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 etl::handle<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 etl::handle<CanvasView> canvas_view_;
116 synfigapp::Settings& settings;
118 sigc::connection keypress_connect;
119 sigc::connection keyrelease_connect;
121 etl::handle<DuckDrag_Combo> duck_dragger_;
123 Gtk::Table options_table;
125 Gtk::CheckButton checkbutton_rotate;
126 Gtk::CheckButton checkbutton_scale;
127 Gtk::CheckButton checkbutton_constrain;
131 bool get_rotate_flag()const { return checkbutton_rotate.get_active(); }
132 void set_rotate_flag(bool x) { checkbutton_rotate.set_active(x); refresh_rotate_flag(); }
133 void refresh_rotate_flag() { if(duck_dragger_)duck_dragger_->rotate=get_rotate_flag(); }
135 bool get_scale_flag()const { return checkbutton_scale.get_active(); }
136 void set_scale_flag(bool x) { checkbutton_scale.set_active(x); refresh_scale_flag(); }
137 void refresh_scale_flag() { if(duck_dragger_)duck_dragger_->scale=get_scale_flag(); }
139 bool get_constrain_flag()const { return checkbutton_constrain.get_active(); }
140 void set_constrain_flag(bool x) { checkbutton_constrain.set_active(x); refresh_constrain_flag(); }
141 void refresh_constrain_flag() { if(duck_dragger_)duck_dragger_->constrain=get_constrain_flag(); }
143 Smach::event_result event_refresh_tool_options(const Smach::event& x);
144 void refresh_tool_options();
146 StateNormal_Context(CanvasView* canvas_view);
148 ~StateNormal_Context();
150 const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
151 etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
152 synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
153 WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
155 void load_settings();
156 void save_settings();
158 bool key_pressed(GdkEventKey *event);
159 bool key_released(GdkEventKey *event);
161 }; // END of class StateNormal_Context
163 /* === M E T H O D S ======================================================= */
165 StateNormal::StateNormal():
166 Smach::state<StateNormal_Context>("normal")
168 insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateNormal_Context::event_refresh_tool_options));
171 StateNormal::~StateNormal()
176 StateNormal_Context::load_settings()
180 if(settings.get_value("normal.rotate",value) && value=="1")
181 set_rotate_flag(true);
183 set_rotate_flag(false);
185 if(settings.get_value("normal.scale",value) && value=="1")
186 set_scale_flag(true);
188 set_scale_flag(false);
190 if(settings.get_value("normal.constrain",value) && value=="1")
191 set_constrain_flag(true);
193 set_constrain_flag(false);
198 StateNormal_Context::save_settings()
200 settings.set_value("normal.rotate",get_rotate_flag()?"1":"0");
201 settings.set_value("normal.scale",get_scale_flag()?"1":"0");
202 settings.set_value("normal.constrain",get_constrain_flag()?"1":"0");
205 StateNormal_Context::StateNormal_Context(CanvasView* canvas_view):
206 canvas_view_(canvas_view),
207 settings(synfigapp::Main::get_selected_input_device()->settings()),
208 duck_dragger_(new DuckDrag_Combo()),
209 checkbutton_rotate(_("Rotate (Ctrl)")),
210 checkbutton_scale(_("Scale (Alt)")),
211 checkbutton_constrain(_("Constrain (Shift)"))
213 duck_dragger_->canvas_view_=get_canvas_view();
215 // Set up the tool options dialog
216 options_table.attach(*manage(new Gtk::Label(_("Normal Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
217 options_table.attach(checkbutton_rotate, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
218 options_table.attach(checkbutton_scale, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
219 options_table.attach(checkbutton_constrain, 0, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
221 checkbutton_rotate.signal_toggled().connect(sigc::mem_fun(*this,&StateNormal_Context::refresh_rotate_flag));
222 checkbutton_scale.signal_toggled().connect(sigc::mem_fun(*this,&StateNormal_Context::refresh_scale_flag));
223 checkbutton_constrain.signal_toggled().connect(sigc::mem_fun(*this,&StateNormal_Context::refresh_constrain_flag));
226 options_table.show_all();
227 refresh_tool_options();
228 //App::dialog_tool_options->set_widget(options_table);
229 App::dialog_tool_options->present();
231 get_work_area()->set_allow_layer_clicks(true);
232 get_work_area()->set_duck_dragger(duck_dragger_);
234 keypress_connect=get_work_area()->signal_key_press_event().connect(sigc::mem_fun(*this,&StateNormal_Context::key_pressed),false);
235 keyrelease_connect=get_work_area()->signal_key_release_event().connect(sigc::mem_fun(*this,&StateNormal_Context::key_released),false);
237 // get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
238 get_canvas_view()->work_area->reset_cursor();
240 App::toolbox->refresh();
243 refresh_scale_flag();
247 StateNormal_Context::key_pressed(GdkEventKey *event)
249 switch(event->keyval)
253 set_rotate_flag(true);
257 set_scale_flag(true);
261 set_constrain_flag(true);
266 return false; //Pass on the event to other handlers, just in case
270 StateNormal_Context::key_released(GdkEventKey *event)
272 switch(event->keyval)
276 set_rotate_flag(false);
280 set_scale_flag(false);
284 set_constrain_flag(false);
289 return false; //Pass on the event to other handlers
293 StateNormal_Context::refresh_tool_options()
295 App::dialog_tool_options->clear();
296 App::dialog_tool_options->set_widget(options_table);
297 App::dialog_tool_options->set_local_name(_("Normal Tool"));
298 App::dialog_tool_options->set_name("normal");
303 StateNormal_Context::~StateNormal_Context()
307 get_work_area()->clear_duck_dragger();
308 get_canvas_view()->work_area->reset_cursor();
310 keypress_connect.disconnect();
311 keyrelease_connect.disconnect();
313 App::dialog_tool_options->clear();
315 App::toolbox->refresh();
320 StateNormal_Context::event_refresh_tool_options(const Smach::event& /*x*/)
322 refresh_tool_options();
323 return Smach::RESULT_ACCEPT;
326 DuckDrag_Combo::DuckDrag_Combo():
329 constrain(false) // Lock aspect for scale; smooth move for translate
334 DuckDrag_Combo::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& offset)
336 last_move=Vector(1,1);
338 const DuckList selected_ducks(duckmatic->get_selected_ducks());
339 DuckList::const_iterator iter;
343 drag_offset=duckmatic->find_duck(offset)->get_trans_point();
345 //snap=drag_offset-duckmatic->snap_point_to_grid(drag_offset);
346 //snap=offset-drag_offset_;
350 Point vmin(100000000,100000000);
351 Point vmax(-100000000,-100000000);
352 //std::set<etl::handle<Duck> >::iterator iter;
355 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
357 Point p((*iter)->get_trans_point());
358 vmin[0]=min(vmin[0],p[0]);
359 vmin[1]=min(vmin[1],p[1]);
360 vmax[0]=max(vmax[0],p[0]);
361 vmax[1]=max(vmax[1],p[1]);
362 positions.push_back(p);
364 center=(vmin+vmax)*0.5;
365 if((vmin-vmax).mag()<=EPSILON)
371 synfig::Vector vect(offset-center);
372 original_angle=Angle::tan(vect[1],vect[0]);
373 original_mag=vect.mag();
378 DuckDrag_Combo::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
380 if (!duckmatic) return;
385 //Override axis lock set in workarea when holding down the shift key
386 if (!move_only && (scale || rotate))
387 duckmatic->set_axis_lock(false);
390 if (move_only || (!scale && !rotate))
391 vect= duckmatic->snap_point_to_grid(vector)-drag_offset+snap;
393 vect= duckmatic->snap_point_to_grid(vector)-center+snap;
397 const DuckList selected_ducks(duckmatic->get_selected_ducks());
398 DuckList::const_iterator iter;
400 Time time(duckmatic->get_time());
403 if( move_only || (!scale && !rotate) )
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)
408 (*iter)->set_trans_point(positions[i]+vect, time);
410 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
412 if((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION)
413 (*iter)->set_trans_point(positions[i]+vect, time);
419 Angle::deg angle(Angle::tan(vect[1],vect[0]));
420 angle=original_angle-angle;
423 float degrees = angle.get()/15;
424 angle= Angle::deg (degrees>0?std::floor(degrees)*15:std::ceil(degrees)*15);
426 Real mag(vect.mag()/original_mag);
427 Real sine(Angle::sin(angle).get());
428 Real cosine(Angle::cos(angle).get());
430 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
432 if((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION)continue;
434 Vector x(positions[i]-center),p;
436 p[0]=cosine*x[0]+sine*x[1];
437 p[1]=-sine*x[0]+cosine*x[1];
440 (*iter)->set_trans_point(p, time);
442 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
444 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
446 Vector x(positions[i]-center),p;
448 p[0]=cosine*x[0]+sine*x[1];
449 p[1]=-sine*x[0]+cosine*x[1];
452 (*iter)->set_trans_point(p, time);
458 if(abs(drag_offset[0]-center[0])>EPSILON)
459 vect[0]/=drag_offset[0]-center[0];
462 if(abs(drag_offset[1]-center[1])>EPSILON)
463 vect[1]/=drag_offset[1]-center[1];
469 //vect[0]=vect[1]=vect.mag()*0.707106781;
470 Real amount(vect.mag()/(drag_offset-center).mag());
471 vect[0]=vect[1]=amount;
474 if(vect[0]<EPSILON && vect[0]>-EPSILON)
476 if(vect[1]<EPSILON && vect[1]>-EPSILON)
479 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
481 if(((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
483 Vector p(positions[i]-center);
488 (*iter)->set_trans_point(p, time);
490 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
492 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
494 Vector p(positions[i]-center);
499 (*iter)->set_trans_point(p, time);
503 // then patch up the tangents for the vertices we've moved
504 DuckList duck_list(duckmatic->get_duck_list());
505 for (iter=selected_ducks.begin(); iter!=selected_ducks.end(); ++iter)
507 etl::handle<Duck> duck(*iter);
508 if (duck->get_type() == Duck::TYPE_VERTEX || duck->get_type() == Duck::TYPE_POSITION)
510 ValueNode_Composite::Handle composite;
512 if ((ValueNode_BLineCalcVertex::Handle::cast_dynamic(duck->get_value_desc().get_value_node())) ||
513 ((composite = ValueNode_Composite::Handle::cast_dynamic(duck->get_value_desc().get_value_node())) &&
514 composite->get_type() == ValueBase::TYPE_BLINEPOINT &&
515 (ValueNode_BLineCalcVertex::Handle::cast_dynamic(composite->get_link("point")))))
517 //! \todo update() will call dynamic cast again, see if we can avoid that
518 DuckList::iterator iter;
519 for (iter=duck_list.begin(); iter!=duck_list.end(); iter++)
520 if ((*iter)->get_origin_duck()==duck
521 && std::find(selected_ducks.begin(),
522 selected_ducks.end(), *iter) == selected_ducks.end())
523 (*iter)->update(time);
532 DuckDrag_Combo::end_duck_drag(Duckmatic* duckmatic)
534 if(bad_drag)return false;
536 //synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Rotate Ducks"));
538 if((last_move-Vector(1,1)).mag()>0.0001)
540 duckmatic->signal_edited_selected_ducks();
545 duckmatic->signal_user_click_selected_ducks(0);