void InlineBlockBox::handleLayout(LayoutEngine& eng, const Dimensions& containing)
{
eng.setCursor(cursor_);
layoutChildren(eng);
layoutHeight(containing);
if(isReplaceable()) {
NodePtr node = getNode();
node->setDimensions(rect(0, 0, getWidth() / LayoutEngine::getFixedPointScale(), getHeight() / LayoutEngine::getFixedPointScale()));
}
// try and fit the box at cursor, failing that we move the cursor and try again.
FixedPoint width_at_cursor = eng.getWidthAtPosition(eng.getCursor().y, eng.getCursor().y + getHeight() + getMBPHeight(), containing.content_.width)
- eng.getCursor().x + eng.getXAtPosition(eng.getCursor().y, eng.getCursor().y + getHeight() + getMBPHeight());
if(getWidth() + getMBPWidth() > width_at_cursor) {
point p = eng.getCursor();
p.y += getLineHeight();
while(eng.hasFloatsAtPosition(p.y, p.y + getHeight() + getMBPHeight()) && getWidth() + getMBPWidth() > width_at_cursor) {
width_at_cursor = eng.getWidthAtPosition(p.y, p.y + getHeight() + getMBPHeight(), containing.content_.width);
}
p.x = eng.getXAtPosition(p.y, p.y + getHeight() + getMBPHeight());
setContentX(p.x);
setContentY(p.y);
p.y += getHeight() + getMBPHeight();
p.x = eng.getXAtPosition(p.y, p.y + getLineHeight());
eng.setCursor(p);
} else {
setContentX(eng.getCursor().x);
// XXX if height is greater than other objects on line we need to increase lineheight.
setContentY(eng.getCursor().y);
eng.setCursor(point(getLeft() + getWidth() + getMBPRight(), eng.getCursor().y));
}
}
void TextBox::handleLayout(LayoutEngine& eng, const Dimensions& containing)
{
// TextBox's have no children to deal with, by definition.
// XXX fix the point() to be the actual last point, say from LayoutEngine
point cursor = reflowText(eng, containing, eng.getCursor());
eng.setCursor(cursor);
calculateHorzMPB(containing.content_.width);
calculateVertMPB(containing.content_.height);
}
void InlineBlockBox::handlePreChildLayout2(LayoutEngine& eng, const Dimensions& containing)
{
cursor_ = eng.getCursor();
eng.setCursor(point(0, 0));
if(!getChildren().empty() || !isReplaceable()) {
setContentHeight(0);
} else if(isReplaceable()) {
NodePtr node = getNode();
const rect& r = node->getDimensions();
setContentWidth(r.w() * LayoutEngine::getFixedPointScale());
setContentHeight(r.h() * LayoutEngine::getFixedPointScale());
}
}
void Box::layout(LayoutEngine& eng, const Dimensions& ocontaining)
{
auto containing = ocontaining;
auto styles = getStyleNode();
std::unique_ptr<LayoutEngine::FloatContextManager> fcm;
if(getParent() && getParent()->isFloat()) {
fcm.reset(new LayoutEngine::FloatContextManager(eng, FloatList()));
}
point cursor;
// If we have a clear flag set, then move the cursor in the layout engine to clear appropriate floats.
if(node_ != nullptr) {
eng.moveCursorToClearFloats(node_->getClear(), cursor);
}
NodePtr node = getNode();
std::unique_ptr<RenderContext::Manager> ctx_manager;
if(node != nullptr) {
ctx_manager.reset(new RenderContext::Manager(node->getProperties()));
}
if(styles != nullptr) {
auto ovf = styles->getOverflow();
// this is kind of a hack, since we really want to avoid re-running layout
//if(ovf == Overflow::SCROLL || ovf == Overflow::AUTO) {
containing.content_.width -= scrollbar_default_width * LayoutEngine::getFixedPointScale();
//}
}
handlePreChildLayout(eng, containing);
if(node_ != nullptr) {
const std::vector<StyleNodePtr>& node_children = node_->getChildren();
if(!node_children.empty()) {
boxes_ = eng.layoutChildren(node_children, shared_from_this());
}
}
for(auto& child : boxes_) {
if(child->isFloat()) {
handlePreChildLayout3(eng, containing);
child->layout(eng, dimensions_);
handlePostFloatChildLayout(eng, child);
eng.addFloat(child);
}
}
offset_ = (getParent() != nullptr ? getParent()->getOffset() : point()) + point(dimensions_.content_.x, dimensions_.content_.y);
if(isBlockBox()) {
const FixedPoint y1 = offset_.y;
point p(eng.getXAtPosition(y1, y1 + getLineHeight()), 0);
eng.setCursor(p);
}
handlePreChildLayout2(eng, containing);
for(auto& child : boxes_) {
if(!child->isFloat()) {
handlePreChildLayout3(eng, containing);
child->layout(eng, dimensions_);
handlePostChildLayout(eng, child);
}
}
handleLayout(eng, containing);
//layoutAbsolute(eng, containing);
for(auto& child : boxes_) {
child->postParentLayout(eng, dimensions_);
}
// need to call this after doing layout, since we need to now what the computed padding/border values are.
border_info_.init(dimensions_);
background_info_.init(dimensions_);
if(isBlockBox() && !isFloat()) {
point p;
p.y = getTop() + getHeight() + getMBPBottom();
p.x = eng.getXAtPosition(p.y, p.y + getLineHeight());
eng.setCursor(p);
}
precss_content_height_ = dimensions_.content_.height;
if(isBlockBox() && styles != nullptr) {
auto css_h = styles->getHeight();
if(!css_h->isAuto()) {
setContentHeight(css_h->getLength().compute(containing.content_.height));
}
}
eng.closeLineBox();
}