~marcobiscaro2112/unity/fixes-767733

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// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
 * Copyright (C) 2011 Canonical Ltd
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3 as
 * published by the Free Software Foundation.
 *
 * This program 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Authored by: Gordon Allott <gord.allott@canonical.com>
 */

#ifndef PLACES_GROUP_H
#define PLACES_GROUP_H

#include <Nux/Nux.h>
#include <Nux/VLayout.h>
#include <Nux/HLayout.h>
#include <Nux/TextureArea.h>

#include <sigc++/sigc++.h>

#include "IconTexture.h"
#include "Introspectable.h"
#include "StaticCairoText.h"

class PlacesGroup : public nux::View
{
public:

  PlacesGroup (NUX_FILE_LINE_PROTO);
  ~PlacesGroup ();

  void SetIcon (const char *icon);
  void SetName (const char *name);

  void          SetChildLayout (nux::Layout *layout);
  nux::Layout * GetChildLayout ();

  void Relayout ();

  void SetCounts (guint n_visible_items_in_unexpand_mode, guint n_total_items);

  void SetExpanded (bool is_expanded);
  bool GetExpanded ();

  int  GetHeaderHeight ();

  void SetDrawSeparator (bool draw_it);

  sigc::signal<void> expanded;

private:
  void Refresh ();

  long ProcessEvent (nux::IEvent &ievent, long TraverseInfo, long ProcessEventInfo);
  void Draw (nux::GraphicsEngine &GfxContext, bool force_draw);
  void DrawContent (nux::GraphicsEngine &GfxContext, bool force_draw);

  static gboolean OnIdleRelayout (PlacesGroup *self);

  void RecvMouseClick (int x, int y, unsigned long button_flags, unsigned long key_flags);
  void RecvMouseEnter (int x, int y, unsigned long button_flags, unsigned long key_flags);
  void RecvMouseLeave (int x, int y, unsigned long button_flags, unsigned long key_flags);
  void OnLabelActivated (nux::Area *label);
  void OnLabelFocusChanged (nux::Area *label);
  void RefreshLabel ();

private:
  nux::VLayout *_group_layout;
  nux::HLayout *_header_layout;
  nux::Layout  *_content_layout;

  IconTexture          *_icon;
  nux::StaticCairoText *_name;
  nux::StaticCairoText *_expand_label;
  IconTexture          *_expand_icon;

  guint32 _idle_id;

  bool  _is_expanded;
  guint _n_visible_items_in_unexpand_mode;
  guint _n_total_items;
  char *_cached_name;
  bool  _draw_sep;
};

#endif