diff options
Diffstat (limited to 'src/plugins/platforms/cocoa/qcocoadrag.mm')
| -rw-r--r-- | src/plugins/platforms/cocoa/qcocoadrag.mm | 92 |
1 files changed, 64 insertions, 28 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoadrag.mm b/src/plugins/platforms/cocoa/qcocoadrag.mm index 47b52c9fdd..4466d28128 100644 --- a/src/plugins/platforms/cocoa/qcocoadrag.mm +++ b/src/plugins/platforms/cocoa/qcocoadrag.mm @@ -1,40 +1,32 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ ** ** This file is part of the plugins of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL$ +** $QT_BEGIN_LICENSE:LGPL21$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information -** use the contact form at http://qt.digia.com/contact-us. +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** General Public License version 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** -** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception +** As a special exception, The Qt Company gives you certain additional +** rights. These rights are described in The Qt Company LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** ** $QT_END_LICENSE$ ** ****************************************************************************/ @@ -45,6 +37,8 @@ QT_BEGIN_NAMESPACE +static const int dragImageMaxChars = 26; + QCocoaDrag::QCocoaDrag() : m_drag(0) { @@ -124,10 +118,8 @@ Qt::DropAction QCocoaDrag::drag(QDrag *o) m_drag = o; m_executed_drop_action = Qt::IgnoreAction; - QPixmap pm = m_drag->pixmap(); - if (pm.isNull()) - pm = defaultPixmap(); - + QPoint hotSpot = m_drag->hotSpot(); + QPixmap pm = dragPixmap(m_drag, hotSpot); NSImage *nsimage = qt_mac_create_nsimage(pm); QMacPasteboard dragBoard((CFStringRef) NSDragPboard, QMacInternalPasteboardMime::MIME_DND); @@ -136,8 +128,8 @@ Qt::DropAction QCocoaDrag::drag(QDrag *o) NSPoint event_location = [m_lastEvent locationInWindow]; NSPoint local_point = [m_lastView convertPoint:event_location fromView:nil]; - local_point.x -= m_drag->hotSpot().x(); - CGFloat flippedY = m_drag->pixmap().height() - m_drag->hotSpot().y(); + local_point.x -= hotSpot.x(); + CGFloat flippedY = pm.height() - hotSpot.y(); local_point.y += flippedY; NSSize mouseOffset = NSMakeSize(0.0, 0.0); NSPasteboard *pboard = [NSPasteboard pasteboardWithName:NSDragPboard]; @@ -161,6 +153,50 @@ void QCocoaDrag::setAcceptedAction(Qt::DropAction act) m_executed_drop_action = act; } +QPixmap QCocoaDrag::dragPixmap(QDrag *drag, QPoint &hotSpot) const +{ + const QMimeData* data = drag->mimeData(); + QPixmap pm = drag->pixmap(); + + if (pm.isNull()) { + QFont f(qApp->font()); + f.setPointSize(12); + QFontMetrics fm(f); + + if (data->hasImage()) { + const QImage img = data->imageData().value<QImage>(); + if (!img.isNull()) { + pm = QPixmap::fromImage(img).scaledToWidth(dragImageMaxChars *fm.averageCharWidth()); + } + } + + if (pm.isNull() && (data->hasText() || data->hasUrls()) ) { + QString s = data->hasText() ? data->text() : data->urls().first().toString(); + if (s.length() > dragImageMaxChars) + s = s.left(dragImageMaxChars -3) + QChar(0x2026); + if (!s.isEmpty()) { + const int width = fm.width(s); + const int height = fm.height(); + if (width > 0 && height > 0) { + pm = QPixmap(width, height); + QPainter p(&pm); + p.fillRect(0, 0, pm.width(), pm.height(), Qt::color0); + p.setPen(Qt::color1); + p.setFont(f); + p.drawText(0, fm.ascent(), s); + p.end(); + hotSpot = QPoint(pm.width() / 2, pm.height() / 2); + } + } + } + } + + if (pm.isNull()) + pm = defaultPixmap(); + + return pm; +} + QCocoaDropData::QCocoaDropData(NSPasteboard *pasteboard) { dropPasteboard = reinterpret_cast<CFStringRef>(const_cast<const NSString *>([pasteboard name])); |