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 **      Copyright (c) 2007 Chris Moore
  10 **
  11 **      This package is free software; you can redistribute it and/or
  12 **      modify it under the terms of the GNU General Public License as
  13 **      published by the Free Software Foundation; either version 2 of
  14 **      the License, or (at your option) any later version.
  15 **
  16 **      This package is distributed in the hope that it will be useful,
  17 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19 **      General Public License for more details.
  20 **      \endlegal
  21 **
  22 ** === N O T E S ===========================================================
  23 **
  24 ** ========================================================================= */
  25
  26 /* === H E A D E R S ======================================================= */
  27
  28 #ifdef USING_PCH
  29 #       include "pch.h"
  30 #else
  31 #ifdef HAVE_CONFIG_H
  32 #       include <config.h>
  33 #endif
  34
  35 #include <gtk/gtk.h>
  36 #include <gtkmm/uimanager.h>
  37
  38 #include <gtkmm/ruler.h>
  39 #include <gtkmm/arrow.h>
  40 #include <gtkmm/image.h>
  41 #include <gdkmm/pixbufloader.h>
  42 #include <gtkmm/viewport.h>
  43 #include <gtkmm/adjustment.h>
  44 #include <gtkmm/scrolledwindow.h>
  45 #include <gtkmm/table.h>
  46 #include <gtkmm/statusbar.h>
  47 #include <gtkmm/menubar.h>
  48 #include <gtkmm/menu.h>
  49 #include <gtkmm/button.h>
  50 #include <gtkmm/toolbar.h>
  51 #include <gtkmm/box.h>
  52 #include <gtkmm/image.h>
  53 #include <gtkmm/stock.h>
  54 #include <gtkmm/handlebox.h>
  55
  56 #include <gtkmm/inputdialog.h>
  57
  58 #include <sigc++/signal.h>
  59 #include <sigc++/hide.h>
  60 #include <sigc++/slot.h>
  61 #include <sigc++/retype_return.h>
  62 #include <sigc++/retype.h>
  63
  64 #include <sstream>
  65
  66 #include "toolbox.h"
  67 #include "instance.h"
  68 #include "app.h"
  69 #include "canvasview.h"
  70 #include "dialog_gradient.h"
  71 #include "dialog_color.h"
  72 #include "dialog_tooloptions.h"
  73 #include "dialog_preview.h"
  74 #include "dockable.h"
  75 #include "dockmanager.h"
  76 #include "dockdialog.h"
  77
  78 #include "widget_defaults.h"
  79
  80 #include <synfigapp/main.h>
  81
  82 #endif
  83
  84 using namespace std;
  85 using namespace etl;
  86 using namespace synfig;
  87 using namespace studio;
  88 using namespace SigC;
  89
  90 /* === M A C R O S ========================================================= */
  91
  92 #define GRAB_HINT_DATA(y,default)       { \
  93                 String x; \
  94                 if(synfigapp::Main::settings().get_value(String("pref.")+y+"_hints",x)) \
  95                 { \
  96                         set_type_hint((Gdk::WindowTypeHint)atoi(x.c_str()));    \
  97                 } else {\
  98                         set_type_hint(default); \
  99                 } \
 100         }
 101
 102 /* === G L O B A L S ======================================================= */
 103
 104 /* === P R O C E D U R E S ================================================= */
 105
 106 /* === M E T H O D S ======================================================= */
 107
 108 #define TOGGLE_TOOLBOX_BUTTON(button,stockid,tooltip)   \
 109         button = manage(new class Gtk::ToggleButton()); \
 110         icon=manage(new Gtk::Image(Gtk::StockID(stockid),Gtk::IconSize(4)));    \
 111         button->add(*icon);     \
 112         tooltips.set_tip(*button,tooltip);      \
 113         icon->show();   \
 114         button->show()
 115
 116 #define TOOLBOX_BUTTON(button,stockid,tooltip)  \
 117         button = manage(new class Gtk::Button());       \
 118         icon=manage(new Gtk::Image(Gtk::StockID(stockid),Gtk::IconSize(4)));    \
 119         button->add(*icon);     \
 120         tooltips.set_tip(*button,tooltip);      \
 121         icon->show();   \
 122         button->show()
 123
 124 #define ADD_TOOLBOX_BUTTON(button,stockid,tooltip)      Gtk::Button *TOOLBOX_BUTTON(button,stockid,tooltip)
 125
 126 void
 127 save_selected_instance()
 128 {
 129         if(!studio::App::get_selected_instance())
 130         {
 131                 App::dialog_error_blocking("Cannot save","Nothing to save");
 132                 return;
 133         }
 134
 135         studio::App::get_selected_instance()->save();
 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 save_all()
 152 {
 153         std::list<etl::handle<Instance> >::iterator iter;
 154         for(iter=App::instance_list.begin();iter!=App::instance_list.end();iter++)
 155                 (*iter)->save();
 156 }
 157
 158 void
 159 close_selected_instance()
 160 {
 161         etl::handle<studio::Instance> instance=studio::App::get_selected_instance();
 162
 163         if(!instance)
 164         {
 165                 App::dialog_error_blocking("Cannot close","Nothing to close");
 166                 return;
 167         }
 168
 169         instance->safe_close();
 170
 171         //assert(instance.unique());
 172 }
 173
 174
 175 static void
 176 show_dialog_input()
 177 {
 178         App::dialog_input->present();
 179 }
 180
 181 void _create_stock_dialog1()
 182 {
 183         DockDialog* dock_dialog(new DockDialog);
 184         dock_dialog->set_contents("canvases history");
 185         dock_dialog->set_composition_selector(true);
 186         dock_dialog->present();
 187 }
 188 void _create_stock_dialog2()
 189 {
 190         DockDialog* dock_dialog(new DockDialog);
 191         dock_dialog->set_contents("layers children keyframes | params");
 192         dock_dialog->present();
 193 }
 194
 195 Toolbox::Toolbox():
 196         Gtk::Window(Gtk::WINDOW_TOPLEVEL),
 197         dialog_settings(this,"toolbox")
 198 {
 199         GRAB_HINT_DATA(
 200                 "toolbox",
 201 //#ifdef __APPLE__
 202                 Gdk::WINDOW_TYPE_HINT_NORMAL
 203 //#else
 204 //              Gdk::WINDOW_TYPE_HINT_UTILITY
 205 //#endif
 206         );
 207         set_keep_above(false);
 208         set_role("toolbox");
 209
 210
 211
 212         recent_files_menu= manage(new class Gtk::Menu());
 213
 214         Gtk::Menu       *filemenu       =manage(new class Gtk::Menu());
 215
 216         dock_dialogs=manage(new class Gtk::Menu());
 217
 218         dock_dialogs->items().push_back(Gtk::Menu_Helpers::MenuElem("Canvases, History",sigc::ptr_fun(_create_stock_dialog1)));
 219         dock_dialogs->items().push_back(Gtk::Menu_Helpers::MenuElem("Layers, Children, Params",sigc::ptr_fun(_create_stock_dialog2)));
 220         dock_dialogs->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 221         dock_dialogs->items().push_back(Gtk::Menu_Helpers::MenuElem("Reset Windows to Original Layout",sigc::ptr_fun(App::reset_initial_window_configuration)));
 222         dock_dialogs->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 223
 224
 225         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::NEW,
 226                 sigc::ptr_fun(&studio::App::new_instance)));
 227         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::OPEN,
 228                 sigc::ptr_fun(&studio::App::dialog_open)));
 229
 230         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Open Recent"),*recent_files_menu));
 231
 232         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-saveall"),
 233                 sigc::ptr_fun(&studio::App::dialog_not_implemented)));
 234         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::CLOSE,
 235                 sigc::ptr_fun(close_selected_instance)));
 236         filemenu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 237         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Dialogs"),*dock_dialogs));
 238
 239         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Canvas Browser..."),
 240         //      sigc::mem_fun(studio::App::show_comp_view)));
 241         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Gradient Editor..."),
 242         //      sigc::mem_fun(show_dialog_gradient)));
 243         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Tool Options"),
 244         //      sigc::mem_fun(show_dialog_tool_options)));
 245         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Colors..."),
 246         //      sigc::mem_fun(show_dialog_color)));
 247         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Color Palette..."),
 248         //      sigc::mem_fun(show_dialog_palette)));
 249         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Input Devices..."),
 250                 sigc::ptr_fun(&show_dialog_input)));
 251         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Setup..."),
 252                 sigc::ptr_fun(&studio::App::show_setup)));
 253
 254         filemenu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 255         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID(Gtk::Stock::QUIT),
 256                 sigc::ptr_fun(studio::App::quit)));
 257
 258         Gtk::Menu       *helpmenu = manage(new class Gtk::Menu());
 259         helpmenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::HELP,
 260                 sigc::ptr_fun(studio::App::dialog_not_implemented)));
 261         helpmenu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 262         helpmenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-about"),
 263                 sigc::ptr_fun(studio::App::dialog_about)));
 264
 265         Gtk::MenuBar *menubar1 = manage(new class Gtk::MenuBar());
 266         menubar1->items().push_back(Gtk::Menu_Helpers::MenuElem("_File",*filemenu));
 267         menubar1->items().push_back(Gtk::Menu_Helpers::MenuElem("_Help",*helpmenu));
 268
 269
 270         menubar1->show();
 271
 272         Gtk::Image *icon;
 273
 274         ADD_TOOLBOX_BUTTON(button_new,"gtk-new","New...");
 275         ADD_TOOLBOX_BUTTON(button_open,"gtk-open","Open...");
 276         ADD_TOOLBOX_BUTTON(button_save,"gtk-save","Save");
 277         ADD_TOOLBOX_BUTTON(button_saveas,"gtk-save-as","Save as...");
 278         ADD_TOOLBOX_BUTTON(button_save_all,"synfig-saveall","Save All");
 279         TOOLBOX_BUTTON(button_undo,"gtk-undo","Undo");
 280         TOOLBOX_BUTTON(button_redo,"gtk-redo","Redo");
 281         ADD_TOOLBOX_BUTTON(button_about,"synfig-about","About Synfig Studio");
 282
 283         button_about->signal_clicked().connect(sigc::ptr_fun(studio::App::dialog_about));
 284         button_new->signal_clicked().connect(sigc::ptr_fun(studio::App::new_instance));
 285         button_open->signal_clicked().connect(sigc::ptr_fun(studio::App::dialog_open));
 286         button_save->signal_clicked().connect(sigc::ptr_fun(save_selected_instance));
 287         button_saveas->signal_clicked().connect(sigc::ptr_fun(save_as_selected_instance));
 288         button_save_all->signal_clicked().connect(sigc::ptr_fun(save_all));
 289         button_undo->signal_clicked().connect(sigc::ptr_fun(studio::App::undo));
 290         button_redo->signal_clicked().connect(sigc::ptr_fun(studio::App::redo));
 291
 292         // Create the file button cluster
 293         Gtk::Table *file_buttons=manage(new class Gtk::Table(4, 4, false));
 294
 295         file_buttons->attach(*button_new,      0,1, 0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 296         file_buttons->attach(*button_open,     1,2, 0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 297         file_buttons->attach(*button_save,     2,3, 0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 298         file_buttons->attach(*button_saveas,   3,4, 0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 299
 300         file_buttons->attach(*button_save_all, 0,1, 1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 301         file_buttons->attach(*button_undo,     1,2, 1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 302         file_buttons->attach(*button_redo,     2,3, 1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 303         file_buttons->attach(*button_about,    3,4, 1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 304
 305         file_buttons->show();
 306
 307         tool_table=manage(new class Gtk::Table(4, 4, false));
 308         tool_table->show();
 309         Gtk::HandleBox* handle_tools(manage(new Gtk::HandleBox()));
 310         handle_tools->add(*tool_table);
 311         handle_tools->show();
 312         handle_tools->set_handle_position(Gtk::POS_TOP);
 313         handle_tools->set_snap_edge(Gtk::POS_TOP);
 314
 315         Widget_Defaults* widget_defaults(manage(new Widget_Defaults()));
 316         widget_defaults->show();
 317         Gtk::HandleBox* handle_defaults(manage(new Gtk::HandleBox()));
 318         handle_defaults->add(*widget_defaults);
 319         handle_defaults->show();
 320         handle_defaults->set_handle_position(Gtk::POS_TOP);
 321         handle_defaults->set_snap_edge(Gtk::POS_TOP);
 322
 323         // Create the toplevel table
 324         Gtk::Table *table1 = manage(new class Gtk::Table(1, 2, false));
 325         table1->set_row_spacings(0);
 326         table1->set_col_spacings(0);
 327         table1->attach(*menubar1,        0,1, 0,1, Gtk::FILL|Gtk::EXPAND, Gtk::SHRINK, 0, 0);
 328         table1->attach(*file_buttons,    0,1, 1,2, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 329         //table1->attach(*manage(new Gtk::Label(_("Tools"))), 0, 1, 2, 3, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 330         table1->attach(*handle_tools,    0,1, 3,4, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 331         table1->attach(*handle_defaults, 0,1, 4,5, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 332         table1->show_all();
 333
 334
 335
 336         // Set the parameters for this window
 337         add(*table1);
 338         set_title("Synfig Studio");
 339         set_modal(false);
 340         property_window_position().set_value(Gtk::WIN_POS_NONE);
 341         signal_delete_event().connect(sigc::ptr_fun(App::shutdown_request));
 342         set_resizable(false);
 343
 344
 345
 346         App::signal_instance_selected().connect(
 347                 sigc::hide(
 348                         sigc::mem_fun(*this,&studio::Toolbox::update_undo_redo)
 349                 )
 350         );
 351
 352         App::signal_recent_files_changed().connect(
 353                         sigc::mem_fun(*this,&studio::Toolbox::on_recent_files_changed)
 354         );
 355
 356         button_undo->set_sensitive(false);
 357         button_redo->set_sensitive(false);
 358
 359         std::list<Gtk::TargetEntry> listTargets;
 360         listTargets.push_back( Gtk::TargetEntry("text/plain") );
 361         listTargets.push_back( Gtk::TargetEntry("image") );
 362 //      listTargets.push_back( Gtk::TargetEntry("image/x-sif") );
 363
 364         drag_dest_set(listTargets);
 365         signal_drag_data_received().connect( sigc::mem_fun(*this, &studio::Toolbox::on_drop_drag_data_received) );
 366
 367         App::dock_manager->signal_dockable_registered().connect(sigc::mem_fun(*this,&Toolbox::dockable_registered));
 368
 369         changing_state_=false;
 370
 371
 372         add_accel_group(App::ui_manager()->get_accel_group());
 373
 374         App::signal_present_all().connect(sigc::mem_fun0(*this,&Toolbox::present));
 375 }
 376
 377 Toolbox::~Toolbox()
 378 {
 379         hide();
 380         //studio::App::cb.task("Toolbox: I was nailed!");
 381         //studio::App::quit();
 382
 383         if(studio::App::toolbox==this)
 384                 studio::App::toolbox=NULL;
 385
 386 }
 387
 388 void
 389 Toolbox::set_active_state(const String& statename)
 390 {
 391         std::map<synfig::String,Gtk::ToggleButton *>::iterator iter;
 392
 393         changing_state_=true;
 394
 395         synfigapp::Main::set_state(statename);
 396
 397         try
 398         {
 399
 400                 for(iter=state_button_map.begin();iter!=state_button_map.end();++iter)
 401                 {
 402                         if(iter->first==statename)
 403                         {
 404                                 if(!iter->second->get_active())
 405                                         iter->second->set_active(true);
 406                         }
 407                         else
 408                         {
 409                                 if(iter->second->get_active())
 410                                         iter->second->set_active(false);
 411                         }
 412                 }
 413         }
 414         catch(...)
 415         {
 416                 changing_state_=false;
 417                 throw;
 418         }
 419         changing_state_=false;
 420 }
 421
 422 void
 423 Toolbox::change_state(const synfig::String& statename)
 424 {
 425         etl::handle<studio::CanvasView> canvas_view(studio::App::get_selected_canvas_view());
 426         if(canvas_view)
 427         {
 428                 if(statename==canvas_view->get_smach().get_state_name())
 429                 {
 430                         return;
 431                 }
 432
 433                 if(state_button_map.count(statename))
 434                 {
 435                         state_button_map[statename]->clicked();
 436                 }
 437                 else
 438                 {
 439                         synfig::error("Unknown state \"%s\"",statename.c_str());
 440                 }
 441         }
 442 }
 443
 444 void
 445 Toolbox::change_state_(const Smach::state_base *state)
 446 {
 447         if(changing_state_)
 448                 return;
 449         changing_state_=true;
 450
 451         try
 452         {
 453                 etl::handle<studio::CanvasView> canvas_view(studio::App::get_selected_canvas_view());
 454                 if(canvas_view)
 455                 {
 456                         if(state->get_name()==String("normal"))
 457                         {
 458                                 canvas_view->get_smach().egress();
 459                         }
 460                         else
 461                         {
 462                                 canvas_view->get_smach().enter(state);
 463                         }
 464                 }
 465                 else
 466                         refresh();
 467         }
 468         catch(...)
 469         {
 470                 changing_state_=false;
 471                 throw;
 472         }
 473
 474         changing_state_=false;
 475 }
 476
 477 void
 478 Toolbox::add_state(const Smach::state_base *state)
 479 {
 480         Gtk::Image *icon;
 481
 482         assert(state);
 483
 484         String name=state->get_name();
 485
 486         Gtk::StockItem stock_item;
 487         Gtk::Stock::lookup(Gtk::StockID("synfig-"+name),stock_item);
 488
 489         Gtk::ToggleButton* button;
 490         button=manage(new class Gtk::ToggleButton());
 491
 492         icon=manage(new Gtk::Image(stock_item.get_stock_id(),Gtk::IconSize(4)));
 493         button->add(*icon);
 494         tooltips.set_tip(*button,stock_item.get_label());
 495         icon->show();
 496         button->show();
 497
 498         int row=state_button_map.size()/4;
 499         int col=state_button_map.size()%4;
 500
 501         tool_table->attach(*button,col,col+1,row,row+1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 502
 503         state_button_map[name]=button;
 504
 505         button->signal_clicked().connect(
 506                 sigc::bind(
 507                         sigc::mem_fun(*this,&studio::Toolbox::change_state_),
 508                         state
 509                 )
 510         );
 511
 512         refresh();
 513 }
 514
 515
 516 void
 517 Toolbox::update_undo_redo()
 518 {
 519         etl::handle<Instance> instance=App::get_selected_instance();
 520         if(instance)
 521         {
 522                 button_undo->set_sensitive(instance->get_undo_status());
 523                 button_redo->set_sensitive(instance->get_redo_status());
 524         }
 525
 526         // This should probably go elsewhere, but it should
 527         // work fine here with no troubles.
 528         // These next several lines just adjust the tool buttons
 529         // so that they are only clickable when they should be.
 530         if(instance && App::get_selected_canvas_view())
 531         {
 532                 std::map<synfig::String,Gtk::ToggleButton *>::iterator iter;
 533
 534                 for(iter=state_button_map.begin();iter!=state_button_map.end();++iter)
 535                         iter->second->set_sensitive(true);
 536         }
 537         else
 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(false);
 543         }
 544
 545         etl::handle<CanvasView> canvas_view=App::get_selected_canvas_view();
 546         if(canvas_view && canvas_view->get_smach().get_state_name())
 547         {
 548                 set_active_state(canvas_view->get_smach().get_state_name());
 549         }
 550         else
 551                 set_active_state("none");
 552
 553 }
 554
 555 void
 556 Toolbox::on_recent_files_changed()
 557 {
 558         while(recent_files_menu->get_children().size())
 559                 recent_files_menu->remove(**recent_files_menu->get_children().begin());
 560
 561         list<string>::const_iterator iter;
 562         for(iter=App::get_recent_files().begin();iter!=App::get_recent_files().end();iter++)
 563         {
 564                 string raw = basename(*iter), quoted;
 565                 size_t pos = 0, last_pos = 0;
 566
 567                 // replace _ in filenames by __ or it won't show up in the menu
 568                 for (pos = last_pos = 0; (pos = raw.find('_', pos)) != string::npos; last_pos = pos)
 569                         quoted += raw.substr(last_pos, ++pos - last_pos) + '_';
 570                 quoted += raw.substr(last_pos);
 571
 572                 recent_files_menu->items().push_back(Gtk::Menu_Helpers::MenuElem(quoted,
 573                         sigc::hide_return(sigc::bind(sigc::ptr_fun(&App::open),*iter))
 574                 ));
 575         }
 576
 577         // HACK
 578         show();
 579 }
 580
 581 void
 582 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)
 583 {
 584         // We will make this true once we have a solid drop
 585         bool success(false);
 586
 587         if ((selection_data_.get_length() >= 0) && (selection_data_.get_format() == 8))
 588         {
 589                 synfig::String selection_data((gchar *)(selection_data_.get_data()));
 590
 591                 // For some reason, GTK hands us a list of URL's seperated
 592                 // by not only Carrage-Returns, but also Line-Feeds.
 593                 // Line-Feeds will mess us up. Remove all the line-feeds.
 594                 while(selection_data.find_first_of('\r')!=synfig::String::npos)
 595                         selection_data.erase(selection_data.begin()+selection_data.find_first_of('\r'));
 596
 597                 std::stringstream stream(selection_data);
 598
 599                 while(stream)
 600                 {
 601                         synfig::String filename,URI;
 602                         getline(stream,filename);
 603
 604                         // If we don't have a filename, move on.
 605                         if(filename.empty())
 606                                 continue;
 607
 608                         // Make sure this URL is of the "file://" type.
 609                         URI=String(filename.begin(),filename.begin()+sizeof("file://")-1);
 610                         if(URI!="file://")
 611                         {
 612                                 synfig::warning("Unknown URI (%s) in \"%s\"",URI.c_str(),filename.c_str());
 613                                 continue;
 614                         }
 615
 616                         // Strip the "file://" part from the filename
 617                         filename=synfig::String(filename.begin()+sizeof("file://")-1,filename.end());
 618
 619                         synfig::info("Attempting to open "+filename);
 620                         if(App::open(filename))
 621                                 success=true;
 622                         else
 623                                 synfig::error("Drop failed: Unable to open "+filename);
 624                 }
 625         }
 626         else
 627                 synfig::error("Drop failed: bad selection data");
 628
 629         // Finish the drag
 630         context->drag_finish(success, false, time);
 631 }
 632
 633 void
 634 Toolbox::dockable_registered(Dockable* x)
 635 {
 636         dock_dialogs->items().push_back(
 637                 Gtk::Menu_Helpers::MenuElem(
 638                         x->get_local_name(),
 639                         sigc::mem_fun(
 640                                 *x,
 641                                 &Dockable::present
 642                         )
 643                 )
 644         );
 645 }