner inheritance, and so
* they just proxy back to their base class (CueEditor does this).
*/
virtual PBD::HistoryOwner& history() = 0;
virtual void add_command (PBD::Command *) = 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 void set_selected_midi_region_view (MidiRegionView&);
samplecnt_t get_current_zoom () const { return samples_per_pixel; }
double timeline_origin() const { return _timeline_origin; }
/* NOTE: these functions assume that the "pixel" coordinate is
in canvas coordinates. These coordinates already take into
account any scrolling offsets.
*/
samplepos_t pixel_to_sample_from_event (double pixel) const {
/* pixel can be less than zero when motion events are
processed. Since the pixel value is in canvas units (since
it comes from an event delivered to the canvas), we've
already run the window->canvas transform, that means that
the location *really* is "off to the right" and thus really
is "before the start".
*/
if (pixel >= _timeline_origin) {
return (pixel - _timeline_origin) * samples_per_pixel;
} else {
return 0;
}
}
/* It makes no sense to ever call these functions to convert to or from a
* non-timeline relative pixel position, so they all assume that is
* what they are being asked to do.
*/
samplepos_t pixel_to_sample (double pixel) const {
return pixel * samples_per_pixel;
}
double sample_to_pixel (samplepos_t sample) const {
return round (sample / (double) samples_per_pixel);
}
double sample_to_pixel_unrounded (samplepos_t sample) const {
return (sample / (double) samples_per_pixel);
}
double time_to_pixel (Temporal::timepos_t const & pos) const;
double time_to_pixel_unrounded (Temporal::timepos_t const & pos) const;
double duration_to_pixels (Temporal::timecnt_t const & pos) const;
double duration_to_pixels_unrounded (Temporal::timecnt_t const & pos) const;
samplecnt_t pixel_duration_to_samples (double pixels) const {
return pixels * samples_per_pixel;
}
/* These two convert between timeline-relative x-axis pixel positions and
* global canvas ones.
*/
double timeline_to_canvas (double p) const { return p + _timeline_origin; }
double canvas_to_timeline (double p) const { return p - _timeline_origin; }
/** computes the timeline position for an event whose coordinates
* are in canvas units (pixels, scroll offset included). The time
* domain used by the return value will match ::default_time_domain()
* at the time of calling.
*/
Temporal::timepos_t canvas_event_time (GdkEvent const*, double* px = 0, double* py = 0) const;
/** computes the timeline sample (sample) of an event whose coordinates
* are in canvas units (pixels, scroll offset included).
*/
samplepos_t canvas_event_sample (GdkEvent const * event, double* pcx = nullptr, double* pcy = nullptr) const;
virtual bool canvas_note_event (GdkEvent* event, ArdourCanvas::Item*) = 0;
virtual bool canvas_velocity_base_event (GdkEvent* event, ArdourCanvas::Item*) = 0;
virtual bool canvas_velocity_event (GdkEvent* event, ArdourCanvas::Item*) = 0;
virtual bool canvas_control_point_event (GdkEvent* event, ArdourCanvas::Item*, ControlPoint*) = 0;
Temporal::Beats get_grid_type_as_beats (bool& success, Temporal::timepos_t const & position) const;
Temporal::Beats get_draw_length_as_beats (bool& success, Temporal::timepos_t const & position) const;
int32_t get_grid_beat_divisions (Editing::GridType gt) const;
int32_t get_grid_music_divisions (Editing::GridType gt, uint32_t event_state) const;
Editing::GridType grid_type () const;
bool grid_type_is_musical (Editing::GridType) const;
bool grid_musical () const;
void cycle_snap_mode ();
void next_grid_choice ();
void prev_grid_choice ();
void set_grid_to (Editing::GridType);
void set_snap_mode (Editing::SnapMode);
void set_draw_length_to (Editing::GridType);
void set_draw_velocity_to (int);
void set_draw_channel_to (int);
Editing::GridType draw_length () const;
int draw_velocity () const;
int draw_channel () const;
Editing::SnapMode snap_mode () const;
virtual void snap_to (Temporal::timepos_t & first,
Temporal::RoundMode direction = Temporal::RoundNearest,
ARDOUR::SnapPref pref = ARDOUR::SnapToAny_Visual,
bool ensure_snap = false) const;
virtual void snap_to_with_modifier (Temporal::timepos_t & first,
GdkEvent const* ev,
Temporal::RoundMode direction = Temporal::RoundNearest,
ARDOUR::SnapPref gpref = ARDOUR::SnapToAny_Visual,
bool ensure_snap = false) const;
virtual Temporal::timepos_t snap_to_bbt (Temporal::timepos_t const & start,
Temporal::RoundMode direction,
ARDOUR::SnapPref gpref) const;
virtual double get_y_origin () const = 0;
void reset_x_origin (samplepos_t);
void reset_y_origin (double);
void reset_zoom (samplecnt_t);
void set_samples_per_pixel (samplecnt_t);
virtual void on_samples_per_pixel_changed () {}
virtual void set_zoom_focus (Editing::ZoomFocus) = 0;
virtual Editing::ZoomFocus get_zoom_focus () const = 0;
virtual void reposition_and_zoom (samplepos_t, double) = 0;
sigc::signal<void> ZoomChanged;
virtual Selection& get_selection() const { return *selection; }
virtual Selection& get_cut_buffer () const { return *cut_buffer; }
void reset_point_selection ();
/** Set the mouse mode (gain, object, range, timefx etc.)
* @param m Mouse mode (defined in editing_syms.h)
* @param force Perform the effects of the change even if no change is required
* (ie even if the current mouse mode is equal to @p m)
*/
virtual void set_mouse_mode (Editing::MouseMode, bool force = false);
/** Step the mouse mode onto the next or previous one.
* @param next true to move to the next, otherwise move to the previous
*/
virtual void step_mouse_mode (bool next) = 0;
/** @return The current mouse mode (gain, object, range, timefx etc.)
* (defined in editing_syms.h)
*/
Editing::MouseMode current_mouse_mode () const { return mouse_mode; }
virtual Editing::MouseMode effective_mouse_mode () const { return mouse_mode; }
/** @return Whether the current mouse mode is an "internal" editing mode. */
virtual bool internal_editing() const = 0;
virtual bool get_smart_mode() const { return false; }
/** Push the appropriate enter/cursor context on item entry. */
void choose_canvas_cursor_on_entry (ItemType);
/** Update all enter cursors based on current settings. */
void update_all_enter_cursors ();
virtual Gdk::Cursor* get_canvas_cursor () const;
static MouseCursors const* cursors () {
return _cursors;
}
virtual VerboseCursor* verbose_cursor () const {
return _verbose_cursor;
}
virtual void set_snapped_cursor_position (Temporal::timepos_t const & pos) = 0;
static sigc::signal<void> DropDownKeys;
PBD::Signal0<void> SnapChanged;
PBD::Signal0<void> MouseModeChanged;
/* MIDI actions, proxied to selected MidiRegionView(s) */
ARDOUR::Quantize* get_quantize_op ();
void apply_midi_note_edit_op (ARDOUR::MidiOperator& op, const RegionSelection& rs);
PBD::Command* apply_midi_note_edit_op_to_region (ARDOUR::MidiOperator& op, MidiView& mrv);
virtual void midi_action (void (MidiView::*method)());
std::vector<MidiView*> filter_to_unique_midi_region_views (RegionSelection const & ms) const;
void quantize_region ();
void transform_region ();
void legatize_region (bool shrink_only);
void transpose_region ();
static void register_midi_actions (Gtkmm2ext::Bindings*);
static void register_common_actions (Gtkmm2ext::Bindings*);
ArdourCanvas::Rectangle* rubberband_rect;
virtual ArdourCanvas::Container* get_trackview_group () const = 0;
virtual ArdourCanvas::Container* get_noscroll_group() const = 0;
virtual ArdourCanvas::ScrollGroup* get_hscroll_group () const = 0;
virtual ArdourCanvas::ScrollGroup* get_cursor_scroll_group () const = 0;
virtual bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*) { return false; }
bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
void set_horizontal_position (double);
double horizontal_position () const;
virtual samplecnt_t current_page_samples() const = 0;
virtual ArdourCanvas::GtkCanvasViewport* get_canvas_viewport() const = 0;
virtual ArdourCanvas::GtkCanvas* get_canvas() const = 0;
virtual size_t push_canvas_cursor (Gdk::Cursor*);
virtual void pop_canvas_cursor ();
virtual void mouse_mode_toggled (Editing::MouseMode) = 0;
bool on_velocity_scroll_event (GdkEventScroll*);
void pre_render ();
void select_automation_line (GdkEventButton*, ArdourCanvas::Item*, ARDOUR::SelectionOperation);
/** Get the topmost enter context for the given item type.
*
* This is used to change the cursor associated with a given enter context,
* which may not be on the top of the stack.
*/
virtual EnterContext* get_enter_context(ItemType type);
virtual Gdk::Cursor* which_track_cursor () const = 0;
virtual Gdk::Cursor* which_mode_cursor () const = 0;
virtual Gdk::Cursor* which_trim_cursor (bool left_side) const = 0;
virtual Gdk::Cursor* which_canvas_cursor (ItemType type) const = 0;
/** Undo some transactions.
* @param n Number of transactions to undo.
*/
void undo (uint32_t n = 1) { do_undo (n); }
/** Redo some transactions.
* @param n Number of transaction to redo.
*/
void redo (uint32_t n = 1) { do_redo (n); }
virtual void history_changed() = 0;
static void update_undo_redo_actions (PBD::UndoHistory const &);
static EditingContext* current_editing_context();
static void switch_editing_context(EditingContext*);
protected:
std::string _name;
static Glib::RefPtr<Gtk::ActionGroup> _midi_actions;
static Glib::RefPtr<Gtk::ActionGroup> _common_actions;
/* Cursor stuff. Do not use directly, use via CursorContext. */
friend class CursorContext;
std::vector<Gdk::Cursor*> _cursor_stack;
virtual void set_canvas_cursor (Gdk::Cursor*);
Editing::GridType pre_internal_grid_type;
Editing::SnapMode pre_internal_snap_mode;
Editing::GridType internal_grid_type;
Editing::SnapMode internal_snap_mode;
static std::vector<std::string> grid_type_strings;
Glib::RefPtr<Gtk::RadioAction> grid_type_action (Editing::GridType);
Glib::RefPtr<Gtk::RadioAction> snap_mode_action (Editing::SnapMode);
static Glib::RefPtr<Gtk::RadioAction> draw_length_action (Editing::GridType);
static Glib::RefPtr<Gtk::RadioAction> draw_velocity_action (int);
static Glib::RefPtr<Gtk::RadioAction> draw_channel_action (int);
Editing::GridType _grid_type;
Editing::SnapMode _snap_mode;
static Editing::GridType _draw_length;
static int _draw_velocity;
static int _draw_channel;
static void draw_channel_chosen (int);
static void draw_velocity_chosen (int);
static void draw_length_chosen (Editing::GridType);
static void draw_channel_action_method (int);
static void draw_velocity_action_method (int);
static void draw_length_action_method (Editing::GridType);
static sigc::signal<void> DrawLengthChanged;
static sigc::signal<void> DrawVelocityChanged;
static sigc::signal<void> DrawChannelChanged;
void draw_length_changed ();
void draw_velocity_changed ();
void draw_channel_changed ();
double _timeline_origin;
ArdourWidgets::ArdourDropdown grid_type_selector;
void build_grid_type_menu ();
ArdourWidgets::ArdourDropdown draw_length_selector;
ArdourWidgets::ArdourDropdown draw_velocity_selector;
ArdourWidgets::ArdourDropdown draw_channel_selector;
void build_draw_midi_menus ();
void grid_type_selection_done (Editing::GridType);
void snap_mode_selection_done (Editing::SnapMode);
void snap_mode_chosen (Editing::SnapMode);
void grid_type_chosen (Editing::GridType);
DragManager* _drags;
ArdourWidgets::ArdourButton snap_mode_button;
bool snap_mode_button_clicked (GdkEventButton*);
virtual void mark_region_boundary_cache_dirty () {}
virtual void update_tempo_based_rulers () {};
virtual void show_rulers_for_grid () {};
samplepos_t _leftmost_sample;
/* playhead and edit cursor */
EditorCursor* _playhead_cursor;
EditorCursor* _snapped_cursor;
bool _follow_playhead;
virtual void reset_x_origin_to_follow_playhead () = 0;
/* selection process */
Selection* selection;
Selection* cut_buffer;
SelectionMemento* _selection_memento;
std::list<XMLNode*> before; /* used in *_reversible_command */
static MouseCursors* _cursors;
VerboseCursor* _verbose_cursor;
samplecnt_t samples_per_pixel;
Editing::ZoomFocus zoom_focus;
Temporal::timepos_t _snap_to_bbt (Temporal::timepos_t const & start,
Temporal::RoundMode direction,
ARDOUR::SnapPref gpref,
Editing::GridType grid_type) const;
virtual Temporal::timepos_t snap_to_grid (Temporal::timepos_t const & start,
Temporal::RoundMode direction,
ARDOUR::SnapPref gpref) const = 0;
virtual void snap_to_internal (Temporal::timepos_t& first,
Temporal::RoundMode direction = Temporal::RoundNearest,
ARDOUR::SnapPref gpref = ARDOUR::SnapToAny_Visual,
bool ensure_snap = false) const = 0;
void check_best_snap (Temporal::timepos_t const & presnap, Temporal::timepos_t &test, Temporal::timepos_t &dist, Temporal::timepos_t &best) const;
virtual double visible_canvas_width() const = 0;
enum BBTRulerScale {
bbt_show_many,
bbt_show_64,
bbt_show_16,
bbt_show_4,
bbt_show_1,
bbt_show_quarters,
bbt_show_eighths,
bbt_show_sixteenths,
bbt_show_thirtyseconds,
bbt_show_sixtyfourths,
bbt_show_onetwentyeighths
};
BBTRulerScale bbt_ruler_scale;
uint32_t bbt_bars;
uint32_t bbt_bar_helper_on;
uint32_t count_bars (Temporal::Beats const & start, Temporal::Beats const & end) const;
void compute_bbt_ruler_scale (samplepos_t lower, samplepos_t upper);
double _visible_canvas_width;
double _visible_canvas_height; ///< height of the visible area of the track canvas
QuantizeDialog* quantize_dialog;
friend class TempoMapScope;
virtual std::shared_ptr<Temporal::TempoMap const> start_local_tempo_map (std::shared_ptr<Temporal::TempoMap>);
virtual void end_local_tempo_map (std::shared_ptr<Temporal::TempoMap const>) { /* no-op by default */ }
virtual bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType) = 0;
virtual bool button_press_handler_1 (ArdourCanvas::Item*, GdkEvent*, ItemType) = 0;
virtual bool button_press_handler_2 (ArdourCanvas::Item*, GdkEvent*, ItemType) = 0;
virtual bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType) = 0;
virtual bool button_press_dispatch (GdkEventButton*) = 0;
virtual bool button_release_dispatch (GdkEventButton*) = 0;
virtual bool motion_handler (ArdourCanvas::Item*, GdkEvent*, bool from_autoscroll = false) = 0;
virtual bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType) = 0;
virtual bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType) = 0;
virtual bool key_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType) = 0;
virtual bool key_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType) = 0;
void popup_note_context_menu (ArdourCanvas::Item*, GdkEvent*);
Gtk::Menu _note_context_menu;
static Gtkmm2ext::Bindings* button_bindings;
XMLNode* button_settings () const;
virtual RegionSelection region_selection() = 0;
void edit_notes (MidiView*);
void note_edit_done (int, EditNoteDialog*);
void quantize_regions (const RegionSelection& rs);
void legatize_regions (const RegionSelection& rs, bool shrink_only);
void transform_regions (const RegionSelection& rs);
void transpose_regions (const RegionSelection& rs);
/** the adjustment that controls the overall editing vertical scroll position */
friend class EditorSummary;
Gtk::Adjustment vertical_adjustment;
Gtk::Adjustment horizontal_adjustment;
ArdourWidgets::ArdourButton mouse_select_button;
ArdourWidgets::ArdourButton mouse_timefx_button;
ArdourWidgets::ArdourButton mouse_grid_button;
ArdourWidgets::ArdourButton mouse_cut_button;
ArdourWidgets::ArdourButton mouse_move_button;
ArdourWidgets::ArdourButton mouse_draw_button;
ArdourWidgets::ArdourButton mouse_content_button;
Glib::RefPtr<Gtk::ActionGroup> editor_actions;
virtual void register_actions() = 0;
void register_grid_actions ();
Glib::RefPtr<Gtk::Action> get_mouse_mode_action (Editing::MouseMode m) const;
void register_mouse_mode_actions ();
void bind_mouse_mode_buttons ();
virtual void add_mouse_mode_actions (Glib::RefPtr<Gtk::ActionGroup>) {}
Gtk::HBox snap_box;
Gtk::HBox grid_box;
Gtk::HBox draw_box;
ArdourWidgets::ArdourVSpacer _grid_box_spacer;
ArdourWidgets::ArdourVSpacer _draw_box_spacer;
void pack_draw_box ();
void pack_snap_box ();
Gtkmm2ext::Bindings* bindings;
Editing::MouseMode mouse_mode;
void set_common_editing_state (XMLNode const & node);
void get_common_editing_state (XMLNode& node) const;
struct VisualChange {
enum Type {
TimeOrigin = 0x1,
ZoomLevel = 0x2,
YOrigin = 0x4,
VideoTimeline = 0x8
};
Type pending;
samplepos_t time_origin;
samplecnt_t samples_per_pixel;
double y_origin;
int idle_handler_id;
/** true if we are currently in the idle handler */
bool being_handled;
VisualChange() : pending ((VisualChange::Type) 0), time_origin (0), samples_per_pixel (0), idle_handler_id (-1), being_handled (false) {}
void add (Type t) {
pending = Type (pending | t);
}
};
VisualChange pending_visual_change;
bool visual_change_queued;
static int _idle_visual_changer (void* arg);
int idle_visual_changer ();
void ensure_visual_change_idle_handler ();
virtual void visual_changer (const VisualChange&) = 0;
sigc::connection autoscroll_connection;
bool autoscroll_horizontal_allowed;
bool autoscroll_vertical_allowed;
uint32_t autoscroll_cnt;
ArdourCanvas::Rect autoscroll_boundary;
bool _mouse_changed_selection;
ArdourMarker* entered_marker;
TimeAxisView* entered_track;
/** If the mouse is over a RegionView or one of its child canvas items, this is set up
to point to the RegionView. Otherwise it is 0.
*/
RegionView* entered_regionview;
bool clear_entered_track;
virtual void set_entered_track (TimeAxisView*) {};
std::vector<EnterContext> _enter_stack;
PBD::ScopedConnection escape_connection;
virtual void escape () {}
virtual void do_undo (uint32_t n) = 0;
virtual void do_redo (uint32_t n) = 0;
static Glib::RefPtr<Gtk::Action> undo_action;
static Glib::RefPtr<Gtk::Action> redo_action;
static Glib::RefPtr<Gtk::Action> alternate_redo_action;
static Glib::RefPtr<Gtk::Action> alternate_alternate_redo_action;
/* protected helper functions to help with registering actions */
static Glib::RefPtr<Gtk::Action> reg_sens (Glib::RefPtr<Gtk::ActionGroup> group, char const* name, char const* label, sigc::slot<void> slot);
static void toggle_reg_sens (Glib::RefPtr<Gtk::ActionGroup> group, char const* name, char const* label, sigc::slot<void> slot);
static void radio_reg_sens (Glib::RefPtr<Gtk::ActionGroup> action_group, Gtk::RadioAction::Group& radio_group, char const* name, char const* label, sigc::slot<void> slot);
static EditingContext* _current_editing_context;
};
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