37#include <QImageReader>
39#include <QApplication>
40#include <QDesktopServices>
43QgsImageDropTextEdit::QgsImageDropTextEdit( QWidget *parent )
46 setTextInteractionFlags( Qt::TextEditorInteraction | Qt::LinksAccessibleByMouse );
49QgsImageDropTextEdit::~QgsImageDropTextEdit() =
default;
51bool QgsImageDropTextEdit::canInsertFromMimeData(
const QMimeData *source )
const
53 if ( source->hasImage() || QTextEdit::canInsertFromMimeData( source ) )
56 const QList<QUrl> urls = source->urls();
58 files.reserve( urls.size() );
59 for (
const QUrl &url : urls )
61 QString fileName = url.toLocalFile();
64 if ( !fileName.isEmpty() )
71 for (
const QString &file : std::as_const(
files ) )
74 const QList<QByteArray> formats = QImageReader::supportedImageFormats();
75 for (
const QByteArray &format : formats )
77 if ( fi.suffix().compare( format, Qt::CaseInsensitive ) == 0 )
88void QgsImageDropTextEdit::insertFromMimeData(
const QMimeData *source )
90 if ( source->hasImage() )
92 const QStringList formats = source->formats();
94 for (
const QString &
string : formats )
96 if (
string == QLatin1String(
"image/bmp" ) )
98 format = QStringLiteral(
"BMP" );
101 if (
string == QLatin1String(
"image/jpeg" ) )
103 format = QStringLiteral(
"JPG" );
106 if (
string == QLatin1String(
"image/jpg" ) )
108 format = QStringLiteral(
"JPG" );
111 if (
string == QLatin1String(
"image/gif" ) )
113 format = QStringLiteral(
"GIF" );
116 if (
string == QLatin1String(
"image/png" ) )
118 format = QStringLiteral(
"PNG" );
121 if (
string == QLatin1String(
"image/pbm" ) )
123 format = QStringLiteral(
"PBM" );
126 if (
string == QLatin1String(
"image/pgm" ) )
128 format = QStringLiteral(
"PGM" );
131 if (
string == QLatin1String(
"image/ppm" ) )
133 format = QStringLiteral(
"PPM" );
136 if (
string == QLatin1String(
"image/tiff" ) )
138 format = QStringLiteral(
"TIFF" );
141 if (
string == QLatin1String(
"image/xbm" ) )
143 format = QStringLiteral(
"XBM" );
146 if (
string == QLatin1String(
"image/xpm" ) )
148 format = QStringLiteral(
"XPM" );
152 if ( !format.isEmpty() )
154 dropImage( qvariant_cast<QImage>( source->imageData() ), format );
160 const QList<QUrl> urls = source->urls();
162 files.reserve( urls.size() );
163 for (
const QUrl &url : urls )
165 if ( url.isLocalFile() )
167 QString fileName = url.toLocalFile();
170 if ( !fileName.isEmpty() )
181 for (
const QString &file : std::as_const(
files ) )
183 const QFileInfo fi( file );
184 const QList<QByteArray> formats = QImageReader::supportedImageFormats();
185 bool isImage =
false;
186 for (
const QByteArray &format : formats )
188 if ( fi.suffix().compare( format, Qt::CaseInsensitive ) == 0 )
190 const QImage image( file );
191 dropImage( image, format );
198 dropLink( QUrl::fromLocalFile( file ) );
201 if ( !
files.empty() )
205 QTextEdit::insertFromMimeData( source );
208void QgsImageDropTextEdit::mouseMoveEvent( QMouseEvent *e )
210 QTextEdit::mouseMoveEvent( e );
211 mActiveAnchor = anchorAt( e->pos() );
212 if ( !mActiveAnchor.isEmpty() && !mCursorOverride )
213 mCursorOverride = std::make_unique< QgsTemporaryCursorOverride >( Qt::PointingHandCursor );
214 else if ( mActiveAnchor.isEmpty() && mCursorOverride )
215 mCursorOverride.reset();
218void QgsImageDropTextEdit::mouseReleaseEvent( QMouseEvent *e )
220 if ( e->button() == Qt::LeftButton && !mActiveAnchor.isEmpty() )
222 QDesktopServices::openUrl( QUrl( mActiveAnchor ) );
223 if ( mCursorOverride )
224 mCursorOverride.reset();
225 mActiveAnchor.clear();
229 QTextEdit::mouseReleaseEvent( e );
233void QgsImageDropTextEdit::dropImage(
const QImage &image,
const QString &format )
236 QBuffer buffer( &bytes );
237 buffer.open( QIODevice::WriteOnly );
238 image.save( &buffer, format.toLocal8Bit().data() );
240 QByteArray base64 = bytes.toBase64();
242 for (
int i = 0; i < base64.size(); i++ )
244 base64l.append( base64[i] );
247 base64l.append(
"\n" );
251 QTextCursor cursor = textCursor();
252 QTextImageFormat imageFormat;
253 imageFormat.setWidth( image.width() );
254 imageFormat.setHeight( image.height() );
255 imageFormat.setName( QStringLiteral(
"data:image/%1;base64,%2" )
256 .arg( QStringLiteral(
"%1.%2" ).arg( rand() ).arg( format ),
259 cursor.insertImage( imageFormat );
262void QgsImageDropTextEdit::dropLink(
const QUrl &url )
264 QTextCursor cursor = textCursor();
265 cursor.insertHtml( QStringLiteral(
"<a href=\"%1\">%1</a>" ).arg( url.toString() ) );
CORE_EXPORT const QStringList files(const QString &zip)
Returns the list of files within a zip file.