X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/555364c006d24daad0755d949c770f44c47fb614..041d6a4bd8ed2bf74e2a4427a0d2a0d18ed79228:/src/kitemviews/kitemlistcontroller.h diff --git a/src/kitemviews/kitemlistcontroller.h b/src/kitemviews/kitemlistcontroller.h index d0e5f72ec..cdbc5b470 100644 --- a/src/kitemviews/kitemlistcontroller.h +++ b/src/kitemviews/kitemlistcontroller.h @@ -1,51 +1,38 @@ -/*************************************************************************** - * Copyright (C) 2011 by Peter Penz * - * * - * Based on the Itemviews NG project from Trolltech Labs: * - * http://qt.gitorious.org/qt-labs/itemviews-ng * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * - ***************************************************************************/ +/* + * SPDX-FileCopyrightText: 2011 Peter Penz + * + * Based on the Itemviews NG project from Trolltech Labs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ #ifndef KITEMLISTCONTROLLER_H #define KITEMLISTCONTROLLER_H -#include +#include "dolphin_export.h" +#include "kitemset.h" #include -#include #include -#include +#include +class QTimer; class KItemModelBase; class KItemListKeyboardSearchManager; class KItemListSelectionManager; class KItemListView; class KItemListWidget; +class QGestureEvent; class QGraphicsSceneHoverEvent; class QGraphicsSceneDragDropEvent; class QGraphicsSceneMouseEvent; class QGraphicsSceneResizeEvent; class QGraphicsSceneWheelEvent; -class QHideEvent; class QInputMethodEvent; class QKeyEvent; -class QMimeData; -class QShowEvent; +class QTapGesture; class QTransform; +class QTouchEvent; /** * @brief Controls the view, model and selection of an item-list. @@ -57,13 +44,14 @@ class QTransform; * @see KItemModelBase * @see KItemListSelectionManager */ -class LIBDOLPHINPRIVATE_EXPORT KItemListController : public QObject +class DOLPHIN_EXPORT KItemListController : public QObject { Q_OBJECT - Q_ENUMS(SelectionBehavior) Q_PROPERTY(KItemModelBase* model READ model WRITE setModel) Q_PROPERTY(KItemListView *view READ view WRITE setView) Q_PROPERTY(SelectionBehavior selectionBehavior READ selectionBehavior WRITE setSelectionBehavior) + Q_PROPERTY(AutoActivationBehavior autoActivationBehavior READ autoActivationBehavior WRITE setAutoActivationBehavior) + Q_PROPERTY(MouseDoubleClickAction mouseDoubleClickAction READ mouseDoubleClickAction WRITE setMouseDoubleClickAction) public: enum SelectionBehavior { @@ -71,9 +59,25 @@ public: SingleSelection, MultiSelection }; + Q_ENUM(SelectionBehavior) - KItemListController(QObject* parent = 0); - virtual ~KItemListController(); + enum AutoActivationBehavior { + ActivationAndExpansion, + ExpansionOnly + }; + + enum MouseDoubleClickAction { + ActivateAndExpandItem, + ActivateItemOnly + }; + + /** + * @param model Model of the controller. The ownership is passed to the controller. + * @param view View of the controller. The ownership is passed to the controller. + * @param parent Optional parent object. + */ + KItemListController(KItemModelBase* model, KItemListView* view, QObject* parent = nullptr); + ~KItemListController() override; void setModel(KItemModelBase* model); KItemModelBase* model() const; @@ -86,6 +90,14 @@ public: void setSelectionBehavior(SelectionBehavior behavior); SelectionBehavior selectionBehavior() const; + void setAutoActivationBehavior(AutoActivationBehavior behavior); + AutoActivationBehavior autoActivationBehavior() const; + + void setMouseDoubleClickAction(MouseDoubleClickAction action); + MouseDoubleClickAction mouseDoubleClickAction() const; + + int indexCloseToMousePressedPosition() const; + /** * Sets the delay in milliseconds when dragging an object above an item * until the item gets activated automatically. A value of -1 indicates @@ -106,31 +118,13 @@ public: /** * If set to true, the signals itemActivated() and itemsActivated() are emitted - * after a single-click of the left mouse button. If set to false, a double-click - * is required. Per default the setting from KGlobalSettings::singleClick() is - * used. + * after a single-click of the left mouse button. If set to false (the default), + * the setting from style()->styleHint(QStyle::SH_ItemView_ActivateItemOnSingleClick) is used. */ - void setSingleClickActivation(bool singleClick); - bool singleClickActivation() const; - - virtual bool showEvent(QShowEvent* event); - virtual bool hideEvent(QHideEvent* event); - virtual bool keyPressEvent(QKeyEvent* event); - virtual bool inputMethodEvent(QInputMethodEvent* event); - virtual bool mousePressEvent(QGraphicsSceneMouseEvent* event, const QTransform& transform); - virtual bool mouseMoveEvent(QGraphicsSceneMouseEvent* event, const QTransform& transform); - virtual bool mouseReleaseEvent(QGraphicsSceneMouseEvent* event, const QTransform& transform); - virtual bool mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event, const QTransform& transform); - virtual bool dragEnterEvent(QGraphicsSceneDragDropEvent* event, const QTransform& transform); - virtual bool dragLeaveEvent(QGraphicsSceneDragDropEvent* event, const QTransform& transform); - virtual bool dragMoveEvent(QGraphicsSceneDragDropEvent* event, const QTransform& transform); - virtual bool dropEvent(QGraphicsSceneDragDropEvent* event, const QTransform& transform); - virtual bool hoverEnterEvent(QGraphicsSceneHoverEvent* event, const QTransform& transform); - virtual bool hoverMoveEvent(QGraphicsSceneHoverEvent* event, const QTransform& transform); - virtual bool hoverLeaveEvent(QGraphicsSceneHoverEvent* event, const QTransform& transform); - virtual bool wheelEvent(QGraphicsSceneWheelEvent* event, const QTransform& transform); - virtual bool resizeEvent(QGraphicsSceneResizeEvent* event, const QTransform& transform); - virtual bool processEvent(QEvent* event, const QTransform& transform); + void setSingleClickActivationEnforced(bool singleClick); + bool singleClickActivationEnforced() const; + + bool processEvent(QEvent* event, const QTransform& transform); signals: /** @@ -143,7 +137,7 @@ signals: * Is emitted if more than one item has been activated by pressing Return/Enter * when having a selection. */ - void itemsActivated(const QSet& indexes); + void itemsActivated(const KItemSet& indexes); void itemMiddleClicked(int index); @@ -177,14 +171,18 @@ signals: /** * Is emitted if a mouse-button has been pressed above an item. + * If the index is smaller than 0, the mouse-button has been pressed + * above the viewport. */ - void itemPressed(int index, Qt::MouseButton button); + void mouseButtonPressed(int itemIndex, Qt::MouseButtons buttons); /** * Is emitted if a mouse-button has been released above an item. - * It is assured that the signal itemPressed() has been emitted before. + * It is assured that the signal mouseButtonPressed() has been emitted before. + * If the index is smaller than 0, the mouse-button has been pressed + * above the viewport. */ - void itemReleased(int index, Qt::MouseButton button); + void mouseButtonReleased(int itemIndex, Qt::MouseButtons buttons); void itemExpansionToggleClicked(int index); @@ -192,12 +190,36 @@ signals: * Is emitted if a drop event is done above the item with the index * \a index. If \a index is < 0 the drop event is done above an * empty area of the view. + * TODO: Introduce a new signal viewDropEvent(QGraphicsSceneDragDropEvent), + * which is emitted if the drop event occurs on an empty area in + * the view, and make sure that index is always >= 0 in itemDropEvent(). */ void itemDropEvent(int index, QGraphicsSceneDragDropEvent* event); + /** + * Is emitted if a drop event is done between the item with the index + * \a index and the previous item. + */ + void aboveItemDropEvent(int index, QGraphicsSceneDragDropEvent* event); + + /** + * Is emitted if the Escape key is pressed. + */ + void escapePressed(); + void modelChanged(KItemModelBase* current, KItemModelBase* previous); void viewChanged(KItemListView* current, KItemListView* previous); + void selectedItemTextPressed(int index); + + void scrollerStop(); + void increaseZoom(); + void decreaseZoom(); + void swipeUp(); + +public slots: + void slotStateChanged(QScroller::State newState); + private slots: void slotViewScrollOffsetChanged(qreal current, qreal previous); @@ -238,16 +260,16 @@ private: void updateKeyboardAnchor(); /** - * @return Index for the next row based on the current index. - * If there is no next row the current index will be returned. + * @return Index for the next row based on \a index. + * If there is no next row \a index will be returned. */ - int nextRowIndex() const; + int nextRowIndex(int index) const; /** - * @return Index for the previous row based on the current index. - * If there is no previous row the current index will be returned. + * @return Index for the previous row based on \a index. + * If there is no previous row \a index will be returned. */ - int previousRowIndex() const; + int previousRowIndex(int index) const; /** * Helper method for updateKeyboardAnchor(), previousRowIndex() and nextRowIndex(). @@ -257,11 +279,52 @@ private: */ qreal keyboardAnchorPos(int index) const; + /** + * Dependent on the selection-behavior the extendedSelectionRegion-property + * of the KItemListStyleOption from the view should be adjusted: If no + * rubberband selection is used the property should be enabled. + */ + void updateExtendedSelectionRegion(); + + bool keyPressEvent(QKeyEvent* event); + bool inputMethodEvent(QInputMethodEvent* event); + bool mousePressEvent(QGraphicsSceneMouseEvent* event, const QTransform& transform); + bool mouseMoveEvent(QGraphicsSceneMouseEvent* event, const QTransform& transform); + bool mouseReleaseEvent(QGraphicsSceneMouseEvent* event, const QTransform& transform); + bool mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event, const QTransform& transform); + bool dragEnterEvent(QGraphicsSceneDragDropEvent* event, const QTransform& transform); + bool dragLeaveEvent(QGraphicsSceneDragDropEvent* event, const QTransform& transform); + bool dragMoveEvent(QGraphicsSceneDragDropEvent* event, const QTransform& transform); + bool dropEvent(QGraphicsSceneDragDropEvent* event, const QTransform& transform); + bool hoverEnterEvent(QGraphicsSceneHoverEvent* event, const QTransform& transform); + bool hoverMoveEvent(QGraphicsSceneHoverEvent* event, const QTransform& transform); + bool hoverLeaveEvent(QGraphicsSceneHoverEvent* event, const QTransform& transform); + bool wheelEvent(QGraphicsSceneWheelEvent* event, const QTransform& transform); + bool resizeEvent(QGraphicsSceneResizeEvent* event, const QTransform& transform); + bool gestureEvent(QGestureEvent* event, const QTransform& transform); + bool touchBeginEvent(QTouchEvent* event, const QTransform& transform); + void tapTriggered(QTapGesture* tap, const QTransform& transform); + void tapAndHoldTriggered(QGestureEvent* event, const QTransform& transform); + void pinchTriggered(QGestureEvent* event, const QTransform& transform); + void swipeTriggered(QGestureEvent* event, const QTransform& transform); + void twoFingerTapTriggered(QGestureEvent* event, const QTransform& transform); + bool onPress(const QPoint& screenPos, const QPointF& pos, const Qt::KeyboardModifiers modifiers, const Qt::MouseButtons buttons); + bool onRelease(const QPointF& pos, const Qt::KeyboardModifiers modifiers, const Qt::MouseButtons buttons, bool touch); + void startRubberBand(); + private: - bool m_singleClickActivation; + bool m_singleClickActivationEnforced; bool m_selectionTogglePressed; bool m_clearSelectionIfItemsAreNotDragged; + bool m_isSwipeGesture; + bool m_dragActionOrRightClick; + bool m_scrollerIsScrolling; + bool m_pinchGestureInProgress; + bool m_mousePress; + bool m_isTouchEvent; SelectionBehavior m_selectionBehavior; + AutoActivationBehavior m_autoActivationBehavior; + MouseDoubleClickAction m_mouseDoubleClickAction; KItemModelBase* m_model; KItemListView* m_view; KItemListSelectionManager* m_selectionManager; @@ -271,13 +334,16 @@ private: QTimer* m_autoActivationTimer; + Qt::GestureType m_swipeGesture; + Qt::GestureType m_twoFingerTapGesture; + /** * When starting a rubberband selection during a Shift- or Control-key has been * pressed the current selection should never be deleted. To be able to restore * the current selection it is remembered in m_oldSelection before the * rubberband gets activated. */ - QSet m_oldSelection; + KItemSet m_oldSelection; /** * Assuming a view is given with a vertical scroll-orientation, grouped items and