1 /* === S Y N F I G ========================================================= */
2 /*! \file state_rotate.cpp
3 ** \brief Template File
5 ** $Id: state_rotate.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
8 ** Copyright (c) 2002 Robert B. Quattlebaum Jr.
10 ** This software and associated documentation
11 ** are CONFIDENTIAL and PROPRIETARY property of
12 ** the above-mentioned copyright holder.
14 ** You may not copy, print, publish, or in any
15 ** other way distribute this software without
16 ** a prior written agreement with
17 ** the copyright holder.
20 /* ========================================================================= */
22 /* === H E A D E R S ======================================================= */
31 #include <gtkmm/dialog.h>
32 #include <gtkmm/entry.h>
34 #include <synfig/valuenode_dynamiclist.h>
35 #include <synfigapp/action_system.h>
37 #include "state_rotate.h"
38 #include "canvasview.h"
42 #include <synfigapp/action.h>
43 #include "event_mouse.h"
44 #include "event_layerclick.h"
46 #include "dialog_tooloptions.h"
47 #include <gtkmm/optionmenu.h>
49 #include <synfig/angle.h>
50 #include <synfigapp/main.h>
54 /* === U S I N G =========================================================== */
58 using namespace synfig;
59 using namespace studio;
61 /* === M A C R O S ========================================================= */
64 #define EPSILON 0.0000001
67 /* === G L O B A L S ======================================================= */
69 StateRotate studio::state_rotate;
71 /* === C L A S S E S & S T R U C T S ======================================= */
73 class DuckDrag_Rotate : public DuckDrag_Base
76 synfig::Vector last_rotate;
77 synfig::Vector drag_offset;
78 synfig::Vector center;
84 std::vector<synfig::Vector> positions;
91 etl::handle<CanvasView> canvas_view_;
94 void begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& begin);
95 bool end_duck_drag(Duckmatic* duckmatic);
96 void duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector);
98 etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
102 class studio::StateRotate_Context : public sigc::trackable
104 etl::handle<CanvasView> canvas_view_;
106 synfigapp::Settings& settings;
108 etl::handle<DuckDrag_Rotate> duck_dragger_;
110 Gtk::Table options_table;
112 Gtk::CheckButton checkbutton_scale;
116 bool get_scale_flag()const { return checkbutton_scale.get_active(); }
117 void set_scale_flag(bool x) { return checkbutton_scale.set_active(x); refresh_scale_flag(); }
120 Smach::event_result event_refresh_tool_options(const Smach::event& x);
122 void refresh_tool_options();
124 void refresh_scale_flag() { if(duck_dragger_)duck_dragger_->use_magnitude=get_scale_flag(); }
126 StateRotate_Context(CanvasView* canvas_view);
128 ~StateRotate_Context();
130 const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
131 etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
132 synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
133 WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
135 void load_settings();
136 void save_settings();
137 }; // END of class StateRotate_Context
139 /* === M E T H O D S ======================================================= */
141 StateRotate::StateRotate():
142 Smach::state<StateRotate_Context>("rotate")
144 insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateRotate_Context::event_refresh_tool_options));
147 StateRotate::~StateRotate()
152 StateRotate_Context::load_settings()
156 if(settings.get_value("rotate.scale",value) && value=="0")
157 set_scale_flag(false);
159 set_scale_flag(true);
163 StateRotate_Context::save_settings()
165 settings.set_value("rotate.scale",get_scale_flag()?"1":"0");
168 StateRotate_Context::StateRotate_Context(CanvasView* canvas_view):
169 canvas_view_(canvas_view),
170 settings(synfigapp::Main::get_selected_input_device()->settings()),
171 duck_dragger_(new DuckDrag_Rotate()),
172 checkbutton_scale(_("Allow Scale"))
174 duck_dragger_->canvas_view_=get_canvas_view();
176 // Set up the tool options dialog
177 //options_table.attach(*manage(new Gtk::Label(_("Rotate Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
178 options_table.attach(checkbutton_scale, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
180 checkbutton_scale.signal_toggled().connect(sigc::mem_fun(*this,&StateRotate_Context::refresh_scale_flag));
182 options_table.show_all();
183 refresh_tool_options();
184 //App::dialog_tool_options->set_widget(options_table);
185 App::dialog_tool_options->present();
187 get_work_area()->allow_layer_clicks=true;
188 get_work_area()->set_duck_dragger(duck_dragger_);
190 // get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
191 get_canvas_view()->work_area->reset_cursor();
193 App::toolbox->refresh();
196 refresh_scale_flag();
200 StateRotate_Context::refresh_tool_options()
202 App::dialog_tool_options->clear();
203 App::dialog_tool_options->set_widget(options_table);
204 App::dialog_tool_options->set_local_name(_("Rotate Tool"));
205 App::dialog_tool_options->set_name("rotate");
209 StateRotate_Context::event_refresh_tool_options(const Smach::event& x)
211 refresh_tool_options();
212 return Smach::RESULT_ACCEPT;
215 StateRotate_Context::~StateRotate_Context()
219 get_work_area()->clear_duck_dragger();
220 get_canvas_view()->work_area->reset_cursor();
222 App::dialog_tool_options->clear();
224 App::toolbox->refresh();
230 DuckDrag_Rotate::DuckDrag_Rotate()
236 DuckDrag_Rotate::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& offset)
238 last_rotate=Vector(1,1);
240 const DuckList selected_ducks(duckmatic->get_selected_ducks());
241 DuckList::const_iterator iter;
244 if(duckmatic->get_selected_ducks().size()<2)
252 drag_offset=duckmatic->find_duck(offset)->get_trans_point();
254 //snap=drag_offset-duckmatic->snap_point_to_grid(drag_offset);
255 //snap=offset-drag_offset;
259 Point vmin(100000000,100000000);
260 Point vmax(-100000000,-100000000);
261 //std::set<etl::handle<Duck> >::iterator iter;
264 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
266 Point p((*iter)->get_trans_point());
267 vmin[0]=min(vmin[0],p[0]);
268 vmin[1]=min(vmin[1],p[1]);
269 vmax[0]=max(vmax[0],p[0]);
270 vmax[1]=max(vmax[1],p[1]);
271 positions.push_back(p);
273 center=(vmin+vmax)*0.5;
274 if((vmin-vmax).mag()<=EPSILON)
280 synfig::Vector vect(offset-center);
281 original_angle=Angle::tan(vect[1],vect[0]);
282 original_mag=vect.mag();
287 DuckDrag_Rotate::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
292 //std::set<etl::handle<Duck> >::iterator iter;
293 synfig::Vector vect(duckmatic->snap_point_to_grid(vector)-center+snap);
295 const DuckList selected_ducks(duckmatic->get_selected_ducks());
296 DuckList::const_iterator iter;
301 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
303 if((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION)continue;
305 Vector p(positions[i]);
309 (*iter)->set_trans_point(p);
311 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
313 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
315 Vector p(positions[i]);
319 (*iter)->set_trans_point(p);
324 Angle::tan angle(vect[1],vect[0]);
325 angle=original_angle-angle;
326 Real mag(vect.mag()/original_mag);
327 Real sine(Angle::sin(angle).get());
328 Real cosine(Angle::cos(angle).get());
331 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
333 if((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION)continue;
335 Vector x(positions[i]-center),p;
337 p[0]=cosine*x[0]+sine*x[1];
338 p[1]=-sine*x[0]+cosine*x[1];
339 if(use_magnitude)p*=mag;
341 (*iter)->set_trans_point(p);
343 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
345 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
347 Vector x(positions[i]-center),p;
349 p[0]=cosine*x[0]+sine*x[1];
350 p[1]=-sine*x[0]+cosine*x[1];
351 if(use_magnitude)p*=mag;
353 (*iter)->set_trans_point(p);
361 DuckDrag_Rotate::end_duck_drag(Duckmatic* duckmatic)
363 if(bad_drag)return false;
366 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Move Duck"));
367 duckmatic->signal_edited_selected_ducks();
371 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Rotate Ducks"));
373 if((last_rotate-Vector(1,1)).mag()>0.0001)
375 duckmatic->signal_edited_selected_ducks();
380 duckmatic->signal_user_click_selected_ducks(0);