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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file toolbox.cpp
   3 **      \brief writeme
   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 ** === N O T E S ===========================================================
  22 **
  23 ** ========================================================================= */
  24
  25 /* === H E A D E R S ======================================================= */
  26
  27 #ifdef USING_PCH
  28 #       include "pch.h"
  29 #else
  30 #ifdef HAVE_CONFIG_H
  31 #       include <config.h>
  32 #endif
  33
  34 #include <gtk/gtk.h>
  35 #include <gtkmm/uimanager.h>
  36
  37 #include <gtkmm/ruler.h>
  38 #include <gtkmm/arrow.h>
  39 #include <gtkmm/image.h>
  40 #include <gdkmm/pixbufloader.h>
  41 #include <gtkmm/viewport.h>
  42 #include <gtkmm/adjustment.h>
  43 #include <gtkmm/scrolledwindow.h>
  44 #include <gtkmm/table.h>
  45 #include <gtkmm/statusbar.h>
  46 #include <gtkmm/menubar.h>
  47 #include <gtkmm/menu.h>
  48 #include <gtkmm/button.h>
  49 #include <gtkmm/toolbar.h>
  50 #include <gtkmm/box.h>
  51 #include <gtkmm/image.h>
  52 #include <gtkmm/stock.h>
  53 #include <gtkmm/handlebox.h>
  54
  55 #include <gtkmm/inputdialog.h>
  56
  57 #include <sigc++/signal.h>
  58 #include <sigc++/hide.h>
  59 #include <sigc++/slot.h>
  60 #include <sigc++/retype_return.h>
  61 #include <sigc++/retype.h>
  62
  63 #include <sstream>
  64
  65 #include "toolbox.h"
  66 #include "instance.h"
  67 #include "app.h"
  68 #include "canvasview.h"
  69 #include "dialog_gradient.h"
  70 #include "dialog_color.h"
  71 #include "dialog_tooloptions.h"
  72 #include "dialog_preview.h"
  73 #include "dockable.h"
  74 #include "dockmanager.h"
  75 #include "dockdialog.h"
  76
  77 #include "widget_defaults.h"
  78
  79 #include <synfigapp/main.h>
  80
  81 #endif
  82
  83 using namespace std;
  84 using namespace etl;
  85 using namespace synfig;
  86 using namespace studio;
  87 using namespace SigC;
  88
  89 /* === M A C R O S ========================================================= */
  90
  91 #define GRAB_HINT_DATA(y,default)       { \
  92                 String x; \
  93                 if(synfigapp::Main::settings().get_value(String("pref.")+y+"_hints",x)) \
  94                 { \
  95                         set_type_hint((Gdk::WindowTypeHint)atoi(x.c_str()));    \
  96                 } else {\
  97                         set_type_hint(default); \
  98                 } \
  99         }
 100
 101 /* === G L O B A L S ======================================================= */
 102
 103 /* === P R O C E D U R E S ================================================= */
 104
 105 /* === M E T H O D S ======================================================= */
 106
 107 #define TOGGLE_TOOLBOX_BUTTON(button,stockid,tooltip)   \
 108         button = manage(new class Gtk::ToggleButton()); \
 109         icon=manage(new Gtk::Image(Gtk::StockID(stockid),Gtk::IconSize(4)));    \
 110         button->add(*icon);     \
 111         tooltips.set_tip(*button,tooltip);      \
 112         icon->show();   \
 113         button->show()
 114
 115 #define TOOLBOX_BUTTON(button,stockid,tooltip)  \
 116         button = manage(new class Gtk::Button());       \
 117         icon=manage(new Gtk::Image(Gtk::StockID(stockid),Gtk::IconSize(4)));    \
 118         button->add(*icon);     \
 119         tooltips.set_tip(*button,tooltip);      \
 120         icon->show();   \
 121         button->show()
 122
 123 #define ADD_TOOLBOX_BUTTON(button,stockid,tooltip)      Gtk::Button *TOOLBOX_BUTTON(button,stockid,tooltip)
 124
 125 void
 126 save_selected_instance()
 127 {
 128         if(!studio::App::get_selected_instance())
 129         {
 130                 App::dialog_error_blocking("Cannot save","Nothing to save");
 131                 return;
 132         }
 133
 134         studio::App::get_selected_instance()->save();
 135 }
 136
 137 void
 138 save_as_selected_instance()
 139 {
 140         if(!studio::App::get_selected_instance())
 141         {
 142                 App::dialog_error_blocking("Cannot save as","Nothing to save");
 143                 return;
 144         }
 145
 146         studio::App::get_selected_instance()->dialog_save_as();
 147 }
 148
 149 void
 150 save_all()
 151 {
 152         std::list<etl::handle<Instance> >::iterator iter;
 153         for(iter=App::instance_list.begin();iter!=App::instance_list.end();iter++)
 154                 (*iter)->save();
 155 }
 156
 157 void
 158 close_selected_instance()
 159 {
 160         etl::handle<studio::Instance> instance=studio::App::get_selected_instance();
 161
 162         if(!instance)
 163         {
 164                 App::dialog_error_blocking("Cannot close","Nothing to close");
 165                 return;
 166         }
 167
 168         instance->safe_close();
 169
 170         //assert(instance.unique());
 171 }
 172
 173
 174 static void
 175 show_dialog_input()
 176 {
 177         App::dialog_input->present();
 178 }
 179
 180 void _create_stock_dialog1()
 181 {
 182         DockDialog* dock_dialog(new DockDialog);
 183         dock_dialog->set_contents("canvases history");
 184         dock_dialog->set_composition_selector(true);
 185         dock_dialog->present();
 186 }
 187 void _create_stock_dialog2()
 188 {
 189         DockDialog* dock_dialog(new DockDialog);
 190         dock_dialog->set_contents("layers children keyframes | params");
 191         dock_dialog->present();
 192 }
 193
 194 Toolbox::Toolbox():
 195         Gtk::Window(Gtk::WINDOW_TOPLEVEL),
 196         dialog_settings(this,"toolbox")
 197 {
 198         GRAB_HINT_DATA(
 199                 "toolbox",
 200 //#ifdef __APPLE__
 201                 Gdk::WINDOW_TYPE_HINT_NORMAL
 202 //#else
 203 //              Gdk::WINDOW_TYPE_HINT_UTILITY
 204 //#endif
 205         );
 206         set_keep_above(false);
 207         set_role("toolbox");
 208
 209
 210
 211         recent_files_menu= manage(new class Gtk::Menu());
 212
 213         Gtk::Menu       *filemenu       =manage(new class Gtk::Menu());
 214
 215         dock_dialogs=manage(new class Gtk::Menu());
 216
 217         dock_dialogs->items().push_back(Gtk::Menu_Helpers::MenuElem("Canvases, History",sigc::ptr_fun(_create_stock_dialog1)));
 218         dock_dialogs->items().push_back(Gtk::Menu_Helpers::MenuElem("Layers, Children, Params",sigc::ptr_fun(_create_stock_dialog2)));
 219         dock_dialogs->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 220         dock_dialogs->items().push_back(Gtk::Menu_Helpers::MenuElem("Reset Windows to Original Layout",sigc::ptr_fun(App::reset_initial_window_configuration)));
 221         dock_dialogs->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 222
 223
 224         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::NEW,
 225                 sigc::ptr_fun(&studio::App::new_instance)));
 226         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::OPEN,
 227                 sigc::ptr_fun(&studio::App::dialog_open)));
 228
 229         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Open Recent"),*recent_files_menu));
 230
 231         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-saveall"),
 232                 sigc::ptr_fun(&studio::App::dialog_not_implemented)));
 233         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::CLOSE,
 234                 sigc::ptr_fun(close_selected_instance)));
 235         filemenu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 236         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Dialogs"),*dock_dialogs));
 237
 238         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Canvas Browser..."),
 239         //      sigc::mem_fun(studio::App::show_comp_view)));
 240         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Gradient Editor..."),
 241         //      sigc::mem_fun(show_dialog_gradient)));
 242         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Tool Options"),
 243         //      sigc::mem_fun(show_dialog_tool_options)));
 244         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Colors..."),
 245         //      sigc::mem_fun(show_dialog_color)));
 246         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Color Palette..."),
 247         //      sigc::mem_fun(show_dialog_palette)));
 248         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Input Devices..."),
 249                 sigc::ptr_fun(&show_dialog_input)));
 250         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Setup..."),
 251                 sigc::ptr_fun(&studio::App::show_setup)));
 252
 253         filemenu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 254         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID(Gtk::Stock::QUIT),
 255                 sigc::ptr_fun(studio::App::quit)));
 256
 257         Gtk::Menu       *helpmenu = manage(new class Gtk::Menu());
 258         helpmenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::HELP,
 259                 sigc::ptr_fun(studio::App::dialog_not_implemented)));
 260         helpmenu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 261         helpmenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-about"),
 262                 sigc::ptr_fun(studio::App::dialog_about)));
 263
 264         Gtk::MenuBar *menubar1 = manage(new class Gtk::MenuBar());
 265         menubar1->items().push_back(Gtk::Menu_Helpers::MenuElem("_File",*filemenu));
 266         menubar1->items().push_back(Gtk::Menu_Helpers::MenuElem("_Help",*helpmenu));
 267
 268
 269         menubar1->show();
 270
 271         Gtk::Image *icon;
 272
 273         ADD_TOOLBOX_BUTTON(button_new,"gtk-new","New...");
 274         ADD_TOOLBOX_BUTTON(button_open,"gtk-open","Open...");
 275         ADD_TOOLBOX_BUTTON(button_save,"gtk-save","Save");
 276         ADD_TOOLBOX_BUTTON(button_saveas,"gtk-save-as","Save as...");
 277         ADD_TOOLBOX_BUTTON(button_save_all,"synfig-saveall","Save All");
 278         TOOLBOX_BUTTON(button_undo,"gtk-undo","Undo");
 279         TOOLBOX_BUTTON(button_redo,"gtk-redo","Redo");
 280         ADD_TOOLBOX_BUTTON(button_about,"synfig-about","About Synfig Studio");
 281
 282         button_about->signal_clicked().connect(sigc::ptr_fun(studio::App::dialog_about));
 283         button_new->signal_clicked().connect(sigc::ptr_fun(studio::App::new_instance));
 284         button_open->signal_clicked().connect(sigc::ptr_fun(studio::App::dialog_open));
 285         button_save->signal_clicked().connect(sigc::ptr_fun(save_selected_instance));
 286         button_saveas->signal_clicked().connect(sigc::ptr_fun(save_as_selected_instance));
 287         button_save_all->signal_clicked().connect(sigc::ptr_fun(save_all));
 288         button_undo->signal_clicked().connect(sigc::ptr_fun(studio::App::undo));
 289         button_redo->signal_clicked().connect(sigc::ptr_fun(studio::App::redo));
 290
 291         // Create the file button cluster
 292         Gtk::Table *file_buttons=manage(new class Gtk::Table(4, 4, false));
 293
 294         file_buttons->attach(*button_new,      0,1, 0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 295         file_buttons->attach(*button_open,     1,2, 0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 296         file_buttons->attach(*button_save,     2,3, 0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 297         file_buttons->attach(*button_saveas,   3,4, 0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 298
 299         file_buttons->attach(*button_save_all, 0,1, 1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 300         file_buttons->attach(*button_undo,     1,2, 1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 301         file_buttons->attach(*button_redo,     2,3, 1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 302         file_buttons->attach(*button_about,    3,4, 1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 303
 304         file_buttons->show();
 305
 306         tool_table=manage(new class Gtk::Table(4, 4, false));
 307         tool_table->show();
 308         Gtk::HandleBox* handle_tools(manage(new Gtk::HandleBox()));
 309         handle_tools->add(*tool_table);
 310         handle_tools->show();
 311         handle_tools->set_handle_position(Gtk::POS_TOP);
 312         handle_tools->set_snap_edge(Gtk::POS_TOP);
 313
 314         Widget_Defaults* widget_defaults(manage(new Widget_Defaults()));
 315         widget_defaults->show();
 316         Gtk::HandleBox* handle_defaults(manage(new Gtk::HandleBox()));
 317         handle_defaults->add(*widget_defaults);
 318         handle_defaults->show();
 319         handle_defaults->set_handle_position(Gtk::POS_TOP);
 320         handle_defaults->set_snap_edge(Gtk::POS_TOP);
 321
 322         // Create the toplevel table
 323         Gtk::Table *table1 = manage(new class Gtk::Table(1, 2, false));
 324         table1->set_row_spacings(0);
 325         table1->set_col_spacings(0);
 326         table1->attach(*menubar1,        0,1, 0,1, Gtk::FILL|Gtk::EXPAND, Gtk::SHRINK, 0, 0);
 327         table1->attach(*file_buttons,    0,1, 1,2, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 328         //table1->attach(*manage(new Gtk::Label(_("Tools"))), 0, 1, 2, 3, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 329         table1->attach(*handle_tools,    0,1, 3,4, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 330         table1->attach(*handle_defaults, 0,1, 4,5, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 331         table1->show_all();
 332
 333
 334
 335         // Set the parameters for this window
 336         add(*table1);
 337         set_title("Synfig Studio");
 338         set_modal(false);
 339         property_window_position().set_value(Gtk::WIN_POS_NONE);
 340         signal_delete_event().connect(sigc::ptr_fun(App::shutdown_request));
 341         set_resizable(false);
 342
 343
 344
 345         App::signal_instance_selected().connect(
 346                 sigc::hide(
 347                         sigc::mem_fun(*this,&studio::Toolbox::update_undo_redo)
 348                 )
 349         );
 350
 351         App::signal_recent_files_changed().connect(
 352                         sigc::mem_fun(*this,&studio::Toolbox::on_recent_files_changed)
 353         );
 354
 355         button_undo->set_sensitive(false);
 356         button_redo->set_sensitive(false);
 357
 358         std::list<Gtk::TargetEntry> listTargets;
 359         listTargets.push_back( Gtk::TargetEntry("text/plain") );
 360         listTargets.push_back( Gtk::TargetEntry("image") );
 361 //      listTargets.push_back( Gtk::TargetEntry("image/x-sif") );
 362
 363         drag_dest_set(listTargets);
 364         signal_drag_data_received().connect( sigc::mem_fun(*this, &studio::Toolbox::on_drop_drag_data_received) );
 365
 366         App::dock_manager->signal_dockable_registered().connect(sigc::mem_fun(*this,&Toolbox::dockable_registered));
 367
 368         changing_state_=false;
 369
 370
 371         add_accel_group(App::ui_manager()->get_accel_group());
 372
 373         App::signal_present_all().connect(sigc::mem_fun0(*this,&Toolbox::present));
 374 }
 375
 376 Toolbox::~Toolbox()
 377 {
 378         hide();
 379         //studio::App::cb.task("Toolbox: I was nailed!");
 380         //studio::App::quit();
 381
 382         if(studio::App::toolbox==this)
 383                 studio::App::toolbox=NULL;
 384
 385 }
 386
 387 void
 388 Toolbox::set_active_state(const String& statename)
 389 {
 390         std::map<synfig::String,Gtk::ToggleButton *>::iterator iter;
 391
 392         changing_state_=true;
 393
 394         synfigapp::Main::set_state(statename);
 395
 396         try
 397         {
 398
 399                 for(iter=state_button_map.begin();iter!=state_button_map.end();++iter)
 400                 {
 401                         if(iter->first==statename)
 402                         {
 403                                 if(!iter->second->get_active())
 404                                         iter->second->set_active(true);
 405                         }
 406                         else
 407                         {
 408                                 if(iter->second->get_active())
 409                                         iter->second->set_active(false);
 410                         }
 411                 }
 412         }
 413         catch(...)
 414         {
 415                 changing_state_=false;
 416                 throw;
 417         }
 418         changing_state_=false;
 419 }
 420
 421 void
 422 Toolbox::change_state(const synfig::String& statename)
 423 {
 424         etl::handle<studio::CanvasView> canvas_view(studio::App::get_selected_canvas_view());
 425         if(canvas_view)
 426         {
 427                 if(statename==canvas_view->get_smach().get_state_name())
 428                 {
 429                         return;
 430                 }
 431
 432                 if(state_button_map.count(statename))
 433                 {
 434                         state_button_map[statename]->clicked();
 435                 }
 436                 else
 437                 {
 438                         synfig::error("Unknown state \"%s\"",statename.c_str());
 439                 }
 440         }
 441 }
 442
 443 void
 444 Toolbox::change_state_(const Smach::state_base *state)
 445 {
 446         if(changing_state_)
 447                 return;
 448         changing_state_=true;
 449
 450         try
 451         {
 452                 etl::handle<studio::CanvasView> canvas_view(studio::App::get_selected_canvas_view());
 453                 if(canvas_view)
 454                 {
 455                         if(state->get_name()==String("normal"))
 456                         {
 457                                 canvas_view->get_smach().egress();
 458                         }
 459                         else
 460                         {
 461                                 canvas_view->get_smach().enter(state);
 462                         }
 463                 }
 464                 else
 465                         refresh();
 466         }
 467         catch(...)
 468         {
 469                 changing_state_=false;
 470                 throw;
 471         }
 472
 473         changing_state_=false;
 474 }
 475
 476 void
 477 Toolbox::add_state(const Smach::state_base *state)
 478 {
 479         Gtk::Image *icon;
 480
 481         assert(state);
 482
 483         String name=state->get_name();
 484
 485         Gtk::StockItem stock_item;
 486         Gtk::Stock::lookup(Gtk::StockID("synfig-"+name),stock_item);
 487
 488         Gtk::ToggleButton* button;
 489         button=manage(new class Gtk::ToggleButton());
 490
 491         icon=manage(new Gtk::Image(stock_item.get_stock_id(),Gtk::IconSize(4)));
 492         button->add(*icon);
 493         tooltips.set_tip(*button,stock_item.get_label());
 494         icon->show();
 495         button->show();
 496
 497         int row=state_button_map.size()/4;
 498         int col=state_button_map.size()%4;
 499
 500         tool_table->attach(*button,col,col+1,row,row+1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 501
 502         state_button_map[name]=button;
 503
 504         button->signal_clicked().connect(
 505                 sigc::bind(
 506                         sigc::mem_fun(*this,&studio::Toolbox::change_state_),
 507                         state
 508                 )
 509         );
 510
 511         refresh();
 512 }
 513
 514
 515 void
 516 Toolbox::update_undo_redo()
 517 {
 518         etl::handle<Instance> instance=App::get_selected_instance();
 519         if(instance)
 520         {
 521                 button_undo->set_sensitive(instance->get_undo_status());
 522                 button_redo->set_sensitive(instance->get_redo_status());
 523         }
 524
 525         // This should probably go elsewhere, but it should
 526         // work fine here with no troubles.
 527         // These next several lines just adjust the tool buttons
 528         // so that they are only clickable when they should be.
 529         if(instance && App::get_selected_canvas_view())
 530         {
 531                 std::map<synfig::String,Gtk::ToggleButton *>::iterator iter;
 532
 533                 for(iter=state_button_map.begin();iter!=state_button_map.end();++iter)
 534                         iter->second->set_sensitive(true);
 535         }
 536         else
 537         {
 538                 std::map<synfig::String,Gtk::ToggleButton *>::iterator iter;
 539
 540                 for(iter=state_button_map.begin();iter!=state_button_map.end();++iter)
 541                         iter->second->set_sensitive(false);
 542         }
 543
 544         etl::handle<CanvasView> canvas_view=App::get_selected_canvas_view();
 545         if(canvas_view && canvas_view->get_smach().get_state_name())
 546         {
 547                 set_active_state(canvas_view->get_smach().get_state_name());
 548         }
 549         else
 550                 set_active_state("none");
 551
 552 }
 553
 554 void
 555 Toolbox::on_recent_files_changed()
 556 {
 557         while(recent_files_menu->get_children().size())
 558                 recent_files_menu->remove(**recent_files_menu->get_children().begin());
 559
 560         list<string>::const_iterator iter;
 561         for(iter=App::get_recent_files().begin();iter!=App::get_recent_files().end();iter++)
 562         {
 563                 string raw = basename(*iter), quoted;
 564                 size_t pos = 0, last_pos = 0;
 565
 566                 // replace _ in filenames by __ or it won't show up in the menu
 567                 for (pos = last_pos = 0; (pos = raw.find('_', pos)) != string::npos; last_pos = pos)
 568                         quoted += raw.substr(last_pos, ++pos - last_pos) + '_';
 569                 quoted += raw.substr(last_pos);
 570
 571                 recent_files_menu->items().push_back(Gtk::Menu_Helpers::MenuElem(quoted,
 572                         sigc::hide_return(sigc::bind(sigc::ptr_fun(&App::open),*iter))
 573                 ));
 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 }