synfig-studio/trunk/src/gtkmm/state_smoothmove.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file state_smoothmove.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **
  10 **      This package is free software; you can redistribute it and/or
  11 **      modify it under the terms of the GNU General Public License as
  12 **      published by the Free Software Foundation; either version 2 of
  13 **      the License, or (at your option) any later version.
  14 **
  15 **      This package is distributed in the hope that it will be useful,
  16 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18 **      General Public License for more details.
  19 **      \endlegal
  20 */
  21 /* ========================================================================= */
  22
  23 /* === H E A D E R S ======================================================= */
  24
  25 #ifdef USING_PCH
  26 #       include "pch.h"
  27 #else
  28 #ifdef HAVE_CONFIG_H
  29 #       include <config.h>
  30 #endif
  31
  32 #include <gtkmm/dialog.h>
  33 #include <gtkmm/entry.h>
  34
  35 #include <synfig/valuenode_dynamiclist.h>
  36 #include <synfigapp/action_system.h>
  37
  38 #include "state_smoothmove.h"
  39 #include "canvasview.h"
  40 #include "workarea.h"
  41 #include "app.h"
  42
  43 #include <synfigapp/action.h>
  44 #include "event_mouse.h"
  45 #include "event_layerclick.h"
  46 #include "toolbox.h"
  47 #include "dialog_tooloptions.h"
  48 #include <gtkmm/optionmenu.h>
  49 #include "duck.h"
  50 #include "onemoment.h"
  51 #include <synfigapp/main.h>
  52
  53 #include "general.h"
  54
  55 #endif
  56
  57 /* === U S I N G =========================================================== */
  58
  59 using namespace std;
  60 using namespace etl;
  61 using namespace synfig;
  62 using namespace studio;
  63
  64 /* === M A C R O S ========================================================= */
  65
  66 /* === G L O B A L S ======================================================= */
  67
  68 StateSmoothMove studio::state_smooth_move;
  69
  70 /* === C L A S S E S & S T R U C T S ======================================= */
  71
  72 class DuckDrag_SmoothMove : public DuckDrag_Base
  73 {
  74         float radius;
  75
  76         synfig::Vector last_translate_;
  77         synfig::Vector drag_offset_;
  78         synfig::Vector snap;
  79
  80         std::vector<synfig::Vector> last_;
  81         std::vector<synfig::Vector> positions;
  82
  83 public:
  84         DuckDrag_SmoothMove();
  85         void begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& begin);
  86         bool end_duck_drag(Duckmatic* duckmatic);
  87         void duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector);
  88
  89         void set_radius(float x) { radius=x; }
  90         float get_radius()const { return radius; }
  91 };
  92
  93
  94 class studio::StateSmoothMove_Context : public sigc::trackable
  95 {
  96         etl::handle<CanvasView> canvas_view_;
  97
  98         //Duckmatic::Push duckmatic_push;
  99
 100         synfigapp::Settings& settings;
 101
 102         etl::handle<DuckDrag_SmoothMove> duck_dragger_;
 103
 104         Gtk::Table options_table;
 105
 106         Gtk::Adjustment  adj_radius;
 107         Gtk::SpinButton  spin_radius;
 108
 109         float pressure;
 110
 111 public:
 112         float get_radius()const { return adj_radius.get_value(); }
 113         void set_radius(float x) { return adj_radius.set_value(x); }
 114
 115         void refresh_radius() { duck_dragger_->set_radius(get_radius()*pressure); }
 116
 117         Smach::event_result event_stop_handler(const Smach::event& x);
 118
 119         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 120
 121         void refresh_tool_options();
 122
 123         StateSmoothMove_Context(CanvasView* canvas_view);
 124
 125         ~StateSmoothMove_Context();
 126
 127         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 128         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 129         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 130         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 131
 132         void load_settings();
 133         void save_settings();
 134 };      // END of class StateSmoothMove_Context
 135
 136 /* === M E T H O D S ======================================================= */
 137
 138 StateSmoothMove::StateSmoothMove():
 139         Smach::state<StateSmoothMove_Context>("smooth_move")
 140 {
 141         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateSmoothMove_Context::event_refresh_tool_options));
 142 }
 143
 144 StateSmoothMove::~StateSmoothMove()
 145 {
 146 }
 147
 148 void
 149 StateSmoothMove_Context::load_settings()
 150 {
 151         String value;
 152
 153         if(settings.get_value("smooth_move.radius",value))
 154                 set_radius(atof(value.c_str()));
 155         else
 156                 set_radius(1.0f);
 157 }
 158
 159 void
 160 StateSmoothMove_Context::save_settings()
 161 {
 162         settings.set_value("smooth_move.radius",strprintf("%f",get_radius()));
 163 }
 164
 165 StateSmoothMove_Context::StateSmoothMove_Context(CanvasView* canvas_view):
 166         canvas_view_(canvas_view),
 167 //      duckmatic_push(get_work_area()),
 168         settings(synfigapp::Main::get_selected_input_device()->settings()),
 169         duck_dragger_(new DuckDrag_SmoothMove()),
 170         adj_radius(1,0,100000,0.01,0.1),
 171         spin_radius(adj_radius,0.1,3)
 172 {
 173         pressure=1.0f;
 174
 175         // Set up the tool options dialog
 176         options_table.attach(*manage(new Gtk::Label(_("SmoothMove Tool"))),     0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 177         options_table.attach(*manage(new Gtk::Label(_("Radius"))),                      0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 178         options_table.attach(spin_radius,                                                                       0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 179
 180         spin_radius.signal_value_changed().connect(sigc::mem_fun(*this,&StateSmoothMove_Context::refresh_radius));
 181
 182         options_table.show_all();
 183         refresh_tool_options();
 184         //App::dialog_tool_options->set_widget(options_table);
 185         App::dialog_tool_options->present();
 186
 187         get_work_area()->set_allow_layer_clicks(true);
 188         get_work_area()->set_duck_dragger(duck_dragger_);
 189
 190         App::toolbox->refresh();
 191
 192 //      get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 193         get_canvas_view()->work_area->reset_cursor();
 194
 195         load_settings();
 196 }
 197
 198 void
 199 StateSmoothMove_Context::refresh_tool_options()
 200 {
 201         App::dialog_tool_options->clear();
 202         App::dialog_tool_options->set_widget(options_table);
 203         App::dialog_tool_options->set_local_name(_("Smooth Move"));
 204         App::dialog_tool_options->set_name("smooth_move");
 205 }
 206
 207 Smach::event_result
 208 StateSmoothMove_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 209 {
 210         refresh_tool_options();
 211         return Smach::RESULT_ACCEPT;
 212 }
 213
 214 StateSmoothMove_Context::~StateSmoothMove_Context()
 215 {
 216         save_settings();
 217
 218         get_work_area()->clear_duck_dragger();
 219         get_canvas_view()->work_area->reset_cursor();
 220
 221         App::dialog_tool_options->clear();
 222
 223         App::toolbox->refresh();
 224 }
 225
 226
 227
 228
 229 DuckDrag_SmoothMove::DuckDrag_SmoothMove():radius(1.0f)
 230 {
 231 }
 232
 233 void
 234 DuckDrag_SmoothMove::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& offset)
 235 {
 236         last_translate_=Vector(0,0);
 237                 drag_offset_=duckmatic->find_duck(offset)->get_trans_point();
 238
 239                 //snap=drag_offset-duckmatic->snap_point_to_grid(drag_offset);
 240                 //snap=offset-drag_offset_;
 241                 snap=Vector(0,0);
 242
 243         last_.clear();
 244         positions.clear();
 245         const DuckList selected_ducks(duckmatic->get_selected_ducks());
 246         DuckList::const_iterator iter;
 247         int i;
 248         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 249         {
 250                 last_.push_back(Vector(0,0));
 251                 positions.push_back((*iter)->get_trans_point());
 252         }
 253 }
 254
 255 void
 256 DuckDrag_SmoothMove::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
 257 {
 258         const DuckList selected_ducks(duckmatic->get_selected_ducks());
 259         DuckList::const_iterator iter;
 260         synfig::Vector vect(duckmatic->snap_point_to_grid(vector)-drag_offset_+snap);
 261
 262         int i;
 263
 264         // process vertex and position ducks first
 265         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 266         {
 267                 // skip this duck if it is NOT a vertex or a position
 268                 if (((*iter)->get_type() != Duck::TYPE_VERTEX &&
 269                          (*iter)->get_type() != Duck::TYPE_POSITION))
 270                         continue;
 271                 Point p(positions[i]);
 272
 273                 float dist(1.0f-(p-drag_offset_).mag()/get_radius());
 274                 if(dist<0)
 275                         dist=0;
 276
 277                 last_[i]=vect*dist;
 278                 (*iter)->set_trans_point(p+last_[i]);
 279         }
 280
 281         // then process non vertex and non position ducks
 282         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 283         {
 284                 // skip this duck if it IS a vertex or a position
 285                 if (!((*iter)->get_type() != Duck::TYPE_VERTEX &&
 286                          (*iter)->get_type() != Duck::TYPE_POSITION))
 287                         continue;
 288                 Point p(positions[i]);
 289
 290                 float dist(1.0f-(p-drag_offset_).mag()/get_radius());
 291                 if(dist<0)
 292                         dist=0;
 293
 294                 last_[i]=vect*dist;
 295                 (*iter)->set_trans_point(p+last_[i]);
 296         }
 297
 298         last_translate_=vect;
 299         //snap=Vector(0,0);
 300 }
 301
 302 bool
 303 DuckDrag_SmoothMove::end_duck_drag(Duckmatic* duckmatic)
 304 {
 305         //synfig::info("end_duck_drag(): Diff= %f",last_translate_.mag());
 306         if(last_translate_.mag()>0.0001)
 307         {
 308                 const DuckList selected_ducks(duckmatic->get_selected_ducks());
 309                 DuckList::const_iterator iter;
 310
 311                 int i;
 312
 313                 smart_ptr<OneMoment> wait;if(selected_ducks.size()>20)wait.spawn();
 314
 315                 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 316                 {
 317                         if(last_[i].mag()>0.0001)
 318                                 if(!(*iter)->signal_edited()((*iter)->get_point()))
 319                                 {
 320                                         throw String("Bad Move");
 321                                 }
 322                 }
 323                 //duckmatic->get_selected_ducks()=new_set;
 324                 //duckmatic->refresh_selected_ducks();
 325                 return true;
 326         }
 327         else
 328         {
 329                 duckmatic->signal_user_click_selected_ducks(0);
 330                 return false;
 331         }
 332 }