synfig-studio/tags/stable/src/gtkmm/state_smoothmove.cpp

   1 /* === S I N F G =========================================================== */
   2 /*!     \file state_smooth_move.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: state_smoothmove.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002 Robert B. Quattlebaum Jr.
   9 **
  10 **      This software and associated documentation
  11 **      are CONFIDENTIAL and PROPRIETARY property of
  12 **      the above-mentioned copyright holder.
  13 **
  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.
  18 **      \endlegal
  19 */
  20 /* ========================================================================= */
  21
  22 /* === H E A D E R S ======================================================= */
  23
  24 #ifdef USING_PCH
  25 #       include "pch.h"
  26 #else
  27 #ifdef HAVE_CONFIG_H
  28 #       include <config.h>
  29 #endif
  30
  31 #include <gtkmm/dialog.h>
  32 #include <gtkmm/entry.h>
  33
  34 #include <sinfg/valuenode_dynamiclist.h>
  35 #include <sinfgapp/action_system.h>
  36
  37 #include "state_smoothmove.h"
  38 #include "canvasview.h"
  39 #include "workarea.h"
  40 #include "app.h"
  41
  42 #include <sinfgapp/action.h>
  43 #include "event_mouse.h"
  44 #include "event_layerclick.h"
  45 #include "toolbox.h"
  46 #include "dialog_tooloptions.h"
  47 #include <gtkmm/optionmenu.h>
  48 #include "duck.h"
  49 #include "onemoment.h"
  50 #include <sinfgapp/main.h>
  51
  52 #endif
  53
  54 /* === U S I N G =========================================================== */
  55
  56 using namespace std;
  57 using namespace etl;
  58 using namespace sinfg;
  59 using namespace studio;
  60
  61 /* === M A C R O S ========================================================= */
  62
  63 /* === G L O B A L S ======================================================= */
  64
  65 StateSmoothMove studio::state_smooth_move;
  66
  67 /* === C L A S S E S & S T R U C T S ======================================= */
  68
  69 class DuckDrag_SmoothMove : public DuckDrag_Base
  70 {
  71         float radius;
  72
  73         sinfg::Vector last_translate_;
  74         sinfg::Vector drag_offset_;
  75         sinfg::Vector snap;
  76
  77         std::vector<sinfg::Vector> last_;
  78         std::vector<sinfg::Vector> positions;
  79
  80 public:
  81         DuckDrag_SmoothMove();
  82         void begin_duck_drag(Duckmatic* duckmatic, const sinfg::Vector& begin);
  83         bool end_duck_drag(Duckmatic* duckmatic);
  84         void duck_drag(Duckmatic* duckmatic, const sinfg::Vector& vector);
  85
  86         void set_radius(float x) { radius=x; }
  87         float get_radius()const { return radius; }
  88 };
  89
  90
  91 class studio::StateSmoothMove_Context : public sigc::trackable
  92 {
  93         etl::handle<CanvasView> canvas_view_;
  94
  95         //Duckmatic::Push duckmatic_push;
  96
  97         sinfgapp::Settings& settings;
  98
  99         etl::handle<DuckDrag_SmoothMove> duck_dragger_;
 100
 101         Gtk::Table options_table;
 102
 103         Gtk::Adjustment  adj_radius;
 104         Gtk::SpinButton  spin_radius;
 105
 106         float pressure;
 107
 108 public:
 109         float get_radius()const { return adj_radius.get_value(); }
 110         void set_radius(float x) { return adj_radius.set_value(x); }
 111
 112         void refresh_radius() { duck_dragger_->set_radius(get_radius()*pressure); }
 113
 114         Smach::event_result event_stop_handler(const Smach::event& x);
 115
 116         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 117
 118         void refresh_tool_options();
 119
 120         StateSmoothMove_Context(CanvasView* canvas_view);
 121
 122         ~StateSmoothMove_Context();
 123
 124         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 125         etl::handle<sinfgapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 126         sinfg::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 127         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 128
 129         void load_settings();
 130         void save_settings();
 131 };      // END of class StateSmoothMove_Context
 132
 133 /* === M E T H O D S ======================================================= */
 134
 135 StateSmoothMove::StateSmoothMove():
 136         Smach::state<StateSmoothMove_Context>("smooth_move")
 137 {
 138         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateSmoothMove_Context::event_refresh_tool_options));
 139 }
 140
 141 StateSmoothMove::~StateSmoothMove()
 142 {
 143 }
 144
 145 void
 146 StateSmoothMove_Context::load_settings()
 147 {
 148         String value;
 149
 150         if(settings.get_value("smooth_move.radius",value))
 151                 set_radius(atof(value.c_str()));
 152         else
 153                 set_radius(1.0f);
 154 }
 155
 156 void
 157 StateSmoothMove_Context::save_settings()
 158 {
 159         settings.set_value("smooth_move.radius",strprintf("%f",get_radius()));
 160 }
 161
 162 StateSmoothMove_Context::StateSmoothMove_Context(CanvasView* canvas_view):
 163         canvas_view_(canvas_view),
 164 //      duckmatic_push(get_work_area()),
 165         settings(sinfgapp::Main::get_selected_input_device()->settings()),
 166         duck_dragger_(new DuckDrag_SmoothMove()),
 167         adj_radius(1,0,100000,0.01,0.1),
 168         spin_radius(adj_radius,0.1,3)
 169 {
 170         pressure=1.0f;
 171
 172         // Set up the tool options dialog
 173         //options_table.attach(*manage(new Gtk::Label(_("SmoothMove Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 174
 175         options_table.attach(*manage(new Gtk::Label(_("Radius"))), 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 176         options_table.attach(spin_radius, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 177
 178         spin_radius.signal_value_changed().connect(sigc::mem_fun(*this,&StateSmoothMove_Context::refresh_radius));
 179
 180         options_table.show_all();
 181         refresh_tool_options();
 182         //App::dialog_tool_options->set_widget(options_table);
 183         App::dialog_tool_options->present();
 184
 185         get_work_area()->allow_layer_clicks=true;
 186         get_work_area()->set_duck_dragger(duck_dragger_);
 187
 188         App::toolbox->refresh();
 189
 190 //      get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 191         get_canvas_view()->work_area->reset_cursor();
 192
 193         load_settings();
 194 }
 195
 196 void
 197 StateSmoothMove_Context::refresh_tool_options()
 198 {
 199         App::dialog_tool_options->clear();
 200         App::dialog_tool_options->set_widget(options_table);
 201         App::dialog_tool_options->set_local_name(_("Smooth Move"));
 202         App::dialog_tool_options->set_name("smooth_move");
 203 }
 204
 205 Smach::event_result
 206 StateSmoothMove_Context::event_refresh_tool_options(const Smach::event& x)
 207 {
 208         refresh_tool_options();
 209         return Smach::RESULT_ACCEPT;
 210 }
 211
 212 StateSmoothMove_Context::~StateSmoothMove_Context()
 213 {
 214         save_settings();
 215
 216         get_work_area()->clear_duck_dragger();
 217         get_canvas_view()->work_area->reset_cursor();
 218
 219         App::dialog_tool_options->clear();
 220
 221         App::toolbox->refresh();
 222 }
 223
 224
 225
 226
 227 DuckDrag_SmoothMove::DuckDrag_SmoothMove():radius(1.0f)
 228 {
 229 }
 230
 231 void
 232 DuckDrag_SmoothMove::begin_duck_drag(Duckmatic* duckmatic, const sinfg::Vector& offset)
 233 {
 234         last_translate_=Vector(0,0);
 235                 drag_offset_=duckmatic->find_duck(offset)->get_trans_point();
 236
 237                 //snap=drag_offset-duckmatic->snap_point_to_grid(drag_offset);
 238                 //snap=offset-drag_offset_;
 239                 snap=Vector(0,0);
 240
 241         last_.clear();
 242         positions.clear();
 243         const DuckList selected_ducks(duckmatic->get_selected_ducks());
 244         DuckList::const_iterator iter;
 245         int i;
 246         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 247         {
 248                 last_.push_back(Vector(0,0));
 249                 positions.push_back((*iter)->get_trans_point());
 250         }
 251 }
 252
 253 void
 254 DuckDrag_SmoothMove::duck_drag(Duckmatic* duckmatic, const sinfg::Vector& vector)
 255 {
 256         const DuckList selected_ducks(duckmatic->get_selected_ducks());
 257         DuckList::const_iterator iter;
 258         sinfg::Vector vect(duckmatic->snap_point_to_grid(vector)-drag_offset_+snap);
 259
 260         int i;
 261
 262         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 263         {
 264                 if(((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
 265                 Point p(positions[i]);
 266
 267                 float dist(1.0f-(p-drag_offset_).mag()/get_radius());
 268                 if(dist<0)
 269                         dist=0;
 270
 271                 last_[i]=vect*dist;
 272                 (*iter)->set_trans_point(p+last_[i]);
 273         }
 274
 275         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 276         {
 277                 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
 278                 Point p(positions[i]);
 279
 280                 float dist(1.0f-(p-drag_offset_).mag()/get_radius());
 281                 if(dist<0)
 282                         dist=0;
 283
 284                 last_[i]=vect*dist;
 285                 (*iter)->set_trans_point(p+last_[i]);
 286         }
 287
 288         last_translate_=vect;
 289         //snap=Vector(0,0);
 290 }
 291
 292 bool
 293 DuckDrag_SmoothMove::end_duck_drag(Duckmatic* duckmatic)
 294 {
 295         //sinfg::info("end_duck_drag(): Diff= %f",last_translate_.mag());
 296         if(last_translate_.mag()>0.0001)
 297         {
 298                 const DuckList selected_ducks(duckmatic->get_selected_ducks());
 299                 DuckList::const_iterator iter;
 300
 301                 int i;
 302
 303                 smart_ptr<OneMoment> wait;if(selected_ducks.size()>20)wait.spawn();
 304
 305                 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 306                 {
 307                         if(last_[i].mag()>0.0001)
 308                                 if(!(*iter)->signal_edited()((*iter)->get_point()))
 309                                 {
 310                                         throw String("Bad Move");
 311                                 }
 312                 }
 313                 //duckmatic->get_selected_ducks()=new_set;
 314                 //duckmatic->refresh_selected_ducks();
 315                 return true;
 316         }
 317         else
 318         {
 319                 duckmatic->signal_user_click_selected_ducks(0);
 320                 return false;
 321         }
 322 }