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