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_composite.h>
39 #include <synfig/valuenode_const.h>
40 #include <synfig/valuenode_dynamiclist.h>
41 #include <synfigapp/action_system.h>
43 #include "state_normal.h"
44 #include "canvasview.h"
48 #include <synfigapp/action.h>
49 #include "event_mouse.h"
50 #include "event_layerclick.h"
52 #include "dialog_tooloptions.h"
53 #include <gtkmm/optionmenu.h>
55 #include <synfig/angle.h>
56 #include <synfigapp/main.h>
61 /* === U S I N G =========================================================== */
65 using namespace synfig;
66 using namespace studio;
68 /* === M A C R O S ========================================================= */
71 #define EPSILON 0.0000001
74 /* === G L O B A L S ======================================================= */
76 StateNormal studio::state_normal;
78 /* === C L A S S E S & S T R U C T S ======================================= */
80 class DuckDrag_Combo : public DuckDrag_Base
82 synfig::Vector last_move;
83 synfig::Vector drag_offset;
84 synfig::Vector center;
87 synfig::Angle original_angle;
88 synfig::Real original_mag;
90 std::vector<synfig::Vector> last_;
91 std::vector<synfig::Vector> positions;
98 etl::handle<CanvasView> canvas_view_;
103 void begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& begin);
104 bool end_duck_drag(Duckmatic* duckmatic);
105 void duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector);
107 etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
111 class studio::StateNormal_Context : public sigc::trackable
113 etl::handle<CanvasView> canvas_view_;
115 synfigapp::Settings& settings;
117 sigc::connection keypress_connect;
118 sigc::connection keyrelease_connect;
120 etl::handle<DuckDrag_Combo> duck_dragger_;
122 Gtk::Table options_table;
124 Gtk::CheckButton checkbutton_rotate;
125 Gtk::CheckButton checkbutton_scale;
126 Gtk::CheckButton checkbutton_constrain;
130 bool get_rotate_flag()const { return checkbutton_rotate.get_active(); }
131 void set_rotate_flag(bool x) { checkbutton_rotate.set_active(x); refresh_rotate_flag(); }
132 void refresh_rotate_flag() { if(duck_dragger_)duck_dragger_->rotate=get_rotate_flag(); }
134 bool get_scale_flag()const { return checkbutton_scale.get_active(); }
135 void set_scale_flag(bool x) { checkbutton_scale.set_active(x); refresh_scale_flag(); }
136 void refresh_scale_flag() { if(duck_dragger_)duck_dragger_->scale=get_scale_flag(); }
138 bool get_constrain_flag()const { return checkbutton_constrain.get_active(); }
139 void set_constrain_flag(bool x) { checkbutton_constrain.set_active(x); refresh_constrain_flag(); }
140 void refresh_constrain_flag() { if(duck_dragger_)duck_dragger_->constrain=get_constrain_flag(); }
142 Smach::event_result event_refresh_tool_options(const Smach::event& x);
143 void refresh_tool_options();
145 StateNormal_Context(CanvasView* canvas_view);
147 ~StateNormal_Context();
149 const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
150 etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
151 synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
152 WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
154 void load_settings();
155 void save_settings();
157 bool key_pressed(GdkEventKey *event);
158 bool key_released(GdkEventKey *event);
160 }; // END of class StateNormal_Context
162 /* === M E T H O D S ======================================================= */
164 StateNormal::StateNormal():
165 Smach::state<StateNormal_Context>("normal")
167 insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateNormal_Context::event_refresh_tool_options));
170 StateNormal::~StateNormal()
175 StateNormal_Context::load_settings()
179 if(settings.get_value("normal.rotate",value) && value=="1")
180 set_rotate_flag(true);
182 set_rotate_flag(false);
184 if(settings.get_value("normal.scale",value) && value=="1")
185 set_scale_flag(true);
187 set_scale_flag(false);
189 if(settings.get_value("normal.constrain",value) && value=="1")
190 set_constrain_flag(true);
192 set_constrain_flag(false);
197 StateNormal_Context::save_settings()
199 settings.set_value("normal.rotate",get_rotate_flag()?"1":"0");
200 settings.set_value("normal.scale",get_scale_flag()?"1":"0");
201 settings.set_value("normal.constrain",get_constrain_flag()?"1":"0");
204 StateNormal_Context::StateNormal_Context(CanvasView* canvas_view):
205 canvas_view_(canvas_view),
206 settings(synfigapp::Main::get_selected_input_device()->settings()),
207 duck_dragger_(new DuckDrag_Combo()),
208 checkbutton_rotate(_("Rotate (Ctrl)")),
209 checkbutton_scale(_("Scale (Alt)")),
210 checkbutton_constrain(_("Constrain (Shift)"))
212 duck_dragger_->canvas_view_=get_canvas_view();
214 // Set up the tool options dialog
215 options_table.attach(*manage(new Gtk::Label(_("Normal Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
216 options_table.attach(checkbutton_rotate, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
217 options_table.attach(checkbutton_scale, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
218 options_table.attach(checkbutton_constrain, 0, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
220 checkbutton_rotate.signal_toggled().connect(sigc::mem_fun(*this,&StateNormal_Context::refresh_rotate_flag));
221 checkbutton_scale.signal_toggled().connect(sigc::mem_fun(*this,&StateNormal_Context::refresh_scale_flag));
222 checkbutton_constrain.signal_toggled().connect(sigc::mem_fun(*this,&StateNormal_Context::refresh_constrain_flag));
225 options_table.show_all();
226 refresh_tool_options();
227 //App::dialog_tool_options->set_widget(options_table);
228 App::dialog_tool_options->present();
230 get_work_area()->set_allow_layer_clicks(true);
231 get_work_area()->set_duck_dragger(duck_dragger_);
233 keypress_connect=get_work_area()->signal_key_press_event().connect(sigc::mem_fun(*this,&StateNormal_Context::key_pressed),false);
234 keyrelease_connect=get_work_area()->signal_key_release_event().connect(sigc::mem_fun(*this,&StateNormal_Context::key_released),false);
236 // get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
237 get_canvas_view()->work_area->reset_cursor();
239 App::toolbox->refresh();
242 refresh_scale_flag();
246 StateNormal_Context::key_pressed(GdkEventKey *event)
248 switch(event->keyval)
252 set_rotate_flag(true);
256 set_scale_flag(true);
260 set_constrain_flag(true);
265 return false; //Pass on the event to other handlers, just in case
269 StateNormal_Context::key_released(GdkEventKey *event)
271 switch(event->keyval)
275 set_rotate_flag(false);
279 set_scale_flag(false);
283 set_constrain_flag(false);
288 return false; //Pass on the event to other handlers
292 StateNormal_Context::refresh_tool_options()
294 App::dialog_tool_options->clear();
295 App::dialog_tool_options->set_widget(options_table);
296 App::dialog_tool_options->set_local_name(_("Normal Tool"));
297 App::dialog_tool_options->set_name("normal");
302 StateNormal_Context::~StateNormal_Context()
306 get_work_area()->clear_duck_dragger();
307 get_canvas_view()->work_area->reset_cursor();
309 keypress_connect.disconnect();
310 keyrelease_connect.disconnect();
312 App::dialog_tool_options->clear();
314 App::toolbox->refresh();
319 StateNormal_Context::event_refresh_tool_options(const Smach::event& /*x*/)
321 refresh_tool_options();
322 return Smach::RESULT_ACCEPT;
325 DuckDrag_Combo::DuckDrag_Combo():
328 constrain(false) // Lock aspect for scale; smooth move for translate
333 DuckDrag_Combo::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& offset)
335 last_move=Vector(1,1);
337 const DuckList selected_ducks(duckmatic->get_selected_ducks());
338 DuckList::const_iterator iter;
342 drag_offset=duckmatic->find_duck(offset)->get_trans_point();
344 //snap=drag_offset-duckmatic->snap_point_to_grid(drag_offset);
345 //snap=offset-drag_offset_;
349 Point vmin(100000000,100000000);
350 Point vmax(-100000000,-100000000);
351 //std::set<etl::handle<Duck> >::iterator iter;
354 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
356 Point p((*iter)->get_trans_point());
357 vmin[0]=min(vmin[0],p[0]);
358 vmin[1]=min(vmin[1],p[1]);
359 vmax[0]=max(vmax[0],p[0]);
360 vmax[1]=max(vmax[1],p[1]);
361 positions.push_back(p);
363 center=(vmin+vmax)*0.5;
364 if((vmin-vmax).mag()<=EPSILON)
370 synfig::Vector vect(offset-center);
371 original_angle=Angle::tan(vect[1],vect[0]);
372 original_mag=vect.mag();
377 DuckDrag_Combo::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
379 if (!duckmatic) return;
384 //Override axis lock set in workarea when holding down the shift key
385 if (!move_only && (scale || rotate))
386 duckmatic->set_axis_lock(false);
389 if (move_only || (!scale && !rotate))
390 vect= duckmatic->snap_point_to_grid(vector)-drag_offset+snap;
392 vect= duckmatic->snap_point_to_grid(vector)-center+snap;
396 const DuckList selected_ducks(duckmatic->get_selected_ducks());
397 DuckList::const_iterator iter;
399 Time time(duckmatic->get_time());
402 if( move_only || (!scale && !rotate) )
404 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
406 if((*iter)->get_type()==Duck::TYPE_VERTEX || (*iter)->get_type()==Duck::TYPE_POSITION)
407 (*iter)->set_trans_point(positions[i]+vect, time);
409 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
411 if((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION)
412 (*iter)->set_trans_point(positions[i]+vect, time);
414 DuckList duck_list(duckmatic->get_duck_list());
415 for (iter=duck_list.begin(); iter!=duck_list.end(); ++iter)
417 if ((*iter)->get_type() == Duck::TYPE_TANGENT || (*iter)->get_type() == Duck::TYPE_WIDTH)
419 (*iter)->update(time);
427 Angle::deg angle(Angle::tan(vect[1],vect[0]));
428 angle=original_angle-angle;
431 float degrees = angle.get()/15;
432 angle= Angle::deg (degrees>0?std::floor(degrees)*15:std::ceil(degrees)*15);
434 Real mag(vect.mag()/original_mag);
435 Real sine(Angle::sin(angle).get());
436 Real cosine(Angle::cos(angle).get());
438 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
440 if((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION)continue;
442 Vector x(positions[i]-center),p;
444 p[0]=cosine*x[0]+sine*x[1];
445 p[1]=-sine*x[0]+cosine*x[1];
448 (*iter)->set_trans_point(p, time);
450 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
452 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
454 Vector x(positions[i]-center),p;
456 p[0]=cosine*x[0]+sine*x[1];
457 p[1]=-sine*x[0]+cosine*x[1];
460 (*iter)->set_trans_point(p, time);
466 if(abs(drag_offset[0]-center[0])>EPSILON)
467 vect[0]/=drag_offset[0]-center[0];
470 if(abs(drag_offset[1]-center[1])>EPSILON)
471 vect[1]/=drag_offset[1]-center[1];
477 //vect[0]=vect[1]=vect.mag()*0.707106781;
478 Real amount(vect.mag()/(drag_offset-center).mag());
479 vect[0]=vect[1]=amount;
482 if(vect[0]<EPSILON && vect[0]>-EPSILON)
484 if(vect[1]<EPSILON && vect[1]>-EPSILON)
487 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
489 if(((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
491 Vector p(positions[i]-center);
496 (*iter)->set_trans_point(p, time);
498 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
500 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
502 Vector p(positions[i]-center);
507 (*iter)->set_trans_point(p, time);
514 DuckDrag_Combo::end_duck_drag(Duckmatic* duckmatic)
516 if(bad_drag)return false;
518 //synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Rotate Ducks"));
520 if((last_move-Vector(1,1)).mag()>0.0001)
522 duckmatic->signal_edited_selected_ducks();
527 duckmatic->signal_user_click_selected_ducks(0);