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         if(!studio::App::get_selected_instance()->save())
 135                 App::dialog_error_blocking("Save - Error","Unable to save file");
 136 }
 137
 138 void
 139 save_as_selected_instance()
 140 {
 141         if(!studio::App::get_selected_instance())
 142         {
 143                 App::dialog_error_blocking("Cannot save as","Nothing to save");
 144                 return;
 145         }
 146
 147         studio::App::get_selected_instance()->dialog_save_as();
 148 }
 149
 150 void
 151 close_selected_instance()
 152 {
 153         etl::handle<studio::Instance> instance=studio::App::get_selected_instance();
 154
 155         if(!instance)
 156         {
 157                 App::dialog_error_blocking("Cannot close","Nothing to close");
 158                 return;
 159         }
 160
 161         instance->safe_close();
 162
 163         //assert(instance.unique());
 164 }
 165
 166
 167 static void
 168 show_dialog_input()
 169 {
 170         App::dialog_input->present();
 171 }
 172
 173 void _create_stock_dialog1()
 174 {
 175         DockDialog* dock_dialog(new DockDialog);
 176         dock_dialog->set_contents("canvases history");
 177         dock_dialog->set_composition_selector(true);
 178         dock_dialog->present();
 179 }
 180 void _create_stock_dialog2()
 181 {
 182         DockDialog* dock_dialog(new DockDialog);
 183         dock_dialog->set_contents("layers children keyframes | params");
 184         dock_dialog->present();
 185 }
 186
 187 static void
 188 show_dialog_color()
 189 {
 190         App::dialog_color->present();
 191 }
 192
 193 Toolbox::Toolbox():
 194         Gtk::Window(Gtk::WINDOW_TOPLEVEL),
 195         dialog_settings(this,"toolbox")
 196 {
 197         GRAB_HINT_DATA(
 198                 "toolbox",
 199 //#ifdef __APPLE__
 200                 Gdk::WINDOW_TYPE_HINT_NORMAL
 201 //#else
 202 //              Gdk::WINDOW_TYPE_HINT_UTILITY
 203 //#endif
 204         );
 205         set_keep_above(false);
 206         set_role("toolbox");
 207
 208
 209
 210         recent_files_menu= manage(new class Gtk::Menu());
 211
 212         Gtk::Menu       *filemenu       =manage(new class Gtk::Menu());
 213
 214         dock_dialogs=manage(new class Gtk::Menu());
 215
 216         dock_dialogs->items().push_back(Gtk::Menu_Helpers::MenuElem("Canvases, History",sigc::ptr_fun(_create_stock_dialog1)));
 217         dock_dialogs->items().push_back(Gtk::Menu_Helpers::MenuElem("Layers, Children, Params",sigc::ptr_fun(_create_stock_dialog2)));
 218         dock_dialogs->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 219
 220
 221         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::NEW,
 222                 sigc::ptr_fun(&studio::App::new_instance)));
 223         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::OPEN,
 224                 sigc::ptr_fun(&studio::App::dialog_open)));
 225
 226         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Open Recent"),*recent_files_menu));
 227
 228         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-saveall"),
 229                 sigc::ptr_fun(&studio::App::dialog_not_implemented)));
 230         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::CLOSE,
 231                 sigc::ptr_fun(close_selected_instance)));
 232         filemenu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 233         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Dialogs"),*dock_dialogs));
 234
 235         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Canvas Browser..."),
 236         //      sigc::mem_fun(studio::App::show_comp_view)));
 237         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Gradient Editor..."),
 238         //      sigc::mem_fun(show_dialog_gradient)));
 239         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Tool Options"),
 240         //      sigc::mem_fun(show_dialog_tool_options)));
 241         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Colors..."),
 242         //      sigc::mem_fun(show_dialog_color)));
 243         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Color Palette..."),
 244         //      sigc::mem_fun(show_dialog_palette)));
 245         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Input Devices..."),
 246                 sigc::ptr_fun(&show_dialog_input)));
 247         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Setup..."),
 248                 sigc::ptr_fun(&studio::App::show_setup)));
 249
 250         filemenu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 251         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID(Gtk::Stock::QUIT),
 252                 sigc::ptr_fun(studio::App::quit)));
 253
 254         Gtk::Menu       *helpmenu = manage(new class Gtk::Menu());
 255         helpmenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::HELP,
 256                 sigc::ptr_fun(studio::App::dialog_not_implemented)));
 257         helpmenu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 258         helpmenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-about"),
 259                 sigc::ptr_fun(studio::App::dialog_about)));
 260
 261         Gtk::MenuBar *menubar1 = manage(new class Gtk::MenuBar());
 262         menubar1->items().push_back(Gtk::Menu_Helpers::MenuElem("_File",*filemenu));
 263         menubar1->items().push_back(Gtk::Menu_Helpers::MenuElem("_Help",*helpmenu));
 264
 265
 266         menubar1->show();
 267
 268         Gtk::Image *icon;
 269
 270         ADD_TOOLBOX_BUTTON(button_new,"gtk-new","New");
 271         ADD_TOOLBOX_BUTTON(button_open,"gtk-open","Open");
 272         ADD_TOOLBOX_BUTTON(button_save,"gtk-save","Save");
 273         ADD_TOOLBOX_BUTTON(button_saveas,"gtk-save-as","SaveAs");
 274         ADD_TOOLBOX_BUTTON(button_save_all,"synfig-saveall","Save All");
 275         TOOLBOX_BUTTON(button_undo,"gtk-undo","Undo");
 276         TOOLBOX_BUTTON(button_redo,"gtk-redo","Redo");
 277         ADD_TOOLBOX_BUTTON(button_about,"synfig-about","About Synfig Studio");
 278         ADD_TOOLBOX_BUTTON(button_color,"synfig-color","Color Dialog");
 279
 280         TOOLBOX_BUTTON(button_rotoscope_bline,"synfig-rotoscope_bline",_("Old Rotoscope BLine"));
 281         TOOLBOX_BUTTON(button_rotoscope_polygon,"synfig-rotoscope_polygon",_("Rotoscope Polygon"));
 282         TOOLBOX_BUTTON(button_eyedrop,"synfig-eyedrop",_("Eyedrop Tool"));
 283         TOOLBOX_BUTTON(button_rotoscope,"synfig-rotoscope_bline",_("Rotoscope 2"));
 284
 285
 286
 287         button_about->signal_clicked().connect(sigc::ptr_fun(studio::App::dialog_about));
 288         button_new->signal_clicked().connect(sigc::ptr_fun(studio::App::new_instance));
 289         button_open->signal_clicked().connect(sigc::ptr_fun(studio::App::dialog_open));
 290         button_save->signal_clicked().connect(sigc::ptr_fun(save_selected_instance));
 291         button_saveas->signal_clicked().connect(sigc::ptr_fun(save_as_selected_instance));
 292         button_save_all->signal_clicked().connect(sigc::ptr_fun(studio::App::dialog_not_implemented));
 293         button_undo->signal_clicked().connect(sigc::ptr_fun(studio::App::undo));
 294         button_redo->signal_clicked().connect(sigc::ptr_fun(studio::App::redo));
 295         button_color->signal_clicked().connect(sigc::ptr_fun(show_dialog_color));
 296
 297         // Create the file button cluster
 298         Gtk::Table *file_buttons=manage(new class Gtk::Table(4, 4, false));
 299         file_buttons->attach(*button_new,0,1,0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 300         file_buttons->attach(*button_open,1,2,0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 301         file_buttons->attach(*button_save,2,3,0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 302         file_buttons->attach(*button_saveas,3,4,0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 303         file_buttons->attach(*button_save_all,0,1,1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 304         file_buttons->attach(*button_undo,1,2,1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 305         file_buttons->attach(*button_redo,2,3,1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 306         file_buttons->attach(*button_about,3,4,1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 307         //file_buttons->attach(*button_color,0,1,2,3, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 308         file_buttons->show();
 309
 310         tool_table=manage(new class Gtk::Table(4, 4, false));
 311         tool_table->show();
 312         Gtk::HandleBox* handle_tools(manage(new Gtk::HandleBox()));
 313         handle_tools->add(*tool_table);
 314         handle_tools->show();
 315         handle_tools->set_handle_position(Gtk::POS_TOP);
 316         handle_tools->set_snap_edge(Gtk::POS_TOP);
 317
 318         Widget_Defaults* widget_defaults(manage(new Widget_Defaults()));
 319         widget_defaults->show();
 320         Gtk::HandleBox* handle_defaults(manage(new Gtk::HandleBox()));
 321         handle_defaults->add(*widget_defaults);
 322         handle_defaults->show();
 323         handle_defaults->set_handle_position(Gtk::POS_TOP);
 324         handle_defaults->set_snap_edge(Gtk::POS_TOP);
 325
 326         // Create the toplevel table
 327         Gtk::Table *table1 = manage(new class Gtk::Table(1, 2, false));
 328         table1->set_row_spacings(0);
 329         table1->set_col_spacings(0);
 330         table1->attach(*menubar1, 0, 1, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::SHRINK, 0, 0);
 331         table1->attach(*file_buttons, 0, 1, 1, 2, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 332         //table1->attach(*manage(new Gtk::Label(_("Tools"))), 0, 1, 2, 3, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 333         table1->attach(*handle_tools, 0, 1, 3, 4, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 334         table1->attach(*handle_defaults, 0, 1, 4, 5, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 335         table1->show_all();
 336
 337
 338
 339         // Set the parameters for this window
 340         add(*table1);
 341         set_title("Synfig Studio");
 342         set_modal(false);
 343         property_window_position().set_value(Gtk::WIN_POS_NONE);
 344         signal_delete_event().connect(sigc::ptr_fun(App::shutdown_request));
 345         set_resizable(false);
 346
 347
 348
 349         App::signal_instance_selected().connect(
 350                 sigc::hide(
 351                         sigc::mem_fun(*this,&studio::Toolbox::update_undo_redo)
 352                 )
 353         );
 354
 355         App::signal_recent_files_changed().connect(
 356                         sigc::mem_fun(*this,&studio::Toolbox::on_recent_files_changed)
 357         );
 358
 359         button_undo->set_sensitive(false);
 360         button_redo->set_sensitive(false);
 361         button_rotoscope_bline->set_sensitive(false);
 362         button_rotoscope->set_sensitive(false);
 363         button_rotoscope_polygon->set_sensitive(false);
 364         button_eyedrop->set_sensitive(false);
 365
 366
 367         std::list<Gtk::TargetEntry> listTargets;
 368         listTargets.push_back( Gtk::TargetEntry("text/plain") );
 369         listTargets.push_back( Gtk::TargetEntry("image") );
 370 //      listTargets.push_back( Gtk::TargetEntry("image/x-sif") );
 371
 372         drag_dest_set(listTargets);
 373         signal_drag_data_received().connect( sigc::mem_fun(*this, &studio::Toolbox::on_drop_drag_data_received) );
 374
 375         App::dock_manager->signal_dockable_registered().connect(sigc::mem_fun(*this,&Toolbox::dockable_registered));
 376
 377         changing_state_=false;
 378
 379
 380         add_accel_group(App::ui_manager()->get_accel_group());
 381
 382         App::signal_present_all().connect(sigc::mem_fun0(*this,&Toolbox::present));
 383 }
 384
 385 Toolbox::~Toolbox()
 386 {
 387         hide();
 388         //studio::App::cb.task("Toolbox: I was nailed!");
 389         //studio::App::quit();
 390
 391         if(studio::App::toolbox==this)
 392                 studio::App::toolbox=NULL;
 393
 394 }
 395
 396 void
 397 Toolbox::set_active_state(const String& statename)
 398 {
 399         std::map<synfig::String,Gtk::ToggleButton *>::iterator iter;
 400
 401         changing_state_=true;
 402
 403         synfigapp::Main::set_state(statename);
 404
 405         try
 406         {
 407
 408                 for(iter=state_button_map.begin();iter!=state_button_map.end();++iter)
 409                 {
 410                         if(iter->first==statename)
 411                         {
 412                                 if(!iter->second->get_active())
 413                                         iter->second->set_active(true);
 414                         }
 415                         else
 416                         {
 417                                 if(iter->second->get_active())
 418                                         iter->second->set_active(false);
 419                         }
 420                 }
 421         }
 422         catch(...)
 423         {
 424                 changing_state_=false;
 425                 throw;
 426         }
 427         changing_state_=false;
 428 }
 429
 430 void
 431 Toolbox::change_state(const synfig::String& statename)
 432 {
 433         etl::handle<studio::CanvasView> canvas_view(studio::App::get_selected_canvas_view());
 434         if(canvas_view)
 435         {
 436                 if(statename==canvas_view->get_smach().get_state_name())
 437                 {
 438                         return;
 439                 }
 440
 441                 if(state_button_map.count(statename))
 442                 {
 443                         state_button_map[statename]->clicked();
 444                 }
 445                 else
 446                 {
 447                         synfig::error("Unknown state \"%s\"",statename.c_str());
 448                 }
 449         }
 450 }
 451
 452 void
 453 Toolbox::change_state_(const Smach::state_base *state)
 454 {
 455         if(changing_state_)
 456                 return;
 457         changing_state_=true;
 458
 459         try
 460         {
 461                 etl::handle<studio::CanvasView> canvas_view(studio::App::get_selected_canvas_view());
 462                 if(canvas_view)
 463                 {
 464                         if(state->get_name()==String("normal"))
 465                         {
 466                                 canvas_view->get_smach().egress();
 467                         }
 468                         else
 469                         {
 470                                 canvas_view->get_smach().enter(state);
 471                         }
 472                 }
 473                 else
 474                         refresh();
 475         }
 476         catch(...)
 477         {
 478                 changing_state_=false;
 479                 throw;
 480         }
 481
 482         changing_state_=false;
 483 }
 484
 485 void
 486 Toolbox::add_state(const Smach::state_base *state)
 487 {
 488         Gtk::Image *icon;
 489
 490         assert(state);
 491
 492         String name=state->get_name();
 493
 494         Gtk::ToggleButton* button;
 495         button=manage(new class Gtk::ToggleButton());
 496
 497         icon=manage(new Gtk::Image(Gtk::StockID("synfig-"+name),Gtk::IconSize(4)));
 498         button->add(*icon);
 499         tooltips.set_tip(*button,name);
 500         icon->show();
 501         button->show();
 502
 503
 504
 505
 506         int row=state_button_map.size()/4;
 507         int col=state_button_map.size()%4;
 508
 509         tool_table->attach(*button,col,col+1,row,row+1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 510
 511         state_button_map[name]=button;
 512
 513         button->signal_clicked().connect(
 514                 sigc::bind(
 515                         sigc::mem_fun(*this,&studio::Toolbox::change_state_),
 516                         state
 517                 )
 518         );
 519
 520
 521         refresh();
 522 }
 523
 524
 525 void
 526 Toolbox::update_undo_redo()
 527 {
 528         etl::handle<Instance> instance=App::get_selected_instance();
 529         if(instance)
 530         {
 531                 button_undo->set_sensitive(instance->get_undo_status());
 532                 button_redo->set_sensitive(instance->get_redo_status());
 533         }
 534
 535         // This should probably go elsewhere, but it should
 536         // work fine here with no troubles.
 537         // These next several lines just adjust the rotoscope buttons
 538         // so that they are only clickable when they should be.
 539         if(instance && App::get_selected_canvas_view())
 540         {
 541                 std::map<synfig::String,Gtk::ToggleButton *>::iterator iter;
 542
 543                 for(iter=state_button_map.begin();iter!=state_button_map.end();++iter)
 544                         iter->second->set_sensitive(true);
 545         }
 546         else
 547         {
 548                 std::map<synfig::String,Gtk::ToggleButton *>::iterator iter;
 549
 550                 for(iter=state_button_map.begin();iter!=state_button_map.end();++iter)
 551                         iter->second->set_sensitive(false);
 552         }
 553
 554         etl::handle<CanvasView> canvas_view=App::get_selected_canvas_view();
 555         if(canvas_view && canvas_view->get_smach().get_state_name())
 556         {
 557                 set_active_state(canvas_view->get_smach().get_state_name());
 558         }
 559         else
 560                 set_active_state("none");
 561
 562 }
 563
 564 void
 565 Toolbox::on_recent_files_changed()
 566 {
 567         while(recent_files_menu->get_children().size())
 568                 recent_files_menu->remove(**recent_files_menu->get_children().begin());
 569
 570         list<string>::const_iterator iter;
 571         // Check to see if the file is already on the list.
 572         // If it is, then remove it from the list
 573         for(iter=App::get_recent_files().begin();iter!=App::get_recent_files().end();iter++)
 574                 recent_files_menu->items().push_back(Gtk::Menu_Helpers::MenuElem(basename(*iter),
 575                         sigc::hide_return(sigc::bind(sigc::ptr_fun(&App::open),*iter))
 576                 ));
 577
 578         // HACK
 579         show();
 580 }
 581
 582 void
 583 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)
 584 {
 585         // We will make this true once we have a solid drop
 586         bool success(false);
 587
 588         if ((selection_data_.get_length() >= 0) && (selection_data_.get_format() == 8))
 589         {
 590                 synfig::String selection_data((gchar *)(selection_data_.get_data()));
 591
 592                 // For some reason, GTK hands us a list of URL's seperated
 593                 // by not only Carrage-Returns, but also Line-Feeds.
 594                 // Line-Feeds will mess us up. Remove all the line-feeds.
 595                 while(selection_data.find_first_of('\r')!=synfig::String::npos)
 596                         selection_data.erase(selection_data.begin()+selection_data.find_first_of('\r'));
 597
 598                 std::stringstream stream(selection_data);
 599
 600                 while(stream)
 601                 {
 602                         synfig::String filename,URI;
 603                         getline(stream,filename);
 604
 605                         // If we don't have a filename, move on.
 606                         if(filename.empty())
 607                                 continue;
 608
 609                         // Make sure this URL is of the "file://" type.
 610                         URI=String(filename.begin(),filename.begin()+sizeof("file://")-1);
 611                         if(URI!="file://")
 612                         {
 613                                 synfig::warning("Unknown URI (%s) in \"%s\"",URI.c_str(),filename.c_str());
 614                                 continue;
 615                         }
 616
 617                         // Strip the "file://" part from the filename
 618                         filename=synfig::String(filename.begin()+sizeof("file://")-1,filename.end());
 619
 620                         synfig::info("Attempting to open "+filename);
 621                         if(App::open(filename))
 622                                 success=true;
 623                         else
 624                                 synfig::error("Drop failed: Unable to open "+filename);
 625                 }
 626         }
 627         else
 628                 synfig::error("Drop failed: bad selection data");
 629
 630         // Finish the drag
 631         context->drag_finish(success, false, time);
 632 }
 633
 634 void
 635 Toolbox::dockable_registered(Dockable* x)
 636 {
 637         dock_dialogs->items().push_back(
 638                 Gtk::Menu_Helpers::MenuElem(
 639                         x->get_local_name(),
 640                         sigc::mem_fun(
 641                                 *x,
 642                                 &Dockable::present
 643                         )
 644                 )
 645         );
 646 }