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/* ============================================================
*
* 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.
*
* ============================================================ */
// TQt includes.
#include <tqpainter.h>
#include <tqpixmap.h>
#include <tqstyle.h>
// KDE includes.
#include <tdeapplication.h>
#include <kiconeffect.h>
#include <tdeapplication.h>
#include <kstandarddirs.h>
#include <tdeaboutdata.h>
// Local includes.
#include "dpopupmenu.h"
namespace Digikam
{
static TQImage s_dpopupmenu_sidePixmap;
static TQColor s_dpopupmenu_sidePixmapColor;
DPopupMenu::DPopupMenu(TQWidget* parent, const char* name)
: TDEPopupMenu(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 TQColor newColor = calcPixmapColor();
if ( newColor != s_dpopupmenu_sidePixmapColor )
{
s_dpopupmenu_sidePixmapColor = newColor;
if (TDEApplication::kApplication()->aboutData()->appName() == TQString("digikam"))
s_dpopupmenu_sidePixmap.load( locate( "data","digikam/data/menusidepixmap.png" ) );
else
s_dpopupmenu_sidePixmap.load( locate( "data","showfoto/menusidepixmap.png" ) );
TDEIconEffect::colorize(s_dpopupmenu_sidePixmap, newColor, 1.0);
}
}
int DPopupMenu::sidePixmapWidth() const
{
return s_dpopupmenu_sidePixmap.width();
}
TQRect DPopupMenu::sideImageRect() const
{
return TQStyle::visualRect(TQRect(frameWidth(), frameWidth(),
s_dpopupmenu_sidePixmap.width(),
height() - 2*frameWidth()),
this);
}
TQColor DPopupMenu::calcPixmapColor()
{
TQColor color;
TQColor activeTitle = TQApplication::palette().active().background();
TQColor inactiveTitle = TQApplication::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);
TQApplication::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 = tqGray(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 TQSize & s)
{
TDEPopupMenu::setMinimumSize(s.width() + s_dpopupmenu_sidePixmap.width(), s.height());
}
void DPopupMenu::setMaximumSize(const TQSize & s)
{
TDEPopupMenu::setMaximumSize(s.width() + s_dpopupmenu_sidePixmap.width(), s.height());
}
void DPopupMenu::setMinimumSize(int w, int h)
{
TDEPopupMenu::setMinimumSize(w + s_dpopupmenu_sidePixmap.width(), h);
}
void DPopupMenu::setMaximumSize(int w, int h)
{
TDEPopupMenu::setMaximumSize(w + s_dpopupmenu_sidePixmap.width(), h);
}
void DPopupMenu::resizeEvent(TQResizeEvent * e)
{
TDEPopupMenu::resizeEvent(e);
setFrameRect(TQStyle::visualRect(TQRect(s_dpopupmenu_sidePixmap.width(), 0,
width() - s_dpopupmenu_sidePixmap.width(), height()),
this ) );
}
//Workaround TQt3.3.x sizing bug, by ensuring we're always wide enough.
void DPopupMenu::resize(int width, int height)
{
width = kMax(width, maximumSize().width());
TDEPopupMenu::resize(width, height);
}
void DPopupMenu::paintEvent(TQPaintEvent* e)
{
generateSidePixmap();
TQPainter p( this );
TQRect r = sideImageRect();
r.setTop(r.bottom()-s_dpopupmenu_sidePixmap.height()+1);
if ( r.intersects( e->rect() ) )
{
TQRect drawRect = r.intersect(e->rect()).intersect(sideImageRect());
TQRect 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(TQStyle::PE_PanelPopup, &p,
TQRect(0, 0, width(), height()),
colorGroup(), TQStyle::Style_Default,
TQStyleOption( frameWidth(), 0));
}
} // namespace Digikam
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