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- chatgui: просмотрщик изображений (ImageViewerWindow) с зумом/поворотом - chatgui: отправка картинок как image с определением разрешения и типа - chatgui: у видео-пузыря строка info (res·size·bitrate) и бейдж только длительность - chatgui: контекстное меню медиа (сохранить в файл/скачать) - chatgui-android: большие emoji-only сообщения, битрейт/разрешение у видео - chatgui-android: сохранение неактивных интерфейсов как закомментированные секции - chatgui-android: отправка картинок по расширению (jpg/png/gif/bmp/webp) - photo_sender: content-type и расширение по типу файлаv2
evgeny
3 weeks ago
17 changed files with 854 additions and 66 deletions
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#include "imageviewer_window.h" |
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#include "../../lib/debug_config.h" |
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#include <QPainter> |
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#include <QImageReader> |
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#include <QWheelEvent> |
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#include <QMouseEvent> |
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#include <QKeyEvent> |
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#include <QCloseEvent> |
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#include <QResizeEvent> |
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#include <QPushButton> |
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#include <QLabel> |
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#include <QTimer> |
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#include <QPropertyAnimation> |
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#include <QGraphicsOpacityEffect> |
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#include <QEasingCurve> |
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#include <QtMath> |
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ImageViewerWindow::ImageViewerWindow(QWidget *parent) |
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: QWidget(parent) |
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{ |
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setWindowTitle(QStringLiteral("Фото")); |
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setAttribute(Qt::WA_DeleteOnClose, false); |
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setMinimumSize(320, 240); |
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resize(800, 600); |
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setMouseTracking(true); |
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m_closeBtn = new QPushButton(QStringLiteral("✕"), this); |
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m_closeBtn->setToolTip(QStringLiteral("Закрыть")); |
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m_closeBtn->setCursor(Qt::ArrowCursor); |
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m_closeBtn->setStyleSheet( |
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"QPushButton { background: rgba(0,0,0,0.5); color: white; border: none; " |
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"border-radius: 4px; font-size: 14px; }" |
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"QPushButton:hover { background: rgba(255,255,255,0.25); }"); |
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connect(m_closeBtn, &QPushButton::clicked, this, &ImageViewerWindow::close); |
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m_closeEffect = new QGraphicsOpacityEffect(m_closeBtn); |
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m_closeBtn->setGraphicsEffect(m_closeEffect); |
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m_closeEffect->setOpacity(0.0); |
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m_closeFade = new QPropertyAnimation(m_closeEffect, "opacity", this); |
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m_closeFade->setEasingCurve(QEasingCurve::InOutQuad); |
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m_hintLabel = new QLabel(QStringLiteral("Ctrl+колесо — зум"), this); |
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m_hintLabel->setAlignment(Qt::AlignCenter); |
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m_hintLabel->setAttribute(Qt::WA_TransparentForMouseEvents); |
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m_hintLabel->setStyleSheet( |
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"QLabel { background: rgba(0,0,0,0.6); color: white; " |
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"border-radius: 12px; padding: 6px 16px; font-size: 13px; }"); |
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m_hintEffect = new QGraphicsOpacityEffect(m_hintLabel); |
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m_hintLabel->setGraphicsEffect(m_hintEffect); |
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m_hintEffect->setOpacity(0.0); |
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m_hintFade = new QPropertyAnimation(m_hintEffect, "opacity", this); |
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m_hintFade->setEasingCurve(QEasingCurve::InOutQuad); |
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auto finishHide = [this]() { |
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if (m_closeEffect->opacity() < 0.01) m_closeBtn->hide(); |
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if (m_hintEffect->opacity() < 0.01) m_hintLabel->hide(); |
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}; |
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connect(m_closeFade, &QPropertyAnimation::finished, this, finishHide); |
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connect(m_hintFade, &QPropertyAnimation::finished, this, finishHide); |
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m_hideTimer = new QTimer(this); |
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m_hideTimer->setSingleShot(true); |
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m_hideTimer->setInterval(1000); |
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connect(m_hideTimer, &QTimer::timeout, this, &ImageViewerWindow::hideOverlay); |
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m_closeBtn->hide(); |
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m_hintLabel->hide(); |
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} |
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void ImageViewerWindow::loadFile(const QString& path) { |
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QImageReader reader(path); |
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reader.setAutoTransform(true); |
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QImage im = reader.read(); |
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if (im.isNull()) { |
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DEBUG_ERROR(DEBUG_CATEGORY_GENERAL, "ImageViewer: cannot load %s", qPrintable(path)); |
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m_image = QPixmap(); |
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update(); |
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return; |
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} |
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m_image = QPixmap::fromImage(im); |
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resetView(); |
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update(); |
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} |
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void ImageViewerWindow::resetView() { |
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m_scale = 1.0; |
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m_offset = QPointF(0, 0); |
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m_dragging = false; |
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} |
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void ImageViewerWindow::clampOffset() { |
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if (m_image.isNull()) { m_offset = QPointF(0, 0); return; } |
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double baseW = (double)m_image.width() / width(); |
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double baseH = (double)m_image.height() / height(); |
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double effScale = (1.0 / qMax(baseW, baseH)) * m_scale; |
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double dw = m_image.width() * effScale; |
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double dh = m_image.height() * effScale; |
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double mx = qMax((dw - width()) / 2.0, 0.0); |
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double my = qMax((dh - height()) / 2.0, 0.0); |
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m_offset.setX(qBound(-mx, m_offset.x(), mx)); |
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m_offset.setY(qBound(-my, m_offset.y(), my)); |
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} |
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void ImageViewerWindow::paintEvent(QPaintEvent*) { |
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QPainter p(this); |
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p.fillRect(rect(), QColor(20, 20, 22)); |
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if (m_image.isNull()) { |
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p.setPen(QColor(150, 150, 150)); |
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p.drawText(rect(), Qt::AlignCenter, QStringLiteral("Не удалось загрузить фото")); |
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return; |
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} |
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/* базовое вписывание: scale так, чтобы изображение влезло целиком */ |
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double baseW = (double)m_image.width() / width(); |
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double baseH = (double)m_image.height() / height(); |
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double fit = 1.0 / qMax(baseW, baseH); |
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double effScale = fit * m_scale; |
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double dw = m_image.width() * effScale; |
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double dh = m_image.height() * effScale; |
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QPointF topLeft((width() - dw) / 2.0 + m_offset.x(), |
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(height() - dh) / 2.0 + m_offset.y()); |
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p.setRenderHint(QPainter::SmoothPixmapTransform); |
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p.drawPixmap(QRectF(topLeft, QSizeF(dw, dh)), m_image, QRectF(m_image.rect())); |
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} |
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void ImageViewerWindow::wheelEvent(QWheelEvent* e) { |
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if (!(e->modifiers() & Qt::ControlModifier)) { e->ignore(); return; } |
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if (m_image.isNull()) return; |
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double factor = (e->angleDelta().y() > 0) ? 1.2 : (1.0 / 1.2); |
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double newScale = qBound(1.0, m_scale * factor, 8.0); |
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if (qFuzzyCompare(newScale, m_scale)) return; |
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/* зум в точку курсора */ |
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QPointF cursor = e->position(); |
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QPointF center((double)width() / 2.0, (double)height() / 2.0); |
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double ratio = newScale / m_scale; |
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m_offset = (m_offset - (cursor - center)) * ratio + (cursor - center); |
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m_scale = newScale; |
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clampOffset(); |
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update(); |
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e->accept(); |
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} |
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void ImageViewerWindow::mousePressEvent(QMouseEvent* e) { |
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if (e->button() == Qt::LeftButton && m_scale > 1.0) { |
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m_dragging = true; |
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m_dragStart = e->position(); |
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m_offsetStart = m_offset; |
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setCursor(Qt::ClosedHandCursor); |
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e->accept(); |
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return; |
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} |
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e->ignore(); |
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} |
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void ImageViewerWindow::mouseMoveEvent(QMouseEvent* e) { |
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showOverlay(); |
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if (m_dragging) { |
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m_offset = m_offsetStart + (e->position() - m_dragStart); |
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clampOffset(); |
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update(); |
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e->accept(); |
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} |
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} |
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void ImageViewerWindow::mouseReleaseEvent(QMouseEvent* e) { |
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if (m_dragging && e->button() == Qt::LeftButton) { |
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m_dragging = false; |
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unsetCursor(); |
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e->accept(); |
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} |
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} |
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void ImageViewerWindow::mouseDoubleClickEvent(QMouseEvent* e) { |
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if (e->button() == Qt::LeftButton) { |
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resetView(); |
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update(); |
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e->accept(); |
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} |
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} |
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void ImageViewerWindow::keyPressEvent(QKeyEvent* e) { |
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if (e->key() == Qt::Key_Escape) { |
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close(); |
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e->accept(); |
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return; |
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} |
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QWidget::keyPressEvent(e); |
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} |
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void ImageViewerWindow::resizeEvent(QResizeEvent* e) { |
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clampOffset(); |
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m_closeBtn->setGeometry(width() - 48, 8, 40, 32); |
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m_closeBtn->raise(); |
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QSize hs = m_hintLabel->sizeHint(); |
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m_hintLabel->setGeometry((width() - hs.width()) / 2, height() - hs.height() - 24, |
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hs.width(), hs.height()); |
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m_hintLabel->raise(); |
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QWidget::resizeEvent(e); |
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} |
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void ImageViewerWindow::showOverlay() { |
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m_closeBtn->show(); |
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m_hintLabel->show(); |
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fadeTo(m_closeFade, m_closeEffect, 100, 1.0); |
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fadeTo(m_hintFade, m_hintEffect, 100, 1.0); |
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m_hideTimer->start(); |
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} |
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void ImageViewerWindow::hideOverlay() { |
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fadeTo(m_closeFade, m_closeEffect, 300, 0.0); |
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fadeTo(m_hintFade, m_hintEffect, 300, 0.0); |
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} |
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void ImageViewerWindow::fadeTo(QPropertyAnimation* anim, QGraphicsOpacityEffect* eff, |
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int durMs, double target) { |
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anim->stop(); |
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anim->setDuration(durMs); |
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anim->setStartValue(eff->opacity()); |
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anim->setEndValue(target); |
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anim->start(); |
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} |
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void ImageViewerWindow::closeEvent(QCloseEvent* e) { |
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emit closed(); |
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QWidget::closeEvent(e); |
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} |
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@ -0,0 +1,53 @@
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#pragma once |
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#include <QWidget> |
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#include <QPixmap> |
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class QPushButton; |
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class QLabel; |
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class QTimer; |
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class QPropertyAnimation; |
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class QGraphicsOpacityEffect; |
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class ImageViewerWindow : public QWidget { |
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Q_OBJECT |
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public: |
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explicit ImageViewerWindow(QWidget *parent = nullptr); |
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void loadFile(const QString& path); |
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signals: |
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void closed(); |
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protected: |
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void paintEvent(QPaintEvent *event) override; |
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void wheelEvent(QWheelEvent *event) override; |
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void mousePressEvent(QMouseEvent *event) override; |
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void mouseMoveEvent(QMouseEvent *event) override; |
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void mouseReleaseEvent(QMouseEvent *event) override; |
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void mouseDoubleClickEvent(QMouseEvent *event) override; |
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void keyPressEvent(QKeyEvent *event) override; |
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void closeEvent(QCloseEvent *event) override; |
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void resizeEvent(QResizeEvent *event) override; |
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private: |
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void resetView(); |
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void clampOffset(); |
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void showOverlay(); |
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void hideOverlay(); |
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void fadeTo(QPropertyAnimation* anim, QGraphicsOpacityEffect* eff, |
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int durMs, double target); |
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QPixmap m_image; |
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double m_scale = 1.0; |
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QPointF m_offset; /* смещение изображения в пикселях виджета */ |
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bool m_dragging = false; |
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QPointF m_dragStart; |
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QPointF m_offsetStart; |
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QPushButton* m_closeBtn = nullptr; |
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QGraphicsOpacityEffect* m_closeEffect = nullptr; |
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QPropertyAnimation* m_closeFade = nullptr; |
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QLabel* m_hintLabel = nullptr; |
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QGraphicsOpacityEffect* m_hintEffect = nullptr; |
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QPropertyAnimation* m_hintFade = nullptr; |
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QTimer* m_hideTimer = nullptr; |
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}; |
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