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make the tabbar resize vertically when there are no tabs too

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svn path=/trunk/KDE/kdelibs/; revision=1179179
This commit is contained in:
Giulio Camuffo 2010-09-24 18:42:00 +00:00
parent 9ecae806dd
commit 72b4a73b5d
1 changed files with 9 additions and 0 deletions
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9
widgets/tabbar.cpp
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@ -96,6 +96,7 @@ public:
TabBar *q;
TabBarProxy *tabProxy;
QList<QGraphicsWidget *> pages;
QGraphicsWidget *emptyTabBarSpacer;
QGraphicsLinearLayout *mainLayout;
QGraphicsLinearLayout *tabWidgetLayout;
QGraphicsLinearLayout *tabBarLayout;
@ -257,7 +258,12 @@ TabBar::TabBar(QGraphicsWidget *parent)
setLayout(d->mainLayout);
d->mainLayout->setContentsMargins(0,0,0,0);
//simulate a page until there isn't one
//needed to make the widget resize well when there are no tab added
d->emptyTabBarSpacer = new QGraphicsWidget(this);
d->tabWidgetLayout->addItem(d->tabBarLayout);
d->tabWidgetLayout->addItem(d->emptyTabBarSpacer);
//tabBar is centered, so a stretch at begin one at the end
d->tabBarLayout->addStretch();
@ -313,6 +319,7 @@ int TabBar::insertTab(int index, const QIcon &icon, const QString &label,
d->pages.insert(qBound(0, index, d->pages.count()), page);
if (d->pages.count() == 1) {
d->tabWidgetLayout->removeItem(d->emptyTabBarSpacer);
d->tabWidgetLayout->addItem(page);
page->setVisible(true);
page->setEnabled(true);
@ -476,6 +483,8 @@ void TabBar::removeTab(int index)
if (d->pages.count() > 0) {
d->updateTabWidgetMode();
} else {
d->tabWidgetLayout->addItem(d->emptyTabBarSpacer);
}
d->tabProxy->setPreferredSize(d->tabProxy->native->sizeHint());
}