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-rw-r--r--src/widgets/widgets/qsplitter.cpp158
1 files changed, 70 insertions, 88 deletions
diff --git a/src/widgets/widgets/qsplitter.cpp b/src/widgets/widgets/qsplitter.cpp
index d80d211051..d0519a56a2 100644
--- a/src/widgets/widgets/qsplitter.cpp
+++ b/src/widgets/widgets/qsplitter.cpp
@@ -1,41 +1,5 @@
-/****************************************************************************
-**
-** 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.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 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 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.
-**
-** 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.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qsplitter.h"
@@ -62,6 +26,8 @@
QT_BEGIN_NAMESPACE
+using namespace Qt::StringLiterals;
+
//#define QSPLITTER_DEBUG
QSplitterPrivate::~QSplitterPrivate()
@@ -289,10 +255,11 @@ bool QSplitterHandle::event(QEvent *event)
void QSplitterHandle::mouseMoveEvent(QMouseEvent *e)
{
Q_D(QSplitterHandle);
- if (!(e->buttons() & Qt::LeftButton))
+ if (!d->pressed)
return;
- int pos = d->pick(parentWidget()->mapFromGlobal(e->globalPosition().toPoint()))
- - d->mouseOffset;
+
+ const int pos = d->pick(parentWidget()->mapFromGlobal(e->globalPosition().toPoint()))
+ - d->mouseOffset;
if (opaqueResize()) {
moveSplitter(pos);
} else {
@@ -319,16 +286,18 @@ void QSplitterHandle::mousePressEvent(QMouseEvent *e)
void QSplitterHandle::mouseReleaseEvent(QMouseEvent *e)
{
Q_D(QSplitterHandle);
- if (!opaqueResize() && e->button() == Qt::LeftButton) {
- int pos = d->pick(parentWidget()->mapFromGlobal(e->globalPosition().toPoint()))
- - d->mouseOffset;
+ if (!d->pressed)
+ return;
+
+ if (!opaqueResize()) {
+ const int pos = d->pick(parentWidget()->mapFromGlobal(e->globalPosition().toPoint()))
+ - d->mouseOffset;
d->s->setRubberBand(-1);
moveSplitter(pos);
}
- if (e->button() == Qt::LeftButton) {
- d->pressed = false;
- update();
- }
+
+ d->pressed = false;
+ update();
}
/*!
@@ -392,7 +361,7 @@ void QSplitterPrivate::init()
void QSplitterPrivate::recalc(bool update)
{
Q_Q(QSplitter);
- int n = list.count();
+ int n = list.size();
/*
Splitter handles before the first visible widget or right
before a hidden widget must be hidden.
@@ -439,9 +408,9 @@ void QSplitterPrivate::recalc(bool update)
QSize minS = qSmartMinSize(s->widget);
minl += pick(minS);
- maxl += pick(s->widget->maximumSize());
+ maxl += pick(qSmartMaxSize(s->widget));
mint = qMax(mint, trans(minS));
- int tm = trans(s->widget->maximumSize());
+ int tm = trans(qSmartMaxSize(s->widget));
if (tm > 0)
maxt = qMin(maxt, tm);
}
@@ -482,7 +451,7 @@ void QSplitterPrivate::doResize()
{
Q_Q(QSplitter);
QRect r = q->contentsRect();
- int n = list.count();
+ int n = list.size();
QList<QLayoutStruct> a(n * 2);
int i;
@@ -518,7 +487,7 @@ void QSplitterPrivate::doResize()
a[j].maximumSize = 0;
} else {
a[j].minimumSize = pick(qSmartMinSize(s->widget));
- a[j].maximumSize = pick(s->widget->maximumSize());
+ a[j].maximumSize = pick(qSmartMaxSize(s->widget));
a[j].empty = false;
bool stretch = noStretchFactorsSet;
@@ -580,7 +549,7 @@ void QSplitterPrivate::addContribution(int index, int *min, int *max, bool mayCo
if (mayCollapse || !s->collapsed)
*min += pick(qSmartMinSize(s->widget));
- *max += pick(s->widget->maximumSize());
+ *max += pick(qSmartMaxSize(s->widget));
}
}
@@ -596,7 +565,7 @@ int QSplitterPrivate::findWidgetJustBeforeOrJustAfter(int index, int delta, int
return index;
}
index += delta;
- } while (index >= 0 && index < list.count());
+ } while (index >= 0 && index < list.size());
return -1;
}
@@ -608,7 +577,7 @@ int QSplitterPrivate::findWidgetJustBeforeOrJustAfter(int index, int delta, int
void QSplitterPrivate::getRange(int index, int *farMin, int *min, int *max, int *farMax) const
{
Q_Q(const QSplitter);
- int n = list.count();
+ int n = list.size();
if (index <= 0 || index >= n)
return;
@@ -732,10 +701,15 @@ void QSplitterPrivate::setSizes_helper(const QList<int> &sizes, bool clampNegati
doResize();
}
+/*
+ Used by various methods inserting a widget to find out if we need to show the widget
+ explicitly, which we have to if the splitter is already visible, and if the widget hasn't
+ been explicitly hidden before inserting it.
+*/
bool QSplitterPrivate::shouldShowWidget(const QWidget *w) const
{
Q_Q(const QSplitter);
- return q->isVisible() && !(w->isHidden() && w->testAttribute(Qt::WA_WState_ExplicitShowHide));
+ return q->isVisible() && !QWidgetPrivate::get(w)->isExplicitlyHidden();
}
void QSplitterPrivate::setGeo(QSplitterLayoutStruct *sls, int p, int s, bool allowCollapse)
@@ -783,7 +757,7 @@ void QSplitterPrivate::setGeo(QSplitterLayoutStruct *sls, int p, int s, bool all
void QSplitterPrivate::doMove(bool backwards, int hPos, int index, int delta, bool mayCollapse,
int *positions, int *widths)
{
- if (index < 0 || index >= list.count())
+ if (index < 0 || index >= list.size())
return;
#ifdef QSPLITTER_DEBUG
@@ -803,7 +777,7 @@ void QSplitterPrivate::doMove(bool backwards, int hPos, int index, int delta, bo
int ws = backwards ? hPos - pick(s->rect.topLeft())
: pick(s->rect.bottomRight()) - hPos -hs + 1;
if (ws > 0 || (!s->collapsed && !mayCollapse)) {
- ws = qMin(ws, pick(w->maximumSize()));
+ ws = qMin(ws, pick(qSmartMaxSize(w)));
ws = qMax(ws, pick(qSmartMinSize(w)));
} else {
ws = 0;
@@ -853,7 +827,7 @@ QSplitterLayoutStruct *QSplitterPrivate::insertWidget(int index, QWidget *w)
Q_Q(QSplitter);
QSplitterLayoutStruct *sls = nullptr;
int i;
- int last = list.count();
+ int last = list.size();
for (i = 0; i < list.size(); ++i) {
QSplitterLayoutStruct *s = list.at(i);
if (s->widget == w) {
@@ -870,7 +844,7 @@ QSplitterLayoutStruct *QSplitterPrivate::insertWidget(int index, QWidget *w)
} else {
sls = new QSplitterLayoutStruct;
QSplitterHandle *newHandle = q->createHandle();
- newHandle->setObjectName(QLatin1String("qt_splithandle_") + w->objectName());
+ newHandle->setObjectName("qt_splithandle_"_L1 + w->objectName());
sls->handle = newHandle;
sls->widget = w;
w->lower();
@@ -1105,7 +1079,7 @@ void QSplitter::resizeEvent(QResizeEvent *)
void QSplitter::addWidget(QWidget *widget)
{
Q_D(QSplitter);
- insertWidget(d->list.count(), widget);
+ insertWidget(d->list.size(), widget);
}
/*!
@@ -1155,7 +1129,7 @@ QWidget *QSplitter::replaceWidget(int index, QWidget *widget)
return nullptr;
}
- if (index < 0 || index >= d->list.count()) {
+ if (index < 0 || index >= d->list.size()) {
qWarning("QSplitter::replaceWidget: Index %d out of range", index);
return nullptr;
}
@@ -1175,7 +1149,7 @@ QWidget *QSplitter::replaceWidget(int index, QWidget *widget)
QBoolBlocker b(d->blockChildAdd);
const QRect geom = current->geometry();
- const bool shouldShow = d->shouldShowWidget(current);
+ const bool wasHidden = current->isHidden();
s->widget = widget;
current->setParent(nullptr);
@@ -1185,14 +1159,15 @@ QWidget *QSplitter::replaceWidget(int index, QWidget *widget)
// should not change. Only set the geometry on the new widget
widget->setGeometry(geom);
widget->lower();
- widget->setVisible(shouldShow);
+ if (wasHidden)
+ widget->hide();
+ else if (d->shouldShowWidget(widget))
+ widget->show();
return current;
}
/*!
- \fn int QSplitter::indexOf(QWidget *widget) const
-
Returns the index in the splitter's layout of the specified \a widget,
or -1 if \a widget is not found. This also works for handles.
@@ -1202,12 +1177,12 @@ QWidget *QSplitter::replaceWidget(int index, QWidget *widget)
\sa count(), widget()
*/
-int QSplitter::indexOf(QWidget *w) const
+int QSplitter::indexOf(QWidget *widget) const
{
Q_D(const QSplitter);
for (int i = 0; i < d->list.size(); ++i) {
QSplitterLayoutStruct *s = d->list.at(i);
- if (s->widget == w || s->handle == w)
+ if (s->widget == widget || s->handle == widget)
return i;
}
return -1;
@@ -1267,7 +1242,7 @@ QWidget *QSplitter::widget(int index) const
int QSplitter::count() const
{
Q_D(const QSplitter);
- return d->list.count();
+ return d->list.size();
}
/*!
@@ -1288,16 +1263,18 @@ int QSplitter::count() const
void QSplitter::childEvent(QChildEvent *c)
{
Q_D(QSplitter);
- if (!c->child()->isWidgetType()) {
- if (Q_UNLIKELY(c->type() == QEvent::ChildAdded && qobject_cast<QLayout *>(c->child())))
- qWarning("Adding a QLayout to a QSplitter is not supported.");
- return;
- }
if (c->added()) {
+ if (!c->child()->isWidgetType()) {
+ if (Q_UNLIKELY(qobject_cast<QLayout *>(c->child())))
+ qWarning("Adding a QLayout to a QSplitter is not supported.");
+ return;
+ }
QWidget *w = static_cast<QWidget*>(c->child());
if (!d->blockChildAdd && !w->isWindow() && !d->findWidget(w))
- d->insertWidget_helper(d->list.count(), w, false);
+ d->insertWidget_helper(d->list.size(), w, false);
} else if (c->polished()) {
+ if (!c->child()->isWidgetType())
+ return;
QWidget *w = static_cast<QWidget*>(c->child());
if (!d->blockChildAdd && !w->isWindow() && d->shouldShowWidget(w))
w->show();
@@ -1337,7 +1314,7 @@ void QSplitter::setRubberBand(int pos)
QBoolBlocker b(d->blockChildAdd);
d->rubberBand = new QRubberBand(QRubberBand::Line, this);
// For accessibility to identify this special widget.
- d->rubberBand->setObjectName(QLatin1String("qt_rubberband"));
+ d->rubberBand->setObjectName("qt_rubberband"_L1);
}
const QRect newGeom = d->orient == Qt::Horizontal ? QRect(QPoint(pos + hw / 2 - rBord, r.y()), QSize(2 * rBord, r.height()))
@@ -1379,7 +1356,7 @@ bool QSplitter::event(QEvent *e)
}
/*!
- \fn QSplitter::splitterMoved(int pos, int index)
+ \fn void QSplitter::splitterMoved(int pos, int index)
This signal is emitted when the splitter handle at a particular \a
index has been moved to position \a pos.
@@ -1406,10 +1383,10 @@ void QSplitter::moveSplitter(int pos, int index)
{
Q_D(QSplitter);
QSplitterLayoutStruct *s = d->list.at(index);
- int farMin;
- int min;
- int max;
- int farMax;
+ int farMin = 0;
+ int min = 0;
+ int max = 0;
+ int farMax = 0;
#ifdef QSPLITTER_DEBUG
int debugp = pos;
@@ -1421,15 +1398,15 @@ void QSplitter::moveSplitter(int pos, int index)
qDebug() << "QSplitter::moveSplitter" << debugp << index << "adjusted" << pos << "oldP" << oldP;
#endif
- QVarLengthArray<int, 32> poss(d->list.count());
- QVarLengthArray<int, 32> ws(d->list.count());
+ QVarLengthArray<int, 32> poss(d->list.size());
+ QVarLengthArray<int, 32> ws(d->list.size());
bool upLeft;
d->doMove(false, pos, index, +1, (d->collapsible(s) && (pos > max)), poss.data(), ws.data());
d->doMove(true, pos, index - 1, +1, (d->collapsible(index - 1) && (pos < min)), poss.data(), ws.data());
upLeft = (pos < oldP);
- int wid, delta, count = d->list.count();
+ int wid, delta, count = d->list.size();
if (upLeft) {
wid = 0;
delta = 1;
@@ -1473,7 +1450,10 @@ void QSplitter::getRange(int index, int *min, int *max) const
int QSplitter::closestLegalPosition(int pos, int index)
{
Q_D(QSplitter);
- int x, i, n, u;
+ int x = 0;
+ int i = 0;
+ int n = 0;
+ int u = 0;
return d->adjustPos(pos, index, &u, &n, &i, &x);
}
@@ -1654,7 +1634,7 @@ void QSplitter::setHandleWidth(int width)
void QSplitter::changeEvent(QEvent *ev)
{
Q_D(QSplitter);
- if(ev->type() == QEvent::StyleChange)
+ if (ev->type() == QEvent::StyleChange)
d->updateHandles();
QFrame::changeEvent(ev);
}
@@ -1678,6 +1658,7 @@ QByteArray QSplitter::saveState() const
int version = 1;
QByteArray data;
QDataStream stream(&data, QIODevice::WriteOnly);
+ stream.setVersion(QDataStream::Qt_5_0);
stream << qint32(SplitterMagic);
stream << qint32(version);
@@ -1719,6 +1700,7 @@ bool QSplitter::restoreState(const QByteArray &state)
int version = 1;
QByteArray sd = state;
QDataStream stream(&sd, QIODevice::ReadOnly);
+ stream.setVersion(QDataStream::Qt_5_0);
QList<int> list;
bool b;
qint32 i;
@@ -1769,7 +1751,7 @@ bool QSplitter::restoreState(const QByteArray &state)
void QSplitter::setStretchFactor(int index, int stretch)
{
Q_D(QSplitter);
- if (index <= -1 || index >= d->list.count())
+ if (index <= -1 || index >= d->list.size())
return;
QWidget *widget = d->list.at(index)->widget;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-07 01:33:20 +0000