1 /* === S Y N F I G ========================================================= */
2 /*! \file state_transform.cpp
3 ** \brief Template File
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2008 Chris Moore
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.
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.
22 /* ========================================================================= */
24 /* === H E A D E R S ======================================================= */
33 #include <gtkmm/dialog.h>
34 #include <gtkmm/entry.h>
36 #include <synfig/valuenode_animated.h>
37 #include <synfig/valuenode_composite.h>
38 #include <synfig/valuenode_const.h>
39 #include <synfig/valuenode_dynamiclist.h>
40 #include <synfigapp/action_system.h>
42 #include "state_transform.h"
43 #include "canvasview.h"
47 #include <synfigapp/action.h>
48 #include "event_mouse.h"
49 #include "event_layerclick.h"
51 #include "dialog_tooloptions.h"
52 #include <gtkmm/optionmenu.h>
54 #include <synfig/angle.h>
55 #include <synfigapp/main.h>
60 /* === U S I N G =========================================================== */
64 using namespace synfig;
65 using namespace studio;
67 /* === M A C R O S ========================================================= */
70 #define EPSILON 0.0000001
73 /* === G L O B A L S ======================================================= */
75 StateTransform studio::state_transform;
77 /* === C L A S S E S & S T R U C T S ======================================= */
79 class DuckDrag_Combo : public DuckDrag_Base
81 synfig::Vector last_move;
82 synfig::Vector drag_offset;
83 synfig::Vector center;
86 synfig::Angle original_angle;
87 synfig::Real original_mag;
89 std::vector<synfig::Vector> last_;
90 std::vector<synfig::Vector> positions;
97 etl::handle<CanvasView> canvas_view_;
102 void begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& begin);
103 bool end_duck_drag(Duckmatic* duckmatic);
104 void duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector);
106 etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
110 class studio::StateTransform_Context : public sigc::trackable
112 etl::handle<CanvasView> canvas_view_;
114 synfigapp::Settings& settings;
116 sigc::connection keypress_connect;
117 sigc::connection keyrelease_connect;
119 etl::handle<DuckDrag_Combo> duck_dragger_;
121 Gtk::Table options_table;
123 Gtk::CheckButton checkbutton_rotate;
124 Gtk::CheckButton checkbutton_scale;
125 Gtk::CheckButton checkbutton_constrain;
129 bool get_rotate_flag()const { return checkbutton_rotate.get_active(); }
130 void set_rotate_flag(bool x) { checkbutton_rotate.set_active(x); refresh_rotate_flag(); }
131 void refresh_rotate_flag() { if(duck_dragger_)duck_dragger_->rotate=get_rotate_flag(); }
133 bool get_scale_flag()const { return checkbutton_scale.get_active(); }
134 void set_scale_flag(bool x) { checkbutton_scale.set_active(x); refresh_scale_flag(); }
135 void refresh_scale_flag() { if(duck_dragger_)duck_dragger_->scale=get_scale_flag(); }
137 bool get_constrain_flag()const { return checkbutton_constrain.get_active(); }
138 void set_constrain_flag(bool x) { checkbutton_constrain.set_active(x); refresh_constrain_flag(); }
139 void refresh_constrain_flag() { if(duck_dragger_)duck_dragger_->constrain=get_constrain_flag(); }
141 Smach::event_result event_stop_handler(const Smach::event& x);
142 Smach::event_result event_refresh_handler(const Smach::event& x);
143 Smach::event_result event_refresh_ducks_handler(const Smach::event& x);
144 Smach::event_result event_undo_handler(const Smach::event& x);
145 Smach::event_result event_redo_handler(const Smach::event& x);
146 Smach::event_result event_mouse_button_down_handler(const Smach::event& x);
147 Smach::event_result event_multiple_ducks_clicked_handler(const Smach::event& x);
148 Smach::event_result event_refresh_tool_options(const Smach::event& x);
149 Smach::event_result event_layer_click(const Smach::event& x);
151 void refresh_tool_options();
153 StateTransform_Context(CanvasView* canvas_view);
155 ~StateTransform_Context();
157 const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
158 etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
159 synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
160 WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
162 void load_settings();
163 void save_settings();
165 bool key_pressed(GdkEventKey *event);
166 bool key_released(GdkEventKey *event);
168 }; // END of class StateTransform_Context
170 /* === M E T H O D S ======================================================= */
172 StateTransform::StateTransform():
173 Smach::state<StateTransform_Context>("transform")
175 insert(event_def(EVENT_STOP,&StateTransform_Context::event_stop_handler));
176 insert(event_def(EVENT_REFRESH,&StateTransform_Context::event_refresh_handler));
177 insert(event_def(EVENT_REFRESH_DUCKS,&StateTransform_Context::event_refresh_ducks_handler));
178 insert(event_def(EVENT_UNDO,&StateTransform_Context::event_undo_handler));
179 insert(event_def(EVENT_REDO,&StateTransform_Context::event_redo_handler));
180 insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateTransform_Context::event_mouse_button_down_handler));
181 insert(event_def(EVENT_WORKAREA_MULTIPLE_DUCKS_CLICKED,&StateTransform_Context::event_multiple_ducks_clicked_handler));
182 insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateTransform_Context::event_refresh_tool_options));
183 insert(event_def(EVENT_WORKAREA_LAYER_CLICKED,&StateTransform_Context::event_layer_click));
186 StateTransform::~StateTransform()
191 StateTransform_Context::load_settings()
195 if(settings.get_value("transform.rotate",value) && value=="1")
196 set_rotate_flag(true);
198 set_rotate_flag(false);
200 if(settings.get_value("transform.scale",value) && value=="1")
201 set_scale_flag(true);
203 set_scale_flag(false);
205 if(settings.get_value("transform.constrain",value) && value=="1")
206 set_constrain_flag(true);
208 set_constrain_flag(false);
213 StateTransform_Context::save_settings()
215 settings.set_value("transform.rotate",get_rotate_flag()?"1":"0");
216 settings.set_value("transform.scale",get_scale_flag()?"1":"0");
217 settings.set_value("transform.constrain",get_constrain_flag()?"1":"0");
220 StateTransform_Context::StateTransform_Context(CanvasView* canvas_view):
221 canvas_view_(canvas_view),
222 settings(synfigapp::Main::get_selected_input_device()->settings()),
223 duck_dragger_(new DuckDrag_Combo()),
224 checkbutton_rotate(_("Rotate (Ctrl)")),
225 checkbutton_scale(_("Scale (Alt)")),
226 checkbutton_constrain(_("Constrain (Shift)"))
228 duck_dragger_->canvas_view_=get_canvas_view();
230 // Set up the tool options dialog
231 options_table.attach(*manage(new Gtk::Label(_("Transform Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
232 options_table.attach(checkbutton_rotate, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
233 options_table.attach(checkbutton_scale, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
234 options_table.attach(checkbutton_constrain, 0, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
236 checkbutton_rotate.signal_toggled().connect(sigc::mem_fun(*this,&StateTransform_Context::refresh_rotate_flag));
237 checkbutton_scale.signal_toggled().connect(sigc::mem_fun(*this,&StateTransform_Context::refresh_scale_flag));
238 checkbutton_constrain.signal_toggled().connect(sigc::mem_fun(*this,&StateTransform_Context::refresh_constrain_flag));
241 options_table.show_all();
242 refresh_tool_options();
243 //App::dialog_tool_options->set_widget(options_table);
244 App::dialog_tool_options->present();
246 get_work_area()->set_allow_layer_clicks(true);
247 get_work_area()->set_duck_dragger(duck_dragger_);
249 keypress_connect=get_work_area()->signal_key_press_event().connect(sigc::mem_fun(*this,&StateTransform_Context::key_pressed),false);
250 keyrelease_connect=get_work_area()->signal_key_release_event().connect(sigc::mem_fun(*this,&StateTransform_Context::key_released),false);
252 // get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
253 get_canvas_view()->work_area->reset_cursor();
255 App::toolbox->refresh();
258 refresh_scale_flag();
262 StateTransform_Context::key_pressed(GdkEventKey *event)
264 switch(event->keyval)
268 set_rotate_flag(true);
272 set_scale_flag(true);
276 set_constrain_flag(true);
281 return false; //Pass on the event to other handlers, just in case
285 StateTransform_Context::key_released(GdkEventKey *event)
287 switch(event->keyval)
291 set_rotate_flag(false);
295 set_scale_flag(false);
299 set_constrain_flag(false);
304 return false; //Pass on the event to other handlers
308 StateTransform_Context::refresh_tool_options()
310 App::dialog_tool_options->clear();
311 App::dialog_tool_options->set_widget(options_table);
312 App::dialog_tool_options->set_local_name(_("Transform Tool"));
313 App::dialog_tool_options->set_name("transform");
318 StateTransform_Context::~StateTransform_Context()
322 get_work_area()->clear_duck_dragger();
323 get_canvas_view()->work_area->reset_cursor();
325 keypress_connect.disconnect();
326 keyrelease_connect.disconnect();
328 App::dialog_tool_options->clear();
330 App::toolbox->refresh();
335 StateTransform_Context::event_refresh_tool_options(const Smach::event& /*x*/)
337 refresh_tool_options();
338 return Smach::RESULT_ACCEPT;
342 StateTransform_Context::event_stop_handler(const Smach::event& /*x*/)
344 // synfig::info("STATE TRANSFORM: Received Stop Event");
345 canvas_view_->stop();
346 return Smach::RESULT_ACCEPT;
350 StateTransform_Context::event_refresh_handler(const Smach::event& /*x*/)
352 // synfig::info("STATE TRANSFORM: Received Refresh Event");
353 canvas_view_->rebuild_tables();
354 canvas_view_->work_area->queue_render_preview();
355 return Smach::RESULT_ACCEPT;
359 StateTransform_Context::event_refresh_ducks_handler(const Smach::event& /*x*/)
361 // synfig::info("STATE TRANSFORM: Received Refresh Ducks");
362 canvas_view_->queue_rebuild_ducks();
363 return Smach::RESULT_ACCEPT;
367 StateTransform_Context::event_undo_handler(const Smach::event& /*x*/)
369 // synfig::info("STATE TRANSFORM: Received Undo Event");
370 canvas_view_->get_instance()->undo();
371 return Smach::RESULT_ACCEPT;
375 StateTransform_Context::event_redo_handler(const Smach::event& /*x*/)
377 // synfig::info("STATE TRANSFORM: Received Redo Event");
378 canvas_view_->get_instance()->redo();
379 return Smach::RESULT_ACCEPT;
383 StateTransform_Context::event_mouse_button_down_handler(const Smach::event& x)
385 // synfig::info("STATE TRANSFORM: Received mouse button down Event");
387 const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
392 canvas_view_->popup_main_menu();
393 return Smach::RESULT_ACCEPT;
395 return Smach::RESULT_OK;
400 StateTransform_Context::event_layer_click(const Smach::event& x)
402 const EventLayerClick& event(*reinterpret_cast<const EventLayerClick*>(&x));
406 // synfig::info("STATE TRANSFORM: Received layer click Event, \"%s\"",event.layer->get_name().c_str());
410 // synfig::info("STATE TRANSFORM: Received layer click Event with an empty layer.");
416 if(!(event.modifier&Gdk::CONTROL_MASK))
417 canvas_view_->get_selection_manager()->clear_selected_layers();
420 std::list<Layer::Handle> layer_list(canvas_view_->get_selection_manager()->get_selected_layers());
421 std::set<Layer::Handle> layers(layer_list.begin(),layer_list.end());
422 if(layers.count(event.layer))
424 layers.erase(event.layer);
425 layer_list=std::list<Layer::Handle>(layers.begin(),layers.end());
426 canvas_view_->get_selection_manager()->clear_selected_layers();
427 canvas_view_->get_selection_manager()->set_selected_layers(layer_list);
431 canvas_view_->get_selection_manager()->set_selected_layer(event.layer);
434 return Smach::RESULT_ACCEPT;
436 canvas_view_->popup_layer_menu(event.layer);
437 return Smach::RESULT_ACCEPT;
439 return Smach::RESULT_OK;
445 StateTransform_Context::edit_several_waypoints(std::list<synfigapp::ValueDesc> value_desc_list)
448 "Edit Multiple Waypoints", // Title
450 true // use_separator
453 Widget_WaypointModel widget_waypoint_model;
454 widget_waypoint_model.show();
456 dialog.get_vbox()->pack_start(widget_waypoint_model);
459 dialog.add_button(Gtk::StockID("gtk-apply"),1);
460 dialog.add_button(Gtk::StockID("gtk-cancel"),0);
465 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Set Waypoints"));
467 std::list<synfigapp::ValueDesc>::iterator iter;
468 for(iter=value_desc_list.begin();iter!=value_desc_list.end();++iter)
470 synfigapp::ValueDesc value_desc(*iter);
472 if(!value_desc.is_valid())
475 ValueNode_Animated::Handle value_node;
477 // If this value isn't a ValueNode_Animated, but
478 // it is somewhat constant, then go ahead and convert
479 // it to a ValueNode_Animated.
480 if(!value_desc.is_value_node() || ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node()))
483 if(value_desc.is_value_node())
484 value=ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node())->get_value();
486 value=value_desc.get_value();
488 value_node=ValueNode_Animated::create(value,get_canvas()->get_time());
490 synfigapp::Action::Handle action;
492 if(!value_desc.is_value_node())
494 action=synfigapp::Action::create("ValueDescConnect");
495 action->set_param("dest",value_desc);
496 action->set_param("src",ValueNode::Handle(value_node));
500 action=synfigapp::Action::create("ValueNodeReplace");
501 action->set_param("dest",value_desc.get_value_node());
502 action->set_param("src",ValueNode::Handle(value_node));
505 action->set_param("canvas",get_canvas());
506 action->set_param("canvas_interface",get_canvas_interface());
509 if(!get_canvas_interface()->get_instance()->perform_action(action))
511 get_canvas_view()->get_ui_interface()->error(_("Unable to convert to animated waypoint"));
518 if(value_desc.is_value_node())
519 value_node=ValueNode_Animated::Handle::cast_dynamic(value_desc.get_value_node());
526 synfigapp::Action::Handle action(synfigapp::Action::create("WaypointSetSmart"));
530 get_canvas_view()->get_ui_interface()->error(_("Unable to find WaypointSetSmart action"));
536 action->set_param("canvas",get_canvas());
537 action->set_param("canvas_interface",get_canvas_interface());
538 action->set_param("value_node",ValueNode::Handle(value_node));
539 action->set_param("time",get_canvas()->get_time());
540 action->set_param("model",widget_waypoint_model.get_waypoint_model());
542 if(!get_canvas_interface()->get_instance()->perform_action(action))
544 get_canvas_view()->get_ui_interface()->error(_("Unable to set a specific waypoint"));
551 //get_canvas_view()->get_ui_interface()->error(_("Unable to animate a specific valuedesc"));
561 StateTransform_Context::event_multiple_ducks_clicked_handler(const Smach::event& /*x*/)
563 // synfig::info("STATE TRANSFORM: Received multiple duck click event");
565 //const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
567 std::list<synfigapp::ValueDesc> value_desc_list;
569 // Create a list of value_descs associated with selection
570 const DuckList selected_ducks(get_work_area()->get_selected_ducks());
571 DuckList::const_iterator iter;
572 for(iter=selected_ducks.begin();iter!=selected_ducks.end();++iter)
574 synfigapp::ValueDesc value_desc((*iter)->get_value_desc());
576 if(!value_desc.is_valid())
579 if(value_desc.get_value_type()==ValueBase::TYPE_BLINEPOINT && value_desc.is_value_node() && ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node()))
581 value_desc_list.push_back(
582 synfigapp::ValueDesc(
583 ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node())
584 ,ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node())
585 ->get_link_index_from_name("point")
590 value_desc_list.push_back(value_desc);
593 Gtk::Menu *menu=manage(new Gtk::Menu());
594 menu->signal_hide().connect(sigc::bind(sigc::ptr_fun(&delete_widget), menu));
596 canvas_view_->get_instance()->make_param_menu(menu,canvas_view_->get_canvas(),value_desc_list);
599 synfigapp::Action::ParamList param_list;
600 param_list=get_canvas_interface()->generate_param_list(value_desc_list);
602 canvas_view_->add_actions_to_menu(menu, param_list,synfigapp::Action::CATEGORY_VALUEDESC|synfigapp::Action::CATEGORY_VALUENODE);
604 menu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Edit Waypoints"),
608 &studio::StateTransform_Context::edit_several_waypoints
614 menu->popup(3,gtk_get_current_event_time());
616 return Smach::RESULT_ACCEPT;
619 DuckDrag_Combo::DuckDrag_Combo():
622 constrain(false) // Lock aspect for scale; smooth move for translate
627 DuckDrag_Combo::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& offset)
629 last_move=Vector(1,1);
631 const DuckList selected_ducks(duckmatic->get_selected_ducks());
632 DuckList::const_iterator iter;
636 drag_offset=duckmatic->find_duck(offset)->get_trans_point();
638 //snap=drag_offset-duckmatic->snap_point_to_grid(drag_offset);
639 //snap=offset-drag_offset_;
643 Point vmin(100000000,100000000);
644 Point vmax(-100000000,-100000000);
645 //std::set<etl::handle<Duck> >::iterator iter;
648 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
650 Point p((*iter)->get_trans_point());
651 vmin[0]=min(vmin[0],p[0]);
652 vmin[1]=min(vmin[1],p[1]);
653 vmax[0]=max(vmax[0],p[0]);
654 vmax[1]=max(vmax[1],p[1]);
655 positions.push_back(p);
657 center=(vmin+vmax)*0.5;
658 if((vmin-vmax).mag()<=EPSILON)
664 synfig::Vector vect(offset-center);
665 original_angle=Angle::tan(vect[1],vect[0]);
666 original_mag=vect.mag();
671 DuckDrag_Combo::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
673 if (!duckmatic) return;
678 //std::set<etl::handle<Duck> >::iterator iter;
680 if (move_only || (!scale && !rotate))
681 vect= duckmatic->snap_point_to_grid(vector)-drag_offset+snap;
683 vect= duckmatic->snap_point_to_grid(vector)-center+snap;
687 const DuckList selected_ducks(duckmatic->get_selected_ducks());
688 DuckList::const_iterator iter;
690 Time time(duckmatic->get_time());
693 if( move_only || (!scale && !rotate) )
695 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
697 if((*iter)->get_type()==Duck::TYPE_VERTEX || (*iter)->get_type()==Duck::TYPE_POSITION)
698 (*iter)->set_trans_point(positions[i]+vect, time);
700 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
702 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))
703 (*iter)->set_trans_point(positions[i]+vect, time);
705 DuckList duck_list(duckmatic->get_duck_list());
706 for (iter=duck_list.begin(); iter!=duck_list.end(); ++iter)
708 if ((*iter)->get_type() == Duck::TYPE_TANGENT || (*iter)->get_type() == Duck::TYPE_WIDTH)
710 (*iter)->update(time);
718 Angle::tan angle(vect[1],vect[0]);
719 angle=original_angle-angle;
720 Real mag(vect.mag()/original_mag);
721 Real sine(Angle::sin(angle).get());
722 Real cosine(Angle::cos(angle).get());
724 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
726 if((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION)continue;
728 Vector x(positions[i]-center),p;
730 p[0]=cosine*x[0]+sine*x[1];
731 p[1]=-sine*x[0]+cosine*x[1];
734 (*iter)->set_trans_point(p);
736 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
738 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
740 Vector x(positions[i]-center),p;
742 p[0]=cosine*x[0]+sine*x[1];
743 p[1]=-sine*x[0]+cosine*x[1];
746 (*iter)->set_trans_point(p);
752 if(abs(drag_offset[0]-center[0])>EPSILON)
753 vect[0]/=drag_offset[0]-center[0];
756 if(abs(drag_offset[1]-center[1])>EPSILON)
757 vect[1]/=drag_offset[1]-center[1];
763 //vect[0]=vect[1]=vect.mag()*0.707106781;
764 Real amount(vect.mag()/(drag_offset-center).mag());
765 vect[0]=vect[1]=amount;
768 if(vect[0]<EPSILON && vect[0]>-EPSILON)
770 if(vect[1]<EPSILON && vect[1]>-EPSILON)
773 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
775 if(((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
777 Vector p(positions[i]-center);
782 (*iter)->set_trans_point(p);
784 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
786 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
788 Vector p(positions[i]-center);
793 (*iter)->set_trans_point(p);
800 DuckDrag_Combo::end_duck_drag(Duckmatic* duckmatic)
802 if(bad_drag)return false;
804 //synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Rotate Ducks"));
806 if((last_move-Vector(1,1)).mag()>0.0001)
808 duckmatic->signal_edited_selected_ducks();
813 duckmatic->signal_user_click_selected_ducks(0);