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LibHTML: Add layout() overrides for LayoutText and LayoutBlock.

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This commit is contained in:
Andreas Kling 2019-06-20 23:00:26 +02:00
parent 8cb0c765ca
commit 2e2b97dc8a
6 changed files with 38 additions and 0 deletions
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7
LibHTML/Layout/LayoutBlock.cpp
View file

@ -9,3 +9,10 @@ LayoutBlock::LayoutBlock(Element& element)
LayoutBlock::~LayoutBlock()
{
}
void LayoutBlock::layout()
{
LayoutNode::layout();
}

2
LibHTML/Layout/LayoutBlock.h
View file

@ -11,5 +11,7 @@ public:
virtual const char* class_name() const override { return "LayoutBlock"; }
virtual void layout() override;
private:
};

4
LibHTML/Layout/LayoutNode.h
View file

@ -25,6 +25,8 @@ public:
bool is_anonymous() const { return !m_node; }
const Node* node() const { return m_node; }
const LayoutNode* parent_layout_node() const { return m_parent_node; }
LayoutNode* next_sibling() { return m_next_sibling; }
LayoutNode* previous_sibling() { return m_previous_sibling; }
LayoutNode* first_child() { return m_first_child; }
@ -34,6 +36,8 @@ public:
const LayoutNode* first_child() const { return m_first_child; }
const LayoutNode* last_child() const { return m_last_child; }
bool has_children() const { return m_first_child; }
void append_child(Retained<LayoutNode>);
void set_next_sibling(LayoutNode* node) { m_next_sibling = node; }

11
LibHTML/Layout/LayoutText.cpp
View file

@ -26,3 +26,14 @@ const String& LayoutText::text() const
return one_space;
return node().data();
}
void LayoutText::compute_runs()
{
}
void LayoutText::layout()
{
ASSERT(!has_children());
compute_runs();
}

11
LibHTML/Layout/LayoutText.h
View file

@ -14,6 +14,17 @@ public:
virtual const char* class_name() const override { return "LayoutText"; }
virtual bool is_text() const final { return true; }
virtual void layout() override;
struct Run {
Point pos;
String text;
};
const Vector<Run>& runs() const { return m_runs; }
private:
void compute_runs();
Vector<Run> m_runs;
};

3
LibHTML/test.cpp
View file

@ -17,12 +17,15 @@ int main(int argc, char** argv)
doc->build_layout_tree();
ASSERT(doc->layout_node());
printf("\033[33;1mLayout tree before layout:\033[0m\n");
dump_tree(*doc->layout_node());
auto frame = make<Frame>();
frame->set_document(doc);
frame->layout();
printf("\033[33;1mLayout tree after layout:\033[0m\n");
dump_tree(*doc->layout_node());
return 0;
}