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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file toolbox.cpp
   3 **      \brief writeme
   4 **
   5 **      \legal
   6 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   7 **
   8 **      This package is free software; you can redistribute it and/or
   9 **      modify it under the terms of the GNU General Public License as
  10 **      published by the Free Software Foundation; either version 2 of
  11 **      the License, or (at your option) any later version.
  12 **
  13 **      This package is distributed in the hope that it will be useful,
  14 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16 **      General Public License for more details.
  17 **      \endlegal
  18 **
  19 ** === N O T E S ===========================================================
  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 <gtk/gtk.h>
  33 #include <gtkmm/uimanager.h>
  34
  35 #include <gtkmm/ruler.h>
  36 #include <gtkmm/arrow.h>
  37 #include <gtkmm/image.h>
  38 #include <gdkmm/pixbufloader.h>
  39 #include <gtkmm/viewport.h>
  40 #include <gtkmm/adjustment.h>
  41 #include <gtkmm/scrolledwindow.h>
  42 #include <gtkmm/table.h>
  43 #include <gtkmm/statusbar.h>
  44 #include <gtkmm/menubar.h>
  45 #include <gtkmm/menu.h>
  46 #include <gtkmm/button.h>
  47 #include <gtkmm/toolbar.h>
  48 #include <gtkmm/box.h>
  49 #include <gtkmm/image.h>
  50 #include <gtkmm/stock.h>
  51 #include <gtkmm/handlebox.h>
  52
  53 #include <gtkmm/inputdialog.h>
  54
  55 #include <sigc++/signal.h>
  56 #include <sigc++/hide.h>
  57 #include <sigc++/slot.h>
  58 #include <sigc++/retype_return.h>
  59 #include <sigc++/retype.h>
  60
  61 #include <sstream>
  62
  63 #include "toolbox.h"
  64 #include "instance.h"
  65 #include "app.h"
  66 #include "canvasview.h"
  67 #include "dialog_gradient.h"
  68 #include "dialog_color.h"
  69 #include "dialog_tooloptions.h"
  70 #include "dialog_preview.h"
  71 #include "dockable.h"
  72 #include "dockmanager.h"
  73 #include "dockdialog.h"
  74
  75 #include "widget_defaults.h"
  76
  77 #include <synfigapp/main.h>
  78
  79 #endif
  80
  81 using namespace std;
  82 using namespace etl;
  83 using namespace synfig;
  84 using namespace studio;
  85 using namespace SigC;
  86
  87 /* === M A C R O S ========================================================= */
  88
  89 #define GRAB_HINT_DATA(y,default)       { \
  90                 String x; \
  91                 if(synfigapp::Main::settings().get_value(String("pref.")+y+"_hints",x)) \
  92                 { \
  93                         set_type_hint((Gdk::WindowTypeHint)atoi(x.c_str()));    \
  94                 } else {\
  95                         set_type_hint(default); \
  96                 } \
  97         }
  98
  99 /* === G L O B A L S ======================================================= */
 100
 101 /* === P R O C E D U R E S ================================================= */
 102
 103 /* === M E T H O D S ======================================================= */
 104
 105 #define TOGGLE_TOOLBOX_BUTTON(button,stockid,tooltip)   \
 106         button = manage(new class Gtk::ToggleButton()); \
 107         icon=manage(new Gtk::Image(Gtk::StockID(stockid),Gtk::IconSize(4)));    \
 108         button->add(*icon);     \
 109         tooltips.set_tip(*button,tooltip);      \
 110         icon->show();   \
 111         button->show()
 112
 113 #define TOOLBOX_BUTTON(button,stockid,tooltip)  \
 114         button = manage(new class Gtk::Button());       \
 115         icon=manage(new Gtk::Image(Gtk::StockID(stockid),Gtk::IconSize(4)));    \
 116         button->add(*icon);     \
 117         tooltips.set_tip(*button,tooltip);      \
 118         icon->show();   \
 119         button->show()
 120
 121 #define ADD_TOOLBOX_BUTTON(button,stockid,tooltip)      Gtk::Button *TOOLBOX_BUTTON(button,stockid,tooltip)
 122
 123 void
 124 save_selected_instance()
 125 {
 126         if(!studio::App::get_selected_instance())
 127         {
 128                 App::dialog_error_blocking("Cannot save","Nothing to save");
 129                 return;
 130         }
 131
 132         if(!studio::App::get_selected_instance()->save())
 133                 App::dialog_error_blocking("Save - Error","Unable to save file");
 134 }
 135
 136 void
 137 save_as_selected_instance()
 138 {
 139         if(!studio::App::get_selected_instance())
 140         {
 141                 App::dialog_error_blocking("Cannot save as","Nothing to save");
 142                 return;
 143         }
 144
 145         studio::App::get_selected_instance()->dialog_save_as();
 146 }
 147
 148 void
 149 close_selected_instance()
 150 {
 151         etl::handle<studio::Instance> instance=studio::App::get_selected_instance();
 152
 153         if(!instance)
 154         {
 155                 App::dialog_error_blocking("Cannot close","Nothing to close");
 156                 return;
 157         }
 158
 159         instance->safe_close();
 160
 161         //assert(instance.unique());
 162 }
 163
 164
 165 static void
 166 show_dialog_input()
 167 {
 168         App::dialog_input->present();
 169 }
 170
 171 void _create_stock_dialog1()
 172 {
 173         DockDialog* dock_dialog(new DockDialog);
 174         dock_dialog->set_contents("canvases history");
 175         dock_dialog->set_composition_selector(true);
 176         dock_dialog->present();
 177 }
 178 void _create_stock_dialog2()
 179 {
 180         DockDialog* dock_dialog(new DockDialog);
 181         dock_dialog->set_contents("layers children keyframes | params");
 182         dock_dialog->present();
 183 }
 184
 185 static void
 186 show_dialog_color()
 187 {
 188         App::dialog_color->present();
 189 }
 190
 191 Toolbox::Toolbox():
 192         Gtk::Window(Gtk::WINDOW_TOPLEVEL),
 193         dialog_settings(this,"toolbox")
 194 {
 195         GRAB_HINT_DATA(
 196                 "toolbox",
 197 //#ifdef __APPLE__
 198                 Gdk::WINDOW_TYPE_HINT_NORMAL
 199 //#else
 200 //              Gdk::WINDOW_TYPE_HINT_UTILITY
 201 //#endif
 202         );
 203         set_keep_above(false);
 204         set_role("toolbox");
 205
 206
 207
 208         recent_files_menu= manage(new class Gtk::Menu());
 209
 210         Gtk::Menu       *filemenu       =manage(new class Gtk::Menu());
 211
 212         dock_dialogs=manage(new class Gtk::Menu());
 213
 214         dock_dialogs->items().push_back(Gtk::Menu_Helpers::MenuElem("Canvases, History",sigc::ptr_fun(_create_stock_dialog1)));
 215         dock_dialogs->items().push_back(Gtk::Menu_Helpers::MenuElem("Layers, Children , Params",sigc::ptr_fun(_create_stock_dialog2)));
 216         dock_dialogs->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 217
 218
 219         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::NEW,
 220                 sigc::ptr_fun(&studio::App::new_instance)));
 221         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::OPEN,
 222                 sigc::ptr_fun(&studio::App::dialog_open)));
 223
 224         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Open Recent"),*recent_files_menu));
 225
 226         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-saveall"),
 227                 sigc::ptr_fun(&studio::App::dialog_not_implemented)));
 228         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::CLOSE,
 229                 sigc::ptr_fun(close_selected_instance)));
 230         filemenu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 231         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Dialogs"),*dock_dialogs));
 232
 233         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Canvas Browser..."),
 234         //      sigc::mem_fun(studio::App::show_comp_view)));
 235         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Gradient Editor..."),
 236         //      sigc::mem_fun(show_dialog_gradient)));
 237         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Tool Options"),
 238         //      sigc::mem_fun(show_dialog_tool_options)));
 239         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Colors..."),
 240         //      sigc::mem_fun(show_dialog_color)));
 241         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Color Palette..."),
 242         //      sigc::mem_fun(show_dialog_palette)));
 243         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Input Devices..."),
 244                 sigc::ptr_fun(&show_dialog_input)));
 245         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Setup..."),
 246                 sigc::ptr_fun(&studio::App::show_setup)));
 247
 248         filemenu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 249         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID(Gtk::Stock::QUIT),
 250                 sigc::ptr_fun(studio::App::quit)));
 251
 252         Gtk::Menu       *helpmenu = manage(new class Gtk::Menu());
 253         helpmenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::HELP,
 254                 sigc::ptr_fun(studio::App::dialog_not_implemented)));
 255         helpmenu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 256         helpmenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-about"),
 257                 sigc::ptr_fun(studio::App::dialog_about)));
 258
 259         Gtk::MenuBar *menubar1 = manage(new class Gtk::MenuBar());
 260         menubar1->items().push_back(Gtk::Menu_Helpers::MenuElem("_File",*filemenu));
 261         menubar1->items().push_back(Gtk::Menu_Helpers::MenuElem("_Help",*helpmenu));
 262
 263
 264         menubar1->show();
 265
 266         Gtk::Image *icon;
 267
 268         ADD_TOOLBOX_BUTTON(button_new,"gtk-new","New");
 269         ADD_TOOLBOX_BUTTON(button_open,"gtk-open","Open");
 270         ADD_TOOLBOX_BUTTON(button_save,"gtk-save","Save");
 271         ADD_TOOLBOX_BUTTON(button_saveas,"gtk-save-as","SaveAs");
 272         ADD_TOOLBOX_BUTTON(button_save_all,"synfig-saveall","Save All");
 273         TOOLBOX_BUTTON(button_undo,"gtk-undo","Undo");
 274         TOOLBOX_BUTTON(button_redo,"gtk-redo","Redo");
 275         ADD_TOOLBOX_BUTTON(button_about,"synfig-about","About Synfig Studio");
 276         ADD_TOOLBOX_BUTTON(button_color,"synfig-color","Color Dialog");
 277
 278         TOOLBOX_BUTTON(button_rotoscope_bline,"synfig-rotoscope_bline",_("Old Rotoscope BLine"));
 279         TOOLBOX_BUTTON(button_rotoscope_polygon,"synfig-rotoscope_polygon",_("Rotoscope Polygon"));
 280         TOOLBOX_BUTTON(button_eyedrop,"synfig-eyedrop",_("Eyedrop Tool"));
 281         TOOLBOX_BUTTON(button_rotoscope,"synfig-rotoscope_bline",_("Rotoscope 2"));
 282
 283
 284
 285         button_about->signal_clicked().connect(sigc::ptr_fun(studio::App::dialog_about));
 286         button_new->signal_clicked().connect(sigc::ptr_fun(studio::App::new_instance));
 287         button_open->signal_clicked().connect(sigc::ptr_fun(studio::App::dialog_open));
 288         button_save->signal_clicked().connect(sigc::ptr_fun(save_selected_instance));
 289         button_saveas->signal_clicked().connect(sigc::ptr_fun(save_as_selected_instance));
 290         button_save_all->signal_clicked().connect(sigc::ptr_fun(studio::App::dialog_not_implemented));
 291         button_undo->signal_clicked().connect(sigc::ptr_fun(studio::App::undo));
 292         button_redo->signal_clicked().connect(sigc::ptr_fun(studio::App::redo));
 293         button_color->signal_clicked().connect(sigc::ptr_fun(show_dialog_color));
 294
 295         // Create the file button cluster
 296         Gtk::Table *file_buttons=manage(new class Gtk::Table(4, 4, false));
 297         file_buttons->attach(*button_new,0,1,0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 298         file_buttons->attach(*button_open,1,2,0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 299         file_buttons->attach(*button_save,2,3,0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 300         file_buttons->attach(*button_saveas,3,4,0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 301         file_buttons->attach(*button_save_all,0,1,1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 302         file_buttons->attach(*button_undo,1,2,1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 303         file_buttons->attach(*button_redo,2,3,1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 304         file_buttons->attach(*button_about,3,4,1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 305         //file_buttons->attach(*button_color,0,1,2,3, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 306         file_buttons->show();
 307
 308         tool_table=manage(new class Gtk::Table(4, 4, false));
 309         tool_table->show();
 310         Gtk::HandleBox* handle_tools(manage(new Gtk::HandleBox()));
 311         handle_tools->add(*tool_table);
 312         handle_tools->show();
 313         handle_tools->set_handle_position(Gtk::POS_TOP);
 314         handle_tools->set_snap_edge(Gtk::POS_TOP);
 315
 316         Widget_Defaults* widget_defaults(manage(new Widget_Defaults()));
 317         widget_defaults->show();
 318         Gtk::HandleBox* handle_defaults(manage(new Gtk::HandleBox()));
 319         handle_defaults->add(*widget_defaults);
 320         handle_defaults->show();
 321         handle_defaults->set_handle_position(Gtk::POS_TOP);
 322         handle_defaults->set_snap_edge(Gtk::POS_TOP);
 323
 324         // Create the toplevel table
 325         Gtk::Table *table1 = manage(new class Gtk::Table(1, 2, false));
 326         table1->set_row_spacings(0);
 327         table1->set_col_spacings(0);
 328         table1->attach(*menubar1, 0, 1, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::SHRINK, 0, 0);
 329         table1->attach(*file_buttons, 0, 1, 1, 2, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 330         //table1->attach(*manage(new Gtk::Label(_("Tools"))), 0, 1, 2, 3, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 331         table1->attach(*handle_tools, 0, 1, 3, 4, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 332         table1->attach(*handle_defaults, 0, 1, 4, 5, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 333         table1->show_all();
 334
 335
 336
 337         // Set the parameters for this window
 338         add(*table1);
 339         set_title("Synfig Studio");
 340         set_modal(false);
 341         property_window_position().set_value(Gtk::WIN_POS_NONE);
 342         signal_delete_event().connect(sigc::ptr_fun(App::shutdown_request));
 343         set_resizable(false);
 344
 345
 346
 347         App::signal_instance_selected().connect(
 348                 sigc::hide(
 349                         sigc::mem_fun(*this,&studio::Toolbox::update_undo_redo)
 350                 )
 351         );
 352
 353         App::signal_recent_files_changed().connect(
 354                         sigc::mem_fun(*this,&studio::Toolbox::on_recent_files_changed)
 355         );
 356
 357         button_undo->set_sensitive(false);
 358         button_redo->set_sensitive(false);
 359         button_rotoscope_bline->set_sensitive(false);
 360         button_rotoscope->set_sensitive(false);
 361         button_rotoscope_polygon->set_sensitive(false);
 362         button_eyedrop->set_sensitive(false);
 363
 364
 365         std::list<Gtk::TargetEntry> listTargets;
 366         listTargets.push_back( Gtk::TargetEntry("text/plain") );
 367         listTargets.push_back( Gtk::TargetEntry("image") );
 368 //      listTargets.push_back( Gtk::TargetEntry("image/x-sif") );
 369
 370         drag_dest_set(listTargets);
 371         signal_drag_data_received().connect( sigc::mem_fun(*this, &studio::Toolbox::on_drop_drag_data_received) );
 372
 373         App::dock_manager->signal_dockable_registered().connect(sigc::mem_fun(*this,&Toolbox::dockable_registered));
 374
 375         changing_state_=false;
 376
 377
 378         add_accel_group(App::ui_manager()->get_accel_group());
 379
 380         App::signal_present_all().connect(sigc::mem_fun0(*this,&Toolbox::present));
 381 }
 382
 383 Toolbox::~Toolbox()
 384 {
 385         hide();
 386         //studio::App::cb.task("Toolbox: I was nailed!");
 387         //studio::App::quit();
 388
 389         if(studio::App::toolbox==this)
 390                 studio::App::toolbox=NULL;
 391
 392 }
 393
 394 void
 395 Toolbox::set_active_state(const String& statename)
 396 {
 397         std::map<synfig::String,Gtk::ToggleButton *>::iterator iter;
 398
 399         changing_state_=true;
 400
 401         synfigapp::Main::set_state(statename);
 402
 403         try
 404         {
 405
 406                 for(iter=state_button_map.begin();iter!=state_button_map.end();++iter)
 407                 {
 408                         if(iter->first==statename)
 409                         {
 410                                 if(!iter->second->get_active())
 411                                         iter->second->set_active(true);
 412                         }
 413                         else
 414                         {
 415                                 if(iter->second->get_active())
 416                                         iter->second->set_active(false);
 417                         }
 418                 }
 419         }
 420         catch(...)
 421         {
 422                 changing_state_=false;
 423                 throw;
 424         }
 425         changing_state_=false;
 426 }
 427
 428 void
 429 Toolbox::change_state(const synfig::String& statename)
 430 {
 431         etl::handle<studio::CanvasView> canvas_view(studio::App::get_selected_canvas_view());
 432         if(canvas_view)
 433         {
 434                 if(statename==canvas_view->get_smach().get_state_name())
 435                 {
 436                         return;
 437                 }
 438
 439                 if(state_button_map.count(statename))
 440                 {
 441                         state_button_map[statename]->clicked();
 442                 }
 443                 else
 444                 {
 445                         synfig::error("Unknown state \"%s\"",statename.c_str());
 446                 }
 447         }
 448 }
 449
 450 void
 451 Toolbox::change_state_(const Smach::state_base *state)
 452 {
 453         if(changing_state_)
 454                 return;
 455         changing_state_=true;
 456
 457         try
 458         {
 459                 etl::handle<studio::CanvasView> canvas_view(studio::App::get_selected_canvas_view());
 460                 if(canvas_view)
 461                 {
 462                         if(state->get_name()==String("normal"))
 463                         {
 464                                 canvas_view->get_smach().egress();
 465                         }
 466                         else
 467                         {
 468                                 canvas_view->get_smach().enter(state);
 469                         }
 470                 }
 471                 else
 472                         refresh();
 473         }
 474         catch(...)
 475         {
 476                 changing_state_=false;
 477                 throw;
 478         }
 479
 480         changing_state_=false;
 481 }
 482
 483 void
 484 Toolbox::add_state(const Smach::state_base *state)
 485 {
 486         Gtk::Image *icon;
 487
 488         assert(state);
 489
 490         String name=state->get_name();
 491
 492         Gtk::ToggleButton* button;
 493         button=manage(new class Gtk::ToggleButton());
 494
 495         icon=manage(new Gtk::Image(Gtk::StockID("synfig-"+name),Gtk::IconSize(4)));
 496         button->add(*icon);
 497         tooltips.set_tip(*button,name);
 498         icon->show();
 499         button->show();
 500
 501
 502
 503
 504         int row=state_button_map.size()/4;
 505         int col=state_button_map.size()%4;
 506
 507         tool_table->attach(*button,col,col+1,row,row+1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 508
 509         state_button_map[name]=button;
 510
 511         button->signal_clicked().connect(
 512                 sigc::bind(
 513                         sigc::mem_fun(*this,&studio::Toolbox::change_state_),
 514                         state
 515                 )
 516         );
 517
 518
 519         refresh();
 520 }
 521
 522
 523 void
 524 Toolbox::update_undo_redo()
 525 {
 526         etl::handle<Instance> instance=App::get_selected_instance();
 527         if(instance)
 528         {
 529                 button_undo->set_sensitive(instance->get_undo_status());
 530                 button_redo->set_sensitive(instance->get_redo_status());
 531         }
 532
 533         // This should probably go elsewhere, but it should
 534         // work fine here with no troubles.
 535         // These next several lines just adjust the rotoscope buttons
 536         // so that they are only clickable when they should be.
 537         if(instance && App::get_selected_canvas_view())
 538         {
 539                 std::map<synfig::String,Gtk::ToggleButton *>::iterator iter;
 540
 541                 for(iter=state_button_map.begin();iter!=state_button_map.end();++iter)
 542                         iter->second->set_sensitive(true);
 543         }
 544         else
 545         {
 546                 std::map<synfig::String,Gtk::ToggleButton *>::iterator iter;
 547
 548                 for(iter=state_button_map.begin();iter!=state_button_map.end();++iter)
 549                         iter->second->set_sensitive(false);
 550         }
 551
 552         etl::handle<CanvasView> canvas_view=App::get_selected_canvas_view();
 553         if(canvas_view && canvas_view->get_smach().get_state_name())
 554         {
 555                 set_active_state(canvas_view->get_smach().get_state_name());
 556         }
 557         else
 558                 set_active_state("none");
 559
 560 }
 561
 562 void
 563 Toolbox::on_recent_files_changed()
 564 {
 565         while(recent_files_menu->get_children().size())
 566                 recent_files_menu->remove(**recent_files_menu->get_children().begin());
 567
 568         list<string>::const_iterator iter;
 569         // Check to see if the file is already on the list.
 570         // If it is, then remove it from the list
 571         for(iter=App::get_recent_files().begin();iter!=App::get_recent_files().end();iter++)
 572                 recent_files_menu->items().push_back(Gtk::Menu_Helpers::MenuElem(basename(*iter),
 573                         sigc::hide_return(sigc::bind(sigc::ptr_fun(&App::open),*iter))
 574                 ));
 575
 576         // HACK
 577         show();
 578 }
 579
 580 void
 581 Toolbox::on_drop_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, const Gtk::SelectionData& selection_data_, guint info, guint time)
 582 {
 583         // We will make this true once we have a solid drop
 584         bool success(false);
 585
 586         if ((selection_data_.get_length() >= 0) && (selection_data_.get_format() == 8))
 587         {
 588                 synfig::String selection_data((gchar *)(selection_data_.get_data()));
 589
 590                 // For some reason, GTK hands us a list of URL's seperated
 591                 // by not only Carrage-Returns, but also Line-Feeds.
 592                 // Line-Feeds will mess us up. Remove all the line-feeds.
 593                 while(selection_data.find_first_of('\r')!=synfig::String::npos)
 594                         selection_data.erase(selection_data.begin()+selection_data.find_first_of('\r'));
 595
 596                 std::stringstream stream(selection_data);
 597
 598                 while(stream)
 599                 {
 600                         synfig::String filename,URI;
 601                         getline(stream,filename);
 602
 603                         // If we don't have a filename, move on.
 604                         if(filename.empty())
 605                                 continue;
 606
 607                         // Make sure this URL is of the "file://" type.
 608                         URI=String(filename.begin(),filename.begin()+sizeof("file://")-1);
 609                         if(URI!="file://")
 610                         {
 611                                 synfig::warning("Unknown URI (%s) in \"%s\"",URI.c_str(),filename.c_str());
 612                                 continue;
 613                         }
 614
 615                         // Strip the "file://" part from the filename
 616                         filename=synfig::String(filename.begin()+sizeof("file://")-1,filename.end());
 617
 618                         synfig::info("Attempting to open "+filename);
 619                         if(App::open(filename))
 620                                 success=true;
 621                         else
 622                                 synfig::error("Drop failed: Unable to open "+filename);
 623                 }
 624         }
 625         else
 626                 synfig::error("Drop failed: bad selection data");
 627
 628         // Finish the drag
 629         context->drag_finish(success, false, time);
 630 }
 631
 632 void
 633 Toolbox::dockable_registered(Dockable* x)
 634 {
 635         dock_dialogs->items().push_back(
 636                 Gtk::Menu_Helpers::MenuElem(
 637                         x->get_local_name(),
 638                         sigc::mem_fun(
 639                                 *x,
 640                                 &Dockable::present
 641                         )
 642                 )
 643         );
 644 }