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use anchorlayout, quite a good quantity of code wiped out,

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workaround to an annoying anchorlayout crasher tough

svn path=/trunk/KDE/kdelibs/; revision=1038665
This commit is contained in:
Marco Martin 2009-10-21 15:26:08 +00:00
parent 637a50e17c
commit 7e80fdd8f1
1 changed files with 17 additions and 32 deletions
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49
widgets/scrollwidget.cpp
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@ -21,6 +21,7 @@
//Qt
#include <QGraphicsSceneResizeEvent>
#include <QGraphicsGridLayout>
#include <QGraphicsAnchorLayout>
#include <QApplication>
#include <QWidget>
#include <QTimer>
@ -94,14 +95,15 @@ public:
topBorder->setSvg(borderSvg);
topBorder->setElementID("border-top");
topBorder->setZValue(900);
topBorder->resize(topBorder->effectiveSizeHint(Qt::PreferredSize));
topBorder->show();
bordersLayout->addAnchors(bordersLayout, topBorder, Qt::Horizontal);
bordersLayout->addAnchor(bordersLayout, Qt::AnchorTop, topBorder, Qt::AnchorTop);
bottomBorder = new Plasma::SvgWidget(q);
bottomBorder->setSvg(borderSvg);
bottomBorder->setElementID("border-bottom");
bottomBorder->setZValue(900);
bottomBorder->resize(bottomBorder->effectiveSizeHint(Qt::PreferredSize));
bottomBorder->show();
bordersLayout->addAnchors(bordersLayout, bottomBorder, Qt::Horizontal);
bordersLayout->addAnchor(bordersLayout, Qt::AnchorBottom, bottomBorder, Qt::AnchorBottom);
} else if (topBorder && widget && widget->size().height() <= q->size().height()) {
//FIXME: in some cases topBorder->deleteLater() is deleteNever(), why?
topBorder->hide();
@ -118,14 +120,16 @@ public:
leftBorder->setSvg(borderSvg);
leftBorder->setElementID("border-left");
leftBorder->setZValue(900);
leftBorder->resize(leftBorder->effectiveSizeHint(Qt::PreferredSize));
leftBorder->show();
bordersLayout->addAnchors(bordersLayout, leftBorder, Qt::Vertical);
bordersLayout->addAnchor(bordersLayout, Qt::AnchorLeft, leftBorder, Qt::AnchorLeft);
rightBorder = new Plasma::SvgWidget(q);
rightBorder->setSvg(borderSvg);
rightBorder->setElementID("border-right");
rightBorder->setZValue(900);
rightBorder->resize(rightBorder->effectiveSizeHint(Qt::PreferredSize));
rightBorder->show();
bordersLayout->addAnchors(bordersLayout, rightBorder, Qt::Vertical);
bordersLayout->addAnchor(bordersLayout, Qt::AnchorRight, rightBorder, Qt::AnchorRight);
} else if (leftBorder && widget && widget->size().width() <= q->size().width()) {
leftBorder->hide();
rightBorder->hide();
@ -137,17 +141,6 @@ public:
layout->activate();
if (topBorder) {
topBorder->resize(q->size().width(), topBorder->size().height());
bottomBorder->resize(q->size().width(), bottomBorder->size().height());
bottomBorder->setPos(0, q->size().height() - topBorder->size().height());
}
if (leftBorder) {
leftBorder->resize(leftBorder->size().width(), q->size().height());
rightBorder->resize(rightBorder->size().width(), q->size().height());
rightBorder->setPos(q->size().width() - rightBorder->size().width(), 0);
}
QSizeF widgetSize = widget->size();
if (widget->sizePolicy().expandingDirections() & Qt::Horizontal) {
//keep a 1 pixel border
@ -214,6 +207,7 @@ public:
ScrollWidget *q;
QGraphicsWidget *scrollingWidget;
QGraphicsAnchorLayout *bordersLayout;
QGraphicsWidget *widget;
Plasma::Svg *borderSvg;
Plasma::SvgWidget *topBorder;
@ -238,8 +232,11 @@ ScrollWidget::ScrollWidget(QGraphicsWidget *parent)
{
d->layout = new QGraphicsGridLayout(this);
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
d->layout->setContentsMargins(1, 1, 1, 1);
d->layout->setContentsMargins(0, 0, 0, 0);
d->scrollingWidget = new QGraphicsWidget(this);
d->bordersLayout = new QGraphicsAnchorLayout(d->scrollingWidget);
//FIXME:setContentsMargins(0) crashes AnchorLayout
d->bordersLayout->setContentsMargins(0.01, 0.01, 0.01, 0.01);
d->layout->addItem(d->scrollingWidget, 0, 0);
d->borderSvg = new Plasma::Svg(this);
d->borderSvg->setImagePath("widgets/scrollwidget");
@ -404,18 +401,6 @@ void ScrollWidget::resizeEvent(QGraphicsSceneResizeEvent *event)
d->adjustClipping();
//if topBorder exists bottomBorder too
if (d->topBorder) {
d->topBorder->resize(event->newSize().width(), d->topBorder->size().height());
d->bottomBorder->resize(event->newSize().width(), d->bottomBorder->size().height());
d->bottomBorder->setPos(0, event->newSize().height() - d->bottomBorder->size().height());
}
if (d->leftBorder) {
d->leftBorder->resize(d->leftBorder->size().width(), event->newSize().height());
d->rightBorder->resize(d->rightBorder->size().width(), event->newSize().height());
d->rightBorder->setPos(event->newSize().width() - d->rightBorder->size().width(), 0);
}
QGraphicsWidget::resizeEvent(event);
}