Herwig Birke
64 lines
1.3 KiB
C++
64 lines
1.3 KiB
C++
#include "ctextedit.h"
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#include <QMimeData>
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#include <QFileInfo>
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#include <QFile>
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#include <QImageReader>
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cTextEdit::cTextEdit(QWidget* parent) :
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QTextEdit(parent)
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{
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}
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cTextEdit::cTextEdit(const QString& text, QWidget* parent) :
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QTextEdit(text, parent)
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{
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}
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bool cTextEdit::canInsertFromMimeData(const QMimeData* source) const
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{
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return source->hasImage() || source->hasUrls() || QTextEdit::canInsertFromMimeData(source);
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}
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void cTextEdit::insertFromMimeData(const QMimeData* source)
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{
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if(source->hasImage())
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{
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static int i = 1;
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QUrl url(QString("dropped_image_%1").arg(i++));
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dropImage(url, qvariant_cast<QImage>(source->imageData()));
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}
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else if(source->hasUrls())
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{
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foreach(QUrl url, source->urls())
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{
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QFileInfo info(url.toLocalFile());
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if(QImageReader::supportedImageFormats().contains(info.suffix().toLower().toLatin1()))
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dropImage(url, QImage(info.filePath()));
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else
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dropTextFile(url);
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}
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}
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else
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{
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QTextEdit::insertFromMimeData(source);
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}
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}
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void cTextEdit::dropImage(const QUrl& url, const QImage& image)
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{
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if(!image.isNull())
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{
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document()->addResource(QTextDocument::ImageResource, url, image);
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textCursor().insertImage(url.toString());
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}
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}
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void cTextEdit::dropTextFile(const QUrl& url)
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{
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QFile file(url.toLocalFile());
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if(file.open(QIODevice::ReadOnly | QIODevice::Text))
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textCursor().insertText(file.readAll());
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}
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