diff options
Diffstat (limited to 'src/gui/kernel/qguiapplication.cpp')
-rw-r--r-- | src/gui/kernel/qguiapplication.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/gui/kernel/qguiapplication.cpp b/src/gui/kernel/qguiapplication.cpp index 7996883d06..da71580a73 100644 --- a/src/gui/kernel/qguiapplication.cpp +++ b/src/gui/kernel/qguiapplication.cpp @@ -130,6 +130,7 @@ #include <qtgui_tracepoints_p.h> #include <ctype.h> +#include <limits> QT_BEGIN_NAMESPACE @@ -147,7 +148,7 @@ Q_GUI_EXPORT bool qt_is_tty_app = false; Qt::MouseButtons QGuiApplicationPrivate::mouse_buttons = Qt::NoButton; Qt::KeyboardModifiers QGuiApplicationPrivate::modifier_buttons = Qt::NoModifier; -QPointF QGuiApplicationPrivate::lastCursorPosition(qt_inf(), qt_inf()); +QGuiApplicationPrivate::QLastCursorPosition QGuiApplicationPrivate::lastCursorPosition; QWindow *QGuiApplicationPrivate::currentMouseWindow = nullptr; @@ -711,7 +712,7 @@ QGuiApplication::~QGuiApplication() QGuiApplicationPrivate::desktopFileName = nullptr; QGuiApplicationPrivate::mouse_buttons = Qt::NoButton; QGuiApplicationPrivate::modifier_buttons = Qt::NoModifier; - QGuiApplicationPrivate::lastCursorPosition = {qreal(qInf()), qreal(qInf())}; + QGuiApplicationPrivate::lastCursorPosition.reset(); QGuiApplicationPrivate::currentMousePressWindow = QGuiApplicationPrivate::currentMouseWindow = nullptr; QGuiApplicationPrivate::applicationState = Qt::ApplicationInactive; QGuiApplicationPrivate::currentDragWindow = nullptr; @@ -4144,6 +4145,14 @@ QPixmap QGuiApplicationPrivate::getPixmapCursor(Qt::CursorShape cshape) return QPixmap(); } +QPoint QGuiApplicationPrivate::QLastCursorPosition::toPoint() const noexcept +{ + // Guard against the default initialization of qInf() (avoid UB or SIGFPE in conversion). + if (Q_UNLIKELY(qIsInf(thePoint.x()))) + return QPoint(std::numeric_limits<int>::max(), std::numeric_limits<int>::max()); + return thePoint.toPoint(); +} + void QGuiApplicationPrivate::notifyThemeChanged() { updatePalette(); |