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/*
SPDX-FileCopyrightText: 2008 David Nolden <david.nolden.kdevelop@art-master.de>
SPDX-License-Identifier: LGPL-2.0-only
*/
#ifndef KDEVPLATFORM_USESWIDGET_H
#define KDEVPLATFORM_USESWIDGET_H
#include <QWidget>
#include <QScrollArea>
#include <QSharedPointer>
#include <language/duchain/indexeddeclaration.h>
#include <language/duchain/indexedtopducontext.h>
#include <language/languageexport.h>
#include "usescollector.h"
#include <language/editor/persistentmovingrange.h>
class QLabel;
class QVBoxLayout;
class QHBoxLayout;
class QBoxLayout;
class QProgressBar;
namespace KDevelop {
class CodeRepresentation;
class IndexedDeclaration;
///A widget representing one use of a Declaration in a specific context
class KDEVPLATFORMLANGUAGE_EXPORT OneUseWidget
: public QWidget
{
Q_OBJECT
public:
OneUseWidget(IndexedDeclaration declaration, const IndexedString& document, KTextEditor::Range range,
const CodeRepresentation& code);
~OneUseWidget() override;
void setHighlighted(bool highlight);
bool isHighlighted() const;
void activateLink();
private:
void mousePressEvent(QMouseEvent* event) override;
void resizeEvent (QResizeEvent* event) override;
PersistentMovingRange::Ptr m_range;
IndexedDeclaration m_declaration;
IndexedString m_document;
QString m_sourceLine;
QLabel* m_label;
QLabel* m_icon;
QHBoxLayout* m_layout;
bool m_isHighlighted = false;
};
class KDEVPLATFORMLANGUAGE_EXPORT NavigatableWidgetList
: public QScrollArea
{
Q_OBJECT
public:
explicit NavigatableWidgetList(bool allowScrolling = false, uint maxHeight = 0, bool vertical = true);
~NavigatableWidgetList() override;
void addItem(QWidget* widget, int pos = -1);
void addHeaderItem(QWidget* widget, Qt::Alignment alignment = {});
///Whether items were added to this list using addItem(..)
bool hasItems() const;
///Deletes all items that were added using addItem
void deleteItems();
QList<QWidget*> items() const;
void setShowHeader(bool show);
protected:
QBoxLayout* m_itemLayout;
QVBoxLayout* m_layout;
private:
QHBoxLayout* m_headerLayout;
bool m_allowScrolling, m_useArrows;
};
class KDEVPLATFORMLANGUAGE_EXPORT ContextUsesWidget
: public NavigatableWidgetList
{
Q_OBJECT
public:
ContextUsesWidget(const CodeRepresentation& code, const QList<IndexedDeclaration>& usedDeclaration,
IndexedDUContext context);
Q_SIGNALS:
void navigateDeclaration(KDevelop::IndexedDeclaration);
private Q_SLOTS:
void linkWasActivated(const QString&);
private:
IndexedDUContext m_context;
};
class KDEVPLATFORMLANGUAGE_EXPORT DeclarationWidget
: public NavigatableWidgetList
{
Q_OBJECT
public:
DeclarationWidget(const KDevelop::CodeRepresentation& code, const KDevelop::IndexedDeclaration& declaration);
};
/**
* Represents the uses of a declaration within one top-context
*/
class KDEVPLATFORMLANGUAGE_EXPORT TopContextUsesWidget
: public NavigatableWidgetList
{
Q_OBJECT
public:
TopContextUsesWidget(IndexedDeclaration declaration, const QList<IndexedDeclaration>& localDeclarations,
IndexedTopDUContext topContext);
void setExpanded(bool);
int usesCount() const;
private Q_SLOTS:
void labelClicked();
private:
IndexedTopDUContext m_topContext;
IndexedDeclaration m_declaration;
QLabel* m_icon;
QLabel* m_toggleButton;
QList<IndexedDeclaration> m_allDeclarations;
int m_usesCount;
};
/**
* A widget that allows browsing through all the uses of a declaration, and also through all declarations of it.
*/
class KDEVPLATFORMLANGUAGE_EXPORT UsesWidget
: public NavigatableWidgetList
{
Q_OBJECT
public:
///This class can be overridden to do additional processing while the uses-widget shows the uses.
struct KDEVPLATFORMLANGUAGE_EXPORT UsesWidgetCollector
: public UsesCollector
{
public:
void setWidget(UsesWidget* widget);
explicit UsesWidgetCollector(IndexedDeclaration decl);
void processUses(KDevelop::ReferencedTopDUContext topContext) override;
void maximumProgress(uint max) override;
void progress(uint processed, uint total) override;
UsesWidget* m_widget;
};
QSize sizeHint () const override;
///@param customCollector allows specifying an own subclass of UsesWidgetCollector.
explicit UsesWidget(const IndexedDeclaration& declaration,
const QSharedPointer<UsesWidgetCollector>& customCollector = {});
~UsesWidget() override;
void setAllExpanded(bool expanded);
unsigned int countAllUses() const;
Q_SIGNALS:
void navigateDeclaration(KDevelop::IndexedDeclaration);
private:
const QString headerLineText() const;
QLabel* m_headerLine;
QSharedPointer<UsesWidgetCollector> m_collector;
QProgressBar* m_progressBar;
public Q_SLOTS:
void headerLinkActivated(const QString& linkName);
void redrawHeaderLine();
};
}
#endif
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