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LibHTML: Add a Frame class and use it for document layout width

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Each HtmlView now has a main_frame(), which represents the main frame
of the web page. Frame inherits from TreeNode<Frame>, which will allow
us to someday implement a Frame tree (to support the <frame> element.)
This commit is contained in:
Andreas Kling 2019-10-04 15:50:04 +02:00
parent b1758ae2b3
commit 7bc9310170
9 changed files with 101 additions and 8 deletions
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10
Libraries/LibHTML/HtmlView.cpp
View file

@ -4,6 +4,7 @@
#include <LibHTML/DOM/Element.h>
#include <LibHTML/DOM/HTMLAnchorElement.h>
#include <LibHTML/Dump.h>
#include <LibHTML/Frame.h>
#include <LibHTML/HtmlView.h>
#include <LibHTML/Layout/LayoutNode.h>
#include <LibHTML/RenderingContext.h>
@ -11,6 +12,7 @@
HtmlView::HtmlView(GWidget* parent)
: GScrollableWidget(parent)
, m_main_frame(Frame::create())
{
set_frame_shape(FrameShape::Container);
set_frame_shadow(FrameShadow::Sunken);
@ -19,12 +21,18 @@ HtmlView::HtmlView(GWidget* parent)
set_background_color(Color::White);
}
HtmlView::~HtmlView()
{
}
void HtmlView::set_document(Document* document)
{
if (document == m_document)
return;
m_document = document;
main_frame().set_document(document);
if (document == nullptr)
m_layout_root = nullptr;
else
@ -46,7 +54,7 @@ void HtmlView::layout_and_sync_size()
if (!m_layout_root)
return;
m_layout_root->style().size().set_width(available_size().width());
main_frame().set_size(available_size());
m_layout_root->layout();
set_content_size(m_layout_root->rect().size());