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Get rid of QTextCodec in the textedit example

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And refactor the code a bit to not convert to unicode twice and
use the mime database instead of Qt::mightBeRichText().

Change-Id: I56f9a732c8ad593e7f050eaad401be536bdf6f98
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: David Faure <david.faure@kdab.com>
This commit is contained in:
Lars Knoll 2020-04-30 14:31:46 +02:00
parent 666b4a485b
commit ada608d46d
1 changed files with 8 additions and 10 deletions
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14
examples/widgets/richtext/textedit/textedit.cpp
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@ -60,7 +60,6 @@
#include <QFontDatabase>
#include <QMenu>
#include <QMenuBar>
#include <QTextCodec>
#include <QTextEdit>
#include <QStatusBar>
#include <QToolBar>
@ -417,19 +416,18 @@ bool TextEdit::load(const QString &f)
return false;
QByteArray data = file.readAll();
QTextCodec *codec = Qt::codecForHtml(data);
QString str = codec->toUnicode(data);
if (Qt::mightBeRichText(str)) {
QMimeDatabase db;
if (db.mimeTypeForFileNameAndData(f, data).name() == QLatin1String("text/html")) {
auto encoding = QStringDecoder::encodingForHtml(data.constData(), data.size());
QString str = QStringDecoder(encoding ? *encoding : QStringDecoder::Utf8)(data);
QUrl baseUrl = (f.front() == QLatin1Char(':') ? QUrl(f) : QUrl::fromLocalFile(f)).adjusted(QUrl::RemoveFilename);
textEdit->document()->setBaseUrl(baseUrl);
textEdit->setHtml(str);
} else {
#if QT_CONFIG(textmarkdownreader)
QMimeDatabase db;
if (db.mimeTypeForFileNameAndData(f, data).name() == QLatin1String("text/markdown"))
} else if (db.mimeTypeForFileNameAndData(f, data).name() == QLatin1String("text/markdown")) {
textEdit->setMarkdown(QString::fromUtf8(data));
else
#endif
} else {
textEdit->setPlainText(QString::fromUtf8(data));
}