src/ktooltip_p.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008 by Fredrik Höglund <fredrik@kde.org>               *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #ifndef KTOOLTIP_P_H
  21 #define KTOOLTIP_P_H
  22
  23 class KAbstractToolTipLabel;
  24 class KStyleOptionToolTip;
  25 class KToolTipDelegate;
  26
  27 class KToolTipManager
  28 {
  29 public:
  30     ~KToolTipManager();
  31
  32     static KToolTipManager *instance() {
  33         if (!s_instance)
  34             s_instance = new KToolTipManager();
  35
  36         return s_instance;
  37     }
  38
  39     void showTip(const QPoint &pos, KToolTipItem *item);
  40     void hideTip();
  41
  42     void initStyleOption(KStyleOptionToolTip *option) const;
  43     bool haveAlphaChannel() const;
  44
  45     void setDelegate(KToolTipDelegate *delegate);
  46     KToolTipDelegate *delegate() const;
  47
  48     void update();
  49
  50 private:
  51     KToolTipManager();
  52
  53     KAbstractToolTipLabel *label;
  54     KToolTipItem *currentItem;
  55     KToolTipDelegate *m_delegate;
  56
  57     QPoint m_tooltipPos;
  58
  59 #ifdef Q_WS_X11
  60     bool haveArgbVisual;
  61     Atom net_wm_cm_s0;
  62 #endif
  63
  64     static KToolTipManager *s_instance;
  65 };
  66
  67 #endif