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Diffstat (limited to 'src/quicktemplates2/qquickpopuppositioner.cpp')
| -rw-r--r-- | src/quicktemplates2/qquickpopuppositioner.cpp | 310 |
1 files changed, 0 insertions, 310 deletions
diff --git a/src/quicktemplates2/qquickpopuppositioner.cpp b/src/quicktemplates2/qquickpopuppositioner.cpp deleted file mode 100644 index 1bfaafbe..00000000 --- a/src/quicktemplates2/qquickpopuppositioner.cpp +++ /dev/null @@ -1,310 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2017 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 "qquickoverlay_p.h" -#include "qquickpopuppositioner_p_p.h" -#include "qquickpopupanchors_p.h" -#include "qquickpopupitem_p_p.h" -#include "qquickpopup_p_p.h" - -#include <QtQml/qqmlinfo.h> -#include <QtQuick/private/qquickitem_p.h> - -QT_BEGIN_NAMESPACE - -static const QQuickItemPrivate::ChangeTypes AncestorChangeTypes = QQuickItemPrivate::Geometry - | QQuickItemPrivate::Parent - | QQuickItemPrivate::Children; - -static const QQuickItemPrivate::ChangeTypes ItemChangeTypes = QQuickItemPrivate::Geometry - | QQuickItemPrivate::Parent; - -QQuickPopupPositioner::QQuickPopupPositioner(QQuickPopup *popup) - : m_popup(popup) -{ -} - -QQuickPopupPositioner::~QQuickPopupPositioner() -{ - if (m_parentItem) { - QQuickItemPrivate::get(m_parentItem)->removeItemChangeListener(this, ItemChangeTypes); - removeAncestorListeners(m_parentItem->parentItem()); - } -} - -QQuickPopup *QQuickPopupPositioner::popup() const -{ - return m_popup; -} - -QQuickItem *QQuickPopupPositioner::parentItem() const -{ - return m_parentItem; -} - -void QQuickPopupPositioner::setParentItem(QQuickItem *parent) -{ - if (m_parentItem == parent) - return; - - if (m_parentItem) { - QQuickItemPrivate::get(m_parentItem)->removeItemChangeListener(this, ItemChangeTypes); - removeAncestorListeners(m_parentItem->parentItem()); - } - - m_parentItem = parent; - - if (!parent) - return; - - QQuickItemPrivate::get(parent)->addItemChangeListener(this, ItemChangeTypes); - addAncestorListeners(parent->parentItem()); - // Store the scale property so the end result of any transition that could effect the scale - // does not influence the top left of the final popup, so it doesn't appear to flip from one - // position to another as a result - m_popupScale = m_popup->popupItem()->scale(); - if (m_popup->popupItem()->isVisible()) - QQuickPopupPrivate::get(m_popup)->reposition(); -} - -void QQuickPopupPositioner::reposition() -{ - QQuickItem *popupItem = m_popup->popupItem(); - if (!popupItem->isVisible()) - return; - - if (m_positioning) { - popupItem->polish(); - return; - } - - const qreal w = popupItem->width() * m_popupScale; - const qreal h = popupItem->height() * m_popupScale; - const qreal iw = popupItem->implicitWidth() * m_popupScale; - const qreal ih = popupItem->implicitHeight() * m_popupScale; - - bool widthAdjusted = false; - bool heightAdjusted = false; - QQuickPopupPrivate *p = QQuickPopupPrivate::get(m_popup); - - const QQuickItem *centerInParent = p->anchors ? p->getAnchors()->centerIn() : nullptr; - const QQuickOverlay *centerInOverlay = qobject_cast<const QQuickOverlay*>(centerInParent); - QRectF rect(!centerInParent ? p->allowHorizontalMove ? p->x : popupItem->x() : 0, - !centerInParent ? p->allowVerticalMove ? p->y : popupItem->y() : 0, - !p->hasWidth && iw > 0 ? iw : w, - !p->hasHeight && ih > 0 ? ih : h); - if (m_parentItem) { - // m_parentItem is the parent that the popup should open in, - // and popupItem()->parentItem() is the overlay, so the mapToItem() calls below - // effectively map the rect to scene coordinates. - if (centerInParent) { - if (centerInParent != parentItem() && !centerInOverlay) { - qmlWarning(m_popup) << "Popup can only be centered within its immediate parent or Overlay.overlay"; - return; - } - - if (centerInOverlay) { - rect.moveCenter(QPointF(qRound(centerInOverlay->width() / 2.0), qRound(centerInOverlay->height() / 2.0))); - } else { - const QPointF parentItemCenter = QPointF(qRound(m_parentItem->width() / 2), qRound(m_parentItem->height() / 2)); - rect.moveCenter(m_parentItem->mapToItem(popupItem->parentItem(), parentItemCenter)); - } - } else { - rect.moveTopLeft(m_parentItem->mapToItem(popupItem->parentItem(), rect.topLeft())); - } - - if (p->window) { - const QMarginsF margins = p->getMargins(); - QRectF bounds(qMax<qreal>(0.0, margins.left()), - qMax<qreal>(0.0, margins.top()), - p->window->width() - qMax<qreal>(0.0, margins.left()) - qMax<qreal>(0.0, margins.right()), - p->window->height() - qMax<qreal>(0.0, margins.top()) - qMax<qreal>(0.0, margins.bottom())); - if (p->window->contentOrientation() == Qt::LandscapeOrientation || p->window->contentOrientation() == Qt::InvertedLandscapeOrientation) - bounds = bounds.transposed(); - - // if the popup doesn't fit horizontally inside the window, try flipping it around (left <-> right) - if (p->allowHorizontalFlip && (rect.left() < bounds.left() || rect.right() > bounds.right())) { - const QRectF flipped(m_parentItem->mapToScene(QPointF(m_parentItem->width() - p->x - rect.width(), p->y)), rect.size()); - if (flipped.intersected(bounds).width() > rect.intersected(bounds).width()) - rect.moveLeft(flipped.left()); - } - - // if the popup doesn't fit vertically inside the window, try flipping it around (above <-> below) - if (p->allowVerticalFlip && (rect.top() < bounds.top() || rect.bottom() > bounds.bottom())) { - const QRectF flipped(m_parentItem->mapToScene(QPointF(p->x, m_parentItem->height() - p->y - rect.height())), rect.size()); - if (flipped.intersected(bounds).height() > rect.intersected(bounds).height()) - rect.moveTop(flipped.top()); - } - - // push inside the margins if specified - if (p->allowVerticalMove) { - if (margins.top() >= 0 && rect.top() < bounds.top()) - rect.moveTop(margins.top()); - if (margins.bottom() >= 0 && rect.bottom() > bounds.bottom()) - rect.moveBottom(bounds.bottom()); - } - if (p->allowHorizontalMove) { - if (margins.left() >= 0 && rect.left() < bounds.left()) - rect.moveLeft(margins.left()); - if (margins.right() >= 0 && rect.right() > bounds.right()) - rect.moveRight(bounds.right()); - } - - if (iw > 0 && (rect.left() < bounds.left() || rect.right() > bounds.right())) { - // neither the flipped or pushed geometry fits inside the window, choose - // whichever side (left vs. right) fits larger part of the popup - if (p->allowHorizontalMove && p->allowHorizontalFlip) { - if (rect.left() < bounds.left() && bounds.left() + rect.width() <= bounds.right()) - rect.moveLeft(bounds.left()); - else if (rect.right() > bounds.right() && bounds.right() - rect.width() >= bounds.left()) - rect.moveRight(bounds.right()); - } - - // as a last resort, adjust the width to fit the window - if (p->allowHorizontalResize) { - if (rect.left() < bounds.left()) { - rect.setLeft(bounds.left()); - widthAdjusted = true; - } - if (rect.right() > bounds.right()) { - rect.setRight(bounds.right()); - widthAdjusted = true; - } - } - } else if (iw > 0 && rect.left() >= bounds.left() && rect.right() <= bounds.right() - && iw != w) { - // restore original width - rect.setWidth(iw); - widthAdjusted = true; - } - - if (ih > 0 && (rect.top() < bounds.top() || rect.bottom() > bounds.bottom())) { - // neither the flipped or pushed geometry fits inside the window, choose - // whichever side (above vs. below) fits larger part of the popup - if (p->allowVerticalMove && p->allowVerticalFlip) { - if (rect.top() < bounds.top() && bounds.top() + rect.height() <= bounds.bottom()) - rect.moveTop(bounds.top()); - else if (rect.bottom() > bounds.bottom() && bounds.bottom() - rect.height() >= bounds.top()) - rect.moveBottom(bounds.bottom()); - } - - // as a last resort, adjust the height to fit the window - if (p->allowVerticalResize) { - if (rect.top() < bounds.top()) { - rect.setTop(bounds.top()); - heightAdjusted = true; - } - if (rect.bottom() > bounds.bottom()) { - rect.setBottom(bounds.bottom()); - heightAdjusted = true; - } - } - } else if (ih > 0 && rect.top() >= bounds.top() && rect.bottom() <= bounds.bottom() - && ih != h) { - // restore original height - rect.setHeight(ih); - heightAdjusted = true; - } - } - } - - m_positioning = true; - - popupItem->setPosition(rect.topLeft()); - - // If the popup was assigned a parent, rect will be in scene coordinates, - // so we need to map its top left back to item coordinates. - // However, if centering within the overlay, the coordinates will be relative - // to the window, so we don't need to do anything. - const QPointF effectivePos = m_parentItem && !centerInOverlay ? m_parentItem->mapFromScene(rect.topLeft()) : rect.topLeft(); - if (!qFuzzyCompare(p->effectiveX, effectivePos.x())) { - p->effectiveX = effectivePos.x(); - emit m_popup->xChanged(); - } - if (!qFuzzyCompare(p->effectiveY, effectivePos.y())) { - p->effectiveY = effectivePos.y(); - emit m_popup->yChanged(); - } - - if (!p->hasWidth && widthAdjusted && rect.width() > 0) - popupItem->setWidth(rect.width() / m_popupScale); - if (!p->hasHeight && heightAdjusted && rect.height() > 0) - popupItem->setHeight(rect.height() / m_popupScale); - m_positioning = false; -} - -void QQuickPopupPositioner::itemGeometryChanged(QQuickItem *, QQuickGeometryChange, const QRectF &) -{ - if (m_parentItem && m_popup->popupItem()->isVisible()) - QQuickPopupPrivate::get(m_popup)->reposition(); -} - -void QQuickPopupPositioner::itemParentChanged(QQuickItem *, QQuickItem *parent) -{ - addAncestorListeners(parent); -} - -void QQuickPopupPositioner::itemChildRemoved(QQuickItem *item, QQuickItem *child) -{ - if (child == m_parentItem || child->isAncestorOf(m_parentItem)) - removeAncestorListeners(item); -} - -void QQuickPopupPositioner::removeAncestorListeners(QQuickItem *item) -{ - if (item == m_parentItem) - return; - - QQuickItem *p = item; - while (p) { - QQuickItemPrivate::get(p)->removeItemChangeListener(this, AncestorChangeTypes); - p = p->parentItem(); - } -} - -void QQuickPopupPositioner::addAncestorListeners(QQuickItem *item) -{ - if (item == m_parentItem) - return; - - QQuickItem *p = item; - while (p) { - QQuickItemPrivate::get(p)->updateOrAddItemChangeListener(this, AncestorChangeTypes); - p = p->parentItem(); - } -} - -QT_END_NAMESPACE |