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 #endif
  54
  55 /* === U S I N G =========================================================== */
  56
  57 using namespace std;
  58 using namespace etl;
  59 using namespace synfig;
  60 using namespace studio;
  61
  62 /* === M A C R O S ========================================================= */
  63
  64 /* === G L O B A L S ======================================================= */
  65
  66 StateSmoothMove studio::state_smooth_move;
  67
  68 /* === C L A S S E S & S T R U C T S ======================================= */
  69
  70 class DuckDrag_SmoothMove : public DuckDrag_Base
  71 {
  72         float radius;
  73
  74         synfig::Vector last_translate_;
  75         synfig::Vector drag_offset_;
  76         synfig::Vector snap;
  77
  78         std::vector<synfig::Vector> last_;
  79         std::vector<synfig::Vector> positions;
  80
  81 public:
  82         DuckDrag_SmoothMove();
  83         void begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& begin);
  84         bool end_duck_drag(Duckmatic* duckmatic);
  85         void duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector);
  86
  87         void set_radius(float x) { radius=x; }
  88         float get_radius()const { return radius; }
  89 };
  90
  91
  92 class studio::StateSmoothMove_Context : public sigc::trackable
  93 {
  94         etl::handle<CanvasView> canvas_view_;
  95
  96         //Duckmatic::Push duckmatic_push;
  97
  98         synfigapp::Settings& settings;
  99
 100         etl::handle<DuckDrag_SmoothMove> duck_dragger_;
 101
 102         Gtk::Table options_table;
 103
 104         Gtk::Adjustment  adj_radius;
 105         Gtk::SpinButton  spin_radius;
 106
 107         float pressure;
 108
 109 public:
 110         float get_radius()const { return adj_radius.get_value(); }
 111         void set_radius(float x) { return adj_radius.set_value(x); }
 112
 113         void refresh_radius() { duck_dragger_->set_radius(get_radius()*pressure); }
 114
 115         Smach::event_result event_stop_handler(const Smach::event& x);
 116
 117         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 118
 119         void refresh_tool_options();
 120
 121         StateSmoothMove_Context(CanvasView* canvas_view);
 122
 123         ~StateSmoothMove_Context();
 124
 125         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 126         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 127         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 128         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 129
 130         void load_settings();
 131         void save_settings();
 132 };      // END of class StateSmoothMove_Context
 133
 134 /* === M E T H O D S ======================================================= */
 135
 136 StateSmoothMove::StateSmoothMove():
 137         Smach::state<StateSmoothMove_Context>("smooth_move")
 138 {
 139         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateSmoothMove_Context::event_refresh_tool_options));
 140 }
 141
 142 StateSmoothMove::~StateSmoothMove()
 143 {
 144 }
 145
 146 void
 147 StateSmoothMove_Context::load_settings()
 148 {
 149         String value;
 150
 151         if(settings.get_value("smooth_move.radius",value))
 152                 set_radius(atof(value.c_str()));
 153         else
 154                 set_radius(1.0f);
 155 }
 156
 157 void
 158 StateSmoothMove_Context::save_settings()
 159 {
 160         settings.set_value("smooth_move.radius",strprintf("%f",get_radius()));
 161 }
 162
 163 StateSmoothMove_Context::StateSmoothMove_Context(CanvasView* canvas_view):
 164         canvas_view_(canvas_view),
 165 //      duckmatic_push(get_work_area()),
 166         settings(synfigapp::Main::get_selected_input_device()->settings()),
 167         duck_dragger_(new DuckDrag_SmoothMove()),
 168         adj_radius(1,0,100000,0.01,0.1),
 169         spin_radius(adj_radius,0.1,3)
 170 {
 171         pressure=1.0f;
 172
 173         // Set up the tool options dialog
 174         //options_table.attach(*manage(new Gtk::Label(_("SmoothMove Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 175
 176         options_table.attach(*manage(new Gtk::Label(_("Radius"))), 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 177         options_table.attach(spin_radius, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 178
 179         spin_radius.signal_value_changed().connect(sigc::mem_fun(*this,&StateSmoothMove_Context::refresh_radius));
 180
 181         options_table.show_all();
 182         refresh_tool_options();
 183         //App::dialog_tool_options->set_widget(options_table);
 184         App::dialog_tool_options->present();
 185
 186         get_work_area()->allow_layer_clicks=true;
 187         get_work_area()->set_duck_dragger(duck_dragger_);
 188
 189         App::toolbox->refresh();
 190
 191 //      get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 192         get_canvas_view()->work_area->reset_cursor();
 193
 194         load_settings();
 195 }
 196
 197 void
 198 StateSmoothMove_Context::refresh_tool_options()
 199 {
 200         App::dialog_tool_options->clear();
 201         App::dialog_tool_options->set_widget(options_table);
 202         App::dialog_tool_options->set_local_name(_("Smooth Move"));
 203         App::dialog_tool_options->set_name("smooth_move");
 204 }
 205
 206 Smach::event_result
 207 StateSmoothMove_Context::event_refresh_tool_options(const Smach::event& x)
 208 {
 209         refresh_tool_options();
 210         return Smach::RESULT_ACCEPT;
 211 }
 212
 213 StateSmoothMove_Context::~StateSmoothMove_Context()
 214 {
 215         save_settings();
 216
 217         get_work_area()->clear_duck_dragger();
 218         get_canvas_view()->work_area->reset_cursor();
 219
 220         App::dialog_tool_options->clear();
 221
 222         App::toolbox->refresh();
 223 }
 224
 225
 226
 227
 228 DuckDrag_SmoothMove::DuckDrag_SmoothMove():radius(1.0f)
 229 {
 230 }
 231
 232 void
 233 DuckDrag_SmoothMove::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& offset)
 234 {
 235         last_translate_=Vector(0,0);
 236                 drag_offset_=duckmatic->find_duck(offset)->get_trans_point();
 237
 238                 //snap=drag_offset-duckmatic->snap_point_to_grid(drag_offset);
 239                 //snap=offset-drag_offset_;
 240                 snap=Vector(0,0);
 241
 242         last_.clear();
 243         positions.clear();
 244         const DuckList selected_ducks(duckmatic->get_selected_ducks());
 245         DuckList::const_iterator iter;
 246         int i;
 247         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 248         {
 249                 last_.push_back(Vector(0,0));
 250                 positions.push_back((*iter)->get_trans_point());
 251         }
 252 }
 253
 254 void
 255 DuckDrag_SmoothMove::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
 256 {
 257         const DuckList selected_ducks(duckmatic->get_selected_ducks());
 258         DuckList::const_iterator iter;
 259         synfig::Vector vect(duckmatic->snap_point_to_grid(vector)-drag_offset_+snap);
 260
 261         int i;
 262
 263         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 264         {
 265                 if(((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
 266                 Point p(positions[i]);
 267
 268                 float dist(1.0f-(p-drag_offset_).mag()/get_radius());
 269                 if(dist<0)
 270                         dist=0;
 271
 272                 last_[i]=vect*dist;
 273                 (*iter)->set_trans_point(p+last_[i]);
 274         }
 275
 276         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 277         {
 278                 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
 279                 Point p(positions[i]);
 280
 281                 float dist(1.0f-(p-drag_offset_).mag()/get_radius());
 282                 if(dist<0)
 283                         dist=0;
 284
 285                 last_[i]=vect*dist;
 286                 (*iter)->set_trans_point(p+last_[i]);
 287         }
 288
 289         last_translate_=vect;
 290         //snap=Vector(0,0);
 291 }
 292
 293 bool
 294 DuckDrag_SmoothMove::end_duck_drag(Duckmatic* duckmatic)
 295 {
 296         //synfig::info("end_duck_drag(): Diff= %f",last_translate_.mag());
 297         if(last_translate_.mag()>0.0001)
 298         {
 299                 const DuckList selected_ducks(duckmatic->get_selected_ducks());
 300                 DuckList::const_iterator iter;
 301
 302                 int i;
 303
 304                 smart_ptr<OneMoment> wait;if(selected_ducks.size()>20)wait.spawn();
 305
 306                 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 307                 {
 308                         if(last_[i].mag()>0.0001)
 309                                 if(!(*iter)->signal_edited()((*iter)->get_point()))
 310                                 {
 311                                         throw String("Bad Move");
 312                                 }
 313                 }
 314                 //duckmatic->get_selected_ducks()=new_set;
 315                 //duckmatic->refresh_selected_ducks();
 316                 return true;
 317         }
 318         else
 319         {
 320                 duckmatic->signal_user_click_selected_ducks(0);
 321                 return false;
 322         }
 323 }