use SvgPanel. nice way to get rid of 80+ lines of duplicate code
svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=771744
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123
dialog.cpp
123
dialog.cpp
@ -34,7 +34,7 @@
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#include <KDebug>
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#include <NETRootInfo>
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#include <plasma/svg.h>
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#include <plasma/svgpanel.h>
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#ifdef Q_WS_X11
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#include <X11/Xlib.h>
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@ -44,20 +44,31 @@
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namespace Plasma
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{
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class Dialog::Private
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{
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public:
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/**
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* Holds the background SVG, to be re-rendered when the cache is invalidated,
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* for example by resizing the dialogue.
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*/
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Plasma::SvgPanel *background;
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};
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Dialog::Dialog( QWidget * parent, Qt::WindowFlags f )
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: QWidget(parent, f),
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m_cachedBackground(0)
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d(new Private)
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{
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m_background = new Plasma::Svg("dialogs/background", this);
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d->background = new SvgPanel("dialogs/background", this);
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d->background->setBorderFlags(SvgPanel::DrawAllBorders);
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d->background->resize(size());
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const int topHeight = m_background->elementSize("top").height();
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const int leftWidth = m_background->elementSize("left").width();
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const int rightWidth = m_background->elementSize("right").width();
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const int bottomHeight = m_background->elementSize("bottom").height();
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const int topHeight = d->background->marginSize(Plasma::TopMargin);
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const int leftWidth = d->background->marginSize(Plasma::LeftMargin);
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const int rightWidth = d->background->marginSize(Plasma::RightMargin);
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const int bottomHeight = d->background->marginSize(Plasma::BottomMargin);
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setContentsMargins(leftWidth, topHeight, rightWidth, bottomHeight);
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connect(m_background, SIGNAL(repaintNeeded()), this, SLOT(update()));
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connect(d->background, SIGNAL(repaintNeeded()), this, SLOT(update()));
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}
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Dialog::~Dialog()
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@ -71,102 +82,12 @@ void Dialog::paintEvent(QPaintEvent *e)
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p.setClipRect(e->rect());
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p.setCompositionMode(QPainter::CompositionMode_Source );
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p.fillRect(rect(), Qt::transparent);
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paintBackground(&p, e->rect());
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d->background->paint(&p, e->rect());
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}
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void Dialog::paintBackground(QPainter* painter, const QRect &exposedRect)
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void Dialog::resizeEvent(QResizeEvent *e)
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{
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if (!m_cachedBackground || m_cachedBackground->size() != rect().size()) {
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const int contentWidth = rect().width();
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const int contentHeight = rect().height();
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m_background->resize();
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const int topHeight = m_background->elementSize("top").height();
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const int topWidth = m_background->elementSize("top").width();
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const int leftWidth = m_background->elementSize("left").width();
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const int leftHeight = m_background->elementSize("left").height();
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const int rightHeight = m_background->elementSize("right").height();
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const int rightWidth = m_background->elementSize("right").width();
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const int bottomHeight = m_background->elementSize("bottom").height();
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const int bottomWidth = m_background->elementSize("bottom").width();
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const int topOffset = 0;
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const int leftOffset = 0;
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const int rightOffset = contentWidth - rightWidth;
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const int bottomOffset = contentHeight - bottomHeight;
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const int contentTop = topHeight;
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const int contentLeft = leftWidth;
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delete m_cachedBackground;
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m_cachedBackground = new QPixmap(contentWidth, contentHeight);
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m_cachedBackground->fill(Qt::transparent);
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QPainter p(m_cachedBackground);
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p.setCompositionMode(QPainter::CompositionMode_Source);
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p.setRenderHint(QPainter::SmoothPixmapTransform);
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//FIXME: This is a hack to fix a drawing problems with svg files where a thin transparent border is drawn around the svg image.
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// the transparent border around the svg seems to vary in size depending on the size of the svg and as a result increasing the
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// svn image by 2 all around didn't resolve the issue. For now it resizes based on the border size.
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m_background->resize(contentWidth, contentHeight);
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m_background->paint(&p, QRect(leftOffset, topOffset, contentWidth, contentHeight), "center");
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m_background->resize();
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m_background->paint(&p, QRect(leftOffset, topOffset, leftWidth, topHeight), "topleft");
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m_background->paint(&p, QRect(rightOffset, topOffset, rightWidth, topHeight), "topright");
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m_background->paint(&p, QRect(leftOffset, bottomOffset, leftWidth, bottomHeight), "bottomleft");
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m_background->paint(&p, QRect(rightOffset, bottomOffset, rightWidth, bottomHeight), "bottomright");
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if (m_background->elementExists("hint-stretch-borders")) {
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m_background->paint(&p, QRect(leftOffset, contentTop, leftWidth, contentHeight), "left");
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m_background->paint(&p, QRect(rightOffset, contentTop, rightWidth, contentHeight), "right");
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m_background->paint(&p, QRect(contentLeft, topOffset, contentWidth, topHeight), "top");
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m_background->paint(&p, QRect(contentLeft, bottomOffset, contentWidth, bottomHeight), "bottom");
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} else {
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QPixmap left(leftWidth, leftHeight);
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left.fill(Qt::transparent);
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{
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QPainter sidePainter(&left);
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sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
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m_background->paint(&sidePainter, QPoint(0, 0), "left");
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}
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p.drawTiledPixmap(QRect(leftOffset, contentTop, leftWidth, contentHeight - topHeight - bottomHeight), left);
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QPixmap right(rightWidth, rightHeight);
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right.fill(Qt::transparent);
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{
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QPainter sidePainter(&right);
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sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
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m_background->paint(&sidePainter, QPoint(0, 0), "right");
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}
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p.drawTiledPixmap(QRect(rightOffset, contentTop, rightWidth, contentHeight - topHeight - bottomHeight), right);
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QPixmap top(topWidth, topHeight);
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top.fill(Qt::transparent);
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{
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QPainter sidePainter(&top);
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sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
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m_background->paint(&sidePainter, QPoint(0, 0), "top");
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}
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p.drawTiledPixmap(QRect(contentLeft, topOffset, contentWidth - rightWidth - leftWidth, topHeight), top);
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QPixmap bottom(bottomWidth, bottomHeight);
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bottom.fill(Qt::transparent);
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{
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QPainter sidePainter(&bottom);
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sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
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m_background->paint(&sidePainter, QPoint(0, 0), "bottom");
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}
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p.drawTiledPixmap(QRect(contentLeft, bottomOffset, contentWidth - rightWidth - leftWidth, bottomHeight), bottom);
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}
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// re-enable this once Qt's svg rendering is un-buggered
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//background->resize(contentWidth, contentHeight);
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//background->paint(&p, QRect(contentLeft, contentTop, contentWidth, contentHeight), "center");
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}
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painter->drawPixmap(exposedRect, *m_cachedBackground, exposedRect);
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d->background->resize(e->size());
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}
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void Dialog::position(QGraphicsSceneEvent *event, const QRectF boundingRect, QPointF scenePos)
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22
dialog.h
22
dialog.h
@ -28,11 +28,8 @@
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#include <plasma/plasma_export.h>
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namespace Plasma
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{
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class Svg;
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/**
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* @short A dialog that uses the Plasma style
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@ -75,23 +72,12 @@ class PLASMA_EXPORT Dialog : public QWidget
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/**
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* Reimplemented from QWidget
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*/
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void paintEvent( QPaintEvent *e );
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void paintEvent(QPaintEvent *e);
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void resizeEvent(QResizeEvent *e);
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private:
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/**
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* Paints the plasma-themed background
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*/
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void paintBackground(QPainter* painter, const QRect &exposedRect);
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/**
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* Holds the background SVG, to be re-rendered when the cache is invalidated,
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* for example by resizing the dialogue.
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*/
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Plasma::Svg *m_background;
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/**
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* Holds a pixmap of the rendered SVG background so we don't need to re-render
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* it when not necessary.
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*/
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QPixmap *m_cachedBackground;
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class Private;
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Private * const d;
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};
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} // Plasma namespace
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