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Ladybird: Add the node properties tabs to the inspector

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This now allows you to view the computed and resolved style values,
along with the CSS variables of a node.
This commit is contained in:
MacDue 2022-12-18 21:12:14 +00:00 committed by Andrew Kaster
parent aa85a88158
commit 33249c727a
Notes: sideshowbarker 2024-07-17 22:09:47 +09:00 
Author: https://github.com/MacDue
Commit: https://github.com/SerenityOS/serenity/commit/33249c727a
Pull-request: https://github.com/SerenityOS/serenity/pull/16665
5 changed files with 103 additions and 19 deletions
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19
Ladybird/DOMNodeProperties.h Normal file
View file

@ -0,0 +1,19 @@
/*
* Copyright (c) 2022, MacDue <macdue@dueutil.tech>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/String.h>
namespace Ladybird {
struct DOMNodeProperties {
String computed_style_json;
String resolved_style_json;
String custom_properties_json;
};
}

69
Ladybird/InspectorWidget.cpp
View file

@ -6,9 +6,16 @@
#define AK_DONT_REPLACE_STD
#include "InspectorWidget.h"
#include <LibWebView/DOMTreeModel.h>
#include <LibWebView/StylePropertiesModel.h>
#include "InspectorWidget.h"
#include <QCloseEvent>
#include <QHeaderView>
#include <QSplitter>
#include <QStringList>
#include <QTabWidget>
#include <QTableView>
#include <QTreeView>
#include <QVBoxLayout>
@ -17,12 +24,15 @@ namespace Ladybird {
InspectorWidget::InspectorWidget()
{
setLayout(new QVBoxLayout);
m_tree_view = new QTreeView;
m_tree_view->setHeaderHidden(true);
m_tree_view->expandToDepth(3);
layout()->addWidget(m_tree_view);
m_tree_view->setModel(&m_dom_model);
QObject::connect(m_tree_view->selectionModel(), &QItemSelectionModel::selectionChanged,
auto splitter = new QSplitter(this);
layout()->addWidget(splitter);
splitter->setOrientation(Qt::Vertical);
auto tree_view = new QTreeView;
tree_view->setHeaderHidden(true);
tree_view->expandToDepth(3);
splitter->addWidget(tree_view);
tree_view->setModel(&m_dom_model);
QObject::connect(tree_view->selectionModel(), &QItemSelectionModel::selectionChanged,
[this](QItemSelection const& selected, QItemSelection const&) {
auto indexes = selected.indexes();
if (indexes.size()) {
@ -30,16 +40,49 @@ InspectorWidget::InspectorWidget()
set_selection(index);
}
});
auto add_table_tab = [&](auto* tab_widget, auto& model, auto name) {
auto container = new QWidget;
auto table_view = new QTableView;
table_view->setModel(&model);
container->setLayout(new QVBoxLayout);
container->layout()->addWidget(table_view);
table_view->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
table_view->verticalHeader()->setVisible(false);
table_view->horizontalHeader()->setVisible(false);
tab_widget->addTab(container, name);
};
auto node_tabs = new QTabWidget;
add_table_tab(node_tabs, m_computed_style_model, "Computed");
add_table_tab(node_tabs, m_resolved_style_model, "Resolved");
add_table_tab(node_tabs, m_custom_properties_model, "Variables");
splitter->addWidget(node_tabs);
}
void InspectorWidget::set_dom_json(StringView dom_json)
{
m_dom_model.set_underlying_model(WebView::DOMTreeModel::create(dom_json));
}
void InspectorWidget::clear_dom_json()
{
m_dom_model.set_underlying_model(nullptr);
clear_style_json();
}
void InspectorWidget::set_dom_json(StringView dom_json)
void InspectorWidget::load_style_json(StringView computed_style_json, StringView resolved_style_json, StringView custom_properties_json)
{
m_dom_model.set_underlying_model(::WebView::DOMTreeModel::create(dom_json));
m_computed_style_model.set_underlying_model(WebView::StylePropertiesModel::create(computed_style_json));
m_resolved_style_model.set_underlying_model(WebView::StylePropertiesModel::create(resolved_style_json));
m_custom_properties_model.set_underlying_model(WebView::StylePropertiesModel::create(custom_properties_json));
}
void InspectorWidget::clear_style_json()
{
m_computed_style_model.set_underlying_model(nullptr);
m_resolved_style_model.set_underlying_model(nullptr);
m_custom_properties_model.set_underlying_model(nullptr);
}
void InspectorWidget::closeEvent(QCloseEvent* event)
@ -70,7 +113,13 @@ void InspectorWidget::set_selection(GUI::ModelIndex index)
m_selection = selection;
VERIFY(on_dom_node_inspected);
on_dom_node_inspected(m_selection.dom_node_id, m_selection.pseudo_element);
auto maybe_inspected_node_properties = on_dom_node_inspected(m_selection.dom_node_id, m_selection.pseudo_element);
if (!maybe_inspected_node_properties.is_error()) {
auto properties = maybe_inspected_node_properties.release_value();
load_style_json(properties.computed_style_json, properties.resolved_style_json, properties.custom_properties_json);
} else {
clear_style_json();
}
}
}

14
Ladybird/InspectorWidget.h
View file

@ -6,6 +6,7 @@
#pragma once
#include "DOMNodeProperties.h"
#include "ModelTranslator.h"
#include <AK/Optional.h>
#include <AK/StringView.h>
@ -13,6 +14,7 @@
#include <QWidget>
class QTreeView;
class QTableView;
namespace Ladybird {
@ -31,16 +33,22 @@ public:
void clear_dom_json();
void set_dom_json(StringView dom_json);
Function<void(i32, Optional<Web::CSS::Selector::PseudoElement>)> on_dom_node_inspected;
void load_style_json(StringView computed_style_json, StringView resolved_style_json, StringView custom_properties_json);
void clear_style_json();
Function<ErrorOr<DOMNodeProperties>(i32, Optional<Web::CSS::Selector::PseudoElement>)> on_dom_node_inspected;
Function<void()> on_close;
private:
void set_selection(GUI::ModelIndex);
void closeEvent(QCloseEvent*) override;
QTreeView* m_tree_view { nullptr };
ModelTranslator m_dom_model {};
Selection m_selection;
ModelTranslator m_dom_model {};
ModelTranslator m_computed_style_model {};
ModelTranslator m_resolved_style_model {};
ModelTranslator m_custom_properties_model {};
};
}

16
Ladybird/WebContentView.cpp
View file

@ -511,7 +511,7 @@ void WebContentView::ensure_inspector_widget()
};
m_inspector_widget->on_dom_node_inspected = [&](auto id, auto pseudo_element) {
inspect_dom_node(id, pseudo_element);
return inspect_dom_node(id, pseudo_element);
};
}
@ -531,15 +531,21 @@ void WebContentView::inspect_dom_tree()
client().async_inspect_dom_tree();
}
void WebContentView::inspect_dom_node(i32 node_id, Optional<Web::CSS::Selector::PseudoElement> pseudo_element)
ErrorOr<Ladybird::DOMNodeProperties> WebContentView::inspect_dom_node(i32 node_id, Optional<Web::CSS::Selector::PseudoElement> pseudo_element)
{
// TODO: Use and display response
(void)client().inspect_dom_node(node_id, pseudo_element);
auto response = client().inspect_dom_node(node_id, pseudo_element);
if (!response.has_style())
return Error::from_string_view("Inspected node returned no style"sv);
return Ladybird::DOMNodeProperties {
.computed_style_json = TRY(String::from_deprecated_string(response.take_computed_style())),
.resolved_style_json = TRY(String::from_deprecated_string(response.take_resolved_style())),
.custom_properties_json = TRY(String::from_deprecated_string(response.take_custom_properties())),
};
}
void WebContentView::clear_inspected_dom_node()
{
inspect_dom_node(0, {});
(void)inspect_dom_node(0, {});
}
void WebContentView::show_inspector()

4
Ladybird/WebContentView.h
View file

@ -23,6 +23,8 @@
#include <QAbstractScrollArea>
#include <QPointer>
#include "DOMNodeProperties.h"
class QTextEdit;
class QLineEdit;
@ -189,9 +191,9 @@ private:
bool is_inspector_open() const;
void inspect_dom_tree();
void inspect_dom_node(i32 node_id, Optional<Web::CSS::Selector::PseudoElement> pseudo_element);
void clear_inspected_dom_node();
void clear_inspector_callbacks();
ErrorOr<Ladybird::DOMNodeProperties> inspect_dom_node(i32 node_id, Optional<Web::CSS::Selector::PseudoElement> pseudo_element);
qreal m_inverse_pixel_scaling_ratio { 1.0 };
bool m_should_show_line_box_borders { false };