void WWidget::scheduleRerender(bool laterOnly, WFlags<RepaintFlag> flags)
{
if (!flags_.test(BIT_NEED_RERENDER)) {
flags_.set(BIT_NEED_RERENDER);
WApplication::instance()->session()->renderer().needUpdate(this, laterOnly);
}
if ((flags & RepaintSizeAffected) &&
!flags_.test(BIT_NEED_RERENDER_SIZE_CHANGE)) {
flags_.set(BIT_NEED_RERENDER_SIZE_CHANGE);
webWidget()->parentResized(this, Vertical);
/*
* A size change to an absolutely positioned widget will not affect
* a layout computation, except if it's itself in a layout!
*/
if (positionScheme() == Absolute && !isInLayout())
return;
/*
* Propagate event up, this will be caught by a container widget
* with a layout manager.
*/
WWidget *p = parent();
if (p)
p->childResized(this, Vertical);
}
}
void Spacer::setSizeHintProperty(const QSize &s)
{
m_sizeHint = s;
if (!isInLayout()) // Visible resize only if not in layout
resize(s + m_SizeOffset);
updateGeometry();
}
void WWidget::childResized(WWidget *child, WFlags<Orientation> directions)
{
/*
* Stop propagation at an absolutely positioned widget
*/
if (positionScheme() == Absolute && !isInLayout())
return;
WWidget *p = parent();
if (p)
p->childResized(this, directions);
}
void Spacer::setOrientation(Qt::Orientation o)
{
if (m_orientation == o)
return;
const QSizePolicy::Policy st = sizeType(); // flip size type
m_orientation = o;
setSizeType(st);
if (m_interactive) {
m_sizeHint = QSize(m_sizeHint.height(), m_sizeHint.width());
if (!isInLayout())
resize(m_sizeHint + m_SizeOffset);
}
updateMask();
update();
updateGeometry();
}
void Spacer::resizeEvent(QResizeEvent* e)
{
QWidget::resizeEvent(e);
// When resized by widget handle dragging after a reset (QSize(0, 0)):
// Mark the property as changed (geometry and sizeHint are in sync except for 'changed').
if (m_formWindow) {
const QSize oldSize = e->oldSize();
if (oldSize.isNull() || oldSize.width() <= m_SizeOffset.width() || oldSize.height() <= m_SizeOffset.height())
if (QDesignerPropertySheetExtension *sheet = qt_extension<QDesignerPropertySheetExtension*>(m_formWindow->core()->extensionManager(), this))
sheet->setChanged(sheet->indexOf(QLatin1String("sizeHint")), true);
}
updateMask();
if (!m_interactive)
return;
if (!isInLayout()) { // Allow size-handle resize only if not in layout
const QSize currentSize = size();
if (currentSize.width() >= m_SizeOffset.width() && currentSize.height() >= m_SizeOffset.height())
m_sizeHint = currentSize - m_SizeOffset;
}
}
QSize Spacer::sizeHint() const
{
return isInLayout() ? m_sizeHint : m_sizeHint + m_SizeOffset;
}
DomElement *WPaintedWidget::createDomElement(WApplication *app)
{
if (isInLayout()) {
setLayoutSizeAware(true);
setJavaScriptMember(WT_RESIZE_JS,
"function(self, w, h) {"
"""var u = $(self).find('canvas, img');"
"""if (w >= 0) "
"" "u.width(w);"
"""if (h >= 0) "
"" "u.height(h);"
"}");
}
createPainter();
DomElement *result = DomElement::createNew(domElementType());
setId(result, app);
DomElement *wrap = result;
if (width().isAuto() && height().isAuto()) {
result->setProperty(PropertyStylePosition, "relative");
wrap = DomElement::createNew(DomElement_DIV);
wrap->setProperty(PropertyStylePosition, "absolute");
wrap->setProperty(PropertyStyleLeft, "0");
wrap->setProperty(PropertyStyleRight, "0");
}
DomElement *canvas = DomElement::createNew(DomElement_DIV);
if (!app->environment().agentIsSpiderBot())
canvas->setId('p' + id());
WPaintDevice *device = painter_->getPaintDevice(false);
//handle the widget correctly when inline and using VML
if (painter_->renderType() == WWidgetPainter::InlineVml && isInline()) {
result->setProperty(PropertyStyle, "zoom: 1;");
canvas->setProperty(PropertyStyleDisplay, "inline");
canvas->setProperty(PropertyStyle, "zoom: 1;");
}
if (renderWidth_ != 0 && renderHeight_ != 0) {
paintEvent(device);
#ifdef WT_TARGET_JAVA
if (device->painter())
device->painter()->end();
#endif // WT_TARGET_JAVA
}
painter_->createContents(canvas, device);
needRepaint_ = false;
wrap->addChild(canvas);
if (wrap != result)
result->addChild(wrap);
updateDom(*result, true);
return result;
}
void WScrollArea::updateDom(DomElement& element, bool all)
{
if (all)
if (isInLayout() && WApplication::instance()->environment().ajax()) {
setJavaScriptMember("wtResize",
"function(s, w, h) {"
"s.style.width=w+'px';"
"s.style.height=h+'px';"
"}");
}
if (widgetChanged_ || all) {
if (widget_)
element.addChild(widget_->createSDomElement(WApplication::instance()));
widgetChanged_ = false;
}
if (scrollBarChanged_ || all) {
if ((horizontalScrollBar_->tiesChanged_)
|| (verticalScrollBar_->tiesChanged_)) {
horizontalScrollBar_->tiesChanged_ = true;
verticalScrollBar_->tiesChanged_ = true;
}
horizontalScrollBar_->updateDom(element, all);
verticalScrollBar_->updateDom(element, all);
scrollBarChanged_ = false;
}
if (scrollBarPolicyChanged_ || all) {
switch (horizontalScrollBarPolicy_) {
case ScrollBarAsNeeded:
element.setProperty(Wt::PropertyStyleOverflowX, "auto");
break;
case ScrollBarAlwaysOff:
element.setProperty(Wt::PropertyStyleOverflowX, "hidden");
break;
case ScrollBarAlwaysOn:
element.setProperty(Wt::PropertyStyleOverflowX, "scroll");
break;
}
switch (verticalScrollBarPolicy_) {
case ScrollBarAsNeeded:
element.setProperty(Wt::PropertyStyleOverflowY, "auto");
break;
case ScrollBarAlwaysOff:
element.setProperty(Wt::PropertyStyleOverflowY, "hidden");
break;
case ScrollBarAlwaysOn:
element.setProperty(Wt::PropertyStyleOverflowY, "scroll");
break;
}
scrollBarPolicyChanged_ = false;
}
WWebWidget::updateDom(element, all);
}