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if the background of the palette is transparent, plasmify

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svn path=/trunk/KDE/kdelibs/; revision=963954
This commit is contained in:
Marco Martin 2009-05-05 17:57:30 +00:00
parent 08aa5fe688
commit 3aac723ba5
1 changed files with 42 additions and 21 deletions
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57
delegate.cpp
View File

@ -42,6 +42,7 @@
// plasma
#include <plasma/paintutils.h>
#include <plasma/framesvg.h>
namespace Plasma
{
@ -69,6 +70,7 @@ class DelegatePrivate
static const int ITEM_BOTTOM_MARGIN = 5;
bool m_showToolTip;
FrameSvg *svg;
};
QFont DelegatePrivate::fontForSubTitle(const QFont &titleFont) const
@ -144,6 +146,9 @@ Delegate::Delegate(QObject *parent)
: QAbstractItemDelegate(parent),
d(new DelegatePrivate)
{
d->svg = new FrameSvg(this);
d->svg->setImagePath("widgets/viewitem");
d->svg->setElementPrefix("hover");
}
Delegate::~Delegate()
@ -230,7 +235,9 @@ void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
QString subTitleText = index.data(d->roles[SubTitleRole]).value<QString>();
QRect titleRect = d->titleRect(option, index);
titleRect.moveTopLeft(titleRect.topLeft()-option.rect.topLeft());
QRect subTitleRect = d->subTitleRect(option, index);
subTitleRect.moveTopLeft(subTitleRect.topLeft()-option.rect.topLeft());
bool uniqueTitle = !index.data(d->roles[SubTitleMandatoryRole]).value<bool>();// true;
if (uniqueTitle) {
@ -270,11 +277,12 @@ void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
decorationIcon.paint(painter, decorationRect, option.decorationAlignment);
}
painter->save();
QPixmap buffer(option.rect.size());
buffer.fill(Qt::transparent);
QPainter p(&buffer);
// draw title
painter->setFont(titleFont);
painter->drawText(titleRect, Qt::AlignLeft|Qt::AlignVCenter, titleText);
p.setFont(titleFont);
p.drawText(titleRect, Qt::AlignLeft|Qt::AlignVCenter, titleText);
if (hover || !uniqueTitle) {
// draw sub-title, BUT only if:
@ -289,24 +297,24 @@ void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
// required to understand the item itself and that showing all the subtexts in a
// listing makes the information density very high, impacting both the speed at
// which one can scan the list visually and the aesthetic qualities of the listing.
painter->setPen(QPen(KColorScheme(QPalette::Active).foreground(KColorScheme::InactiveText), 1));
painter->setFont(subTitleFont);
painter->drawText(subTitleRect, Qt::AlignLeft|Qt::AlignVCenter, " " + subTitleText);
p.setPen(QPen(KColorScheme(QPalette::Active).foreground(KColorScheme::InactiveText), 1));
p.setFont(subTitleFont);
p.drawText(subTitleRect, Qt::AlignLeft|Qt::AlignVCenter, " " + subTitleText);
}
painter->restore();
p.end();
d->m_showToolTip = false;
painter->save();
painter->setPen(Qt::NoPen);
const QColor gradientColor =
KColorScheme(QPalette::Active).background(KColorScheme::NormalBackground).color();
const QColor gradientColor = KColorScheme(QPalette::Active).background(KColorScheme::NormalBackground).color();
if (option.direction == Qt::LeftToRight) {
if (((titleRect.width() + decorationRect.width() + 10) > option.rect.width() ||
(subTitleRect.width() + decorationRect.width() + 15) > option.rect.width()) &&
(titleRect.width() > 120 || subTitleRect.width() > 120)) {
QPainter p(&buffer);
p.setCompositionMode(QPainter::CompositionMode_DestinationOut);
p.setPen(Qt::NoPen);
QLinearGradient gr;
QRect gradientRect(option.rect.width() - 30, titleRect.y(),
80, titleRect.height() + subTitleRect.height());
@ -315,15 +323,20 @@ void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
gr.setFinalStop(gradientRect.topRight());
gr.setColorAt(0.0, Qt::transparent);
gr.setColorAt(0.7, gradientColor);
painter->setBrush(QBrush(gr));
painter->drawRect(gradientRect);
p.setBrush(QBrush(gr));
p.drawRect(gradientRect);
d->m_showToolTip = true;
p.end();
}
} else {
if (((titleRect.width() + decorationRect.width() + 10) > option.rect.width() ||
(subTitleRect.width() + decorationRect.width() + 15 )> option.rect.width()) &&
(titleRect.width() > 120 || subTitleRect.width() > 120)) {
buffer.fill(Qt::transparent);
QPainter p(&buffer);
p.setCompositionMode(QPainter::CompositionMode_DestinationOut);
p.setPen(Qt::NoPen);
QLinearGradient gr;
QRect gradientRect(option.rect.x() - 25, titleRect.y(),
60, titleRect.height() + subTitleRect.height());
@ -331,14 +344,16 @@ void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
gr.setFinalStop(gradientRect.topLeft());
gr.setColorAt(0.0, Qt::transparent);
gr.setColorAt(0.6, gradientColor);
painter->setBrush(QBrush(gr));
painter->drawRect(gradientRect);
p.setBrush(QBrush(gr));
p.drawRect(gradientRect);
d->m_showToolTip = true;
p.end();
}
}
painter->restore();
painter->drawPixmap(option.rect, buffer, buffer.rect());
if (hover) {
painter->save();
@ -404,8 +419,14 @@ void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
highlightRect.adjust(-roundedRadius, 0, +roundedRadius, 0);
}
//if the view is transparent paint as plasma, otherwise paint with kde colors
if (option.palette.color(QPalette::Base).alpha() > 0) {
painter->setPen(outlinePen);
painter->drawPath(PaintUtils::roundedRectangle(highlightRect, roundedRadius));
} else {
d->svg->resizeFrame(highlightRect.size());
d->svg->paintFrame(painter, highlightRect.topLeft());
}
painter->restore();
}