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-rw-r--r--src/widgets/widgets/qdockwidget.cpp91
1 files changed, 47 insertions, 44 deletions
diff --git a/src/widgets/widgets/qdockwidget.cpp b/src/widgets/widgets/qdockwidget.cpp
index 05ec3aface..299e5da8d3 100644
--- a/src/widgets/widgets/qdockwidget.cpp
+++ b/src/widgets/widgets/qdockwidget.cpp
@@ -197,7 +197,7 @@ QSize QDockWidgetTitleButton::sizeHint() const
{
ensurePolished();
- int size = 2*style()->pixelMetric(QStyle::PM_DockWidgetTitleBarButtonMargin, 0, this);
+ int size = 2*style()->pixelMetric(QStyle::PM_DockWidgetTitleBarButtonMargin, nullptr, this);
if (!icon().isNull()) {
const QSize sz = icon().actualSize(dockButtonIconSize());
size += qMax(sz.width(), sz.height());
@@ -226,7 +226,7 @@ void QDockWidgetTitleButton::paintEvent(QPaintEvent *)
opt.init(this);
opt.state |= QStyle::State_AutoRaise;
- if (style()->styleHint(QStyle::SH_DockWidget_ButtonsHaveFrame, 0, this))
+ if (style()->styleHint(QStyle::SH_DockWidget_ButtonsHaveFrame, nullptr, this))
{
if (isEnabled() && underMouse() && !isChecked() && !isDown())
opt.state |= QStyle::State_Raised;
@@ -238,8 +238,8 @@ void QDockWidgetTitleButton::paintEvent(QPaintEvent *)
}
opt.icon = icon();
- opt.subControls = 0;
- opt.activeSubControls = 0;
+ opt.subControls = { };
+ opt.activeSubControls = { };
opt.features = QStyleOptionToolButton::None;
opt.arrowType = Qt::NoArrow;
opt.iconSize = dockButtonIconSize();
@@ -311,12 +311,12 @@ QLayoutItem *QDockWidgetLayout::itemAt(int index) const
int cnt = 0;
for (int i = 0; i < item_list.count(); ++i) {
QLayoutItem *item = item_list.at(i);
- if (item == 0)
+ if (item == nullptr)
continue;
if (index == cnt++)
return item;
}
- return 0;
+ return nullptr;
}
QLayoutItem *QDockWidgetLayout::takeAt(int index)
@@ -324,7 +324,7 @@ QLayoutItem *QDockWidgetLayout::takeAt(int index)
int j = 0;
for (int i = 0; i < item_list.count(); ++i) {
QLayoutItem *item = item_list.at(i);
- if (item == 0)
+ if (item == nullptr)
continue;
if (index == j) {
item_list[i] = 0;
@@ -333,7 +333,7 @@ QLayoutItem *QDockWidgetLayout::takeAt(int index)
}
++j;
}
- return 0;
+ return nullptr;
}
int QDockWidgetLayout::count() const
@@ -362,7 +362,7 @@ QSize QDockWidgetLayout::sizeFromContent(const QSize &content, bool floating) co
const bool nativeDeco = nativeWindowDeco(floating);
int fw = floating && !nativeDeco
- ? w->style()->pixelMetric(QStyle::PM_DockWidgetFrameWidth, 0, w)
+ ? w->style()->pixelMetric(QStyle::PM_DockWidgetFrameWidth, nullptr, w)
: 0;
const int th = titleHeight();
@@ -394,7 +394,7 @@ QSize QDockWidgetLayout::sizeFromContent(const QSize &content, bool floating) co
uint explicitMin = 0;
uint explicitMax = 0;
- if (w->d_func()->extra != 0) {
+ if (w->d_func()->extra != nullptr) {
explicitMin = w->d_func()->extra->explicitMinSize;
explicitMax = w->d_func()->extra->explicitMaxSize;
}
@@ -448,7 +448,7 @@ QSize QDockWidgetLayout::minimumSize() const
QWidget *QDockWidgetLayout::widgetForRole(Role r) const
{
QLayoutItem *item = item_list.at(r);
- return item == 0 ? 0 : item->widget();
+ return item == nullptr ? nullptr : item->widget();
}
QLayoutItem *QDockWidgetLayout::itemForRole(Role r) const
@@ -459,12 +459,12 @@ QLayoutItem *QDockWidgetLayout::itemForRole(Role r) const
void QDockWidgetLayout::setWidgetForRole(Role r, QWidget *w)
{
QWidget *old = widgetForRole(r);
- if (old != 0) {
+ if (old != nullptr) {
old->hide();
removeWidget(old);
}
- if (w != 0) {
+ if (w != nullptr) {
addChildWidget(w);
item_list[r] = new QWidgetItemV2(w);
w->show();
@@ -505,8 +505,8 @@ int QDockWidgetLayout::minimumTitleWidth() const
int titleHeight = this->titleHeight();
- int mw = q->style()->pixelMetric(QStyle::PM_DockWidgetTitleMargin, 0, q);
- int fw = q->style()->pixelMetric(QStyle::PM_DockWidgetFrameWidth, 0, q);
+ int mw = q->style()->pixelMetric(QStyle::PM_DockWidgetTitleMargin, nullptr, q);
+ int fw = q->style()->pixelMetric(QStyle::PM_DockWidgetFrameWidth, nullptr, q);
return pick(verticalTitleBar, closeSize)
+ pick(verticalTitleBar, floatSize)
@@ -531,7 +531,7 @@ int QDockWidgetLayout::titleHeight() const
perp(verticalTitleBar, floatSize));
QFontMetrics titleFontMetrics = q->fontMetrics();
- int mw = q->style()->pixelMetric(QStyle::PM_DockWidgetTitleMargin, 0, q);
+ int mw = q->style()->pixelMetric(QStyle::PM_DockWidgetTitleMargin, nullptr, q);
return qMax(buttonHeight + 2, titleFontMetrics.height() + 2*mw);
}
@@ -543,7 +543,7 @@ void QDockWidgetLayout::setGeometry(const QRect &geometry)
bool nativeDeco = nativeWindowDeco();
int fw = q->isFloating() && !nativeDeco
- ? q->style()->pixelMetric(QStyle::PM_DockWidgetFrameWidth, 0, q)
+ ? q->style()->pixelMetric(QStyle::PM_DockWidgetFrameWidth, nullptr, q)
: 0;
if (nativeDeco) {
@@ -730,7 +730,7 @@ void QDockWidgetPrivate::updateButtons()
QStyleOptionDockWidget opt;
q->initStyleOption(&opt);
- bool customTitleBar = dwLayout->widgetForRole(QDockWidgetLayout::TitleBar) != 0;
+ bool customTitleBar = dwLayout->widgetForRole(QDockWidgetLayout::TitleBar) != nullptr;
bool nativeDeco = dwLayout->nativeWindowDeco();
bool hideButtons = nativeDeco || customTitleBar;
@@ -777,18 +777,18 @@ void QDockWidgetPrivate::initDrag(const QPoint &pos, bool nca)
{
Q_Q(QDockWidget);
- if (state != 0)
+ if (state != nullptr)
return;
QMainWindowLayout *layout = qt_mainwindow_layout_from_dock(q);
- Q_ASSERT(layout != 0);
- if (layout->pluggingWidget != 0) // the main window is animating a docking operation
+ Q_ASSERT(layout != nullptr);
+ if (layout->pluggingWidget != nullptr) // the main window is animating a docking operation
return;
state = new QDockWidgetPrivate::DragState;
state->pressPos = pos;
state->dragging = false;
- state->widgetItem = 0;
+ state->widgetItem = nullptr;
state->ownWidgetItem = false;
state->nca = nca;
state->ctrlDrag = false;
@@ -804,14 +804,14 @@ void QDockWidgetPrivate::startDrag(bool group)
{
Q_Q(QDockWidget);
- if (state == 0 || state->dragging)
+ if (state == nullptr || state->dragging)
return;
QMainWindowLayout *layout = qt_mainwindow_layout_from_dock(q);
- Q_ASSERT(layout != 0);
+ Q_ASSERT(layout != nullptr);
state->widgetItem = layout->unplug(q, group);
- if (state->widgetItem == 0) {
+ if (state->widgetItem == nullptr) {
/* I have a QMainWindow parent, but I was never inserted with
QMainWindow::addDockWidget, so the QMainWindowLayout has no
widget item for me. :( I have to create it myself, and then
@@ -838,7 +838,7 @@ void QDockWidgetPrivate::startDrag(bool group)
void QDockWidgetPrivate::endDrag(bool abort)
{
Q_Q(QDockWidget);
- Q_ASSERT(state != 0);
+ Q_ASSERT(state != nullptr);
q->releaseMouse();
@@ -881,7 +881,7 @@ void QDockWidgetPrivate::endDrag(bool abort)
}
}
delete state;
- state = 0;
+ state = nullptr;
}
void QDockWidgetPrivate::setResizerActive(bool active)
@@ -900,7 +900,7 @@ bool QDockWidgetPrivate::isAnimating() const
Q_Q(const QDockWidget);
QMainWindowLayout *mainWinLayout = qt_mainwindow_layout_from_dock(q);
- if (mainWinLayout == 0)
+ if (mainWinLayout == nullptr)
return false;
return (const void*)mainWinLayout->pluggingWidget == (const void*)q;
@@ -925,7 +925,7 @@ bool QDockWidgetPrivate::mousePressEvent(QMouseEvent *event)
// is not (but allow moving if the window is floating)
(!hasFeature(this, QDockWidget::DockWidgetMovable) && !q->isFloating()) ||
(qobject_cast<QMainWindow*>(parent) == 0 && !floatingTab) ||
- isAnimating() || state != 0) {
+ isAnimating() || state != nullptr) {
return false;
}
@@ -972,7 +972,7 @@ bool QDockWidgetPrivate::mouseMoveEvent(QMouseEvent *event)
QMainWindowLayout *mwlayout = qt_mainwindow_layout_from_dock(q);
if (!dwlayout->nativeWindowDeco()) {
if (!state->dragging
- && mwlayout->pluggingWidget == 0
+ && mwlayout->pluggingWidget == nullptr
&& (event->pos() - state->pressPos).manhattanLength()
> QApplication::startDragDistance()) {
startDrag();
@@ -1019,7 +1019,7 @@ void QDockWidgetPrivate::nonClientAreaMouseEvent(QMouseEvent *event)
{
Q_Q(QDockWidget);
- int fw = q->style()->pixelMetric(QStyle::PM_DockWidgetFrameWidth, 0, q);
+ int fw = q->style()->pixelMetric(QStyle::PM_DockWidgetFrameWidth, nullptr, q);
QWidget *tl = q->topLevelWidget();
QRect geo = tl->geometry();
@@ -1035,21 +1035,21 @@ void QDockWidgetPrivate::nonClientAreaMouseEvent(QMouseEvent *event)
case QEvent::NonClientAreaMouseButtonPress:
if (!titleRect.contains(event->globalPos()))
break;
- if (state != 0)
+ if (state != nullptr)
break;
if (qobject_cast<QMainWindow*>(parent) == 0 && qobject_cast<QDockWidgetGroupWindow*>(parent) == 0)
break;
if (isAnimating())
break;
initDrag(event->pos(), true);
- if (state == 0)
+ if (state == nullptr)
break;
state->ctrlDrag = (event->modifiers() & Qt::ControlModifier) ||
(!hasFeature(this, QDockWidget::DockWidgetMovable) && q->isFloating());
startDrag();
break;
case QEvent::NonClientAreaMouseMove:
- if (state == 0 || !state->dragging)
+ if (state == nullptr || !state->dragging)
break;
#ifndef Q_OS_MAC
@@ -1085,7 +1085,7 @@ void QDockWidgetPrivate::moveEvent(QMoveEvent *event)
{
Q_Q(QDockWidget);
- if (state == 0 || !state->dragging || !state->nca)
+ if (state == nullptr || !state->dragging || !state->nca)
return;
if (!q->isWindow() && qobject_cast<QDockWidgetGroupWindow*>(parent) == 0)
@@ -1098,7 +1098,7 @@ void QDockWidgetPrivate::moveEvent(QMoveEvent *event)
return;
QMainWindowLayout *layout = qt_mainwindow_layout_from_dock(q);
- Q_ASSERT(layout != 0);
+ Q_ASSERT(layout != nullptr);
QPoint globalMousePos = event->pos() + state->pressPos;
layout->hover(state->widgetItem, globalMousePos);
@@ -1384,7 +1384,7 @@ void QDockWidget::setFloating(bool floating)
Q_D(QDockWidget);
// the initial click of a double-click may have started a drag...
- if (d->state != 0)
+ if (d->state != nullptr)
d->endDrag(true);
QRect r = d->undockedGeometry;
@@ -1479,7 +1479,7 @@ void QDockWidget::paintEvent(QPaintEvent *event)
QDockWidgetLayout *layout
= qobject_cast<QDockWidgetLayout*>(this->layout());
- bool customTitleBar = layout->widgetForRole(QDockWidgetLayout::TitleBar) != 0;
+ bool customTitleBar = layout->widgetForRole(QDockWidgetLayout::TitleBar) != nullptr;
bool nativeDeco = layout->nativeWindowDeco();
if (!nativeDeco && !customTitleBar) {
@@ -1516,7 +1516,7 @@ bool QDockWidget::event(QEvent *event)
switch (event->type()) {
#ifndef QT_NO_ACTION
case QEvent::Hide:
- if (layout != 0)
+ if (layout != nullptr)
layout->keepSize(this);
d->toggleViewAction->setChecked(false);
emit visibilityChanged(false);
@@ -1542,12 +1542,12 @@ bool QDockWidget::event(QEvent *event)
break;
case QEvent::ZOrderChange: {
bool onTop = false;
- if (win != 0) {
+ if (win != nullptr) {
const QObjectList &siblings = win->children();
onTop = siblings.count() > 0 && siblings.last() == (QObject*)this;
}
#if QT_CONFIG(tabbar)
- if (!isFloating() && layout != 0 && onTop)
+ if (!isFloating() && layout != nullptr && onTop)
layout->raise(this);
#endif
break;
@@ -1591,7 +1591,7 @@ bool QDockWidget::event(QEvent *event)
break;
case QEvent::Resize:
// if the mainwindow is plugging us, we don't want to update undocked geometry
- if (isFloating() && layout != 0 && layout->pluggingWidget != this)
+ if (isFloating() && layout != nullptr && layout->pluggingWidget != this)
d->undockedGeometry = geometry();
// Usually the window won't get resized while it's being moved, but it can happen,
@@ -1609,11 +1609,14 @@ bool QDockWidget::event(QEvent *event)
#ifndef QT_NO_ACTION
/*!
- Returns a checkable action that can be used to show or close this
- dock widget.
+ Returns a checkable action that can be added to menus and toolbars so that
+ the user can show or close this dock widget.
The action's text is set to the dock widget's window title.
+ \note The action can not be used to programmatically show or hide the dock
+ widget. Use the \l visible property for that.
+
\sa QAction::text, QWidget::windowTitle
*/
QAction * QDockWidget::toggleViewAction() const
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 03:32:43 +0000