synfig-studio/trunk/src/gtkmm/keyframeactionmanager.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file keyframeactionmanager.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 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 "keyframeactionmanager.h"
  34 #include "keyframetree.h"
  35 #include <synfigapp/action_param.h>
  36 #include "instance.h"
  37
  38 #include "general.h"
  39
  40 #endif
  41
  42 /* === U S I N G =========================================================== */
  43
  44 using namespace std;
  45 using namespace etl;
  46 using namespace synfig;
  47 using namespace studio;
  48
  49 static const guint no_prev_popup((guint)-1);
  50
  51 /* === M A C R O S ========================================================= */
  52
  53 //#define ONE_ACTION_GROUP 1
  54
  55 /* === G L O B A L S ======================================================= */
  56
  57 /* === P R O C E D U R E S ================================================= */
  58
  59 /* === M E T H O D S ======================================================= */
  60
  61 KeyframeActionManager::KeyframeActionManager():
  62         action_group_(Gtk::ActionGroup::create()),
  63         popup_id_(no_prev_popup),
  64         queued(false)
  65 {
  66 }
  67
  68 KeyframeActionManager::~KeyframeActionManager()
  69 {
  70 }
  71
  72 void
  73 KeyframeActionManager::set_ui_manager(const Glib::RefPtr<Gtk::UIManager> &x)
  74 {
  75         clear();
  76
  77 #ifdef ONE_ACTION_GROUP
  78         if(ui_manager_) get_ui_manager()->remove_action_group(action_group_);
  79         ui_manager_=x;
  80         if(ui_manager_) get_ui_manager()->insert_action_group(action_group_);
  81 #else
  82         ui_manager_=x;
  83 #endif
  84 }
  85
  86 void
  87 KeyframeActionManager::set_keyframe_tree(KeyframeTree* x)
  88 {
  89         selection_changed_connection.disconnect();
  90         keyframe_tree_=x;
  91         if(keyframe_tree_)
  92         {
  93                 selection_changed_connection=keyframe_tree_->get_selection()->signal_changed().connect(
  94                         sigc::mem_fun(*this,&KeyframeActionManager::queue_refresh)
  95                 );
  96         }
  97 }
  98
  99 void
 100 KeyframeActionManager::set_canvas_interface(const etl::handle<synfigapp::CanvasInterface> &x)
 101 {
 102         time_changed_connection.disconnect();
 103         canvas_interface_=x;
 104         if(canvas_interface_)
 105         {
 106                 canvas_interface_->signal_time_changed().connect(
 107                         sigc::mem_fun(*this,&KeyframeActionManager::queue_refresh)
 108                 );
 109         }
 110 }
 111
 112 void
 113 KeyframeActionManager::clear()
 114 {
 115         if(ui_manager_)
 116         {
 117                 // Clear out old stuff
 118                 if(popup_id_!=no_prev_popup)
 119                 {
 120                         get_ui_manager()->remove_ui(popup_id_);
 121                         popup_id_=no_prev_popup;
 122 #ifdef ONE_ACTION_GROUP
 123                         while(!action_group_->get_actions().empty())action_group_->remove(*action_group_->get_actions().begin());
 124 #else
 125                         get_ui_manager()->remove_action_group(action_group_);
 126                         action_group_=Gtk::ActionGroup::create();
 127 #endif
 128                 }
 129         }
 130 }
 131
 132 void
 133 KeyframeActionManager::queue_refresh()
 134 {
 135         if(queued)
 136                 return;
 137
 138         //queue_refresh_connection.disconnect();
 139         queue_refresh_connection=Glib::signal_idle().connect(
 140                 sigc::bind_return(
 141                         sigc::mem_fun(*this,&KeyframeActionManager::refresh),
 142                         false
 143                 )
 144         );
 145
 146         queued=true;
 147 }
 148
 149 void
 150 KeyframeActionManager::on_keyframe_properties()
 151 {
 152         signal_show_keyframe_properties_();
 153 }
 154
 155 void
 156 KeyframeActionManager::on_add_keyframe()
 157 {
 158         synfigapp::Action::Handle action(synfigapp::Action::create("keyframe_add"));
 159
 160         if(!action)
 161                 return;
 162
 163         action->set_param("canvas",canvas_interface_->get_canvas());
 164         action->set_param("canvas_interface",canvas_interface_);
 165         action->set_param("keyframe",Keyframe(canvas_interface_->get_time()));
 166
 167         canvas_interface_->get_instance()->perform_action(action);
 168 }
 169
 170 void
 171 KeyframeActionManager::refresh()
 172 {
 173         KeyframeTreeStore::Model model;
 174
 175         if(queued)
 176         {
 177                 queued=false;
 178                 //queue_refresh_connection.disconnect();
 179         }
 180
 181
 182         clear();
 183
 184         // Make sure we are ready
 185         if(!ui_manager_ || !keyframe_tree_ || !canvas_interface_)
 186         {
 187                 synfig::error("KeyframeActionManager::refresh(): Not ready!");
 188                 return;
 189         }
 190
 191         String ui_info;
 192
 193         {
 194                 synfigapp::Action::ParamList param_list;
 195                 param_list.add("time",get_canvas_interface()->get_time());
 196                 param_list.add("canvas",get_canvas_interface()->get_canvas());
 197                 param_list.add("canvas_interface",get_canvas_interface());
 198                 if(keyframe_tree_->get_selection()->count_selected_rows()==1)
 199                 {
 200                         Keyframe keyframe((*keyframe_tree_->get_selection()->get_selected())[model.keyframe]);
 201                         param_list.add("keyframe",keyframe);
 202                 }
 203
 204                 handle<studio::Instance>::cast_static(
 205                         get_canvas_interface()->get_instance()
 206                 )->add_actions_to_group(
 207                         action_group_,
 208                         ui_info,
 209                         param_list,
 210                         synfigapp::Action::CATEGORY_KEYFRAME
 211                 );
 212         }
 213         if(action_group_->get_action("action-keyframe_add"))
 214         {
 215                 action_group_->remove(action_group_->get_action("action-keyframe_add"));
 216         }
 217
 218                 action_group_->add(Gtk::Action::create(
 219                         "action-keyframe_add",
 220                         Gtk::StockID("gtk-add"),
 221                         _("Add New Keyframe"),_("Add New Keyframe")
 222                 ),
 223                         sigc::mem_fun(*this,&KeyframeActionManager::on_add_keyframe)
 224                 );
 225
 226         try
 227         {
 228                 canvas_interface_->get_canvas()->keyframe_list().find(canvas_interface_->get_time());
 229                 action_group_->get_action("action-keyframe_add")->set_sensitive(false);
 230                 if(action_group_->get_action("action-keyframe_duplicate"))
 231                         action_group_->get_action("action-keyframe_duplicate")->set_sensitive(false);
 232         }
 233         catch(...)
 234         {
 235         }
 236
 237         {
 238                 Glib::RefPtr<Gtk::Action> action(Gtk::Action::create("keyframe-properties", Gtk::StockID("gtk-properties"),
 239                                                                                                                          _("Keyframe Properties"), _("Keyframe Properties")));
 240                 action_group_->add(action,sigc::mem_fun(*this,&KeyframeActionManager::on_keyframe_properties));
 241                 if(keyframe_tree_->get_selection()->count_selected_rows()==0)
 242                         action->set_sensitive(false);
 243         }
 244
 245         ui_info="<ui><popup action='menu-main'><menu action='menu-keyframe'>"+ui_info+"</menu></popup></ui>";
 246         popup_id_=get_ui_manager()->add_ui_from_string(ui_info);
 247 #ifdef ONE_ACTION_GROUP
 248 #else
 249         get_ui_manager()->insert_action_group(action_group_);
 250 #endif
 251 }