gwenview/lib/slidecontainer.h

   1 /*
   2 Gwenview: an image viewer
   3 Copyright 2007 Aurélien Gâteau <aurelien.gateau@free.fr>
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18
  19 */
  20 #ifndef SLIDECONTAINER_H
  21 #define SLIDECONTAINER_H
  22
  23 // Qt
  24 #include <QFrame>
  25 #include <QTimeLine>
  26
  27 #include <lib/gwenviewlib_export.h>
  28
  29 namespace Gwenview {
  30
  31
  32 /**
  33  * This widget is design to contain one child widget, the "content" widget.
  34  * It will start hidden by default. Calling slideIn() will slide in the content
  35  * widget from the top border. Calling slideOut() will slide it out.
  36  */
  37 class GWENVIEWLIB_EXPORT SlideContainer : public QFrame {
  38         Q_OBJECT
  39 public:
  40         SlideContainer(QWidget* parent = 0);
  41
  42         /**
  43          * Returns the content widget
  44          */
  45         QWidget* content() const;
  46
  47         /**
  48          * Defines the content widget
  49          */
  50         void setContent(QWidget* content);
  51
  52
  53 public Q_SLOTS:
  54         /**
  55          * Slides the content widget in.
  56          * Calling it multiple times won't cause the animation to be replayed.
  57          */
  58         void slideIn();
  59
  60         /**
  61          * Slides the content widget out.
  62          * Calling it multiple times won't cause the animation to be replayed.
  63          */
  64         void slideOut();
  65
  66 protected:
  67         QSize sizeHint() const;
  68         QSize minimumSizeHint() const;
  69         void resizeEvent(QResizeEvent*);
  70
  71 private Q_SLOTS:
  72         void slotTimeLineChanged(qreal value);
  73         void slotTimeLineFinished();
  74
  75 private:
  76         QWidget* mContent;
  77         QTimeLine* mTimeLine;
  78 };
  79
  80
  81 } /* namespace */
  82
  83
  84 #endif /* SLIDECONTAINER_H */