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/*
* This file is part of KDevelop
*
* Copyright 2008 David Nolden <david.nolden.kdevelop@art-master.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef KDEVPLATFORM_PLUGIN_BROWSEMANAGER_H
#define KDEVPLATFORM_PLUGIN_BROWSEMANAGER_H
#include <QCursor>
#include <QMap>
#include <QObject>
#include <QPointer>
#include <QUrl>
#include <KTextEditor/Cursor>
class QWidget;
namespace KTextEditor {
class View;
class Document;
}
namespace KDevelop {
class IDocument;
}
class EditorViewWatcher
: public QObject
{
Q_OBJECT
public:
explicit EditorViewWatcher(QObject* parent = nullptr);
QList<KTextEditor::View*> allViews();
private:
///Called for every added view. Reimplement this to catch them.
virtual void viewAdded(KTextEditor::View*);
private Q_SLOTS:
void viewDestroyed(QObject* view);
void viewCreated(KTextEditor::Document*, KTextEditor::View*);
void documentCreated(KDevelop::IDocument* document);
private:
void addViewInternal(KTextEditor::View* view);
QList<KTextEditor::View*> m_views;
};
class ContextBrowserPlugin;
class BrowseManager;
class Watcher
: public EditorViewWatcher
{
Q_OBJECT
public:
explicit Watcher(BrowseManager* manager);
void viewAdded(KTextEditor::View*) override;
private:
BrowseManager* m_manager;
};
/**
* Integrates the context-browser with the editor views, by listening for navigation events, and implementing html-like source browsing
*/
class BrowseManager
: public QObject
{
Q_OBJECT
public:
explicit BrowseManager(ContextBrowserPlugin* controller);
void viewAdded(KTextEditor::View* view);
///Installs/uninstalls the event-filter
void applyEventFilter(QWidget* object, bool install);
Q_SIGNALS:
///Emitted when browsing was started using the magic-modifier
void startDelayedBrowsing(KTextEditor::View* view);
void stopDelayedBrowsing();
void invokeAction(int index);
public Q_SLOTS:
///Enabled/disables the browsing mode
void setBrowsing(bool);
private Q_SLOTS:
void eventuallyStartDelayedBrowsing();
private:
struct JumpLocation
{
QUrl url;
KTextEditor::Cursor cursor;
bool isValid() const { return url.isValid() && cursor.isValid(); }
};
void resetChangedCursor();
JumpLocation determineJumpLoc(KTextEditor::Cursor textCursor, const QUrl& viewUrl) const;
void setHandCursor(QWidget* widget);
void avoidMenuAltFocus();
bool eventFilter(QObject* watched, QEvent* event) override;
ContextBrowserPlugin* m_plugin;
bool m_browsing;
int m_browsingByKey; //Whether the browsing was started because of a key
Watcher m_watcher;
//Maps widgets to their previously set cursors
QMap<QPointer<QWidget>, QCursor> m_oldCursors;
QTimer* m_delayedBrowsingTimer;
QPointer<KTextEditor::View> m_browsingStartedInView;
KTextEditor::Cursor m_buttonPressPosition;
};
#endif
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