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Refactoring the background painting code into DefaultBackground.

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svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=729889
This commit is contained in:
Sean Harmer 2007-10-27 08:56:42 +00:00
parent 733a6071a2
commit fb1fe06b79
1 changed files with 2 additions and 62 deletions
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62
containment.cpp
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@ -55,8 +55,6 @@ public:
: formFactor(Planar),
location(Floating),
layout(0),
background(0),
bitmapBackground(0),
screen(0),
immutable(false)
{
@ -67,16 +65,12 @@ public:
qDeleteAll(applets);
applets.clear();
delete layout;
delete bitmapBackground;
}
FormFactor formFactor;
Location location;
Layout* layout;
Applet::List applets;
Plasma::Svg *background;
QPixmap* bitmapBackground;
QString wallpaperPath;
QSize size;
int screen;
bool immutable;
@ -108,18 +102,6 @@ void Containment::init()
setFlag(QGraphicsItem::ItemClipsChildrenToShape, false);
setAcceptDrops(true);
if (type() == DesktopContainment) {
KConfigGroup config(KGlobal::config(), "General");
d->wallpaperPath = config.readEntry("wallpaper", KStandardDirs::locate("wallpaper", "plasma-default.png"));
kDebug() << "wallpaperPath is" << d->wallpaperPath << QFile::exists(d->wallpaperPath);
if (d->wallpaperPath.isEmpty() ||
!QFile::exists(d->wallpaperPath)) {
kDebug() << "SVG wallpaper!";
d->background = new Plasma::Svg("widgets/wallpaper", this);
}
}
//TODO: would be nice to not do this on init, as it causes Phase to init
connect(Phase::self(), SIGNAL(animationComplete(QGraphicsItem*,Plasma::Phase::Animation)),
this, SLOT(appletDisappearComplete(QGraphicsItem*,Plasma::Phase::Animation)));
@ -150,50 +132,8 @@ void Containment::paintInterface(QPainter *painter,
const QStyleOptionGraphicsItem *option,
const QRect& contentsRect)
{
//FIXME: this should probably ALL move to the Desktop containment, save for drawing a rect
// in case there is no other drawing going on
if (type() != DesktopContainment) {
return;
}
//kDebug() << "paintInterface of background";
//TODO: we should have a way to do this outside of the paint event!
if (d->background) {
d->background->resize(contentsRect.size());
} else if (!d->wallpaperPath.isEmpty()) {
if (!d->bitmapBackground || !(d->bitmapBackground->size() == contentsRect.size())) {
delete d->bitmapBackground;
d->bitmapBackground = new QPixmap(d->wallpaperPath);
(*d->bitmapBackground) = d->bitmapBackground->scaled(contentsRect.size());
}
} else {
// got nothing to paint!
//kDebug() << "got nothing?";
// If the derived class can't be bothered - just draw a plane old rectangle
painter->drawRect(contentsRect.adjusted(1, 1, -1, -1));
return;
}
// draw the background untransformed (saves lots of per-pixel-math)
painter->save();
painter->resetTransform();
// blit the background (saves all the per-pixel-products that blending does)
painter->setCompositionMode(QPainter::CompositionMode_Source);
if (d->background) {
// Plasma::Svg doesn't support drawing only part of the image (it only
// supports drawing the whole image to a rect), so we blit to 0,0-w,h
d->background->paint(painter, contentsRect);
//kDebug() << "draw svg of background";
} else if (d->bitmapBackground) {
// for pixmaps we draw only the exposed part (untransformed since the
// bitmapBackground already has the size of the viewport)
painter->drawPixmap(option->exposedRect, *d->bitmapBackground, option->exposedRect);
//kDebug() << "draw pixmap of background";
}
// restore transformation and composition mode
painter->restore();
}
QSizeF Containment::contentSizeHint() const