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Diffstat (limited to 'src/kitemviews/kitemlistcontroller.cpp')
| -rw-r--r-- | src/kitemviews/kitemlistcontroller.cpp | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/src/kitemviews/kitemlistcontroller.cpp b/src/kitemviews/kitemlistcontroller.cpp new file mode 100644 index 000000000..b709e5606 --- /dev/null +++ b/src/kitemviews/kitemlistcontroller.cpp @@ -0,0 +1,281 @@ +/*************************************************************************** + * Copyright (C) 2011 by Peter Penz <[email protected]> * + * * + * 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 * + ***************************************************************************/ + +#include "kitemlistcontroller.h" + +#include "kitemlistview.h" +#include "kitemlistselectionmanager.h" + +#include <QEvent> +#include <QGraphicsSceneEvent> +#include <QTransform> + +#include <KDebug> + +KItemListController::KItemListController(QObject* parent) : + QObject(parent), + m_selectionBehavior(NoSelection), + m_model(0), + m_view(0), + m_selectionManager(new KItemListSelectionManager(this)) +{ +} + +KItemListController::~KItemListController() +{ +} + +void KItemListController::setModel(KItemModelBase* model) +{ + if (m_model == model) { + return; + } + + KItemModelBase* oldModel = m_model; + m_model = model; + + if (m_view) { + m_view->setModel(m_model); + } + + emit modelChanged(m_model, oldModel); +} + +KItemModelBase* KItemListController::model() const +{ + return m_model; +} + +KItemListSelectionManager* KItemListController::selectionManager() const +{ + return m_selectionManager; +} + +void KItemListController::setView(KItemListView* view) +{ + if (m_view == view) { + return; + } + + KItemListView* oldView = m_view; + m_view = view; + + if (m_view) { + m_view->setController(this); + m_view->setModel(m_model); + } + + emit viewChanged(m_view, oldView); +} + +KItemListView* KItemListController::view() const +{ + return m_view; +} + +void KItemListController::setSelectionBehavior(SelectionBehavior behavior) +{ + m_selectionBehavior = behavior; +} + +KItemListController::SelectionBehavior KItemListController::selectionBehavior() const +{ + return m_selectionBehavior; +} + +bool KItemListController::showEvent(QShowEvent* event) +{ + Q_UNUSED(event); + return false; +} + +bool KItemListController::hideEvent(QHideEvent* event) +{ + Q_UNUSED(event); + return false; +} + +bool KItemListController::keyPressEvent(QKeyEvent* event) +{ + Q_UNUSED(event); + return false; +} + +bool KItemListController::inputMethodEvent(QInputMethodEvent* event) +{ + Q_UNUSED(event); + return false; +} + +bool KItemListController::mousePressEvent(QGraphicsSceneMouseEvent* event, const QTransform& transform) +{ + Q_UNUSED(event); + Q_UNUSED(transform); + return false; +} + +bool KItemListController::mouseMoveEvent(QGraphicsSceneMouseEvent* event, const QTransform& transform) +{ + Q_UNUSED(event); + Q_UNUSED(transform); + return false; +} + +bool KItemListController::mouseReleaseEvent(QGraphicsSceneMouseEvent* event, const QTransform& transform) +{ + if (m_view) { + const QPointF pos = transform.map(event->pos()); + const int index = m_view->itemAt(pos); + if (index >= 0) { + bool emitItemClicked = true; + if (event->button() & Qt::LeftButton) { + if (m_view->isAboveExpansionToggle(index, pos)) { + emit itemExpansionToggleClicked(index); + emitItemClicked = false; + } + } + + if (emitItemClicked) { + emit itemClicked(index, event->button()); + } + } + } + + return false; +} + +bool KItemListController::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event, const QTransform& transform) +{ + Q_UNUSED(event); + Q_UNUSED(transform); + return false; +} + +bool KItemListController::dragEnterEvent(QGraphicsSceneDragDropEvent* event, const QTransform& transform) +{ + Q_UNUSED(event); + Q_UNUSED(transform); + return false; +} + +bool KItemListController::dragLeaveEvent(QGraphicsSceneDragDropEvent* event, const QTransform& transform) +{ + Q_UNUSED(event); + Q_UNUSED(transform); + return false; +} + +bool KItemListController::dragMoveEvent(QGraphicsSceneDragDropEvent* event, const QTransform& transform) +{ + Q_UNUSED(event); + Q_UNUSED(transform); + return false; +} + +bool KItemListController::dropEvent(QGraphicsSceneDragDropEvent* event, const QTransform& transform) +{ + Q_UNUSED(event); + Q_UNUSED(transform); + return false; +} + +bool KItemListController::hoverEnterEvent(QGraphicsSceneHoverEvent* event, const QTransform& transform) +{ + Q_UNUSED(event); + Q_UNUSED(transform); + return false; +} + +bool KItemListController::hoverMoveEvent(QGraphicsSceneHoverEvent* event, const QTransform& transform) +{ + Q_UNUSED(event); + Q_UNUSED(transform); + return false; +} + +bool KItemListController::hoverLeaveEvent(QGraphicsSceneHoverEvent* event, const QTransform& transform) +{ + Q_UNUSED(event); + Q_UNUSED(transform); + return false; +} + +bool KItemListController::wheelEvent(QGraphicsSceneWheelEvent* event, const QTransform& transform) +{ + Q_UNUSED(event); + Q_UNUSED(transform); + return false; +} + +bool KItemListController::resizeEvent(QGraphicsSceneResizeEvent* event, const QTransform& transform) +{ + Q_UNUSED(event); + Q_UNUSED(transform); + return false; +} + +bool KItemListController::processEvent(QEvent* event, const QTransform& transform) +{ + if (!event) { + return false; + } + + switch (event->type()) { +// case QEvent::FocusIn: +// case QEvent::FocusOut: +// return focusEvent(static_cast<QFocusEvent*>(event)); + case QEvent::KeyPress: + return keyPressEvent(static_cast<QKeyEvent*>(event)); + case QEvent::InputMethod: + return inputMethodEvent(static_cast<QInputMethodEvent*>(event)); + case QEvent::GraphicsSceneMousePress: + return mousePressEvent(static_cast<QGraphicsSceneMouseEvent*>(event), QTransform()); + case QEvent::GraphicsSceneMouseMove: + return mouseMoveEvent(static_cast<QGraphicsSceneMouseEvent*>(event), QTransform()); + case QEvent::GraphicsSceneMouseRelease: + return mouseReleaseEvent(static_cast<QGraphicsSceneMouseEvent*>(event), QTransform()); + case QEvent::GraphicsSceneWheel: + return wheelEvent(static_cast<QGraphicsSceneWheelEvent*>(event), QTransform()); + case QEvent::GraphicsSceneDragEnter: + return dragEnterEvent(static_cast<QGraphicsSceneDragDropEvent*>(event), QTransform()); + case QEvent::GraphicsSceneDragLeave: + return dragLeaveEvent(static_cast<QGraphicsSceneDragDropEvent*>(event), QTransform()); + case QEvent::GraphicsSceneDragMove: + return dragMoveEvent(static_cast<QGraphicsSceneDragDropEvent*>(event), QTransform()); + case QEvent::GraphicsSceneDrop: + return dropEvent(static_cast<QGraphicsSceneDragDropEvent*>(event), QTransform()); + case QEvent::GraphicsSceneHoverEnter: + return hoverEnterEvent(static_cast<QGraphicsSceneHoverEvent*>(event), QTransform()); + case QEvent::GraphicsSceneHoverMove: + return hoverMoveEvent(static_cast<QGraphicsSceneHoverEvent*>(event), QTransform()); + case QEvent::GraphicsSceneHoverLeave: + return hoverLeaveEvent(static_cast<QGraphicsSceneHoverEvent*>(event), QTransform()); + case QEvent::GraphicsSceneResize: + return resizeEvent(static_cast<QGraphicsSceneResizeEvent*>(event), transform); + default: + break; + } + + return false; +} + +#include "kitemlistcontroller.moc" |