serenity/Applications/Browser/InspectorWidget.cpp
Andreas Kling 6f19067c9a LibWeb+Browser: Add a barebones LayoutTreeModel to the inspector window
This allows you to inspect the layout tree, along side the DOM tree.
It will need more functionality to be truly useful, but it's a start.
2020-06-12 22:30:11 +02:00

94 lines
3.5 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "InspectorWidget.h"
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Splitter.h>
#include <LibGUI/TabWidget.h>
#include <LibGUI/TableView.h>
#include <LibGUI/TreeView.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Element.h>
#include <LibWeb/DOMTreeModel.h>
#include <LibWeb/LayoutTreeModel.h>
#include <LibWeb/StylePropertiesModel.h>
namespace Browser {
void InspectorWidget::set_inspected_node(Web::Node* node)
{
node->document().set_inspected_node(node);
if (node && node->is_element()) {
auto& element = Web::to<Web::Element>(*node);
if (element.resolved_style()) {
m_style_table_view->set_model(Web::StylePropertiesModel::create(*element.resolved_style()));
m_computed_style_table_view->set_model(Web::StylePropertiesModel::create(*element.computed_style()));
}
} else {
m_style_table_view->set_model(nullptr);
m_computed_style_table_view->set_model(nullptr);
}
}
InspectorWidget::InspectorWidget()
{
set_layout<GUI::VerticalBoxLayout>();
auto& splitter = add<GUI::VerticalSplitter>();
auto& top_tab_widget = splitter.add<GUI::TabWidget>();
m_dom_tree_view = top_tab_widget.add_tab<GUI::TreeView>("DOM");
m_dom_tree_view->on_selection = [this](auto& index) {
auto* node = static_cast<Web::Node*>(index.internal_data());
set_inspected_node(node);
};
m_layout_tree_view = top_tab_widget.add_tab<GUI::TreeView>("Layout");
m_layout_tree_view->on_selection = [this](auto& index) {
auto* node = static_cast<Web::LayoutNode*>(index.internal_data());
set_inspected_node(node->node());
};
auto& bottom_tab_widget = splitter.add<GUI::TabWidget>();
m_style_table_view = bottom_tab_widget.add_tab<GUI::TableView>("Styles");
m_computed_style_table_view = bottom_tab_widget.add_tab<GUI::TableView>("Computed");
}
InspectorWidget::~InspectorWidget()
{
}
void InspectorWidget::set_document(Web::Document* document)
{
if (m_document == document)
return;
m_document = document;
m_dom_tree_view->set_model(Web::DOMTreeModel::create(*document));
m_layout_tree_view->set_model(Web::LayoutTreeModel::create(*document));
}
}