File indexing completed on 2024-04-28 15:51:46

 /*
     SPDX-FileCopyrightText: 2005 Enrico Ros <eros.kde@email.it>
     SPDX-FileCopyrightText: 2006 Albert Astals Cid <aacid@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef _OKULAR_MINIBAR_H_
 #define _OKULAR_MINIBAR_H_
 
 #include "core/observer.h"
 #include <KLineEdit>
 #include <QSet>
 #include <qwidget.h>
 
 namespace Okular
 {
 class Document;
 }
 
 class MiniBar;
 class HoverButton;
 class QIntValidator;
 class QLabel;
 class QToolBar;
 
 // [private widget] lineEdit for entering/validating page numbers
 class PagesEdit : public KLineEdit
 {
     Q_OBJECT
 
 public:
     explicit PagesEdit(MiniBar *parent);
     void setText(const QString &) override;
 
 protected:
     void focusInEvent(QFocusEvent *e) override;
     void focusOutEvent(QFocusEvent *e) override;
     void mousePressEvent(QMouseEvent *e) override;
     void wheelEvent(QWheelEvent *e) override;
     bool event(QEvent *e) override;
 
 private Q_SLOTS:
     void updatePalette();
 
 private:
     MiniBar *m_miniBar;
     bool m_eatClick;
 };
 
 class PageNumberEdit : public PagesEdit
 {
     Q_OBJECT
 
 public:
     explicit PageNumberEdit(MiniBar *miniBar);
     void setPagesNumber(int pages);
 
 private:
     QIntValidator *m_validator;
 };
 
 class PageLabelEdit : public PagesEdit
 {
     Q_OBJECT
 public:
     explicit PageLabelEdit(MiniBar *parent);
     void setText(const QString &newText) override;
     void setPageLabels(const QVector<Okular::Page *> &pageVector);
 
 Q_SIGNALS:
     void pageNumberChosen(int page);
 
 private Q_SLOTS:
     void pageChosen();
 
 private:
     QString m_lastLabel;
     QMap<QString, int> m_labelPageMap;
 };
 
 /**
  * @short The object that observes the document and feeds the minibars
  */
 class MiniBarLogic : public QObject, public Okular::DocumentObserver
 {
     Q_OBJECT
 
 public:
     MiniBarLogic(QObject *parent, Okular::Document *m_document);
     ~MiniBarLogic() override;
 
     void addMiniBar(MiniBar *miniBar);
     void removeMiniBar(MiniBar *miniBar);
 
     Okular::Document *document() const;
     int currentPage() const;
 
     // [INHERITED] from DocumentObserver
     void notifySetup(const QVector<Okular::Page *> &pageVector, int setupFlags) override;
     void notifyCurrentPageChanged(int previous, int current) override;
 
 private:
     QSet<MiniBar *> m_miniBars;
     Okular::Document *m_document;
 };
 
 /**
  * @short A widget to display page number and change current page.
  */
 class MiniBar : public QWidget
 {
     Q_OBJECT
     friend class MiniBarLogic;
 
 public:
     MiniBar(QWidget *parent, MiniBarLogic *miniBarLogic);
     ~MiniBar() override;
 
     void changeEvent(QEvent *event) override;
 
 Q_SIGNALS:
     void gotoPage();
     void prevPage();
     void nextPage();
     void forwardKeyPressEvent(QKeyEvent *e);
 
 public Q_SLOTS:
     void slotChangePageFromReturn();
     void slotChangePage(int page);
     void slotEmitNextPage();
     void slotEmitPrevPage();
     void slotToolBarIconSizeChanged();
 
 private:
     void resizeForPage(int pages, const QString &pagesOrLabelString);
     bool eventFilter(QObject *target, QEvent *event) override;
 
     MiniBarLogic *m_miniBarLogic;
     PageNumberEdit *m_pageNumberEdit;
     PageLabelEdit *m_pageLabelEdit;
     QLabel *m_pageNumberLabel;
     HoverButton *m_prevButton;
     HoverButton *m_pagesButton;
     HoverButton *m_nextButton;
     QToolBar *m_oldToolbarParent;
 };
 
 /**
  * @short A small progress bar.
  */
 class ProgressWidget : public QWidget, public Okular::DocumentObserver
 {
     Q_OBJECT
 public:
     ProgressWidget(QWidget *parent, Okular::Document *document);
     ~ProgressWidget() override;
 
     // [INHERITED] from DocumentObserver
     void notifyCurrentPageChanged(int previous, int current) override;
 
     void slotGotoNormalizedPage(float index);
 
 Q_SIGNALS:
     void prevPage();
     void nextPage();
 
 protected:
     void setProgress(float percentage);
 
     void mouseMoveEvent(QMouseEvent *e) override;
     void mousePressEvent(QMouseEvent *e) override;
     void wheelEvent(QWheelEvent *e) override;
     void paintEvent(QPaintEvent *e) override;
 
 private:
     Okular::Document *m_document;
     float m_progressPercentage;
 };
 
 #endif