Add widget for editing filesystem paths

2025-08-19 21:03:30 -07:00 · 2016-04-20 22:42:35 +02:00 · 2016-04-20 22:42:35 +02:00 · 30081e0356
commit 30081e0356
parent d61fc7e820
6 changed files with 758 additions and 2 deletions
--- a/src/gui/fspathedit_p.cpp
+++ b/src/gui/fspathedit_p.cpp
@ -0,0 +1,133 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2016 Eugene Shalygin
+ *
+ * This program 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 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include "fspathedit_p.h"
+
+#include <QCompleter>
+#include <QFileInfo>
+
+Private::FileLineEdit::FileLineEdit(QWidget *parent)
+    : QLineEdit {parent}
+    , m_completerModel {new QFileSystemModel(this)}
+    , m_completer {new QCompleter(this)}
+    , m_browseAction {nullptr}
+{
+    m_completerModel->setRootPath("");
+    m_completerModel->setIconProvider(&m_iconProvider);
+    m_completer->setModel(m_completerModel);
+    m_completer->setCompletionMode(QCompleter::PopupCompletion);
+    setCompleter(m_completer);
+
+    connect(m_completerModel, &QFileSystemModel::directoryLoaded, this, &FileLineEdit::showCompletionPopup);
+}
+
+Private::FileLineEdit::~FileLineEdit()
+{
+    delete m_completerModel; // has to be deleted before deleting the m_iconProvider object
+}
+
+void Private::FileLineEdit::completeDirectoriesOnly(bool completeDirsOnly)
+{
+    QDir::Filters filters = completeDirsOnly ? QDir::Dirs : QDir::AllEntries;
+    filters |= QDir::NoDotAndDotDot;
+    m_completerModel->setFilter(filters);
+}
+
+void Private::FileLineEdit::setFilenameFilters(const QStringList &filters)
+{
+    m_completerModel->setNameFilters(filters);
+}
+
+void Private::FileLineEdit::setBrowseAction(QAction *action)
+{
+    m_browseAction = action;
+}
+
+QWidget *Private::FileLineEdit::widget()
+{
+    return this;
+}
+
+void Private::FileLineEdit::keyPressEvent(QKeyEvent *e)
+{
+    QLineEdit::keyPressEvent(e);
+    if ((e->key() == Qt::Key_Space) && (e->modifiers() == Qt::CTRL)) {
+        m_completerModel->setRootPath(QFileInfo(text()).absoluteDir().absolutePath());
+        showCompletionPopup();
+    }
+}
+
+void Private::FileLineEdit::contextMenuEvent(QContextMenuEvent *event)
+{
+    QMenu *menu = createStandardContextMenu();
+    menu->addSeparator();
+    if (m_browseAction) {
+        menu->addSeparator();
+        menu->addAction(m_browseAction);
+    }
+    menu->exec(event->globalPos());
+    delete menu;
+}
+
+void Private::FileLineEdit::showCompletionPopup()
+{
+    m_completer->setCompletionPrefix(text());
+    m_completer->complete();
+}
+
+Private::FileComboEdit::FileComboEdit(QWidget *parent)
+    : QComboBox {parent}
+{
+    setEditable(true);
+    setLineEdit(new FileLineEdit(this));
+}
+
+void Private::FileComboEdit::completeDirectoriesOnly(bool completeDirsOnly)
+{
+    static_cast<FileLineEdit *>(lineEdit())->completeDirectoriesOnly(completeDirsOnly);
+}
+
+void Private::FileComboEdit::setBrowseAction(QAction *action)
+{
+    static_cast<FileLineEdit *>(lineEdit())->setBrowseAction(action);
+}
+
+void Private::FileComboEdit::setFilenameFilters(const QStringList &filters)
+{
+    static_cast<FileLineEdit *>(lineEdit())->setFilenameFilters(filters);
+}
+
+QWidget *Private::FileComboEdit::widget()
+{
+    return this;
+}
+
+QString Private::FileComboEdit::text() const
+{
+    return currentText();
+}