ui/widgets/kis_image_from_clipboard_widget.cpp

0001 /*
0002  * SPDX-FileCopyrightText: 2005 Thomas Zander <zander@kde.org>
0003  * SPDX-FileCopyrightText: 2005 C. Boemann <cbo@boemann.dk>
0004  * SPDX-FileCopyrightText: 2007 Boudewijn Rempt <boud@valdyas.org>
0005  *
0006  *  SPDX-License-Identifier: GPL-2.0-or-later
0007  */
0008
0009 #include "widgets/kis_image_from_clipboard_widget.h"
0010 #include "widgets/kis_custom_image_widget.h"
0011
0012 #include <QApplication>
0013 #include <QClipboard>
0014 #include <QComboBox>
0015 #include <QDesktopWidget>
0016 #include <QFile>
0017 #include <QMimeData>
0018 #include <QPushButton>
0019 #include <QRect>
0020 #include <QSlider>
0021 #include <QTimer>
0022
0023 #include <KisPart.h>
0024 #include <KoColor.h>
0025 #include <KoColorModelStandardIds.h>
0026 #include <KoColorProfile.h>
0027 #include <KoCompositeOpRegistry.h>
0028 #include <KoID.h>
0029 #include <KisSqueezedComboBox.h>
0030
0031 #include <kis_debug.h>
0032 #include <kis_fill_painter.h>
0033 #include <kis_group_layer.h>
0034 #include <kis_icon.h>
0035 #include <kis_image.h>
0036 #include <kis_layer.h>
0037 #include <kis_paint_device.h>
0038 #include <kis_paint_layer.h>
0039 #include <kis_painter.h>
0040
0041 #include <KisCursorOverrideLock.h>
0042 #include "KisDocument.h"
0043 #include "kis_clipboard.h"
0044 #include "kis_import_catcher.h"
0045 #include "widgets/kis_cmb_idlist.h"
0046
0047 KisImageFromClipboardWidget::KisImageFromClipboardWidget(QWidget* parent, qint32 defWidth, qint32 defHeight, double resolution, const QString& defColorModel, const QString& defColorDepth, const QString& defColorProfile, const QString& imageName)
0048     : KisCustomImageWidget(parent, defWidth, defHeight, resolution, defColorModel, defColorDepth, defColorProfile, imageName)
0049 {
0050     setObjectName("KisImageFromClipboard");
0051
0052     lblPreview->hide();
0053     grpClipboard->show();
0054
0055     setNumberOfLayers(1);
0056
0057     disconnect(newDialogConfirmationButtonBox, &QDialogButtonBox::accepted, nullptr,
0058                nullptr); // disable normal signal
0059     connect(newDialogConfirmationButtonBox, &QDialogButtonBox::accepted, this, &KisImageFromClipboardWidget::createImage);
0060 }
0061
0062 KisImageFromClipboardWidget::~KisImageFromClipboardWidget()
0063 {
0064 }
0065
0066 void KisImageFromClipboardWidget::createImage()
0067 {
0068     newDialogConfirmationButtonBox->button(QDialogButtonBox::Ok)->setEnabled(false);
0069
0070     KisPaintDeviceSP clip = KisClipboard::instance()->clip(QRect(), true);
0071     if (!clip) {
0072         enableImageCreation(QImage());
0073         return;
0074     }
0075
0076     KisDocument *doc = createNewImage();
0077
0078     if (doc) {
0079         KisImageSP image = doc->image();
0080         if (image && image->root() && image->root()->firstChild()) {
0081             KisNodeSP node = image->root()->firstChild();
0082             while (node && (!dynamic_cast<KisPaintLayer*>(node.data()) || node->userLocked())) {
0083                 node = node->nextSibling();
0084             }
0085
0086             if (!node) {
0087                 KisPaintLayerSP newLayer = new KisPaintLayer(image, image->nextLayerName(), OPACITY_OPAQUE_U8);
0088                 image->addNode(newLayer);
0089                 node = newLayer;
0090             }
0091
0092             KIS_SAFE_ASSERT_RECOVER_RETURN(node);
0093
0094             KisPaintLayer * layer = dynamic_cast<KisPaintLayer*>(node.data());
0095             KIS_SAFE_ASSERT_RECOVER_RETURN(layer);
0096
0097             layer->setOpacity(OPACITY_OPAQUE_U8);
0098             const QRect r = clip->exactBounds();
0099             KisImportCatcher::adaptClipToImageColorSpace(clip, image);
0100
0101             KisPainter::copyAreaOptimized(QPoint(), clip, layer->paintDevice(), r);
0102             layer->setDirty();
0103         }
0104         doc->setModified(true);
0105         emit m_openPane->documentSelected(doc);
0106         m_openPane->accept();
0107     }
0108
0109     newDialogConfirmationButtonBox->button(QDialogButtonBox::Ok)->setEnabled(true);
0110 }
0111
0112 void KisImageFromClipboardWidget::clipboardDataChanged()
0113 {
0114     createClipboardPreview();
0115 }
0116
0117 void KisImageFromClipboardWidget::showEvent(QShowEvent *event)
0118 {
0119     KisCustomImageWidget::showEvent(event);
0120
0121     connect(KisClipboard::instance(), &KisClipboard::clipChanged, this, &KisImageFromClipboardWidget::clipboardDataChanged, Qt::UniqueConnection);
0122
0123     createClipboardPreview();
0124 }
0125
0126
0127 void KisImageFromClipboardWidget::createClipboardPreview()
0128 {
0129     if (!KisClipboard::instance()->hasClip()) {
0130         enableImageCreation(QImage());
0131     }
0132
0133     KisCursorOverrideLock cursorLock(Qt::BusyCursor);
0134
0135     QImage qimage = QApplication::clipboard()->image();
0136     enableImageCreation(qimage);
0137 }
0138
0139 void KisImageFromClipboardWidget::enableImageCreation(const QImage &qimage)
0140 {
0141     if (qimage.isNull()) {
0142         doubleWidth->setValue(0);
0143         doubleHeight->setValue(0);
0144         newDialogConfirmationButtonBox->button(QDialogButtonBox::Ok)->setEnabled(false);
0145         lblPreview->hide();
0146         tabWidget->setEnabled(false);
0147
0148         lblDocumentInfo->setText(i18n("The clipboard is empty or does not have an image in it."));
0149     } else {
0150         QSize previewSize = QSize(75, 75) * devicePixelRatioF();
0151         QPixmap preview = QPixmap::fromImage(qimage.scaled(previewSize, Qt::KeepAspectRatio));
0152         preview.setDevicePixelRatio(devicePixelRatioF());
0153         lblPreview->setPixmap(preview);
0154         lblPreview->show();
0155         newDialogConfirmationButtonBox->button(QDialogButtonBox::Ok)->setEnabled(true);
0156
0157         doubleWidth->setValue(qimage.width());
0158         doubleHeight->setValue(qimage.height());
0159
0160         tabWidget->setEnabled(true);
0161     }
0162 }