File list initial content

FileListWidget.cpp

@@ -0,0 +1,62 @@
+/*
+ *  Copyright (C) 2013-2018 Ofer Kashayov <oferkv@live.com>
+ *  This file is part of Phototonic Image Viewer.
+ *
+ *  Phototonic is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Phototonic is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Phototonic.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "FileListWidget.h"
+
+FileListWidget::FileListWidget(QWidget *parent) : QTreeWidget(parent) {
+    setAcceptDrops(true);
+    setDragEnabled(false);
+    setDragDropMode(QAbstractItemView::DropOnly);
+    setColumnCount(1);
+    setHeaderHidden(true);
+    addFileListEntry();
+    setMaximumHeight((int) (QFontMetrics(font()).height() * 1.6));
+}
+
+void FileListWidget::addFileListEntry() {
+    QTreeWidgetItem *item = new QTreeWidgetItem(this);
+    item->setText(0, "File List");
+    item->setIcon(0, QIcon::fromTheme("edit-select-all"));
+    insertTopLevelItem(0, item);
+}
+
+void FileListWidget::resizeTreeColumn(const QModelIndex &) {
+    resizeColumnToContents(0);
+}
+
+void FileListWidget::dragEnterEvent(QDragEnterEvent *event) {
+    QModelIndexList selectedDirs = selectionModel()->selectedRows();
+
+    if (selectedDirs.size() > 0) {
+        dndOrigSelection = selectedDirs[0];
+    }
+    event->acceptProposedAction();
+}
+
+void FileListWidget::dragMoveEvent(QDragMoveEvent *event) {
+    setCurrentIndex(indexAt(event->pos()));
+}
+
+void FileListWidget::dropEvent(QDropEvent *event) {
+    if (event->source()) {
+        QString fileSystemTreeStr("FileSystemTree");
+        bool dirOp = (event->source()->metaObject()->className() == fileSystemTreeStr);
+        emit dropOp(event->keyboardModifiers(), dirOp, event->mimeData()->urls().at(0).toLocalFile());
+    }
+}
+

FileListWidget.h

@@ -0,0 +1,53 @@
+/*
+ *  Copyright (C) 2013-2014 Ofer Kashayov <oferkv@live.com>
+ *  This file is part of Phototonic Image Viewer.
+ *
+ *  Phototonic is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Phototonic is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Phototonic.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef FILE_LIST_WIDGET_H
+#define FILE_LIST_WIDGET_H
+
+#include <QtWidgets>
+#include "Settings.h"
+
+class FileListWidget : public QTreeWidget {
+Q_OBJECT
+
+public:
+    FileListWidget(QWidget *parent);
+
+    void addFileListEntry();
+
+private:
+    QModelIndex dndOrigSelection;
+
+private slots:
+
+    void resizeTreeColumn(const QModelIndex &);
+
+protected:
+    void dragEnterEvent(QDragEnterEvent *event);
+
+    void dragMoveEvent(QDragMoveEvent *event);
+
+    void dropEvent(QDropEvent *event);
+
+signals:
+
+    void dropOp(Qt::KeyboardModifiers keyMods, bool dirOp, QString cpMvDirPath);
+};
+
+#endif // FILE_LIST_WIDGET_H
+