From f041cd599f2ba58906958f6886b9cd25e180d0af Mon Sep 17 00:00:00 2001 From: Yuhang Zhao <zhaoyuhang@rankyee.com> Date: 周三, 06 12月 2023 10:28:34 +0800 Subject: [PATCH] add more const --- src/widgets/widgetitemdelegate.cpp | 66 ++++++++++++++++++++++++++++---- 1 files changed, 57 insertions(+), 9 deletions(-) diff --git a/src/widgets/widgetitemdelegate.cpp b/src/widgets/widgetitemdelegate.cpp index ad8b44b..6378f36 100644 --- a/src/widgets/widgetitemdelegate.cpp +++ b/src/widgets/widgetitemdelegate.cpp @@ -1,25 +1,73 @@ #include "widgetitemdelegate_p.h" +#include <QtGui/QMouseEvent> #include <QtWidgets/QWidget> +#include <QtWidgets/QApplication> + +extern Q_WIDGETS_EXPORT QWidget *qt_button_down; namespace QWK { - - WidgetItemDelegate::WidgetItemDelegate() { + + WidgetItemDelegate::WidgetItemDelegate() = default; + + WidgetItemDelegate::~WidgetItemDelegate() = default; + + QWindow *WidgetItemDelegate::window(const QObject *obj) const { + return static_cast<const QWidget *>(obj)->windowHandle(); } - WidgetItemDelegate::~WidgetItemDelegate() { + bool WidgetItemDelegate::isEnabled(const QObject *obj) const { + return static_cast<const QWidget *>(obj)->isEnabled(); } - QWindow *WidgetItemDelegate::window(QObject *obj) const { - return qobject_cast<QWidget *>(obj)->windowHandle(); + bool WidgetItemDelegate::isVisible(const QObject *obj) const { + return static_cast<const QWidget *>(obj)->isVisible(); } - bool WidgetItemDelegate::isEnabled(QObject *obj) const { - return qobject_cast<QWidget *>(obj)->isEnabled(); + QRect WidgetItemDelegate::mapGeometryToScene(const QObject *obj) const { + auto widget = static_cast<const QWidget *>(obj); + const QPoint originPoint = widget->mapTo(widget->window(), QPoint(0, 0)); + const QSize size = widget->size(); + return {originPoint, size}; } - bool WidgetItemDelegate::isVisible(QObject *obj) const { - return qobject_cast<QWidget *>(obj)->isVisible(); + QWindow *WidgetItemDelegate::hostWindow(const QObject *host) const { + return static_cast<const QWidget *>(host)->windowHandle(); + } + + bool WidgetItemDelegate::isHostSizeFixed(const QObject *host) const { + const auto widget = static_cast<const QWidget *>(host); + // "Qt::MSWindowsFixedSizeDialogHint" is used cross-platform actually. + if (widget->windowFlags() & Qt::MSWindowsFixedSizeDialogHint) { + return true; + } + // Caused by setFixedWidth/Height/Size(). + const QSize minSize = widget->minimumSize(); + const QSize maxSize = widget->maximumSize(); + if (!minSize.isEmpty() && !maxSize.isEmpty() && (minSize == maxSize)) { + return true; + } + // Usually set by the user. + const QSizePolicy sizePolicy = widget->sizePolicy(); + if ((sizePolicy.horizontalPolicy() == QSizePolicy::Fixed) + && (sizePolicy.verticalPolicy() == QSizePolicy::Fixed)) { + return true; + } + return false; + } + + bool WidgetItemDelegate::resetQtGrabbedControl() const { + if (qt_button_down) { + static constexpr const auto invalidPos = QPoint{std::numeric_limits<int>::lowest(), std::numeric_limits<int>::lowest()}; + const auto event = + new QMouseEvent(QEvent::MouseButtonRelease, invalidPos, invalidPos, invalidPos, + Qt::LeftButton, QGuiApplication::mouseButtons() ^ Qt::LeftButton, + QGuiApplication::keyboardModifiers()); + QApplication::postEvent(qt_button_down, event); + qt_button_down = nullptr; + return true; + } + return false; } } \ No newline at end of file -- Gitblit v1.9.1