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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file state_rectangle.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_rectangle.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 <synfigapp/main.h>
  51
  52 #endif
  53
  54 /* === U S I N G =========================================================== */
  55
  56 using namespace std;
  57 using namespace etl;
  58 using namespace synfig;
  59 using namespace studio;
  60
  61 /* === M A C R O S ========================================================= */
  62
  63 /* === G L O B A L S ======================================================= */
  64
  65 StateRectangle studio::state_rectangle;
  66
  67 /* === C L A S S E S & S T R U C T S ======================================= */
  68
  69 class studio::StateRectangle_Context : public sigc::trackable
  70 {
  71         etl::handle<CanvasView> canvas_view_;
  72         CanvasView::IsWorking is_working;
  73
  74         Duckmatic::Push duckmatic_push;
  75
  76         Point point_holder;
  77
  78         etl::handle<Duck> point2_duck;
  79
  80         void refresh_ducks();
  81
  82         bool prev_workarea_layer_status_;
  83
  84         //Toolbox settings
  85         synfigapp::Settings& settings;
  86
  87         //Toolbox display
  88         Gtk::Table options_table;
  89
  90         Gtk::Entry              entry_id; //what to name the layer
  91
  92         Gtk::Adjustment adj_expand;
  93         Gtk::SpinButton spin_expand;
  94
  95         Gtk::CheckButton check_invert;
  96
  97 public:
  98
  99         synfig::String get_id()const { return entry_id.get_text(); }
 100         void set_id(const synfig::String& x) { return entry_id.set_text(x); }
 101
 102         Real get_expand()const { return adj_expand.get_value(); }
 103         void set_expand(Real f) { adj_expand.set_value(f); }
 104
 105         bool get_invert()const { return check_invert.get_active(); }
 106         void set_invert(bool i) { check_invert.set_active(i); }
 107
 108         void refresh_tool_options(); //to refresh the toolbox
 109
 110         //events
 111         Smach::event_result event_stop_handler(const Smach::event& x);
 112         Smach::event_result event_refresh_handler(const Smach::event& x);
 113         Smach::event_result event_mouse_click_handler(const Smach::event& x);
 114         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 115
 116         //constructor destructor
 117         StateRectangle_Context(CanvasView* canvas_view);
 118         ~StateRectangle_Context();
 119
 120         //Canvas interaction
 121         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 122         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 123         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 124         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 125
 126         //Modifying settings etc.
 127         void load_settings();
 128         void save_settings();
 129         void reset();
 130         void increment_id();
 131         bool egress_on_selection_change;
 132         Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
 133         {
 134                 if(egress_on_selection_change)
 135                         throw Smach::egress_exception();
 136                 return Smach::RESULT_OK;
 137         }
 138
 139         void make_rectangle(const Point& p1, const Point& p2);
 140
 141 };      // END of class StateGradient_Context
 142
 143 /* === M E T H O D S ======================================================= */
 144
 145 StateRectangle::StateRectangle():
 146         Smach::state<StateRectangle_Context>("rectangle")
 147 {
 148         insert(event_def(EVENT_STOP,&StateRectangle_Context::event_stop_handler));
 149         insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateRectangle_Context::event_layer_selection_changed_handler));
 150         insert(event_def(EVENT_REFRESH,&StateRectangle_Context::event_refresh_handler));
 151         insert(event_def(EVENT_REFRESH_DUCKS,&StateRectangle_Context::event_refresh_handler));
 152         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateRectangle_Context::event_mouse_click_handler));
 153         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateRectangle_Context::event_mouse_click_handler));
 154         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateRectangle_Context::event_mouse_click_handler));
 155         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateRectangle_Context::event_refresh_tool_options));
 156 }
 157
 158 StateRectangle::~StateRectangle()
 159 {
 160 }
 161
 162 void
 163 StateRectangle_Context::load_settings()
 164 {
 165         String value;
 166
 167         //parse the arguments yargh!
 168         if(settings.get_value("rectangle.id",value))
 169                 set_id(value);
 170         else
 171                 set_id("Rectangle");
 172
 173         if(settings.get_value("rectangle.expand",value))
 174                 set_expand(atof(value.c_str()));
 175         else
 176                 set_expand(0);
 177
 178         if(settings.get_value("rectangle.invert",value) && value != "0")
 179                 set_invert(true);
 180         else
 181                 set_invert(false);
 182 }
 183
 184 void
 185 StateRectangle_Context::save_settings()
 186 {
 187         settings.set_value("rectangle.id",get_id().c_str());
 188         settings.set_value("rectangle.expand",strprintf("%f",get_expand()));
 189         settings.set_value("rectangle.invert",get_invert()?"1":"0");
 190 }
 191
 192 void
 193 StateRectangle_Context::reset()
 194 {
 195         refresh_ducks();
 196 }
 197
 198 void
 199 StateRectangle_Context::increment_id()
 200 {
 201         String id(get_id());
 202         int number=1;
 203         int digits=0;
 204
 205         if(id.empty())
 206                 id="Circle";
 207
 208         // If there is a number
 209         // already at the end of the
 210         // id, then remove it.
 211         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 212         {
 213                 // figure out how many digits it is
 214                 for(digits=0;(int)id.size()-1>=digits && id[id.size()-1-digits]<='9' && id[id.size()-1-digits]>='0';digits++)while(false);
 215
 216                 String str_number;
 217                 str_number=String(id,id.size()-digits,id.size());
 218                 id=String(id,0,id.size()-digits);
 219
 220                 number=atoi(str_number.c_str());
 221         }
 222         else
 223         {
 224                 number=1;
 225                 digits=3;
 226         }
 227
 228         number++;
 229
 230         // Add the number back onto the id
 231         {
 232                 const String format(strprintf("%%0%dd",digits));
 233                 id+=strprintf(format.c_str(),number);
 234         }
 235
 236         // Set the ID
 237         set_id(id);
 238 }
 239
 240 StateRectangle_Context::StateRectangle_Context(CanvasView* canvas_view):
 241         canvas_view_(canvas_view),
 242         is_working(*canvas_view),
 243         duckmatic_push(get_work_area()),
 244         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 245         settings(synfigapp::Main::get_selected_input_device()->settings()),
 246         entry_id(),
 247         adj_expand(0,0,1,0.01,0.1),
 248         spin_expand(adj_expand,0.1,3),
 249         check_invert(_("Invert"))
 250 {
 251         egress_on_selection_change=true;
 252         load_settings();
 253
 254         // Set up the tool options dialog
 255         //options_table.attach(*manage(new Gtk::Label(_("Circle Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 256         options_table.attach(entry_id, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 257
 258         //expand stuff
 259         options_table.attach(*manage(new Gtk::Label(_("Expansion:"))), 0, 1, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 260         options_table.attach(spin_expand, 1, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 261
 262         //invert flag
 263         options_table.attach(check_invert, 1, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 264
 265         options_table.show_all();
 266
 267         //App::dialog_tool_options->set_widget(options_table);
 268         refresh_tool_options();
 269         App::dialog_tool_options->present();
 270
 271         // Turn off layer clicking
 272         get_work_area()->set_allow_layer_clicks(false);
 273
 274         // clear out the ducks
 275         get_work_area()->clear_ducks();
 276
 277         // Refresh the work area
 278         get_work_area()->queue_draw();
 279
 280         get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 281
 282         // Hide the tables if they are showing
 283         //prev_table_status=get_canvas_view()->tables_are_visible();
 284         //if(prev_table_status)get_canvas_view()->hide_tables();
 285
 286         // Disable the time bar
 287         //get_canvas_view()->set_sensitive_timebar(false);
 288
 289         // Connect a signal
 290         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateRectangle_Context::on_user_click));
 291
 292         App::toolbox->refresh();
 293 }
 294
 295 void
 296 StateRectangle_Context::refresh_tool_options()
 297 {
 298         App::dialog_tool_options->clear();
 299         App::dialog_tool_options->set_widget(options_table);
 300         App::dialog_tool_options->set_local_name(_("Rectangle Tool"));
 301         App::dialog_tool_options->set_name("rectangle");
 302 }
 303
 304 Smach::event_result
 305 StateRectangle_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 306 {
 307         refresh_tool_options();
 308         return Smach::RESULT_ACCEPT;
 309 }
 310
 311 StateRectangle_Context::~StateRectangle_Context()
 312 {
 313         save_settings();
 314
 315         // Restore layer clicking
 316         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 317
 318         get_canvas_view()->work_area->reset_cursor();
 319
 320         App::dialog_tool_options->clear();
 321
 322         // Enable the time bar
 323         //get_canvas_view()->set_sensitive_timebar(true);
 324
 325         // Bring back the tables if they were out before
 326         //if(prev_table_status)get_canvas_view()->show_tables();
 327
 328         // Refresh the work area
 329         get_work_area()->queue_draw();
 330
 331         App::toolbox->refresh();
 332 }
 333
 334 Smach::event_result
 335 StateRectangle_Context::event_stop_handler(const Smach::event& /*x*/)
 336 {
 337         throw Smach::egress_exception();
 338 }
 339
 340 Smach::event_result
 341 StateRectangle_Context::event_refresh_handler(const Smach::event& /*x*/)
 342 {
 343         refresh_ducks();
 344         return Smach::RESULT_ACCEPT;
 345 }
 346
 347 void
 348 StateRectangle_Context::make_rectangle(const Point& _p1, const Point& _p2)
 349 {
 350         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Rectangle"));
 351         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 352
 353         Layer::Handle layer;
 354
 355         Canvas::Handle canvas(get_canvas_view()->get_canvas());
 356         int depth(0);
 357
 358         // we are temporarily using the layer to hold something
 359         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 360         if(layer)
 361         {
 362                 depth=layer->get_depth();
 363                 canvas=layer->get_canvas();
 364         }
 365
 366         //create the layer
 367         layer=get_canvas_interface()->add_layer_to("rectangle",canvas,depth);
 368
 369         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 370         const Point p1(transform.unperform(_p1));
 371         const Point p2(transform.unperform(_p2));
 372
 373         //set all the parameters
 374         layer->set_param("point1",p1);
 375         get_canvas_interface()->signal_layer_param_changed()(layer,"point1");
 376         layer->set_param("point2",p2);
 377         get_canvas_interface()->signal_layer_param_changed()(layer,"point2");
 378
 379         layer->set_param("expand",get_expand());
 380         get_canvas_interface()->signal_layer_param_changed()(layer,"expand");
 381
 382         layer->set_param("invert",get_invert());
 383         get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 384
 385         //name
 386         layer->set_description(get_id());
 387         get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 388
 389         egress_on_selection_change=false;
 390         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 391         get_canvas_interface()->get_selection_manager()->set_selected_layer(layer);
 392         egress_on_selection_change=true;
 393
 394         //post clean up stuff...
 395         reset();
 396         increment_id();
 397 }
 398
 399 Smach::event_result
 400 StateRectangle_Context::event_mouse_click_handler(const Smach::event& x)
 401 {
 402         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 403
 404         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
 405         {
 406                 point_holder=get_work_area()->snap_point_to_grid(event.pos);
 407                 etl::handle<Duck> duck=new Duck();
 408                 duck->set_point(point_holder);
 409                 duck->set_name("p1");
 410                 duck->set_type(Duck::TYPE_POSITION);
 411                 get_work_area()->add_duck(duck);
 412
 413                 point2_duck=new Duck();
 414                 point2_duck->set_point(point_holder);
 415                 point2_duck->set_name("p2");
 416                 point2_duck->set_type(Duck::TYPE_POSITION);
 417                 point2_duck->set_box_duck(duck);
 418                 get_work_area()->add_duck(point2_duck);
 419
 420                 return Smach::RESULT_ACCEPT;
 421         }
 422
 423         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
 424         {
 425                 point2_duck->set_point(get_work_area()->snap_point_to_grid(event.pos));
 426                 get_work_area()->queue_draw();
 427                 return Smach::RESULT_ACCEPT;
 428         }
 429
 430         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
 431         {
 432                 make_rectangle(point_holder, get_work_area()->snap_point_to_grid(event.pos));
 433                 get_work_area()->clear_ducks();
 434                 return Smach::RESULT_ACCEPT;
 435         }
 436
 437         return Smach::RESULT_OK;
 438 }
 439
 440
 441 void
 442 StateRectangle_Context::refresh_ducks()
 443 {
 444         get_work_area()->clear_ducks();
 445         get_work_area()->queue_draw();
 446 }