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authorJ-P Nurmi <jpnurmi@theqtcompany.com>2016-04-13 15:59:53 +0200
committerJ-P Nurmi <jpnurmi@theqtcompany.com>2016-04-13 15:28:11 +0000
commita60c8e60d508117ddf48876b44d31e6d5ab98da6 (patch)
tree8bf008a1bf8dc34338450eee86d2b55e84cba36c /src/quicktemplates2/qquicktextfield.cpp
parente719087dce50d739c723c5ef9af2a9226318aa02 (diff)
Templates: rename the C++ module to qtquicktemplates2
Change-Id: I146da903b46f5c2caf865e37291c25376b49021a Reviewed-by: J-P Nurmi <jpnurmi@theqtcompany.com>
Diffstat (limited to 'src/quicktemplates2/qquicktextfield.cpp')
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+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Labs Templates 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 "qquicktextfield_p.h"
+#include "qquicktextfield_p_p.h"
+#include "qquickcontrol_p.h"
+#include "qquickcontrol_p_p.h"
+
+#include <QtCore/qbasictimer.h>
+#include <QtQuick/private/qquickitem_p.h>
+#include <QtQuick/private/qquicktext_p.h>
+#include <QtQuick/private/qquicktextinput_p.h>
+#include <QtQuick/private/qquickclipnode_p.h>
+
+#ifndef QT_NO_ACCESSIBILITY
+#include <QtQuick/private/qquickaccessibleattached_p.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+/*!
+ \qmltype TextField
+ \inherits TextInput
+ \instantiates QQuickTextField
+ \inqmlmodule Qt.labs.controls
+ \ingroup qtquickcontrols2-input
+ \brief A single line text input control.
+
+ TextField is a single line text editor. TextField extends TextInput with
+ a \l {placeholderText}{placeholder text} functionality, and adds decoration.
+
+ \table
+ \row \li \image qtquickcontrols-textfield-normal.png
+ \li A text field in its normal state.
+ \row \li \image qtquickcontrols-textfield-focused.png
+ \li A text field that has active focus.
+ \row \li \image qtquickcontrols-textfield-disabled.png
+ \li A text field that is disabled.
+ \endtable
+
+ \code
+ TextField {
+ placeholderText: qsTr("Enter name")
+ }
+ \endcode
+
+ \labs
+
+ \sa TextArea, {Customizing TextField}, {Input Controls}
+*/
+
+/*!
+ \qmlsignal Qt.labs.controls::TextField::pressAndHold(MouseEvent mouse)
+
+ This signal is emitted when there is a long press (the delay depends on the platform plugin).
+ The \l {MouseEvent}{mouse} parameter provides information about the press, including the x and y
+ position of the press, and which button is pressed.
+*/
+
+QQuickTextFieldPrivate::QQuickTextFieldPrivate()
+ : background(nullptr)
+ , focusReason(Qt::OtherFocusReason)
+ , accessibleAttached(nullptr)
+{
+#ifndef QT_NO_ACCESSIBILITY
+ QAccessible::installActivationObserver(this);
+#endif
+}
+
+QQuickTextFieldPrivate::~QQuickTextFieldPrivate()
+{
+#ifndef QT_NO_ACCESSIBILITY
+ QAccessible::removeActivationObserver(this);
+#endif
+}
+
+void QQuickTextFieldPrivate::resizeBackground()
+{
+ Q_Q(QQuickTextField);
+ 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;
+ }
+ }
+}
+
+qreal QQuickTextFieldPrivate::getImplicitWidth() const
+{
+ return QQuickItemPrivate::getImplicitWidth();
+}
+
+qreal QQuickTextFieldPrivate::getImplicitHeight() const
+{
+ return QQuickItemPrivate::getImplicitHeight();
+}
+
+void QQuickTextFieldPrivate::implicitWidthChanged()
+{
+ Q_Q(QQuickTextField);
+ QQuickItemPrivate::implicitWidthChanged();
+ emit q->implicitWidthChanged();
+}
+
+void QQuickTextFieldPrivate::implicitHeightChanged()
+{
+ Q_Q(QQuickTextField);
+ QQuickItemPrivate::implicitHeightChanged();
+ emit q->implicitHeightChanged();
+}
+
+QQuickTextField::QQuickTextField(QQuickItem *parent) :
+ QQuickTextInput(*(new QQuickTextFieldPrivate), parent)
+{
+ Q_D(QQuickTextField);
+ d->pressHandler.control = this;
+ d->setImplicitResizeEnabled(false);
+ setActiveFocusOnTab(true);
+ QObjectPrivate::connect(this, &QQuickTextInput::readOnlyChanged,
+ d, &QQuickTextFieldPrivate::_q_readOnlyChanged);
+ QObjectPrivate::connect(this, &QQuickTextInput::echoModeChanged,
+ d, &QQuickTextFieldPrivate::_q_echoModeChanged);
+}
+
+QQuickTextField::~QQuickTextField()
+{
+}
+
+/*!
+ \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 QQuickTextFieldPrivate::resolveFont()
+{
+ Q_Q(QQuickTextField);
+ inheritFont(QQuickControlPrivate::parentFont(q));
+}
+
+void QQuickTextFieldPrivate::inheritFont(const QFont &f)
+{
+ Q_Q(QQuickTextField);
+ QFont parentFont = font.resolve(f);
+ parentFont.resolve(font.resolve() | f.resolve());
+
+ const QFont defaultFont = QQuickControlPrivate::themeFont(QPlatformTheme::EditorFont);
+ const QFont resolvedFont = parentFont.resolve(defaultFont);
+
+ const bool changed = resolvedFont != sourceFont;
+ q->QQuickTextInput::setFont(resolvedFont);
+ if (changed)
+ emit q->fontChanged();
+}
+
+void QQuickTextFieldPrivate::_q_readOnlyChanged(bool isReadOnly)
+{
+#ifndef QT_NO_ACCESSIBILITY
+ if (accessibleAttached)
+ accessibleAttached->set_readOnly(isReadOnly);
+#else
+ Q_UNUSED(isReadOnly)
+#endif
+}
+
+void QQuickTextFieldPrivate::_q_echoModeChanged(QQuickTextField::EchoMode echoMode)
+{
+#ifndef QT_NO_ACCESSIBILITY
+ if (accessibleAttached)
+ accessibleAttached->set_passwordEdit((echoMode == QQuickTextField::Password || echoMode == QQuickTextField::PasswordEchoOnEdit) ? true : false);
+#else
+ Q_UNUSED(echoMode)
+#endif
+}
+
+#ifndef QT_NO_ACCESSIBILITY
+void QQuickTextFieldPrivate::accessibilityActiveChanged(bool active)
+{
+ if (accessibleAttached || !active)
+ return;
+
+ Q_Q(QQuickTextField);
+ accessibleAttached = qobject_cast<QQuickAccessibleAttached *>(qmlAttachedPropertiesObject<QQuickAccessibleAttached>(q, true));
+ if (accessibleAttached) {
+ accessibleAttached->setRole(accessibleRole());
+ accessibleAttached->set_readOnly(m_readOnly);
+ accessibleAttached->set_passwordEdit((m_echoMode == QQuickTextField::Password || m_echoMode == QQuickTextField::PasswordEchoOnEdit) ? true : false);
+ accessibleAttached->setDescription(placeholder);
+ } else {
+ qWarning() << "QQuickTextField: " << q << " QQuickAccessibleAttached object creation failed!";
+ }
+}
+
+QAccessible::Role QQuickTextFieldPrivate::accessibleRole() const
+{
+ return QAccessible::EditableText;
+}
+#endif
+
+QFont QQuickTextField::font() const
+{
+ return QQuickTextInput::font();
+}
+
+void QQuickTextField::setFont(const QFont &font)
+{
+ Q_D(QQuickTextField);
+ if (d->font.resolve() == font.resolve() && d->font == font)
+ return;
+
+ d->font = font;
+ d->resolveFont();
+}
+
+/*!
+ \qmlproperty Item Qt.labs.controls::TextField::background
+
+ This property holds the background item.
+
+ \note If the background item has no explicit size specified, it automatically
+ follows the control's size. In most cases, there is no need to specify
+ width or height for a background item.
+
+ \sa {Customizing TextField}
+*/
+QQuickItem *QQuickTextField::background() const
+{
+ Q_D(const QQuickTextField);
+ return d->background;
+}
+
+void QQuickTextField::setBackground(QQuickItem *background)
+{
+ Q_D(QQuickTextField);
+ if (d->background == background)
+ return;
+
+ delete d->background;
+ d->background = background;
+ if (background) {
+ background->setParentItem(this);
+ if (qFuzzyIsNull(background->z()))
+ background->setZ(-1);
+ if (isComponentComplete())
+ d->resizeBackground();
+ }
+ emit backgroundChanged();
+}
+
+/*!
+ \qmlproperty string Qt.labs.controls::TextField::placeholderText
+
+ This property holds the hint that is displayed in the TextField before the user
+ enters text.
+*/
+QString QQuickTextField::placeholderText() const
+{
+ Q_D(const QQuickTextField);
+ return d->placeholder;
+}
+
+void QQuickTextField::setPlaceholderText(const QString &text)
+{
+ Q_D(QQuickTextField);
+ if (d->placeholder == text)
+ return;
+
+ d->placeholder = text;
+#ifndef QT_NO_ACCESSIBILITY
+ if (d->accessibleAttached)
+ d->accessibleAttached->setDescription(text);
+#endif
+ emit placeholderTextChanged();
+}
+
+/*!
+ \qmlproperty enumeration Qt.labs.controls::TextField::focusReason
+
+ This property holds the reason of the last focus change.
+
+ \note This property does not indicate whether the control has \l {Item::activeFocus}
+ {active focus}, but the reason why the control either gained or lost focus.
+
+ \value Qt.MouseFocusReason A mouse action occurred.
+ \value Qt.TabFocusReason The Tab key was pressed.
+ \value Qt.BacktabFocusReason A Backtab occurred. The input for this may include the Shift or Control keys; e.g. Shift+Tab.
+ \value Qt.ActiveWindowFocusReason The window system made this window either active or inactive.
+ \value Qt.PopupFocusReason The application opened/closed a pop-up that grabbed/released the keyboard focus.
+ \value Qt.ShortcutFocusReason The user typed a label's buddy shortcut
+ \value Qt.MenuBarFocusReason The menu bar took focus.
+ \value Qt.OtherFocusReason Another reason, usually application-specific.
+
+ \sa Item::activeFocus
+*/
+Qt::FocusReason QQuickTextField::focusReason() const
+{
+ Q_D(const QQuickTextField);
+ return d->focusReason;
+}
+
+void QQuickTextField::setFocusReason(Qt::FocusReason reason)
+{
+ Q_D(QQuickTextField);
+ if (d->focusReason == reason)
+ return;
+
+ d->focusReason = reason;
+ emit focusReasonChanged();
+}
+
+void QQuickTextField::classBegin()
+{
+ Q_D(QQuickTextField);
+ QQuickTextInput::classBegin();
+ d->resolveFont();
+}
+
+void QQuickTextField::itemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &value)
+{
+ Q_D(QQuickTextField);
+ QQuickTextInput::itemChange(change, value);
+ if (change == ItemParentHasChanged && value.item)
+ d->resolveFont();
+}
+
+void QQuickTextField::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry)
+{
+ Q_D(QQuickTextField);
+ QQuickTextInput::geometryChanged(newGeometry, oldGeometry);
+ d->resizeBackground();
+}
+
+QSGNode *QQuickTextField::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *data)
+{
+ QQuickDefaultClipNode *clipNode = static_cast<QQuickDefaultClipNode *>(oldNode);
+ if (!clipNode)
+ clipNode = new QQuickDefaultClipNode(QRectF());
+
+ clipNode->setRect(clipRect().adjusted(leftPadding(), topPadding(), -rightPadding(), -bottomPadding()));
+ clipNode->update();
+
+ QSGNode *textNode = QQuickTextInput::updatePaintNode(clipNode->firstChild(), data);
+ if (!textNode->parent())
+ clipNode->appendChildNode(textNode);
+
+ return clipNode;
+}
+
+void QQuickTextField::focusInEvent(QFocusEvent *event)
+{
+ QQuickTextInput::focusInEvent(event);
+ setFocusReason(event->reason());
+}
+
+void QQuickTextField::focusOutEvent(QFocusEvent *event)
+{
+ QQuickTextInput::focusOutEvent(event);
+ setFocusReason(event->reason());
+}
+
+void QQuickTextField::mousePressEvent(QMouseEvent *event)
+{
+ Q_D(QQuickTextField);
+ d->pressHandler.mousePressEvent(event);
+ if (d->pressHandler.isActive()) {
+ if (d->pressHandler.delayedMousePressEvent) {
+ QQuickTextInput::mousePressEvent(d->pressHandler.delayedMousePressEvent);
+ d->pressHandler.clearDelayedMouseEvent();
+ }
+ QQuickTextInput::mousePressEvent(event);
+ }
+}
+
+void QQuickTextField::mouseMoveEvent(QMouseEvent *event)
+{
+ Q_D(QQuickTextField);
+ d->pressHandler.mouseMoveEvent(event);
+ if (d->pressHandler.isActive()) {
+ if (d->pressHandler.delayedMousePressEvent) {
+ QQuickTextInput::mousePressEvent(d->pressHandler.delayedMousePressEvent);
+ d->pressHandler.clearDelayedMouseEvent();
+ }
+ QQuickTextInput::mouseMoveEvent(event);
+ }
+}
+
+void QQuickTextField::mouseReleaseEvent(QMouseEvent *event)
+{
+ Q_D(QQuickTextField);
+ d->pressHandler.mouseReleaseEvent(event);
+ if (d->pressHandler.isActive()) {
+ if (d->pressHandler.delayedMousePressEvent) {
+ QQuickTextInput::mousePressEvent(d->pressHandler.delayedMousePressEvent);
+ d->pressHandler.clearDelayedMouseEvent();
+ }
+ QQuickTextInput::mouseReleaseEvent(event);
+ }
+}
+
+void QQuickTextField::timerEvent(QTimerEvent *event)
+{
+ Q_D(QQuickTextField);
+ if (event->timerId() == d->pressHandler.timer.timerId()) {
+ d->pressHandler.timerEvent(event);
+ } else {
+ QQuickTextInput::timerEvent(event);
+ }
+}
+
+QT_END_NAMESPACE