/*
    SuperCollider Qt IDE
    Copyright (c) 2012 Jakob Leben & Tim Blechmann
    http://www.audiosynth.com

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU 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
*/

#pragma once

#include "util/docklet.hpp"
#include <QAction>
#include <QGestureEvent>
#include <QPlainTextEdit>

namespace ScIDE {

namespace Settings {
class Manager;
}

class PostDocklet;

class PostWindow : public QPlainTextEdit {
    Q_OBJECT

public:
    enum ActionRole {
        Copy,
        Clear,
        DocClose,
        ZoomIn,
        ZoomOut,
        ResetZoom,
        LineWrap,
        AutoScroll,

        ActionCount
    };

    explicit PostWindow(QWidget* parent = 0);

    void applySettings(Settings::Manager*);
    void storeSettings(Settings::Manager*);

    QAction* action(ActionRole role) const { return mActions[role]; }

    QSize sizeHint() const { return mSizeHint; }
    QSize minimumSizeHint() const { return QSize(50, 50); }
    QString symbolUnderCursor();

signals:
    void scrollToBottomRequest();

public slots:
    void post(const QString& text);
    void scrollToBottom();
    void zoomIn(int steps = 1);
    void zoomOut(int steps = 1);
    void resetZoom();

    void closeDocument();
    bool openDocumentation();
    void openDefinition();
    void openCommandLine();
    void findReferences();

    bool gestureEvent(QGestureEvent* event);

protected:
    virtual bool event(QEvent*);
    virtual void wheelEvent(QWheelEvent*);
    virtual void focusOutEvent(QFocusEvent* e);
    virtual void mouseDoubleClickEvent(QMouseEvent* e);
    virtual QMimeData* createMimeDataFromSelection() const;

private slots:
    void onAutoScrollTriggered(bool);
    void setLineWrap(bool on);

private:
    friend class PostDocklet;
    void createActions(Settings::Manager*);
    void updateActionShortcuts(Settings::Manager*);
    void zoomFont(int steps);
    void zoomFont(float scaler);
    QTextCharFormat formatForPostLine(QString line);

    QAction* mActions[ActionCount];
    /*
    QAction * mAutoScrollAction;
    QAction * mClearAction;
    QAction * mLineWrapAction;*/
    QSize mSizeHint;
    QChar previousChar;
    QTextCharFormat currentFormat;
};


class PostDocklet : public Docklet {
    Q_OBJECT

public:
    PostDocklet(QWidget* parent = 0);

private slots:
    void onFloatingChanged(bool floating);

public:
    PostWindow* mPostWindow;
};

} // namespace ScIDE
