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