text: /* ============================================================
  * QupZilla - WebKit based browser
  * Copyright (C) 2010-2014  David Rosca <nowrep@gmail.com>
  *
  * This program 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 3 of the License, or
  * (at your option) any later version.
  *
  * 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/>.
  * ============================================================ */
  #ifndef TABBAR_H
  #define TABBAR_H
  
  #include "combotabbar.h"
  
  #include <QRect>
  
  #include "qzcommon.h"
  
  class BrowserWindow;
  class TabWidget;
  class WebTab;
  
  class QUPZILLA_EXPORT TabBar : public ComboTabBar
  {
      Q_OBJECT
  public:
      explicit TabBar(BrowserWindow* window, TabWidget* tabWidget);
  
      void loadSettings();
  
      TabWidget* tabWidget() const;
      void setVisible(bool visible);
      void setForceHidden(bool hidden);
  
      void overrideTabTextColor(int index, QColor color);
      void restoreTabTextColor(int index);
  
      void setTabText(int index, const QString &text);
      void updatePinnedTabCloseButton(int index);
  
      void wheelEvent(QWheelEvent* event);
  
  signals:
      void reloadTab(int index);
      void stopTab(int index);
      void closeAllButCurrent(int index);
      void duplicateTab(int index);
      void detachTab(int index);
  
      void moveAddTabButton(int posX);
  
  private slots:
      void currentTabChanged(int index);
      void overflowChanged(bool overflowed);
  
      void reloadTab() { emit reloadTab(m_clickedTab); }
      void stopTab() { emit stopTab(m_clickedTab); }
      void closeTab() { emit tabCloseRequested(m_clickedTab); }
      void duplicateTab() { emit duplicateTab(m_clickedTab); }
      void detachTab() { emit detachTab(m_clickedTab); }
  
      void bookmarkTab();
      void pinTab();
  
      void closeCurrentTab();
      void closeAllButCurrent();
      void closeTabFromButton();
  
  private:
      inline bool validIndex(int index) const { return index >= 0 && index < count(); }
  
      void tabInserted(int index);
      void tabRemoved(int index);
  
      void hideCloseButton(int index);
      void showCloseButton(int index);
  
      void contextMenuEvent(QContextMenuEvent* event);
      void mouseDoubleClickEvent(QMouseEvent* event);
      void mousePressEvent(QMouseEvent* event);
      void mouseMoveEvent(QMouseEvent* event);
      void mouseReleaseEvent(QMouseEvent* event);
  
      void dragEnterEvent(QDragEnterEvent* event);
      void dropEvent(QDropEvent* event);
  
      QSize tabSizeHint(int index, bool fast) const;
      int comboTabBarPixelMetric(ComboTabBar::SizeType sizeType) const;
      WebTab* webTab(int index = -1) const;
  
      BrowserWindow* m_window;
      TabWidget* m_tabWidget;
  
      bool m_hideTabBarWithOneTab;
  
      int m_showCloseOnInactive;
      int m_clickedTab;
  
      mutable int m_normalTabWidth;
      mutable int m_activeTabWidth;
  
      QColor m_originalTabTextColor;
      QPoint m_dragStartPosition;
  
      bool m_forceHidden;
  };
  
  #endif // TABBAR_H
  