summaryrefslogtreecommitdiffstats
path: root/src/widgets/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'src/widgets/kernel')
-rw-r--r--src/widgets/kernel/qaction.cpp5
-rw-r--r--src/widgets/kernel/qactiongroup.cpp96
-rw-r--r--src/widgets/kernel/qactiongroup.h11
-rw-r--r--src/widgets/kernel/qapplication.cpp59
-rw-r--r--src/widgets/kernel/qdesktopwidget.cpp12
-rw-r--r--src/widgets/kernel/qopenglwidget.cpp7
-rw-r--r--src/widgets/kernel/qwidget.cpp131
-rw-r--r--src/widgets/kernel/qwidget_p.h19
-rw-r--r--src/widgets/kernel/qwidgetwindow.cpp5
9 files changed, 216 insertions, 129 deletions
diff --git a/src/widgets/kernel/qaction.cpp b/src/widgets/kernel/qaction.cpp
index 1ca5514655..f6631199d6 100644
--- a/src/widgets/kernel/qaction.cpp
+++ b/src/widgets/kernel/qaction.cpp
@@ -1153,8 +1153,9 @@ void QAction::activate(ActionEvent event)
if(event == Trigger) {
QPointer<QObject> guard = this;
if(d->checkable) {
- // the checked action of an exclusive group cannot be unchecked
- if (d->checked && (d->group && d->group->isExclusive()
+ // the checked action of an exclusive group may not be unchecked
+ if (d->checked && (d->group
+ && d->group->exclusionPolicy() == QActionGroup::ExclusionPolicy::Exclusive
&& d->group->checkedAction() == this)) {
if (!guard.isNull())
emit triggered(true);
diff --git a/src/widgets/kernel/qactiongroup.cpp b/src/widgets/kernel/qactiongroup.cpp
index 4786437d7e..ab42b1c7aa 100644
--- a/src/widgets/kernel/qactiongroup.cpp
+++ b/src/widgets/kernel/qactiongroup.cpp
@@ -52,12 +52,16 @@ class QActionGroupPrivate : public QObjectPrivate
{
Q_DECLARE_PUBLIC(QActionGroup)
public:
- QActionGroupPrivate() : exclusive(1), enabled(1), visible(1) { }
+ QActionGroupPrivate() : enabled(1),
+ visible(1),
+ exclusionPolicy(QActionGroup::ExclusionPolicy::Exclusive)
+ {
+ }
QList<QAction *> actions;
QPointer<QAction> current;
- uint exclusive : 1;
uint enabled : 1;
uint visible : 1;
+ QActionGroup::ExclusionPolicy exclusionPolicy;
private:
void _q_actionTriggered(); //private slot
@@ -70,7 +74,7 @@ void QActionGroupPrivate::_q_actionChanged()
Q_Q(QActionGroup);
QAction *action = qobject_cast<QAction*>(q->sender());
Q_ASSERT_X(action != 0, "QWidgetGroup::_q_actionChanged", "internal error");
- if(exclusive) {
+ if (exclusionPolicy != QActionGroup::ExclusionPolicy::None) {
if (action->isChecked()) {
if (action != current) {
if(current)
@@ -127,12 +131,17 @@ void QActionGroupPrivate::_q_actionHovered()
actions is chosen. Each action in an action group emits its
triggered() signal as usual.
- As stated above, an action group is \l exclusive by default; it
- ensures that only one checkable action is active at any one time.
+ As stated above, an action group is exclusive by default; it
+ ensures that at most only one checkable action is active at any one time.
If you want to group checkable actions without making them
- exclusive, you can turn of exclusiveness by calling
+ exclusive, you can turn off exclusiveness by calling
setExclusive(false).
+ By default the active action of an exclusive group cannot be unchecked.
+ In some cases it may be useful to allow unchecking all the actions,
+ you can allow this by calling
+ setExclusionPolicy(QActionGroup::ExclusionPolicy::ExclusiveOptional).
+
Actions can be added to an action group using addAction(), but it
is usually more convenient to specify a group when creating
actions; this ensures that actions are automatically created with
@@ -146,10 +155,33 @@ void QActionGroupPrivate::_q_actionHovered()
*/
/*!
+ \enum QActionGroup::ExclusionPolicy
+
+ This enum specifies the different policies that can be used to
+ control how the group performs exclusive checking on checkable actions.
+
+ \value None
+ The actions in the group can be checked independently of each other.
+
+ \value Exclusive
+ Exactly one action can be checked at any one time.
+ This is the default policy.
+
+ \value ExclusiveOptional
+ At most one action can be checked at any one time. The actions
+ can also be all unchecked.
+
+ \sa exclusionPolicy
+ \since 5.14
+*/
+
+/*!
Constructs an action group for the \a parent object.
The action group is exclusive by default. Call setExclusive(false)
- to make the action group non-exclusive.
+ to make the action group non-exclusive. To make the group exclusive
+ but allow unchecking the active action call instead
+ setExclusionPolicy(QActionGroup::ExclusionPolicy::ExclusiveOptional)
*/
QActionGroup::QActionGroup(QObject* parent) : QObject(*new QActionGroupPrivate, parent)
{
@@ -258,26 +290,56 @@ QList<QAction*> QActionGroup::actions() const
}
/*!
- \property QActionGroup::exclusive
- \brief whether the action group does exclusive checking
+ \brief Enable or disable the group exclusion checking
- If exclusive is true, only one checkable action in the action group
- can ever be active at any time. If the user chooses another
- checkable action in the group, the one they chose becomes active and
- the one that was active becomes inactive.
+ This is a convenience method that calls
+ setExclusionPolicy(ExclusionPolicy::Exclusive).
- \sa QAction::checkable
+ \sa QActionGroup::exclusionPolicy
*/
void QActionGroup::setExclusive(bool b)
{
- Q_D(QActionGroup);
- d->exclusive = b;
+ setExclusionPolicy(b ? QActionGroup::ExclusionPolicy::Exclusive
+ : QActionGroup::ExclusionPolicy::None);
}
+/*!
+ \brief Returs true if the group is exclusive
+
+ The group is exclusive if the ExclusionPolicy is either Exclusive
+ or ExclusionOptional.
+
+*/
bool QActionGroup::isExclusive() const
{
+ return exclusionPolicy() != QActionGroup::ExclusionPolicy::None;
+}
+
+/*!
+ \property QActionGroup::exclusionPolicy
+ \brief This property holds the group exclusive checking policy
+
+ If exclusionPolicy is set to Exclusive, only one checkable
+ action in the action group can ever be active at any time. If the user
+ chooses another checkable action in the group, the one they chose becomes
+ active and the one that was active becomes inactive. If exclusionPolicy is
+ set to ExclusionOptional the group is exclusive but the active checkable
+ action in the group can be unchecked leaving the group with no actions
+ checked.
+
+ \sa QAction::checkable
+ \since 5.14
+*/
+void QActionGroup::setExclusionPolicy(QActionGroup::ExclusionPolicy policy)
+{
+ Q_D(QActionGroup);
+ d->exclusionPolicy = policy;
+}
+
+QActionGroup::ExclusionPolicy QActionGroup::exclusionPolicy() const
+{
Q_D(const QActionGroup);
- return d->exclusive;
+ return d->exclusionPolicy;
}
/*!
diff --git a/src/widgets/kernel/qactiongroup.h b/src/widgets/kernel/qactiongroup.h
index 61c90b911d..90f488bedb 100644
--- a/src/widgets/kernel/qactiongroup.h
+++ b/src/widgets/kernel/qactiongroup.h
@@ -55,11 +55,18 @@ class Q_WIDGETS_EXPORT QActionGroup : public QObject
Q_OBJECT
Q_DECLARE_PRIVATE(QActionGroup)
- Q_PROPERTY(bool exclusive READ isExclusive WRITE setExclusive)
+ Q_PROPERTY(QActionGroup::ExclusionPolicy exclusionPolicy READ exclusionPolicy WRITE setExclusionPolicy)
Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled)
Q_PROPERTY(bool visible READ isVisible WRITE setVisible)
public:
+ enum class ExclusionPolicy {
+ None,
+ Exclusive,
+ ExclusiveOptional
+ };
+ Q_ENUM(ExclusionPolicy)
+
explicit QActionGroup(QObject* parent);
~QActionGroup();
@@ -73,6 +80,7 @@ public:
bool isExclusive() const;
bool isEnabled() const;
bool isVisible() const;
+ ExclusionPolicy exclusionPolicy() const;
public Q_SLOTS:
@@ -80,6 +88,7 @@ public Q_SLOTS:
inline void setDisabled(bool b) { setEnabled(!b); }
void setVisible(bool);
void setExclusive(bool);
+ void setExclusionPolicy(ExclusionPolicy policy);
Q_SIGNALS:
void triggered(QAction *);
diff --git a/src/widgets/kernel/qapplication.cpp b/src/widgets/kernel/qapplication.cpp
index ba8878be57..526bf0a0ff 100644
--- a/src/widgets/kernel/qapplication.cpp
+++ b/src/widgets/kernel/qapplication.cpp
@@ -381,8 +381,6 @@ QWidget *QApplication::topLevelAt(const QPoint &pos)
0 if there is no such widget.
*/
-void qt_init(QApplicationPrivate *priv, int type
- );
void qt_init_tooltip_palette();
void qt_cleanup();
@@ -428,16 +426,10 @@ bool Q_WIDGETS_EXPORT qt_tab_all_widgets()
// ######## move to QApplicationPrivate
// Default application palettes and fonts (per widget type)
Q_GLOBAL_STATIC(PaletteHash, app_palettes)
-PaletteHash *qt_app_palettes_hash()
-{
- return app_palettes();
-}
-
Q_GLOBAL_STATIC(FontHash, app_fonts)
-FontHash *qt_app_fonts_hash()
-{
- return app_fonts();
-}
+// Exported accessors for use outside of this file
+PaletteHash *qt_app_palettes_hash() { return app_palettes(); }
+FontHash *qt_app_fonts_hash() { return app_fonts(); }
QWidgetList *QApplicationPrivate::popupWidgets = 0; // has keyboard input focus
@@ -571,7 +563,10 @@ void QApplicationPrivate::init()
process_cmdline();
// Must be called before initialize()
- qt_init(this, application_type);
+ QColormap::initialize();
+ qt_init_tooltip_palette();
+ QApplicationPrivate::initializeWidgetFontHash();
+
initialize();
eventDispatcher->startingUp();
@@ -582,18 +577,6 @@ void QApplicationPrivate::init()
}
-void qt_init(QApplicationPrivate *priv, int type)
-{
- Q_UNUSED(priv);
- Q_UNUSED(type);
-
- QColormap::initialize();
-
- qt_init_tooltip_palette();
-
- QApplicationPrivate::initializeWidgetFontHash();
-}
-
void qt_init_tooltip_palette()
{
#ifndef QT_NO_TOOLTIP
@@ -659,7 +642,7 @@ void QApplicationPrivate::initializeWidgetPaletteHash()
QPlatformTheme *platformTheme = QGuiApplicationPrivate::platformTheme();
if (!platformTheme)
return;
- qt_app_palettes_hash()->clear();
+ app_palettes()->clear();
setPossiblePalette(platformTheme->palette(QPlatformTheme::ToolButtonPalette), "QToolButton");
setPossiblePalette(platformTheme->palette(QPlatformTheme::ButtonPalette), "QAbstractButton");
@@ -683,7 +666,7 @@ void QApplicationPrivate::initializeWidgetFontHash()
const QPlatformTheme *theme = QGuiApplicationPrivate::platformTheme();
if (!theme)
return;
- FontHash *fontHash = qt_app_fonts_hash();
+ FontHash *fontHash = app_fonts();
fontHash->clear();
if (const QFont *font = theme->font(QPlatformTheme::MenuFont))
@@ -1162,9 +1145,7 @@ void QApplication::setStyle(QStyle *style)
} else if (QApplicationPrivate::sys_pal) {
clearSystemPalette();
initSystemPalette();
- QApplicationPrivate::initializeWidgetPaletteHash();
QApplicationPrivate::initializeWidgetFontHash();
- QApplicationPrivate::setPalette_helper(*QApplicationPrivate::sys_pal, /*className=*/0, /*clearWidgetPaletteHash=*/false);
} else if (!QApplicationPrivate::sys_pal) {
// Initialize the sys_pal if it hasn't happened yet...
QApplicationPrivate::setSystemPalette(QApplicationPrivate::app_style->standardPalette());
@@ -1462,28 +1443,10 @@ void QApplication::setPalette(const QPalette &palette, const char* className)
void QApplicationPrivate::setSystemPalette(const QPalette &pal)
{
- QPalette adjusted;
-
-#if 0
- // adjust the system palette to avoid dithering
- QColormap cmap = QColormap::instance();
- if (cmap.depths() > 4 && cmap.depths() < 24) {
- for (int g = 0; g < QPalette::NColorGroups; g++)
- for (int i = 0; i < QPalette::NColorRoles; i++) {
- QColor color = pal.color((QPalette::ColorGroup)g, (QPalette::ColorRole)i);
- color = cmap.colorAt(cmap.pixel(color));
- adjusted.setColor((QPalette::ColorGroup)g, (QPalette::ColorRole) i, color);
- }
- }
-#else
- adjusted = pal;
-#endif
-
if (!sys_pal)
- sys_pal = new QPalette(adjusted);
+ sys_pal = new QPalette(pal);
else
- *sys_pal = adjusted;
-
+ *sys_pal = pal;
if (!QApplicationPrivate::set_pal)
QApplication::setPalette(*sys_pal);
diff --git a/src/widgets/kernel/qdesktopwidget.cpp b/src/widgets/kernel/qdesktopwidget.cpp
index d17c7eb36c..ac0cfcf2f5 100644
--- a/src/widgets/kernel/qdesktopwidget.cpp
+++ b/src/widgets/kernel/qdesktopwidget.cpp
@@ -321,20 +321,12 @@ int QDesktopWidgetPrivate::screenNumber(const QWidget *w)
if (screens.isEmpty()) // This should never happen
return primaryScreen();
- const QWindow *winHandle = w->windowHandle();
- if (!winHandle) {
- if (const QWidget *nativeParent = w->nativeParentWidget())
- winHandle = nativeParent->windowHandle();
- }
-
// If there is more than one virtual desktop
if (screens.count() != screens.constFirst()->virtualSiblings().count()) {
// Find the root widget, get a QScreen from it and use the
// virtual siblings for checking the window position.
- if (winHandle) {
- if (const QScreen *winScreen = winHandle->screen())
- screens = winScreen->virtualSiblings();
- }
+ if (const QScreen *winScreen = qt_widget_private(const_cast<QWidget *>(w))->associatedScreen())
+ screens = winScreen->virtualSiblings();
}
// Get the screen number from window position using screen geometry
diff --git a/src/widgets/kernel/qopenglwidget.cpp b/src/widgets/kernel/qopenglwidget.cpp
index 374ea53726..ae7729b49b 100644
--- a/src/widgets/kernel/qopenglwidget.cpp
+++ b/src/widgets/kernel/qopenglwidget.cpp
@@ -1333,11 +1333,8 @@ int QOpenGLWidget::metric(QPaintDevice::PaintDeviceMetric metric) const
if (d->inBackingStorePaint)
return QWidget::metric(metric);
- QWidget *tlw = window();
- QWindow *window = tlw ? tlw->windowHandle() : 0;
- QScreen *screen = tlw && tlw->windowHandle() ? tlw->windowHandle()->screen() : 0;
- if (!screen && QGuiApplication::primaryScreen())
- screen = QGuiApplication::primaryScreen();
+ auto window = d->windowHandle(QWidgetPrivate::WindowHandleMode::TopLevel);
+ QScreen *screen = window ? window->screen() : QGuiApplication::primaryScreen();
const float dpmx = qt_defaultDpiX() * 100. / 2.54;
const float dpmy = qt_defaultDpiY() * 100. / 2.54;
diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp
index 8f927e8bee..2176c612d0 100644
--- a/src/widgets/kernel/qwidget.cpp
+++ b/src/widgets/kernel/qwidget.cpp
@@ -1,4 +1,4 @@
-/****************************************************************************
+/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Copyright (C) 2016 Intel Corporation.
@@ -79,6 +79,7 @@
#include "private/qstylesheetstyle_p.h"
#include "private/qstyle_p.h"
#include "qfileinfo.h"
+#include "qscopeguard.h"
#include <QtGui/private/qhighdpiscaling_p.h>
#include <QtGui/qinputmethod.h>
#include <QtGui/qopenglcontext.h>
@@ -1123,6 +1124,8 @@ void QWidgetPrivate::adjustFlags(Qt::WindowFlags &flags, QWidget *w)
void QWidgetPrivate::init(QWidget *parentWidget, Qt::WindowFlags f)
{
Q_Q(QWidget);
+ Q_ASSERT_X(q != parentWidget, Q_FUNC_INFO, "Cannot parent a QWidget to itself");
+
if (Q_UNLIKELY(!qobject_cast<QApplication *>(QCoreApplication::instance())))
qFatal("QWidget: Cannot create a QWidget without QApplication");
@@ -1249,6 +1252,33 @@ void QWidgetPrivate::createRecursively()
}
}
+QWindow *QWidgetPrivate::windowHandle(WindowHandleMode mode) const
+{
+ if (mode == WindowHandleMode::Direct || mode == WindowHandleMode::Closest) {
+ if (QTLWExtra *x = maybeTopData())
+ return x->window;
+ }
+ if (mode == WindowHandleMode::Closest) {
+ if (auto nativeParent = q_func()->nativeParentWidget()) {
+ if (auto window = nativeParent->windowHandle())
+ return window;
+ }
+ }
+ if (mode == WindowHandleMode::TopLevel || mode == WindowHandleMode::Closest) {
+ if (auto topLevel = q_func()->topLevelWidget()) {
+ if (auto window = topLevel ->windowHandle())
+ return window;
+ }
+ }
+ return nullptr;
+}
+
+QScreen *QWidgetPrivate::associatedScreen() const
+{
+ if (auto window = windowHandle(WindowHandleMode::Closest))
+ return window->screen();
+ return nullptr;
+}
// ### fixme: Qt 6: Remove parameter window from QWidget::create()
@@ -2587,14 +2617,27 @@ bool QWidgetPrivate::setScreenForPoint(const QPoint &pos)
Q_Q(QWidget);
if (!q->isWindow())
return false;
- // Find the screen for pos and make the widget undertand it is on that screen.
+ // Find the screen for pos and make the widget understand it is on that screen.
+ return setScreen(QGuiApplication::screenAt(pos));
+}
+
+/*!
+\internal
+Ensures that the widget's QWindow is set to be on the given \a screen.
+Returns true if the screen was changed.
+*/
+
+bool QWidgetPrivate::setScreen(QScreen *screen)
+{
+ Q_Q(QWidget);
+ if (!screen || !q->isWindow())
+ return false;
const QScreen *currentScreen = windowHandle() ? windowHandle()->screen() : nullptr;
- QScreen *actualScreen = QGuiApplication::screenAt(pos);
- if (actualScreen && currentScreen != actualScreen) {
+ if (currentScreen != screen) {
if (!windowHandle()) // Try to create a window handle if not created.
createWinId();
if (windowHandle())
- windowHandle()->setScreen(actualScreen);
+ windowHandle()->setScreen(screen);
return true;
}
return false;
@@ -6995,37 +7038,41 @@ void QWidget::setTabOrder(QWidget* first, QWidget *second)
lastFocusChild = focusNext;
}
};
+ auto setPrev = [](QWidget *w, QWidget *prev)
+ {
+ w->d_func()->focus_prev = prev;
+ };
+ auto setNext = [](QWidget *w, QWidget *next)
+ {
+ w->d_func()->focus_next = next;
+ };
- QWidget *lastFocusChildOfFirst, *lastFocusChildOfSecond;
- determineLastFocusChild(first, lastFocusChildOfFirst);
+ // remove the second widget from the chain
+ QWidget *lastFocusChildOfSecond;
determineLastFocusChild(second, lastFocusChildOfSecond);
-
- // If the tab order is already correct, exit early
- if (lastFocusChildOfFirst == second ||
- lastFocusChildOfFirst->d_func()->focus_next == second) {
- return;
+ {
+ QWidget *oldPrev = second->d_func()->focus_prev;
+ QWidget *prevWithFocus = oldPrev;
+ while (prevWithFocus->focusPolicy() == Qt::NoFocus)
+ prevWithFocus = prevWithFocus->d_func()->focus_prev;
+ // only widgets between first and second -> all is fine
+ if (prevWithFocus == first)
+ return;
+ QWidget *oldNext = lastFocusChildOfSecond->d_func()->focus_next;
+ setPrev(oldNext, oldPrev);
+ setNext(oldPrev, oldNext);
}
- // Note that we need to handle two different sections in the tab chain; The section
- // that 'first' belongs to (firstSection), where we are about to insert 'second', and
- // the section that 'second' used be a part of (secondSection). When we pull 'second'
- // out of the second section and insert it into the first, we also need to ensure
- // that we leave the second section in a connected state.
- QWidget *firstChainOldSecond = lastFocusChildOfFirst->d_func()->focus_next;
- QWidget *secondChainNewFirst = second->d_func()->focus_prev;
- QWidget *secondChainNewSecond = lastFocusChildOfSecond->d_func()->focus_next;
-
- // Insert 'second' after 'first'
- lastFocusChildOfFirst->d_func()->focus_next = second;
- second->d_func()->focus_prev = lastFocusChildOfFirst;
-
- // The widget that used to be 'second' in the first section, should now become 'third'
- lastFocusChildOfSecond->d_func()->focus_next = firstChainOldSecond;
- firstChainOldSecond->d_func()->focus_prev = lastFocusChildOfSecond;
-
- // Repair the second section after we pulled 'second' out of it
- secondChainNewFirst->d_func()->focus_next = secondChainNewSecond;
- secondChainNewSecond->d_func()->focus_prev = secondChainNewFirst;
+ // insert the second widget into the chain
+ QWidget *lastFocusChildOfFirst;
+ determineLastFocusChild(first, lastFocusChildOfFirst);
+ {
+ QWidget *oldNext = lastFocusChildOfFirst->d_func()->focus_next;
+ setPrev(second, lastFocusChildOfFirst);
+ setNext(lastFocusChildOfFirst, second);
+ setPrev(oldNext, lastFocusChildOfSecond);
+ setNext(lastFocusChildOfSecond, oldNext);
+ }
}
/*!\internal
@@ -8100,7 +8147,7 @@ void QWidgetPrivate::show_sys()
{
Q_Q(QWidget);
- QWidgetWindow *window = windowHandle();
+ auto window = qobject_cast<QWidgetWindow *>(windowHandle());
if (q->testAttribute(Qt::WA_DontShowOnScreen)) {
invalidateBackingStore(q->rect());
@@ -8239,7 +8286,7 @@ void QWidgetPrivate::hide_sys()
{
Q_Q(QWidget);
- QWidgetWindow *window = windowHandle();
+ auto window = qobject_cast<QWidgetWindow *>(windowHandle());
if (q->testAttribute(Qt::WA_DontShowOnScreen)) {
q->setAttribute(Qt::WA_Mapped, false);
@@ -10677,6 +10724,22 @@ static void sendWindowChangeToTextureChildrenRecursively(QWidget *widget)
void QWidget::setParent(QWidget *parent, Qt::WindowFlags f)
{
Q_D(QWidget);
+ Q_ASSERT_X(this != parent, Q_FUNC_INFO, "Cannot parent a QWidget to itself");
+#ifdef QT_DEBUG
+ const auto checkForParentChildLoops = qScopeGuard([&](){
+ int depth = 0;
+ auto p = parentWidget();
+ while (p) {
+ if (++depth == QObjectPrivate::CheckForParentChildLoopsWarnDepth) {
+ qWarning("QWidget %p (class: '%s', object name: '%s') may have a loop in its parent-child chain; "
+ "this is undefined behavior",
+ this, metaObject()->className(), qPrintable(objectName()));
+ }
+ p = p->parentWidget();
+ }
+ });
+#endif
+
bool resized = testAttribute(Qt::WA_Resized);
bool wasCreated = testAttribute(Qt::WA_WState_Created);
QWidget *oldtlw = window();
diff --git a/src/widgets/kernel/qwidget_p.h b/src/widgets/kernel/qwidget_p.h
index c073b8fb03..99ec38e050 100644
--- a/src/widgets/kernel/qwidget_p.h
+++ b/src/widgets/kernel/qwidget_p.h
@@ -181,6 +181,7 @@ struct QTLWExtra {
QRect frameStrut;
QRect normalGeometry; // used by showMin/maximized/FullScreen
Qt::WindowFlags savedFlags; // Save widget flags while showing fullscreen
+ // ### TODO replace initialScreenIndex with QScreen *, in case the screens change at runtime
int initialScreenIndex; // Screen number when passing a QDesktop[Screen]Widget as parent.
QVector<QPlatformTextureList *> widgetTextures;
@@ -342,7 +343,15 @@ public:
QPainter *sharedPainter() const;
void setSharedPainter(QPainter *painter);
QWidgetBackingStore *maybeBackingStore() const;
- QWidgetWindow *windowHandle() const;
+
+ enum class WindowHandleMode {
+ Direct,
+ Closest,
+ TopLevel
+ };
+ QWindow *windowHandle(WindowHandleMode mode = WindowHandleMode::Direct) const;
+
+ QScreen *associatedScreen() const;
template <typename T>
void repaint(T t);
@@ -356,6 +365,7 @@ public:
void createWinId();
bool setScreenForPoint(const QPoint &pos);
+ bool setScreen(QScreen *screen);
void createTLExtra();
void createExtra();
@@ -1014,13 +1024,6 @@ inline QWidgetBackingStore *QWidgetPrivate::maybeBackingStore() const
return x ? x->backingStoreTracker.data() : nullptr;
}
-inline QWidgetWindow *QWidgetPrivate::windowHandle() const
-{
- if (QTLWExtra *x = maybeTopData())
- return x->window;
- return nullptr;
-}
-
QT_END_NAMESPACE
#endif // QWIDGET_P_H
diff --git a/src/widgets/kernel/qwidgetwindow.cpp b/src/widgets/kernel/qwidgetwindow.cpp
index 70b305326c..a5d9eee49d 100644
--- a/src/widgets/kernel/qwidgetwindow.cpp
+++ b/src/widgets/kernel/qwidgetwindow.cpp
@@ -592,10 +592,7 @@ void QWidgetWindow::handleMouseEvent(QMouseEvent *event)
w->window()->raise();
}
- QWindow *win = w->windowHandle();
- if (!win)
- win = w->nativeParentWidget()->windowHandle();
- if (win) {
+ if (auto win = qt_widget_private(w)->windowHandle(QWidgetPrivate::WindowHandleMode::Closest)) {
const QRect globalGeometry = win->isTopLevel()
? win->geometry()
: QRect(win->mapToGlobal(QPoint(0, 0)), win->size());