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 #include "general.h"
  53
  54 #endif
  55
  56 /* === U S I N G =========================================================== */
  57
  58 using namespace std;
  59 using namespace etl;
  60 using namespace synfig;
  61 using namespace studio;
  62
  63 /* === M A C R O S ========================================================= */
  64
  65 /* === G L O B A L S ======================================================= */
  66
  67 StateRectangle studio::state_rectangle;
  68
  69 /* === C L A S S E S & S T R U C T S ======================================= */
  70
  71 class studio::StateRectangle_Context : public sigc::trackable
  72 {
  73         etl::handle<CanvasView> canvas_view_;
  74         CanvasView::IsWorking is_working;
  75
  76         Duckmatic::Push duckmatic_push;
  77
  78         Point point_holder;
  79
  80         etl::handle<Duck> point2_duck;
  81
  82         void refresh_ducks();
  83
  84         bool prev_workarea_layer_status_;
  85
  86         //Toolbox settings
  87         synfigapp::Settings& settings;
  88
  89         //Toolbox display
  90         Gtk::Table options_table;
  91
  92         Gtk::Entry              entry_id; //what to name the layer
  93
  94         Gtk::Adjustment adj_expand;
  95         Gtk::SpinButton spin_expand;
  96
  97         Gtk::CheckButton check_invert;
  98
  99 public:
 100
 101         synfig::String get_id()const { return entry_id.get_text(); }
 102         void set_id(const synfig::String& x) { return entry_id.set_text(x); }
 103
 104         Real get_expand()const { return adj_expand.get_value(); }
 105         void set_expand(Real f) { adj_expand.set_value(f); }
 106
 107         bool get_invert()const { return check_invert.get_active(); }
 108         void set_invert(bool i) { check_invert.set_active(i); }
 109
 110         void refresh_tool_options(); //to refresh the toolbox
 111
 112         //events
 113         Smach::event_result event_stop_handler(const Smach::event& x);
 114         Smach::event_result event_refresh_handler(const Smach::event& x);
 115         Smach::event_result event_mouse_click_handler(const Smach::event& x);
 116         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 117
 118         //constructor destructor
 119         StateRectangle_Context(CanvasView* canvas_view);
 120         ~StateRectangle_Context();
 121
 122         //Canvas interaction
 123         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 124         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 125         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 126         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 127
 128         //Modifying settings etc.
 129         void load_settings();
 130         void save_settings();
 131         void reset();
 132         void increment_id();
 133         bool egress_on_selection_change;
 134         Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
 135         {
 136                 if(egress_on_selection_change)
 137                         throw Smach::egress_exception();
 138                 return Smach::RESULT_OK;
 139         }
 140
 141         void make_rectangle(const Point& p1, const Point& p2);
 142
 143 };      // END of class StateGradient_Context
 144
 145 /* === M E T H O D S ======================================================= */
 146
 147 StateRectangle::StateRectangle():
 148         Smach::state<StateRectangle_Context>("rectangle")
 149 {
 150         insert(event_def(EVENT_STOP,&StateRectangle_Context::event_stop_handler));
 151         insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateRectangle_Context::event_layer_selection_changed_handler));
 152         insert(event_def(EVENT_REFRESH,&StateRectangle_Context::event_refresh_handler));
 153         insert(event_def(EVENT_REFRESH_DUCKS,&StateRectangle_Context::event_refresh_handler));
 154         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateRectangle_Context::event_mouse_click_handler));
 155         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateRectangle_Context::event_mouse_click_handler));
 156         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateRectangle_Context::event_mouse_click_handler));
 157         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateRectangle_Context::event_refresh_tool_options));
 158 }
 159
 160 StateRectangle::~StateRectangle()
 161 {
 162 }
 163
 164 void
 165 StateRectangle_Context::load_settings()
 166 {
 167         String value;
 168
 169         //parse the arguments yargh!
 170         if(settings.get_value("rectangle.id",value))
 171                 set_id(value);
 172         else
 173                 set_id("Rectangle");
 174
 175         if(settings.get_value("rectangle.expand",value))
 176                 set_expand(atof(value.c_str()));
 177         else
 178                 set_expand(0);
 179
 180         if(settings.get_value("rectangle.invert",value) && value != "0")
 181                 set_invert(true);
 182         else
 183                 set_invert(false);
 184 }
 185
 186 void
 187 StateRectangle_Context::save_settings()
 188 {
 189         settings.set_value("rectangle.id",get_id().c_str());
 190         settings.set_value("rectangle.expand",strprintf("%f",get_expand()));
 191         settings.set_value("rectangle.invert",get_invert()?"1":"0");
 192 }
 193
 194 void
 195 StateRectangle_Context::reset()
 196 {
 197         refresh_ducks();
 198 }
 199
 200 void
 201 StateRectangle_Context::increment_id()
 202 {
 203         String id(get_id());
 204         int number=1;
 205         int digits=0;
 206
 207         if(id.empty())
 208                 id="Circle";
 209
 210         // If there is a number
 211         // already at the end of the
 212         // id, then remove it.
 213         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 214         {
 215                 // figure out how many digits it is
 216                 for(digits=0;(int)id.size()-1>=digits && id[id.size()-1-digits]<='9' && id[id.size()-1-digits]>='0';digits++)while(false);
 217
 218                 String str_number;
 219                 str_number=String(id,id.size()-digits,id.size());
 220                 id=String(id,0,id.size()-digits);
 221
 222                 number=atoi(str_number.c_str());
 223         }
 224         else
 225         {
 226                 number=1;
 227                 digits=3;
 228         }
 229
 230         number++;
 231
 232         // Add the number back onto the id
 233         {
 234                 const String format(strprintf("%%0%dd",digits));
 235                 id+=strprintf(format.c_str(),number);
 236         }
 237
 238         // Set the ID
 239         set_id(id);
 240 }
 241
 242 StateRectangle_Context::StateRectangle_Context(CanvasView* canvas_view):
 243         canvas_view_(canvas_view),
 244         is_working(*canvas_view),
 245         duckmatic_push(get_work_area()),
 246         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 247         settings(synfigapp::Main::get_selected_input_device()->settings()),
 248         entry_id(),
 249         adj_expand(0,0,1,0.01,0.1),
 250         spin_expand(adj_expand,0.1,3),
 251         check_invert(_("Invert"))
 252 {
 253         egress_on_selection_change=true;
 254         load_settings();
 255
 256         // Set up the tool options dialog
 257         //options_table.attach(*manage(new Gtk::Label(_("Circle Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 258         options_table.attach(entry_id, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 259
 260         //expand stuff
 261         options_table.attach(*manage(new Gtk::Label(_("Expansion:"))), 0, 1, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 262         options_table.attach(spin_expand, 1, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 263
 264         //invert flag
 265         options_table.attach(check_invert, 1, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 266
 267         options_table.show_all();
 268
 269         //App::dialog_tool_options->set_widget(options_table);
 270         refresh_tool_options();
 271         App::dialog_tool_options->present();
 272
 273         // Turn off layer clicking
 274         get_work_area()->set_allow_layer_clicks(false);
 275
 276         // clear out the ducks
 277         get_work_area()->clear_ducks();
 278
 279         // Refresh the work area
 280         get_work_area()->queue_draw();
 281
 282         get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 283
 284         // Hide the tables if they are showing
 285         //prev_table_status=get_canvas_view()->tables_are_visible();
 286         //if(prev_table_status)get_canvas_view()->hide_tables();
 287
 288         // Disable the time bar
 289         //get_canvas_view()->set_sensitive_timebar(false);
 290
 291         // Connect a signal
 292         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateRectangle_Context::on_user_click));
 293
 294         App::toolbox->refresh();
 295 }
 296
 297 void
 298 StateRectangle_Context::refresh_tool_options()
 299 {
 300         App::dialog_tool_options->clear();
 301         App::dialog_tool_options->set_widget(options_table);
 302         App::dialog_tool_options->set_local_name(_("Rectangle Tool"));
 303         App::dialog_tool_options->set_name("rectangle");
 304 }
 305
 306 Smach::event_result
 307 StateRectangle_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 308 {
 309         refresh_tool_options();
 310         return Smach::RESULT_ACCEPT;
 311 }
 312
 313 StateRectangle_Context::~StateRectangle_Context()
 314 {
 315         save_settings();
 316
 317         // Restore layer clicking
 318         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 319
 320         get_canvas_view()->work_area->reset_cursor();
 321
 322         App::dialog_tool_options->clear();
 323
 324         // Enable the time bar
 325         //get_canvas_view()->set_sensitive_timebar(true);
 326
 327         // Bring back the tables if they were out before
 328         //if(prev_table_status)get_canvas_view()->show_tables();
 329
 330         // Refresh the work area
 331         get_work_area()->queue_draw();
 332
 333         App::toolbox->refresh();
 334 }
 335
 336 Smach::event_result
 337 StateRectangle_Context::event_stop_handler(const Smach::event& /*x*/)
 338 {
 339         throw Smach::egress_exception();
 340 }
 341
 342 Smach::event_result
 343 StateRectangle_Context::event_refresh_handler(const Smach::event& /*x*/)
 344 {
 345         refresh_ducks();
 346         return Smach::RESULT_ACCEPT;
 347 }
 348
 349 void
 350 StateRectangle_Context::make_rectangle(const Point& _p1, const Point& _p2)
 351 {
 352         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Rectangle"));
 353         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 354
 355         Layer::Handle layer;
 356
 357         Canvas::Handle canvas(get_canvas_view()->get_canvas());
 358         int depth(0);
 359
 360         // we are temporarily using the layer to hold something
 361         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 362         if(layer)
 363         {
 364                 depth=layer->get_depth();
 365                 canvas=layer->get_canvas();
 366         }
 367
 368         //create the layer
 369         layer=get_canvas_interface()->add_layer_to("rectangle",canvas,depth);
 370
 371         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 372         const Point p1(transform.unperform(_p1));
 373         const Point p2(transform.unperform(_p2));
 374
 375         //set all the parameters
 376         layer->set_param("point1",p1);
 377         get_canvas_interface()->signal_layer_param_changed()(layer,"point1");
 378         layer->set_param("point2",p2);
 379         get_canvas_interface()->signal_layer_param_changed()(layer,"point2");
 380
 381         layer->set_param("expand",get_expand());
 382         get_canvas_interface()->signal_layer_param_changed()(layer,"expand");
 383
 384         layer->set_param("invert",get_invert());
 385         get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 386
 387         //name
 388         layer->set_description(get_id());
 389         get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 390
 391         egress_on_selection_change=false;
 392         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 393         get_canvas_interface()->get_selection_manager()->set_selected_layer(layer);
 394         egress_on_selection_change=true;
 395
 396         //post clean up stuff...
 397         reset();
 398         increment_id();
 399 }
 400
 401 Smach::event_result
 402 StateRectangle_Context::event_mouse_click_handler(const Smach::event& x)
 403 {
 404         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 405
 406         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
 407         {
 408                 point_holder=get_work_area()->snap_point_to_grid(event.pos);
 409                 etl::handle<Duck> duck=new Duck();
 410                 duck->set_point(point_holder);
 411                 duck->set_name("p1");
 412                 duck->set_type(Duck::TYPE_POSITION);
 413                 get_work_area()->add_duck(duck);
 414
 415                 point2_duck=new Duck();
 416                 point2_duck->set_point(point_holder);
 417                 point2_duck->set_name("p2");
 418                 point2_duck->set_type(Duck::TYPE_POSITION);
 419                 point2_duck->set_box_duck(duck);
 420                 get_work_area()->add_duck(point2_duck);
 421
 422                 return Smach::RESULT_ACCEPT;
 423         }
 424
 425         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
 426         {
 427                 point2_duck->set_point(get_work_area()->snap_point_to_grid(event.pos));
 428                 get_work_area()->queue_draw();
 429                 return Smach::RESULT_ACCEPT;
 430         }
 431
 432         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
 433         {
 434                 make_rectangle(point_holder, get_work_area()->snap_point_to_grid(event.pos));
 435                 get_work_area()->clear_ducks();
 436                 return Smach::RESULT_ACCEPT;
 437         }
 438
 439         return Smach::RESULT_OK;
 440 }
 441
 442
 443 void
 444 StateRectangle_Context::refresh_ducks()
 445 {
 446         get_work_area()->clear_ducks();
 447         get_work_area()->queue_draw();
 448 }