60bbc87145f9b95342813a4e0e9219f0725d877b
[synfig.git] /
1 /* === S Y N F I G ========================================================= */
2 /*!     \file state_rectangle.cpp
3 **      \brief Template File
4 **
5 **      $Id$
6 **
7 **      \legal
8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 **  Copyright (c) 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 /* === H E A D E R S ======================================================= */
25
26 #ifdef USING_PCH
27 #       include "pch.h"
28 #else
29 #ifdef HAVE_CONFIG_H
30 #       include <config.h>
31 #endif
32
33 #include <gtkmm/dialog.h>
34 #include <gtkmm/entry.h>
35
36 #include <synfig/valuenode_dynamiclist.h>
37 #include <synfigapp/action_system.h>
38 #include <synfig/valuenode_bline.h>
39
40 #include "state_rectangle.h"
41 #include "canvasview.h"
42 #include "workarea.h"
43 #include "app.h"
44
45 #include <synfigapp/action.h>
46 #include "event_mouse.h"
47 #include "event_layerclick.h"
48 #include "toolbox.h"
49 #include "dialog_tooloptions.h"
50 #include <gtkmm/optionmenu.h>
51 #include "duck.h"
52 #include <synfigapp/main.h>
53
54 #include "general.h"
55
56 #endif
57
58 /* === U S I N G =========================================================== */
59
60 using namespace std;
61 using namespace etl;
62 using namespace synfig;
63 using namespace studio;
64
65 /* === M A C R O S ========================================================= */
66
67 /* === G L O B A L S ======================================================= */
68
69 StateRectangle studio::state_rectangle;
70
71 /* === C L A S S E S & S T R U C T S ======================================= */
72
73 class studio::StateRectangle_Context : public sigc::trackable
74 {
75         etl::handle<CanvasView> canvas_view_;
76         CanvasView::IsWorking is_working;
77
78         Duckmatic::Push duckmatic_push;
79
80         Point point_holder;
81
82         etl::handle<Duck> point2_duck;
83
84         void refresh_ducks();
85
86         bool prev_workarea_layer_status_;
87
88         //Toolbox settings
89         synfigapp::Settings& settings;
90
91         //Toolbox display
92         Gtk::Table options_table;
93
94         Gtk::Entry              entry_id; //what to name the layer
95
96         Gtk::Adjustment adj_expand;
97         Gtk::Adjustment adj_feather;
98         Gtk::SpinButton spin_expand;
99         Gtk::SpinButton spin_feather;
100
101         Gtk::CheckButton checkbutton_invert;
102         Gtk::CheckButton checkbutton_layer_rectangle;
103         Gtk::CheckButton checkbutton_layer_region;
104         Gtk::CheckButton checkbutton_layer_outline;
105         Gtk::CheckButton checkbutton_layer_curve_gradient;
106         Gtk::CheckButton checkbutton_layer_plant;
107         Gtk::CheckButton checkbutton_layer_link_origins;
108
109 public:
110
111         // this only counts the layers which use blines - they're the only
112         // ones we link the origins for
113         int layers_to_create()const
114         {
115                 return
116                         get_layer_region_flag() +
117                         get_layer_outline_flag() +
118                         get_layer_curve_gradient_flag() +
119                         get_layer_plant_flag();
120         }
121
122         synfig::String get_id()const { return entry_id.get_text(); }
123         void set_id(const synfig::String& x) { return entry_id.set_text(x); }
124
125         Real get_expand()const { return adj_expand.get_value(); }
126         void set_expand(Real f) { adj_expand.set_value(f); }
127
128         Real get_feather()const { return adj_feather.get_value(); }
129         void set_feather(Real f) { adj_feather.set_value(f); }
130
131         bool get_invert()const { return checkbutton_invert.get_active(); }
132         void set_invert(bool i) { checkbutton_invert.set_active(i); }
133
134         bool get_layer_rectangle_flag()const { return checkbutton_layer_rectangle.get_active(); }
135         void set_layer_rectangle_flag(bool x) { return checkbutton_layer_rectangle.set_active(x); }
136
137         bool get_layer_region_flag()const { return checkbutton_layer_region.get_active(); }
138         void set_layer_region_flag(bool x) { return checkbutton_layer_region.set_active(x); }
139
140         bool get_layer_outline_flag()const { return checkbutton_layer_outline.get_active(); }
141         void set_layer_outline_flag(bool x) { return checkbutton_layer_outline.set_active(x); }
142
143         bool get_layer_curve_gradient_flag()const { return checkbutton_layer_curve_gradient.get_active(); }
144         void set_layer_curve_gradient_flag(bool x) { return checkbutton_layer_curve_gradient.set_active(x); }
145
146         bool get_layer_plant_flag()const { return checkbutton_layer_plant.get_active(); }
147         void set_layer_plant_flag(bool x) { return checkbutton_layer_plant.set_active(x); }
148
149         bool get_layer_link_origins_flag()const { return checkbutton_layer_link_origins.get_active(); }
150         void set_layer_link_origins_flag(bool x) { return checkbutton_layer_link_origins.set_active(x); }
151
152         void refresh_tool_options(); //to refresh the toolbox
153
154         //events
155         Smach::event_result event_stop_handler(const Smach::event& x);
156         Smach::event_result event_refresh_handler(const Smach::event& x);
157         Smach::event_result event_mouse_click_handler(const Smach::event& x);
158         Smach::event_result event_refresh_tool_options(const Smach::event& x);
159
160         //constructor destructor
161         StateRectangle_Context(CanvasView* canvas_view);
162         ~StateRectangle_Context();
163
164         //Canvas interaction
165         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
166         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
167         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
168         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
169
170         //Modifying settings etc.
171         void load_settings();
172         void save_settings();
173         void reset();
174         void increment_id();
175         bool egress_on_selection_change;
176         Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
177         {
178                 if(egress_on_selection_change)
179                         throw Smach::egress_exception();
180                 return Smach::RESULT_OK;
181         }
182
183         void make_rectangle(const Point& p1, const Point& p2);
184
185 };      // END of class StateGradient_Context
186
187 /* === M E T H O D S ======================================================= */
188
189 StateRectangle::StateRectangle():
190         Smach::state<StateRectangle_Context>("rectangle")
191 {
192         insert(event_def(EVENT_STOP,&StateRectangle_Context::event_stop_handler));
193         insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateRectangle_Context::event_layer_selection_changed_handler));
194         insert(event_def(EVENT_REFRESH,&StateRectangle_Context::event_refresh_handler));
195         insert(event_def(EVENT_REFRESH_DUCKS,&StateRectangle_Context::event_refresh_handler));
196         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateRectangle_Context::event_mouse_click_handler));
197         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateRectangle_Context::event_mouse_click_handler));
198         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateRectangle_Context::event_mouse_click_handler));
199         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateRectangle_Context::event_refresh_tool_options));
200 }
201
202 StateRectangle::~StateRectangle()
203 {
204 }
205
206 void
207 StateRectangle_Context::load_settings()
208 {
209         String value;
210
211         //parse the arguments yargh!
212         if(settings.get_value("rectangle.id",value))
213                 set_id(value);
214         else
215                 set_id("Rectangle");
216
217         if(settings.get_value("rectangle.expand",value))
218                 set_expand(atof(value.c_str()));
219         else
220                 set_expand(0);
221
222         if(settings.get_value("rectangle.feather",value))
223                 set_feather(atof(value.c_str()));
224         else
225                 set_feather(0);
226
227         if(settings.get_value("rectangle.invert",value) && value != "0")
228                 set_invert(true);
229         else
230                 set_invert(false);
231
232         if(settings.get_value("rectangle.layer_rectangle",value) && value=="0")
233                 set_layer_rectangle_flag(false);
234         else
235                 set_layer_rectangle_flag(true);
236
237         if(settings.get_value("rectangle.layer_region",value) && value=="1")
238                 set_layer_region_flag(true);
239         else
240                 set_layer_region_flag(false);
241
242         if(settings.get_value("rectangle.layer_outline",value) && value=="1")
243                 set_layer_outline_flag(true);
244         else
245                 set_layer_outline_flag(false);
246
247         if(settings.get_value("rectangle.layer_curve_gradient",value) && value=="1")
248                 set_layer_curve_gradient_flag(true);
249         else
250                 set_layer_curve_gradient_flag(false);
251
252         if(settings.get_value("rectangle.layer_plant",value) && value=="1")
253                 set_layer_plant_flag(true);
254         else
255                 set_layer_plant_flag(false);
256
257         if(settings.get_value("rectangle.layer_link_origins",value) && value=="0")
258                 set_layer_link_origins_flag(false);
259         else
260                 set_layer_link_origins_flag(true);
261 }
262
263 void
264 StateRectangle_Context::save_settings()
265 {
266         settings.set_value("rectangle.id",get_id().c_str());
267         settings.set_value("rectangle.expand",strprintf("%f",get_expand()));
268         settings.set_value("rectangle.feather",strprintf("%f",(float)get_feather()));
269         settings.set_value("rectangle.invert",get_invert()?"1":"0");
270         settings.set_value("rectangle.layer_rectangle",get_layer_rectangle_flag()?"1":"0");
271         settings.set_value("rectangle.layer_outline",get_layer_outline_flag()?"1":"0");
272         settings.set_value("rectangle.layer_region",get_layer_region_flag()?"1":"0");
273         settings.set_value("rectangle.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
274         settings.set_value("rectangle.layer_plant",get_layer_plant_flag()?"1":"0");
275         settings.set_value("rectangle.layer_link_origins",get_layer_link_origins_flag()?"1":"0");
276 }
277
278 void
279 StateRectangle_Context::reset()
280 {
281         refresh_ducks();
282 }
283
284 void
285 StateRectangle_Context::increment_id()
286 {
287         String id(get_id());
288         int number=1;
289         int digits=0;
290
291         if(id.empty())
292                 id="Rectangle";
293
294         // If there is a number
295         // already at the end of the
296         // id, then remove it.
297         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
298         {
299                 // figure out how many digits it is
300                 for (digits = 0;
301                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
302                          digits++)
303                         ;
304
305                 String str_number;
306                 str_number=String(id,id.size()-digits,id.size());
307                 id=String(id,0,id.size()-digits);
308
309                 number=atoi(str_number.c_str());
310         }
311         else
312         {
313                 number=1;
314                 digits=3;
315         }
316
317         number++;
318
319         // Add the number back onto the id
320         {
321                 const String format(strprintf("%%0%dd",digits));
322                 id+=strprintf(format.c_str(),number);
323         }
324
325         // Set the ID
326         set_id(id);
327 }
328
329 StateRectangle_Context::StateRectangle_Context(CanvasView* canvas_view):
330         canvas_view_(canvas_view),
331         is_working(*canvas_view),
332         duckmatic_push(get_work_area()),
333         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
334         settings(synfigapp::Main::get_selected_input_device()->settings()),
335         entry_id(),
336         adj_expand(0,0,1,0.01,0.1),
337         adj_feather(0,0,1,0.01,0.1),
338         spin_expand(adj_expand,0.1,3),
339         spin_feather(adj_feather,0.1,3),
340         checkbutton_invert(_("Invert")),
341         checkbutton_layer_rectangle(_("Create Rectangle Layer")),
342         checkbutton_layer_region(_("Create Region BLine")),
343         checkbutton_layer_outline(_("Create Outline BLine")),
344         checkbutton_layer_curve_gradient(_("Create Curve Gradient BLine")),
345         checkbutton_layer_plant(_("Create Plant BLine")),
346         checkbutton_layer_link_origins(_("Link BLine Origins"))
347 {
348         egress_on_selection_change=true;
349         load_settings();
350
351         // Set up the tool options dialog
352         options_table.attach(*manage(new Gtk::Label(_("Rectangle Tool"))),      0, 2,  0,  1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
353         options_table.attach(entry_id,                                                                          0, 2,  1,  2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
354
355         //expand stuff
356         options_table.attach(*manage(new Gtk::Label(_("Expansion:"))),          0, 1,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
357         options_table.attach(spin_expand,                                                                       1, 2,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
358
359         //feather stuff
360         options_table.attach(*manage(new Gtk::Label(_("Feather:"))),            0, 1,  3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
361         options_table.attach(spin_feather,                                                                      1, 2,  3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
362
363         //invert flag
364         options_table.attach(checkbutton_invert,                                                        1, 2,  4 , 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
365
366         options_table.attach(checkbutton_layer_rectangle,                                       0, 2,  7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
367         options_table.attach(checkbutton_layer_outline,                                         0, 2,  8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
368         options_table.attach(checkbutton_layer_region,                                          0, 2,  9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
369         options_table.attach(checkbutton_layer_plant,                                           0, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
370         options_table.attach(checkbutton_layer_curve_gradient,                          0, 2, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
371         options_table.attach(checkbutton_layer_link_origins,                            0, 2, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
372
373         options_table.show_all();
374
375         //App::dialog_tool_options->set_widget(options_table);
376         refresh_tool_options();
377         App::dialog_tool_options->present();
378
379         // Turn off layer clicking
380         get_work_area()->set_allow_layer_clicks(false);
381
382         // clear out the ducks
383         get_work_area()->clear_ducks();
384
385         // Refresh the work area
386         get_work_area()->queue_draw();
387
388         get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
389
390         // Hide the tables if they are showing
391         //prev_table_status=get_canvas_view()->tables_are_visible();
392         //if(prev_table_status)get_canvas_view()->hide_tables();
393
394         // Disable the time bar
395         //get_canvas_view()->set_sensitive_timebar(false);
396
397         // Connect a signal
398         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateRectangle_Context::on_user_click));
399
400         App::toolbox->refresh();
401 }
402
403 void
404 StateRectangle_Context::refresh_tool_options()
405 {
406         App::dialog_tool_options->clear();
407         App::dialog_tool_options->set_widget(options_table);
408         App::dialog_tool_options->set_local_name(_("Rectangle Tool"));
409         App::dialog_tool_options->set_name("rectangle");
410 }
411
412 Smach::event_result
413 StateRectangle_Context::event_refresh_tool_options(const Smach::event& /*x*/)
414 {
415         refresh_tool_options();
416         return Smach::RESULT_ACCEPT;
417 }
418
419 StateRectangle_Context::~StateRectangle_Context()
420 {
421         save_settings();
422
423         // Restore layer clicking
424         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
425
426         get_canvas_view()->work_area->reset_cursor();
427
428         App::dialog_tool_options->clear();
429
430         // Enable the time bar
431         //get_canvas_view()->set_sensitive_timebar(true);
432
433         // Bring back the tables if they were out before
434         //if(prev_table_status)get_canvas_view()->show_tables();
435
436         // Refresh the work area
437         get_work_area()->queue_draw();
438
439         get_canvas_view()->queue_rebuild_ducks();
440
441         App::toolbox->refresh();
442 }
443
444 Smach::event_result
445 StateRectangle_Context::event_stop_handler(const Smach::event& /*x*/)
446 {
447         throw Smach::egress_exception();
448 }
449
450 Smach::event_result
451 StateRectangle_Context::event_refresh_handler(const Smach::event& /*x*/)
452 {
453         refresh_ducks();
454         return Smach::RESULT_ACCEPT;
455 }
456
457 void
458 StateRectangle_Context::make_rectangle(const Point& _p1, const Point& _p2)
459 {
460         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Rectangle"));
461         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
462
463         Layer::Handle layer;
464
465         Canvas::Handle canvas;
466         int depth(0);
467
468         // we are temporarily using the layer to hold something
469         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
470         if(layer)
471         {
472                 depth=layer->get_depth();
473                 canvas=layer->get_canvas();
474         }
475
476         synfigapp::SelectionManager::LayerList layer_selection;
477         if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
478                 layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
479
480         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
481         const Point p1(transform.unperform(_p1));
482         const Point p2(transform.unperform(_p2));
483         Real x_min, x_max, y_min, y_max;
484         if (p1[0] < p2[0]) { x_min = p1[0]; x_max = p2[0]; } else { x_min = p2[0]; x_max = p1[0]; }
485         if (p1[1] < p2[1]) { y_min = p1[1]; y_max = p2[1]; } else { y_min = p2[1]; y_max = p1[1]; }
486         x_min -= get_expand(); x_max += get_expand(); y_min -= get_expand(); y_max += get_expand();
487
488         std::vector<BLinePoint> new_list;
489         for (int i = 0; i < 4; i++)
490         {
491                 new_list.push_back(*(new BLinePoint));
492                 new_list[i].set_width(1);
493                 new_list[i].set_vertex(Point((i==0||i==1)?x_min:x_max,
494                                                                          (i==0||i==3)?y_min:y_max));
495                 new_list[i].set_tangent(Point(0,0));
496         }
497
498         ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
499         assert(value_node_bline);
500
501         ValueNode_Const::Handle value_node_origin(ValueNode_Const::create(Vector()));
502         assert(value_node_origin);
503
504         // Set the looping flag
505         value_node_bline->set_loop(true);
506
507         if(!canvas)
508                 canvas=get_canvas_view()->get_canvas();
509
510         value_node_bline->set_member_canvas(canvas);
511
512         // count how many layers we're going to be creating
513         int layers_to_create = this->layers_to_create();
514
515         ///////////////////////////////////////////////////////////////////////////
516         //   R E C T A N G L E
517         ///////////////////////////////////////////////////////////////////////////
518
519         if (get_layer_rectangle_flag())
520         {
521                 layer=get_canvas_interface()->add_layer_to("rectangle",canvas,depth);
522                 layer_selection.push_back(layer);
523
524                 layer->set_param("point1",p1);
525                 get_canvas_interface()->signal_layer_param_changed()(layer,"point1");
526
527                 layer->set_param("point2",p2);
528                 get_canvas_interface()->signal_layer_param_changed()(layer,"point2");
529
530                 layer->set_param("expand",get_expand());
531                 get_canvas_interface()->signal_layer_param_changed()(layer,"expand");
532
533                 layer->set_param("invert",get_invert());
534                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
535
536                 layer->set_description(get_id());
537                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
538
539                 if(get_layer_outline_flag())
540                 {
541                         layer->set_param("color",synfigapp::Main::get_background_color());
542                         get_canvas_interface()->signal_layer_param_changed()(layer,"color");
543                 }
544         }
545
546         ///////////////////////////////////////////////////////////////////////////
547         //   C U R V E   G R A D I E N T
548         ///////////////////////////////////////////////////////////////////////////
549
550         if(get_layer_curve_gradient_flag())
551         {
552                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
553
554                 Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
555                 assert(layer);
556                 layer_selection.push_back(layer);
557                 layer->set_description(get_id()+_(" Gradient"));
558                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
559
560                 {
561                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
562                         assert(action);
563
564                         action->set_param("canvas",get_canvas());
565                         action->set_param("canvas_interface",get_canvas_interface());
566                         action->set_param("layer",layer);
567                         if(!action->set_param("param",String("bline")))
568                                 synfig::error("LayerParamConnect didn't like \"param\"");
569                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
570                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
571
572                         if(!get_canvas_interface()->get_instance()->perform_action(action))
573                         {
574                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
575                                 group.cancel();
576                                 throw String(_("Unable to create Gradient layer"));
577                                 return;
578                         }
579                 }
580
581                 // only link the curve gradient's origin parameter if the option is selected and we're creating more than one layer
582                 if (get_layer_link_origins_flag() && layers_to_create > 1)
583                 {
584                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
585                         assert(action);
586
587                         action->set_param("canvas",get_canvas());
588                         action->set_param("canvas_interface",get_canvas_interface());
589                         action->set_param("layer",layer);
590                         if(!action->set_param("param",String("origin")))
591                                 synfig::error("LayerParamConnect didn't like \"param\"");
592                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
593                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
594
595                         if(!get_canvas_interface()->get_instance()->perform_action(action))
596                         {
597                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
598                                 group.cancel();
599                                 throw String(_("Unable to create Gradient layer"));
600                                 return;
601                         }
602                 }
603         }
604
605         ///////////////////////////////////////////////////////////////////////////
606         //   P L A N T
607         ///////////////////////////////////////////////////////////////////////////
608
609         if(get_layer_plant_flag())
610         {
611                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
612
613                 Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
614                 assert(layer);
615                 layer_selection.push_back(layer);
616                 layer->set_description(get_id()+_(" Plant"));
617                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
618
619                 {
620                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
621                         assert(action);
622
623                         action->set_param("canvas",get_canvas());
624                         action->set_param("canvas_interface",get_canvas_interface());
625                         action->set_param("layer",layer);
626                         if(!action->set_param("param",String("bline")))
627                                 synfig::error("LayerParamConnect didn't like \"param\"");
628                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
629                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
630
631                         if(!get_canvas_interface()->get_instance()->perform_action(action))
632                         {
633                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
634                                 group.cancel();
635                                 throw String(_("Unable to create Plant layer"));
636                                 return;
637                         }
638                 }
639
640                 // only link the plant's origin parameter if the option is selected and we're creating more than one layer
641                 if (get_layer_link_origins_flag() && layers_to_create > 1)
642                 {
643                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
644                         assert(action);
645
646                         action->set_param("canvas",get_canvas());
647                         action->set_param("canvas_interface",get_canvas_interface());
648                         action->set_param("layer",layer);
649                         if(!action->set_param("param",String("origin")))
650                                 synfig::error("LayerParamConnect didn't like \"param\"");
651                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
652                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
653
654                         if(!get_canvas_interface()->get_instance()->perform_action(action))
655                         {
656                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
657                                 group.cancel();
658                                 throw String(_("Unable to create Plant layer"));
659                                 return;
660                         }
661                 }
662         }
663
664         ///////////////////////////////////////////////////////////////////////////
665         //   R E G I O N
666         ///////////////////////////////////////////////////////////////////////////
667
668         if(get_layer_region_flag())
669         {
670                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
671
672                 Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
673                 assert(layer);
674                 layer_selection.push_back(layer);
675                 layer->set_description(get_id()+_(" Region"));
676                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
677
678                 layer->set_param("feather",get_feather());
679                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
680
681                 layer->set_param("invert",get_invert());
682                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
683
684                 if(get_layer_outline_flag())
685                         layer->set_param("color",synfigapp::Main::get_background_color());
686
687                 // I don't know if it's safe to reuse the same layer_param_connect action, so I'm
688                 // using 2 separate ones.
689                 {
690                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
691                         assert(action);
692
693                         action->set_param("canvas",get_canvas());
694                         action->set_param("canvas_interface",get_canvas_interface());
695                         action->set_param("layer",layer);
696                         if(!action->set_param("param",String("bline")))
697                                 synfig::error("LayerParamConnect didn't like \"param\"");
698                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
699                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
700
701                         if(!get_canvas_interface()->get_instance()->perform_action(action))
702                         {
703                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
704                                 group.cancel();
705                                 throw String(_("Unable to create Region layer"));
706                                 return;
707                         }
708                 }
709
710                 // only link the region's origin parameter if the option is selected and we're creating more than one layer
711                 if (get_layer_link_origins_flag() && layers_to_create > 1)
712                 {
713                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
714                         assert(action);
715
716                         action->set_param("canvas",get_canvas());
717                         action->set_param("canvas_interface",get_canvas_interface());
718                         action->set_param("layer",layer);
719                         if(!action->set_param("param",String("origin")))
720                                 synfig::error("LayerParamConnect didn't like \"param\"");
721                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
722                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
723
724                         if(!get_canvas_interface()->get_instance()->perform_action(action))
725                         {
726                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
727                                 group.cancel();
728                                 throw String(_("Unable to create Region layer"));
729                                 return;
730                         }
731                 }
732         }
733
734         ///////////////////////////////////////////////////////////////////////////
735         //   O U T L I N E
736         ///////////////////////////////////////////////////////////////////////////
737
738         if (get_layer_outline_flag())
739         {
740                 Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
741                 assert(layer);
742                 layer_selection.push_back(layer);
743                 layer->set_description(get_id()+_(" Outline"));
744                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
745
746                 layer->set_param("feather",get_feather());
747                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
748
749                 layer->set_param("invert",get_invert());
750                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
751
752                 {
753                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
754                         assert(action);
755
756                         action->set_param("canvas",get_canvas());
757                         action->set_param("canvas_interface",get_canvas_interface());
758                         action->set_param("layer",layer);
759                         if(!action->set_param("param",String("bline")))
760                                 synfig::error("LayerParamConnect didn't like \"param\"");
761                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
762                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
763
764                         if(!get_canvas_interface()->get_instance()->perform_action(action))
765                         {
766                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
767                                 group.cancel();
768                                 throw String(_("Unable to create Outline layer"));
769                                 return;
770                         }
771                 }
772
773                 // only link the outline's origin parameter if the option is selected and we're creating more than one layer
774                 if (get_layer_link_origins_flag() && layers_to_create > 1)
775                 {
776                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
777                         assert(action);
778
779                         action->set_param("canvas",get_canvas());
780                         action->set_param("canvas_interface",get_canvas_interface());
781                         action->set_param("layer",layer);
782                         if(!action->set_param("param",String("origin")))
783                                 synfig::error("LayerParamConnect didn't like \"param\"");
784                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
785                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
786
787                         if(!get_canvas_interface()->get_instance()->perform_action(action))
788                         {
789                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
790                                 group.cancel();
791                                 throw String(_("Unable to create Outline layer"));
792                                 return;
793                         }
794                 }
795         }
796
797         egress_on_selection_change=false;
798         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
799         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
800         egress_on_selection_change=true;
801
802         //post clean up stuff...
803         reset();
804         increment_id();
805 }
806
807 Smach::event_result
808 StateRectangle_Context::event_mouse_click_handler(const Smach::event& x)
809 {
810         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
811
812         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
813         {
814                 point_holder=get_work_area()->snap_point_to_grid(event.pos);
815                 etl::handle<Duck> duck=new Duck();
816                 duck->set_point(point_holder);
817                 duck->set_name("p1");
818                 duck->set_type(Duck::TYPE_POSITION);
819                 get_work_area()->add_duck(duck);
820
821                 point2_duck=new Duck();
822                 point2_duck->set_point(point_holder);
823                 point2_duck->set_name("p2");
824                 point2_duck->set_type(Duck::TYPE_POSITION);
825                 point2_duck->set_box_duck(duck);
826                 get_work_area()->add_duck(point2_duck);
827
828                 return Smach::RESULT_ACCEPT;
829         }
830
831         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
832         {
833                 if (!point2_duck) return Smach::RESULT_OK;
834                 point2_duck->set_point(get_work_area()->snap_point_to_grid(event.pos));
835                 get_work_area()->queue_draw();
836                 return Smach::RESULT_ACCEPT;
837         }
838
839         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
840         {
841                 make_rectangle(point_holder, get_work_area()->snap_point_to_grid(event.pos));
842                 get_work_area()->clear_ducks();
843                 return Smach::RESULT_ACCEPT;
844         }
845
846         return Smach::RESULT_OK;
847 }
848
849
850 void
851 StateRectangle_Context::refresh_ducks()
852 {
853         get_work_area()->clear_ducks();
854         get_work_area()->queue_draw();
855 }