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                          effecstackedit.h  -  description
    begin                : Feb 15 2008
    copyright            : (C) 2008 by Marco Gittler
    email                : g.marco@freenet.de

 *                                                                         *
 *   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.                                   *
 *                                                                         *


#include "definitions.h"
#include "timecode.h"
#include "keyframeedit.h"

#include <QWidget>
#include <QDomElement>
#include <QVBoxLayout>
#include <QList>
#include <QMap>
#include <QScrollArea>

enum WIPE_DIRECTON { UP = 0, DOWN = 1, LEFT = 2, RIGHT = 3, CENTER = 4 };

00034 struct wipeInfo {
    WIPE_DIRECTON start;
    int startTransparency;
    int endTransparency;

class QFrame;
class Monitor;
class GeometryWidget;

00045 class EffectStackEdit : public QScrollArea
    EffectStackEdit(Monitor *monitor, QWidget *parent = 0);
    void updateProjectFormat(MltVideoProfile profile, Timecode t);
    static QMap<QString, QImage> iconCache;
    /** @brief Sets attribute @param name to @param value.
    * Used to disable the effect, by setting disabled="1" */
    void updateParameter(const QString &name, const QString &value);
    void setFrameSize(QPoint p);
    /** @brief Tells the parameters to update their timecode format according to KdenliveSettings. */
    void updateTimecodeFormat();

    /** @brief Deletes all parameter widgets. */
    void clearAllItems();
    wipeInfo getWipeInfo(QString value);
    QString getWipeString(wipeInfo info);
    /** @brief Updates parameter @param name according to new value of dependency.
    * @param name Name of the parameter which will be updated
    * @param type Type of the parameter which will be updated
    * @param value Value of the dependency parameter */
    void meetDependency(const QString& name, QString type, QString value);

    QVBoxLayout *m_vbox;
    QList<QWidget*> m_uiItems;
    QWidget *m_baseWidget;
    QDomElement m_params;
    QMap<QString, QWidget*> m_valueItems;
    MltVideoProfile m_profile;
    Timecode m_timecode;
    int m_in;
    int m_out;
    QPoint m_frameSize;
    KeyframeEdit *m_keyframeEditor;
    Monitor *m_monitor;
    GeometryWidget *m_geometryWidget;

public slots:
    /** @brief Called when an effect is selected, builds the UI for this effect. */
    void transferParamDesc(const QDomElement d, int pos, int in, int out, bool isEffect = true);

    /** @brief Called whenever(?) some parameter is changed in the gui.
     * Transfers all Dynamic gui parameter settings into m_params(??) */
    void collectAllParameters();

    /** @brief Pass position changes of the timeline cursor to the effects to keep their local timelines in sync. */
    void slotSyncEffectsPos(int pos);

    void parameterChanged(const QDomElement, const QDomElement);
    void seekTimeline(int);
    void displayMessage(const QString&, int);
    void checkMonitorPosition(int);
    void syncEffectsPos(int pos);
    void showComments(bool show);
    void effectStateChanged(bool enabled);


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