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#pragma once
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#ifndef FRAMENVIGATOR_H
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#define FRAMENVIGATOR_H
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// TnzCore includes
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#include "tcommon.h"
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// TnzQt includes
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#include "toonzqt/intfield.h"
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// Qt includes
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#include <qwidget></qwidget>
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#include <qtoolbar></qtoolbar>
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#undef DVAPI
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#undef DVVAR
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#ifdef TOONZQT_EXPORTS
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#define DVAPI DV_EXPORT_API
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#define DVVAR DV_EXPORT_VAR
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#else
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#define DVAPI DV_IMPORT_API
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#define DVVAR DV_IMPORT_VAR
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#endif
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//======================================================
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//    Forward declarations
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class TFrameHandle;
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//======================================================
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//*****************************************************************************
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//    KeyframeNavigator  declaration
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//*****************************************************************************
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/*!
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  \brief    The FrameNavigator is a simple toolbar widget showing a numerical
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            representation of an integer timeline.
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  \details  A FrameNavigator is a TFrameHandle viewer composed of a line edit
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            widget showing the current frame number, and a pair of directional
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            arrow buttons that move to adjacent frames.
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  \remark   The text field actually visualizes the internal integer \p m_frame
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  \a +1
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            (e.g. when \p m_frame is 0 then 1 is visualized).
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*/
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class DVAPI FrameNavigator : public QToolBar {
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  Q_OBJECT
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  TFrameHandle *m_frameHandle;
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  int m_frame;
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  DVGui::IntLineEdit *m_lineEdit;
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public:
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  FrameNavigator(QWidget *parent = 0);
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  ~FrameNavigator() {}
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  int getFrame() const { return m_frame; }
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  void setFrameHandle(TFrameHandle *);  //!< Attaches the navigator to the
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                                        //!specified frameHandle.
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  //!  \remark    Detaches from any previously attached frame handle.
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  bool anyWidgetHasFocus();
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signals:
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  void frameSwitched();
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public slots:
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  void setFrame(
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      int frame,
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      bool notifyFrameHandler);  //!< Sets the navigator's current frame.
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                                 //!  \deprecated  Remove the bool.
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  void prevFrame() {
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    setFrame(m_frame - 1, true);
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  }  //!< Move to previous frame.
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  void nextFrame() { setFrame(m_frame + 1, true); }  //!< Move to next frame.
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protected:
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  void showEvent(QShowEvent *) override;
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  void hideEvent(QHideEvent *) override;
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  void updateFrame(int frame);  //!< Changes frame without emitting any signal
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                                //!and notifying the frameHandle.
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protected slots:
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  /*!
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\details  Copies the value in the frame's line edit widget to the internal
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current frame value.
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*/
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  void onEditingFinished();  //!< Slot invoked whenever current frame's text
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                             //!editing is finished.
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  void onFrameSwitched();
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};
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#endif  // FRAMENVIGATORTOOLBAR_H