47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
#include "panels/LoadingOverlay.hpp"
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#include <QColor>
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#include <QEvent>
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#include <QLabel>
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#include <QVBoxLayout>
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#include "Theme.hpp"
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namespace geopro::app {
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LoadingOverlay::LoadingOverlay(QWidget* parent) : QWidget(parent), label_(new QLabel(this)) {
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Q_ASSERT(parent); // 契约：必须有父（遮罩几何跟随父，无父无法工作）
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setAttribute(Qt::WA_StyledBackground, true);
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label_->setText(QStringLiteral("加载中…"));
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label_->setAlignment(Qt::AlignCenter);
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auto* lay = new QVBoxLayout(this);
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lay->addWidget(label_);
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if (parent) parent->installEventFilter(this);
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// 半透明遮罩跟随主题：浅色白纱深字（原版），暗色深纱浅字，避免暗色下刺眼白蒙板。
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const auto applyTheme = [this]() {
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const QColor veil = isDarkTheme() ? tokenColor("bg/app") : QColor(255, 255, 255);
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setStyleSheet(QStringLiteral("background: rgba(%1,%2,%3,160);")
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.arg(veil.red()).arg(veil.green()).arg(veil.blue()));
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label_->setStyleSheet(QStringLiteral("background: transparent; color: %1;")
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.arg(tokenColor("text/primary").name()));
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};
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applyTheme();
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connect(&ThemeManager::instance(), &ThemeManager::changed, this, applyTheme);
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hide();
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}
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void LoadingOverlay::showOver() {
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if (parentWidget()) setGeometry(parentWidget()->rect());
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raise();
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show();
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}
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bool LoadingOverlay::eventFilter(QObject* obj, QEvent* ev) {
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if (obj == parentWidget() && ev->type() == QEvent::Resize && isVisible()) {
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setGeometry(parentWidget()->rect());
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}
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return QWidget::eventFilter(obj, ev);
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}
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} // namespace geopro::app
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