| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 |
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| 3 | |
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| 4 | #ifndef HELPVIEWERIMPLPRIVATE_H |
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| 5 | #define HELPVIEWERIMPLPRIVATE_H |
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| 6 | |
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| 7 | #include "centralwidget.h" |
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| 8 | #include "helpviewer.h" |
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| 9 | #include "openpagesmanager.h" |
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| 10 | |
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| 11 | #include <QtCore/QObject> |
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| 12 | #if defined(BROWSER_QTEXTBROWSER) |
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| 13 | # include <QtWidgets/QTextBrowser> |
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| 14 | #elif defined(BROWSER_QTWEBKIT) |
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| 15 | # include <QtGui/QGuiApplication> |
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| 16 | # include <QtGui/QScreen> |
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| 17 | #endif // BROWSER_QTWEBKIT |
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| 18 | |
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| 19 | QT_BEGIN_NAMESPACE |
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| 20 | |
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| 21 | class HelpViewerImpl::HelpViewerImplPrivate : public QObject |
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| 22 | { |
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| 23 | Q_OBJECT |
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| 24 | |
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| 25 | public: |
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| 26 | #if defined(BROWSER_QTEXTBROWSER) |
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| 27 | HelpViewerImplPrivate(int zoom) |
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| 28 | : zoomCount(zoom) |
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| 29 | { } |
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| 30 | #elif defined(BROWSER_QTWEBKIT) |
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| 31 | HelpViewerImplPrivate() |
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| 32 | { |
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| 33 | // The web uses 96dpi by default on the web to preserve the font size across platforms, but |
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| 34 | // since we control the content for the documentation, we want the system DPI to be used. |
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| 35 | // - OS X reports 72dpi but doesn't allow changing the DPI, ignore anything below a 1.0 ratio to handle this. |
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| 36 | // - On Windows and Linux don't zoom the default web 96dpi below a 1.25 ratio to avoid |
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| 37 | // filtered images in the doc unless the font readability difference is considerable. |
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| 38 | webDpiRatio = QGuiApplication::primaryScreen()->logicalDotsPerInch() / 96.; |
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| 39 | if (webDpiRatio < 1.25) |
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| 40 | webDpiRatio = 1.0; |
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| 41 | } |
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| 42 | #endif // BROWSER_QTWEBKIT |
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| 43 | |
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| 44 | #if defined(BROWSER_QTEXTBROWSER) |
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| 45 | bool hasAnchorAt(QTextBrowser *browser, const QPoint& pos) |
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| 46 | { |
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| 47 | lastAnchor = browser->anchorAt(pos); |
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| 48 | if (lastAnchor.isEmpty()) |
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| 49 | return false; |
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| 50 | |
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| 51 | lastAnchor = browser->source().resolved(relative: lastAnchor).toString(); |
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| 52 | if (lastAnchor.at(i: 0) == QLatin1Char('#')) { |
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| 53 | QString src = browser->source().toString(); |
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| 54 | int hsh = src.indexOf(c: QLatin1Char('#')); |
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| 55 | lastAnchor = (hsh >= 0 ? src.left(n: hsh) : src) + lastAnchor; |
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| 56 | } |
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| 57 | return true; |
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| 58 | } |
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| 59 | |
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| 60 | public slots: |
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| 61 | void openLink() |
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| 62 | { |
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| 63 | doOpenLink(newPage: false); |
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| 64 | } |
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| 65 | |
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| 66 | void openLinkInNewPage() |
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| 67 | { |
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| 68 | doOpenLink(newPage: true); |
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| 69 | } |
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| 70 | |
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| 71 | public: |
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| 72 | QString lastAnchor; |
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| 73 | int zoomCount; |
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| 74 | bool forceFont = false; |
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| 75 | |
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| 76 | private: |
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| 77 | |
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| 78 | void doOpenLink(bool newPage) |
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| 79 | { |
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| 80 | if (lastAnchor.isEmpty()) |
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| 81 | return; |
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| 82 | if (newPage) |
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| 83 | OpenPagesManager::instance()->createPage(url: lastAnchor); |
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| 84 | else |
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| 85 | CentralWidget::instance()->setSource(lastAnchor); |
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| 86 | lastAnchor.clear(); |
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| 87 | } |
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| 88 | |
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| 89 | #elif defined(BROWSER_QTWEBKIT) |
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| 90 | qreal webDpiRatio; |
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| 91 | #endif // BROWSER_QTWEBKIT |
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| 92 | }; |
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| 93 | |
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| 94 | QT_END_NAMESPACE |
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| 95 | |
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| 96 | #endif // HELPVIEWERIMPLPRIVATE_H |
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| 97 | |
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