Remove ancient trunk folder from svn repository
[synfig.git] / synfig-studio / src / gtkmm / canvasview.h
1 /* === S Y N F I G ========================================================= */
2 /*!     \file canvasview.h
3 **      \brief Template Header
4 **
5 **      $Id$
6 **
7 **      \legal
8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 **      Copyright (c) 2007, 2008 Chris Moore
10 **      Copyright (c) 2009 Carlos López
11 **
12 **      This package is free software; you can redistribute it and/or
13 **      modify it under the terms of the GNU General Public License as
14 **      published by the Free Software Foundation; either version 2 of
15 **      the License, or (at your option) any later version.
16 **
17 **      This package is distributed in the hope that it will be useful,
18 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
19 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 **      General Public License for more details.
21 **      \endlegal
22 */
23 /* ========================================================================= */
24
25 /* === S T A R T =========================================================== */
26
27 #ifndef __SYNFIG_STUDIO_GTKMM_CANVASVIEW_H
28 #define __SYNFIG_STUDIO_GTKMM_CANVASVIEW_H
29
30 /* === H E A D E R S ======================================================= */
31
32 #include <gtkmm/window.h>
33 #include <gtkmm/image.h>
34 #include <gtkmm/tooltips.h>
35 #include <gtkmm/table.h>
36 #include <gtkmm/statusbar.h>
37 #include <gtkmm/progressbar.h>
38 #include <gtkmm/button.h>
39 #include <gtkmm/menu.h>
40 #include <gtkmm/treeview.h>
41 #include <gtkmm/treestore.h>
42 #include <gtkmm/scrolledwindow.h>
43 #include <gtkmm/notebook.h>
44 #include <gdkmm/device.h>
45 #include <gtkmm/spinbutton.h>
46
47 #include <synfigapp/canvasinterface.h>
48 #include <synfigapp/selectionmanager.h>
49
50 #include <synfig/canvas.h>
51 #include <synfig/string.h>
52 #include <synfig/time.h>
53
54 #include "instance.h"
55 #include "canvasproperties.h"
56 #include "canvasoptions.h"
57 #include "render.h"
58 #include "cellrenderer_timetrack.h"
59 #include "app.h"
60
61 #include "layertreestore.h"
62 #include "layertree.h"
63 #include "childrentreestore.h"
64 #include "childrentree.h"
65 #include "keyframetreestore.h"
66 #include "keyframetree.h"
67
68 #include "dialog_waypoint.h"
69 #include "dialog_keyframe.h"
70 #include "framedial.h"
71 #include "toggleducksdial.h"
72 #include "resolutiondial.h"
73 #include "widget_keyframe_list.h"
74
75 #include "duckmatic.h"
76 #include <gtkmm/scale.h>
77
78 #include <gtkmm/uimanager.h>
79
80 #include "smach.h"
81
82 #include <memory>
83 #include <set>
84 #include <map>
85 #include <gtkmm/toggleaction.h>
86 #include <gtkmm/radioaction.h>
87 #include <synfig/rect.h>
88
89 #include "adjust_window.h"
90
91 #include <synfig/transform.h>
92
93 /* === M A C R O S ========================================================= */
94
95 #ifndef DEBUGPOINT_CLASS
96 #if     _DEBUG
97 #define DEBUGPOINT_CLASS(x)             struct debugpointclass_ ## x { debugpointclass_ ## x () { DEBUGPOINT(); } ~debugpointclass_ ## x () { DEBUGPOINT(); } } badfthguae_ ## x ;
98 #else
99 #define DEBUGPOINT_CLASS(x)
100 #endif
101 #endif
102
103 /* === T Y P E D E F S ===================================================== */
104
105 /* === C L A S S E S & S T R U C T S ======================================= */
106
107 namespace synfig {
108         class TransformStack;
109 }
110
111 namespace studio {
112
113 class CanvasViewUIInterface;
114 class CanvasViewSelectionManager;
115
116 class CellRenderer_TimeTrack;
117 class CellRenderer_ValueBase;
118 class UniversalScrubber;
119 class WorkArea;
120
121 class Duckmatic;
122
123 class Preview;
124 struct PreviewInfo;
125 class AudioContainer;
126
127 class Widget_Sound;
128 class Widget_Timeslider;
129 class Widget_Time;
130
131 class Dialog_SoundSelect;
132 class Dialog_Preview;
133
134 class Dock_Layers;
135 class Dock_Children;
136 class Dock_Keyframes;
137
138 class CanvasView : public Gtk::Window, public etl::shared_object
139 {
140         friend class UniversalScrubber;
141         friend class Dock_Layers;
142         friend class Dock_Children;
143         friend class Dock_Keyframes;
144
145         friend class CanvasViewUIInterface;
146         friend class CanvasViewSelectionManager;
147
148         friend class Duckmatic;
149
150         /*
151  -- ** -- P U B L I C   T Y P E S ---------------------------------------------
152         */
153
154 public:
155
156         typedef etl::handle<CanvasView> Handle;
157
158         typedef etl::handle<const CanvasView> ConstHandle;
159
160         typedef etl::loose_handle<CanvasView> LooseHandle;
161
162         typedef LayerTreeStore::Model LayerTreeModel;
163
164         typedef ChildrenTreeStore::Model ChildrenTreeModel;
165
166         //! Create an instance of this class whenever doing a longer task.
167         /*! Make sure that you check the bool value of this class occasionally
168         **      to make sure the action has not been canceled. */
169         class IsWorking
170         {
171                 CanvasView &canvas_view_;
172
173         public:
174                 IsWorking(CanvasView &canvas_view_);
175                 ~IsWorking();
176                 operator bool()const;
177         };
178         friend class IsWorking;
179
180         typedef synfigapp::CanvasInterface::Mode Mode;
181
182         void set_grid_snap_toggle(bool flag) { grid_snap_toggle->set_active(flag); }
183         void set_grid_show_toggle(bool flag) { grid_show_toggle->set_active(flag); }
184
185         /*
186  -- ** -- P R I V A T E   D A T A ---------------------------------------------
187         */
188
189 public:
190         std::auto_ptr<WorkArea> work_area;
191
192         WorkArea* get_work_area() { return work_area.get(); }
193 private:
194
195         synfig::TransformStack curr_transform_stack;
196         bool curr_transform_stack_set;
197
198         synfig::Rect bbox;
199
200         // DEBUGPOINT_CLASS(1);
201
202         //! State Machine
203         Smach smach_;
204
205         // DEBUGPOINT_CLASS(2);
206
207         etl::loose_handle<Instance> instance_;
208         etl::handle<synfigapp::CanvasInterface> canvas_interface_;
209
210         // DEBUGPOINT_CLASS(3);
211
212         //! Sound and information to play it
213         etl::handle<AudioContainer>             audio;
214         studio::Widget_Sound                    *disp_audio; //should this be put into thing too?
215
216         sigc::connection                                playcon;
217         sigc::connection                                stopcon;
218
219         std::auto_ptr<UniversalScrubber> universal_scrubber;
220
221         //! Tooltip controller
222         Gtk::Tooltips tooltips;
223
224         // DEBUGPOINT_CLASS(4);
225
226         //! TreeModel for the layers
227         LayerTreeModel layer_tree_model;
228
229         //! TreeModel for the the children
230         ChildrenTreeModel children_tree_model;
231
232         //Glib::RefPtr<LayerTreeStore> layer_tree_store_;
233
234         //Glib::RefPtr<ChildrenTreeStore> children_tree_store_;
235
236         //Glib::RefPtr<KeyframeTreeStore> keyframe_tree_store_;
237
238         // DEBUGPOINT_CLASS(5);
239
240         //std::map<synfig::String,Glib::RefPtr<Gtk::TreeModel> > tree_model_book_;
241         std::map<synfig::String,Glib::RefPtr<Glib::ObjectBase> > ref_obj_book_;
242         std::map<synfig::String,Gtk::Widget*> ext_widget_book_;
243
244         //! The time adjustment's scope is defined by the time_window adjustment
245         Gtk::Adjustment time_adjustment_;
246
247         //! The time_window adjustment governs the position of the time window on the whole time line
248         //Gtk::Adjustment time_window_adjustment_;
249         studio::Adjust_Window time_window_adjustment_;
250
251         LayerTree *layer_tree;
252
253         ChildrenTree *children_tree;
254
255         KeyframeTree *keyframe_tree;
256
257         Gtk::Widget *keyframe_tab_child;
258
259         Gtk::ProgressBar *progressbar;
260         Gtk::Statusbar *statusbar;
261
262         Gtk::TreeRow children_canvas_row;
263         Gtk::TreeRow children_valuenode_row;
264
265         Gtk::Button *stopbutton;
266         Gtk::Button *refreshbutton;
267         Gtk::Button *treetogglebutton;  // not used
268         Gtk::Notebook *notebook; // not used
269         Gtk::Table *timebar;
270         Gtk::Table *displaybar;
271         Gtk::Button *animatebutton;
272         Gtk::Button *keyframebutton;
273         FrameDial *framedial;
274         ToggleDucksDial *toggleducksdial;
275         bool toggling_ducks_;
276         ResolutionDial *resolutiondial;
277         bool changing_resolution_;
278         Gtk::Adjustment quality_adjustment_;
279         Gtk::SpinButton *quality_spin;
280         Gtk::Adjustment past_onion_adjustment_;
281         Gtk::SpinButton *past_onion_spin;
282         Gtk::Adjustment future_onion_adjustment_;
283         Gtk::SpinButton *future_onion_spin;
284         bool updating_quality_;
285         Gtk::ToggleButton *show_grid;
286         Gtk::ToggleButton *snap_grid;
287         Gtk::ToggleButton *onion_skin;
288         bool toggling_show_grid;
289         bool toggling_snap_grid;
290         bool toggling_onion_skin;
291         //! Shows current time and allows edition
292         Widget_Time *current_time_widget;
293         void on_current_time_widget_changed();
294
295         //! Time slider class. Same than the Time track panel
296         std::auto_ptr<Widget_Timeslider> timeslider;
297
298         //!Keyframe list slider
299         std::auto_ptr<Widget_Keyframe_List> widget_kf_list;
300
301         std::list<sigc::connection> duck_changed_connections;
302
303 /*      DEBUGPOINT_CLASS(8);
304
305         Gtk::Menu duckmaskmenu;
306         DEBUGPOINT_CLASS(77);
307         Gtk::Menu qualitymenu;
308         DEBUGPOINT_CLASS(6);
309
310         Gtk::Menu filemenu;
311         DEBUGPOINT_CLASS(777);
312         Gtk::Menu editmenu;
313         DEBUGPOINT_CLASS(71);
314         Gtk::Menu canvasmenu;
315         DEBUGPOINT_CLASS(73);
316 public:
317         Gtk::Menu layermenu;
318 private:
319         DEBUGPOINT_CLASS(74);
320         Gtk::Menu newlayermenu;
321         DEBUGPOINT_CLASS(76);
322         Gtk::Menu viewmenu;
323
324         DEBUGPOINT_CLASS(99);
325         Gtk::Menu keyframemenu;
326
327         Gtk::Menu parammenu;
328         DEBUGPOINT_CLASS(9);
329         Gtk::Menu trackmenu;
330         DEBUGPOINT_CLASS(7);
331
332         Gtk::CheckMenuItem* duck_mask_position;
333         Gtk::CheckMenuItem* duck_mask_vertex;
334         Gtk::CheckMenuItem* duck_mask_tangent;
335         Gtk::CheckMenuItem* duck_mask_radius;
336         Gtk::CheckMenuItem* duck_mask_width;
337         Gtk::CheckMenuItem* duck_mask_angle;
338 */
339         //! Menu members
340         Gtk::Menu parammenu;
341
342         Glib::RefPtr<Gtk::ToggleAction> grid_snap_toggle;
343         Glib::RefPtr<Gtk::ToggleAction> grid_show_toggle;
344
345         Gtk::RadioButtonGroup quality_group;
346         Gtk::RadioButtonGroup low_res_pixel_size_group;
347
348         Glib::RefPtr<Gtk::ActionGroup> action_group;
349
350         etl::handle<synfigapp::UIInterface> ui_interface_;
351         etl::handle<synfigapp::SelectionManager> selection_manager_;
352
353         bool is_playing_;
354
355         sigc::signal<void> signal_deleted_;
356
357         bool rebuild_ducks_queued;
358         sigc::connection queue_rebuild_ducks_connection;
359
360         /*
361  -- ** -- P U B L I C   D A T A -----------------------------------------------
362         */
363
364 public:
365         void queue_rebuild_ducks();
366         sigc::signal<void>& signal_deleted() { return signal_deleted_; }
367
368         Gtk::Menu mainmenu;
369
370         bool duck_refresh_flag;
371         bool duck_refresh_needed;
372
373         //! This is for the IsWorking class.
374         int working_depth;
375
376         bool cancel;
377
378         /*
379  -- ** -- D I A L O G S -------------------------------------------------------
380         */
381
382 public:
383
384         CanvasProperties canvas_properties;
385         CanvasOptions canvas_options;
386         RenderSettings render_settings;
387         Dialog_Waypoint waypoint_dialog;
388         Dialog_Keyframe keyframe_dialog;
389
390         std::auto_ptr<Dialog_Preview>                   preview_dialog;
391         //std::auto_ptr<Dialog_PreviewOptions>  previewoption_dialog;
392         std::auto_ptr<Dialog_SoundSelect>               sound_dialog;
393
394         /*
395  -- ** -- P R I V A T E   M E T H O D S ---------------------------------------
396         */
397
398 private:
399
400         // Constructor is private to force the use of the "create()" constructor
401         CanvasView(etl::loose_handle<Instance> instance,etl::handle<synfigapp::CanvasInterface> canvas_interface);
402
403         //! Constructor Helper
404         // Gtk::Widget* create_layer_tree();
405
406         //! Constructor Helper
407         // Gtk::Widget* create_children_tree();
408
409         //! Constructor Helper
410         // Gtk::Widget* create_keyframe_tree();
411
412         //! Constructor Helper
413         Gtk::Widget* create_status_bar();
414
415         //! Constructor Helper - Initializes all of the menus
416         void init_menus();
417
418         bool duck_change_param(const synfig::Point &value,synfig::Layer::Handle layer, synfig::String param_name);
419
420         void refresh_time_window();
421
422         void time_was_changed();
423
424         void refresh_rend_desc();
425
426         void toggle_duck_mask(Duckmatic::Type type);
427
428         Gtk::Widget *create_work_area();
429
430         Gtk::Widget *create_time_bar();
431
432         Gtk::Widget *create_display_bar();
433
434         //! Pop up menu for the bezier (bline, draw) tool (?)
435         void popup_param_menu_bezier(float location, synfigapp::ValueDesc value_desc)
436         { popup_param_menu(value_desc,location,true); }
437
438         //! Pop up menu for the tools but not the bezier ones.
439         void popup_param_menu(synfigapp::ValueDesc value_desc, float location=0, bool bezier=false);
440
441         void workarea_layer_selected(synfig::Layer::Handle layer);
442
443         void selected_layer_color_set(synfig::Color color);
444
445         void register_layer_type(synfig::Layer::Book::value_type &lyr,std::map<synfig::String,Gtk::Menu*>*);
446
447         //! Rebuilds the "new layer" menu
448         void build_new_layer_menu(Gtk::Menu &menu);
449
450         void rebuild_ducks_layer_(synfig::TransformStack& transform_stack, synfig::Canvas::Handle canvas, std::set<synfig::Layer::Handle>& selected_list);
451
452         void decrease_low_res_pixel_size();
453         void increase_low_res_pixel_size();
454         void toggle_low_res_pixel_flag();
455         void set_quality(int x);
456         void set_onion_skins();
457         void toggle_show_grid();
458         void toggle_snap_grid();
459         void toggle_onion_skin();
460
461         /*
462  -- ** -- P U B L I C   M E T H O D S -----------------------------------------
463         */
464
465 public:
466         const synfig::TransformStack& get_curr_transform_stack()const { return curr_transform_stack; }
467
468         const synfig::Rect& get_bbox()const { return bbox; }
469
470         Glib::RefPtr<Glib::ObjectBase> get_ref_obj(const synfig::String& x);
471         Glib::RefPtr<const Glib::ObjectBase> get_ref_obj(const synfig::String& x)const;
472         void set_ref_obj(const synfig::String& x, Glib::RefPtr<Glib::ObjectBase> y);
473
474         Glib::RefPtr<Gtk::TreeModel> get_tree_model(const synfig::String& x);
475         Glib::RefPtr<const Gtk::TreeModel> get_tree_model(const synfig::String& x)const;
476         void set_tree_model(const synfig::String& x, Glib::RefPtr<Gtk::TreeModel> y);
477
478         Gtk::Widget* get_ext_widget(const synfig::String& x);
479         void set_ext_widget(const synfig::String& x, Gtk::Widget* y);
480
481         //std::map<synfig::String,Gtk::Widget*>& tree_view_book() { return tree_view_book_; }
482         //std::map<synfig::String,Gtk::Widget*>& ext_widget_book() { return tree_view_book_; }
483
484         void popup_main_menu();
485
486         Smach& get_smach() { return smach_; }
487
488         const Smach& get_smach()const { return smach_; }
489
490         Smach::event_result process_event_key(EventKey x);
491
492         void popup_layer_menu(synfig::Layer::Handle layer);
493
494         virtual ~CanvasView();
495
496         void set_mode(Mode x) { canvas_interface()->set_mode(x); }
497
498         Mode get_mode()const { return canvas_interface()->get_mode(); }
499
500         Gtk::Adjustment &time_adjustment() { return time_adjustment_; }
501
502         const Gtk::Adjustment &time_adjustment()const { return time_adjustment_; }
503
504         studio::Adjust_Window &time_window_adjustment() { return time_window_adjustment_; }
505
506         const studio::Adjust_Window &time_window_adjustment()const { return time_window_adjustment_; }
507
508         etl::handle<synfigapp::UIInterface> get_ui_interface() { return ui_interface_;}
509
510         etl::handle<synfigapp::SelectionManager> get_selection_manager() { return selection_manager_; }
511
512         Glib::RefPtr<Gtk::TreeModel> layer_tree_store() { return get_tree_model("layers"); }
513
514         Glib::RefPtr<const Gtk::TreeModel> layer_tree_store()const { return get_tree_model("layers"); }
515
516         Glib::RefPtr<Gtk::TreeModel> children_tree_store() { return get_tree_model("children"); }
517
518         Glib::RefPtr<const Gtk::TreeModel> children_tree_store()const { return get_tree_model("children"); }
519
520         Glib::RefPtr<Gtk::TreeModel> keyframe_tree_store() { return get_tree_model("keyframes"); }
521
522         Glib::RefPtr<const Gtk::TreeModel> keyframe_tree_store()const { return get_tree_model("keyframes"); }
523
524         void set_time(synfig::Time t) { canvas_interface_->set_time(t); }
525
526         synfig::Time get_time() { return canvas_interface_->get_time(); }
527
528         etl::handle<synfig::Canvas> get_canvas()const { return canvas_interface_->get_canvas(); }
529
530         etl::handle<Instance> get_instance()const { return instance_; }
531
532         etl::handle<synfigapp::CanvasInterface> canvas_interface() { return canvas_interface_; }
533
534         etl::handle<const synfigapp::CanvasInterface> canvas_interface()const { return canvas_interface_; }
535
536         void add_actions_to_menu(Gtk::Menu *menu,   const synfigapp::Action::ParamList &param_list, synfigapp::Action::Category category=synfigapp::Action::CATEGORY_ALL)const;
537
538         //! Updates the title of the window
539         void update_title();
540
541         //! Closes this document
542         bool close_instance();
543
544         //! Closes this canvas view
545         bool close_view();
546
547         //!     Stops the currently executing action
548         /*! \see get_cancel_status(), reset_cancel_status(), IsWorking */
549         void stop() { cancel=true; }
550
551         //! Returns the cancel status
552         /*! \see stop(), reset_cancel_status(), IsWorking */
553         bool get_cancel_status()const { return cancel; }
554
555         //! Resets the cancel status
556         /*! \see stop(), get_cancel_status(), IsWorking */
557         void reset_cancel_status() { cancel=false; }
558
559         void new_child_canvas();
560
561         //! Rebuilds layer_tree_store_ from the Canvas. Maintains selected items.
562         void rebuild_tables();
563
564         //! Builds layer_tree_store_ from the Canvas. Does not maintain selected items.
565         void build_tables();
566
567         //! Refreshes the data for the tables
568         void refresh_tables();
569
570         //void rebuild_layer_table();
571         //void build_layer_table();
572         //void refresh_layer_table();
573
574 //      void rebuild_canvas_table();
575 //      void build_canvas_table();
576 //      void refresh_canvas_table();
577
578 //      void rebuild_valuenode_table();
579 //      void build_valuenode_table();
580 //      void refresh_valuenode_table();
581
582         //! \writeme
583         void rebuild_ducks();
584
585         //bool add_to_ducks(synfigapp::ValueDesc value_desc, synfig::ParamDesc *param_desc=NULL);
586
587         //! Starts "playing" the animation in real-time
588         void play();
589
590         //! Shows the tables (Layer/Children)
591         void show_tables();
592
593         //! Hides the tables (Layer/Children)
594         void hide_tables();
595
596         //! Toggles the tables
597         void toggle_tables();
598
599         //! Gets the table status
600         bool tables_are_visible();
601
602         //! Shows the time bar
603         void show_timebar();
604
605         //! Hides the time bar
606         void hide_timebar();
607
608         //t Enables or disables interaction with the timebar
609         void set_sensitive_timebar(bool sensitive);
610
611         void time_zoom_in();
612         void time_zoom_out();
613
614         void add_layer(synfig::String x);
615
616         void show_keyframe_dialog();
617
618         void play_audio(float t);
619         void stop_audio();
620
621         void image_import();
622
623         void on_waypoint_clicked_canvasview(synfigapp::ValueDesc,std::set<synfig::Waypoint,std::less<synfig::UniqueID> >, int button);
624
625         void preview_option() {on_preview_option();}
626
627         void present();
628
629         bool is_playing() { return is_playing_; }
630
631         void update_quality();
632
633
634
635         /*
636  -- ** -- S I G N A L   T E R M I N A L S -------------------------------------
637         */
638
639 private:
640
641         void on_select_layers();
642         void on_unselect_layers();
643
644         void on_input_device_changed(GdkDevice*);
645
646         virtual void on_hide();
647
648         virtual bool on_focus_in_event(GdkEventFocus*);
649         virtual bool on_focus_out_event(GdkEventFocus*);
650
651         //bool on_children_tree_event(GdkEvent *event);
652
653         bool on_keyframe_tree_event(GdkEvent *event);
654
655         //void on_children_edited_value(const Glib::ustring&path_string,synfig::ValueBase value);
656
657         void on_dirty_preview();
658
659         bool on_children_user_click(int, Gtk::TreeRow, ChildrenTree::ColumnID);
660
661         bool on_layer_user_click(int, Gtk::TreeRow, LayerTree::ColumnID);
662
663 //      void on_layer_toggle(const Glib::ustring& path_string, Gtk::TreeModelColumn<bool> column);
664
665         void on_mode_changed(synfigapp::CanvasInterface::Mode mode);
666
667 //      void on_layer_waypoint_clicked(const Glib::ustring &, synfig::ValueNode_Animated::WaypointList::iterator);
668
669         //void on_children_waypoint_clicked(const Glib::ustring &, synfig::ValueNode_Animated::WaypointList::iterator);
670
671         void on_waypoint_changed();
672
673         void on_waypoint_delete();
674
675         void on_refresh_pressed();
676
677         void on_id_changed();
678
679         void on_time_changed();
680
681         /*
682         void on_layer_raise_pressed();
683         void on_layer_lower_pressed();
684         void on_layer_duplicate_pressed();
685         void on_layer_delete_pressed();
686         */
687
688         void on_keyframe_add_pressed();
689
690         void on_keyframe_duplicate_pressed();
691
692         void on_keyframe_remove_pressed();
693
694         void on_animate_button_pressed();
695
696         void on_keyframe_button_pressed();
697
698         void on_preview_option();
699         void on_preview_create(const PreviewInfo &);
700
701         void on_audio_option();
702         void on_audio_file_change(const std::string &f);
703         void on_audio_offset_change(const synfig::Time &t);
704
705         void on_audio_file_notify();
706         void on_audio_offset_notify();
707
708         bool on_duck_changed(const synfig::Point &value,const synfigapp::ValueDesc& value_desc);
709         bool on_duck_angle_changed(const synfig::Angle &rotation,const synfigapp::ValueDesc& value_desc);
710
711         void on_layer_toggle(synfig::Layer::Handle);
712
713         void on_edited_value(synfigapp::ValueDesc,synfig::ValueBase);
714
715         void on_drop_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, const Gtk::SelectionData& selection_data, guint info, guint time);
716
717         //void on_audio_play();
718         bool on_audio_scrub();
719
720         void on_play_stop_pressed();
721
722 protected:
723         bool close_instance_when_safe();
724         bool on_delete_event(GdkEventAny* event);
725
726         /*
727  -- ** -- S T A T I C   P U B L I C   M E T H O D S ---------------------------
728         */
729
730 public:
731
732         static etl::handle<studio::CanvasView> create(etl::loose_handle<Instance> instance,etl::handle<synfig::Canvas> canvas);
733         static std::list<int>& get_pixel_sizes();
734
735 }; // END of class CanvasView
736
737 }; // END of namespace studio
738
739 /* === E N D =============================================================== */
740
741 #endif