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   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file dock_history.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **      Copyright (c) 2007, 2008 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 /* ========================================================================= */
  23
  24 /* === H E A D E R S ======================================================= */
  25
  26 #ifdef USING_PCH
  27 #       include "pch.h"
  28 #else
  29 #ifdef HAVE_CONFIG_H
  30 #       include <config.h>
  31 #endif
  32
  33 #include "dock_history.h"
  34 #include "app.h"
  35
  36
  37
  38 #include <gtkmm/scrolledwindow.h>
  39 #include <cassert>
  40 #include "instance.h"
  41 #include <sigc++/signal.h>
  42 #include <sigc++/hide.h>
  43 #include <sigc++/slot.h>
  44 #include <synfigapp/action.h>
  45 #include "historytreestore.h"
  46
  47 #include "general.h"
  48
  49 #endif
  50
  51 /* === U S I N G =========================================================== */
  52
  53 using namespace std;
  54 using namespace etl;
  55 using namespace synfig;
  56 using namespace studio;
  57
  58 /* === M A C R O S ========================================================= */
  59 #define COLUMNID_JUMP           (787584)
  60 #define ColumnID        int
  61
  62 /* === G L O B A L S ======================================================= */
  63
  64 /* === P R O C E D U R E S ================================================= */
  65
  66 /* === M E T H O D S ======================================================= */
  67
  68 Dock_History::Dock_History():
  69         Dock_CanvasSpecific("history",_("History"),Gtk::StockID("gtk-undo")),
  70         action_group(Gtk::ActionGroup::create())
  71 {
  72         App::signal_instance_deleted().connect(sigc::mem_fun(*this,&studio::Dock_History::delete_instance));
  73         App::signal_instance_selected().connect(sigc::mem_fun(*this,&studio::Dock_History::set_selected_instance_signal));
  74
  75         action_group->add(Gtk::Action::create(
  76                 "clear-undo",
  77                 Gtk::StockID("synfig-clear_undo"),
  78                 _("Clear Undo Stack"),
  79                 _("Clear the undo stack")
  80         ),
  81                 sigc::mem_fun(
  82                         *this,
  83                         &Dock_History::clear_undo
  84                 )
  85         );
  86         action_group->add(Gtk::Action::create(
  87                 "clear-redo",
  88                 Gtk::StockID("synfig-clear_redo"),
  89                 _("Clear Redo Stack"),
  90                 _("Clear the redo stack")
  91         ),
  92                 sigc::mem_fun(
  93                         *this,
  94                         &Dock_History::clear_redo
  95                 )
  96         );
  97         action_group->add(Gtk::Action::create(
  98                 "clear-undo-and-redo",
  99                 Gtk::Stock::CLEAR,
 100                 _("Clear Undo and Redo Stacks"),
 101                 _("Clear the undo and redo stacks")
 102         ),
 103                 sigc::mem_fun(
 104                         *this,
 105                         &Dock_History::clear_undo_and_redo
 106                 )
 107         );
 108         action_group->add(Gtk::Action::create(
 109                 "undo",
 110                 Gtk::StockID("gtk-undo"),
 111                 _("Undo"),
 112                 _("Undo the previous action")
 113         ),
 114                 sigc::ptr_fun(studio::App::undo)
 115         );
 116         action_group->add(Gtk::Action::create(
 117                 "redo",
 118                 Gtk::StockID("gtk-redo"),
 119                 _("Redo"),
 120                 _("Redo the previously undone action")
 121         ),
 122                 sigc::ptr_fun(studio::App::redo)
 123         );
 124
 125         action_group->add( Gtk::Action::create("toolbar-history", _("History")) );
 126         App::ui_manager()->insert_action_group(action_group);
 127
 128         Glib::ustring ui_info =
 129         "<ui>"
 130         "       <toolbar action='toolbar-history'>"
 131         "       <toolitem action='undo' />"
 132         "       <toolitem action='redo' />"
 133         "       <toolitem action='clear-undo' />"
 134         "       <toolitem action='clear-redo' />"
 135         "       <toolitem action='clear-undo-and-redo' />"
 136         "       </toolbar>"
 137         "</ui>"
 138         ;
 139
 140         App::ui_manager()->add_ui_from_string(ui_info);
 141
 142         action_group->set_sensitive(false);
 143
 144         set_toolbar(*dynamic_cast<Gtk::Toolbar*>(App::ui_manager()->get_widget("/toolbar-history")));
 145         add(*create_action_tree());
 146
 147         /*
 148         add_button(
 149                 Gtk::StockID("synfig-clear_undo"),
 150                 _("Clear the UNDO Stack")
 151         )->signal_clicked().connect(
 152                 sigc::mem_fun(
 153                         *this,
 154                         &Dock_History::clear_undo
 155                 )
 156         );
 157         add_button(
 158                 Gtk::StockID("synfig-clear_redo"),
 159                 _("Clear the REDO Stack")
 160         )->signal_clicked().connect(
 161                 sigc::mem_fun(
 162                         *this,
 163                         &Dock_History::clear_redo
 164                 )
 165         );
 166         */
 167 }
 168
 169 Dock_History::~Dock_History()
 170 {
 171 }
 172
 173 void
 174 Dock_History::init_instance_vfunc(etl::loose_handle<Instance> instance)
 175 {
 176         instance->signal_undo_redo_status_changed().connect(
 177                 sigc::mem_fun(*this,&Dock_History::update_undo_redo)
 178         );
 179 }
 180
 181 Gtk::Widget*
 182 Dock_History::create_action_tree()
 183 {
 184         studio::HistoryTreeStore::Model history_tree_model;
 185         action_tree=manage(new class Gtk::TreeView());
 186         {
 187                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column("") );
 188
 189                 Gtk::CellRendererToggle* toggle_cr = Gtk::manage( new Gtk::CellRendererToggle() );
 190                 toggle_cr->signal_toggled().connect(sigc::mem_fun(*this, &studio::Dock_History::on_action_toggle) );
 191
 192                 column->pack_start(*toggle_cr); //false = don't expand.
 193                 column->add_attribute(toggle_cr->property_active(),history_tree_model.is_active);
 194                 column->set_resizable();
 195                 column->set_clickable();
 196
 197                 action_tree->append_column(*column);
 198         }
 199         /*{
 200                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Canvas")) );
 201                 Gtk::CellRendererText *text_cr=Gtk::manage(new Gtk::CellRendererText());
 202                 text_cr->property_foreground()=Glib::ustring("#7f7f7f");
 203
 204                 column->pack_start(*text_cr);
 205                 column->add_attribute(text_cr->property_text(),history_tree_model.canvas_id);
 206                 column->add_attribute(text_cr->property_foreground_set(),history_tree_model.is_redo);
 207
 208                 action_tree->append_column(*column);
 209         }*/
 210         {
 211                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Jump")) );
 212
 213                 Gtk::CellRendererText* cell_renderer_jump=Gtk::manage(new Gtk::CellRendererText());
 214                 column->pack_start(*cell_renderer_jump,true);
 215
 216                 cell_renderer_jump->property_text()=_("(JMP)");
 217                 cell_renderer_jump->property_foreground()="#003a7f";
 218
 219                 column->set_resizable();
 220                 column->set_clickable();
 221
 222                 column->set_sort_column(COLUMNID_JUMP);
 223
 224                 action_tree->append_column(*column);
 225                 //column->clicked();
 226         }
 227         {
 228                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Action")) );
 229
 230                 Gtk::CellRendererText *text_cr=Gtk::manage(new Gtk::CellRendererText());
 231                 text_cr->property_foreground()=Glib::ustring("#7f7f7f");
 232
 233
 234
 235                 //column->pack_start(history_tree_model.icon, false); //false = don't expand.
 236                 column->pack_start(*text_cr);
 237                 column->add_attribute(text_cr->property_text(),history_tree_model.name);
 238                 column->add_attribute(text_cr->property_foreground_set(),history_tree_model.is_redo);
 239
 240                 action_tree->append_column(*column);
 241         }
 242
 243         action_tree->set_enable_search(true);
 244         action_tree->set_search_column(history_tree_model.name);
 245         action_tree->set_search_equal_func(sigc::ptr_fun(&studio::HistoryTreeStore::search_func));
 246
 247         action_tree->set_rules_hint();
 248 //      action_tree->signal_row_activated().connect(sigc::mem_fun(*this,&Dock_History::on_row_activate));
 249         action_tree->signal_event().connect(sigc::mem_fun(*this,&Dock_History::on_action_event));
 250 //      action_tree->add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
 251 //      action_tree->add_events(Gdk::BUTTON1_MOTION_MASK);
 252         action_tree->show();
 253
 254         Gtk::ScrolledWindow *scrolledwindow = manage(new class Gtk::ScrolledWindow());
 255         scrolledwindow->set_flags(Gtk::CAN_FOCUS);
 256         scrolledwindow->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 257         scrolledwindow->add(*action_tree);
 258         scrolledwindow->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
 259         scrolledwindow->show_all();
 260
 261 /*      {
 262                 Gtk::Widget& widget(*action_tree);
 263                 Pango::FontDescription font(widget.get_modifier_style()->get_font());
 264                 font.set_size(Pango::SCALE*5);
 265                 widget.get_modifier_style()->set_font(font);
 266                 widget.modify_font(font);
 267         }
 268 */
 269         return scrolledwindow;
 270 }
 271
 272 void
 273 Dock_History::clear_undo()
 274 {
 275         if(selected_instance && App::dialog_yes_no(_("Clear History"),
 276                         _("You will not be able to undo any changes that you have made!\nAre you sure you want to clear the undo stack?")))
 277                 selected_instance->clear_undo_stack();
 278 }
 279
 280 void
 281 Dock_History::clear_redo()
 282 {
 283         if(selected_instance && App::dialog_yes_no(_("Clear History"),
 284                         _("You will not be able to redo any changes that you have made!\nAre you sure you want to clear the redo stack?")))
 285                 selected_instance->clear_redo_stack();
 286 }
 287
 288 void
 289 Dock_History::clear_undo_and_redo()
 290 {
 291         if(selected_instance && App::dialog_yes_no(_("Clear History"),
 292                         _("You will not be able to undo or redo any changes that you have made!\nAre you sure you want to clear the undo and redo stacks?")))
 293         {
 294                 selected_instance->clear_undo_stack();
 295                 selected_instance->clear_redo_stack();
 296         }
 297 }
 298
 299 void
 300 Dock_History::update_undo_redo()
 301 {
 302         etl::handle<Instance> instance=App::get_selected_instance();
 303         if(instance)
 304         {
 305                 action_group->get_action("undo")->set_sensitive(instance->get_undo_status());
 306                 action_group->get_action("clear-undo")->set_sensitive(instance->get_undo_status());
 307                 action_group->get_action("redo")->set_sensitive(instance->get_redo_status());
 308                 action_group->get_action("clear-redo")->set_sensitive(instance->get_redo_status());
 309                 action_group->get_action("clear-undo-and-redo")->set_sensitive(instance->get_undo_status() || instance->get_redo_status());
 310         }
 311 }
 312
 313 void
 314 Dock_History::on_undo_tree_changed()
 315 {
 316         Gtk::TreeModel::Children children(selected_instance->history_tree_store()->children());
 317
 318         if (!children.size())
 319                 return;
 320
 321         studio::HistoryTreeStore::Model model;
 322
 323         Gtk::TreeModel::Children::iterator iter, prev = children.end();
 324         for (iter = children.begin(); iter != children.end(); prev = iter++)
 325                 if ((*iter)[model.is_redo])
 326                 {
 327                         if (prev == children.end())
 328                                 action_tree->get_selection()->unselect_all();
 329                         else
 330                         {
 331                                 action_tree->scroll_to_row(Gtk::TreePath(prev), 0.5);
 332                                 action_tree->get_selection()->select(prev);
 333                         }
 334                         return;
 335                 }
 336
 337         action_tree->scroll_to_row(Gtk::TreePath(prev), 0.5);
 338         action_tree->get_selection()->select(prev);
 339 }
 340
 341 void
 342 Dock_History::set_selected_instance_(etl::handle<studio::Instance> instance)
 343 {
 344         if(studio::App::shutdown_in_progress)
 345                 return;
 346
 347         if (on_undo_tree_changed_connection)
 348                 on_undo_tree_changed_connection.disconnect();
 349
 350         selected_instance=instance;
 351         if(instance)
 352         {
 353                 on_undo_tree_changed_connection = selected_instance->history_tree_store()->signal_undo_tree_changed().connect(
 354                         sigc::mem_fun(*this,&Dock_History::on_undo_tree_changed));
 355
 356                 action_tree->set_model(instance->history_tree_store());
 357                 action_tree->show();
 358                 update_undo_redo();
 359                 action_group->set_sensitive(true);
 360         }
 361         else
 362         {
 363                 action_tree->set_model(Glib::RefPtr< Gtk::TreeModel >());
 364                 action_tree->hide();
 365                 action_group->set_sensitive(false);
 366         }
 367 }
 368
 369 void
 370 Dock_History::set_selected_instance_signal(etl::handle<studio::Instance> x)
 371 {
 372         set_selected_instance(x);
 373 }
 374
 375 void
 376 Dock_History::set_selected_instance(etl::loose_handle<studio::Instance> x)
 377 {
 378         if(studio::App::shutdown_in_progress)
 379                 return;
 380
 381         // if it's already selected, don't select it again
 382         if (x==selected_instance)
 383                 return;
 384
 385         std::list<etl::handle<studio::Instance> >::iterator iter;
 386
 387         set_selected_instance_(x);
 388 }
 389
 390 void
 391 Dock_History::delete_instance(etl::handle<studio::Instance> instance)
 392 {
 393         if(studio::App::shutdown_in_progress)
 394                 return;
 395
 396         if(selected_instance==instance)
 397         {
 398                 set_selected_instance(0);
 399         }
 400 }
 401
 402 bool
 403 Dock_History::on_action_event(GdkEvent *event)
 404 {
 405         studio::HistoryTreeStore::Model model;
 406     switch(event->type)
 407     {
 408         case GDK_BUTTON_PRESS:
 409         case GDK_2BUTTON_PRESS:
 410                 {
 411                         Gtk::TreeModel::Path path;
 412                         Gtk::TreeViewColumn *column;
 413                         int cell_x, cell_y;
 414                         if(!action_tree->get_path_at_pos(
 415                                 int(event->button.x),int(event->button.y),      // x, y
 416                                 path, // TreeModel::Path&
 417                                 column, //TreeViewColumn*&
 418                                 cell_x,cell_y //int&cell_x,int&cell_y
 419                                 )
 420                         ) break;
 421                         const Gtk::TreeRow row = *(action_tree->get_model()->get_iter(path));
 422
 423                         //signal_user_click()(event->button.button,row,(ColumnID)column->get_sort_column_id());
 424                         if((ColumnID)column->get_sort_column_id()==COLUMNID_JUMP)
 425                         {
 426                                 etl::handle<synfigapp::Action::Undoable> action(row[model.action]);
 427                                 try{
 428                                 if((bool)row[model.is_undo])
 429                                 {
 430                                         while(get_selected_instance()->undo_action_stack().size() && get_selected_instance()->undo_action_stack().front()!=action)
 431                                                 if(get_selected_instance()->undo()==false)
 432                                                         throw int();
 433                                 }
 434                                 else if((bool)row[model.is_redo])
 435                                 {
 436                                         while(get_selected_instance()->redo_action_stack().size() && get_selected_instance()->undo_action_stack().front()!=action)
 437                                                 if(get_selected_instance()->redo()==false)
 438                                                         throw int();
 439                                 }
 440                                 }
 441                                 catch(int)
 442                                 {
 443                                         return true;
 444                                 }
 445                         }
 446                 }
 447
 448         case GDK_BUTTON_RELEASE:
 449                 break;
 450         default:
 451                 break;
 452         }
 453         return false;
 454 }
 455
 456 void
 457 Dock_History::on_action_toggle(const Glib::ustring& path_string)
 458 {
 459         studio::HistoryTreeStore::Model history_tree_model;
 460
 461         Gtk::TreePath path(path_string);
 462
 463         const Gtk::TreeRow row = *(selected_instance->history_tree_store()->get_iter(path));
 464
 465         handle<synfigapp::Action::Undoable> action=row[history_tree_model.action];
 466
 467         selected_instance->synfigapp::Instance::set_action_status(action,!action->is_active());
 468 }