synfig-studio/src/gtkmm/state_null.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file state_null.cpp
   3 **      \brief Null State File
   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 Nikita Kitaev
  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 /* === H E A D E R S ======================================================= */
  26
  27 #ifdef USING_PCH
  28 #       include "pch.h"
  29 #else
  30 #ifdef HAVE_CONFIG_H
  31 #       include <config.h>
  32 #endif
  33
  34 #include "state_null.h"
  35 #include "workarea.h"
  36 #include "event_mouse.h"
  37 #include "event_layerclick.h"
  38 #include "toolbox.h"
  39 #include "dialog_tooloptions.h"
  40 #include <gtkmm/dialog.h>
  41 #include "widget_waypointmodel.h"
  42 #include <synfig/valuenode_animated.h>
  43 #include <synfig/valuenode_composite.h>
  44 #include <synfig/valuenode_const.h>
  45 #include "canvasview.h"
  46 #include "general.h"
  47
  48 #endif
  49
  50 /* === U S I N G =========================================================== */
  51
  52 using namespace std;
  53 using namespace etl;
  54 using namespace synfig;
  55 using namespace studio;
  56
  57 /* === M A C R O S ========================================================= */
  58
  59 /* === G L O B A L S ======================================================= */
  60
  61 StateNull studio::state_null;
  62
  63 /* === C L A S S E S & S T R U C T S ======================================= */
  64
  65 class studio::StateNull_Context : public sigc::trackable
  66 {
  67         CanvasView *canvas_view;
  68
  69         CanvasView* get_canvas_view() { return canvas_view; }
  70         Canvas::Handle get_canvas() { return canvas_view->get_canvas(); }
  71         WorkArea* get_work_area() { return canvas_view->get_work_area(); }
  72         etl::handle<synfigapp::CanvasInterface> get_canvas_interface() { return canvas_view->canvas_interface(); }
  73
  74         Gtk::Table options_table;
  75
  76 public:
  77         StateNull_Context(CanvasView *canvas_view);
  78         ~StateNull_Context();
  79
  80         Smach::event_result event_stop_handler(const Smach::event& x);
  81         Smach::event_result event_refresh_handler(const Smach::event& x);
  82         Smach::event_result event_refresh_ducks_handler(const Smach::event& x);
  83         Smach::event_result event_undo_handler(const Smach::event& x);
  84         Smach::event_result event_redo_handler(const Smach::event& x);
  85         Smach::event_result event_mouse_button_down_handler(const Smach::event& x);
  86         Smach::event_result event_multiple_ducks_clicked_handler(const Smach::event& x);
  87         Smach::event_result event_refresh_tool_options(const Smach::event& x);
  88         Smach::event_result event_layer_click(const Smach::event& x);
  89
  90         void refresh_tool_options();
  91 }; // END of class StateNull_Context
  92
  93 /* === P R O C E D U R E S ================================================= */
  94
  95 /* === M E T H O D S ======================================================= */
  96
  97 StateNull::StateNull():
  98         Smach::state<StateNull_Context>("null")
  99 {
 100         insert(event_def(EVENT_STOP,&StateNull_Context::event_stop_handler));
 101         insert(event_def(EVENT_REFRESH,&StateNull_Context::event_refresh_handler));
 102         insert(event_def(EVENT_REFRESH_DUCKS,&StateNull_Context::event_refresh_ducks_handler));
 103         insert(event_def(EVENT_UNDO,&StateNull_Context::event_undo_handler));
 104         insert(event_def(EVENT_REDO,&StateNull_Context::event_redo_handler));
 105         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateNull_Context::event_mouse_button_down_handler));
 106         insert(event_def(EVENT_WORKAREA_MULTIPLE_DUCKS_CLICKED,&StateNull_Context::event_multiple_ducks_clicked_handler));
 107         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateNull_Context::event_refresh_tool_options));
 108         insert(event_def(EVENT_WORKAREA_LAYER_CLICKED,&StateNull_Context::event_layer_click));
 109 }
 110
 111 StateNull::~StateNull()
 112 {
 113 }
 114
 115 StateNull_Context::StateNull_Context(CanvasView *canvas_view):
 116         canvas_view(canvas_view)
 117 {
 118         // Synfig Studio's default state is initialized in the canvas view constructor
 119         // As a result, it cannot reference canvas view or workarea when created
 120         // Other states need to reference the workarea,
 121         //    so a null state was created to be the default
 122
 123         options_table.attach(*manage(new Gtk::Label(_("Welcome to Synfig Studio"))),    0, 2,  0,  1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 124         options_table.show_all();
 125         refresh_tool_options();
 126 }
 127
 128 StateNull_Context::~StateNull_Context()
 129 {
 130 }
 131
 132 void
 133 StateNull_Context::refresh_tool_options()
 134 {
 135         App::dialog_tool_options->clear();
 136         App::dialog_tool_options->set_widget(options_table);
 137         App::dialog_tool_options->set_local_name(_("Welcome to Synfig Studio"));
 138         App::dialog_tool_options->set_name("null");
 139 }
 140
 141 Smach::event_result
 142 StateNull_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 143 {
 144         refresh_tool_options();
 145         return Smach::RESULT_ACCEPT;
 146 }
 147
 148 Smach::event_result
 149 StateNull_Context::event_stop_handler(const Smach::event& /*x*/)
 150 {
 151         // synfig::info("STATE NULL: Received Stop Event");
 152         canvas_view->stop();
 153         return Smach::RESULT_ACCEPT;
 154 }
 155
 156 Smach::event_result
 157 StateNull_Context::event_refresh_handler(const Smach::event& /*x*/)
 158 {
 159         // synfig::info("STATE NULL: Received Refresh Event");
 160         canvas_view->rebuild_tables();
 161         canvas_view->work_area->queue_render_preview();
 162         return Smach::RESULT_ACCEPT;
 163 }
 164
 165 Smach::event_result
 166 StateNull_Context::event_refresh_ducks_handler(const Smach::event& /*x*/)
 167 {
 168         // synfig::info("STATE NULL: Received Refresh Ducks");
 169         canvas_view->queue_rebuild_ducks();
 170         return Smach::RESULT_ACCEPT;
 171 }
 172
 173 Smach::event_result
 174 StateNull_Context::event_undo_handler(const Smach::event& /*x*/)
 175 {
 176         // synfig::info("STATE NULL: Received Undo Event");
 177         canvas_view->get_instance()->undo();
 178         return Smach::RESULT_ACCEPT;
 179 }
 180
 181 Smach::event_result
 182 StateNull_Context::event_redo_handler(const Smach::event& /*x*/)
 183 {
 184         // synfig::info("STATE NULL: Received Redo Event");
 185         canvas_view->get_instance()->redo();
 186         return Smach::RESULT_ACCEPT;
 187 }
 188
 189 Smach::event_result
 190 StateNull_Context::event_mouse_button_down_handler(const Smach::event& x)
 191 {
 192         // synfig::info("STATE NULL: Received mouse button down Event");
 193
 194         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 195
 196         switch(event.button)
 197         {
 198         case BUTTON_RIGHT:
 199                 canvas_view->popup_main_menu();
 200                 return Smach::RESULT_ACCEPT;
 201         default:
 202                 return Smach::RESULT_OK;
 203         }
 204 }
 205
 206 Smach::event_result
 207 StateNull_Context::event_layer_click(const Smach::event& x)
 208 {
 209         const EventLayerClick& event(*reinterpret_cast<const EventLayerClick*>(&x));
 210
 211         if(event.layer)
 212         {
 213                 // synfig::info("STATE NULL: Received layer click Event, \"%s\"",event.layer->get_name().c_str());
 214         }
 215         else
 216         {
 217                 // synfig::info("STATE NULL: Received layer click Event with an empty layer.");
 218         }
 219
 220         switch(event.button)
 221         {
 222         case BUTTON_LEFT:
 223                 if(!(event.modifier&Gdk::CONTROL_MASK))
 224                         canvas_view->get_selection_manager()->clear_selected_layers();
 225                 if(event.layer)
 226                 {
 227                         std::list<Layer::Handle> layer_list(canvas_view->get_selection_manager()->get_selected_layers());
 228                         std::set<Layer::Handle> layers(layer_list.begin(),layer_list.end());
 229                         if(layers.count(event.layer))
 230                         {
 231                                 layers.erase(event.layer);
 232                                 layer_list=std::list<Layer::Handle>(layers.begin(),layers.end());
 233                                 canvas_view->get_selection_manager()->clear_selected_layers();
 234                                 canvas_view->get_selection_manager()->set_selected_layers(layer_list);
 235                         }
 236                         else
 237                         {
 238                                 canvas_view->get_selection_manager()->set_selected_layer(event.layer);
 239                         }
 240                 }
 241                 return Smach::RESULT_ACCEPT;
 242         case BUTTON_RIGHT:
 243                 canvas_view->popup_layer_menu(event.layer);
 244                 return Smach::RESULT_ACCEPT;
 245         default:
 246                 return Smach::RESULT_OK;
 247         }
 248 }
 249
 250 /*
 251 void
 252 StateNull_Context::edit_several_waypoints(std::list<synfigapp::ValueDesc> value_desc_list)
 253 {
 254         Gtk::Dialog dialog(
 255                 "Edit Multiple Waypoints",              // Title
 256                 true,           // Modal
 257                 true            // use_separator
 258         );
 259
 260         Widget_WaypointModel widget_waypoint_model;
 261         widget_waypoint_model.show();
 262
 263         dialog.get_vbox()->pack_start(widget_waypoint_model);
 264
 265
 266         dialog.add_button(Gtk::StockID("gtk-apply"),1);
 267         dialog.add_button(Gtk::StockID("gtk-cancel"),0);
 268         dialog.show();
 269
 270         if(dialog.run()==0)
 271                 return;
 272         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Set Waypoints"));
 273
 274         std::list<synfigapp::ValueDesc>::iterator iter;
 275         for(iter=value_desc_list.begin();iter!=value_desc_list.end();++iter)
 276         {
 277                 synfigapp::ValueDesc value_desc(*iter);
 278
 279                 if(!value_desc.is_valid())
 280                         continue;
 281
 282                 ValueNode_Animated::Handle value_node;
 283
 284                 // If this value isn't a ValueNode_Animated, but
 285                 // it is somewhat constant, then go ahead and convert
 286                 // it to a ValueNode_Animated.
 287                 if(!value_desc.is_value_node() || ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node()))
 288                 {
 289                         ValueBase value;
 290                         if(value_desc.is_value_node())
 291                                 value=ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node())->get_value();
 292                         else
 293                                 value=value_desc.get_value();
 294
 295                         value_node=ValueNode_Animated::create(value,get_canvas()->get_time());
 296
 297                         synfigapp::Action::Handle action;
 298
 299                         if(!value_desc.is_value_node())
 300                         {
 301                                 action=synfigapp::Action::create("ValueDescConnect");
 302                                 action->set_param("dest",value_desc);
 303                                 action->set_param("src",ValueNode::Handle(value_node));
 304                         }
 305                         else
 306                         {
 307                                 action=synfigapp::Action::create("ValueNodeReplace");
 308                                 action->set_param("dest",value_desc.get_value_node());
 309                                 action->set_param("src",ValueNode::Handle(value_node));
 310                         }
 311
 312                         action->set_param("canvas",get_canvas());
 313                         action->set_param("canvas_interface",get_canvas_interface());
 314
 315
 316                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 317                         {
 318                                 get_canvas_view()->get_ui_interface()->error(_("Unable to convert to animated waypoint"));
 319                                 group.cancel();
 320                                 return;
 321                         }
 322                 }
 323                 else
 324                 {
 325                         if(value_desc.is_value_node())
 326                                 value_node=ValueNode_Animated::Handle::cast_dynamic(value_desc.get_value_node());
 327                 }
 328
 329
 330                 if(value_node)
 331                 {
 332
 333                         synfigapp::Action::Handle action(synfigapp::Action::create("WaypointSetSmart"));
 334
 335                         if(!action)
 336                         {
 337                                 get_canvas_view()->get_ui_interface()->error(_("Unable to find WaypointSetSmart action"));
 338                                 group.cancel();
 339                                 return;
 340                         }
 341
 342
 343                         action->set_param("canvas",get_canvas());
 344                         action->set_param("canvas_interface",get_canvas_interface());
 345                         action->set_param("value_node",ValueNode::Handle(value_node));
 346                         action->set_param("time",get_canvas()->get_time());
 347                         action->set_param("model",widget_waypoint_model.get_waypoint_model());
 348
 349                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 350                         {
 351                                 get_canvas_view()->get_ui_interface()->error(_("Unable to set a specific waypoint"));
 352                                 group.cancel();
 353                                 return;
 354                         }
 355                 }
 356                 else
 357                 {
 358                         //get_canvas_view()->get_ui_interface()->error(_("Unable to animate a specific valuedesc"));
 359                         //group.cancel();
 360                         //return;
 361                 }
 362
 363         }
 364 }
 365 */
 366
 367 Smach::event_result
 368 StateNull_Context::event_multiple_ducks_clicked_handler(const Smach::event& /*x*/)
 369 {
 370         // synfig::info("STATE NULL: Received multiple duck click event");
 371
 372         //const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 373
 374         std::list<synfigapp::ValueDesc> value_desc_list;
 375
 376         // Create a list of value_descs associated with selection
 377         const DuckList selected_ducks(get_work_area()->get_selected_ducks());
 378         DuckList::const_iterator iter;
 379         for(iter=selected_ducks.begin();iter!=selected_ducks.end();++iter)
 380         {
 381                 synfigapp::ValueDesc value_desc((*iter)->get_value_desc());
 382
 383                 if(!value_desc.is_valid())
 384                         continue;
 385
 386                 if(value_desc.get_value_type()==ValueBase::TYPE_BLINEPOINT && value_desc.is_value_node() && ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node()))
 387                 {
 388                         value_desc_list.push_back(
 389                                 synfigapp::ValueDesc(
 390                                         ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node())
 391                                         ,ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node())
 392                                                                ->get_link_index_from_name("point")
 393                                 )
 394                         );
 395                 }
 396                 else
 397                         value_desc_list.push_back(value_desc);
 398         }
 399
 400         Gtk::Menu *menu=manage(new Gtk::Menu());
 401         menu->signal_hide().connect(sigc::bind(sigc::ptr_fun(&delete_widget), menu));
 402
 403         canvas_view->get_instance()->make_param_menu(menu,canvas_view->get_canvas(),value_desc_list);
 404
 405         /*
 406         synfigapp::Action::ParamList param_list;
 407         param_list=get_canvas_interface()->generate_param_list(value_desc_list);
 408
 409         canvas_view->add_actions_to_menu(menu, param_list,synfigapp::Action::CATEGORY_VALUEDESC|synfigapp::Action::CATEGORY_VALUENODE);
 410
 411         menu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Edit Waypoints"),
 412                 sigc::bind(
 413                         sigc::mem_fun(
 414                                 *this,
 415                                 &studio::StateNull_Context::edit_several_waypoints
 416                         ),
 417                         value_desc_list
 418                 )
 419         ));
 420         */
 421         menu->popup(3,gtk_get_current_event_time());
 422
 423         return Smach::RESULT_ACCEPT;
 424 }
 425