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 #include "general.h"
  83
  84 #endif
  85
  86 using namespace std;
  87 using namespace etl;
  88 using namespace synfig;
  89 using namespace studio;
  90 using namespace sigc;
  91
  92 /* === M A C R O S ========================================================= */
  93
  94 #define GRAB_HINT_DATA(y,default)       { \
  95                 String x; \
  96                 if(synfigapp::Main::settings().get_value(String("pref.")+y+"_hints",x)) \
  97                 { \
  98                         set_type_hint((Gdk::WindowTypeHint)atoi(x.c_str()));    \
  99                 } else {\
 100                         set_type_hint(default); \
 101                 } \
 102         }
 103
 104 /* === G L O B A L S ======================================================= */
 105
 106 /* === P R O C E D U R E S ================================================= */
 107
 108 /* === M E T H O D S ======================================================= */
 109
 110 #define TOGGLE_TOOLBOX_BUTTON(button,stockid,tooltip)   \
 111         button = manage(new class Gtk::ToggleButton()); \
 112         icon=manage(new Gtk::Image(Gtk::StockID(stockid),Gtk::IconSize(4)));    \
 113         button->add(*icon);     \
 114         tooltips.set_tip(*button,tooltip);      \
 115         icon->show();   \
 116         button->show()
 117
 118 #define TOOLBOX_BUTTON(button,stockid,tooltip)  \
 119         button = manage(new class Gtk::Button());       \
 120         icon=manage(new Gtk::Image(Gtk::StockID(stockid),Gtk::IconSize(4)));    \
 121         button->add(*icon);     \
 122         tooltips.set_tip(*button,tooltip);      \
 123         icon->show();   \
 124         button->show()
 125
 126 #define ADD_TOOLBOX_BUTTON(button,stockid,tooltip)      Gtk::Button *TOOLBOX_BUTTON(button,stockid,tooltip)
 127
 128 void
 129 save_selected_instance()
 130 {
 131         if(!studio::App::get_selected_instance())
 132         {
 133                 App::dialog_error_blocking(_("Cannot save"),_("Nothing to save"));
 134                 return;
 135         }
 136
 137         studio::App::get_selected_instance()->save();
 138 }
 139
 140 void
 141 save_as_selected_instance()
 142 {
 143         if(!studio::App::get_selected_instance())
 144         {
 145                 App::dialog_error_blocking(_("Cannot save as"),_("Nothing to save"));
 146                 return;
 147         }
 148
 149         studio::App::get_selected_instance()->dialog_save_as();
 150 }
 151
 152 void
 153 save_all()
 154 {
 155         std::list<etl::handle<Instance> >::iterator iter;
 156         for(iter=App::instance_list.begin();iter!=App::instance_list.end();iter++)
 157                 (*iter)->save();
 158 }
 159
 160 void
 161 close_selected_instance()
 162 {
 163         etl::handle<studio::Instance> instance=studio::App::get_selected_instance();
 164
 165         if(!instance)
 166         {
 167                 App::dialog_error_blocking(_("Cannot close"),_("Nothing to close"));
 168                 return;
 169         }
 170
 171         instance->safe_close();
 172
 173         //assert(instance.unique());
 174 }
 175
 176
 177 static void
 178 show_dialog_input()
 179 {
 180         App::dialog_input->present();
 181 }
 182
 183 void _create_stock_dialog1()
 184 {
 185         DockDialog* dock_dialog(new DockDialog);
 186         dock_dialog->set_contents("canvases history");
 187         dock_dialog->set_composition_selector(true);
 188         dock_dialog->present();
 189 }
 190 void _create_stock_dialog2()
 191 {
 192         DockDialog* dock_dialog(new DockDialog);
 193         dock_dialog->set_contents("layers children keyframes | params");
 194         dock_dialog->present();
 195 }
 196
 197 Toolbox::Toolbox():
 198         Gtk::Window(Gtk::WINDOW_TOPLEVEL),
 199         dialog_settings(this,"toolbox")
 200 {
 201         GRAB_HINT_DATA(
 202                 "toolbox",
 203 //#ifdef __APPLE__
 204                 Gdk::WINDOW_TYPE_HINT_NORMAL
 205 //#else
 206 //              Gdk::WINDOW_TYPE_HINT_UTILITY
 207 //#endif
 208         );
 209         set_keep_above(false);
 210         set_role("toolbox");
 211
 212
 213
 214         recent_files_menu= manage(new class Gtk::Menu());
 215
 216         Gtk::Menu       *filemenu       =manage(new class Gtk::Menu());
 217
 218         dock_dialogs=manage(new class Gtk::Menu());
 219
 220         dock_dialogs->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Vertical Dock: Canvases, History"),sigc::ptr_fun(_create_stock_dialog1)));
 221         dock_dialogs->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Horizontal Dock: Layers, Children, Params"),sigc::ptr_fun(_create_stock_dialog2)));
 222         dock_dialogs->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 223         dock_dialogs->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Reset Windows to Original Layout"),sigc::ptr_fun(App::reset_initial_window_configuration)));
 224         dock_dialogs->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 225
 226
 227         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::NEW,
 228                 sigc::ptr_fun(&studio::App::new_instance)));
 229         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::OPEN,
 230                 sigc::ptr_fun(&studio::App::dialog_open)));
 231
 232         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Open Recent"),*recent_files_menu));
 233
 234         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-saveall"),
 235                 sigc::ptr_fun(&studio::App::dialog_not_implemented)));
 236         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::CLOSE,
 237                 sigc::ptr_fun(close_selected_instance)));
 238         filemenu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 239         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Panels"),*dock_dialogs));
 240
 241         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Canvas Browser..."),
 242         //      sigc::mem_fun(studio::App::show_comp_view)));
 243         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Gradient Editor..."),
 244         //      sigc::mem_fun(show_dialog_gradient)));
 245         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Tool Options"),
 246         //      sigc::mem_fun(show_dialog_tool_options)));
 247         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Colors..."),
 248         //      sigc::mem_fun(show_dialog_color)));
 249         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Color Palette..."),
 250         //      sigc::mem_fun(show_dialog_palette)));
 251         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Input Devices..."),
 252                 sigc::ptr_fun(&show_dialog_input)));
 253         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Setup..."),
 254                 sigc::ptr_fun(&studio::App::show_setup)));
 255
 256         filemenu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 257         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID(Gtk::Stock::QUIT),
 258                 sigc::ptr_fun(studio::App::quit)));
 259
 260         Gtk::Menu       *helpmenu = manage(new class Gtk::Menu());
 261         helpmenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::HELP,
 262                 sigc::ptr_fun(studio::App::dialog_not_implemented)));
 263         helpmenu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 264         helpmenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-about"),
 265                 sigc::ptr_fun(studio::App::dialog_about)));
 266
 267         Gtk::MenuBar *menubar1 = manage(new class Gtk::MenuBar());
 268         menubar1->items().push_back(Gtk::Menu_Helpers::MenuElem(_("_File"),*filemenu));
 269         menubar1->items().push_back(Gtk::Menu_Helpers::MenuElem(_("_Help"),*helpmenu));
 270
 271
 272         menubar1->show();
 273
 274         Gtk::Image *icon;
 275
 276         ADD_TOOLBOX_BUTTON(button_new,"gtk-new",_("New..."));
 277         ADD_TOOLBOX_BUTTON(button_open,"gtk-open",_("Open..."));
 278         ADD_TOOLBOX_BUTTON(button_save,"gtk-save",_("Save"));
 279         ADD_TOOLBOX_BUTTON(button_saveas,"gtk-save-as",_("Save as..."));
 280         ADD_TOOLBOX_BUTTON(button_save_all,"synfig-saveall",_("Save All"));
 281         TOOLBOX_BUTTON(button_undo,"gtk-undo",_("Undo"));
 282         TOOLBOX_BUTTON(button_redo,"gtk-redo",_("Redo"));
 283         ADD_TOOLBOX_BUTTON(button_about,"synfig-about",_("About Synfig Studio"));
 284
 285         button_about->signal_clicked().connect(sigc::ptr_fun(studio::App::dialog_about));
 286         button_new->signal_clicked().connect(sigc::ptr_fun(studio::App::new_instance));
 287         button_open->signal_clicked().connect(sigc::ptr_fun(studio::App::dialog_open));
 288         button_save->signal_clicked().connect(sigc::ptr_fun(save_selected_instance));
 289         button_saveas->signal_clicked().connect(sigc::ptr_fun(save_as_selected_instance));
 290         button_save_all->signal_clicked().connect(sigc::ptr_fun(save_all));
 291         button_undo->signal_clicked().connect(sigc::ptr_fun(studio::App::undo));
 292         button_redo->signal_clicked().connect(sigc::ptr_fun(studio::App::redo));
 293
 294         // Create the file button cluster
 295         Gtk::Table *file_buttons=manage(new class Gtk::Table(4, 4, false));
 296
 297         file_buttons->attach(*button_new,      0,1, 0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 298         file_buttons->attach(*button_open,     1,2, 0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 299         file_buttons->attach(*button_save,     2,3, 0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 300         file_buttons->attach(*button_saveas,   3,4, 0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 301
 302         file_buttons->attach(*button_save_all, 0,1, 1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 303         file_buttons->attach(*button_undo,     1,2, 1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 304         file_buttons->attach(*button_redo,     2,3, 1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 305         file_buttons->attach(*button_about,    3,4, 1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 306
 307         file_buttons->show();
 308
 309         tool_table=manage(new class Gtk::Table(4, 4, false));
 310         tool_table->show();
 311         Gtk::HandleBox* handle_tools(manage(new Gtk::HandleBox()));
 312         handle_tools->add(*tool_table);
 313         handle_tools->show();
 314         handle_tools->set_handle_position(Gtk::POS_TOP);
 315         handle_tools->set_snap_edge(Gtk::POS_TOP);
 316
 317         Widget_Defaults* widget_defaults(manage(new Widget_Defaults()));
 318         widget_defaults->show();
 319         Gtk::HandleBox* handle_defaults(manage(new Gtk::HandleBox()));
 320         handle_defaults->add(*widget_defaults);
 321         handle_defaults->show();
 322         handle_defaults->set_handle_position(Gtk::POS_TOP);
 323         handle_defaults->set_snap_edge(Gtk::POS_TOP);
 324
 325         // Create the toplevel table
 326         Gtk::Table *table1 = manage(new class Gtk::Table(1, 2, false));
 327         table1->set_row_spacings(0);
 328         table1->set_col_spacings(0);
 329         table1->attach(*menubar1,        0,1, 0,1, Gtk::FILL|Gtk::EXPAND, Gtk::SHRINK, 0, 0);
 330         table1->attach(*file_buttons,    0,1, 1,2, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 331         //table1->attach(*manage(new Gtk::Label(_("Tools"))), 0, 1, 2, 3, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 332         table1->attach(*handle_tools,    0,1, 3,4, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 333         table1->attach(*handle_defaults, 0,1, 4,5, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 334         table1->show_all();
 335
 336
 337
 338         // Set the parameters for this window
 339         add(*table1);
 340         set_title(_("Synfig Studio"));
 341         set_modal(false);
 342         property_window_position().set_value(Gtk::WIN_POS_NONE);
 343         signal_delete_event().connect(sigc::ptr_fun(App::shutdown_request));
 344         set_resizable(false);
 345
 346
 347
 348         App::signal_instance_selected().connect(
 349                 sigc::hide(
 350                         sigc::mem_fun(*this,&studio::Toolbox::update_undo_redo)
 351                 )
 352         );
 353
 354         App::signal_recent_files_changed().connect(
 355                         sigc::mem_fun(*this,&studio::Toolbox::on_recent_files_changed)
 356         );
 357
 358         button_undo->set_sensitive(false);
 359         button_redo->set_sensitive(false);
 360
 361         std::list<Gtk::TargetEntry> listTargets;
 362         listTargets.push_back( Gtk::TargetEntry("text/plain") );
 363         listTargets.push_back( Gtk::TargetEntry("image") );
 364 //      listTargets.push_back( Gtk::TargetEntry("image/x-sif") );
 365
 366         drag_dest_set(listTargets);
 367         signal_drag_data_received().connect( sigc::mem_fun(*this, &studio::Toolbox::on_drop_drag_data_received) );
 368
 369         App::dock_manager->signal_dockable_registered().connect(sigc::mem_fun(*this,&Toolbox::dockable_registered));
 370
 371         changing_state_=false;
 372
 373
 374         add_accel_group(App::ui_manager()->get_accel_group());
 375
 376         App::signal_present_all().connect(sigc::mem_fun0(*this,&Toolbox::present));
 377 }
 378
 379 Toolbox::~Toolbox()
 380 {
 381         hide();
 382         //studio::App::cb.task(_("Toolbox: I was nailed!"));
 383         //studio::App::quit();
 384
 385         if(studio::App::toolbox==this)
 386                 studio::App::toolbox=NULL;
 387
 388 }
 389
 390 void
 391 Toolbox::set_active_state(const synfig::String& statename)
 392 {
 393         std::map<synfig::String,Gtk::ToggleButton *>::iterator iter;
 394
 395         changing_state_=true;
 396
 397         synfigapp::Main::set_state(statename);
 398
 399         try
 400         {
 401
 402                 for(iter=state_button_map.begin();iter!=state_button_map.end();++iter)
 403                 {
 404                         if(iter->first==statename)
 405                         {
 406                                 if(!iter->second->get_active())
 407                                         iter->second->set_active(true);
 408                         }
 409                         else
 410                         {
 411                                 if(iter->second->get_active())
 412                                         iter->second->set_active(false);
 413                         }
 414                 }
 415         }
 416         catch(...)
 417         {
 418                 changing_state_=false;
 419                 throw;
 420         }
 421         changing_state_=false;
 422 }
 423
 424 void
 425 Toolbox::change_state(const synfig::String& statename)
 426 {
 427         etl::handle<studio::CanvasView> canvas_view(studio::App::get_selected_canvas_view());
 428         if(canvas_view)
 429         {
 430                 if(statename==canvas_view->get_smach().get_state_name())
 431                 {
 432                         return;
 433                 }
 434
 435                 if(state_button_map.count(statename))
 436                 {
 437                         state_button_map[statename]->clicked();
 438                 }
 439                 else
 440                 {
 441                         synfig::error("Unknown state \"%s\"",statename.c_str());
 442                 }
 443         }
 444 }
 445
 446 void
 447 Toolbox::change_state_(const Smach::state_base *state)
 448 {
 449         if(changing_state_)
 450                 return;
 451         changing_state_=true;
 452
 453         try
 454         {
 455                 etl::handle<studio::CanvasView> canvas_view(studio::App::get_selected_canvas_view());
 456                 if(canvas_view)
 457                 {
 458                         if(state->get_name()==String("normal"))
 459                         {
 460                                 canvas_view->get_smach().egress();
 461                         }
 462                         else
 463                         {
 464                                 canvas_view->get_smach().enter(state);
 465                         }
 466                 }
 467                 else
 468                         refresh();
 469         }
 470         catch(...)
 471         {
 472                 changing_state_=false;
 473                 throw;
 474         }
 475
 476         changing_state_=false;
 477 }
 478
 479 void
 480 Toolbox::add_state(const Smach::state_base *state)
 481 {
 482         Gtk::Image *icon;
 483
 484         assert(state);
 485
 486         String name=state->get_name();
 487
 488         Gtk::StockItem stock_item;
 489         Gtk::Stock::lookup(Gtk::StockID("synfig-"+name),stock_item);
 490
 491         Gtk::ToggleButton* button;
 492         button=manage(new class Gtk::ToggleButton());
 493
 494         icon=manage(new Gtk::Image(stock_item.get_stock_id(),Gtk::IconSize(4)));
 495         button->add(*icon);
 496         tooltips.set_tip(*button,stock_item.get_label());
 497         icon->show();
 498         button->show();
 499
 500         int row=state_button_map.size()/4;
 501         int col=state_button_map.size()%4;
 502
 503         tool_table->attach(*button,col,col+1,row,row+1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 504
 505         state_button_map[name]=button;
 506
 507         button->signal_clicked().connect(
 508                 sigc::bind(
 509                         sigc::mem_fun(*this,&studio::Toolbox::change_state_),
 510                         state
 511                 )
 512         );
 513
 514         refresh();
 515 }
 516
 517
 518 void
 519 Toolbox::update_undo_redo()
 520 {
 521         etl::handle<Instance> instance=App::get_selected_instance();
 522         if(instance)
 523         {
 524                 button_undo->set_sensitive(instance->get_undo_status());
 525                 button_redo->set_sensitive(instance->get_redo_status());
 526         }
 527
 528         // This should probably go elsewhere, but it should
 529         // work fine here with no troubles.
 530         // These next several lines just adjust the tool buttons
 531         // so that they are only clickable when they should be.
 532         if(instance && App::get_selected_canvas_view())
 533         {
 534                 std::map<synfig::String,Gtk::ToggleButton *>::iterator iter;
 535
 536                 for(iter=state_button_map.begin();iter!=state_button_map.end();++iter)
 537                         iter->second->set_sensitive(true);
 538         }
 539         else
 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(false);
 545         }
 546
 547         etl::handle<CanvasView> canvas_view=App::get_selected_canvas_view();
 548         if(canvas_view && canvas_view->get_smach().get_state_name())
 549         {
 550                 set_active_state(canvas_view->get_smach().get_state_name());
 551         }
 552         else
 553                 set_active_state("none");
 554
 555 }
 556
 557 void
 558 Toolbox::on_recent_files_changed()
 559 {
 560         while(recent_files_menu->get_children().size())
 561                 recent_files_menu->remove(**recent_files_menu->get_children().begin());
 562
 563         list<string>::const_iterator iter;
 564         for(iter=App::get_recent_files().begin();iter!=App::get_recent_files().end();iter++)
 565         {
 566                 string raw = basename(*iter), quoted;
 567                 size_t pos = 0, last_pos = 0;
 568
 569                 // replace _ in filenames by __ or it won't show up in the menu
 570                 for (pos = last_pos = 0; (pos = raw.find('_', pos)) != string::npos; last_pos = pos)
 571                         quoted += raw.substr(last_pos, ++pos - last_pos) + '_';
 572                 quoted += raw.substr(last_pos);
 573
 574                 recent_files_menu->items().push_back(Gtk::Menu_Helpers::MenuElem(quoted,
 575                         sigc::hide_return(sigc::bind(sigc::ptr_fun(&App::open),*iter))
 576                 ));
 577         }
 578
 579         // HACK
 580         show();
 581 }
 582
 583 void
 584 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)
 585 {
 586         // We will make this true once we have a solid drop
 587         bool success(false);
 588
 589         if ((selection_data_.get_length() >= 0) && (selection_data_.get_format() == 8))
 590         {
 591                 synfig::String selection_data((gchar *)(selection_data_.get_data()));
 592
 593                 // For some reason, GTK hands us a list of URLs separated
 594                 // by not only Carriage-Returns, but also Line-Feeds.
 595                 // Line-Feeds will mess us up. Remove all the line-feeds.
 596                 while(selection_data.find_first_of('\r')!=synfig::String::npos)
 597                         selection_data.erase(selection_data.begin()+selection_data.find_first_of('\r'));
 598
 599                 std::stringstream stream(selection_data);
 600
 601                 while(stream)
 602                 {
 603                         synfig::String filename,URI;
 604                         getline(stream,filename);
 605
 606                         // If we don't have a filename, move on.
 607                         if(filename.empty())
 608                                 continue;
 609
 610                         // Make sure this URL is of the "file://" type.
 611                         URI=String(filename.begin(),filename.begin()+sizeof("file://")-1);
 612                         if(URI!="file://")
 613                         {
 614                                 synfig::warning("Unknown URI (%s) in \"%s\"",URI.c_str(),filename.c_str());
 615                                 continue;
 616                         }
 617
 618                         // Strip the "file://" part from the filename
 619                         filename=synfig::String(filename.begin()+sizeof("file://")-1,filename.end());
 620
 621                         synfig::info("Attempting to open "+filename);
 622                         if(App::open(filename))
 623                                 success=true;
 624                         else
 625                                 synfig::error("Drop failed: Unable to open "+filename);
 626                 }
 627         }
 628         else
 629                 synfig::error("Drop failed: bad selection data");
 630
 631         // Finish the drag
 632         context->drag_finish(success, false, time);
 633 }
 634
 635 void
 636 Toolbox::dockable_registered(Dockable* x)
 637 {
 638         dock_dialogs->items().push_back(
 639                 Gtk::Menu_Helpers::MenuElem(
 640                         x->get_local_name(),
 641                         sigc::mem_fun(
 642                                 *x,
 643                                 &Dockable::present
 644                         )
 645                 )
 646         );
 647 }