fix color picker crashes on Wayland

It does not work yet on Wayland. Support for that can be added using D-
Bus. See kdenlive's ColorPickerWidget that uses that. Qt has a separate
D-Bus module that needs to be integrated. That is outside the scope of
this commit and release. Try it for next.

src/docks/filesdock.cpp

@@ -543,7 +543,8 @@ FilesDock::FilesDock(QWidget *parent)
         ui->locationsCombo->addItem(name, path);
     }
     ui->locationsCombo->setEditText(QDir::toNativeSeparators(Settings.filesCurrentDir()));
-    connect(ui->locationsCombo->lineEdit(), &QLineEdit::editingFinished, this, &FilesDock::onLocationsEditingFinished);
+    connect(ui->locationsCombo->lineEdit(), &QLineEdit::editingFinished, this,
+            &FilesDock::onLocationsEditingFinished);
 
     m_filesModel = new FilesModel(this);
     m_filesModel->setOption(QFileSystemModel::DontUseCustomDirectoryIcons);

src/mainwindow.cpp

@@ -2582,7 +2582,7 @@ bool MainWindow::eventFilter(QObject *target, QEvent *event)
 
 void MainWindow::dragEnterEvent(QDragEnterEvent *event)
 {
-    // Simulate the player firing a dragStarted even to make the playlist close
+    // Simulate the player firing a dragStarted event to make the playlist close
     // its help text view. This lets one drop a clip directly into the playlist
     // from a fresh start.
     auto *videoWidget = (Mlt::VideoWidget *) &Mlt::Controller::singleton();

src/qmltypes/colorpickeritem.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2022 Meltytech, LLC
+ * Copyright (c) 2014-2024 Meltytech, LLC
  * Inspiration: KDENLIVE colorpickerwidget.cpp by Till Theato ([email protected])
  * Inspiration: QColorDialog.cpp
  *
@@ -48,7 +48,7 @@ void ColorPickerItem::grabColor()
     QPixmap screenGrab = screen->grabWindow(0, m_selectedRect.x(), m_selectedRect.y(),
                                             m_selectedRect.width(), m_selectedRect.height());
     QImage image = screenGrab.toImage();
-    int numPixel = image.width() * image.height();
+    int numPixel = qMax(image.width() * image.height(), 1);
     int sumR = 0;
     int sumG = 0;
     int sumB = 0;