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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "utils_global.h"
#include "optional.h"
#include <QList>
#include <QString>
#include <QVariant>
QT_BEGIN_NAMESPACE
class QLayout;
class QWidget;
QT_END_NAMESPACE
namespace Utils {
class BaseAspect;
class BoolAspect;
namespace Layouting {
enum AttachType {
WithMargins,
WithoutMargins,
WithFormAlignment, // Handle Grid similar to QFormLayout, i.e. use special alignment for the first column on Mac
};
} // Layouting
class QTCREATOR_UTILS_EXPORT LayoutBuilder
{
public:
enum LayoutType {
HBoxLayout,
VBoxLayout,
FormLayout,
GridLayout,
};
enum class AlignmentType {
DefaultAlignment,
AlignAsFormLabel,
};
enum class SpecialType {
NotSpecial,
Space,
Stretch,
Break,
};
using Setter = std::function<void(QObject *target)>;
class QTCREATOR_UTILS_EXPORT LayoutItem
{
public:
LayoutItem();
LayoutItem(QLayout *layout);
LayoutItem(QWidget *widget);
LayoutItem(BaseAspect *aspect); // Remove
LayoutItem(BaseAspect &aspect);
LayoutItem(const QString &text);
LayoutItem(const LayoutBuilder &builder);
LayoutItem(const Setter &setter) { this->setter = setter; }
QLayout *layout = nullptr;
QWidget *widget = nullptr;
BaseAspect *aspect = nullptr;
QString text; // FIXME: Use specialValue for that
int span = 1;
AlignmentType align = AlignmentType::DefaultAlignment;
Setter setter;
SpecialType specialType = SpecialType::NotSpecial;
QVariant specialValue;
};
using LayoutItems = QList<LayoutItem>;
explicit LayoutBuilder(LayoutType layoutType, const LayoutItems &items = {});
LayoutBuilder(const LayoutBuilder &) = delete;
LayoutBuilder(LayoutBuilder &&) = default;
LayoutBuilder &operator=(const LayoutBuilder &) = delete;
LayoutBuilder &operator=(LayoutBuilder &&) = default;
~LayoutBuilder();
LayoutBuilder &setSpacing(int spacing);
LayoutBuilder &addItem(const LayoutItem &item);
LayoutBuilder &addItems(const LayoutItems &items);
LayoutBuilder &finishRow();
LayoutBuilder &addRow(const LayoutItem &item);
LayoutBuilder &addRow(const LayoutItems &items);
LayoutType layoutType() const { return m_layoutType; }
void attachTo(QWidget *w, Layouting::AttachType attachType = Layouting::WithMargins) const;
QWidget *emerge(Layouting::AttachType attachType = Layouting::WithMargins);
class QTCREATOR_UTILS_EXPORT Space : public LayoutItem
{
public:
explicit Space(int space);
};
class QTCREATOR_UTILS_EXPORT Span : public LayoutItem
{
public:
Span(int span, const LayoutItem &item);
};
class QTCREATOR_UTILS_EXPORT Stretch : public LayoutItem
{
public:
explicit Stretch(int stretch = 1);
};
class QTCREATOR_UTILS_EXPORT Break : public LayoutItem
{
public:
Break();
};
protected:
explicit LayoutBuilder(); // Adds to existing layout.
QLayout *createLayout() const;
void doLayout(QWidget *parent, Layouting::AttachType attachType) const;
LayoutItems m_items;
LayoutType m_layoutType;
Utils::optional<int> m_spacing;
};
class QTCREATOR_UTILS_EXPORT LayoutExtender : public LayoutBuilder
{
public:
explicit LayoutExtender(QLayout *layout, Layouting::AttachType attachType);
~LayoutExtender();
private:
QLayout *m_layout = nullptr;
Layouting::AttachType m_attachType = {};
};
namespace Layouting {
QTCREATOR_UTILS_EXPORT LayoutBuilder::Setter title(const QString &title,
BoolAspect *checker = nullptr);
QTCREATOR_UTILS_EXPORT LayoutBuilder::Setter text(const QString &text);
QTCREATOR_UTILS_EXPORT LayoutBuilder::Setter tooltip(const QString &toolTip);
QTCREATOR_UTILS_EXPORT LayoutBuilder::Setter onClicked(const std::function<void()> &func,
QObject *guard = nullptr);
class QTCREATOR_UTILS_EXPORT Group : public LayoutBuilder::LayoutItem
{
public:
Group(std::initializer_list<LayoutItem> items);
};
class QTCREATOR_UTILS_EXPORT PushButton : public LayoutBuilder::LayoutItem
{
public:
PushButton(std::initializer_list<LayoutItem> items);
};
class QTCREATOR_UTILS_EXPORT Column : public LayoutBuilder
{
public:
Column() : LayoutBuilder(VBoxLayout) {}
Column(std::initializer_list<LayoutItem> items) : LayoutBuilder(VBoxLayout, items) {}
};
class QTCREATOR_UTILS_EXPORT Row : public LayoutBuilder
{
public:
Row() : LayoutBuilder(HBoxLayout) {}
Row(std::initializer_list<LayoutItem> items) : LayoutBuilder(HBoxLayout, items) {}
};
class QTCREATOR_UTILS_EXPORT Grid : public LayoutBuilder
{
public:
Grid() : LayoutBuilder(GridLayout) {}
Grid(std::initializer_list<LayoutItem> items) : LayoutBuilder(GridLayout, items) {}
};
class QTCREATOR_UTILS_EXPORT Form : public LayoutBuilder
{
public:
Form() : LayoutBuilder(FormLayout) {}
Form(std::initializer_list<LayoutItem> items) : LayoutBuilder(FormLayout, items) {}
};
using Space = LayoutBuilder::Space;
using Span = LayoutBuilder::Span;
QTCREATOR_UTILS_EXPORT extern LayoutBuilder::Break br;
QTCREATOR_UTILS_EXPORT extern LayoutBuilder::Stretch st;
QTCREATOR_UTILS_EXPORT extern LayoutBuilder::Space empty;
} // Layouting
} // Utils
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