1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of Qt Creator. 7 ** 8 ** Commercial License Usage 9 ** Licensees holding valid commercial Qt licenses may use this file in 10 ** accordance with the commercial license agreement provided with the 11 ** Software or, alternatively, in accordance with the terms contained in 12 ** a written agreement between you and The Qt Company. For licensing terms 13 ** and conditions see https://www.qt.io/terms-conditions. For further 14 ** information use the contact form at https://www.qt.io/contact-us. 15 ** 16 ** GNU General Public License Usage 17 ** Alternatively, this file may be used under the terms of the GNU 18 ** General Public License version 3 as published by the Free Software 19 ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT 20 ** included in the packaging of this file. Please review the following 21 ** information to ensure the GNU General Public License requirements will 22 ** be met: https://www.gnu.org/licenses/gpl-3.0.html. 23 ** 24 ****************************************************************************/ 25 #pragma once 26 27 #include "formeditoritem.h" 28 29 #include <qmldesignercorelib_global.h> 30 31 #include "snapper.h" 32 33 QT_BEGIN_NAMESPACE 34 class QGraphicsItem; 35 QT_END_NAMESPACE 36 37 namespace QmlDesigner { 38 39 class FormEditorView; 40 41 class QMLDESIGNERCORE_EXPORT AbstractFormEditorTool 42 { 43 friend FormEditorView; 44 45 public: 46 AbstractFormEditorTool(FormEditorView* view); 47 48 virtual ~AbstractFormEditorTool(); 49 50 virtual void mousePressEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneMouseEvent *event); 51 virtual void mouseMoveEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneMouseEvent *event) = 0; 52 virtual void mouseReleaseEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneMouseEvent *event); 53 virtual void mouseDoubleClickEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneMouseEvent *event); 54 55 virtual void hoverMoveEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneMouseEvent *event) = 0; 56 57 virtual void dropEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneDragDropEvent *event); 58 virtual void dragEnterEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneDragDropEvent *event); 59 virtual void dragLeaveEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneDragDropEvent *event) = 0; 60 virtual void dragMoveEvent(const QList<QGraphicsItem*> &itemList, QGraphicsSceneDragDropEvent *event) = 0; 61 62 virtual void keyPressEvent(QKeyEvent *event) = 0; 63 virtual void keyReleaseEvent(QKeyEvent *keyEvent) = 0; 64 65 virtual void itemsAboutToRemoved(const QList<FormEditorItem*> &itemList) = 0; 66 // virtual QVariant itemChange(QList<QGraphicsItem*> itemList, 67 // QGraphicsItem::GraphicsItemChange change, 68 // const QVariant &value ) = 0; 69 // virtual void update() = 0; 70 virtual void clear(); 71 virtual void start(); 72 73 virtual void formEditorItemsChanged(const QList<FormEditorItem*> &itemList) = 0; 74 75 virtual void instancesCompleted(const QList<FormEditorItem*> &itemList) = 0; 76 virtual void instancesParentChanged(const QList<FormEditorItem*> &itemList) = 0; 77 virtual void instancePropertyChange(const QList<QPair<ModelNode, PropertyName> > &propertyList) = 0; 78 79 virtual void focusLost() = 0; 80 81 void setItems(const QList<FormEditorItem*> &itemList); 82 QList<FormEditorItem*> items() const; 83 84 static QList<FormEditorItem*> toFormEditorItemList(const QList<QGraphicsItem*> &itemList); 85 static QGraphicsItem* topMovableGraphicsItem(const QList<QGraphicsItem*> &itemList); 86 static FormEditorItem* topMovableFormEditorItem(const QList<QGraphicsItem*> &itemList, bool selectOnlyContentItems); 87 bool topItemIsMovable(const QList<QGraphicsItem*> &itemList); 88 bool topSelectedItemIsMovable(const QList<QGraphicsItem*> &itemList); 89 bool selectedItemCursorInMovableArea(const QPointF &pos); 90 bool topItemIsResizeHandle(const QList<QGraphicsItem*> &itemList); 91 92 QList<FormEditorItem*> filterSelectedModelNodes(const QList<FormEditorItem*> &itemList) const; 93 94 FormEditorItem *nearestFormEditorItem(const QPointF &point, const QList<QGraphicsItem *> &itemList); 95 96 protected: 97 virtual void selectedItemsChanged(const QList<FormEditorItem*> &itemList) = 0; 98 virtual void showContextMenu(QGraphicsSceneMouseEvent *event); 99 Snapper::Snapping generateUseSnapping(Qt::KeyboardModifiers keyboardModifier) const; 100 FormEditorItem *containerFormEditorItem(const QList<QGraphicsItem*> &itemUnderMouseList, const QList<FormEditorItem*> &selectedItemList) const; 101 102 FormEditorView *view() const; 103 void setView(FormEditorView *view); 104 FormEditorScene* scene() const; 105 private: 106 FormEditorView *m_view; 107 QList<FormEditorItem*> m_itemList; 108 }; 109 110 } // namespace QmlDesigner 111