e7977ee280
This reverts commit 643f4a5726 and finishes the task of adding WebEngine as an alternate backend to be used in printing. The ultimate goal is to be able to build without QtWebKit (as that is no longer supported in Qt6). WebKit was used in two places: The user manual and printing. This patch makes printing work with WebEngine. The main obstacle is that WebEngine no longer allows accessing HTML elements from C++ code and rendering the page to a QPainter. The old version used this to figure out dimensions and page breaks for the pages and then in the QPainter placed the profile images. With WebEninge, you need to access the elements using JavaScript which is now used to place the profile in the html proplerly as an <img> tag. To this end, both html and profile images are written to a temporary directory on disk. This image replacement by JavaScript is only necessary to make old templates still work. It could be replaced by actually putting <img> tags in the templates (but this would break user edited templates). In my experiments, the page breaking was done great by html/css, so the additional magic seems superflous. What remains to be done: * remove empty page at the end of printout * make preview great again (in particlar needed for template editing) Note: since QtWebEngine currently cannot be built with our toolchain on Windows, this patch keeps QtWebKit support around by making the QtWebEngine compile-time conditional via #ifdefs. [Dirk Hohndel: merged a few commits to make this more logical - the resulting commit is fairly big, but IMHO preferrable] Signed-off-by: Robert C. Helling <helling@atdotde.de> Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
86 lines
1.5 KiB
C++
86 lines
1.5 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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#ifndef USERMANUAL_H
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#define USERMANUAL_H
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#ifdef USE_WEBENGINE
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#include <QWebEngineView>
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#include <QWebEnginePage>
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#else
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#include <QWebView>
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#endif
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#include <QDialog>
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#include "ui_searchbar.h"
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class SearchBar : public QWidget{
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Q_OBJECT
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public:
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SearchBar(QWidget *parent = 0);
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signals:
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void searchTextChanged(const QString& s);
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void searchNext();
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void searchPrev();
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protected:
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void setVisible(bool visible);
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private slots:
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void enableButtons(const QString& s);
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private:
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Ui::SearchBar ui;
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};
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#ifdef USE_WEBENGINE
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class MyQWebEnginePage : public QWebEnginePage
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{
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Q_OBJECT
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public:
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MyQWebEnginePage(QObject* parent = 0);
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bool acceptNavigationRequest(const QUrl & url, QWebEnginePage::NavigationType type, bool);
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};
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class MyQWebEngineView : public QWebEngineView
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{
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Q_OBJECT
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public:
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MyQWebEngineView(QWidget* parent = 0);
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MyQWebEnginePage* page() const;
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};
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#endif
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class UserManual : public QDialog {
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Q_OBJECT
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public:
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explicit UserManual(QWidget *parent = 0);
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#ifdef Q_OS_MAC
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protected:
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void showEvent(QShowEvent *e);
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void hideEvent(QHideEvent *e);
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QAction *closeAction;
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QAction *filterAction;
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#endif
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private
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slots:
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void searchTextChanged(const QString& s);
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void searchNext();
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void searchPrev();
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#ifndef USE_WEBENGINE
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void linkClickedSlot(const QUrl& url);
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#endif
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private:
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SearchBar *searchBar;
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QString mLastText;
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#ifdef USE_WEBENGINE
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QWebEngineView *userManual;
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void search(QString, QWebEnginePage::FindFlags);
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#else
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QWebView *userManual;
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void search(QString, QWebPage::FindFlags);
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#endif
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};
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#endif // USERMANUAL_H
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