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-rw-r--r--src/widgets/kernel/qapplication.cpp77
1 files changed, 38 insertions, 39 deletions
diff --git a/src/widgets/kernel/qapplication.cpp b/src/widgets/kernel/qapplication.cpp
index f8f24d1ff0..1d26fb6697 100644
--- a/src/widgets/kernel/qapplication.cpp
+++ b/src/widgets/kernel/qapplication.cpp
@@ -58,7 +58,6 @@
#include "qstyle.h"
#include "qstyleoption.h"
#include "qstylefactory.h"
-#include "qtextcodec.h"
#include "qtooltip.h"
#include "qtranslator.h"
#include "qvariant.h"
@@ -361,7 +360,7 @@ void QApplicationPrivate::createEventDispatcher()
/*!
\fn QWidget *QApplication::topLevelAt(const QPoint &point)
- Returns the top-level widget at the given \a point; returns 0 if
+ Returns the top-level widget at the given \a point; returns \nullptr if
there is no such widget.
*/
QWidget *QApplication::topLevelAt(const QPoint &pos)
@@ -576,10 +575,6 @@ void QApplicationPrivate::init()
initialize();
eventDispatcher->startingUp();
-#ifdef QT_EVAL
- extern void qt_gui_eval_init(QCoreApplicationPrivate::Type);
- qt_gui_eval_init(application_type);
-#endif
#ifndef QT_NO_ACCESSIBILITY
// factory for accessible interfaces for widgets shipped with Qt
QAccessible::installFactory(&qAccessibleFactory);
@@ -785,7 +780,7 @@ QWidget *QApplication::activeModalWidget()
/*!
Cleans up any window system resources that were allocated by this
- application. Sets the global variable \c qApp to 0.
+ application. Sets the global variable \c qApp to \nullptr.
*/
QApplication::~QApplication()
@@ -894,8 +889,8 @@ void qt_cleanup()
/*!
\fn QWidget *QApplication::widgetAt(const QPoint &point)
- Returns the widget at global screen position \a point, or 0 if there is no
- Qt widget there.
+ Returns the widget at global screen position \a point, or \nullptr
+ if there is no Qt widget there.
This function can be slow.
@@ -905,9 +900,9 @@ QWidget *QApplication::widgetAt(const QPoint &p)
{
QWidget *window = QApplication::topLevelAt(p);
if (!window)
- return 0;
+ return nullptr;
- QWidget *child = 0;
+ QWidget *child = nullptr;
if (!window->testAttribute(Qt::WA_TransparentForMouseEvents))
child = window->childAt(window->mapFromGlobal(p));
@@ -943,8 +938,8 @@ QWidget *QApplication::widgetAt(const QPoint &p)
\overload
- Returns the widget at global screen position (\a x, \a y), or 0 if there is
- no Qt widget there.
+ Returns the widget at global screen position (\a x, \a y), or
+ \nullptr if there is no Qt widget there.
*/
/*!
@@ -1065,8 +1060,10 @@ QStyle *QApplication::style()
if (!QApplicationPrivate::styleOverride.isEmpty()) {
const QString style = QApplicationPrivate::styleOverride.toLower();
app_style = QStyleFactory::create(style);
- if (!app_style)
- qWarning("QApplication: invalid style override passed, ignoring it.");
+ if (Q_UNLIKELY(!app_style)) {
+ qWarning("QApplication: invalid style override passed, ignoring it.\n"
+ " Available styles: %s", qPrintable(QStyleFactory::keys().join(QLatin1String(", "))));
+ }
}
if (!app_style)
app_style = QStyleFactory::create(QApplicationPrivate::desktopStyleKey());
@@ -1225,7 +1222,7 @@ void QApplication::setStyle(QStyle *style)
"windows", "windowsvista", "fusion", or "macintosh". Style
names are case insensitive.
- Returns 0 if an unknown \a style is passed, otherwise the QStyle object
+ Returns \nullptr if an unknown \a style is passed, otherwise the QStyle object
returned is set as the application's GUI style.
\warning To ensure that the application's style is set correctly, it is
@@ -1242,6 +1239,7 @@ QStyle* QApplication::setStyle(const QString& style)
return s;
}
+#if QT_DEPRECATED_SINCE(5, 8)
/*!
Returns the color specification.
\obsolete
@@ -1316,6 +1314,7 @@ void QApplication::setColorSpec(int spec)
{
Q_UNUSED(spec)
}
+#endif
/*!
\property QApplication::globalStrut
@@ -1419,24 +1418,7 @@ void QApplicationPrivate::setPalette_helper(const QPalette &palette, const char*
if (QApplicationPrivate::is_app_running && !QApplicationPrivate::is_app_closing) {
// Send ApplicationPaletteChange to qApp itself, and to the widgets.
- QEvent e(QEvent::ApplicationPaletteChange);
- QApplication::sendEvent(QApplication::instance(), &e);
-
- QWidgetList wids = QApplication::allWidgets();
- for (QWidgetList::ConstIterator it = wids.constBegin(), cend = wids.constEnd(); it != cend; ++it) {
- QWidget *w = *it;
- if (all || (!className && w->isWindow()) || w->inherits(className)) // matching class
- QApplication::sendEvent(w, &e);
- }
-
- // Send to all scenes as well.
-#if QT_CONFIG(graphicsview)
- QList<QGraphicsScene *> &scenes = qApp->d_func()->scene_list;
- for (QList<QGraphicsScene *>::ConstIterator it = scenes.constBegin();
- it != scenes.constEnd(); ++it) {
- QApplication::sendEvent(*it, &e);
- }
-#endif // QT_CONFIG(graphicsview)
+ qApp->d_func()->sendApplicationPaletteChange(all, className);
}
if (!className && (!QApplicationPrivate::sys_pal || !palette.isCopyOf(*QApplicationPrivate::sys_pal))) {
if (!QApplicationPrivate::set_pal)
@@ -1744,8 +1726,8 @@ QWidgetList QApplication::allWidgets()
}
/*!
- Returns the application widget that has the keyboard input focus, or 0 if
- no widget in this application has the focus.
+ Returns the application widget that has the keyboard input focus,
+ or \nullptr if no widget in this application has the focus.
\sa QWidget::setFocus(), QWidget::hasFocus(), activeWindow(), focusChanged()
*/
@@ -1813,7 +1795,7 @@ void QApplicationPrivate::setFocusWidget(QWidget *focus, Qt::FocusReason reason)
/*!
Returns the application top-level window that has the keyboard input focus,
- or 0 if no application window has the focus. There might be an
+ or \nullptr if no application window has the focus. There might be an
activeWindow() even if there is no focusWidget(), for example if no widget
in that window accepts key events.
@@ -2194,7 +2176,7 @@ void QApplicationPrivate::notifyActiveWindowChange(QWindow *previous)
/*!internal
* Helper function that returns the new focus widget, but does not set the focus reason.
- * Returns 0 if a new focus widget could not be found.
+ * Returns \nullptr if a new focus widget could not be found.
* Shared with QGraphicsProxyWidgetPrivate::findFocusChild()
*/
QWidget *QApplicationPrivate::focusNextPrevChild_helper(QWidget *toplevel, bool next,
@@ -3714,7 +3696,7 @@ bool QApplicationPrivate::notify_helper(QObject *receiver, QEvent * e)
// to the ones in QCoreApplicationPrivate::notify_helper; the reason for their
// duplication is because tracepoint symbols are not exported by QtCore.
// If you adjust the tracepoints here, consider adjusting QCoreApplicationPrivate too.
- Q_TRACE(QApplication_notify_entry, receiver, e, e->type());
+ Q_TRACE_SCOPE(QApplication_notify, receiver, e, e->type());
// send to all application event filters
if (threadRequiresCoreApplication()
@@ -4510,6 +4492,23 @@ void QApplicationPrivate::notifyThemeChanged()
qt_init_tooltip_palette();
}
+void QApplicationPrivate::sendApplicationPaletteChange(bool toAllWidgets, const char *className)
+{
+ QGuiApplicationPrivate::sendApplicationPaletteChange();
+
+ QEvent event(QEvent::ApplicationPaletteChange);
+ const QWidgetList widgets = QApplication::allWidgets();
+ for (auto widget : widgets) {
+ if (toAllWidgets || (!className && widget->isWindow()) || (className && widget->inherits(className)))
+ QApplication::sendEvent(widget, &event);
+ }
+
+#if QT_CONFIG(graphicsview)
+ for (auto scene : qAsConst(scene_list))
+ QApplication::sendEvent(scene, &event);
+#endif // QT_CONFIG(graphicsview)
+}
+
#if QT_CONFIG(draganddrop)
void QApplicationPrivate::notifyDragStarted(const QDrag *drag)
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-08 08:51:04 +0000