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