File indexing completed on 2025-03-09 04:10:05

 /*
  *  SPDX-FileCopyrightText: 2005 Bart Coppens <kde@bartcoppens.be>
  *  SPDX-FileCopyrightText: 2010 Lukáš Tvrdý <lukast.dev@gmail.com>
  *  SPDX-FileCopyrightText: 2013 Somsubhra Bairi <somsubhra.bairi@gmail.com>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "kis_clipboard_brush_widget.h"
 
 #include <QLabel>
 #include <QImage>
 #include <QPixmap>
 #include <QShowEvent>
 #include <QPushButton>
 #include <QDialogButtonBox>
 #include <QUuid>
 
 #include <KoResourcePaths.h>
 
 #include <kis_debug.h>
 #include "kis_image.h"
 #include "kis_clipboard.h"
 #include "kis_paint_device.h"
 #include "kis_gbr_brush.h"
 #include "KisBrushServerProvider.h"
 #include "kis_icon.h"
 #include <KisResourceUserOperations.h>
 
 #include <kstandardguiitem.h>
 
 KisClipboardBrushWidget::KisClipboardBrushWidget(QWidget *parent, const QString &caption, KisImageWSP /*image*/)
     : KisWdgClipboardBrush(parent)
 {
     setWindowTitle(caption);
     preview->setScaledContents(false);
     preview->setFixedSize(preview->size());
     preview->setStyleSheet("border: 2px solid #222; border-radius: 4px; padding: 5px; font: normal 10px;");
 
 
     m_rServer = KisBrushServerProvider::instance()->brushServer();
 
     m_brush = 0;
 
     m_clipboard = KisClipboard::instance();
 
     connect(m_clipboard, SIGNAL(clipChanged()), this, SLOT(slotClipboardContentChanged()));
     connect(colorAsmask, SIGNAL(toggled(bool)), this, SLOT(slotUpdateUseColorAsMask(bool)));
     connect(preserveAlpha, SIGNAL(toggled(bool)), this, SLOT(slotCreateBrush()));
     connect(buttonBox, SIGNAL(accepted()), this, SLOT(slotAddPredefined()));
     connect(nameEdit, SIGNAL(textEdited(const QString&)), this, SLOT(slotUpdateSaveButton()));
 
     spacingWidget->setSpacing(true, 1.0);
     connect(spacingWidget, SIGNAL(sigSpacingChanged()), SLOT(slotSpacingChanged()));
 
     KGuiItem::assign(buttonBox->button(QDialogButtonBox::Save), KStandardGuiItem::save());
     KGuiItem::assign(buttonBox->button(QDialogButtonBox::Cancel), KStandardGuiItem::cancel());
 }
 
 KisClipboardBrushWidget::~KisClipboardBrushWidget()
 {
 }
 
 void KisClipboardBrushWidget::slotClipboardContentChanged()
 {
     slotCreateBrush();
     if (m_brush) {
         colorAsmask->setChecked(true); // initializing this has to happen here since we need a valid brush for it to work
         preserveAlpha->setEnabled(true);
         preserveAlpha->setChecked(false);
     }
 }
 
 void KisClipboardBrushWidget::slotCreateBrush()
 {
     // do nothing if it's hidden otherwise it can break the active brush is something is copied
     if (m_clipboard->hasClip() && !isHidden()) {
 
         pd = m_clipboard->clip(QRect(0, 0, 0, 0), false);     //Weird! Don't know how this works!
         if (pd) {
             QRect rc = pd->exactBounds();
 
             m_brush = KisBrushSP(new KisGbrBrush(pd, rc.x(), rc.y(), rc.width(), rc.height()));
 
             m_brush->setSpacing(spacingWidget->spacing());
             m_brush->setAutoSpacing(spacingWidget->autoSpacingActive(), spacingWidget->autoSpacingCoeff());
             m_brush->setFilename(TEMPORARY_CLIPBOARD_BRUSH_FILENAME);
             m_brush->setName(TEMPORARY_CLIPBOARD_BRUSH_NAME);
             m_brush->setValid(true);
 
             if (colorAsmask->isChecked()) {
                 static_cast<KisGbrBrush*>(m_brush.data())->makeMaskImage(preserveAlpha->isChecked());
                 static_cast<KisGbrBrush*>(m_brush.data())->setBrushApplication(preserveAlpha->isChecked() ? LIGHTNESSMAP : ALPHAMASK);
             } else {
                 static_cast<KisGbrBrush*>(m_brush.data())->setBrushApplication(IMAGESTAMP);
             }
 
             int w = preview->size().width()-10;
             preview->setPixmap(QPixmap::fromImage(m_brush->image().scaled(w, w, Qt::KeepAspectRatio)));
         }
     } else {
         preview->setText(i18n("Nothing copied\n to Clipboard"));
     }
 
     if (!m_brush) {
         buttonBox->button(QDialogButtonBox::Save)->setEnabled(false);
     } else {
         buttonBox->button(QDialogButtonBox::Save)->setEnabled(true);
     }
 }
 
 void KisClipboardBrushWidget::slotSpacingChanged()
 {
     if (m_brush) {
         m_brush->setSpacing(spacingWidget->spacing());
         m_brush->setAutoSpacing(spacingWidget->autoSpacingActive(), spacingWidget->autoSpacingCoeff());
     }
 }
 
 void KisClipboardBrushWidget::showEvent(QShowEvent *)
 {
     slotClipboardContentChanged();
 }
 
 void KisClipboardBrushWidget::slotUpdateUseColorAsMask(bool useColorAsMask)
 {
     preserveAlpha->setEnabled(useColorAsMask);
     slotCreateBrush();
 }
 
 void KisClipboardBrushWidget::slotAddPredefined()
 {
     if(!m_brush) return;
 
     QString extension = ".gbr";
     QString name = nameEdit->text();
 
     if (m_rServer) {
         KisGbrBrushSP resource = m_brush->clone().dynamicCast<KisGbrBrush>();
 
         if (nameEdit->text().isEmpty()) {
             resource->setName(QUuid::createUuid().toByteArray().toHex());
         }
         else {
             resource->setName(name);
         }
 
         resource->setFilename(resource->name().split(" ").join("_") + extension);
 
         if (KisResourceUserOperations::addResourceWithUserInput(this, resource)) {
             emit sigNewPredefinedBrush(resource);
         }
     }
 
     close();
 }
 
 void KisClipboardBrushWidget::slotUpdateSaveButton()
 {
     if (QFileInfo(m_rServer->saveLocation() + "/" + nameEdit->text().split(" ").join("_")
                   + ".gbr").exists()) {
         buttonBox->button(QDialogButtonBox::Save)->setText(i18n("Overwrite"));
     } else {
         buttonBox->button(QDialogButtonBox::Save)->setText(i18n("Save"));
     }
 }
 
 #include "moc_kis_clipboard_brush_widget.cpp"