ground/gcs/src/libs/utils/stylehelper.h

   1 /**
   2  ******************************************************************************
   3  *
   4  * @file       stylehelper.h
   5  * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
   6  *             Parts by Nokia Corporation (qt-info@nokia.com) Copyright (C) 2009.
   7  * @brief
   8  * @see        The GNU Public License (GPL) Version 3
   9  * @defgroup
  10  * @{
  11  *
  12  *****************************************************************************/
  13 /*
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 3 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful, but
  20  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  21  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  22  * for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License along
  25  * with this program; if not, write to the Free Software Foundation, Inc.,
  26  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  27  */
  28
  29 #ifndef STYLEHELPER_H
  30 #define STYLEHELPER_H
  31
  32 #include "utils_global.h"
  33
  34 #include <QStyle>
  35
  36 QT_BEGIN_NAMESPACE
  37 class QPalette;
  38 class QPainter;
  39 class QRect;
  40 // Note, this is exported but in a private header as qtopengl depends on it.
  41 // We should consider adding this as a public helper function.
  42 void qt_blurImage(QPainter *p, QImage &blurImage, qreal radius, bool quality, bool alphaOnly, int transposed = 0);
  43 QT_END_NAMESPACE
  44
  45 // Helper class holding all custom color values
  46
  47 namespace Utils {
  48 class QTCREATOR_UTILS_EXPORT StyleHelper {
  49 public:
  50     static const unsigned int DEFAULT_BASE_COLOR   = 0x666666;
  51     static const int progressFadeAnimationDuration = 600;
  52
  53     // Height of the project explorer navigation bar
  54     static int navigationWidgetHeight()
  55     {
  56         return 24;
  57     }
  58     static qreal sidebarFontSize();
  59     static QPalette sidebarFontPalette(const QPalette &original);
  60
  61     // This is our color table, all colors derive from baseColor
  62     static QColor requestedBaseColor()
  63     {
  64         return m_requestedBaseColor;
  65     }
  66     static QColor baseColor(bool lightColored = false);
  67     static QColor panelTextColor(bool lightColored = false);
  68     static QColor highlightColor(bool lightColored = false);
  69     static QColor shadowColor(bool lightColored = false);
  70     static QColor borderColor(bool lightColored = false);
  71     static QColor buttonTextColor()
  72     {
  73         return QColor(0x4c4c4c);
  74     }
  75     static QColor mergedColors(const QColor &colorA, const QColor &colorB, int factor = 50);
  76
  77     static QColor sidebarHighlight()
  78     {
  79         return QColor(255, 255, 255, 40);
  80     }
  81     static QColor sidebarShadow()
  82     {
  83         return QColor(0, 0, 0, 40);
  84     }
  85
  86     // Sets the base color and makes sure all top level widgets are updated
  87     static void setBaseColor(const QColor &color);
  88
  89     // Draws a shaded anti-aliased arrow
  90     static void drawArrow(QStyle::PrimitiveElement element, QPainter *painter, const QStyleOption *option);
  91
  92     // Gradients used for panels
  93     static void horizontalGradient(QPainter *painter, const QRect &spanRect, const QRect &clipRect, bool lightColored = false);
  94     static void verticalGradient(QPainter *painter, const QRect &spanRect, const QRect &clipRect, bool lightColored = false);
  95     static void menuGradient(QPainter *painter, const QRect &spanRect, const QRect &clipRect);
  96     static bool usePixmapCache()
  97     {
  98         return true;
  99     }
 100
 101     static void drawIconWithShadow(const QIcon &icon, const QRect &rect, QPainter *p, QIcon::Mode iconMode,
 102                                    int dipRadius = 3, const QColor &color = QColor(0, 0, 0, 130),
 103                                    const QPoint &dipOffset = QPoint(1, -2));
 104     static void drawCornerImage(const QImage &img, QPainter *painter, QRect rect,
 105                                 int left = 0, int top = 0, int right = 0, int bottom = 0);
 106
 107     static void tintImage(QImage &img, const QColor &tintColor);
 108     static QLinearGradient statusBarGradient(const QRect &statusBarRect);
 109
 110 private:
 111     static QColor m_baseColor;
 112     static QColor m_requestedBaseColor;
 113 };
 114 } // namespace Utils
 115 #endif // STYLEHELPER_H