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;
 217                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
 218                          digits++)
 219                         ;
 220
 221                 String str_number;
 222                 str_number=String(id,id.size()-digits,id.size());
 223                 id=String(id,0,id.size()-digits);
 224
 225                 number=atoi(str_number.c_str());
 226         }
 227         else
 228         {
 229                 number=1;
 230                 digits=3;
 231         }
 232
 233         number++;
 234
 235         // Add the number back onto the id
 236         {
 237                 const String format(strprintf("%%0%dd",digits));
 238                 id+=strprintf(format.c_str(),number);
 239         }
 240
 241         // Set the ID
 242         set_id(id);
 243 }
 244
 245 StateRectangle_Context::StateRectangle_Context(CanvasView* canvas_view):
 246         canvas_view_(canvas_view),
 247         is_working(*canvas_view),
 248         duckmatic_push(get_work_area()),
 249         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 250         settings(synfigapp::Main::get_selected_input_device()->settings()),
 251         entry_id(),
 252         adj_expand(0,0,1,0.01,0.1),
 253         spin_expand(adj_expand,0.1,3),
 254         check_invert(_("Invert"))
 255 {
 256         egress_on_selection_change=true;
 257         load_settings();
 258
 259         // Set up the tool options dialog
 260         //options_table.attach(*manage(new Gtk::Label(_("Circle Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 261         options_table.attach(entry_id, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 262
 263         //expand stuff
 264         options_table.attach(*manage(new Gtk::Label(_("Expansion:"))), 0, 1, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 265         options_table.attach(spin_expand, 1, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 266
 267         //invert flag
 268         options_table.attach(check_invert, 1, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 269
 270         options_table.show_all();
 271
 272         //App::dialog_tool_options->set_widget(options_table);
 273         refresh_tool_options();
 274         App::dialog_tool_options->present();
 275
 276         // Turn off layer clicking
 277         get_work_area()->set_allow_layer_clicks(false);
 278
 279         // clear out the ducks
 280         get_work_area()->clear_ducks();
 281
 282         // Refresh the work area
 283         get_work_area()->queue_draw();
 284
 285         get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 286
 287         // Hide the tables if they are showing
 288         //prev_table_status=get_canvas_view()->tables_are_visible();
 289         //if(prev_table_status)get_canvas_view()->hide_tables();
 290
 291         // Disable the time bar
 292         //get_canvas_view()->set_sensitive_timebar(false);
 293
 294         // Connect a signal
 295         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateRectangle_Context::on_user_click));
 296
 297         App::toolbox->refresh();
 298 }
 299
 300 void
 301 StateRectangle_Context::refresh_tool_options()
 302 {
 303         App::dialog_tool_options->clear();
 304         App::dialog_tool_options->set_widget(options_table);
 305         App::dialog_tool_options->set_local_name(_("Rectangle Tool"));
 306         App::dialog_tool_options->set_name("rectangle");
 307 }
 308
 309 Smach::event_result
 310 StateRectangle_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 311 {
 312         refresh_tool_options();
 313         return Smach::RESULT_ACCEPT;
 314 }
 315
 316 StateRectangle_Context::~StateRectangle_Context()
 317 {
 318         save_settings();
 319
 320         // Restore layer clicking
 321         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 322
 323         get_canvas_view()->work_area->reset_cursor();
 324
 325         App::dialog_tool_options->clear();
 326
 327         // Enable the time bar
 328         //get_canvas_view()->set_sensitive_timebar(true);
 329
 330         // Bring back the tables if they were out before
 331         //if(prev_table_status)get_canvas_view()->show_tables();
 332
 333         // Refresh the work area
 334         get_work_area()->queue_draw();
 335
 336         App::toolbox->refresh();
 337 }
 338
 339 Smach::event_result
 340 StateRectangle_Context::event_stop_handler(const Smach::event& /*x*/)
 341 {
 342         throw Smach::egress_exception();
 343 }
 344
 345 Smach::event_result
 346 StateRectangle_Context::event_refresh_handler(const Smach::event& /*x*/)
 347 {
 348         refresh_ducks();
 349         return Smach::RESULT_ACCEPT;
 350 }
 351
 352 void
 353 StateRectangle_Context::make_rectangle(const Point& _p1, const Point& _p2)
 354 {
 355         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Rectangle"));
 356         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 357
 358         Layer::Handle layer;
 359
 360         Canvas::Handle canvas(get_canvas_view()->get_canvas());
 361         int depth(0);
 362
 363         // we are temporarily using the layer to hold something
 364         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 365         if(layer)
 366         {
 367                 depth=layer->get_depth();
 368                 canvas=layer->get_canvas();
 369         }
 370
 371         //create the layer
 372         layer=get_canvas_interface()->add_layer_to("rectangle",canvas,depth);
 373
 374         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 375         const Point p1(transform.unperform(_p1));
 376         const Point p2(transform.unperform(_p2));
 377
 378         //set all the parameters
 379         layer->set_param("point1",p1);
 380         get_canvas_interface()->signal_layer_param_changed()(layer,"point1");
 381         layer->set_param("point2",p2);
 382         get_canvas_interface()->signal_layer_param_changed()(layer,"point2");
 383
 384         layer->set_param("expand",get_expand());
 385         get_canvas_interface()->signal_layer_param_changed()(layer,"expand");
 386
 387         layer->set_param("invert",get_invert());
 388         get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 389
 390         //name
 391         layer->set_description(get_id());
 392         get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 393
 394         egress_on_selection_change=false;
 395         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 396         get_canvas_interface()->get_selection_manager()->set_selected_layer(layer);
 397         egress_on_selection_change=true;
 398
 399         //post clean up stuff...
 400         reset();
 401         increment_id();
 402 }
 403
 404 Smach::event_result
 405 StateRectangle_Context::event_mouse_click_handler(const Smach::event& x)
 406 {
 407         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 408
 409         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
 410         {
 411                 point_holder=get_work_area()->snap_point_to_grid(event.pos);
 412                 etl::handle<Duck> duck=new Duck();
 413                 duck->set_point(point_holder);
 414                 duck->set_name("p1");
 415                 duck->set_type(Duck::TYPE_POSITION);
 416                 get_work_area()->add_duck(duck);
 417
 418                 point2_duck=new Duck();
 419                 point2_duck->set_point(point_holder);
 420                 point2_duck->set_name("p2");
 421                 point2_duck->set_type(Duck::TYPE_POSITION);
 422                 point2_duck->set_box_duck(duck);
 423                 get_work_area()->add_duck(point2_duck);
 424
 425                 return Smach::RESULT_ACCEPT;
 426         }
 427
 428         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
 429         {
 430                 point2_duck->set_point(get_work_area()->snap_point_to_grid(event.pos));
 431                 get_work_area()->queue_draw();
 432                 return Smach::RESULT_ACCEPT;
 433         }
 434
 435         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
 436         {
 437                 make_rectangle(point_holder, get_work_area()->snap_point_to_grid(event.pos));
 438                 get_work_area()->clear_ducks();
 439                 return Smach::RESULT_ACCEPT;
 440         }
 441
 442         return Smach::RESULT_OK;
 443 }
 444
 445
 446 void
 447 StateRectangle_Context::refresh_ducks()
 448 {
 449         get_work_area()->clear_ducks();
 450         get_work_area()->queue_draw();
 451 }