summaryrefslogtreecommitdiffstats
path: root/src/widgets/kernel/qwidget.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/widgets/kernel/qwidget.cpp')
-rw-r--r--src/widgets/kernel/qwidget.cpp95
1 files changed, 66 insertions, 29 deletions
diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp
index ffb4b1fef5..8a3fea9c8a 100644
--- a/src/widgets/kernel/qwidget.cpp
+++ b/src/widgets/kernel/qwidget.cpp
@@ -612,8 +612,9 @@ void QWidget::setAutoFillBackground(bool enabled)
steals the mouse events.
\li mouseDoubleClickEvent() is called when the user double-clicks in
the widget. If the user double-clicks, the widget receives a mouse
- press event, a mouse release event and finally this event instead
- of a second mouse press event. (Some mouse move events may also be
+ press event, a mouse release event, (a mouse click event,) a second
+ mouse press, this event and finally a second mouse release event.
+ (Some mouse move events may also be
received if the mouse is not held steady during this operation.) It
is \e{not possible} to distinguish a click from a double-click
until the second click arrives. (This is one reason why most GUI
@@ -2707,7 +2708,7 @@ Qt::WindowStates QWidget::windowState() const
The function sets the window state on child widgets similar to
setWindowState(). The difference is that the window state changed
event has the isOverride() flag set. It exists mainly to keep
- Q3Workspace working.
+ QWorkspace working.
*/
void QWidget::overrideWindowState(Qt::WindowStates newstate)
{
@@ -5874,9 +5875,10 @@ bool QWidget::hasFocus() const
If the window is not active, the widget will be given the focus when
the window becomes active.
- First, a focus out event is sent to the focus widget (if any) to
- tell it that it is about to lose the focus. Then a focus in event
- is sent to this widget to tell it that it just received the focus.
+ First, a focus about to change event is sent to the focus widget (if any) to
+ tell it that it is about to lose the focus. Then focus is changed, a
+ focus out event is sent to the previous focus item and a focus in event is sent
+ to the new item to tell it that it just received the focus.
(Nothing happens if the focus in and focus out widgets are the
same.)
@@ -5929,23 +5931,11 @@ void QWidget::setFocus(Qt::FocusReason reason)
}
#endif
- QWidget *w = f;
- if (isHidden()) {
- while (w && w->isHidden()) {
- w->d_func()->focus_child = f;
- w = w->isWindow() ? 0 : w->parentWidget();
- }
- } else {
- while (w) {
- w->d_func()->focus_child = f;
- w = w->isWindow() ? 0 : w->parentWidget();
- }
- }
-
#ifndef QT_NO_GRAPHICSVIEW
// Update proxy state
if (QWExtra *topData = window()->d_func()->extra) {
if (topData->proxyWidget && !topData->proxyWidget->hasFocus()) {
+ f->d_func()->updateFocusChild();
topData->proxyWidget->d_func()->focusFromWidgetToProxy = 1;
topData->proxyWidget->setFocus(reason);
topData->proxyWidget->d_func()->focusFromWidgetToProxy = 0;
@@ -5954,6 +5944,21 @@ void QWidget::setFocus(Qt::FocusReason reason)
#endif
if (f->isActiveWindow()) {
+ QWidget *prev = QApplicationPrivate::focus_widget;
+ if (prev) {
+ if (reason != Qt::PopupFocusReason && reason != Qt::MenuBarFocusReason
+ && prev->testAttribute(Qt::WA_InputMethodEnabled)) {
+ qApp->inputMethod()->reset();
+ }
+
+ if (reason != Qt::NoFocusReason) {
+ QFocusEvent focusAboutToChange(QEvent::FocusAboutToChange, reason);
+ QApplication::sendEvent(prev, &focusAboutToChange);
+ }
+ }
+
+ f->d_func()->updateFocusChild();
+
QApplicationPrivate::setFocusWidget(f, reason);
#ifndef QT_NO_ACCESSIBILITY
# ifdef Q_OS_WIN
@@ -5966,7 +5971,7 @@ void QWidget::setFocus(Qt::FocusReason reason)
if (!(f->inherits("QMenuBar") || f->inherits("QMenu") || f->inherits("QMenuItem")))
# endif
{
- QAccessibleEvent event(QAccessible::Focus, f);
+ QAccessibleEvent event(f, QAccessible::Focus);
QAccessible::updateAccessibility(&event);
}
#endif
@@ -5998,6 +6003,30 @@ void QWidget::setFocus(Qt::FocusReason reason)
}
}
#endif
+ } else {
+ f->d_func()->updateFocusChild();
+ }
+
+ if (QTLWExtra *extra = f->window()->d_func()->maybeTopData())
+ emit extra->window->focusObjectChanged(f);
+}
+
+// updates focus_child on parent widgets to point into this widget
+void QWidgetPrivate::updateFocusChild()
+{
+ Q_Q(QWidget);
+
+ QWidget *w = q;
+ if (q->isHidden()) {
+ while (w && w->isHidden()) {
+ w->d_func()->focus_child = q;
+ w = w->isWindow() ? 0 : w->parentWidget();
+ }
+ } else {
+ while (w) {
+ w->d_func()->focus_child = q;
+ w = w->isWindow() ? 0 : w->parentWidget();
+ }
}
}
@@ -6014,8 +6043,8 @@ void QWidget::setFocus(Qt::FocusReason reason)
Takes keyboard input focus from the widget.
If the widget has active focus, a \link focusOutEvent() focus out
- event\endlink is sent to this widget to tell it that it is about
- to lose the focus.
+ event\endlink is sent to this widget to tell it that it has
+ lost the focus.
This widget must enable focus setting in order to get the keyboard
input focus, i.e. it must call setFocusPolicy().
@@ -6026,6 +6055,14 @@ void QWidget::setFocus(Qt::FocusReason reason)
void QWidget::clearFocus()
{
+ if (hasFocus()) {
+ if (testAttribute(Qt::WA_InputMethodEnabled))
+ qApp->inputMethod()->reset();
+
+ QFocusEvent focusAboutToChange(QEvent::FocusAboutToChange);
+ QApplication::sendEvent(this, &focusAboutToChange);
+ }
+
QWidget *w = this;
while (w) {
if (w->d_func()->focus_child == this)
@@ -6048,7 +6085,7 @@ void QWidget::clearFocus()
#endif
{
#ifndef QT_NO_ACCESSIBILITY
- QAccessibleEvent event(QAccessible::Focus, this);
+ QAccessibleEvent event(this, QAccessible::Focus);
QAccessible::updateAccessibility(&event);
#endif
}
@@ -7056,7 +7093,7 @@ void QWidgetPrivate::show_helper()
#ifndef QT_NO_ACCESSIBILITY
if (q->windowType() != Qt::ToolTip) { // Tooltips are read aloud twice in MS narrator.
- QAccessibleEvent event(QAccessible::ObjectShow, q);
+ QAccessibleEvent event(q, QAccessible::ObjectShow);
QAccessible::updateAccessibility(&event);
}
#endif
@@ -7149,7 +7186,7 @@ void QWidgetPrivate::hide_helper()
#ifndef QT_NO_ACCESSIBILITY
if (wasVisible) {
- QAccessibleEvent event(QAccessible::ObjectHide, q);
+ QAccessibleEvent event(q, QAccessible::ObjectHide);
QAccessible::updateAccessibility(&event);
}
#endif
@@ -7383,7 +7420,7 @@ void QWidgetPrivate::hideChildren(bool spontaneous)
qApp->d_func()->sendSyntheticEnterLeave(widget);
#ifndef QT_NO_ACCESSIBILITY
if (!spontaneous) {
- QAccessibleEvent event(QAccessible::ObjectHide, widget);
+ QAccessibleEvent event(widget, QAccessible::ObjectHide);
QAccessible::updateAccessibility(&event);
}
#endif
@@ -8260,7 +8297,7 @@ void QWidget::changeEvent(QEvent * event)
#ifndef QT_NO_ACCESSIBILITY
QAccessible::State s;
s.disabled = true;
- QAccessibleStateChangeEvent event(s, this);
+ QAccessibleStateChangeEvent event(this, s);
QAccessible::updateAccessibility(&event);
#endif
break;
@@ -10403,7 +10440,7 @@ void QWidget::setAccessibleName(const QString &name)
{
Q_D(QWidget);
d->accessibleName = name;
- QAccessibleEvent event(QAccessible::NameChanged, this);
+ QAccessibleEvent event(this, QAccessible::NameChanged);
QAccessible::updateAccessibility(&event);
}
@@ -10426,7 +10463,7 @@ void QWidget::setAccessibleDescription(const QString &description)
{
Q_D(QWidget);
d->accessibleDescription = description;
- QAccessibleEvent event(QAccessible::DescriptionChanged, this);
+ QAccessibleEvent event(this, QAccessible::DescriptionChanged);
QAccessible::updateAccessibility(&event);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 12:49:27 +0000