Remove ancient trunk folder from svn repository
[synfig.git] / synfig-studio / src / gtkmm / layeractionmanager.cpp
diff --git a/synfig-studio/src/gtkmm/layeractionmanager.cpp b/synfig-studio/src/gtkmm/layeractionmanager.cpp
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+/* === S Y N F I G ========================================================= */
+/*!    \file layeractionmanager.cpp
+**     \brief Template File
+**
+**     $Id$
+**
+**     \legal
+**     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**     Copyright (c) 2007, 2008 Chris Moore
+**
+**     This package is free software; you can redistribute it and/or
+**     modify it under the terms of the GNU General Public License as
+**     published by the Free Software Foundation; either version 2 of
+**     the License, or (at your option) any later version.
+**
+**     This package is distributed in the hope that it will be useful,
+**     but WITHOUT ANY WARRANTY; without even the implied warranty of
+**     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+**     General Public License for more details.
+**     \endlegal
+*/
+/* ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+#      include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+#      include <config.h>
+#endif
+
+#include "layeractionmanager.h"
+#include "layertree.h"
+#include <synfig/context.h>
+#include <synfig/layer_pastecanvas.h>
+#include <synfigapp/action_param.h>
+#include "instance.h"
+#include <synfigapp/selectionmanager.h>
+
+#include "general.h"
+
+#endif
+
+/* === U S I N G =========================================================== */
+
+using namespace std;
+using namespace etl;
+using namespace synfig;
+using namespace studio;
+
+static const guint no_prev_popup((guint)-1);
+
+/* === M A C R O S ========================================================= */
+
+//#define ONE_ACTION_GROUP 1
+
+/* === G L O B A L S ======================================================= */
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+LayerActionManager::LayerActionManager():
+       action_group_(Gtk::ActionGroup::create()),
+       popup_id_(no_prev_popup),
+       action_group_copy_paste(Gtk::ActionGroup::create()),
+       queued(false)
+{
+       action_cut_=Gtk::Action::create(
+               "cut",
+               Gtk::StockID("gtk-cut")
+       );
+       action_cut_->signal_activate().connect(
+               sigc::mem_fun(
+                       *this,
+                       &LayerActionManager::cut
+               )
+       );
+       action_copy_=Gtk::Action::create(
+               "copy",
+               Gtk::StockID("gtk-copy")
+       );
+       action_copy_->signal_activate().connect(
+               sigc::mem_fun(
+                       *this,
+                       &LayerActionManager::copy
+               )
+       );
+       action_paste_=Gtk::Action::create(
+               "paste",
+               Gtk::StockID("gtk-paste")
+       );
+       action_paste_->signal_activate().connect(
+               sigc::mem_fun(
+                       *this,
+                       &LayerActionManager::paste
+               )
+       );
+
+
+       action_amount_inc_=Gtk::Action::create(
+               "amount-inc",
+               Gtk::StockID("gtk-add"),
+               _("Increase Amount"),_("Increase Amount")
+       );
+       action_amount_inc_->signal_activate().connect(
+               sigc::mem_fun(
+                       *this,
+                       &LayerActionManager::amount_inc
+               )
+       );
+
+       action_amount_dec_=Gtk::Action::create(
+               "amount-dec",
+               Gtk::StockID("gtk-remove"),
+               _("Decrease Amount"),_("Decrease Amount")
+       );
+       action_amount_dec_->signal_activate().connect(
+               sigc::mem_fun(
+                       *this,
+                       &LayerActionManager::amount_dec
+               )
+       );
+
+       action_amount_=Gtk::Action::create(
+               "amount",
+               Gtk::StockID("gtk-index"),
+               _("Amount"),_("Amount")
+       );
+
+       action_select_all_child_layers_=Gtk::Action::create(
+               "select-all-child-layers",
+               Gtk::StockID("synfig-select_all_child_layers"),
+               _("Select All Child Layers"),_("Select All Child Layers")
+       );
+       action_select_all_child_layers_->set_sensitive(false);
+}
+
+LayerActionManager::~LayerActionManager()
+{
+}
+
+void
+LayerActionManager::set_ui_manager(const Glib::RefPtr<Gtk::UIManager> &x)
+{
+       clear();
+
+#ifdef ONE_ACTION_GROUP
+       if(ui_manager_) get_ui_manager()->remove_action_group(action_group_);
+       ui_manager_=x;
+       if(ui_manager_) get_ui_manager()->insert_action_group(action_group_);
+#else
+       ui_manager_=x;
+#endif
+}
+
+void
+LayerActionManager::set_layer_tree(LayerTree* x)
+{
+       selection_changed_connection.disconnect();
+       layer_tree_=x;
+       if(layer_tree_)
+       {
+               selection_changed_connection=layer_tree_->get_selection()->signal_changed().connect(
+                       sigc::mem_fun(*this,&LayerActionManager::queue_refresh)
+               );
+       }
+}
+
+void
+LayerActionManager::set_canvas_interface(const etl::handle<synfigapp::CanvasInterface> &x)
+{
+       canvas_interface_=x;
+}
+
+void
+LayerActionManager::clear()
+{
+       if(ui_manager_)
+       {
+               // Clear out old stuff
+               if(popup_id_!=no_prev_popup)
+               {
+                       get_ui_manager()->remove_ui(popup_id_);
+                       if(action_group_)get_ui_manager()->ensure_update();
+                       popup_id_=no_prev_popup;
+                       if(action_group_)while(!action_group_->get_actions().empty())action_group_->remove(*action_group_->get_actions().begin());
+#ifdef ONE_ACTION_GROUP
+#else
+                       if(action_group_)get_ui_manager()->remove_action_group(action_group_);
+                       action_group_=Gtk::ActionGroup::create();
+#endif
+               }
+       }
+
+       while(!update_connection_list.empty())
+       {
+               update_connection_list.front().disconnect();
+               update_connection_list.pop_front();
+       }
+}
+
+void
+LayerActionManager::queue_refresh()
+{
+       if(queued)
+               return;
+
+       //queue_refresh_connection.disconnect();
+       queue_refresh_connection=Glib::signal_idle().connect(
+               sigc::bind_return(
+                       sigc::mem_fun(*this,&LayerActionManager::refresh),
+                       false
+               )
+       );
+
+       queued=true;
+}
+
+void
+LayerActionManager::refresh()
+{
+       if(queued)
+       {
+               queued=false;
+               //queue_refresh_connection.disconnect();
+       }
+
+
+       clear();
+
+       // Make sure we are ready
+       if(!ui_manager_ || !layer_tree_ || !canvas_interface_)
+       {
+               synfig::error("LayerActionManager::refresh(): Not ready!");
+               return;
+       }
+
+       String ui_info;
+
+       action_paste_->set_sensitive(!clipboard_.empty());
+       action_group_->add(action_paste_);
+
+       if(layer_tree_->get_selection()->count_selected_rows()!=0)
+       {
+               bool multiple_selected(layer_tree_->get_selection()->count_selected_rows()>1);
+               Layer::Handle layer(layer_tree_->get_selected_layer());
+
+               {
+                       bool canvas_set(false);
+                       synfigapp::Action::ParamList param_list;
+                       param_list.add("time",get_canvas_interface()->get_time());
+                       param_list.add("canvas_interface",get_canvas_interface());
+                       {
+                               synfigapp::SelectionManager::LayerList layer_list(layer_tree_->get_selected_layers());
+                               synfigapp::SelectionManager::LayerList::iterator iter;
+                               action_copy_->set_sensitive(!layer_list.empty());
+                               action_cut_->set_sensitive(!layer_list.empty());
+                               action_group_->add(action_copy_);
+                               action_group_->add(action_cut_);
+
+                               action_amount_inc_->set_sensitive(!layer_list.empty());
+                               action_amount_dec_->set_sensitive(!layer_list.empty());
+                               action_amount_->set_sensitive(!layer_list.empty());
+                               action_group_->add(action_amount_inc_);
+                               action_group_->add(action_amount_dec_);
+                               action_group_->add(action_amount_);
+
+                               for(iter=layer_list.begin();iter!=layer_list.end();++iter)
+                               {
+                                       update_connection_list.push_back(
+                                               (*iter)->signal_changed().connect(
+                                                       sigc::mem_fun(*this, &LayerActionManager::queue_refresh)
+                                               )
+                                       );
+
+                                       if(!canvas_set)
+                                       {
+                                               param_list.add("canvas",Canvas::Handle((*iter)->get_canvas()));
+                                               canvas_set=true;
+                                               update_connection_list.push_back(
+                                                       (*iter)->get_canvas()->signal_changed().connect(
+                                                               sigc::mem_fun(*this, &LayerActionManager::queue_refresh)
+                                                       )
+                                               );
+                                       }
+                                       param_list.add("layer",Layer::Handle(*iter));
+                               }
+                       }
+
+                       if(!multiple_selected && layer->get_name()=="PasteCanvas")
+                       {
+                               if (select_all_child_layers_connection)
+                                       select_all_child_layers_connection.disconnect();
+
+                               select_all_child_layers_connection = action_select_all_child_layers_->signal_activate().connect(
+                                       sigc::bind(sigc::mem_fun(*layer_tree_,
+                                                                                        &studio::LayerTree::select_all_children_layers),
+                                                          Layer::LooseHandle(layer)));
+
+                               action_select_all_child_layers_->set_sensitive(true);
+
+                               ui_info+="<menuitem action='select-all-child-layers'/>";
+                       }
+                       else
+                               action_select_all_child_layers_->set_sensitive(false);
+
+                       handle<studio::Instance>::cast_static(get_canvas_interface()->get_instance())->
+                               add_actions_to_group(action_group_, ui_info,   param_list, synfigapp::Action::CATEGORY_LAYER);
+               }
+       }
+
+       ui_info=("<ui>"
+                          "<popup action='menu-main'>"
+                            "<menu action='menu-layer'>" +
+                                  ui_info +
+                                  "<separator/>"
+                              "<menuitem action='cut' />"
+                                  "<menuitem action='copy' />"
+                                  "<menuitem action='paste' />"
+                                  "<separator/>"
+                            "</menu>"
+                          "</popup>" +
+                        "</ui>");
+       popup_id_=get_ui_manager()->add_ui_from_string(ui_info);
+#ifdef ONE_ACTION_GROUP
+#else
+       get_ui_manager()->insert_action_group(action_group_);
+#endif
+}
+
+void
+LayerActionManager::cut()
+{
+       copy();
+       if(action_group_->get_action("action-LayerRemove"))
+               action_group_->get_action("action-LayerRemove")->activate();
+}
+
+void
+LayerActionManager::copy()
+{
+       synfigapp::SelectionManager::LayerList layer_list(layer_tree_->get_selected_layers());
+       clipboard_.clear();
+       synfig::GUID guid;
+
+       while(!layer_list.empty())
+       {
+               clipboard_.push_back(layer_list.front()->clone(guid));
+               layer_list.pop_front();
+       }
+
+       action_paste_->set_sensitive(!clipboard_.empty());
+
+       //queue_refresh();
+}
+
+void
+LayerActionManager::paste()
+{
+       synfig::GUID guid;
+
+       // Create the action group
+       synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Paste"));
+
+       Canvas::Handle canvas(get_canvas_interface()->get_canvas());
+       int depth(0);
+
+       // we are temporarily using the layer to hold something
+       Layer::Handle layer(layer_tree_->get_selected_layer());
+       if(layer)
+       {
+               depth=layer->get_depth();
+               canvas=layer->get_canvas();
+       }
+
+       synfigapp::SelectionManager::LayerList layer_selection;
+
+       for(std::list<synfig::Layer::Handle>::iterator iter=clipboard_.begin();iter!=clipboard_.end();++iter)
+       {
+               layer=(*iter)->clone(guid);
+               layer_selection.push_back(layer);
+               synfigapp::Action::Handle       action(synfigapp::Action::create("LayerAdd"));
+
+               assert(action);
+               if(!action)
+                       return;
+
+               action->set_param("canvas",canvas);
+               action->set_param("canvas_interface",etl::loose_handle<synfigapp::CanvasInterface>(get_canvas_interface()));
+               action->set_param("new",layer);
+
+               if(!action->is_ready())
+               {
+                       return;
+               }
+
+               if(!get_instance()->perform_action(action))
+               {
+                       return;
+               }
+
+               etl::handle<Layer_PasteCanvas> paste = etl::handle<Layer_PasteCanvas>::cast_dynamic(layer);
+               if (paste) paste->update_renddesc();
+
+               // synfig::info("DEPTH=%d",depth);
+
+               // Action to move the layer (if necessary)
+               if(depth>0)
+               {
+                       synfigapp::Action::Handle       action(synfigapp::Action::create("LayerMove"));
+
+                       assert(action);
+                       if(!action)
+                               return;
+
+                       action->set_param("canvas",canvas);
+                       action->set_param("canvas_interface",etl::loose_handle<synfigapp::CanvasInterface>(get_canvas_interface()));
+                       action->set_param("layer",layer);
+                       action->set_param("new_index",depth);
+
+                       if(!action->is_ready())
+                       {
+                               //get_ui_interface()->error(_("Move Action Not Ready"));
+                               //return 0;
+                               return;
+                       }
+
+                       if(!get_instance()->perform_action(action))
+                       {
+                               //get_ui_interface()->error(_("Move Action Not Ready"));
+                               //return 0;
+                               return;
+                       }
+               }
+               depth++;
+
+               // automatically export the Index parameter of Duplicate layers when pasting
+               int index = 1;
+               export_dup_nodes(layer, canvas, index);
+       }
+       get_canvas_interface()->get_selection_manager()->clear_selected_layers();
+       get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
+}
+
+void
+LayerActionManager::export_dup_nodes(synfig::Layer::Handle layer, Canvas::Handle canvas, int &index)
+{
+       // automatically export the Index parameter of Duplicate layers when pasting
+       if (layer->get_name() == "duplicate")
+               while (true)
+               {
+                       String name = strprintf(_("Index %d"), index++);
+                       try
+                       {
+                               canvas->find_value_node(name);
+                       }
+                       catch (Exception::IDNotFound x)
+                       {
+                               get_canvas_interface()->add_value_node(layer->dynamic_param_list().find("index")->second, name);
+                               break;
+                       }
+               }
+       else
+       {
+               Layer::ParamList param_list(layer->get_param_list());
+               for (Layer::ParamList::const_iterator iter(param_list.begin())
+                                ; iter != param_list.end()
+                                ; iter++)
+                       if (layer->dynamic_param_list().count(iter->first)==0 && iter->second.get_type()==ValueBase::TYPE_CANVAS)
+                       {
+                               Canvas::Handle subcanvas(iter->second.get(Canvas::Handle()));
+                               if (subcanvas && subcanvas->is_inline())
+                                       for (Context iter = subcanvas->get_context(); iter != subcanvas->end(); iter++)
+                                               export_dup_nodes(*iter, canvas, index);
+                       }
+
+               for (Layer::DynamicParamList::const_iterator iter(layer->dynamic_param_list().begin())
+                                ; iter != layer->dynamic_param_list().end()
+                                ; iter++)
+                       if (iter->second->get_type()==ValueBase::TYPE_CANVAS)
+                       {
+                               Canvas::Handle canvas((*iter->second)(0).get(Canvas::Handle()));
+                               if (canvas->is_inline())
+                                       //! \todo do we need to implement this?  and if so, shouldn't we check all canvases, not just the one at t=0s?
+                                       warning("%s:%d not yet implemented - do we need to export duplicate valuenodes in dynamic canvas parameters?", __FILE__, __LINE__);
+                       }
+       }
+}
+
+void
+LayerActionManager::amount_inc()
+{
+       float adjust(0.1);
+
+       // Create the action group
+       synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Increase Amount"));
+       synfigapp::SelectionManager::LayerList layer_list(layer_tree_->get_selected_layers());
+
+       for (; !layer_list.empty(); layer_list.pop_front())
+       {
+               ValueBase value(layer_list.front()->get_param("amount"));
+               if(value.same_type_as(Real()))
+                       get_canvas_interface()->change_value(synfigapp::ValueDesc(layer_list.front(),"amount"),value.get(Real())+adjust);
+       }
+}
+
+void
+LayerActionManager::amount_dec()
+{
+       float adjust(-0.1);
+
+       // Create the action group
+       synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Decrease Amount"));
+       synfigapp::SelectionManager::LayerList layer_list(layer_tree_->get_selected_layers());
+
+       for (; !layer_list.empty(); layer_list.pop_front())
+       {
+               ValueBase value(layer_list.front()->get_param("amount"));
+               if(value.same_type_as(Real()))
+                       get_canvas_interface()->change_value(synfigapp::ValueDesc(layer_list.front(),"amount"),value.get(Real())+adjust);
+       }
+}