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) 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_normal.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 StateNormal studio::state_normal;
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::StateNormal_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_refresh_tool_options(const Smach::event& x);
142 void refresh_tool_options();
144 StateNormal_Context(CanvasView* canvas_view);
146 ~StateNormal_Context();
148 const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
149 etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
150 synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
151 WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
153 void load_settings();
154 void save_settings();
156 bool key_pressed(GdkEventKey *event);
157 bool key_released(GdkEventKey *event);
159 }; // END of class StateNormal_Context
161 /* === M E T H O D S ======================================================= */
163 StateNormal::StateNormal():
164 Smach::state<StateNormal_Context>("normal")
166 insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateNormal_Context::event_refresh_tool_options));
169 StateNormal::~StateNormal()
174 StateNormal_Context::load_settings()
178 if(settings.get_value("normal.rotate",value) && value=="1")
179 set_rotate_flag(true);
181 set_rotate_flag(false);
183 if(settings.get_value("normal.scale",value) && value=="1")
184 set_scale_flag(true);
186 set_scale_flag(false);
188 if(settings.get_value("normal.constrain",value) && value=="1")
189 set_constrain_flag(true);
191 set_constrain_flag(false);
196 StateNormal_Context::save_settings()
198 settings.set_value("normal.rotate",get_rotate_flag()?"1":"0");
199 settings.set_value("normal.scale",get_scale_flag()?"1":"0");
200 settings.set_value("normal.constrain",get_constrain_flag()?"1":"0");
203 StateNormal_Context::StateNormal_Context(CanvasView* canvas_view):
204 canvas_view_(canvas_view),
205 settings(synfigapp::Main::get_selected_input_device()->settings()),
206 duck_dragger_(new DuckDrag_Combo()),
207 checkbutton_rotate(_("Rotate (Ctrl)")),
208 checkbutton_scale(_("Scale (Alt)")),
209 checkbutton_constrain(_("Constrain (Shift)"))
211 duck_dragger_->canvas_view_=get_canvas_view();
213 // Set up the tool options dialog
214 options_table.attach(*manage(new Gtk::Label(_("Normal Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
215 options_table.attach(checkbutton_rotate, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
216 options_table.attach(checkbutton_scale, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
217 options_table.attach(checkbutton_constrain, 0, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
219 checkbutton_rotate.signal_toggled().connect(sigc::mem_fun(*this,&StateNormal_Context::refresh_rotate_flag));
220 checkbutton_scale.signal_toggled().connect(sigc::mem_fun(*this,&StateNormal_Context::refresh_scale_flag));
221 checkbutton_constrain.signal_toggled().connect(sigc::mem_fun(*this,&StateNormal_Context::refresh_constrain_flag));
224 options_table.show_all();
225 refresh_tool_options();
226 //App::dialog_tool_options->set_widget(options_table);
227 App::dialog_tool_options->present();
229 get_work_area()->set_allow_layer_clicks(true);
230 get_work_area()->set_duck_dragger(duck_dragger_);
232 keypress_connect=get_work_area()->signal_key_press_event().connect(sigc::mem_fun(*this,&StateNormal_Context::key_pressed),false);
233 keyrelease_connect=get_work_area()->signal_key_release_event().connect(sigc::mem_fun(*this,&StateNormal_Context::key_released),false);
235 // get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
236 get_canvas_view()->work_area->reset_cursor();
238 App::toolbox->refresh();
241 refresh_scale_flag();
245 StateNormal_Context::key_pressed(GdkEventKey *event)
247 switch(event->keyval)
251 set_rotate_flag(true);
255 set_scale_flag(true);
259 set_constrain_flag(true);
264 return false; //Pass on the event to other handlers, just in case
268 StateNormal_Context::key_released(GdkEventKey *event)
270 switch(event->keyval)
274 set_rotate_flag(false);
278 set_scale_flag(false);
282 set_constrain_flag(false);
287 return false; //Pass on the event to other handlers
291 StateNormal_Context::refresh_tool_options()
293 App::dialog_tool_options->clear();
294 App::dialog_tool_options->set_widget(options_table);
295 App::dialog_tool_options->set_local_name(_("Normal Tool"));
296 App::dialog_tool_options->set_name("normal");
301 StateNormal_Context::~StateNormal_Context()
305 get_work_area()->clear_duck_dragger();
306 get_canvas_view()->work_area->reset_cursor();
308 keypress_connect.disconnect();
309 keyrelease_connect.disconnect();
311 App::dialog_tool_options->clear();
313 App::toolbox->refresh();
318 StateNormal_Context::event_refresh_tool_options(const Smach::event& /*x*/)
320 refresh_tool_options();
321 return Smach::RESULT_ACCEPT;
324 DuckDrag_Combo::DuckDrag_Combo():
327 constrain(false) // Lock aspect for scale; smooth move for translate
332 DuckDrag_Combo::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& offset)
334 last_move=Vector(1,1);
336 const DuckList selected_ducks(duckmatic->get_selected_ducks());
337 DuckList::const_iterator iter;
341 drag_offset=duckmatic->find_duck(offset)->get_trans_point();
343 //snap=drag_offset-duckmatic->snap_point_to_grid(drag_offset);
344 //snap=offset-drag_offset_;
348 Point vmin(100000000,100000000);
349 Point vmax(-100000000,-100000000);
350 //std::set<etl::handle<Duck> >::iterator iter;
353 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
355 Point p((*iter)->get_trans_point());
356 vmin[0]=min(vmin[0],p[0]);
357 vmin[1]=min(vmin[1],p[1]);
358 vmax[0]=max(vmax[0],p[0]);
359 vmax[1]=max(vmax[1],p[1]);
360 positions.push_back(p);
362 center=(vmin+vmax)*0.5;
363 if((vmin-vmax).mag()<=EPSILON)
369 synfig::Vector vect(offset-center);
370 original_angle=Angle::tan(vect[1],vect[0]);
371 original_mag=vect.mag();
376 DuckDrag_Combo::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
378 if (!duckmatic) return;
383 //Override axis lock set in workarea when holding down the shift key
384 if (!move_only && (scale || rotate))
385 duckmatic->set_axis_lock(false);
388 if (move_only || (!scale && !rotate))
389 vect= duckmatic->snap_point_to_grid(vector)-drag_offset+snap;
391 vect= duckmatic->snap_point_to_grid(vector)-center+snap;
395 const DuckList selected_ducks(duckmatic->get_selected_ducks());
396 DuckList::const_iterator iter;
398 Time time(duckmatic->get_time());
401 if( move_only || (!scale && !rotate) )
403 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
405 if((*iter)->get_type()==Duck::TYPE_VERTEX || (*iter)->get_type()==Duck::TYPE_POSITION)
406 (*iter)->set_trans_point(positions[i]+vect, time);
408 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
410 if((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION)
411 (*iter)->set_trans_point(positions[i]+vect, time);
413 DuckList duck_list(duckmatic->get_duck_list());
414 for (iter=duck_list.begin(); iter!=duck_list.end(); ++iter)
416 if ((*iter)->get_type() == Duck::TYPE_TANGENT || (*iter)->get_type() == Duck::TYPE_WIDTH)
418 (*iter)->update(time);
426 Angle::deg angle(Angle::tan(vect[1],vect[0]));
427 angle=original_angle-angle;
430 float degrees = angle.get()/15;
431 angle= Angle::deg (degrees>0?std::floor(degrees)*15:std::ceil(degrees)*15);
433 Real mag(vect.mag()/original_mag);
434 Real sine(Angle::sin(angle).get());
435 Real cosine(Angle::cos(angle).get());
437 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
439 if((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION)continue;
441 Vector x(positions[i]-center),p;
443 p[0]=cosine*x[0]+sine*x[1];
444 p[1]=-sine*x[0]+cosine*x[1];
447 (*iter)->set_trans_point(p, time);
449 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
451 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
453 Vector x(positions[i]-center),p;
455 p[0]=cosine*x[0]+sine*x[1];
456 p[1]=-sine*x[0]+cosine*x[1];
459 (*iter)->set_trans_point(p, time);
465 if(abs(drag_offset[0]-center[0])>EPSILON)
466 vect[0]/=drag_offset[0]-center[0];
469 if(abs(drag_offset[1]-center[1])>EPSILON)
470 vect[1]/=drag_offset[1]-center[1];
476 //vect[0]=vect[1]=vect.mag()*0.707106781;
477 Real amount(vect.mag()/(drag_offset-center).mag());
478 vect[0]=vect[1]=amount;
481 if(vect[0]<EPSILON && vect[0]>-EPSILON)
483 if(vect[1]<EPSILON && vect[1]>-EPSILON)
486 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
488 if(((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
490 Vector p(positions[i]-center);
495 (*iter)->set_trans_point(p, time);
497 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
499 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
501 Vector p(positions[i]-center);
506 (*iter)->set_trans_point(p, time);
513 DuckDrag_Combo::end_duck_drag(Duckmatic* duckmatic)
515 if(bad_drag)return false;
517 //synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Rotate Ducks"));
519 if((last_move-Vector(1,1)).mag()>0.0001)
521 duckmatic->signal_edited_selected_ducks();
526 duckmatic->signal_user_click_selected_ducks(0);