diff options
Diffstat (limited to 'src/designer/src/components/formeditor/tool_widgeteditor.cpp')
| -rw-r--r-- | src/designer/src/components/formeditor/tool_widgeteditor.cpp | 363 |
1 files changed, 363 insertions, 0 deletions
diff --git a/src/designer/src/components/formeditor/tool_widgeteditor.cpp b/src/designer/src/components/formeditor/tool_widgeteditor.cpp new file mode 100644 index 000000000..456967f59 --- /dev/null +++ b/src/designer/src/components/formeditor/tool_widgeteditor.cpp @@ -0,0 +1,363 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt Designer of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "tool_widgeteditor.h" +#include "formwindow.h" + +// sdk +#include <QtDesigner/QDesignerFormEditorInterface> +#include <QtDesigner/QDesignerWidgetFactoryInterface> +#include <QtDesigner/QDesignerWidgetBoxInterface> + +#include <layoutinfo_p.h> +#include <qdesigner_dnditem_p.h> +#include <qdesigner_resource.h> + +#include <QtGui/qevent.h> +#include <QtGui/QAction> +#include <QtGui/QMainWindow> +#include <QtGui/QCursor> +#include <QtCore/qdebug.h> + +QT_BEGIN_NAMESPACE + +using namespace qdesigner_internal; + +WidgetEditorTool::WidgetEditorTool(FormWindow *formWindow) + : QDesignerFormWindowToolInterface(formWindow), + m_formWindow(formWindow), + m_action(new QAction(tr("Edit Widgets"), this)), + m_specialDockDrag(false) +{ +} + +QAction *WidgetEditorTool::action() const +{ + return m_action; +} + +WidgetEditorTool::~WidgetEditorTool() +{ +} + +QDesignerFormEditorInterface *WidgetEditorTool::core() const +{ + return m_formWindow->core(); +} + +QDesignerFormWindowInterface *WidgetEditorTool::formWindow() const +{ + return m_formWindow; +} + +bool WidgetEditorTool::mainWindowSeparatorEvent(QWidget *widget, QEvent *event) +{ + QMainWindow *mw = qobject_cast<QMainWindow*>(widget); + if (mw == 0) + return false; + + if (event->type() != QEvent::MouseButtonPress + && event->type() != QEvent::MouseMove + && event->type() != QEvent::MouseButtonRelease) + return false; + + QMouseEvent *e = static_cast<QMouseEvent*>(event); + + if (event->type() == QEvent::MouseButtonPress) { + if (mw->isSeparator(e->pos())) { + m_separator_drag_mw = mw; + return true; + } + return false; + } + + if (event->type() == QEvent::MouseMove) + return m_separator_drag_mw == mw; + + if (event->type() == QEvent::MouseButtonRelease) { + if (m_separator_drag_mw != mw) + return false; + m_separator_drag_mw = 0; + return true; + } + + return false; +} + +bool WidgetEditorTool::handleEvent(QWidget *widget, QWidget *managedWidget, QEvent *event) +{ + const bool passive = core()->widgetFactory()->isPassiveInteractor(widget) != 0 + || mainWindowSeparatorEvent(widget, event); // separators in QMainWindow + // are no longer widgets + switch (event->type()) { + case QEvent::Resize: + case QEvent::Move: + m_formWindow->updateSelection(widget); + break; + + case QEvent::FocusOut: + case QEvent::FocusIn: // Popup cancelled over a form widget: Reset its focus frame + return !(passive || widget == m_formWindow || widget == m_formWindow->mainContainer()); + + case QEvent::Wheel: // Prevent spinboxes and combos from reacting + return !passive; + + case QEvent::KeyPress: + return !passive && handleKeyPressEvent(widget, managedWidget, static_cast<QKeyEvent*>(event)); + + case QEvent::KeyRelease: + return !passive && handleKeyReleaseEvent(widget, managedWidget, static_cast<QKeyEvent*>(event)); + + case QEvent::MouseMove: + return !passive && handleMouseMoveEvent(widget, managedWidget, static_cast<QMouseEvent*>(event)); + + case QEvent::MouseButtonPress: + return !passive && handleMousePressEvent(widget, managedWidget, static_cast<QMouseEvent*>(event)); + + case QEvent::MouseButtonRelease: + return !passive && handleMouseReleaseEvent(widget, managedWidget, static_cast<QMouseEvent*>(event)); + + case QEvent::MouseButtonDblClick: + return !passive && handleMouseButtonDblClickEvent(widget, managedWidget, static_cast<QMouseEvent*>(event)); + + case QEvent::ContextMenu: + return !passive && handleContextMenu(widget, managedWidget, static_cast<QContextMenuEvent*>(event)); + + case QEvent::DragEnter: + return handleDragEnterMoveEvent(widget, managedWidget, static_cast<QDragEnterEvent *>(event), true); + case QEvent::DragMove: + return handleDragEnterMoveEvent(widget, managedWidget, static_cast<QDragEnterEvent *>(event), false); + case QEvent::DragLeave: + return handleDragLeaveEvent(widget, managedWidget, static_cast<QDragLeaveEvent *>(event)); + case QEvent::Drop: + return handleDropEvent(widget, managedWidget, static_cast<QDropEvent *>(event)); + default: + break; + + } // end switch + + return false; +} + +// ### remove me + +bool WidgetEditorTool::handleContextMenu(QWidget *widget, QWidget *managedWidget, QContextMenuEvent *e) +{ + return m_formWindow->handleContextMenu(widget, managedWidget, e); +} + +bool WidgetEditorTool::handleMouseButtonDblClickEvent(QWidget *widget, QWidget *managedWidget, QMouseEvent *e) +{ + return m_formWindow->handleMouseButtonDblClickEvent(widget, managedWidget, e); +} + +bool WidgetEditorTool::handleMousePressEvent(QWidget *widget, QWidget *managedWidget, QMouseEvent *e) +{ + return m_formWindow->handleMousePressEvent(widget, managedWidget, e); +} + +bool WidgetEditorTool::handleMouseMoveEvent(QWidget *widget, QWidget *managedWidget, QMouseEvent *e) +{ + return m_formWindow->handleMouseMoveEvent(widget, managedWidget, e); +} + +bool WidgetEditorTool::handleMouseReleaseEvent(QWidget *widget, QWidget *managedWidget, QMouseEvent *e) +{ + return m_formWindow->handleMouseReleaseEvent(widget, managedWidget, e); +} + +bool WidgetEditorTool::handleKeyPressEvent(QWidget *widget, QWidget *managedWidget, QKeyEvent *e) +{ + return m_formWindow->handleKeyPressEvent(widget, managedWidget, e); +} + +bool WidgetEditorTool::handleKeyReleaseEvent(QWidget *widget, QWidget *managedWidget, QKeyEvent *e) +{ + return m_formWindow->handleKeyReleaseEvent(widget, managedWidget, e); +} + +bool WidgetEditorTool::handlePaintEvent(QWidget *widget, QWidget *managedWidget, QPaintEvent *e) +{ + Q_UNUSED(widget); + Q_UNUSED(managedWidget); + Q_UNUSED(e); + + return false; +} + +void WidgetEditorTool::detectDockDrag(const QDesignerMimeData *mimeData) +{ + m_specialDockDrag = false; + if (!mimeData) + return; + + QMainWindow *mw = qobject_cast<QMainWindow*>(m_formWindow->mainContainer()); + if (!mw) + return; + + const QList<QDesignerDnDItemInterface*> item_list = mimeData->items(); + + foreach (QDesignerDnDItemInterface *item, item_list) { + if (item->decoration() && item->decoration()->property("_q_dockDrag").toBool()) + m_specialDockDrag = true; + + } +} + +bool WidgetEditorTool::handleDragEnterMoveEvent(QWidget *widget, QWidget * /*managedWidget*/, QDragMoveEvent *e, bool isEnter) +{ + const QDesignerMimeData *mimeData = qobject_cast<const QDesignerMimeData *>(e->mimeData()); + if (!mimeData) + return false; + + if (!m_formWindow->hasFeature(QDesignerFormWindowInterface::EditFeature)) { + e->ignore(); + return true; + } + + if (isEnter) + detectDockDrag(mimeData); + + + QPoint globalPos = QPoint(0, 0); + if (m_specialDockDrag) { + m_lastDropTarget = 0; + QMainWindow *mw = qobject_cast<QMainWindow*>(m_formWindow->mainContainer()); + if (mw) + m_lastDropTarget = mw->centralWidget(); + } else { + // If custom widgets have acceptDrops=true, the event occurs for them + const QPoint formPos = widget != m_formWindow ? widget->mapTo(m_formWindow, e->pos()) : e->pos(); + globalPos = m_formWindow->mapToGlobal(formPos); + const FormWindowBase::WidgetUnderMouseMode wum = mimeData->items().size() == 1 ? FormWindowBase::FindSingleSelectionDropTarget : FormWindowBase::FindMultiSelectionDropTarget; + QWidget *dropTarget = m_formWindow->widgetUnderMouse(formPos, wum); + if (m_lastDropTarget && dropTarget != m_lastDropTarget) + m_formWindow->highlightWidget(m_lastDropTarget, m_lastDropTarget->mapFromGlobal(globalPos), FormWindow::Restore); + m_lastDropTarget = dropTarget; + } + + if (m_lastDropTarget) + m_formWindow->highlightWidget(m_lastDropTarget, m_lastDropTarget->mapFromGlobal(globalPos), FormWindow::Highlight); + + if (isEnter || m_lastDropTarget) + mimeData->acceptEvent(e); + else + e->ignore(); + return true; +} + +bool WidgetEditorTool::handleDropEvent(QWidget *widget, QWidget *, QDropEvent *e) +{ + const QDesignerMimeData *mimeData = qobject_cast<const QDesignerMimeData *>(e->mimeData()); + if (!mimeData) + return false; + + if (!m_lastDropTarget || + !m_formWindow->hasFeature(QDesignerFormWindowInterface::EditFeature)) { + e->ignore(); + return true; + } + // FormWindow determines the position from the decoration. + const QPoint globalPos = widget->mapToGlobal(e->pos()); + mimeData->moveDecoration(globalPos); + if (m_specialDockDrag) { + if (!m_formWindow->dropDockWidget(mimeData->items().at(0), globalPos)) { + e->ignore(); + return true; + } + } else if (!m_formWindow->dropWidgets(mimeData->items(), m_lastDropTarget, globalPos)) { + e->ignore(); + return true; + } + mimeData->acceptEvent(e); + return true; +} + +bool WidgetEditorTool::restoreDropHighlighting() +{ + if (!m_lastDropTarget) + return false; + + m_formWindow->highlightWidget(m_lastDropTarget, m_lastDropTarget->mapFromGlobal(QCursor::pos()), FormWindow::Restore); + m_lastDropTarget = 0; + return true; +} + +bool WidgetEditorTool::handleDragLeaveEvent(QWidget *, QWidget *, QDragLeaveEvent *event) +{ + if (restoreDropHighlighting()) { + event->accept(); + return true; + } + return false; +} + +QWidget *WidgetEditorTool::editor() const +{ + Q_ASSERT(formWindow() != 0); + return formWindow()->mainContainer(); +} + +void WidgetEditorTool::activated() +{ + if (core()->widgetBox()) + core()->widgetBox()->setEnabled(true); + + if (m_formWindow == 0) + return; + + QList<QWidget*> sel = m_formWindow->selectedWidgets(); + foreach (QWidget *w, sel) + m_formWindow->raiseSelection(w); +} + +void WidgetEditorTool::deactivated() +{ + if (core()->widgetBox()) + core()->widgetBox()->setEnabled(false); + + if (m_formWindow == 0) + return; + + m_formWindow->clearSelection(); +} + +QT_END_NAMESPACE |