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/*
* ========================================================================== *
* *
* This file is part of the Openterface Mini KVM App QT version *
* *
* Copyright (C) 2024 <info@openterface.com> *
* *
* 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 version 3. *
* *
* 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, see <http://www.gnu.org/licenses/>. *
* *
* ========================================================================== *
*/
#include "cameraajust.h"
#include <QApplication>
#include <QPalette>
CameraAdjust::CameraAdjust(QWidget *parent)
: QWidget(parent)
{
setupUI();
usbControl = new USBControl(this);
initializeControls();
// Ensure the widget stays on top
setWindowFlags(Qt::Widget);
// Make sure it's visible in the parent widget
raise();
// Connect to palette change event
connect(qApp, &QApplication::paletteChanged, this, &CameraAdjust::updateColors);
}
CameraAdjust::~CameraAdjust()
{
}
void CameraAdjust::setupUI()
{
// Set fixed width for the control panel
setFixedWidth(180);
// Create layout
QVBoxLayout *controlsLayout = new QVBoxLayout(this);
// Create and setup the contrast label
contrastLabel = new QLabel("Contrast:", this);
controlsLayout->addWidget(contrastLabel);
// Create and setup the contrast slider
contrastSlider = new QSlider(Qt::Horizontal, this);
contrastSlider->setMinimum(0);
contrastSlider->setMaximum(255);
contrastSlider->setValue(128); // Default value
contrastSlider->setFixedWidth(150);
controlsLayout->addWidget(contrastSlider);
// Set the layout alignment and reduce margins
controlsLayout->setAlignment(Qt::AlignTop);
controlsLayout->setContentsMargins(5, 5, 5, 5);
// Connect the slider's value changed signal
connect(contrastSlider, &QSlider::valueChanged, this, &CameraAdjust::onContrastChanged);
// Set a fixed size for the widget
setFixedSize(180, 50);
// Set initial colors
updateColors();
// Hide initially
hide();
}
void CameraAdjust::updateColors()
{
QPalette systemPalette = QApplication::palette();
QPalette widgetPalette = palette();
// Get system colors
QColor textColor = systemPalette.color(QPalette::WindowText);
QColor backgroundColor = systemPalette.color(QPalette::Window);
QColor highlightColor = systemPalette.color(QPalette::Highlight);
// Set background with some transparency
backgroundColor.setAlpha(230);
setAutoFillBackground(true);
widgetPalette.setColor(QPalette::Window, backgroundColor);
setPalette(widgetPalette);
// Update label color
contrastLabel->setStyleSheet(QString("QLabel { color: %1; }").arg(textColor.name()));
// Update slider style
QString sliderStyle = QString(
"QSlider::groove:horizontal {"
" background: %1;"
" height: 4px;"
" margin: 0px;"
"}"
"QSlider::handle:horizontal {"
" background: %2;"
" width: 16px;"
" margin: -6px 0;"
" border-radius: 8px;"
"}"
"QSlider::add-page:horizontal {"
" background: %3;"
"}"
"QSlider::sub-page:horizontal {"
" background: %4;"
"}")
.arg(systemPalette.color(QPalette::Mid).name())
.arg(highlightColor.name())
.arg(systemPalette.color(QPalette::Mid).name())
.arg(highlightColor.name());
contrastSlider->setStyleSheet(sliderStyle);
}
void CameraAdjust::initializeControls()
{
if (usbControl && usbControl->initializeUSB()) {
qDebug() << "USB initialized";
if (usbControl->findAndOpenUVCDevice()) {
qDebug() << "USB device found and opened";
int currentContrast = usbControl->getContrast();
if (currentContrast >= 0) {
contrastSlider->setValue(currentContrast);
}
}
}
}
void CameraAdjust::toggleVisibility()
{
// clicked to show or hide
if (!isVisible()) {
hide();
} else {
show();
updatePosition(parentWidget()->property("menuBarHeight").toInt(), parentWidget()->width());
raise(); // Ensure it's on top
}
}
void CameraAdjust::updatePosition(int menuBarHeight, int parentWidth)
{
// Position the widget in the top right corner, but offset from the contrast button
setGeometry(
parentWidth - width() - 60, // Move further left to avoid covering the button
menuBarHeight + 35, // Move down below the button
width(),
height()
);
}
void CameraAdjust::onContrastChanged(int value)
{
if (usbControl) {
if (usbControl->setContrast(value)) {
qDebug() << "Contrast set to:" << value;
} else {
qDebug() << "Failed to set contrast";
}
}
}
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