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Diffstat (limited to 'digikam/libs/widgets/common/dpopupmenu.cpp')
| -rw-r--r-- | digikam/libs/widgets/common/dpopupmenu.cpp | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/digikam/libs/widgets/common/dpopupmenu.cpp b/digikam/libs/widgets/common/dpopupmenu.cpp new file mode 100644 index 0000000..d7f9388 --- /dev/null +++ b/digikam/libs/widgets/common/dpopupmenu.cpp @@ -0,0 +1,197 @@ +/* ============================================================ + * + * This file is a part of digiKam project + * http://www.digikam.org + * + * Date : 2006-11-11 + * Description : a popup menu with a decorative graphic banner + * at the left border. + * + * Copyright (C) 1996-2000 the kicker authors. + * Copyright (C) 2005 Mark Kretschmann <markey@web.de> + * Copyright (C) 2006-2008 by Gilles Caulier <caulier dot gilles at gmail dot 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 2, 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. + * + * ============================================================ */ + +// Qt includes. + +#include <qpainter.h> +#include <qpixmap.h> +#include <qstyle.h> + +// KDE includes. + +#include <kapplication.h> +#include <kiconeffect.h> +#include <kapplication.h> +#include <kstandarddirs.h> +#include <kaboutdata.h> + +// Local includes. + +#include "dpopupmenu.h" + +namespace Digikam +{ + +static QImage s_dpopupmenu_sidePixmap; +static QColor s_dpopupmenu_sidePixmapColor; + +DPopupMenu::DPopupMenu(QWidget* parent, const char* name) + : KPopupMenu(parent, name) +{ + // Must be initialized so that we know the size on first invocation + if ( s_dpopupmenu_sidePixmap.isNull() ) + generateSidePixmap(); +} + +DPopupMenu::~DPopupMenu() +{ +} + +void DPopupMenu::generateSidePixmap() +{ + const QColor newColor = calcPixmapColor(); + + if ( newColor != s_dpopupmenu_sidePixmapColor ) + { + s_dpopupmenu_sidePixmapColor = newColor; + + if (KApplication::kApplication()->aboutData()->appName() == QString("digikam")) + s_dpopupmenu_sidePixmap.load( locate( "data","digikam/data/menusidepixmap.png" ) ); + else + s_dpopupmenu_sidePixmap.load( locate( "data","showfoto/menusidepixmap.png" ) ); + + KIconEffect::colorize(s_dpopupmenu_sidePixmap, newColor, 1.0); + } +} + +int DPopupMenu::sidePixmapWidth() const +{ + return s_dpopupmenu_sidePixmap.width(); +} + +QRect DPopupMenu::sideImageRect() const +{ + return QStyle::visualRect(QRect(frameWidth(), frameWidth(), + s_dpopupmenu_sidePixmap.width(), + height() - 2*frameWidth()), + this); +} + +QColor DPopupMenu::calcPixmapColor() +{ + QColor color; + QColor activeTitle = QApplication::palette().active().background(); + QColor inactiveTitle = QApplication::palette().inactive().background(); + + // figure out which color is most suitable for recoloring to + int h1, s1, v1, h2, s2, v2, h3, s3, v3; + activeTitle.hsv(&h1, &s1, &v1); + inactiveTitle.hsv(&h2, &s2, &v2); + QApplication::palette().active().background().hsv(&h3, &s3, &v3); + + if ( (kAbs(h1-h3)+kAbs(s1-s3)+kAbs(v1-v3) < kAbs(h2-h3)+kAbs(s2-s3)+kAbs(v2-v3)) && + ((kAbs(h1-h3)+kAbs(s1-s3)+kAbs(v1-v3) < 32) || (s1 < 32)) && (s2 > s1)) + color = inactiveTitle; + else + color = activeTitle; + + // limit max/min brightness + int r, g, b; + color.rgb(&r, &g, &b); + int gray = qGray(r, g, b); + if (gray > 180) + { + r = (r - (gray - 180) < 0 ? 0 : r - (gray - 180)); + g = (g - (gray - 180) < 0 ? 0 : g - (gray - 180)); + b = (b - (gray - 180) < 0 ? 0 : b - (gray - 180)); + } + else if (gray < 76) + { + r = (r + (76 - gray) > 255 ? 255 : r + (76 - gray)); + g = (g + (76 - gray) > 255 ? 255 : g + (76 - gray)); + b = (b + (76 - gray) > 255 ? 255 : b + (76 - gray)); + } + color.setRgb(r, g, b); + + return color; +} + +void DPopupMenu::setMinimumSize(const QSize & s) +{ + KPopupMenu::setMinimumSize(s.width() + s_dpopupmenu_sidePixmap.width(), s.height()); +} + +void DPopupMenu::setMaximumSize(const QSize & s) +{ + KPopupMenu::setMaximumSize(s.width() + s_dpopupmenu_sidePixmap.width(), s.height()); +} + +void DPopupMenu::setMinimumSize(int w, int h) +{ + KPopupMenu::setMinimumSize(w + s_dpopupmenu_sidePixmap.width(), h); +} + +void DPopupMenu::setMaximumSize(int w, int h) +{ + KPopupMenu::setMaximumSize(w + s_dpopupmenu_sidePixmap.width(), h); +} + +void DPopupMenu::resizeEvent(QResizeEvent * e) +{ + KPopupMenu::resizeEvent(e); + + setFrameRect(QStyle::visualRect(QRect(s_dpopupmenu_sidePixmap.width(), 0, + width() - s_dpopupmenu_sidePixmap.width(), height()), + this ) ); +} + +//Workaround Qt3.3.x sizing bug, by ensuring we're always wide enough. +void DPopupMenu::resize(int width, int height) +{ + width = kMax(width, maximumSize().width()); + KPopupMenu::resize(width, height); +} + +void DPopupMenu::paintEvent(QPaintEvent* e) +{ + generateSidePixmap(); + + QPainter p( this ); + + QRect r = sideImageRect(); + r.setTop(r.bottom()-s_dpopupmenu_sidePixmap.height()+1); + if ( r.intersects( e->rect() ) ) + { + QRect drawRect = r.intersect(e->rect()).intersect(sideImageRect()); + QRect pixRect = drawRect; + pixRect.moveBy(-r.left(), -r.top()); + p.drawImage(drawRect.topLeft(), s_dpopupmenu_sidePixmap, pixRect); + } + + p.setClipRegion(e->region()); + + //NOTE: The order is important here. drawContents() must be called before drawPrimitive(), + // otherwise we get rendering glitches. + + drawContents(&p); + + style().drawPrimitive(QStyle::PE_PanelPopup, &p, + QRect(0, 0, width(), height()), + colorGroup(), QStyle::Style_Default, + QStyleOption( frameWidth(), 0)); +} + +} // namespace Digikam |