Qt UI: Implement Mount Point selection, the last wizard page

1 files changed, 106 insertions, 0 deletions

diff --git a/ui/qt5/mountdialog.cc b/ui/qt5/mountdialog.cc
new file mode 100644
index 0000000..f986423
--- /dev/null
+++ b/ui/qt5/mountdialog.cc
@@ -0,0 +1,106 @@
+/*
+ * mountdialog.cc - Implementation of a dialog for selecting a mount point
+ * horizon-qt5, the Qt 5 user interface for
+ * Project Horizon
+ *
+ * Copyright (c) 2020 Adélie Linux and contributors.  All rights reserved.
+ * This code is licensed under the AGPL 3.0 license, as noted in the
+ * LICENSE-code file in the root directory of this repository.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+#include "mountdialog.hh"
+
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QLineEdit>
+#include <QPushButton>
+#include <QVBoxLayout>
+
+MountDialog::MountDialog(QStringList skipParts, QStringList skipMounts,
+                         HorizonWizard *wizard, QWidget *parent)
+    : QDialog(parent, Qt::WindowTitleHint | Qt::WindowCloseButtonHint) {
+    setWindowTitle(tr("Choose Partition and Mount Point"));
+
+    QPushButton *ok = new QPushButton(tr("Confirm"));
+    ok->setEnabled(false);
+    connect(ok, &QPushButton::clicked, this, &QDialog::accept);
+    QPushButton *cancel = new QPushButton(tr("Cancel"));
+    connect(cancel, &QPushButton::clicked, this, &QDialog::reject);
+
+    QVBoxLayout *buttonLayout = new QVBoxLayout;
+    buttonLayout->setAlignment(Qt::AlignTop);
+    buttonLayout->addWidget(ok);
+    buttonLayout->addWidget(cancel);
+
+#ifdef HAS_INSTALL_ENV
+    QStringList partitions;
+
+    for(const auto &disk : wizard->disks) {
+        if(disk.has_fs()) {
+            partitions << QString::fromStdString(disk.node());
+        } else if(disk.has_label()) {
+            for(const auto &part : disk.partitions()) {
+                partitions << QString::fromStdString(part.node());
+            }
+        }
+    }
+
+    QSet<QString> parts = partitions.toSet().subtract(skipParts.toSet());
+    partitions = parts.toList();
+    partitions.sort();
+
+    partList = new QListWidget;
+    partList->setWhatsThis(tr("A list of the partitions available on this system."));
+    partList->addItems(partitions);
+    connect(partList, &QListWidget::currentItemChanged, [=] {
+        ok->setEnabled(partList->currentItem() != nullptr);
+    });
+#else
+    partInput = new QLineEdit;
+    partInput->setWhatsThis(tr("Input the name of a partition, such as /dev/sda1, here."));
+#endif
+
+    QStringList pathCandidates = {"/", "/home", "/opt", "/srv", "/usr",
+                                  "/usr/local", "/var", "/var/db", "/var/log"};
+    QSet<QString> paths = pathCandidates.toSet().subtract(skipMounts.toSet());
+    pathCandidates = paths.toList();
+    pathCandidates.sort();
+
+    pathInput = new QComboBox;
+    pathInput->setEditable(true);
+    pathInput->setWhatsThis(tr("Select where the partition will be mounted."));
+    pathInput->addItems(pathCandidates);
+
+    QVBoxLayout *controlLayout = new QVBoxLayout;
+    controlLayout->addWidget(new QLabel(tr("Partition")));
+    controlLayout->addWidget(partList);
+    controlLayout->addWidget(new QLabel(tr("will be mounted on")));
+    controlLayout->addWidget(pathInput);
+
+    QHBoxLayout *mainBox = new QHBoxLayout;
+    mainBox->addLayout(controlLayout);
+    mainBox->addLayout(buttonLayout);
+
+    setLayout(mainBox);
+}
+
+QString MountDialog::partition() const {
+    assert(partList->currentItem() != nullptr);
+    return partList->currentItem()->text();
+}
+
+void MountDialog::setPartition(const QString &part) {
+    QList<QListWidgetItem *> candidate = partList->findItems(part, Qt::MatchExactly);
+    if(candidate.empty()) return;
+    partList->setCurrentItem(candidate.at(0));
+}
+
+QString MountDialog::mountPoint() const {
+    return pathInput->currentText();
+}
+
+void MountDialog::setMountPoint(const QString &path) {
+    pathInput->setCurrentText(path);
+}