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new theming capabilities into the bar meter widget

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svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=876149
This commit is contained in:
Marco Martin 2008-10-26 16:00:32 +00:00
parent 08b16a80dc
commit 9dfd938d17
1 changed files with 72 additions and 9 deletions
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77
widgets/meter.cpp
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@ -18,7 +18,8 @@
*/
#include "meter.h"
#include "plasma/svg.h"
#include "plasma/panelsvg.h"
#include <cmath>
#include <kdebug.h>
#include <QPainter>
@ -41,7 +42,7 @@ public:
{
if (image->hasElement(elementID)) {
QRectF elementRect = image->elementRect(elementID);
image->paint(p, elementRect.topLeft(), elementID);
image->paint(p, elementRect, elementID);
}
}
@ -81,18 +82,71 @@ public:
}
}
QRectF barRect()
{
if (labels.count() > 0) {
return image->elementRect("background");
} else {
return QRectF(QPoint(0,0), meter->size());
}
}
void paintBackground(QPainter *p)
{
//be retrocompatible with themes for kde <= 4.1
if (image->hasElement("background-center")) {
QRectF elementRect = barRect();
QSize imageSize = image->size();
image->resize();
image->setElementPrefix("background");
image->resizePanel(elementRect.size());
image->paintPanel(p, elementRect.topLeft());
image->resize(imageSize);
paintBar(p, "bar-inactive");
} else {
paint(p, "background");
p->save();
}
}
void paintBar(QPainter *p, const QString &prefix)
{
QRectF elementRect = barRect();
QSize imageSize = image->size();
image->resize();
QSize tileSize = image->elementSize("bar-active-center");
if (elementRect.width() > elementRect.height()) {
qreal ratio = tileSize.height() / tileSize.width();
int numTiles = elementRect.width()/(elementRect.height()/ratio);
tileSize = QSize(elementRect.width()/numTiles, elementRect.height());
QPoint center = elementRect.center().toPoint();
elementRect.setWidth(tileSize.width()*numTiles);
elementRect.moveCenter(center);
} else {
qreal ratio = tileSize.width() / tileSize.height();
int numTiles = elementRect.height()/(elementRect.width()/ratio);
tileSize = QSize(elementRect.width(), elementRect.height()/numTiles);
QPoint center = elementRect.center().toPoint();
elementRect.setHeight(tileSize.height()*numTiles);
elementRect.moveCenter(center);
}
image->setElementPrefix(prefix);
image->resizePanel(tileSize);
p->drawTiledPixmap(elementRect, image->panelPixmap());
image->resize(imageSize);
}
void paintForeground(QPainter *p)
{
p->restore();
for (int i = 0; i < labels.count(); ++i) {
text(p, i);
}
paint(p, "foreground");
}
@ -126,7 +180,7 @@ public:
QList<QFont> fonts;
QString svg;
Meter::MeterType meterType;
Plasma::Svg *image;
Plasma::PanelSvg *image;
int minrotate;
int maxrotate;
Meter *meter;
@ -246,7 +300,7 @@ void Meter::setSvg(const QString &svg)
{
d->svg = svg;
delete d->image;
d->image = new Plasma::Svg(this);
d->image = new Plasma::PanelSvg(this);
d->image->setImagePath(svg);
// To create renderer and get default size
d->image->resize();
@ -309,7 +363,8 @@ void Meter::paint(QPainter *p,
case BarMeterVertical:
d->paintBackground(p);
clipRect = d->image->elementRect("bar");
p->save();
clipRect = d->barRect();
if (clipRect.width() > clipRect.height()) {
clipRect.setWidth(clipRect.width() * percentage);
} else {
@ -318,13 +373,20 @@ void Meter::paint(QPainter *p,
clipRect.moveBottom(bottom);
}
p->setClipRect(clipRect);
//be retrocompatible
if (d->image->hasElement("bar-active-center")) {
d->paintBar(p, "bar-active");
} else {
d->paint(p, "bar");
}
p->restore();
d->paintForeground(p);
break;
case AnalogMeter:
d->paintBackground(p);
p->save();
if (d->image->hasElement("rotatecenter")) {
QRectF r = d->image->elementRect("rotatecenter");
rotateCenter = QPointF(r.left() + r.width() / 2,
@ -338,6 +400,7 @@ void Meter::paint(QPainter *p,
p->rotate(angle);
p->translate(-1 * rotateCenter);
d->paint(p, "pointer");
p->restore();
d->paintForeground(p);
break;