1 files changed, 111 insertions, 0 deletions
diff --git a/src/apps/qcam/cam_select_dialog.cpp b/src/apps/qcam/cam_select_dialog.cpp
new file mode 100644
index 00000000..3c8b12a9
--- /dev/null
+++ b/src/apps/qcam/cam_select_dialog.cpp
@@ -0,0 +1,111 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2022, Utkarsh Tiwari <utkarsh02t@gmail.com>
+ *
+ * cam_select_dialog.cpp - qcam - Camera Selection dialog
+ */
+
+#include "cam_select_dialog.h"
+
+#include <memory>
+
+#include <libcamera/camera.h>
+#include <libcamera/camera_manager.h>
+
+#include <QComboBox>
+#include <QDialogButtonBox>
+#include <QFormLayout>
+#include <QLabel>
+#include <QString>
+
+CameraSelectorDialog::CameraSelectorDialog(libcamera::CameraManager *cameraManager,
+					   QWidget *parent)
+	: QDialog(parent), cm_(cameraManager)
+{
+	/* Use a QFormLayout for the dialog. */
+	QFormLayout *layout = new QFormLayout(this);
+
+	/* Setup the camera id combo-box. */
+	cameraIdComboBox_ = new QComboBox;
+	for (const auto &cam : cm_->cameras())
+		cameraIdComboBox_->addItem(QString::fromStdString(cam->id()));
+
+	/* Set camera information labels. */
+	cameraLocation_ = new QLabel;
+	cameraModel_ = new QLabel;
+
+	updateCameraInfo(cameraIdComboBox_->currentText());
+	connect(cameraIdComboBox_, &QComboBox::currentTextChanged,
+		this, &CameraSelectorDialog::updateCameraInfo);
+
+	/* Setup the QDialogButton Box */
+	QDialogButtonBox *buttonBox =
+		new QDialogButtonBox(QDialogButtonBox::Ok |
+				     QDialogButtonBox::Cancel);
+
+	connect(buttonBox, &QDialogButtonBox::accepted,
+		this, &QDialog::accept);
+	connect(buttonBox, &QDialogButtonBox::rejected,
+		this, &QDialog::reject);
+
+	/* Set the layout. */
+	layout->addRow("Camera:", cameraIdComboBox_);
+	layout->addRow("Location:", cameraLocation_);
+	layout->addRow("Model:", cameraModel_);
+	layout->addWidget(buttonBox);
+}
+
+CameraSelectorDialog::~CameraSelectorDialog() = default;
+
+std::string CameraSelectorDialog::getCameraId()
+{
+	return cameraIdComboBox_->currentText().toStdString();
+}
+
+/* Hotplug / Unplug Support. */
+void CameraSelectorDialog::addCamera(QString cameraId)
+{
+	cameraIdComboBox_->addItem(cameraId);
+}
+
+void CameraSelectorDialog::removeCamera(QString cameraId)
+{
+	int cameraIndex = cameraIdComboBox_->findText(cameraId);
+	cameraIdComboBox_->removeItem(cameraIndex);
+}
+
+/* Camera Information */
+void CameraSelectorDialog::updateCameraInfo(QString cameraId)
+{
+	const std::shared_ptr<libcamera::Camera> &camera =
+		cm_->get(cameraId.toStdString());
+
+	if (!camera)
+		return;
+
+	const libcamera::ControlList &properties = camera->properties();
+
+	const auto &location = properties.get(libcamera::properties::Location);
+	if (location) {
+		switch (*location) {
+		case libcamera::properties::CameraLocationFront:
+			cameraLocation_->setText("Internal front camera");
+			break;
+		case libcamera::properties::CameraLocationBack:
+			cameraLocation_->setText("Internal back camera");
+			break;
+		case libcamera::properties::CameraLocationExternal:
+			cameraLocation_->setText("External camera");
+			break;
+		default:
+			cameraLocation_->setText("Unknown");
+		}
+	} else {
+		cameraLocation_->setText("Unknown");
+	}
+
+	const auto &model = properties.get(libcamera::properties::Model)
+				    .value_or("Unknown");
+
+	cameraModel_->setText(QString::fromStdString(model));
+}