Merge bitcoin-core/gui#46: refactor: Fix deprecation warnings when building against Qt 5.15

705c1f0648c72aa97e0ee699ff9a3da23fc9bd61 qt, refactor: Fix 'buttonClicked is deprecated' warnings (Hennadii Stepanov)
c2f4e5ea1d6f01713ac69aaf6018884028aa55bd qt, refactor: Fix 'split is deprecated' warnings (Hennadii Stepanov)
8e12d6996116e786e928077b22d9f47cee27319e qt, refactor: Fix 'QFlags is deprecated' warnings (Hennadii Stepanov)
fa5749c805878304c107bcae0ae5ffa401dc7c4d qt, refactor: Fix 'pixmap is deprecated' warnings (Hennadii Stepanov)
b02264cb5dfcef50eec8a6346471cbaa25370e00 qt, refactor: Fix 'QDateTime is deprecated' warnings (Hennadii Stepanov)

Pull request description:

  [What's New in Qt 5.15](https://doc.qt.io/qt-5/whatsnew515.html#deprecated-modules):
  > To help preparing for the transition to Qt 6, numerous classes and member functions that will be removed from Qt 6.0 have been marked as deprecated in the Qt 5.15 release.

  Fixes #36

ACKs for top commit:
  jonasschnelli:
    utACK 705c1f0648c72aa97e0ee699ff9a3da23fc9bd61
  promag:
    Tested ACK 705c1f0648c72aa97e0ee699ff9a3da23fc9bd61 on macos with Apple clang version 11.0.3 (clang-1103.0.32.62) and brew qt 5.15.1.

Tree-SHA512: 29e00535b4583ceec0dfb29612e86ee29bdea13651b548c6d22167917a4a10464af49160a12b05151030699f690f437ebb9c4ae9f130f66a722415222165b44f

1 files changed, 5 insertions, 8 deletions

diff --git a/src/qt/qrimagewidget.cpp b/src/qt/qrimagewidget.cpp
index 52f1e60957..141f4abb3b 100644
--- a/src/qt/qrimagewidget.cpp
+++ b/src/qt/qrimagewidget.cpp
@@ -98,15 +98,12 @@ bool QRImageWidget::setQR(const QString& data, const QString& text)
 
 QImage QRImageWidget::exportImage()
 {
-    if(!pixmap())
-        return QImage();
-    return pixmap()->toImage();
+    return GUIUtil::GetImage(this);
 }
 
 void QRImageWidget::mousePressEvent(QMouseEvent *event)
 {
-    if(event->button() == Qt::LeftButton && pixmap())
-    {
+    if (event->button() == Qt::LeftButton && GUIUtil::HasPixmap(this)) {
         event->accept();
         QMimeData *mimeData = new QMimeData;
         mimeData->setImageData(exportImage());
@@ -121,7 +118,7 @@ void QRImageWidget::mousePressEvent(QMouseEvent *event)
 
 void QRImageWidget::saveImage()
 {
-    if(!pixmap())
+    if (!GUIUtil::HasPixmap(this))
         return;
     QString fn = GUIUtil::getSaveFileName(this, tr("Save QR Code"), QString(), tr("PNG Image (*.png)"), nullptr);
     if (!fn.isEmpty())
@@ -132,14 +129,14 @@ void QRImageWidget::saveImage()
 
 void QRImageWidget::copyImage()
 {
-    if(!pixmap())
+    if (!GUIUtil::HasPixmap(this))
         return;
     QApplication::clipboard()->setImage(exportImage());
 }
 
 void QRImageWidget::contextMenuEvent(QContextMenuEvent *event)
 {
-    if(!pixmap())
+    if (!GUIUtil::HasPixmap(this))
         return;
     contextMenu->exec(event->globalPos());
 }