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LibHTML: Implement the <blink> element

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Just in time for Serenity's 1st birthday, here is the <blink> element!

This patch adds a bunch of different mechanisms to enable partial
repaints of the layout tree (LayoutNode::set_needs_display()))
It also adds LayoutNode::is_visible(), which can be toggled to prevent
a LayoutNode from rendering anything (it still takes up space though.)
This commit is contained in:
Andreas Kling 2019-10-09 21:25:29 +02:00
parent 33043941f9
commit fdbad6284c
16 changed files with 140 additions and 0 deletions
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5
Libraries/LibHTML/Frame.h
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@ -1,8 +1,10 @@
#pragma once
#include <AK/Function.h>
#include <AK/Noncopyable.h>
#include <AK/RefPtr.h>
#include <AK/Weakable.h>
#include <LibDraw/Rect.h>
#include <LibDraw/Size.h>
#include <LibHTML/TreeNode.h>
@ -23,6 +25,9 @@ public:
const Size& size() const { return m_size; }
void set_size(const Size&);
void set_needs_display(const Rect&);
Function<void(const Rect&)> on_set_needs_display;
private:
Frame();