src/statusbarmessagelabel.h

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz                                      *
   3  *   peter.penz@gmx.at                                                     *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (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                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #ifndef STATUSBARMESSAGELABEL_H
  22 #define STATUSBARMESSAGELABEL_H
  23
  24 #include <qwidget.h>
  25 #include <qpixmap.h>
  26 #include <qstring.h>
  27 //Added by qt3to4:
  28 #include <QPaintEvent>
  29 #include <QResizeEvent>
  30 #include <dolphinstatusbar.h>
  31 class QTimer;
  32
  33 /**
  34  * @brief Represents a message text label as part of the status bar.
  35  *
  36  * Dependant from the given type automatically a corresponding icon
  37  * is shown in front of the text. For message texts having the type
  38  * DolphinStatusBar::Error a dynamic color blending is done to get the
  39  * attention from the user.
  40  *
  41  * @author Peter Penz
  42  */
  43 class StatusBarMessageLabel : public QWidget
  44 {
  45     Q_OBJECT
  46
  47 public:
  48     StatusBarMessageLabel(QWidget* parent);
  49     virtual ~StatusBarMessageLabel();
  50
  51     void setType(DolphinStatusBar::Type type);
  52     DolphinStatusBar::Type type() const { return m_type; }
  53
  54     void setText(const QString& text);
  55     const QString& text() const { return m_text; }
  56
  57     // TODO: maybe a better approach is possible with the size hint
  58     void setMinimumTextHeight(int min);
  59     int minimumTextHeight() const { return m_minTextHeight; }
  60
  61 protected:
  62     /** @see QWidget::paintEvent */
  63     virtual void paintEvent(QPaintEvent* event);
  64
  65     /** @see QWidget::resizeEvent */
  66     virtual void resizeEvent(QResizeEvent* event);
  67
  68 private slots:
  69     void timerDone();
  70     void assureVisibleText();
  71
  72 private:
  73     enum State {
  74         Default,
  75         Illuminate,
  76         Illuminated,
  77         Desaturate
  78     };
  79
  80     DolphinStatusBar::Type m_type;
  81     State m_state;
  82     int m_illumination;
  83     int m_minTextHeight;
  84     QTimer* m_timer;
  85     QString m_text;
  86     QPixmap m_pixmap;
  87
  88     QColor mixColors(const QColor& c1,
  89                      const QColor& c2,
  90                      int percent) const;
  91
  92     int pixmapGap() const { return 3; }
  93 };
  94
  95 #endif