mirror of
https://invent.kde.org/graphics/okular
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8eca2bfa9d
Use `PM_SmallIconSize` for size calculation exclusively and then have `QPainter` resolve it to the correct device pixel ratio during paint.
127 lines
3.5 KiB
C++
127 lines
3.5 KiB
C++
/*
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SPDX-FileCopyrightText: 2004-2005 Enrico Ros <eros.kde@email.it>
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Work sponsored by the LiMux project of the city of Munich:
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SPDX-FileCopyrightText: 2017 Klarälvdalens Datakonsult AB a KDAB Group company <info@kdab.com>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef _PAGEVIEW_UTILS_H_
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#define _PAGEVIEW_UTILS_H_
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#include <QHash>
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#include <QIcon>
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#include <QRect>
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#include <qwidget.h>
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#include "core/area.h"
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class QTimer;
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class FormWidgetIface;
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class PageView;
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class VideoWidget;
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namespace Okular
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{
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class Movie;
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class Page;
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}
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/**
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* @short PageViewItem represents graphically a page into the PageView.
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*
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* It has methods for settings Item's geometry and other visual properties such
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* as the individual zoom factor.
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*/
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class PageViewItem
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{
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public:
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explicit PageViewItem(const Okular::Page *page);
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~PageViewItem();
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PageViewItem(const PageViewItem &) = delete;
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PageViewItem &operator=(const PageViewItem &) = delete;
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const Okular::Page *page() const;
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int pageNumber() const;
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double zoomFactor() const;
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bool isVisible() const;
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QSet<FormWidgetIface *> &formWidgets();
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QHash<Okular::Movie *, VideoWidget *> &videoWidgets();
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/* The page is cropped as follows: */
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const Okular::NormalizedRect &crop() const;
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/* Real geometry into which the cropped page is rendered: */
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const QRect &croppedGeometry() const;
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int croppedWidth() const;
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int croppedHeight() const;
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/* "Uncropped" geometry:
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* If the whole page was rendered into the uncropped geometry then the
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* cropped page would be rendered into the real geometry.
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* (Hence, uncropped always contains cropped, and they are equal only if
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* the page is uncropped.) This is just for convenience in calculations.
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*/
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const QRect &uncroppedGeometry() const;
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int uncroppedWidth() const;
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int uncroppedHeight() const;
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/* Convert absolute geometry coordinates to normalized [0,1] page coordinates: */
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double absToPageX(double absX) const;
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double absToPageY(double absY) const;
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void setWHZC(int w, int h, double zoom, const Okular::NormalizedRect &c);
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void moveTo(int x, int y);
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void setVisible(bool visible);
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void invalidate();
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bool setFormWidgetsVisible(bool visible);
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void reloadFormWidgetsState();
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private:
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const Okular::Page *m_page;
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double m_zoomFactor;
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bool m_visible;
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bool m_formsVisible;
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QRect m_croppedGeometry;
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QRect m_uncroppedGeometry;
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Okular::NormalizedRect m_crop;
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QSet<FormWidgetIface *> m_formWidgets;
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QHash<Okular::Movie *, VideoWidget *> m_videoWidgets;
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};
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/**
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* @short A widget that displays messages in the top-left corner.
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*
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* This is a widget with thin border and rounded corners that displays a given
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* text along as an icon. It's meant to be used for displaying messages to the
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* user by placing this above other widgets.
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*/
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class PageViewMessage : public QWidget
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{
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Q_OBJECT
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public:
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explicit PageViewMessage(QWidget *parent);
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enum Icon { None, Info, Warning, Error, Find, Annotation };
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void display(const QString &message, const QString &details = QString(), Icon icon = Info, int durationMs = 4000);
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protected:
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bool eventFilter(QObject *obj, QEvent *event) override;
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void paintEvent(QPaintEvent *e) override;
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void mousePressEvent(QMouseEvent *e) override;
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private:
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QRect computeTextRect(const QString &message, int extra_width) const;
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void computeSizeAndResize();
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QString m_message;
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QString m_details;
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QIcon m_symbol;
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QTimer *m_timer;
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int m_lineSpacing;
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};
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#endif
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