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-rw-r--r--src/widgets/kernel/qapplication.cpp149
1 files changed, 74 insertions, 75 deletions
diff --git a/src/widgets/kernel/qapplication.cpp b/src/widgets/kernel/qapplication.cpp
index b34380dbc3..5d934fe8ec 100644
--- a/src/widgets/kernel/qapplication.cpp
+++ b/src/widgets/kernel/qapplication.cpp
@@ -1,31 +1,37 @@
/****************************************************************************
**
-** Copyright (C) 2015 The Qt Company Ltd.
-** Contact: http://www.qt.io/licensing/
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWidgets module of the Qt Toolkit.
**
-** $QT_BEGIN_LICENSE:LGPL21$
+** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see http://www.qt.io/terms-conditions. For further
-** information use the contact form at http://www.qt.io/contact-us.
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 or version 3 as published by the Free
-** Software Foundation and appearing in the file LICENSE.LGPLv21 and
-** LICENSE.LGPLv3 included in the packaging of this file. Please review the
-** following information to ensure the GNU Lesser General Public License
-** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
-** As a special exception, The Qt Company gives you certain additional
-** rights. These rights are described in The Qt Company LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
@@ -65,6 +71,7 @@
#include <QtGui/qstylehints.h>
#include <QtGui/qinputmethod.h>
#include <QtGui/private/qwindow_p.h>
+#include <QtGui/qtouchdevice.h>
#include <qpa/qplatformtheme.h>
#ifndef QT_NO_WHATSTHIS
#include <QtWidgets/QWhatsThis>
@@ -785,7 +792,7 @@ void QApplicationPrivate::initializeWidgetFontHash()
QWidget *QApplication::activePopupWidget()
{
return QApplicationPrivate::popupWidgets && !QApplicationPrivate::popupWidgets->isEmpty() ?
- QApplicationPrivate::popupWidgets->last() : 0;
+ QApplicationPrivate::popupWidgets->constLast() : nullptr;
}
@@ -1132,9 +1139,9 @@ QStyle *QApplication::style()
QStyle *&app_style = QApplicationPrivate::app_style;
app_style = QStyleFactory::create(style);
if (!app_style) {
- QStringList styles = QStyleFactory::keys();
- for (int i = 0; i < styles.size(); ++i) {
- if ((app_style = QStyleFactory::create(styles.at(i))))
+ const QStringList styles = QStyleFactory::keys();
+ for (const auto &style : styles) {
+ if ((app_style = QStyleFactory::create(style)))
break;
}
}
@@ -1375,7 +1382,7 @@ int QApplication::colorSpec()
void QApplication::setColorSpec(int spec)
{
- if (qApp)
+ if (Q_UNLIKELY(qApp))
qWarning("QApplication::setColorSpec: This function must be "
"called before the QApplication object is created");
QApplicationPrivate::app_cspec = spec;
@@ -1717,9 +1724,11 @@ QString QApplicationPrivate::desktopStyleKey()
// first valid one.
if (const QPlatformTheme *theme = QGuiApplicationPrivate::platformTheme()) {
const QStringList availableKeys = QStyleFactory::keys();
- foreach (const QString &style, theme->themeHint(QPlatformTheme::StyleNames).toStringList())
+ const auto styles = theme->themeHint(QPlatformTheme::StyleNames).toStringList();
+ for (const QString &style : styles) {
if (availableKeys.contains(style, Qt::CaseInsensitive))
return style;
+ }
}
return QString();
}
@@ -1749,8 +1758,7 @@ void QApplicationPrivate::notifyWindowIconChanged()
QWindowList windowList = QGuiApplication::topLevelWindows();
// send to all top-level QWidgets
- for (int i = 0; i < list.size(); ++i) {
- QWidget *w = list.at(i);
+ for (auto *w : list) {
windowList.removeOne(w->windowHandle());
QCoreApplication::sendEvent(w, &ev);
}
@@ -1912,9 +1920,9 @@ bool QApplicationPrivate::tryCloseAllWidgetWindows(QWindowList *processedWindows
processedWindows->append(window);
}
- QWidgetList list = QApplication::topLevelWidgets();
- for (int i = 0; i < list.size(); ++i) {
- QWidget *w = list.at(i);
+retry:
+ const QWidgetList list = QApplication::topLevelWidgets();
+ for (auto *w : list) {
if (w->isVisible() && w->windowType() != Qt::Desktop &&
!w->testAttribute(Qt::WA_DontShowOnScreen) && !w->data->is_closing) {
QWindow *window = w->windowHandle();
@@ -1922,8 +1930,7 @@ bool QApplicationPrivate::tryCloseAllWidgetWindows(QWindowList *processedWindows
return false;
if (window)
processedWindows->append(window);
- list = QApplication::topLevelWidgets();
- i = -1;
+ goto retry;
}
}
return true;
@@ -2002,9 +2009,8 @@ bool QApplication::event(QEvent *e)
ce->accept();
closeAllWindows();
- QWidgetList list = topLevelWidgets();
- for (int i = 0; i < list.size(); ++i) {
- QWidget *w = list.at(i);
+ const QWidgetList list = topLevelWidgets();
+ for (auto *w : list) {
if (w->isVisible() && !(w->windowType() == Qt::Desktop) && !(w->windowType() == Qt::Popup) &&
(!(w->windowType() == Qt::Dialog) || !w->parentWidget())) {
ce->ignore();
@@ -2018,9 +2024,8 @@ bool QApplication::event(QEvent *e)
} else if (e->type() == QEvent::LocaleChange) {
// on Windows the event propagation is taken care by the
// WM_SETTINGCHANGE event handler.
- QWidgetList list = topLevelWidgets();
- for (int i = 0; i < list.size(); ++i) {
- QWidget *w = list.at(i);
+ const QWidgetList list = topLevelWidgets();
+ for (auto *w : list) {
if (!(w->windowType() == Qt::Desktop)) {
if (!w->testAttribute(Qt::WA_SetLocale))
w->d_func()->setLocale_helper(QLocale(), true);
@@ -2064,9 +2069,8 @@ bool QApplication::event(QEvent *e)
}
if(e->type() == QEvent::LanguageChange) {
- QWidgetList list = topLevelWidgets();
- for (int i = 0; i < list.size(); ++i) {
- QWidget *w = list.at(i);
+ const QWidgetList list = topLevelWidgets();
+ for (auto *w : list) {
if (!(w->windowType() == Qt::Desktop))
postEvent(w, new QEvent(QEvent::LanguageChange));
}
@@ -2092,8 +2096,7 @@ void QApplicationPrivate::notifyLayoutDirectionChange()
QWindowList windowList = QGuiApplication::topLevelWindows();
// send to all top-level QWidgets
- for (int i = 0; i < list.size(); ++i) {
- QWidget *w = list.at(i);
+ for (auto *w : list) {
windowList.removeAll(w->windowHandle());
QEvent ev(QEvent::ApplicationLayoutDirectionChange);
QCoreApplication::sendEvent(w, &ev);
@@ -2144,9 +2147,8 @@ void QApplication::setActiveWindow(QWidget* act)
if (QApplicationPrivate::active_window) {
if (style()->styleHint(QStyle::SH_Widget_ShareActivation, 0, QApplicationPrivate::active_window)) {
- QWidgetList list = topLevelWidgets();
- for (int i = 0; i < list.size(); ++i) {
- QWidget *w = list.at(i);
+ const QWidgetList list = topLevelWidgets();
+ for (auto *w : list) {
if (w->isVisible() && w->isActiveWindow())
toBeDeactivated.append(w);
}
@@ -2167,9 +2169,8 @@ void QApplication::setActiveWindow(QWidget* act)
if (QApplicationPrivate::active_window) {
if (style()->styleHint(QStyle::SH_Widget_ShareActivation, 0, QApplicationPrivate::active_window)) {
- QWidgetList list = topLevelWidgets();
- for (int i = 0; i < list.size(); ++i) {
- QWidget *w = list.at(i);
+ const QWidgetList list = topLevelWidgets();
+ for (auto *w : list) {
if (w->isVisible() && w->isActiveWindow())
toBeActivated.append(w);
}
@@ -2232,10 +2233,13 @@ QWidget *qt_tlw_for_window(QWindow *wnd)
else
break;
}
- if (wnd)
- foreach (QWidget *tlw, qApp->topLevelWidgets())
+ if (wnd) {
+ const auto tlws = qApp->topLevelWidgets();
+ for (QWidget *tlw : tlws) {
if (tlw->windowHandle() == wnd)
return tlw;
+ }
+ }
return 0;
}
@@ -2327,7 +2331,6 @@ void QApplicationPrivate::dispatchEnterLeave(QWidget* enter, QWidget* leave, con
return;
#endif
- QWidget* w ;
if ((!enter && !leave) || (enter == leave))
return;
#ifdef ALIEN_DEBUG
@@ -2338,25 +2341,25 @@ void QApplicationPrivate::dispatchEnterLeave(QWidget* enter, QWidget* leave, con
bool sameWindow = leave && enter && leave->window() == enter->window();
if (leave && !sameWindow) {
- w = leave;
+ auto *w = leave;
do {
leaveList.append(w);
} while (!w->isWindow() && (w = w->parentWidget()));
}
if (enter && !sameWindow) {
- w = enter;
+ auto *w = enter;
do {
- enterList.prepend(w);
+ enterList.append(w);
} while (!w->isWindow() && (w = w->parentWidget()));
}
if (sameWindow) {
int enterDepth = 0;
int leaveDepth = 0;
- w = enter;
- while (!w->isWindow() && (w = w->parentWidget()))
+ auto *e = enter;
+ while (!e->isWindow() && (e = e->parentWidget()))
enterDepth++;
- w = leave;
- while (!w->isWindow() && (w = w->parentWidget()))
+ auto *l = leave;
+ while (!l->isWindow() && (l = l->parentWidget()))
leaveDepth++;
QWidget* wenter = enter;
QWidget* wleave = leave;
@@ -2373,21 +2376,16 @@ void QApplicationPrivate::dispatchEnterLeave(QWidget* enter, QWidget* leave, con
wleave = wleave->parentWidget();
}
- w = leave;
- while (w != wleave) {
+ for (auto *w = leave; w != wleave; w = w->parentWidget())
leaveList.append(w);
- w = w->parentWidget();
- }
- w = enter;
- while (w != wenter) {
- enterList.prepend(w);
- w = w->parentWidget();
- }
+
+ for (auto *w = enter; w != wenter; w = w->parentWidget())
+ enterList.append(w);
}
QEvent leaveEvent(QEvent::Leave);
for (int i = 0; i < leaveList.size(); ++i) {
- w = leaveList.at(i);
+ auto *w = leaveList.at(i);
if (!QApplication::activeModalWidget() || QApplicationPrivate::tryModalHelper(w, 0)) {
QApplication::sendEvent(w, &leaveEvent);
if (w->testAttribute(Qt::WA_Hover) &&
@@ -2404,9 +2402,9 @@ void QApplicationPrivate::dispatchEnterLeave(QWidget* enter, QWidget* leave, con
const QPoint globalPos = qIsInf(globalPosF.x())
? QPoint(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX)
: globalPosF.toPoint();
- const QPoint windowPos = enterList.front()->window()->mapFromGlobal(globalPos);
- for (int i = 0; i < enterList.size(); ++i) {
- w = enterList.at(i);
+ const QPoint windowPos = qAsConst(enterList).back()->window()->mapFromGlobal(globalPos);
+ for (auto it = enterList.crbegin(), end = enterList.crend(); it != end; ++it) {
+ auto *w = *it;
if (!QApplication::activeModalWidget() || QApplicationPrivate::tryModalHelper(w, 0)) {
const QPointF localPos = w->mapFromGlobal(globalPos);
QEnterEvent enterEvent(localPos, windowPos, globalPosF);
@@ -2429,7 +2427,7 @@ void QApplicationPrivate::dispatchEnterLeave(QWidget* enter, QWidget* leave, con
// This is not required on Windows as the cursor is reset on every single mouse move.
QWidget *parentOfLeavingCursor = 0;
for (int i = 0; i < leaveList.size(); ++i) {
- w = leaveList.at(i);
+ auto *w = leaveList.at(i);
if (!isAlien(w))
break;
if (w->testAttribute(Qt::WA_SetCursor)) {
@@ -2494,7 +2492,7 @@ bool QApplicationPrivate::isBlockedByModal(QWidget *widget)
bool QApplicationPrivate::isWindowBlocked(QWindow *window, QWindow **blockingWindow) const
{
QWindow *unused = 0;
- if (!window) {
+ if (Q_UNLIKELY(!window)) {
qWarning().nospace() << "window == 0 passed.";
return false;
}
@@ -3016,7 +3014,7 @@ bool QApplication::notify(QObject *receiver, QEvent *e)
if (QApplicationPrivate::is_app_closing)
return true;
- if (receiver == 0) { // serious error
+ if (Q_UNLIKELY(!receiver)) { // serious error
qWarning("QApplication::notify: Unexpected null receiver");
return true;
}
@@ -3264,7 +3262,7 @@ bool QApplication::notify(QObject *receiver, QEvent *e)
QObject *obj = d->extraData->eventFilters.at(i);
if (!obj)
continue;
- if (obj->d_func()->threadData != w->d_func()->threadData) {
+ if (Q_UNLIKELY(obj->d_func()->threadData != w->d_func()->threadData)) {
qWarning("QApplication: Object event filter cannot be in a different thread.");
continue;
}
@@ -3361,7 +3359,7 @@ bool QApplication::notify(QObject *receiver, QEvent *e)
QApplicationPrivate::giveFocusAccordingToFocusPolicy(w, e, relpos);
QWheelEvent we(relpos, wheel->globalPos(), wheel->pixelDelta(), wheel->angleDelta(), wheel->delta(), wheel->orientation(), wheel->buttons(),
- wheel->modifiers(), phase, wheel->source());
+ wheel->modifiers(), phase, wheel->source(), wheel->inverted());
bool eventAccepted;
while (w) {
we.spont = spontaneous && w == receiver;
@@ -3893,7 +3891,7 @@ void QApplicationPrivate::closePopup(QWidget *popup)
} else {
// A popup was closed, so the previous popup gets the focus.
- QWidget* aw = QApplicationPrivate::popupWidgets->last();
+ QWidget* aw = QApplicationPrivate::popupWidgets->constLast();
if (QWidget *fw = aw->focusWidget())
fw->setFocus(Qt::PopupFocusReason);
@@ -4040,7 +4038,8 @@ void QApplication::alert(QWidget *widget, int duration)
if (QWindow *window= QApplicationPrivate::windowForWidget(widget))
window->alert(duration);
} else {
- foreach (QWidget *topLevel, topLevelWidgets())
+ const auto topLevels = topLevelWidgets();
+ for (QWidget *topLevel : topLevels)
QApplication::alert(topLevel, duration);
}
}
@@ -4221,7 +4220,7 @@ bool QApplication::isEffectEnabled(Qt::UIEffect effect)
*/
void QApplication::beep()
{
- QMetaObject::invokeMethod(QGuiApplication::platformNativeInterface(), "beep");
+ QGuiApplicationPrivate::platformIntegration()->beep();
}
/*!
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-30 20:34:24 +0000