109 lines
3.1 KiB
C++
109 lines
3.1 KiB
C++
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#include "video_grid_widget.h"
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#include <QFrame>
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#include <cmath>
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namespace scar {
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VideoGridWidget::VideoGridWidget(QWidget* parent)
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: QWidget(parent) {
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gridLayout_ = new QGridLayout(this);
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gridLayout_->setSpacing(5);
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gridLayout_->setContentsMargins(5, 5, 5, 5);
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// Placeholder when no streams
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placeholderLabel_ = new QLabel("No active video streams", this);
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placeholderLabel_->setAlignment(Qt::AlignCenter);
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placeholderLabel_->setStyleSheet("color: #888; font-size: 16px;");
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gridLayout_->addWidget(placeholderLabel_, 0, 0);
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}
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void VideoGridWidget::addStream(const QString& streamId, const QString& username) {
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if (streams_.size() >= MAX_STREAMS) {
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return; // Max streams reached
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}
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// Remove placeholder if this is first stream
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if (streams_.empty()) {
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placeholderLabel_->hide();
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}
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VideoStream stream;
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stream.streamId = streamId;
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stream.username = username;
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// Create video label
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stream.videoLabel = new QLabel(this);
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stream.videoLabel->setMinimumSize(160, 120);
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stream.videoLabel->setStyleSheet("QLabel { background-color: #2C2F33; border: 1px solid #23272A; }");
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stream.videoLabel->setScaledContents(true);
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stream.videoLabel->setAlignment(Qt::AlignCenter);
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stream.videoLabel->setText(username + "\n(No video)");
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stream.videoLabel->setToolTip(username);
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streams_.push_back(stream);
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updateGridLayout();
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}
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void VideoGridWidget::removeStream(const QString& streamId) {
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for (auto it = streams_.begin(); it != streams_.end(); ++it) {
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if (it->streamId == streamId) {
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delete it->videoLabel;
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streams_.erase(it);
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break;
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}
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}
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if (streams_.empty()) {
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placeholderLabel_->show();
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} else {
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updateGridLayout();
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}
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}
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void VideoGridWidget::updateFrame(const QString& streamId, const QPixmap& frame) {
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for (auto& stream : streams_) {
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if (stream.streamId == streamId) {
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stream.videoLabel->setPixmap(frame);
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break;
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}
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}
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}
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void VideoGridWidget::clear() {
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for (auto& stream : streams_) {
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delete stream.videoLabel;
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}
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streams_.clear();
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placeholderLabel_->show();
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}
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void VideoGridWidget::updateGridLayout() {
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// Remove all widgets from layout
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for (auto& stream : streams_) {
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gridLayout_->removeWidget(stream.videoLabel);
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}
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int columns = calculateColumns(streams_.size());
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int rows = std::ceil(static_cast<double>(streams_.size()) / columns);
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// Re-add widgets in grid
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for (size_t i = 0; i < streams_.size(); ++i) {
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int row = i / columns;
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int col = i % columns;
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gridLayout_->addWidget(streams_[i].videoLabel, row, col);
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}
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}
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int VideoGridWidget::calculateColumns(int streamCount) {
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if (streamCount <= 1) return 1;
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if (streamCount <= 4) return 2;
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if (streamCount <= 9) return 3;
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if (streamCount <= 16) return 4;
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if (streamCount <= 25) return 5;
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if (streamCount <= 36) return 6;
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return std::ceil(std::sqrt(streamCount));
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}
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} // namespace scar
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