void TabBar::mousePressEvent(QMouseEvent* ev)
{
if (d->tabs.count() == 0) {
update();
return;
}
d->layoutTabs();
QPoint pos = ev->pos();
if (!isRightToLeft()) pos = pos - QPoint(d->offset, 0);
int tab = d->tabAt(pos) + 1;
if ((tab > 0) && (tab != d->activeTab)) {
d->activeTab = tab;
update();
emit tabChanged(d->tabs[ d->activeTab-1]);
// scroll if partially visible
if (d->tabRects[ tab-1 ].right() > width() - d->offset)
scrollForward();
}
if (ev->button() == Qt::RightButton)
if (!d->readOnly)
emit contextMenu(ev->globalPos());
}
// creates a new tabbar
TabBar::TabBar(QWidget* parent, const char* /*name*/)
: QWidget(parent)
, d(new TabBarPrivate)
{
d->tabbar = this;
d->readOnly = false;
d->firstTab = 1;
d->lastTab = 0;
d->activeTab = 0;
d->targetTab = 0;
d->wheelDelta = 0;
d->autoScroll = false;
d->offset = 64;
// initialize the scroll buttons
d->scrollFirstButton = new QToolButton(this);
connect(d->scrollFirstButton, SIGNAL(clicked()),
this, SLOT(scrollFirst()));
d->scrollLastButton = new QToolButton(this);
connect(d->scrollLastButton, SIGNAL(clicked()),
this, SLOT(scrollLast()));
d->scrollBackButton = new QToolButton(this);
connect(d->scrollBackButton, SIGNAL(clicked()),
this, SLOT(scrollBack()));
d->scrollForwardButton = new QToolButton(this);
connect(d->scrollForwardButton, SIGNAL(clicked()),
this, SLOT(scrollForward()));
d->layoutButtons();
d->updateButtons();
}
void TabBar::autoScrollForward()
{
if (!d->autoScroll) return;
scrollForward();
if (!canScrollForward())
d->autoScroll = false;
else
QTimer::singleShot(400, this, SLOT(autoScrollForward()));
}
void KoTabBar::wheelEvent( QWheelEvent * e )
{
if ( d->tabs.count() == 0 )
{
update();
return;
}
// Currently one wheel movement is a delta of 120.
// The 'unused' delta is stored for devices that allow
// a higher scrolling resolution.
// The delta required to move one tab is one wheel movement:
const int deltaRequired = 120;
d->wheelDelta += e->delta();
int tabDelta = - (d->wheelDelta / deltaRequired);
d->wheelDelta = d->wheelDelta % deltaRequired;
int numTabs = d->tabs.size();
if(d->activeTab + tabDelta > numTabs)
{
// Would take us past the last tab
d->activeTab = numTabs;
}
else if (d->activeTab + tabDelta < 1)
{
// Would take us before the first tab
d->activeTab = 1;
}
else
{
d->activeTab = d->activeTab + tabDelta;
}
// Find the left and right edge of the new tab. If we're
// going forward, and the right of the new tab isn't visible
// then scroll forward. Likewise, if going back, and the
// left of the new tab isn't visible, then scroll back.
int activeTabRight = d->tabRects[ d->activeTab-1 ].right();
int activeTabLeft = d->tabRects[ d->activeTab-1 ].left();
if(tabDelta > 0 && activeTabRight > width() - d->offset )
{
scrollForward();
}
else if(tabDelta < 0 && activeTabLeft < width() - d->offset )
{
scrollBack();
}
update();
emit tabChanged( d->tabs[ d->activeTab-1] );
}
KarbonPaletteBarWidget::KarbonPaletteBarWidget(Qt::Orientation orientation, QWidget *parent)
: QWidget(parent)
, m_prevButton(0), m_nextButton(0), m_choosePalette(0), m_colorBar(0)
, m_palettes(KoResourceServerProvider::instance()->paletteServer())
{
m_palettes.connectToResourceServer();
m_prevButton = new QToolButton(this);
m_prevButton->setAutoRepeat(true);
m_prevButton->setAutoRepeatInterval(ScrollUpdateIntervall);
m_nextButton = new QToolButton(this);
m_nextButton->setAutoRepeat(true);
m_nextButton->setAutoRepeatInterval(ScrollUpdateIntervall);
m_choosePalette = new QToolButton(this);
m_choosePalette->setToolTip(i18n("Select palette"));
m_choosePalette->setArrowType(Qt::DownArrow);
m_colorBar = new KarbonPaletteWidget(this);
m_colorBar->setOrientation(orientation);
connect(m_prevButton, SIGNAL(clicked()), m_colorBar, SLOT(scrollBackward()));
connect(m_nextButton, SIGNAL(clicked()), m_colorBar, SLOT(scrollForward()));
connect(m_colorBar, SIGNAL(colorSelected(KoColor)), this, SIGNAL(colorSelected(KoColor)));
connect(m_colorBar, SIGNAL(scrollOffsetChanged()), this, SLOT(updateButtons()));
connect(m_choosePalette, SIGNAL(clicked()), this, SLOT(selectPalette()));
setMinimumSize(FixedWidgetSize, FixedWidgetSize);
m_colorBar->setMinimumSize(FixedWidgetSize, FixedWidgetSize);
createLayout();
m_documentColors.setName(DocumentColorsName);
QList<KoResource*> resources = m_palettes.resources();
if (resources.count()) {
KConfigGroup paletteGroup = KGlobal::mainComponent().config()->group("PaletteBar");
QString lastPalette = paletteGroup.readEntry("LastPalette", "SVG Colors");
KoResource *r = resources.first();
if (lastPalette == DocumentColorsName) {
r = &m_documentColors;
} else {
foreach(KoResource *res, resources) {
if (res->name() == lastPalette) {
r = res;
break;
}
}
}
m_colorBar->setPalette(dynamic_cast<KoColorSet*>(r));
updateDocumentColors();
}
void TabBar::ensureVisible(const QString& tab)
{
int i = d->tabs.indexOf(tab);
if (i == -1)
return;
i++;
// already visible, then do nothing
if ((i >= d->firstTab) && (i <= d->lastTab))
return;
if (i < d->firstTab)
while (i < d->firstTab)
scrollBack();
if (i > d->lastTab)
while (i > d->lastTab)
scrollForward();
}
