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**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** This file is part of Qt Creator.
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** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
** following information to ensure the GNU Lesser General Public License
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#ifndef TASKWINDOW_H
#define TASKWINDOW_H

#include <coreplugin/id.h>
#include <coreplugin/ioutputpane.h>

QT_BEGIN_NAMESPACE
class QAction;
class QModelIndex;
class QPoint;
QT_END_NAMESPACE

namespace ProjectExplorer {
class TaskHub;
class Task;

namespace Internal {
class TaskWindowPrivate;

// Show issues (warnings or errors) and open the editor on click.
class TaskWindow : public Core::IOutputPane
{
    Q_OBJECT

public:
    TaskWindow();
    virtual ~TaskWindow();

    void delayedInitialization();

    int taskCount(Core::Id category = Core::Id()) const;
    int warningTaskCount(Core::Id category = Core::Id()) const;
    int errorTaskCount(Core::Id category = Core::Id()) const;

    // IOutputPane
    QWidget *outputWidget(QWidget *);
    QList<QWidget *> toolBarWidgets() const;

    QString displayName() const { return tr("Issues"); }
    int priorityInStatusBar() const;
    void clearContents();
    void visibilityChanged(bool visible);

    bool canFocus() const;
    bool hasFocus() const;
    void setFocus();

    bool canNavigate() const;
    bool canNext() const;
    bool canPrevious() const;
    void goToNext();
    void goToPrev();

signals:
    void tasksChanged();
    void tasksCleared();

private slots:
    void addCategory(Core::Id categoryId, const QString &displayName, bool visible);
    void addTask(const ProjectExplorer::Task &task);
    void removeTask(const ProjectExplorer::Task &task);
    void updatedTaskFileName(unsigned int id, const QString &fileName);
    void updatedTaskLineNumber(unsigned int id, int line);
    void showTask(unsigned int id);
    void openTask(unsigned int id);
    void clearTasks(Core::Id categoryId);
    void setCategoryVisibility(Core::Id categoryId, bool visible);
    void currentChanged(const QModelIndex &index);

    void triggerDefaultHandler(const QModelIndex &index);
    void actionTriggered();
    void setShowWarnings(bool);
    void updateCategoriesMenu();
    void filterCategoryTriggered(QAction *action);

private:
    int sizeHintForColumn(int column) const;

    TaskWindowPrivate *d;
};

} // namespace Internal
} // namespace ProjectExplorer

#endif // TASKWINDOW_H
