forked from quickshell/quickshell
81 lines
1.9 KiB
C++
81 lines
1.9 KiB
C++
#include "lint.hpp"
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#include <algorithm>
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#include <qlogging.h>
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#include <qloggingcategory.h>
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#include <qobject.h>
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#include <qqmlcontext.h>
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#include <qqmlengine.h>
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#include <qqmlinfo.h>
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#include <qquickitem.h>
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#include <qquickwindow.h>
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#include <qstringliteral.h>
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namespace qs::debug {
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namespace {
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Q_LOGGING_CATEGORY(logLint, "quickshell.linter", QtWarningMsg);
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void lintZeroSized(QQuickItem* item);
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bool isRenderable(QQuickItem* item);
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} // namespace
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void lintObjectTree(QObject* object) {
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if (!logLint().isWarningEnabled()) return;
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for (auto* child: object->children()) {
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if (child->isQuickItemType()) {
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auto* item = static_cast<QQuickItem*>(child); // NOLINT;
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lintItemTree(item);
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} else {
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lintObjectTree(child);
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}
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}
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}
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void lintItemTree(QQuickItem* item) {
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if (!logLint().isWarningEnabled()) return;
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lintZeroSized(item);
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for (auto* child: item->childItems()) {
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lintItemTree(child);
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}
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}
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namespace {
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void lintZeroSized(QQuickItem* item) {
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if (!item->isEnabled() || !item->isVisible()) return;
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if (item->childItems().isEmpty()) return;
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auto zeroWidth = item->width() == 0;
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auto zeroHeight = item->height() == 0;
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if (!zeroWidth && !zeroHeight) return;
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if (!isRenderable(item)) return;
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auto* ctx = QQmlEngine::contextForObject(item);
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if (!ctx || ctx->baseUrl().scheme() != QStringLiteral("qsintercept")) return;
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qmlWarning(item) << "Item is visible and has visible children, but has zero "
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<< (zeroWidth && zeroHeight ? "width and height"
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: zeroWidth ? "width"
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: "height");
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}
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bool isRenderable(QQuickItem* item) {
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if (!item->isEnabled() || !item->isVisible()) return false;
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if (item->flags().testFlags(QQuickItem::ItemHasContents)) {
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return true;
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}
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return std::ranges::any_of(item->childItems(), [](auto* item) { return isRenderable(item); });
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}
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} // namespace
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} // namespace qs::debug
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