diff options
-rw-r--r-- | src/gui/doc/snippets/droparea/droparea.cpp (renamed from src/gui/doc/snippets/droparea.cpp) | 95 | ||||
-rw-r--r-- | src/gui/doc/snippets/droparea/droparea.pro | 6 | ||||
-rw-r--r-- | src/gui/doc/snippets/snippets.pro | 1 | ||||
-rw-r--r-- | src/gui/kernel/qclipboard.cpp | 2 |
4 files changed, 22 insertions, 82 deletions
diff --git a/src/gui/doc/snippets/droparea.cpp b/src/gui/doc/snippets/droparea/droparea.cpp index c0fdbf9617..b66cf0c031 100644 --- a/src/gui/doc/snippets/droparea.cpp +++ b/src/gui/doc/snippets/droparea/droparea.cpp @@ -47,55 +47,18 @@ ** $QT_END_LICENSE$ ** ****************************************************************************/ - -#include <QtGui> - -#include "droparea.h" - -DropArea::DropArea(QWidget *parent) - : QLabel(parent) -{ - setMinimumSize(200, 200); - setFrameStyle(QFrame::Sunken | QFrame::StyledPanel); - setAlignment(Qt::AlignCenter); - setAcceptDrops(true); - setAutoFillBackground(true); - clear(); -} - -void DropArea::dragEnterEvent(QDragEnterEvent *event) -{ - setText(tr("<drop content>")); - setBackgroundRole(QPalette::Highlight); - - event->acceptProposedAction(); - emit changed(event->mimeData()); -} - -void DropArea::dragMoveEvent(QDragMoveEvent *event) -{ - event->acceptProposedAction(); -} - -void DropArea::dropEvent(QDropEvent *event) -{ - const QMimeData *mimeData = event->mimeData(); - - if (mimeData->hasImage()) { - setPixmap(qvariant_cast<QPixmap>(mimeData->imageData())); - } else if (mimeData->hasHtml()) { - setText(mimeData->html()); - setTextFormat(Qt::RichText); - } else if (mimeData->hasText()) { - setText(mimeData->text()); - setTextFormat(Qt::PlainText); - } else { - setText(tr("Cannot display data")); - } - - setBackgroundRole(QPalette::Dark); - event->acceptProposedAction(); -} +#include <QApplication> +#include <QClipboard> +#include <QMimeData> +#include <QWidget> + +namespace droparea { +struct DropArea : public QWidget { + void paste(); + void setPixmap(QPixmap); + void setText(QString); + void setTextFormat(Qt::TextFormat); +}; //![0] void DropArea::paste() @@ -114,37 +77,7 @@ void DropArea::paste() } else { setText(tr("Cannot display data")); } -//![0] - - emit changed(mimeData); - setBackgroundRole(QPalette::Dark); - //event->acceptProposedAction(); } +//![0] -void DropArea::dragLeaveEvent(QDragLeaveEvent *event) -{ - clear(); - event->accept(); -} - -void DropArea::clear() -{ - setText(tr("<drop content>")); - setBackgroundRole(QPalette::Dark); - - emit changed(); -} - -QPixmap DropArea::extractPixmap(const QByteArray &data, const QString &format) -{ - const QList<QByteArray> imageFormats = QImageReader::supportedImageFormats(); - QPixmap pixmap; - - for (const QByteArray &imageFormat : imageFormats) { - if (format.mid(6) == QString(imageFormat)) { - pixmap.loadFromData(data, imageFormat); - break; - } - } - return pixmap; -} +} // droparea diff --git a/src/gui/doc/snippets/droparea/droparea.pro b/src/gui/doc/snippets/droparea/droparea.pro new file mode 100644 index 0000000000..33318618e4 --- /dev/null +++ b/src/gui/doc/snippets/droparea/droparea.pro @@ -0,0 +1,6 @@ +TEMPLATE = lib +TARGET = droparea_snippets +QT += core gui widgets + +SOURCES = \ + droparea.cpp diff --git a/src/gui/doc/snippets/snippets.pro b/src/gui/doc/snippets/snippets.pro index 39ce594c57..6ede3d94ed 100644 --- a/src/gui/doc/snippets/snippets.pro +++ b/src/gui/doc/snippets/snippets.pro @@ -7,6 +7,7 @@ contains(QT_BUILD_PARTS, tests) { clipboard \ code \ draganddrop \ + droparea \ qfontdatabase \ textdocument-blocks \ textdocument-charformats \ diff --git a/src/gui/kernel/qclipboard.cpp b/src/gui/kernel/qclipboard.cpp index d51c356970..5e93fe8061 100644 --- a/src/gui/kernel/qclipboard.cpp +++ b/src/gui/kernel/qclipboard.cpp @@ -83,7 +83,7 @@ QT_BEGIN_NAMESPACE A typical example of the use of these functions follows: - \snippet droparea.cpp 0 + \snippet droparea/droparea.cpp 0 \section1 Notes for X11 Users |