1 /* === S Y N F I G ========================================================= */
2 /*! \file state_normal.cpp
3 ** \brief Template File
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2007, 2008 Chris Moore
10 ** Copyright (c) 2009 Nikita Kitaev
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.
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.
23 /* ========================================================================= */
25 /* === H E A D E R S ======================================================= */
34 #include <gtkmm/dialog.h>
35 #include <gtkmm/entry.h>
37 #include <synfig/valuenode_animated.h>
38 #include <synfig/valuenode_blinecalcvertex.h>
39 #include <synfig/valuenode_composite.h>
40 #include <synfig/valuenode_const.h>
41 #include <synfig/valuenode_dynamiclist.h>
42 #include <synfigapp/action_system.h>
44 #include "state_normal.h"
45 #include "canvasview.h"
49 #include <synfigapp/action.h>
50 #include "event_mouse.h"
51 #include "event_layerclick.h"
53 #include "dialog_tooloptions.h"
54 #include <gtkmm/optionmenu.h>
56 #include <synfig/angle.h>
57 #include <synfigapp/main.h>
62 /* === U S I N G =========================================================== */
66 using namespace synfig;
67 using namespace studio;
69 /* === M A C R O S ========================================================= */
72 #define EPSILON 0.0000001
75 /* === G L O B A L S ======================================================= */
77 StateNormal studio::state_normal;
79 /* === C L A S S E S & S T R U C T S ======================================= */
81 class DuckDrag_Combo : public DuckDrag_Base
83 synfig::Vector last_move;
84 synfig::Vector drag_offset;
85 synfig::Vector center;
88 synfig::Angle original_angle;
89 synfig::Real original_mag;
91 std::vector<synfig::Vector> last_;
92 std::vector<synfig::Vector> positions;
99 CanvasView* canvas_view_;
104 void begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& begin);
105 bool end_duck_drag(Duckmatic* duckmatic);
106 void duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector);
108 etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
112 class studio::StateNormal_Context : public sigc::trackable
114 CanvasView* canvas_view_;
116 synfigapp::Settings& settings;
118 etl::handle<DuckDrag_Combo> duck_dragger_;
120 Gtk::Table options_table;
124 void refresh_cursor();
126 bool get_rotate_flag()const { if(duck_dragger_) return duck_dragger_->rotate; else return false; }
127 void set_rotate_flag(bool x) { if(duck_dragger_ && x!=duck_dragger_->rotate)
128 {duck_dragger_->rotate=x; refresh_cursor();} }
130 bool get_scale_flag()const { if(duck_dragger_) return duck_dragger_->scale; else return false; }
131 void set_scale_flag(bool x) { if(duck_dragger_ && x!=duck_dragger_->scale)
132 {duck_dragger_->scale=x; refresh_cursor();} }
134 bool get_constrain_flag()const { if(duck_dragger_) return duck_dragger_->constrain; else return false; }
135 void set_constrain_flag(bool x) { if(duck_dragger_ && x!=duck_dragger_->constrain)
136 {duck_dragger_->constrain=x; refresh_cursor();} }
138 StateNormal_Context(CanvasView* canvas_view);
140 ~StateNormal_Context();
142 CanvasView* get_canvas_view()const{return canvas_view_;}
143 etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
144 synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
145 WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
147 void load_settings();
148 void save_settings();
150 Smach::event_result event_stop_handler(const Smach::event& x);
151 Smach::event_result event_refresh_handler(const Smach::event& x);
152 Smach::event_result event_refresh_ducks_handler(const Smach::event& x);
153 Smach::event_result event_undo_handler(const Smach::event& x);
154 Smach::event_result event_redo_handler(const Smach::event& x);
155 Smach::event_result event_mouse_button_down_handler(const Smach::event& x);
156 Smach::event_result event_multiple_ducks_clicked_handler(const Smach::event& x);
157 Smach::event_result event_mouse_motion_handler(const Smach::event& x);
158 Smach::event_result event_refresh_tool_options(const Smach::event& x);
159 void refresh_tool_options();
160 Smach::event_result event_layer_click(const Smach::event& x);
163 }; // END of class StateNormal_Context
165 /* === M E T H O D S ======================================================= */
167 StateNormal::StateNormal():
168 Smach::state<StateNormal_Context>("normal")
170 insert(event_def(EVENT_STOP,&StateNormal_Context::event_stop_handler));
171 insert(event_def(EVENT_REFRESH,&StateNormal_Context::event_refresh_handler));
172 insert(event_def(EVENT_REFRESH_DUCKS,&StateNormal_Context::event_refresh_ducks_handler));
173 insert(event_def(EVENT_UNDO,&StateNormal_Context::event_undo_handler));
174 insert(event_def(EVENT_REDO,&StateNormal_Context::event_redo_handler));
175 insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateNormal_Context::event_mouse_button_down_handler));
176 insert(event_def(EVENT_WORKAREA_MULTIPLE_DUCKS_CLICKED,&StateNormal_Context::event_multiple_ducks_clicked_handler));
177 insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateNormal_Context::event_refresh_tool_options));
178 insert(event_def(EVENT_WORKAREA_MOUSE_MOTION, &StateNormal_Context::event_mouse_motion_handler));
179 insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG, &StateNormal_Context::event_mouse_motion_handler));
180 insert(event_def(EVENT_WORKAREA_LAYER_CLICKED,&StateNormal_Context::event_layer_click));
184 StateNormal::~StateNormal()
188 void StateNormal_Context::refresh_cursor()
190 // Check the current state and return when applicable
191 synfig::String sname;
192 sname=get_canvas_view()->get_smach().get_state_name();
196 // Change the cursor based on key flags
197 if(get_rotate_flag() && !get_scale_flag())
199 get_work_area()->set_cursor(Gdk::EXCHANGE);
202 if(!get_rotate_flag() && get_scale_flag())
204 get_work_area()->set_cursor(Gdk::SIZING);
207 if(get_rotate_flag() && get_scale_flag())
209 get_work_area()->set_cursor(Gdk::CROSSHAIR);
213 // Default cursor for Transform tool
214 get_work_area()->set_cursor(Gdk::ARROW);
219 StateNormal_Context::load_settings()
223 if(settings.get_value("normal.rotate",value) && value=="1")
224 set_rotate_flag(true);
226 set_rotate_flag(false);
228 if(settings.get_value("normal.scale",value) && value=="1")
229 set_scale_flag(true);
231 set_scale_flag(false);
233 if(settings.get_value("normal.constrain",value) && value=="1")
234 set_constrain_flag(true);
236 set_constrain_flag(false);
241 StateNormal_Context::save_settings()
243 settings.set_value("normal.rotate",get_rotate_flag()?"1":"0");
244 settings.set_value("normal.scale",get_scale_flag()?"1":"0");
245 settings.set_value("normal.constrain",get_constrain_flag()?"1":"0");
248 StateNormal_Context::StateNormal_Context(CanvasView* canvas_view):
249 canvas_view_(canvas_view),
250 settings(synfigapp::Main::get_selected_input_device()->settings()),
251 duck_dragger_(new DuckDrag_Combo())
253 duck_dragger_->canvas_view_=get_canvas_view();
255 // Set up the tool options dialog
256 options_table.attach(*manage(new Gtk::Label(_("Transform Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
257 options_table.attach(*manage(new Gtk::Label(_("Ctrl to rotate"), Gtk::ALIGN_LEFT)), 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
258 options_table.attach(*manage(new Gtk::Label(_("Alt to scale"), Gtk::ALIGN_LEFT)), 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
259 options_table.attach(*manage(new Gtk::Label(_("Shift to constrain"), Gtk::ALIGN_LEFT)), 0, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
261 options_table.show_all();
262 refresh_tool_options();
263 //App::dialog_tool_options->set_widget(options_table);
264 //App::dialog_tool_options->present();
266 get_work_area()->set_allow_layer_clicks(true);
267 get_work_area()->set_duck_dragger(duck_dragger_);
269 //these will segfault
270 // get_work_area()->set_cursor(Gdk::CROSSHAIR);
271 // get_work_area()->reset_cursor();
273 App::toolbox->refresh();
279 StateNormal_Context::refresh_tool_options()
281 App::dialog_tool_options->clear();
282 App::dialog_tool_options->set_widget(options_table);
283 App::dialog_tool_options->set_local_name(_("Transform Tool"));
284 App::dialog_tool_options->set_name("normal");
289 StateNormal_Context::~StateNormal_Context()
293 get_work_area()->clear_duck_dragger();
294 get_work_area()->reset_cursor();
296 App::dialog_tool_options->clear();
298 App::toolbox->refresh();
301 DuckDrag_Combo::DuckDrag_Combo():
304 constrain(false) // Lock aspect for scale
309 DuckDrag_Combo::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& offset)
311 last_move=Vector(1,1);
313 const DuckList selected_ducks(duckmatic->get_selected_ducks());
314 DuckList::const_iterator iter;
318 drag_offset=duckmatic->find_duck(offset)->get_trans_point();
320 //snap=drag_offset-duckmatic->snap_point_to_grid(drag_offset);
321 //snap=offset-drag_offset_;
325 Point vmin(100000000,100000000);
326 Point vmax(-100000000,-100000000);
327 //std::set<etl::handle<Duck> >::iterator iter;
330 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
332 Point p((*iter)->get_trans_point());
333 vmin[0]=min(vmin[0],p[0]);
334 vmin[1]=min(vmin[1],p[1]);
335 vmax[0]=max(vmax[0],p[0]);
336 vmax[1]=max(vmax[1],p[1]);
337 positions.push_back(p);
339 center=(vmin+vmax)*0.5;
340 if((vmin-vmax).mag()<=EPSILON)
346 synfig::Vector vect(offset-center);
347 original_angle=Angle::tan(vect[1],vect[0]);
348 original_mag=vect.mag();
353 DuckDrag_Combo::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
355 if (!duckmatic) return;
360 //Override axis lock set in workarea when holding down the shift key
361 if (!move_only && (scale || rotate))
362 duckmatic->set_axis_lock(false);
365 if (move_only || (!scale && !rotate))
366 vect= duckmatic->snap_point_to_grid(vector)-drag_offset+snap;
368 vect= duckmatic->snap_point_to_grid(vector)-center+snap;
372 const DuckList selected_ducks(duckmatic->get_selected_ducks());
373 DuckList::const_iterator iter;
375 Time time(duckmatic->get_time());
378 if( move_only || (!scale && !rotate) )
380 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
382 if((*iter)->get_type()==Duck::TYPE_VERTEX || (*iter)->get_type()==Duck::TYPE_POSITION)
383 (*iter)->set_trans_point(positions[i]+vect, time);
385 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
387 if((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION)
388 (*iter)->set_trans_point(positions[i]+vect, time);
394 Angle::deg angle(Angle::tan(vect[1],vect[0]));
395 angle=original_angle-angle;
398 float degrees = angle.get()/15;
399 angle= Angle::deg (degrees>0?std::floor(degrees)*15:std::ceil(degrees)*15);
401 Real mag(vect.mag()/original_mag);
402 Real sine(Angle::sin(angle).get());
403 Real cosine(Angle::cos(angle).get());
405 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
407 if((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION)continue;
409 Vector x(positions[i]-center),p;
411 p[0]=cosine*x[0]+sine*x[1];
412 p[1]=-sine*x[0]+cosine*x[1];
415 (*iter)->set_trans_point(p, time);
417 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
419 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
421 Vector x(positions[i]-center),p;
423 p[0]=cosine*x[0]+sine*x[1];
424 p[1]=-sine*x[0]+cosine*x[1];
427 (*iter)->set_trans_point(p, time);
433 if(abs(drag_offset[0]-center[0])>EPSILON)
434 vect[0]/=drag_offset[0]-center[0];
437 if(abs(drag_offset[1]-center[1])>EPSILON)
438 vect[1]/=drag_offset[1]-center[1];
445 if((drag_offset-center).mag() < EPSILON)
448 amount = vect.mag()/(drag_offset-center).mag();
450 vect[0]=vect[1]=amount;
453 if(vect[0]<EPSILON && vect[0]>-EPSILON)
455 if(vect[1]<EPSILON && vect[1]>-EPSILON)
458 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
460 if(((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
462 Vector p(positions[i]-center);
467 (*iter)->set_trans_point(p, time);
469 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
471 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
473 Vector p(positions[i]-center);
478 (*iter)->set_trans_point(p, time);
483 // then patch up the tangents for the vertices we've moved
484 duckmatic->update_ducks();
490 DuckDrag_Combo::end_duck_drag(Duckmatic* duckmatic)
492 if(bad_drag)return false;
494 //synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Rotate Ducks"));
496 if((last_move-Vector(1,1)).mag()>0.0001)
498 duckmatic->signal_edited_selected_ducks();
503 duckmatic->signal_user_click_selected_ducks(0);
509 StateNormal_Context::event_refresh_tool_options(const Smach::event& /*x*/)
511 refresh_tool_options();
512 return Smach::RESULT_ACCEPT;
516 StateNormal_Context::event_stop_handler(const Smach::event& /*x*/)
518 // synfig::info("STATE NORMAL: Received Stop Event");
519 canvas_view_->stop();
520 return Smach::RESULT_ACCEPT;
524 StateNormal_Context::event_refresh_handler(const Smach::event& /*x*/)
526 // synfig::info("STATE NORMAL: Received Refresh Event");
527 canvas_view_->rebuild_tables();
528 canvas_view_->work_area->queue_render_preview();
529 return Smach::RESULT_ACCEPT;
533 StateNormal_Context::event_refresh_ducks_handler(const Smach::event& /*x*/)
535 // synfig::info("STATE NORMAL: Received Refresh Ducks");
536 canvas_view_->queue_rebuild_ducks();
537 return Smach::RESULT_ACCEPT;
541 StateNormal_Context::event_undo_handler(const Smach::event& /*x*/)
543 // synfig::info("STATE NORMAL: Received Undo Event");
544 canvas_view_->get_instance()->undo();
545 return Smach::RESULT_ACCEPT;
549 StateNormal_Context::event_redo_handler(const Smach::event& /*x*/)
551 // synfig::info("STATE NORMAL: Received Redo Event");
552 canvas_view_->get_instance()->redo();
553 return Smach::RESULT_ACCEPT;
557 StateNormal_Context::event_mouse_button_down_handler(const Smach::event& x)
559 // synfig::info("STATE NORMAL: Received mouse button down Event");
561 const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
566 canvas_view_->popup_main_menu();
567 return Smach::RESULT_ACCEPT;
569 return Smach::RESULT_OK;
574 StateNormal_Context::event_mouse_motion_handler(const Smach::event& x)
576 // synfig::info("STATE NORMAL: Received mouse button down Event");
578 const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
580 set_rotate_flag(event.modifier&GDK_CONTROL_MASK);
581 set_scale_flag(event.modifier&GDK_MOD1_MASK);
582 set_constrain_flag(event.modifier&GDK_SHIFT_MASK);
584 return Smach::RESULT_OK;
588 StateNormal_Context::event_layer_click(const Smach::event& x)
590 const EventLayerClick& event(*reinterpret_cast<const EventLayerClick*>(&x));
594 // synfig::info("STATE NORMAL: Received layer click Event, \"%s\"",event.layer->get_name().c_str());
598 // synfig::info("STATE NORMAL: Received layer click Event with an empty layer.");
604 if(!(event.modifier&Gdk::CONTROL_MASK))
605 canvas_view_->get_selection_manager()->clear_selected_layers();
608 std::list<Layer::Handle> layer_list(canvas_view_->get_selection_manager()->get_selected_layers());
609 std::set<Layer::Handle> layers(layer_list.begin(),layer_list.end());
610 if(layers.count(event.layer))
612 layers.erase(event.layer);
613 layer_list=std::list<Layer::Handle>(layers.begin(),layers.end());
614 canvas_view_->get_selection_manager()->clear_selected_layers();
615 canvas_view_->get_selection_manager()->set_selected_layers(layer_list);
619 canvas_view_->get_selection_manager()->set_selected_layer(event.layer);
622 return Smach::RESULT_ACCEPT;
624 canvas_view_->popup_layer_menu(event.layer);
625 return Smach::RESULT_ACCEPT;
627 return Smach::RESULT_OK;
633 StateNormal_Context::edit_several_waypoints(std::list<synfigapp::ValueDesc> value_desc_list)
636 "Edit Multiple Waypoints", // Title
638 true // use_separator
641 Widget_WaypointModel widget_waypoint_model;
642 widget_waypoint_model.show();
644 dialog.get_vbox()->pack_start(widget_waypoint_model);
647 dialog.add_button(Gtk::StockID("gtk-apply"),1);
648 dialog.add_button(Gtk::StockID("gtk-cancel"),0);
653 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Set Waypoints"));
655 std::list<synfigapp::ValueDesc>::iterator iter;
656 for(iter=value_desc_list.begin();iter!=value_desc_list.end();++iter)
658 synfigapp::ValueDesc value_desc(*iter);
660 if(!value_desc.is_valid())
663 ValueNode_Animated::Handle value_node;
665 // If this value isn't a ValueNode_Animated, but
666 // it is somewhat constant, then go ahead and convert
667 // it to a ValueNode_Animated.
668 if(!value_desc.is_value_node() || ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node()))
671 if(value_desc.is_value_node())
672 value=ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node())->get_value();
674 value=value_desc.get_value();
676 value_node=ValueNode_Animated::create(value,get_canvas()->get_time());
678 synfigapp::Action::Handle action;
680 if(!value_desc.is_value_node())
682 action=synfigapp::Action::create("ValueDescConnect");
683 action->set_param("dest",value_desc);
684 action->set_param("src",ValueNode::Handle(value_node));
688 action=synfigapp::Action::create("ValueNodeReplace");
689 action->set_param("dest",value_desc.get_value_node());
690 action->set_param("src",ValueNode::Handle(value_node));
693 action->set_param("canvas",get_canvas());
694 action->set_param("canvas_interface",get_canvas_interface());
697 if(!get_canvas_interface()->get_instance()->perform_action(action))
699 get_canvas_view()->get_ui_interface()->error(_("Unable to convert to animated waypoint"));
706 if(value_desc.is_value_node())
707 value_node=ValueNode_Animated::Handle::cast_dynamic(value_desc.get_value_node());
714 synfigapp::Action::Handle action(synfigapp::Action::create("WaypointSetSmart"));
718 get_canvas_view()->get_ui_interface()->error(_("Unable to find WaypointSetSmart action"));
724 action->set_param("canvas",get_canvas());
725 action->set_param("canvas_interface",get_canvas_interface());
726 action->set_param("value_node",ValueNode::Handle(value_node));
727 action->set_param("time",get_canvas()->get_time());
728 action->set_param("model",widget_waypoint_model.get_waypoint_model());
730 if(!get_canvas_interface()->get_instance()->perform_action(action))
732 get_canvas_view()->get_ui_interface()->error(_("Unable to set a specific waypoint"));
739 //get_canvas_view()->get_ui_interface()->error(_("Unable to animate a specific valuedesc"));
749 StateNormal_Context::event_multiple_ducks_clicked_handler(const Smach::event& /*x*/)
751 // synfig::info("STATE NORMAL: Received multiple duck click event");
753 //const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
755 std::list<synfigapp::ValueDesc> value_desc_list;
757 // Create a list of value_descs associated with selection
758 const DuckList selected_ducks(get_work_area()->get_selected_ducks());
759 DuckList::const_iterator iter;
760 for(iter=selected_ducks.begin();iter!=selected_ducks.end();++iter)
762 synfigapp::ValueDesc value_desc((*iter)->get_value_desc());
764 if(!value_desc.is_valid())
767 if(value_desc.get_value_type()==ValueBase::TYPE_BLINEPOINT && value_desc.is_value_node() && ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node()))
769 value_desc_list.push_back(
770 synfigapp::ValueDesc(
771 ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node())
772 ,ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node())
773 ->get_link_index_from_name("point")
778 value_desc_list.push_back(value_desc);
781 Gtk::Menu *menu=manage(new Gtk::Menu());
782 menu->signal_hide().connect(sigc::bind(sigc::ptr_fun(&delete_widget), menu));
784 canvas_view_->get_instance()->make_param_menu(menu,canvas_view_->get_canvas(),value_desc_list);
787 synfigapp::Action::ParamList param_list;
788 param_list=get_canvas_interface()->generate_param_list(value_desc_list);
790 canvas_view_->add_actions_to_menu(menu, param_list,synfigapp::Action::CATEGORY_VALUEDESC|synfigapp::Action::CATEGORY_VALUENODE);
792 menu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Edit Waypoints"),
796 &studio::StateNormal_Context::edit_several_waypoints
802 menu->popup(3,gtk_get_current_event_time());
804 return Smach::RESULT_ACCEPT;