diff options
Diffstat (limited to 'src/quickcontrols2impl/qquickiconlabel.cpp')
| -rw-r--r-- | src/quickcontrols2impl/qquickiconlabel.cpp | 642 |
1 files changed, 0 insertions, 642 deletions
diff --git a/src/quickcontrols2impl/qquickiconlabel.cpp b/src/quickcontrols2impl/qquickiconlabel.cpp deleted file mode 100644 index d76da28f..00000000 --- a/src/quickcontrols2impl/qquickiconlabel.cpp +++ /dev/null @@ -1,642 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ -** -** This file is part of the Qt Quick Controls 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 "qquickiconlabel_p.h" -#include "qquickiconlabel_p_p.h" -#include "qquickiconimage_p.h" -#include "qquickmnemoniclabel_p.h" - -#include <QtGui/private/qguiapplication_p.h> -#include <QtQuick/private/qquickitem_p.h> -#include <QtQuick/private/qquicktext_p.h> - -QT_BEGIN_NAMESPACE - -static void beginClass(QQuickItem *item) -{ - if (QQmlParserStatus *parserStatus = qobject_cast<QQmlParserStatus *>(item)) - parserStatus->classBegin(); -} - -static void completeComponent(QQuickItem *item) -{ - if (QQmlParserStatus *parserStatus = qobject_cast<QQmlParserStatus *>(item)) - parserStatus->componentComplete(); -} - -bool QQuickIconLabelPrivate::hasIcon() const -{ - return display != QQuickIconLabel::TextOnly && !icon.isEmpty(); -} - -bool QQuickIconLabelPrivate::hasText() const -{ - return display != QQuickIconLabel::IconOnly && !text.isEmpty(); -} - -bool QQuickIconLabelPrivate::createImage() -{ - Q_Q(QQuickIconLabel); - if (image) - return false; - - image = new QQuickIconImage(q); - watchChanges(image); - beginClass(image); - image->setObjectName(QStringLiteral("image")); - image->setName(icon.name()); - image->setSource(icon.source()); - image->setSourceSize(QSize(icon.width(), icon.height())); - image->setColor(icon.color()); - image->setCache(icon.cache()); - QQmlEngine::setContextForObject(image, qmlContext(q)); - if (componentComplete) - completeComponent(image); - return true; -} - -bool QQuickIconLabelPrivate::destroyImage() -{ - if (!image) - return false; - - unwatchChanges(image); - delete image; - image = nullptr; - return true; -} - -bool QQuickIconLabelPrivate::updateImage() -{ - if (!hasIcon()) - return destroyImage(); - return createImage(); -} - -void QQuickIconLabelPrivate::syncImage() -{ - if (!image || icon.isEmpty()) - return; - - image->setName(icon.name()); - image->setSource(icon.source()); - image->setSourceSize(QSize(icon.width(), icon.height())); - image->setColor(icon.color()); - image->setCache(icon.cache()); - const int valign = alignment & Qt::AlignVertical_Mask; - image->setVerticalAlignment(static_cast<QQuickImage::VAlignment>(valign)); - const int halign = alignment & Qt::AlignHorizontal_Mask; - image->setHorizontalAlignment(static_cast<QQuickImage::HAlignment>(halign)); -} - -void QQuickIconLabelPrivate::updateOrSyncImage() -{ - if (updateImage()) { - if (componentComplete) { - updateImplicitSize(); - layout(); - } - } else { - syncImage(); - } -} - -bool QQuickIconLabelPrivate::createLabel() -{ - Q_Q(QQuickIconLabel); - if (label) - return false; - - label = new QQuickMnemonicLabel(q); - watchChanges(label); - beginClass(label); - label->setObjectName(QStringLiteral("label")); - label->setFont(font); - label->setColor(color); - label->setElideMode(QQuickText::ElideRight); - const int valign = alignment & Qt::AlignVertical_Mask; - label->setVAlign(static_cast<QQuickText::VAlignment>(valign)); - const int halign = alignment & Qt::AlignHorizontal_Mask; - label->setHAlign(static_cast<QQuickText::HAlignment>(halign)); - label->setText(text); - if (componentComplete) - completeComponent(label); - return true; -} - -bool QQuickIconLabelPrivate::destroyLabel() -{ - if (!label) - return false; - - unwatchChanges(label); - delete label; - label = nullptr; - return true; -} - -bool QQuickIconLabelPrivate::updateLabel() -{ - if (!hasText()) - return destroyLabel(); - return createLabel(); -} - -void QQuickIconLabelPrivate::syncLabel() -{ - if (!label) - return; - - label->setText(text); -} - -void QQuickIconLabelPrivate::updateOrSyncLabel() -{ - if (updateLabel()) { - if (componentComplete) { - updateImplicitSize(); - layout(); - } - } else { - syncLabel(); - } -} - -void QQuickIconLabelPrivate::updateImplicitSize() -{ - Q_Q(QQuickIconLabel); - const bool showIcon = image && hasIcon(); - const bool showText = label && hasText(); - const qreal horizontalPadding = leftPadding + rightPadding; - const qreal verticalPadding = topPadding + bottomPadding; - const qreal iconImplicitWidth = showIcon ? image->implicitWidth() : 0; - const qreal iconImplicitHeight = showIcon ? image->implicitHeight() : 0; - const qreal textImplicitWidth = showText ? label->implicitWidth() : 0; - const qreal textImplicitHeight = showText ? label->implicitHeight() : 0; - const qreal effectiveSpacing = showText && showIcon && image->implicitWidth() > 0 ? spacing : 0; - const qreal implicitWidth = display == QQuickIconLabel::TextBesideIcon ? iconImplicitWidth + textImplicitWidth + effectiveSpacing - : qMax(iconImplicitWidth, textImplicitWidth); - const qreal implicitHeight = display == QQuickIconLabel::TextUnderIcon ? iconImplicitHeight + textImplicitHeight + effectiveSpacing - : qMax(iconImplicitHeight, textImplicitHeight); - q->setImplicitSize(implicitWidth + horizontalPadding, implicitHeight + verticalPadding); -} - -// adapted from QStyle::alignedRect() -static QRectF alignedRect(bool mirrored, Qt::Alignment alignment, const QSizeF &size, const QRectF &rectangle) -{ - alignment = QGuiApplicationPrivate::visualAlignment(mirrored ? Qt::RightToLeft : Qt::LeftToRight, alignment); - qreal x = rectangle.x(); - qreal y = rectangle.y(); - const qreal w = size.width(); - const qreal h = size.height(); - if ((alignment & Qt::AlignVCenter) == Qt::AlignVCenter) - y += rectangle.height() / 2 - h / 2; - else if ((alignment & Qt::AlignBottom) == Qt::AlignBottom) - y += rectangle.height() - h; - if ((alignment & Qt::AlignRight) == Qt::AlignRight) - x += rectangle.width() - w; - else if ((alignment & Qt::AlignHCenter) == Qt::AlignHCenter) - x += rectangle.width() / 2 - w / 2; - return QRectF(x, y, w, h); -} - -void QQuickIconLabelPrivate::layout() -{ - Q_Q(QQuickIconLabel); - if (!componentComplete) - return; - - const qreal availableWidth = width - leftPadding - rightPadding; - const qreal availableHeight = height - topPadding - bottomPadding; - - switch (display) { - case QQuickIconLabel::IconOnly: - if (image) { - const QRectF iconRect = alignedRect(mirrored, alignment, - QSizeF(qMin(image->implicitWidth(), availableWidth), - qMin(image->implicitHeight(), availableHeight)), - QRectF(leftPadding, topPadding, availableWidth, availableHeight)); - image->setSize(iconRect.size()); - image->setPosition(iconRect.topLeft()); - } - break; - case QQuickIconLabel::TextOnly: - if (label) { - const QRectF textRect = alignedRect(mirrored, alignment, - QSizeF(qMin(label->implicitWidth(), availableWidth), - qMin(label->implicitHeight(), availableHeight)), - QRectF(leftPadding, topPadding, availableWidth, availableHeight)); - label->setSize(textRect.size()); - label->setPosition(textRect.topLeft()); - } - break; - - case QQuickIconLabel::TextUnderIcon: { - // Work out the sizes first, as the positions depend on them. - QSizeF iconSize; - QSizeF textSize; - if (image) { - iconSize.setWidth(qMin(image->implicitWidth(), availableWidth)); - iconSize.setHeight(qMin(image->implicitHeight(), availableHeight)); - } - qreal effectiveSpacing = 0; - if (label) { - if (!iconSize.isEmpty()) - effectiveSpacing = spacing; - textSize.setWidth(qMin(label->implicitWidth(), availableWidth)); - textSize.setHeight(qMin(label->implicitHeight(), availableHeight - iconSize.height() - effectiveSpacing)); - } - - QRectF combinedRect = alignedRect(mirrored, alignment, - QSizeF(qMax(iconSize.width(), textSize.width()), - iconSize.height() + effectiveSpacing + textSize.height()), - QRectF(leftPadding, topPadding, availableWidth, availableHeight)); - if (image) { - QRectF iconRect = alignedRect(mirrored, Qt::AlignHCenter | Qt::AlignTop, iconSize, combinedRect); - image->setSize(iconRect.size()); - image->setPosition(iconRect.topLeft()); - } - if (label) { - QRectF textRect = alignedRect(mirrored, Qt::AlignHCenter | Qt::AlignBottom, textSize, combinedRect); - label->setSize(textRect.size()); - label->setPosition(textRect.topLeft()); - } - break; - } - - case QQuickIconLabel::TextBesideIcon: - default: - // Work out the sizes first, as the positions depend on them. - QSizeF iconSize(0, 0); - QSizeF textSize(0, 0); - if (image) { - iconSize.setWidth(qMin(image->implicitWidth(), availableWidth)); - iconSize.setHeight(qMin(image->implicitHeight(), availableHeight)); - } - qreal effectiveSpacing = 0; - if (label) { - if (!iconSize.isEmpty()) - effectiveSpacing = spacing; - textSize.setWidth(qMin(label->implicitWidth(), availableWidth - iconSize.width() - effectiveSpacing)); - textSize.setHeight(qMin(label->implicitHeight(), availableHeight)); - } - - const QRectF combinedRect = alignedRect(mirrored, alignment, - QSizeF(iconSize.width() + effectiveSpacing + textSize.width(), - qMax(iconSize.height(), textSize.height())), - QRectF(leftPadding, topPadding, availableWidth, availableHeight)); - if (image) { - const QRectF iconRect = alignedRect(mirrored, Qt::AlignLeft | Qt::AlignVCenter, iconSize, combinedRect); - image->setSize(iconRect.size()); - image->setPosition(iconRect.topLeft()); - } - if (label) { - const QRectF textRect = alignedRect(mirrored, Qt::AlignRight | Qt::AlignVCenter, textSize, combinedRect); - label->setSize(textRect.size()); - label->setPosition(textRect.topLeft()); - } - break; - } - - q->setBaselineOffset(label ? label->y() + label->baselineOffset() : 0); -} - -static const QQuickItemPrivate::ChangeTypes itemChangeTypes = - QQuickItemPrivate::ImplicitWidth - | QQuickItemPrivate::ImplicitHeight - | QQuickItemPrivate::Destroyed; - -void QQuickIconLabelPrivate::watchChanges(QQuickItem *item) -{ - QQuickItemPrivate *itemPrivate = QQuickItemPrivate::get(item); - itemPrivate->addItemChangeListener(this, itemChangeTypes); -} - -void QQuickIconLabelPrivate::unwatchChanges(QQuickItem* item) -{ - QQuickItemPrivate *itemPrivate = QQuickItemPrivate::get(item); - itemPrivate->removeItemChangeListener(this, itemChangeTypes); -} - -void QQuickIconLabelPrivate::itemImplicitWidthChanged(QQuickItem *) -{ - updateImplicitSize(); - layout(); -} - -void QQuickIconLabelPrivate::itemImplicitHeightChanged(QQuickItem *) -{ - updateImplicitSize(); - layout(); -} - -void QQuickIconLabelPrivate::itemDestroyed(QQuickItem *item) -{ - unwatchChanges(item); - if (item == image) - image = nullptr; - else if (item == label) - label = nullptr; -} - -QQuickIconLabel::QQuickIconLabel(QQuickItem *parent) - : QQuickItem(*(new QQuickIconLabelPrivate), parent) -{ -} - -QQuickIconLabel::~QQuickIconLabel() -{ - Q_D(QQuickIconLabel); - if (d->image) - d->unwatchChanges(d->image); - if (d->label) - d->unwatchChanges(d->label); -} - -QQuickIcon QQuickIconLabel::icon() const -{ - Q_D(const QQuickIconLabel); - return d->icon; -} - -void QQuickIconLabel::setIcon(const QQuickIcon &icon) -{ - Q_D(QQuickIconLabel); - if (d->icon == icon) - return; - - d->icon = icon; - d->updateOrSyncImage(); -} - -QString QQuickIconLabel::text() const -{ - Q_D(const QQuickIconLabel); - return d->text; -} - -void QQuickIconLabel::setText(const QString &text) -{ - Q_D(QQuickIconLabel); - if (d->text == text) - return; - - d->text = text; - d->updateOrSyncLabel(); -} - -QFont QQuickIconLabel::font() const -{ - Q_D(const QQuickIconLabel); - return d->font; -} - -void QQuickIconLabel::setFont(const QFont &font) -{ - Q_D(QQuickIconLabel); - if (d->font == font) - return; - - d->font = font; - if (d->label) - d->label->setFont(font); -} - -QColor QQuickIconLabel::color() const -{ - Q_D(const QQuickIconLabel); - return d->color; -} - -void QQuickIconLabel::setColor(const QColor &color) -{ - Q_D(QQuickIconLabel); - if (d->color == color) - return; - - d->color = color; - if (d->label) - d->label->setColor(color); -} - -QQuickIconLabel::Display QQuickIconLabel::display() const -{ - Q_D(const QQuickIconLabel); - return d->display; -} - -void QQuickIconLabel::setDisplay(Display display) -{ - Q_D(QQuickIconLabel); - if (d->display == display) - return; - - d->display = display; - d->updateImage(); - d->updateLabel(); - d->updateImplicitSize(); - d->layout(); -} - -qreal QQuickIconLabel::spacing() const -{ - Q_D(const QQuickIconLabel); - return d->spacing; -} - -void QQuickIconLabel::setSpacing(qreal spacing) -{ - Q_D(QQuickIconLabel); - if (qFuzzyCompare(d->spacing, spacing)) - return; - - d->spacing = spacing; - if (d->image && d->label) { - d->updateImplicitSize(); - d->layout(); - } -} - -bool QQuickIconLabel::isMirrored() const -{ - Q_D(const QQuickIconLabel); - return d->mirrored; -} - -void QQuickIconLabel::setMirrored(bool mirrored) -{ - Q_D(QQuickIconLabel); - if (d->mirrored == mirrored) - return; - - d->mirrored = mirrored; - d->layout(); -} - -Qt::Alignment QQuickIconLabel::alignment() const -{ - Q_D(const QQuickIconLabel); - return d->alignment; -} - -void QQuickIconLabel::setAlignment(Qt::Alignment alignment) -{ - Q_D(QQuickIconLabel); - const int valign = alignment & Qt::AlignVertical_Mask; - const int halign = alignment & Qt::AlignHorizontal_Mask; - const uint align = (valign ? valign : Qt::AlignVCenter) | (halign ? halign : Qt::AlignHCenter); - if (d->alignment == align) - return; - - d->alignment = static_cast<Qt::Alignment>(align); - if (d->label) { - d->label->setVAlign(static_cast<QQuickText::VAlignment>(valign)); - d->label->setHAlign(static_cast<QQuickText::HAlignment>(halign)); - } - if (d->image) { - d->image->setVerticalAlignment(static_cast<QQuickImage::VAlignment>(valign)); - d->image->setHorizontalAlignment(static_cast<QQuickImage::HAlignment>(halign)); - } - d->layout(); -} - -qreal QQuickIconLabel::topPadding() const -{ - Q_D(const QQuickIconLabel); - return d->topPadding; -} - -void QQuickIconLabel::setTopPadding(qreal padding) -{ - Q_D(QQuickIconLabel); - if (qFuzzyCompare(d->topPadding, padding)) - return; - - d->topPadding = padding; - d->updateImplicitSize(); - d->layout(); -} - -void QQuickIconLabel::resetTopPadding() -{ - setTopPadding(0); -} - -qreal QQuickIconLabel::leftPadding() const -{ - Q_D(const QQuickIconLabel); - return d->leftPadding; -} - -void QQuickIconLabel::setLeftPadding(qreal padding) -{ - Q_D(QQuickIconLabel); - if (qFuzzyCompare(d->leftPadding, padding)) - return; - - d->leftPadding = padding; - d->updateImplicitSize(); - d->layout(); -} - -void QQuickIconLabel::resetLeftPadding() -{ - setLeftPadding(0); -} - -qreal QQuickIconLabel::rightPadding() const -{ - Q_D(const QQuickIconLabel); - return d->rightPadding; -} - -void QQuickIconLabel::setRightPadding(qreal padding) -{ - Q_D(QQuickIconLabel); - if (qFuzzyCompare(d->rightPadding, padding)) - return; - - d->rightPadding = padding; - d->updateImplicitSize(); - d->layout(); -} - -void QQuickIconLabel::resetRightPadding() -{ - setRightPadding(0); -} - -qreal QQuickIconLabel::bottomPadding() const -{ - Q_D(const QQuickIconLabel); - return d->bottomPadding; -} - -void QQuickIconLabel::setBottomPadding(qreal padding) -{ - Q_D(QQuickIconLabel); - if (qFuzzyCompare(d->bottomPadding, padding)) - return; - - d->bottomPadding = padding; - d->updateImplicitSize(); - d->layout(); -} - -void QQuickIconLabel::resetBottomPadding() -{ - setBottomPadding(0); -} - -void QQuickIconLabel::componentComplete() -{ - Q_D(QQuickIconLabel); - if (d->image) - completeComponent(d->image); - if (d->label) - completeComponent(d->label); - QQuickItem::componentComplete(); - d->layout(); -} - -void QQuickIconLabel::geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) -{ - Q_D(QQuickIconLabel); - QQuickItem::geometryChange(newGeometry, oldGeometry); - d->layout(); -} - -QT_END_NAMESPACE |