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 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 static void
 196 show_dialog_color()
 197 {
 198         App::dialog_color->present();
 199 }
 200
 201 Toolbox::Toolbox():
 202         Gtk::Window(Gtk::WINDOW_TOPLEVEL),
 203         dialog_settings(this,"toolbox")
 204 {
 205         GRAB_HINT_DATA(
 206                 "toolbox",
 207 //#ifdef __APPLE__
 208                 Gdk::WINDOW_TYPE_HINT_NORMAL
 209 //#else
 210 //              Gdk::WINDOW_TYPE_HINT_UTILITY
 211 //#endif
 212         );
 213         set_keep_above(false);
 214         set_role("toolbox");
 215
 216
 217
 218         recent_files_menu= manage(new class Gtk::Menu());
 219
 220         Gtk::Menu       *filemenu       =manage(new class Gtk::Menu());
 221
 222         dock_dialogs=manage(new class Gtk::Menu());
 223
 224         dock_dialogs->items().push_back(Gtk::Menu_Helpers::MenuElem("Canvases, History",sigc::ptr_fun(_create_stock_dialog1)));
 225         dock_dialogs->items().push_back(Gtk::Menu_Helpers::MenuElem("Layers, Children, Params",sigc::ptr_fun(_create_stock_dialog2)));
 226         dock_dialogs->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 227
 228
 229         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::NEW,
 230                 sigc::ptr_fun(&studio::App::new_instance)));
 231         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::OPEN,
 232                 sigc::ptr_fun(&studio::App::dialog_open)));
 233
 234         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Open Recent"),*recent_files_menu));
 235
 236         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-saveall"),
 237                 sigc::ptr_fun(&studio::App::dialog_not_implemented)));
 238         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::CLOSE,
 239                 sigc::ptr_fun(close_selected_instance)));
 240         filemenu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 241         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Dialogs"),*dock_dialogs));
 242
 243         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Canvas Browser..."),
 244         //      sigc::mem_fun(studio::App::show_comp_view)));
 245         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Gradient Editor..."),
 246         //      sigc::mem_fun(show_dialog_gradient)));
 247         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Tool Options"),
 248         //      sigc::mem_fun(show_dialog_tool_options)));
 249         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Colors..."),
 250         //      sigc::mem_fun(show_dialog_color)));
 251         //filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Color Palette..."),
 252         //      sigc::mem_fun(show_dialog_palette)));
 253         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Input Devices..."),
 254                 sigc::ptr_fun(&show_dialog_input)));
 255         filemenu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("Setup..."),
 256                 sigc::ptr_fun(&studio::App::show_setup)));
 257
 258         filemenu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 259         filemenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID(Gtk::Stock::QUIT),
 260                 sigc::ptr_fun(studio::App::quit)));
 261
 262         Gtk::Menu       *helpmenu = manage(new class Gtk::Menu());
 263         helpmenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::Stock::HELP,
 264                 sigc::ptr_fun(studio::App::dialog_not_implemented)));
 265         helpmenu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 266         helpmenu->items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-about"),
 267                 sigc::ptr_fun(studio::App::dialog_about)));
 268
 269         Gtk::MenuBar *menubar1 = manage(new class Gtk::MenuBar());
 270         menubar1->items().push_back(Gtk::Menu_Helpers::MenuElem("_File",*filemenu));
 271         menubar1->items().push_back(Gtk::Menu_Helpers::MenuElem("_Help",*helpmenu));
 272
 273
 274         menubar1->show();
 275
 276         Gtk::Image *icon;
 277
 278         ADD_TOOLBOX_BUTTON(button_new,"gtk-new","New...");
 279         ADD_TOOLBOX_BUTTON(button_open,"gtk-open","Open...");
 280         ADD_TOOLBOX_BUTTON(button_save,"gtk-save","Save");
 281         ADD_TOOLBOX_BUTTON(button_saveas,"gtk-save-as","Save as...");
 282         ADD_TOOLBOX_BUTTON(button_save_all,"synfig-saveall","Save All");
 283         TOOLBOX_BUTTON(button_undo,"gtk-undo","Undo");
 284         TOOLBOX_BUTTON(button_redo,"gtk-redo","Redo");
 285         ADD_TOOLBOX_BUTTON(button_about,"synfig-about","About Synfig Studio");
 286         ADD_TOOLBOX_BUTTON(button_color,"synfig-color","Color Dialog");
 287
 288         TOOLBOX_BUTTON(button_rotoscope_bline,"synfig-rotoscope_bline",_("Old Rotoscope BLine"));
 289         TOOLBOX_BUTTON(button_rotoscope_polygon,"synfig-rotoscope_polygon",_("Rotoscope Polygon"));
 290         TOOLBOX_BUTTON(button_eyedrop,"synfig-eyedrop",_("Eyedrop Tool"));
 291         TOOLBOX_BUTTON(button_rotoscope,"synfig-rotoscope_bline",_("Rotoscope 2"));
 292
 293
 294
 295         button_about->signal_clicked().connect(sigc::ptr_fun(studio::App::dialog_about));
 296         button_new->signal_clicked().connect(sigc::ptr_fun(studio::App::new_instance));
 297         button_open->signal_clicked().connect(sigc::ptr_fun(studio::App::dialog_open));
 298         button_save->signal_clicked().connect(sigc::ptr_fun(save_selected_instance));
 299         button_saveas->signal_clicked().connect(sigc::ptr_fun(save_as_selected_instance));
 300         button_save_all->signal_clicked().connect(sigc::ptr_fun(save_all));
 301         button_undo->signal_clicked().connect(sigc::ptr_fun(studio::App::undo));
 302         button_redo->signal_clicked().connect(sigc::ptr_fun(studio::App::redo));
 303         button_color->signal_clicked().connect(sigc::ptr_fun(show_dialog_color));
 304
 305         // Create the file button cluster
 306         Gtk::Table *file_buttons=manage(new class Gtk::Table(4, 4, false));
 307
 308         file_buttons->attach(*button_new,      0,1, 0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 309         file_buttons->attach(*button_open,     1,2, 0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 310         file_buttons->attach(*button_save,     2,3, 0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 311         file_buttons->attach(*button_saveas,   3,4, 0,1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 312
 313         file_buttons->attach(*button_save_all, 0,1, 1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 314         file_buttons->attach(*button_undo,     1,2, 1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 315         file_buttons->attach(*button_redo,     2,3, 1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 316         file_buttons->attach(*button_about,    3,4, 1,2, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 317
 318         file_buttons->show();
 319
 320         tool_table=manage(new class Gtk::Table(4, 4, false));
 321         tool_table->show();
 322         Gtk::HandleBox* handle_tools(manage(new Gtk::HandleBox()));
 323         handle_tools->add(*tool_table);
 324         handle_tools->show();
 325         handle_tools->set_handle_position(Gtk::POS_TOP);
 326         handle_tools->set_snap_edge(Gtk::POS_TOP);
 327
 328         Widget_Defaults* widget_defaults(manage(new Widget_Defaults()));
 329         widget_defaults->show();
 330         Gtk::HandleBox* handle_defaults(manage(new Gtk::HandleBox()));
 331         handle_defaults->add(*widget_defaults);
 332         handle_defaults->show();
 333         handle_defaults->set_handle_position(Gtk::POS_TOP);
 334         handle_defaults->set_snap_edge(Gtk::POS_TOP);
 335
 336         // Create the toplevel table
 337         Gtk::Table *table1 = manage(new class Gtk::Table(1, 2, false));
 338         table1->set_row_spacings(0);
 339         table1->set_col_spacings(0);
 340         table1->attach(*menubar1,        0,1, 0,1, Gtk::FILL|Gtk::EXPAND, Gtk::SHRINK, 0, 0);
 341         table1->attach(*file_buttons,    0,1, 1,2, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 342         //table1->attach(*manage(new Gtk::Label(_("Tools"))), 0, 1, 2, 3, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 343         table1->attach(*handle_tools,    0,1, 3,4, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 344         table1->attach(*handle_defaults, 0,1, 4,5, Gtk::FILL|Gtk::EXPAND,Gtk::EXPAND|Gtk::FILL, 0, 0);
 345         table1->show_all();
 346
 347
 348
 349         // Set the parameters for this window
 350         add(*table1);
 351         set_title("Synfig Studio");
 352         set_modal(false);
 353         property_window_position().set_value(Gtk::WIN_POS_NONE);
 354         signal_delete_event().connect(sigc::ptr_fun(App::shutdown_request));
 355         set_resizable(false);
 356
 357
 358
 359         App::signal_instance_selected().connect(
 360                 sigc::hide(
 361                         sigc::mem_fun(*this,&studio::Toolbox::update_undo_redo)
 362                 )
 363         );
 364
 365         App::signal_recent_files_changed().connect(
 366                         sigc::mem_fun(*this,&studio::Toolbox::on_recent_files_changed)
 367         );
 368
 369         button_undo->set_sensitive(false);
 370         button_redo->set_sensitive(false);
 371         button_rotoscope_bline->set_sensitive(false);
 372         button_rotoscope->set_sensitive(false);
 373         button_rotoscope_polygon->set_sensitive(false);
 374         button_eyedrop->set_sensitive(false);
 375
 376
 377         std::list<Gtk::TargetEntry> listTargets;
 378         listTargets.push_back( Gtk::TargetEntry("text/plain") );
 379         listTargets.push_back( Gtk::TargetEntry("image") );
 380 //      listTargets.push_back( Gtk::TargetEntry("image/x-sif") );
 381
 382         drag_dest_set(listTargets);
 383         signal_drag_data_received().connect( sigc::mem_fun(*this, &studio::Toolbox::on_drop_drag_data_received) );
 384
 385         App::dock_manager->signal_dockable_registered().connect(sigc::mem_fun(*this,&Toolbox::dockable_registered));
 386
 387         changing_state_=false;
 388
 389
 390         add_accel_group(App::ui_manager()->get_accel_group());
 391
 392         App::signal_present_all().connect(sigc::mem_fun0(*this,&Toolbox::present));
 393 }
 394
 395 Toolbox::~Toolbox()
 396 {
 397         hide();
 398         //studio::App::cb.task("Toolbox: I was nailed!");
 399         //studio::App::quit();
 400
 401         if(studio::App::toolbox==this)
 402                 studio::App::toolbox=NULL;
 403
 404 }
 405
 406 void
 407 Toolbox::set_active_state(const String& statename)
 408 {
 409         std::map<synfig::String,Gtk::ToggleButton *>::iterator iter;
 410
 411         changing_state_=true;
 412
 413         synfigapp::Main::set_state(statename);
 414
 415         try
 416         {
 417
 418                 for(iter=state_button_map.begin();iter!=state_button_map.end();++iter)
 419                 {
 420                         if(iter->first==statename)
 421                         {
 422                                 if(!iter->second->get_active())
 423                                         iter->second->set_active(true);
 424                         }
 425                         else
 426                         {
 427                                 if(iter->second->get_active())
 428                                         iter->second->set_active(false);
 429                         }
 430                 }
 431         }
 432         catch(...)
 433         {
 434                 changing_state_=false;
 435                 throw;
 436         }
 437         changing_state_=false;
 438 }
 439
 440 void
 441 Toolbox::change_state(const synfig::String& statename)
 442 {
 443         etl::handle<studio::CanvasView> canvas_view(studio::App::get_selected_canvas_view());
 444         if(canvas_view)
 445         {
 446                 if(statename==canvas_view->get_smach().get_state_name())
 447                 {
 448                         return;
 449                 }
 450
 451                 if(state_button_map.count(statename))
 452                 {
 453                         state_button_map[statename]->clicked();
 454                 }
 455                 else
 456                 {
 457                         synfig::error("Unknown state \"%s\"",statename.c_str());
 458                 }
 459         }
 460 }
 461
 462 void
 463 Toolbox::change_state_(const Smach::state_base *state)
 464 {
 465         if(changing_state_)
 466                 return;
 467         changing_state_=true;
 468
 469         try
 470         {
 471                 etl::handle<studio::CanvasView> canvas_view(studio::App::get_selected_canvas_view());
 472                 if(canvas_view)
 473                 {
 474                         if(state->get_name()==String("normal"))
 475                         {
 476                                 canvas_view->get_smach().egress();
 477                         }
 478                         else
 479                         {
 480                                 canvas_view->get_smach().enter(state);
 481                         }
 482                 }
 483                 else
 484                         refresh();
 485         }
 486         catch(...)
 487         {
 488                 changing_state_=false;
 489                 throw;
 490         }
 491
 492         changing_state_=false;
 493 }
 494
 495 void
 496 Toolbox::add_state(const Smach::state_base *state)
 497 {
 498         Gtk::Image *icon;
 499
 500         assert(state);
 501
 502         String name=state->get_name();
 503
 504         Gtk::ToggleButton* button;
 505         button=manage(new class Gtk::ToggleButton());
 506
 507         icon=manage(new Gtk::Image(Gtk::StockID("synfig-"+name),Gtk::IconSize(4)));
 508         button->add(*icon);
 509         tooltips.set_tip(*button,name);
 510         icon->show();
 511         button->show();
 512
 513
 514
 515
 516         int row=state_button_map.size()/4;
 517         int col=state_button_map.size()%4;
 518
 519         tool_table->attach(*button,col,col+1,row,row+1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 520
 521         state_button_map[name]=button;
 522
 523         button->signal_clicked().connect(
 524                 sigc::bind(
 525                         sigc::mem_fun(*this,&studio::Toolbox::change_state_),
 526                         state
 527                 )
 528         );
 529
 530
 531         refresh();
 532 }
 533
 534
 535 void
 536 Toolbox::update_undo_redo()
 537 {
 538         etl::handle<Instance> instance=App::get_selected_instance();
 539         if(instance)
 540         {
 541                 button_undo->set_sensitive(instance->get_undo_status());
 542                 button_redo->set_sensitive(instance->get_redo_status());
 543         }
 544
 545         // This should probably go elsewhere, but it should
 546         // work fine here with no troubles.
 547         // These next several lines just adjust the rotoscope buttons
 548         // so that they are only clickable when they should be.
 549         if(instance && App::get_selected_canvas_view())
 550         {
 551                 std::map<synfig::String,Gtk::ToggleButton *>::iterator iter;
 552
 553                 for(iter=state_button_map.begin();iter!=state_button_map.end();++iter)
 554                         iter->second->set_sensitive(true);
 555         }
 556         else
 557         {
 558                 std::map<synfig::String,Gtk::ToggleButton *>::iterator iter;
 559
 560                 for(iter=state_button_map.begin();iter!=state_button_map.end();++iter)
 561                         iter->second->set_sensitive(false);
 562         }
 563
 564         etl::handle<CanvasView> canvas_view=App::get_selected_canvas_view();
 565         if(canvas_view && canvas_view->get_smach().get_state_name())
 566         {
 567                 set_active_state(canvas_view->get_smach().get_state_name());
 568         }
 569         else
 570                 set_active_state("none");
 571
 572 }
 573
 574 void
 575 Toolbox::on_recent_files_changed()
 576 {
 577         while(recent_files_menu->get_children().size())
 578                 recent_files_menu->remove(**recent_files_menu->get_children().begin());
 579
 580         list<string>::const_iterator iter;
 581         // Check to see if the file is already on the list.
 582         // If it is, then remove it from the list
 583         for(iter=App::get_recent_files().begin();iter!=App::get_recent_files().end();iter++)
 584                 recent_files_menu->items().push_back(Gtk::Menu_Helpers::MenuElem(basename(*iter),
 585                         sigc::hide_return(sigc::bind(sigc::ptr_fun(&App::open),*iter))
 586                 ));
 587
 588         // HACK
 589         show();
 590 }
 591
 592 void
 593 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)
 594 {
 595         // We will make this true once we have a solid drop
 596         bool success(false);
 597
 598         if ((selection_data_.get_length() >= 0) && (selection_data_.get_format() == 8))
 599         {
 600                 synfig::String selection_data((gchar *)(selection_data_.get_data()));
 601
 602                 // For some reason, GTK hands us a list of URL's seperated
 603                 // by not only Carrage-Returns, but also Line-Feeds.
 604                 // Line-Feeds will mess us up. Remove all the line-feeds.
 605                 while(selection_data.find_first_of('\r')!=synfig::String::npos)
 606                         selection_data.erase(selection_data.begin()+selection_data.find_first_of('\r'));
 607
 608                 std::stringstream stream(selection_data);
 609
 610                 while(stream)
 611                 {
 612                         synfig::String filename,URI;
 613                         getline(stream,filename);
 614
 615                         // If we don't have a filename, move on.
 616                         if(filename.empty())
 617                                 continue;
 618
 619                         // Make sure this URL is of the "file://" type.
 620                         URI=String(filename.begin(),filename.begin()+sizeof("file://")-1);
 621                         if(URI!="file://")
 622                         {
 623                                 synfig::warning("Unknown URI (%s) in \"%s\"",URI.c_str(),filename.c_str());
 624                                 continue;
 625                         }
 626
 627                         // Strip the "file://" part from the filename
 628                         filename=synfig::String(filename.begin()+sizeof("file://")-1,filename.end());
 629
 630                         synfig::info("Attempting to open "+filename);
 631                         if(App::open(filename))
 632                                 success=true;
 633                         else
 634                                 synfig::error("Drop failed: Unable to open "+filename);
 635                 }
 636         }
 637         else
 638                 synfig::error("Drop failed: bad selection data");
 639
 640         // Finish the drag
 641         context->drag_finish(success, false, time);
 642 }
 643
 644 void
 645 Toolbox::dockable_registered(Dockable* x)
 646 {
 647         dock_dialogs->items().push_back(
 648                 Gtk::Menu_Helpers::MenuElem(
 649                         x->get_local_name(),
 650                         sigc::mem_fun(
 651                                 *x,
 652                                 &Dockable::present
 653                         )
 654                 )
 655         );
 656 }