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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2022, Utkarsh Tiwari <utkarsh02t@gmail.com>
*
* 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 <QGuiApplication>
#include <QLabel>
#include <QScreen>
#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);
/*
* Decrease the minimum width of dialog to fit on narrow screens, with a
* 20 pixels margin.
*/
QRect screenGeometry = qGuiApp->primaryScreen()->availableGeometry();
if (screenGeometry.width() < minimumWidth())
setMinimumWidth(screenGeometry.width() - 20);
}
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));
}
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