diff options
Diffstat (limited to 'src/quicktemplates2/qquickcontrol.cpp')
| -rw-r--r-- | src/quicktemplates2/qquickcontrol.cpp | 1226 |
1 files changed, 1226 insertions, 0 deletions
diff --git a/src/quicktemplates2/qquickcontrol.cpp b/src/quicktemplates2/qquickcontrol.cpp new file mode 100644 index 00000000..cb891ee9 --- /dev/null +++ b/src/quicktemplates2/qquickcontrol.cpp @@ -0,0 +1,1226 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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. +** +** 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.LGPLv3 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.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 later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qquickcontrol_p.h" +#include "qquickcontrol_p_p.h" + +#include <QtGui/qstylehints.h> +#include <QtGui/qguiapplication.h> +#include "qquicklabel_p.h" +#include "qquicklabel_p_p.h" +#include "qquicktextarea_p.h" +#include "qquicktextarea_p_p.h" +#include "qquicktextfield_p.h" +#include "qquicktextfield_p_p.h" +#include "qquickpopup_p.h" +#include "qquickpopup_p_p.h" +#include "qquickapplicationwindow_p.h" + +#include <QtGui/private/qguiapplication_p.h> +#include <QtGui/qpa/qplatformtheme.h> + +#ifndef QT_NO_ACCESSIBILITY +#include <QtQuick/private/qquickaccessibleattached_p.h> +#endif + +QT_BEGIN_NAMESPACE + +/*! + \qmltype Control + \inherits Item + \instantiates QQuickControl + \inqmlmodule QtQuick.Controls + \since 5.7 + \brief Abstract base type providing functionality common to all controls. + + Control is the base type of user interface controls. It receives input + events from the window system, and paints a representation of itself on + the screen. + + \section1 Control Layout + + The following diagram illustrates the layout of a typical control: + + \image qtquickcontrols2-control.png + + The \l {Item::}{implicitWidth} and \l {Item::}{implicitHeight} of a control + are typically based on the implicit sizes of the background and the content + item plus any \l {Control::}{padding}. These properties determine how large + the control will be when no explicit \l {Item::}{width} or + \l {Item::}{height} is specified. + + The \l {Control::}{background} item fills the entire width and height of the + control, unless an explicit size has been given for it. + + The geometry of the \l {Control::}{contentItem} is determined by the + padding. + + \section1 Event Handling + + All controls, except non-interactive indicators, do not let clicks and + touches through to items below them. For example, if \l Pane is used as the + \l {ApplicationWindow::}{header} or \l {ApplicationWindow::}{footer} of + \l ApplicationWindow, items underneath it will not get mouse or touch + events. + + \sa ApplicationWindow, Container +*/ + +static bool isKeyFocusReason(Qt::FocusReason reason) +{ + return reason == Qt::TabFocusReason || reason == Qt::BacktabFocusReason || reason == Qt::ShortcutFocusReason; +} + +QQuickControlPrivate::ExtraData::ExtraData() +{ +} + +QQuickControlPrivate::QQuickControlPrivate() : + hasTopPadding(false), hasLeftPadding(false), hasRightPadding(false), hasBottomPadding(false), hasLocale(false), hovered(false), wheelEnabled(false), + padding(0), topPadding(0), leftPadding(0), rightPadding(0), bottomPadding(0), spacing(0), + focusPolicy(Qt::NoFocus), focusReason(Qt::OtherFocusReason), + background(nullptr), contentItem(nullptr), accessibleAttached(nullptr) +{ +#ifndef QT_NO_ACCESSIBILITY + QAccessible::installActivationObserver(this); +#endif +} + +QQuickControlPrivate::~QQuickControlPrivate() +{ +#ifndef QT_NO_ACCESSIBILITY + QAccessible::removeActivationObserver(this); +#endif +} + +void QQuickControlPrivate::mirrorChange() +{ + Q_Q(QQuickControl); + if (locale.textDirection() == Qt::LeftToRight) + q->mirrorChange(); +} + +void QQuickControlPrivate::setTopPadding(qreal value, bool reset) +{ + Q_Q(QQuickControl); + qreal oldPadding = q->topPadding(); + topPadding = value; + hasTopPadding = !reset; + if ((!reset && !qFuzzyCompare(oldPadding, value)) || (reset && !qFuzzyCompare(oldPadding, padding))) { + emit q->topPaddingChanged(); + emit q->availableHeightChanged(); + q->paddingChange(QMarginsF(leftPadding, topPadding, rightPadding, bottomPadding), + QMarginsF(leftPadding, oldPadding, rightPadding, bottomPadding)); + } +} + +void QQuickControlPrivate::setLeftPadding(qreal value, bool reset) +{ + Q_Q(QQuickControl); + qreal oldPadding = q->leftPadding(); + leftPadding = value; + hasLeftPadding = !reset; + if ((!reset && !qFuzzyCompare(oldPadding, value)) || (reset && !qFuzzyCompare(oldPadding, padding))) { + emit q->leftPaddingChanged(); + emit q->availableWidthChanged(); + q->paddingChange(QMarginsF(leftPadding, topPadding, rightPadding, bottomPadding), + QMarginsF(oldPadding, topPadding, rightPadding, bottomPadding)); + } +} + +void QQuickControlPrivate::setRightPadding(qreal value, bool reset) +{ + Q_Q(QQuickControl); + qreal oldPadding = q->rightPadding(); + rightPadding = value; + hasRightPadding = !reset; + if ((!reset && !qFuzzyCompare(oldPadding, value)) || (reset && !qFuzzyCompare(oldPadding, padding))) { + emit q->rightPaddingChanged(); + emit q->availableWidthChanged(); + q->paddingChange(QMarginsF(leftPadding, topPadding, rightPadding, bottomPadding), + QMarginsF(leftPadding, topPadding, oldPadding, bottomPadding)); + } +} + +void QQuickControlPrivate::setBottomPadding(qreal value, bool reset) +{ + Q_Q(QQuickControl); + qreal oldPadding = q->bottomPadding(); + bottomPadding = value; + hasBottomPadding = !reset; + if ((!reset && !qFuzzyCompare(oldPadding, value)) || (reset && !qFuzzyCompare(oldPadding, padding))) { + emit q->bottomPaddingChanged(); + emit q->availableHeightChanged(); + q->paddingChange(QMarginsF(leftPadding, topPadding, rightPadding, bottomPadding), + QMarginsF(leftPadding, topPadding, rightPadding, oldPadding)); + } +} + +void QQuickControlPrivate::resizeBackground() +{ + Q_Q(QQuickControl); + if (background) { + QQuickItemPrivate *p = QQuickItemPrivate::get(background); + if (!p->widthValid && qFuzzyIsNull(background->x())) { + background->setWidth(q->width()); + p->widthValid = false; + } + if (!p->heightValid && qFuzzyIsNull(background->y())) { + background->setHeight(q->height()); + p->heightValid = false; + } + } +} + +void QQuickControlPrivate::resizeContent() +{ + Q_Q(QQuickControl); + if (contentItem) { + contentItem->setPosition(QPointF(q->leftPadding(), q->topPadding())); + contentItem->setSize(QSizeF(q->availableWidth(), q->availableHeight())); + } +} + +#ifndef QT_NO_ACCESSIBILITY +void QQuickControlPrivate::accessibilityActiveChanged(bool active) +{ + Q_Q(QQuickControl); + return q->accessibilityActiveChanged(active); +} + +QAccessible::Role QQuickControlPrivate::accessibleRole() const +{ + Q_Q(const QQuickControl); + return q->accessibleRole(); +} + +QAccessible::Role QQuickControl::accessibleRole() const +{ + return QAccessible::NoRole; +} + +void QQuickControl::accessibilityActiveChanged(bool active) +{ + Q_D(QQuickControl); + if (d->accessibleAttached || !active) + return; + + d->accessibleAttached = qobject_cast<QQuickAccessibleAttached *>(qmlAttachedPropertiesObject<QQuickAccessibleAttached>(this, true)); + + // QQuickControl relies on the existence of a QQuickAccessibleAttached object. + // However, qmlAttachedPropertiesObject(create=true) creates an instance only + // for items that have been created by a QML engine. Therefore we create the + // object by hand for items created in C++ (QQuickPopupItem, for instance). + if (!d->accessibleAttached) + d->accessibleAttached = new QQuickAccessibleAttached(this); + + d->accessibleAttached->setRole(accessibleRole()); +} +#endif + +/*! + \internal + + Returns the font that the control w inherits from its ancestors and + QGuiApplication::font. +*/ +QFont QQuickControlPrivate::parentFont(const QQuickItem *item) +{ + QQuickItem *p = item->parentItem(); + while (p) { + if (QQuickControl *control = qobject_cast<QQuickControl *>(p)) + return control->font(); + else if (QQuickLabel *label = qobject_cast<QQuickLabel *>(p)) + return label->font(); + else if (QQuickTextField *textField = qobject_cast<QQuickTextField *>(p)) + return textField->font(); + else if (QQuickTextArea *textArea = qobject_cast<QQuickTextArea *>(p)) + return textArea->font(); + + p = p->parentItem(); + } + + if (QQuickApplicationWindow *window = qobject_cast<QQuickApplicationWindow *>(item->window())) + return window->font(); + + return themeFont(QPlatformTheme::SystemFont); +} + +QFont QQuickControlPrivate::themeFont(QPlatformTheme::Font type) +{ + if (QPlatformTheme *theme = QGuiApplicationPrivate::platformTheme()) { + if (const QFont *font = theme->font(type)) { + QFont f = *font; + if (type == QPlatformTheme::SystemFont) + f.resolve(0); + return f; + } + } + + return QFont(); +} + +/*! + \internal + + Determine which font is implicitly imposed on this control by its ancestors + and QGuiApplication::font, resolve this against its own font (attributes from + the implicit font are copied over). Then propagate this font to this + control's children. +*/ +void QQuickControlPrivate::resolveFont() +{ + Q_Q(QQuickControl); + inheritFont(parentFont(q)); +} + +void QQuickControlPrivate::inheritFont(const QFont &f) +{ + Q_Q(QQuickControl); + QFont parentFont = extra.isAllocated() ? extra->font.resolve(f) : f; + parentFont.resolve(extra.isAllocated() ? extra->font.resolve() | f.resolve() : f.resolve()); + + const QFont defaultFont = q->defaultFont(); + const QFont resolvedFont = parentFont.resolve(defaultFont); + + setFont_helper(resolvedFont); +} + +/*! + \internal + + Assign \a font to this control, and propagate it to all children. +*/ +void QQuickControlPrivate::updateFont(const QFont &f) +{ + Q_Q(QQuickControl); + QFont old = resolvedFont; + resolvedFont = f; + + if (old != f) + q->fontChange(f, old); + + QQuickControlPrivate::updateFontRecur(q, f); + + if (old != f) + emit q->fontChanged(); +} + +void QQuickControlPrivate::updateFontRecur(QQuickItem *item, const QFont &f) +{ + const auto childItems = item->childItems(); + for (QQuickItem *child : childItems) { + if (QQuickControl *control = qobject_cast<QQuickControl *>(child)) + QQuickControlPrivate::get(control)->inheritFont(f); + else if (QQuickLabel *label = qobject_cast<QQuickLabel *>(child)) + QQuickLabelPrivate::get(label)->inheritFont(f); + else if (QQuickTextArea *textArea = qobject_cast<QQuickTextArea *>(child)) + QQuickTextAreaPrivate::get(textArea)->inheritFont(f); + else if (QQuickTextField *textField = qobject_cast<QQuickTextField *>(child)) + QQuickTextFieldPrivate::get(textField)->inheritFont(f); + else + QQuickControlPrivate::updateFontRecur(child, f); + } +} + +QString QQuickControl::accessibleName() const +{ +#ifndef QT_NO_ACCESSIBILITY + Q_D(const QQuickControl); + if (d->accessibleAttached) + return d->accessibleAttached->name(); +#endif + return QString(); +} + +void QQuickControl::setAccessibleName(const QString &name) +{ +#ifndef QT_NO_ACCESSIBILITY + Q_D(QQuickControl); + if (d->accessibleAttached) + d->accessibleAttached->setName(name); +#else + Q_UNUSED(name) +#endif +} + +QVariant QQuickControl::accessibleProperty(const char *propertyName) +{ +#ifndef QT_NO_ACCESSIBILITY + Q_D(QQuickControl); + if (d->accessibleAttached) + return QQuickAccessibleAttached::property(this, propertyName); +#endif + Q_UNUSED(propertyName) + return QVariant(); +} + +bool QQuickControl::setAccessibleProperty(const char *propertyName, const QVariant &value) +{ +#ifndef QT_NO_ACCESSIBILITY + Q_D(QQuickControl); + if (d->accessibleAttached) + return QQuickAccessibleAttached::setProperty(this, propertyName, value); +#endif + Q_UNUSED(propertyName) + Q_UNUSED(value) + return false; +} + +QQuickControl::QQuickControl(QQuickItem *parent) : + QQuickItem(*(new QQuickControlPrivate), parent) +{ +} + +QQuickControl::QQuickControl(QQuickControlPrivate &dd, QQuickItem *parent) : + QQuickItem(dd, parent) +{ +} + +void QQuickControl::itemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &value) +{ + Q_D(QQuickControl); + QQuickItem::itemChange(change, value); + switch (change) { + case ItemVisibleHasChanged: + if (!value.boolValue) + setHovered(false); + break; + case ItemParentHasChanged: + if (value.item) { + d->resolveFont(); + if (!d->hasLocale) + d->updateLocale(QQuickControlPrivate::calcLocale(d->parentItem), false); // explicit=false + } + break; + case ItemActiveFocusHasChanged: + if (isKeyFocusReason(d->focusReason)) + emit visualFocusChanged(); + break; + default: + break; + } +} + +/*! + \qmlproperty font QtQuick.Controls::Control::font + + This property holds the font currently set for the control. + + This property describes the control's requested font. The font is used by the control's + style when rendering standard components, and is available as a means to ensure that custom + controls can maintain consistency with the native platform's native look and feel. It's common + that different platforms, or different styles, define different fonts for an application. + + The default font depends on the system environment. ApplicationWindow maintains a system/theme + font which serves as a default for all controls. There may also be special font defaults for + certain types of controls. You can also set the default font for controls by passing a custom + font to QGuiApplication::setFont(), before loading the QML. Finally, the font is matched + against Qt's font database to find the best match. + + Control propagates explicit font properties from parent to children. If you change a specific + property on a control's font, that property propagates to all of the control's children, + overriding any system defaults for that property. + + \code + Page { + font.family: "Courier" + + Column { + Label { + text: qsTr("This will use Courier...") + } + + Switch { + text: qsTr("... and so will this") + } + } + } + \endcode +*/ +QFont QQuickControl::font() const +{ + Q_D(const QQuickControl); + return d->resolvedFont; +} + +void QQuickControl::setFont(const QFont &font) +{ + Q_D(QQuickControl); + if (d->extra.value().font.resolve() == font.resolve() && d->extra.value().font == font) + return; + + d->extra.value().font = font; + d->resolveFont(); +} + +void QQuickControl::resetFont() +{ + setFont(QFont()); +} + +/*! + \qmlproperty real QtQuick.Controls::Control::availableWidth + \readonly + + This property holds the width available to the \l contentItem after + deducting horizontal padding from the \l {Item::}{width} of the control. + + \sa {Control Layout}, padding, leftPadding, rightPadding +*/ +qreal QQuickControl::availableWidth() const +{ + return qMax<qreal>(0.0, width() - leftPadding() - rightPadding()); +} + +/*! + \qmlproperty real QtQuick.Controls::Control::availableHeight + \readonly + + This property holds the height available to the \l contentItem after + deducting vertical padding from the \l {Item::}{height} of the control. + + \sa {Control Layout}, padding, topPadding, bottomPadding +*/ +qreal QQuickControl::availableHeight() const +{ + return qMax<qreal>(0.0, height() - topPadding() - bottomPadding()); +} + +/*! + \qmlproperty real QtQuick.Controls::Control::padding + + This property holds the default padding. + + Padding adds a space between each edge of the content item and the + background item, effectively controlling the size of the content item. To + specify a padding value for a specific edge of the control, set its + relevant property: + + \list + \li \l {Control::}{leftPadding} + \li \l {Control::}{rightPadding} + \li \l {Control::}{topPadding} + \li \l {Control::}{bottomPadding} + \endlist + + \sa {Control Layout}, availableWidth, availableHeight, topPadding, leftPadding, rightPadding, bottomPadding +*/ +qreal QQuickControl::padding() const +{ + Q_D(const QQuickControl); + return d->padding; +} + +void QQuickControl::setPadding(qreal padding) +{ + Q_D(QQuickControl); + if (qFuzzyCompare(d->padding, padding)) + return; + QMarginsF oldPadding(leftPadding(), topPadding(), rightPadding(), bottomPadding()); + d->padding = padding; + emit paddingChanged(); + QMarginsF newPadding(leftPadding(), topPadding(), rightPadding(), bottomPadding()); + if (!qFuzzyCompare(newPadding.top(), oldPadding.top())) + emit topPaddingChanged(); + if (!qFuzzyCompare(newPadding.left(), oldPadding.left())) + emit leftPaddingChanged(); + if (!qFuzzyCompare(newPadding.right(), oldPadding.right())) + emit rightPaddingChanged(); + if (!qFuzzyCompare(newPadding.bottom(), oldPadding.bottom())) + emit bottomPaddingChanged(); + if (!qFuzzyCompare(newPadding.top(), oldPadding.top()) || !qFuzzyCompare(newPadding.bottom(), oldPadding.bottom())) + emit availableHeightChanged(); + if (!qFuzzyCompare(newPadding.left(), oldPadding.left()) || !qFuzzyCompare(newPadding.right(), oldPadding.right())) + emit availableWidthChanged(); + paddingChange(newPadding, oldPadding); +} + +void QQuickControl::resetPadding() +{ + setPadding(0); +} + +/*! + \qmlproperty real QtQuick.Controls::Control::topPadding + + This property holds the top padding. + + \sa {Control Layout}, padding, bottomPadding, availableHeight +*/ +qreal QQuickControl::topPadding() const +{ + Q_D(const QQuickControl); + if (d->hasTopPadding) + return d->topPadding; + return d->padding; +} + +void QQuickControl::setTopPadding(qreal padding) +{ + Q_D(QQuickControl); + d->setTopPadding(padding); +} + +void QQuickControl::resetTopPadding() +{ + Q_D(QQuickControl); + d->setTopPadding(0, true); +} + +/*! + \qmlproperty real QtQuick.Controls::Control::leftPadding + + This property holds the left padding. + + \sa {Control Layout}, padding, rightPadding, availableWidth +*/ +qreal QQuickControl::leftPadding() const +{ + Q_D(const QQuickControl); + if (d->hasLeftPadding) + return d->leftPadding; + return d->padding; +} + +void QQuickControl::setLeftPadding(qreal padding) +{ + Q_D(QQuickControl); + d->setLeftPadding(padding); +} + +void QQuickControl::resetLeftPadding() +{ + Q_D(QQuickControl); + d->setLeftPadding(0, true); +} + +/*! + \qmlproperty real QtQuick.Controls::Control::rightPadding + + This property holds the right padding. + + \sa {Control Layout}, padding, leftPadding, availableWidth +*/ +qreal QQuickControl::rightPadding() const +{ + Q_D(const QQuickControl); + if (d->hasRightPadding) + return d->rightPadding; + return d->padding; +} + +void QQuickControl::setRightPadding(qreal padding) +{ + Q_D(QQuickControl); + d->setRightPadding(padding); +} + +void QQuickControl::resetRightPadding() +{ + Q_D(QQuickControl); + d->setRightPadding(0, true); +} + +/*! + \qmlproperty real QtQuick.Controls::Control::bottomPadding + + This property holds the bottom padding. + + \sa {Control Layout}, padding, topPadding, availableHeight +*/ +qreal QQuickControl::bottomPadding() const +{ + Q_D(const QQuickControl); + if (d->hasBottomPadding) + return d->bottomPadding; + return d->padding; +} + +void QQuickControl::setBottomPadding(qreal padding) +{ + Q_D(QQuickControl); + d->setBottomPadding(padding); +} + +void QQuickControl::resetBottomPadding() +{ + Q_D(QQuickControl); + d->setBottomPadding(0, true); +} + +/*! + \qmlproperty real QtQuick.Controls::Control::spacing + + This property holds the spacing. + + Spacing is useful for controls that have multiple or repetitive building + blocks. For example, some styles use spacing to determine the distance + between the text and indicator of \l CheckBox. Spacing is not enforced by + Control, so each style may interpret it differently, and some may ignore it + altogether. +*/ +qreal QQuickControl::spacing() const +{ + Q_D(const QQuickControl); + return d->spacing; +} + +void QQuickControl::setSpacing(qreal spacing) +{ + Q_D(QQuickControl); + if (!qFuzzyCompare(d->spacing, spacing)) { + d->spacing = spacing; + emit spacingChanged(); + } +} + +void QQuickControl::resetSpacing() +{ + setSpacing(0); +} + +/*! + \qmlproperty Locale QtQuick.Controls::Control::locale + + This property holds the locale of the control. + It contains locale specific properties for formatting data and numbers. + Unless a special locale has been set, this is either the parent's locale + or the default locale. + + Control propagates explicit locale properties from parent to children. + If you change a specific property on a control's locale, that property + propagates to all of the control's children, overriding any system defaults + for that property. + + \sa mirrored, {LayoutMirroring}{LayoutMirroring} +*/ +QLocale QQuickControl::locale() const +{ + Q_D(const QQuickControl); + return d->locale; +} + +void QQuickControl::setLocale(const QLocale &locale) +{ + Q_D(QQuickControl); + if (d->hasLocale && d->locale == locale) + return; + + d->updateLocale(locale, true); // explicit=true +} + +void QQuickControl::resetLocale() +{ + Q_D(QQuickControl); + if (!d->hasLocale) + return; + + d->hasLocale = false; + d->updateLocale(QQuickControlPrivate::calcLocale(d->parentItem), false); // explicit=false +} + +QLocale QQuickControlPrivate::calcLocale(const QQuickItem *item) +{ + const QQuickItem *p = item; + while (p) { + if (const QQuickControl *control = qobject_cast<const QQuickControl *>(p)) + return control->locale(); + + QVariant v = p->property("locale"); + if (v.isValid() && v.userType() == QMetaType::QLocale) + return v.toLocale(); + + p = p->parentItem(); + } + + if (item) { + if (QQuickApplicationWindow *window = qobject_cast<QQuickApplicationWindow *>(item->window())) + return window->locale(); + } + + return QLocale(); +} + +/* + Deletes "delegate" if Component.completed() has been emitted, + otherwise stores it in pendingDeletions. +*/ +void QQuickControlPrivate::deleteDelegate(QObject *delegate) +{ + if (componentComplete) + delete delegate; + else + extra.value().pendingDeletions.append(delegate); +} + +void QQuickControlPrivate::updateLocale(const QLocale &l, bool e) +{ + Q_Q(QQuickControl); + if (!e && hasLocale) + return; + + QLocale old = q->locale(); + hasLocale = e; + if (old != l) { + bool wasMirrored = q->isMirrored(); + q->localeChange(l, old); + locale = l; + QQuickControlPrivate::updateLocaleRecur(q, l); + emit q->localeChanged(); + if (wasMirrored != q->isMirrored()) + q->mirrorChange(); + } +} + +void QQuickControlPrivate::updateLocaleRecur(QQuickItem *item, const QLocale &l) +{ + const auto childItems = item->childItems(); + for (QQuickItem *child : childItems) { + if (QQuickControl *control = qobject_cast<QQuickControl *>(child)) + QQuickControlPrivate::get(control)->updateLocale(l, false); + else + updateLocaleRecur(child, l); + } +} + +/*! + \qmlproperty bool QtQuick.Controls::Control::mirrored + \readonly + + This property holds whether the control is mirrored. + + This property is provided for convenience. A control is considered mirrored + when its visual layout direction is right-to-left; that is, when using a + right-to-left locale or when \l {LayoutMirroring::enabled}{LayoutMirroring.enabled} + is \c true. + + \sa locale, {LayoutMirroring}{LayoutMirroring}, {Right-to-left User Interfaces} +*/ +bool QQuickControl::isMirrored() const +{ + Q_D(const QQuickControl); + return d->isMirrored() || d->locale.textDirection() == Qt::RightToLeft; +} + +/*! + \qmlproperty enumeration QtQuick.Controls::Control::focusPolicy + + This property determines the way the control accepts focus. + + \value Qt.TabFocus The control accepts focus by tabbing. + \value Qt.ClickFocus The control accepts focus by clicking. + \value Qt.StrongFocus The control accepts focus by both tabbing and clicking. + \value Qt.WheelFocus The control accepts focus by tabbing, clicking, and using the mouse wheel. + \value Qt.NoFocus The control does not accept focus. +*/ +Qt::FocusPolicy QQuickControl::focusPolicy() const +{ + Q_D(const QQuickControl); + uint policy = d->focusPolicy; + if (activeFocusOnTab()) + policy |= Qt::TabFocus; + return static_cast<Qt::FocusPolicy>(policy); +} + +void QQuickControl::setFocusPolicy(Qt::FocusPolicy policy) +{ + Q_D(QQuickControl); + if (d->focusPolicy == policy) + return; + + d->focusPolicy = policy; + setActiveFocusOnTab(policy & Qt::TabFocus); + emit focusPolicyChanged(); +} + +/*! + \qmlproperty enumeration QtQuick.Controls::Control::focusReason + \readonly + + \include qquickcontrol-focusreason.qdocinc + + \sa visualFocus +*/ +Qt::FocusReason QQuickControl::focusReason() const +{ + Q_D(const QQuickControl); + return d->focusReason; +} + +void QQuickControl::setFocusReason(Qt::FocusReason reason) +{ + Q_D(QQuickControl); + if (d->focusReason == reason) + return; + + Qt::FocusReason oldReason = d->focusReason; + d->focusReason = reason; + emit focusReasonChanged(); + if (isKeyFocusReason(oldReason) != isKeyFocusReason(reason)) + emit visualFocusChanged(); +} + +/*! + \qmlproperty bool QtQuick.Controls::Control::visualFocus + \readonly + + This property holds whether the control has visual focus. This property + is \c true when the control has active focus and the focus reason is either + \c Qt.TabFocusReason, \c Qt.BacktabFocusReason, or \c Qt.ShortcutFocusReason. + + In general, for visualizing key focus, this property is preferred over + \l Item::activeFocus. This ensures that key focus is only visualized when + interacting with keys - not when interacting via touch or mouse. + + \sa focusReason, Item::activeFocus +*/ +bool QQuickControl::hasVisualFocus() const +{ + Q_D(const QQuickControl); + return d->activeFocus && isKeyFocusReason(d->focusReason); +} + +/*! + \qmlproperty bool QtQuick.Controls::Control::hovered + \readonly + + This property holds whether the control is hovered. + + \sa hoverEnabled +*/ +bool QQuickControl::isHovered() const +{ + Q_D(const QQuickControl); + return d->hovered; +} + +void QQuickControl::setHovered(bool hovered) +{ + Q_D(QQuickControl); + if (hovered == d->hovered) + return; + + d->hovered = hovered; + emit hoveredChanged(); +} + +/*! + \qmlproperty bool QtQuick.Controls::Control::hoverEnabled + + This property determines whether the control accepts hover events. The default value is \c false. + + \sa hovered +*/ +bool QQuickControl::isHoverEnabled() const +{ + Q_D(const QQuickControl); + return d->hoverEnabled; +} + +void QQuickControl::setHoverEnabled(bool enabled) +{ + Q_D(QQuickControl); + if (enabled == d->hoverEnabled) + return; + + setAcceptHoverEvents(enabled); + emit hoverEnabledChanged(); +} + +/*! + \qmlproperty bool QtQuick.Controls::Control::wheelEnabled + + This property determines whether the control handles wheel events. The default value is \c false. + + \note Care must be taken when enabling wheel events for controls within scrollable items such + as \l Flickable, as the control will consume the events and hence interrupt scrolling of the + Flickable. +*/ +bool QQuickControl::isWheelEnabled() const +{ + Q_D(const QQuickControl); + return d->wheelEnabled; +} + +void QQuickControl::setWheelEnabled(bool enabled) +{ + Q_D(QQuickControl); + if (d->wheelEnabled == enabled) + return; + + d->wheelEnabled = enabled; + emit wheelEnabledChanged(); +} + +/*! + \qmlproperty Item QtQuick.Controls::Control::background + + This property holds the background item. + + \code + Button { + id: control + text: qsTr("Button") + background: Rectangle { + implicitWidth: 100 + implicitHeight: 40 + opacity: enabled ? 1 : 0.3 + color: control.down ? "#d0d0d0" : "#e0e0e0" + } + } + \endcode + + \input qquickcontrol-background.qdocinc notes + + \sa {Control Layout} +*/ +QQuickItem *QQuickControl::background() const +{ + Q_D(const QQuickControl); + return d->background; +} + +void QQuickControl::setBackground(QQuickItem *background) +{ + Q_D(QQuickControl); + if (d->background == background) + return; + + d->deleteDelegate(d->background); + d->background = background; + if (background) { + background->setParentItem(this); + if (qFuzzyIsNull(background->z())) + background->setZ(-1); + if (isComponentComplete()) + d->resizeBackground(); + } + emit backgroundChanged(); +} + +/*! + \qmlproperty Item QtQuick.Controls::Control::contentItem + + This property holds the visual content item. + + \note The content item is automatically resized to fit within the + \l padding of the control. + + \note Most controls use the implicit size of the content item to calculate + the implicit size of the control itself. If you replace the content item + with a custom one, you should also consider providing a sensible implicit + size for it (unless it is an item like \l Text which has its own implicit + size). + + \code + Button { + id: control + text: qsTr("Button") + contentItem: Label { + text: control.text + font: control.font + verticalAlignment: Text.AlignVCenter + } + } + \endcode + + \sa {Control Layout}, padding +*/ +QQuickItem *QQuickControl::contentItem() const +{ + Q_D(const QQuickControl); + return d->contentItem; +} + +void QQuickControl::setContentItem(QQuickItem *item) +{ + Q_D(QQuickControl); + if (d->contentItem == item) + return; + + contentItemChange(item, d->contentItem); + d->deleteDelegate(d->contentItem); + d->contentItem = item; + if (item) { + if (!item->parentItem()) + item->setParentItem(this); + if (isComponentComplete()) + d->resizeContent(); + } + emit contentItemChanged(); +} + +void QQuickControl::classBegin() +{ + Q_D(QQuickControl); + QQuickItem::classBegin(); + d->resolveFont(); +} + +void QQuickControl::componentComplete() +{ + Q_D(QQuickControl); + QQuickItem::componentComplete(); + if (!d->hasLocale) + d->locale = QQuickControlPrivate::calcLocale(d->parentItem); +#ifndef QT_NO_ACCESSIBILITY + if (!d->accessibleAttached && QAccessible::isActive()) + accessibilityActiveChanged(true); +#endif + + if (d->extra.isAllocated()) { + qDeleteAll(d->extra.value().pendingDeletions); + d->extra.value().pendingDeletions.clear(); + } +} + +QFont QQuickControl::defaultFont() const +{ + return QQuickControlPrivate::themeFont(QPlatformTheme::SystemFont); +} + +void QQuickControl::focusInEvent(QFocusEvent *event) +{ + QQuickItem::focusInEvent(event); + setFocusReason(event->reason()); +} + +void QQuickControl::focusOutEvent(QFocusEvent *event) +{ + QQuickItem::focusOutEvent(event); + setFocusReason(event->reason()); +} + +void QQuickControl::hoverEnterEvent(QHoverEvent *event) +{ + Q_D(QQuickControl); + setHovered(d->hoverEnabled); + event->setAccepted(d->hoverEnabled); +} + +void QQuickControl::hoverMoveEvent(QHoverEvent *event) +{ + Q_D(QQuickControl); + setHovered(d->hoverEnabled && contains(event->pos())); + event->setAccepted(d->hoverEnabled); +} + +void QQuickControl::hoverLeaveEvent(QHoverEvent *event) +{ + Q_D(QQuickControl); + setHovered(false); + event->setAccepted(d->hoverEnabled); +} + +void QQuickControl::mousePressEvent(QMouseEvent *event) +{ + Q_D(QQuickControl); + if ((d->focusPolicy & Qt::ClickFocus) == Qt::ClickFocus && !QGuiApplication::styleHints()->setFocusOnTouchRelease()) + forceActiveFocus(Qt::MouseFocusReason); + + event->accept(); +} + +void QQuickControl::mouseMoveEvent(QMouseEvent *event) +{ + Q_D(QQuickControl); + setHovered(d->hoverEnabled && contains(event->pos())); + event->accept(); +} + +void QQuickControl::mouseReleaseEvent(QMouseEvent *event) +{ + Q_D(QQuickControl); + if ((d->focusPolicy & Qt::ClickFocus) == Qt::ClickFocus && QGuiApplication::styleHints()->setFocusOnTouchRelease()) + forceActiveFocus(Qt::MouseFocusReason); + + event->accept(); +} + +void QQuickControl::wheelEvent(QWheelEvent *event) +{ + Q_D(QQuickControl); + if ((d->focusPolicy & Qt::WheelFocus) == Qt::WheelFocus) + forceActiveFocus(Qt::MouseFocusReason); + + event->setAccepted(d->wheelEnabled); +} + +void QQuickControl::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) +{ + Q_D(QQuickControl); + QQuickItem::geometryChanged(newGeometry, oldGeometry); + d->resizeBackground(); + d->resizeContent(); + if (!qFuzzyCompare(newGeometry.width(), oldGeometry.width())) + emit availableWidthChanged(); + if (!qFuzzyCompare(newGeometry.height(), oldGeometry.height())) + emit availableHeightChanged(); +} + +void QQuickControl::fontChange(const QFont &newFont, const QFont &oldFont) +{ + Q_UNUSED(newFont); + Q_UNUSED(oldFont); +} + +void QQuickControl::mirrorChange() +{ + emit mirroredChanged(); +} + +void QQuickControl::paddingChange(const QMarginsF &newPadding, const QMarginsF &oldPadding) +{ + Q_D(QQuickControl); + Q_UNUSED(newPadding); + Q_UNUSED(oldPadding); + d->resizeContent(); +} + +void QQuickControl::contentItemChange(QQuickItem *newItem, QQuickItem *oldItem) +{ + Q_UNUSED(newItem); + Q_UNUSED(oldItem); +} + +void QQuickControl::localeChange(const QLocale &newLocale, const QLocale &oldLocale) +{ + Q_UNUSED(newLocale); + Q_UNUSED(oldLocale); +} + +QT_END_NAMESPACE |