forked from qt-creator/qt-creator
91cda49d7c
The move tool normally does not reparent, but by pressing shift the user can enforce reparenting. In the drag tool we prefer to reparent to layouts. The shoft modifer disables this heuristic. Task-number: QTCREATORBUG-18737 Change-Id: Ic8041aed537619b16b892a791c0d2bc2390af204 Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
407 lines
12 KiB
C++
407 lines
12 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#include "movetool.h"
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#include "formeditorscene.h"
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#include "formeditorview.h"
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#include "formeditorwidget.h"
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#include "formeditorgraphicsview.h"
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#include "resizehandleitem.h"
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#include <QApplication>
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#include <QGraphicsSceneMouseEvent>
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#include <QAction>
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#include <QDebug>
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namespace QmlDesigner {
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MoveTool::MoveTool(FormEditorView *editorView)
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: AbstractFormEditorTool(editorView),
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m_moveManipulator(editorView->scene()->manipulatorLayerItem(), editorView),
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m_selectionIndicator(editorView->scene()->manipulatorLayerItem()),
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m_resizeIndicator(editorView->scene()->manipulatorLayerItem()),
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m_anchorIndicator(editorView->scene()->manipulatorLayerItem()),
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m_bindingIndicator(editorView->scene()->manipulatorLayerItem()),
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m_contentNotEditableIndicator(editorView->scene()->manipulatorLayerItem())
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{
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m_selectionIndicator.setCursor(Qt::SizeAllCursor);
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}
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MoveTool::~MoveTool()
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{
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}
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void MoveTool::clear()
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{
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m_moveManipulator.clear();
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m_movingItems.clear();
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m_selectionIndicator.clear();
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m_resizeIndicator.clear();
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m_anchorIndicator.clear();
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m_bindingIndicator.clear();
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m_contentNotEditableIndicator.clear();
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AbstractFormEditorTool::clear();
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view()->formEditorWidget()->graphicsView()->viewport()->unsetCursor();
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}
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void MoveTool::start()
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{
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view()->formEditorWidget()->graphicsView()->viewport()->setCursor(Qt::SizeAllCursor);
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}
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void MoveTool::mousePressEvent(const QList<QGraphicsItem*> &itemList,
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QGraphicsSceneMouseEvent *event)
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{
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if (event->button() == Qt::LeftButton) {
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if (itemList.isEmpty())
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return;
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m_movingItems = movingItems(items());
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if (m_movingItems.isEmpty())
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return;
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m_moveManipulator.setItems(m_movingItems);
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m_moveManipulator.begin(event->scenePos());
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}
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AbstractFormEditorTool::mousePressEvent(itemList, event);
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}
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void MoveTool::mouseMoveEvent(const QList<QGraphicsItem*> &itemList,
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QGraphicsSceneMouseEvent *event)
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{
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if (m_moveManipulator.isActive()) {
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if (m_movingItems.isEmpty())
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return;
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// m_selectionIndicator.hide();
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m_resizeIndicator.hide();
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m_anchorIndicator.hide();
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m_bindingIndicator.hide();
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FormEditorItem *containerItem = containerFormEditorItem(itemList, m_movingItems);
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if (containerItem && view()->currentState().isBaseState()) {
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if (containerItem != m_movingItems.first()->parentItem()
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&& event->modifiers().testFlag(Qt::ShiftModifier)) {
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FormEditorItem *movingItem = m_movingItems.first();
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if (m_movingItems.count() > 1
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|| (movingItem->qmlItemNode().canBereparentedTo(containerItem->qmlItemNode())))
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m_moveManipulator.reparentTo(containerItem, MoveManipulator::EnforceReparent);
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}
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}
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m_moveManipulator.update(event->scenePos(), generateUseSnapping(event->modifiers()));
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}
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}
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void MoveTool::hoverMoveEvent(const QList<QGraphicsItem*> &itemList,
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QGraphicsSceneMouseEvent * event)
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{
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if (itemList.isEmpty()) {
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view()->changeToSelectionTool();
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return;
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}
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ResizeHandleItem* resizeHandle = ResizeHandleItem::fromGraphicsItem(itemList.first());
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if (resizeHandle) {
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view()->changeToResizeTool();
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return;
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}
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if (view()->hasSingleSelectedModelNode() && selectedItemCursorInMovableArea(event->scenePos()))
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return;
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if (!topSelectedItemIsMovable(itemList)) {
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view()->changeToSelectionTool();
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return;
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}
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if (view()->hasSingleSelectedModelNode()) {
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view()->changeToSelectionTool();
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return;
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}
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if (event->modifiers().testFlag(Qt::ShiftModifier)
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|| event->modifiers().testFlag(Qt::ControlModifier) ) {
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view()->changeToSelectionTool();
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return;
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}
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m_contentNotEditableIndicator.setItems(toFormEditorItemList(itemList));
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}
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void MoveTool::keyPressEvent(QKeyEvent *event)
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{
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switch (event->key()) {
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case Qt::Key_Shift:
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case Qt::Key_Alt:
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case Qt::Key_Control:
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case Qt::Key_AltGr:
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event->setAccepted(false);
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return;
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}
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double moveStep = 1.0;
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if (event->modifiers().testFlag(Qt::ShiftModifier))
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moveStep = 10.0;
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if (!event->isAutoRepeat()) {
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QList<FormEditorItem*> movableItems(movingItems(items()));
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if (movableItems.isEmpty())
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return;
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m_moveManipulator.setItems(movableItems);
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// m_selectionIndicator.hide();
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m_resizeIndicator.hide();
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m_anchorIndicator.hide();
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m_bindingIndicator.hide();
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m_moveManipulator.beginRewriterTransaction();
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}
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switch (event->key()) {
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case Qt::Key_Left: m_moveManipulator.moveBy(-moveStep, 0.0); break;
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case Qt::Key_Right: m_moveManipulator.moveBy(moveStep, 0.0); break;
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case Qt::Key_Up: m_moveManipulator.moveBy(0.0, -moveStep); break;
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case Qt::Key_Down: m_moveManipulator.moveBy(0.0, moveStep); break;
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}
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if (event->key() == Qt::Key_Escape && !m_movingItems.isEmpty()) {
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event->accept();
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view()->changeToSelectionTool();
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}
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}
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void MoveTool::keyReleaseEvent(QKeyEvent *keyEvent)
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{
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switch (keyEvent->key()) {
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case Qt::Key_Shift:
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case Qt::Key_Alt:
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case Qt::Key_Control:
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case Qt::Key_AltGr:
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keyEvent->setAccepted(false);
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return;
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}
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if (!keyEvent->isAutoRepeat()) {
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m_moveManipulator.clear();
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// m_selectionIndicator.show();
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m_resizeIndicator.show();
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m_anchorIndicator.show();
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m_bindingIndicator.show();
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}
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}
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void MoveTool::dragLeaveEvent(const QList<QGraphicsItem*> &/*itemList*/, QGraphicsSceneDragDropEvent * /*event*/)
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{
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}
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void MoveTool::dragMoveEvent(const QList<QGraphicsItem*> &/*itemList*/, QGraphicsSceneDragDropEvent * /*event*/)
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{
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}
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void MoveTool::mouseReleaseEvent(const QList<QGraphicsItem*> &itemList,
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QGraphicsSceneMouseEvent *event)
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{
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if (m_moveManipulator.isActive()) {
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if (m_movingItems.isEmpty())
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return;
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m_moveManipulator.end(generateUseSnapping(event->modifiers()));
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m_selectionIndicator.show();
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m_resizeIndicator.show();
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m_anchorIndicator.show();
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m_bindingIndicator.show();
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m_movingItems.clear();
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}
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AbstractFormEditorTool::mouseReleaseEvent(itemList, event);
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view()->changeToSelectionTool();
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}
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void MoveTool::mouseDoubleClickEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneMouseEvent *event)
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{
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AbstractFormEditorTool::mouseDoubleClickEvent(itemList, event);
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}
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void MoveTool::itemsAboutToRemoved(const QList<FormEditorItem*> &removedItemList)
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{
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foreach (FormEditorItem* removedItem, removedItemList)
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m_movingItems.removeOne(removedItem);
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}
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void MoveTool::selectedItemsChanged(const QList<FormEditorItem*> &itemList)
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{
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m_selectionIndicator.setItems(movingItems(itemList));
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m_resizeIndicator.setItems(itemList);
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m_anchorIndicator.setItems(itemList);
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m_bindingIndicator.setItems(itemList);
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updateMoveManipulator();
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}
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void MoveTool::instancesCompleted(const QList<FormEditorItem*> & /*itemList*/)
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{
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}
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void MoveTool::instancesParentChanged(const QList<FormEditorItem *> &itemList)
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{
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m_moveManipulator.synchronizeInstanceParent(itemList);
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}
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void MoveTool::instancePropertyChange(const QList<QPair<ModelNode, PropertyName> > & /*propertyList*/)
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{
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}
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bool MoveTool::haveSameParent(const QList<FormEditorItem*> &itemList)
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{
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if (itemList.isEmpty())
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return false;
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QGraphicsItem *firstParent = itemList.first()->parentItem();
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foreach (FormEditorItem* item, itemList)
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{
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if (firstParent != item->parentItem())
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return false;
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}
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return true;
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}
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bool MoveTool::isAncestorOfAllItems(FormEditorItem* maybeAncestorItem,
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const QList<FormEditorItem*> &itemList)
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{
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foreach (FormEditorItem* item, itemList)
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{
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if (!maybeAncestorItem->isAncestorOf(item) && item != maybeAncestorItem)
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return false;
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}
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return true;
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}
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FormEditorItem* MoveTool::ancestorIfOtherItemsAreChild(const QList<FormEditorItem*> &itemList)
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{
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if (itemList.isEmpty())
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return 0;
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foreach (FormEditorItem* item, itemList)
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{
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if (isAncestorOfAllItems(item, itemList))
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return item;
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}
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return 0;
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}
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void MoveTool::updateMoveManipulator()
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{
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if (m_moveManipulator.isActive())
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return;
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}
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void MoveTool::beginWithPoint(const QPointF &beginPoint)
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{
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m_movingItems = movingItems(items());
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if (m_movingItems.isEmpty())
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return;
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m_moveManipulator.setItems(m_movingItems);
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m_moveManipulator.begin(beginPoint);
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}
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QList<FormEditorItem*> movalbeItems(const QList<FormEditorItem*> &itemList)
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{
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QList<FormEditorItem*> filteredItemList(itemList);
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QMutableListIterator<FormEditorItem*> listIterator(filteredItemList);
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while (listIterator.hasNext()) {
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FormEditorItem *item = listIterator.next();
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if (!item->qmlItemNode().isValid()
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|| !item->qmlItemNode().instanceIsMovable()
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|| !item->qmlItemNode().modelIsMovable()
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|| item->qmlItemNode().instanceIsInLayoutable())
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listIterator.remove();
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}
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return filteredItemList;
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}
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QList<FormEditorItem*> MoveTool::movingItems(const QList<FormEditorItem*> &selectedItemList)
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{
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QList<FormEditorItem*> filteredItemList = movalbeItems(selectedItemList);
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FormEditorItem* ancestorItem = ancestorIfOtherItemsAreChild(filteredItemList);
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if (ancestorItem != 0 && ancestorItem->qmlItemNode().isRootNode()) {
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// view()->changeToSelectionTool();
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return QList<FormEditorItem*>();
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}
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if (ancestorItem != 0 && ancestorItem->parentItem() != 0) {
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QList<FormEditorItem*> ancestorItemList;
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ancestorItemList.append(ancestorItem);
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return ancestorItemList;
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}
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if (!haveSameParent(filteredItemList)) {
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// view()->changeToSelectionTool();
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return QList<FormEditorItem*>();
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}
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return filteredItemList;
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}
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void MoveTool::formEditorItemsChanged(const QList<FormEditorItem*> &itemList)
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{
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const QList<FormEditorItem*> selectedItemList = filterSelectedModelNodes(itemList);
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m_selectionIndicator.updateItems(selectedItemList);
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m_resizeIndicator.updateItems(selectedItemList);
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m_anchorIndicator.updateItems(selectedItemList);
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m_bindingIndicator.updateItems(selectedItemList);
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m_contentNotEditableIndicator.updateItems(selectedItemList);
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}
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void MoveTool::focusLost()
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{
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}
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}
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