| 1 | // Copyright (C) 2021 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 |
| 3 | |
| 4 | #include "inputlistview.h" |
| 5 | |
| 6 | #include <QDropEvent> |
| 7 | #include <QMimeData> |
| 8 | |
| 9 | InputListView::InputListView(QWidget *parent) : QListWidget(parent) |
| 10 | { |
| 11 | setSelectionMode(QAbstractItemView::ExtendedSelection); |
| 12 | setAcceptDrops(true); |
| 13 | } |
| 14 | |
| 15 | bool InputListView::tryAddItem(const QString &label) |
| 16 | { |
| 17 | if (containsItem(needle: label)) |
| 18 | return false; |
| 19 | |
| 20 | addItem(label); |
| 21 | return true; |
| 22 | } |
| 23 | |
| 24 | void InputListView::dropEvent(QDropEvent *event) |
| 25 | { |
| 26 | constexpr int MAX_URLS = 1024; |
| 27 | const QMimeData *mimeData = event->mimeData(); |
| 28 | |
| 29 | if (mimeData->hasUrls()) { |
| 30 | QList<QUrl> urlList = mimeData->urls(); |
| 31 | for (int i = 0; i < urlList.size() && i < MAX_URLS; ++i) { |
| 32 | const QUrl &url = urlList.at(i); |
| 33 | const auto filename = url.toLocalFile(); |
| 34 | if (url.isLocalFile() && !containsItem(needle: filename)) |
| 35 | addItem(label: filename); |
| 36 | } |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | void InputListView::dragEnterEvent(QDragEnterEvent *event) |
| 41 | { |
| 42 | event->acceptProposedAction(); |
| 43 | } |
| 44 | |
| 45 | void InputListView::dragMoveEvent(QDragMoveEvent *event) |
| 46 | { |
| 47 | event->acceptProposedAction(); |
| 48 | } |
| 49 | |
| 50 | void InputListView::dragLeaveEvent(QDragLeaveEvent *event) |
| 51 | { |
| 52 | event->accept(); |
| 53 | } |
| 54 | |
| 55 | bool InputListView::containsItem(const QString &needle) |
| 56 | { |
| 57 | for (int i = 0; i < count(); ++i) { |
| 58 | if (item(row: i)->text() == needle) |
| 59 | return true; |
| 60 | } |
| 61 | return false; |
| 62 | } |
| 63 |