/**************************************************************************** ** ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of a Qt Solutions component. ** ** You may use this file under the terms of the BSD license as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor ** the names of its contributors may be used to endorse or promote ** products derived from this software without specific prior written ** permission. ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ****************************************************************************/ #include "qttreepropertybrowser.h" #include #include #include #include #include #include #include #include #include #include #include #if QT_VERSION >= 0x040400 QT_BEGIN_NAMESPACE #endif class QtPropertyEditorView; class QtTreePropertyBrowserPrivate { QtTreePropertyBrowser *q_ptr; Q_DECLARE_PUBLIC(QtTreePropertyBrowser) public: QtTreePropertyBrowserPrivate(); void init(QWidget *parent); void propertyInserted(QtBrowserItem *index, QtBrowserItem *afterIndex); void propertyRemoved(QtBrowserItem *index); void propertyChanged(QtBrowserItem *index); QWidget *createEditor(QtProperty *property, QWidget *parent) const { return q_ptr->createEditor(property, parent); } QtProperty *indexToProperty(const QModelIndex &index) const; QTreeWidgetItem *indexToItem(const QModelIndex &index) const; QtBrowserItem *indexToBrowserItem(const QModelIndex &index) const; QtBrowserItem *itemToBrowserItem(QTreeWidgetItem *item) const { return m_itemToIndex.value(item); }; bool lastColumn(int column) const; void disableItem(QTreeWidgetItem *item) const; void enableItem(QTreeWidgetItem *item) const; bool hasValue(QTreeWidgetItem *item) const; void slotCollapsed(const QModelIndex &index); void slotExpanded(const QModelIndex &index); void onHoverPropertyChanged(QtBrowserItem *item); QColor calculatedBackgroundColor(QtBrowserItem *item) const; QtPropertyEditorView *treeWidget() const { return m_treeWidget; } bool markPropertiesWithoutValue() const { return m_markPropertiesWithoutValue; } QtBrowserItem *currentItem() const; void setCurrentItem(QtBrowserItem *browserItem, bool block); void editItem(QtBrowserItem *browserItem); void slotCurrentBrowserItemChanged(QtBrowserItem *item); void slotCurrentTreeItemChanged(QTreeWidgetItem *newItem, QTreeWidgetItem *); QTreeWidgetItem *editedItem() const; private: void updateItem(QTreeWidgetItem *item); QMap m_indexToItem; QMap m_itemToIndex; QMap m_indexToBackgroundColor; QtPropertyEditorView *m_treeWidget; bool m_headerVisible; QtTreePropertyBrowser::ResizeMode m_resizeMode; class QtPropertyEditorDelegate *m_delegate; bool m_markPropertiesWithoutValue; bool m_browserChangedBlocked; QIcon m_expandIcon; }; // ------------ QtPropertyEditorView class QtPropertyEditorView : public QTreeWidget { Q_OBJECT public: QtPropertyEditorView(QWidget *parent = 0); void setEditorPrivate(QtTreePropertyBrowserPrivate *editorPrivate) { m_editorPrivate = editorPrivate; } QTreeWidgetItem *indexToItem(const QModelIndex &index) const { return itemFromIndex(index); } protected: void mouseMoveEvent(QMouseEvent *event) override; void leaveEvent(QEvent *event) override; void keyPressEvent(QKeyEvent *event); void mousePressEvent(QMouseEvent *event); void drawRow(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const; Q_SIGNALS: void hoverPropertyChanged(QtBrowserItem *item); private: QtTreePropertyBrowserPrivate *m_editorPrivate; QModelIndex current; }; QtPropertyEditorView::QtPropertyEditorView(QWidget *parent) : QTreeWidget(parent), m_editorPrivate(0) { connect(header(), SIGNAL(sectionDoubleClicked(int)), this, SLOT(resizeColumnToContents(int))); } void QtPropertyEditorView::drawRow(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const { QStyleOptionViewItem opt = option; bool hasValue = true; if (m_editorPrivate) { QtProperty *property = m_editorPrivate->indexToProperty(index); if (property) hasValue = property->hasValue(); } if (!hasValue && m_editorPrivate->markPropertiesWithoutValue()) { const QColor c = option.palette.color(QPalette::Dark); painter->fillRect(option.rect, c); opt.palette.setColor(QPalette::AlternateBase, c); } else { const QColor c = m_editorPrivate->calculatedBackgroundColor(m_editorPrivate->indexToBrowserItem(index)); if (c.isValid()) { painter->fillRect(option.rect, c); opt.palette.setColor(QPalette::AlternateBase, c.lighter(112)); } } QTreeWidget::drawRow(painter, opt, index); QColor color = static_cast(QApplication::style()->styleHint(QStyle::SH_Table_GridLineColor, &opt)); painter->save(); painter->setPen(QPen(color)); painter->drawLine(opt.rect.x(), opt.rect.bottom(), opt.rect.right(), opt.rect.bottom()); painter->restore(); } void QtPropertyEditorView::mouseMoveEvent(QMouseEvent *event) { QModelIndex index = indexAt(event->pos()); if (index!=current) { current = index; Q_EMIT hoverPropertyChanged(m_editorPrivate->indexToBrowserItem(index)); } QTreeWidget::mouseMoveEvent(event); } void QtPropertyEditorView::leaveEvent(QEvent *event) { Q_EMIT hoverPropertyChanged(nullptr); } void QtPropertyEditorView::keyPressEvent(QKeyEvent *event) { switch (event->key()) { case Qt::Key_Return: case Qt::Key_Enter: case Qt::Key_Space: // Trigger Edit if (!m_editorPrivate->editedItem()) if (const QTreeWidgetItem *item = currentItem()) if (item->columnCount() >= 2 && ((item->flags() & (Qt::ItemIsEditable | Qt::ItemIsEnabled)) == (Qt::ItemIsEditable | Qt::ItemIsEnabled))) { event->accept(); // If the current position is at column 0, move to 1. QModelIndex index = currentIndex(); if (index.column() == 0) { index = index.sibling(index.row(), 1); setCurrentIndex(index); } edit(index); return; } break; default: break; } QTreeWidget::keyPressEvent(event); } void QtPropertyEditorView::mousePressEvent(QMouseEvent *event) { QTreeWidget::mousePressEvent(event); QTreeWidgetItem *item = itemAt(event->pos()); if (item) { if ((item != m_editorPrivate->editedItem()) && (event->button() == Qt::LeftButton) && (header()->logicalIndexAt(event->pos().x()) == 1) && ((item->flags() & (Qt::ItemIsEditable | Qt::ItemIsEnabled)) == (Qt::ItemIsEditable | Qt::ItemIsEnabled))) { editItem(item, 1); } else if (!m_editorPrivate->hasValue(item) && m_editorPrivate->markPropertiesWithoutValue() && !rootIsDecorated()) { if (event->pos().x() + header()->offset() < 20) item->setExpanded(!item->isExpanded()); } } } // ------------ QtPropertyEditorDelegate class QtPropertyEditorDelegate : public QItemDelegate { Q_OBJECT public: QtPropertyEditorDelegate(QObject *parent = 0) : QItemDelegate(parent), m_editorPrivate(0), m_editedItem(0), m_editedWidget(0), m_disablePainting(false) {} void setEditorPrivate(QtTreePropertyBrowserPrivate *editorPrivate) { m_editorPrivate = editorPrivate; } QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const; void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const; void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const; QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const; void setModelData(QWidget *, QAbstractItemModel *, const QModelIndex &) const {} void setEditorData(QWidget *, const QModelIndex &) const {} bool eventFilter(QObject *object, QEvent *event); void closeEditor(QtProperty *property); QTreeWidgetItem *editedItem() const { return m_editedItem; } protected: void drawDecoration(QPainter *painter, const QStyleOptionViewItem &option, const QRect &rect, const QPixmap &pixmap) const; void drawDisplay(QPainter *painter, const QStyleOptionViewItem &option, const QRect &rect, const QString &text) const; private slots: void slotEditorDestroyed(QObject *object); private: int indentation(const QModelIndex &index) const; typedef QMap EditorToPropertyMap; mutable EditorToPropertyMap m_editorToProperty; typedef QMap PropertyToEditorMap; mutable PropertyToEditorMap m_propertyToEditor; QtTreePropertyBrowserPrivate *m_editorPrivate; mutable QTreeWidgetItem *m_editedItem; mutable QWidget *m_editedWidget; mutable bool m_disablePainting; }; int QtPropertyEditorDelegate::indentation(const QModelIndex &index) const { if (!m_editorPrivate) return 0; QTreeWidgetItem *item = m_editorPrivate->indexToItem(index); int indent = 0; while (item->parent()) { item = item->parent(); ++indent; } if (m_editorPrivate->treeWidget()->rootIsDecorated()) ++indent; return indent * m_editorPrivate->treeWidget()->indentation(); } void QtPropertyEditorDelegate::slotEditorDestroyed(QObject *object) { if (QWidget *w = qobject_cast(object)) { const EditorToPropertyMap::iterator it = m_editorToProperty.find(w); if (it != m_editorToProperty.end()) { m_propertyToEditor.remove(it.value()); m_editorToProperty.erase(it); } if (m_editedWidget == w) { m_editedWidget = 0; m_editedItem = 0; } } } void QtPropertyEditorDelegate::closeEditor(QtProperty *property) { if (QWidget *w = m_propertyToEditor.value(property, 0)) w->deleteLater(); } QWidget *QtPropertyEditorDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &, const QModelIndex &index) const { if (index.column() == 1 && m_editorPrivate) { QtProperty *property = m_editorPrivate->indexToProperty(index); QTreeWidgetItem *item = m_editorPrivate->indexToItem(index); if (property && item && (item->flags() & Qt::ItemIsEnabled)) { QWidget *editor = m_editorPrivate->createEditor(property, parent); if (editor) { editor->setAutoFillBackground(true); editor->installEventFilter(const_cast(this)); connect(editor, SIGNAL(destroyed(QObject *)), this, SLOT(slotEditorDestroyed(QObject *))); m_propertyToEditor[property] = editor; m_editorToProperty[editor] = property; m_editedItem = item; m_editedWidget = editor; } return editor; } } return 0; } void QtPropertyEditorDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const { Q_UNUSED(index) editor->setGeometry(option.rect.adjusted(0, 0, 0, -1)); } void QtPropertyEditorDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const { bool hasValue = true; if (m_editorPrivate) { QtProperty *property = m_editorPrivate->indexToProperty(index); if (property) hasValue = property->hasValue(); } QStyleOptionViewItem opt = option; if ((m_editorPrivate && index.column() == 0) || !hasValue) { QtProperty *property = m_editorPrivate->indexToProperty(index); if (property && property->isModified()) { opt.font.setBold(true); opt.fontMetrics = QFontMetrics(opt.font); } } QColor c; if (!hasValue && m_editorPrivate->markPropertiesWithoutValue()) { c = opt.palette.color(QPalette::Dark); opt.palette.setColor(QPalette::Text, opt.palette.color(QPalette::BrightText)); } else { c = m_editorPrivate->calculatedBackgroundColor(m_editorPrivate->indexToBrowserItem(index)); if (c.isValid() && (opt.features & QStyleOptionViewItemV2::Alternate)) c = c.lighter(112); } if (c.isValid()) painter->fillRect(option.rect, c); opt.state &= ~QStyle::State_HasFocus; if (index.column() == 1) { QTreeWidgetItem *item = m_editorPrivate->indexToItem(index); if (m_editedItem && m_editedItem == item) m_disablePainting = true; } QItemDelegate::paint(painter, opt, index); m_disablePainting = false; opt.palette.setCurrentColorGroup(QPalette::Active); QColor color = static_cast(QApplication::style()->styleHint(QStyle::SH_Table_GridLineColor, &opt)); painter->save(); painter->setPen(QPen(color)); if (!m_editorPrivate || (!m_editorPrivate->lastColumn(index.column()) && hasValue)) { int right = (option.direction == Qt::LeftToRight) ? option.rect.right() : option.rect.left(); painter->drawLine(right, option.rect.y(), right, option.rect.bottom()); } painter->restore(); } void QtPropertyEditorDelegate::drawDecoration(QPainter *painter, const QStyleOptionViewItem &option, const QRect &rect, const QPixmap &pixmap) const { if (m_disablePainting) return; QItemDelegate::drawDecoration(painter, option, rect, pixmap); } void QtPropertyEditorDelegate::drawDisplay(QPainter *painter, const QStyleOptionViewItem &option, const QRect &rect, const QString &text) const { if (m_disablePainting) return; QItemDelegate::drawDisplay(painter, option, rect, text); } QSize QtPropertyEditorDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const { return QItemDelegate::sizeHint(option, index) + QSize(3, 4); } bool QtPropertyEditorDelegate::eventFilter(QObject *object, QEvent *event) { if (event->type() == QEvent::FocusOut) { QFocusEvent *fe = static_cast(event); if (fe->reason() == Qt::ActiveWindowFocusReason) return false; } return QItemDelegate::eventFilter(object, event); } // -------- QtTreePropertyBrowserPrivate implementation QtTreePropertyBrowserPrivate::QtTreePropertyBrowserPrivate() : m_treeWidget(0), m_headerVisible(true), m_resizeMode(QtTreePropertyBrowser::Stretch), m_delegate(0), m_markPropertiesWithoutValue(false), m_browserChangedBlocked(false) { } // Draw an icon indicating opened/closing branches static QIcon drawIndicatorIcon(const QPalette &palette, QStyle *style) { QPixmap pix(14, 14); pix.fill(Qt::transparent); QStyleOption branchOption; QRect r(QPoint(0, 0), pix.size()); branchOption.rect = QRect(2, 2, 9, 9); // ### hardcoded in qcommonstyle.cpp branchOption.palette = palette; branchOption.state = QStyle::State_Children; QPainter p; // Draw closed state p.begin(&pix); style->drawPrimitive(QStyle::PE_IndicatorBranch, &branchOption, &p); p.end(); QIcon rc = pix; rc.addPixmap(pix, QIcon::Selected, QIcon::Off); // Draw opened state branchOption.state |= QStyle::State_Open; pix.fill(Qt::transparent); p.begin(&pix); style->drawPrimitive(QStyle::PE_IndicatorBranch, &branchOption, &p); p.end(); rc.addPixmap(pix, QIcon::Normal, QIcon::On); rc.addPixmap(pix, QIcon::Selected, QIcon::On); return rc; } void QtTreePropertyBrowserPrivate::init(QWidget *parent) { QHBoxLayout *layout = new QHBoxLayout(parent); layout->setMargin(0); m_treeWidget = new QtPropertyEditorView(parent); m_treeWidget->setEditorPrivate(this); m_treeWidget->setIconSize(QSize(18, 18)); layout->addWidget(m_treeWidget); m_treeWidget->setColumnCount(2); QStringList labels; labels.append(QApplication::translate("QtTreePropertyBrowser", "Property", 0)); labels.append(QApplication::translate("QtTreePropertyBrowser", "Value", 0)); m_treeWidget->setHeaderLabels(labels); m_treeWidget->setAlternatingRowColors(true); m_treeWidget->setEditTriggers(QAbstractItemView::EditKeyPressed); m_delegate = new QtPropertyEditorDelegate(parent); m_delegate->setEditorPrivate(this); m_treeWidget->setItemDelegate(m_delegate); m_treeWidget->header()->setSectionsMovable(false); m_treeWidget->header()->setSectionResizeMode(QHeaderView::Stretch); m_expandIcon = drawIndicatorIcon(q_ptr->palette(), q_ptr->style()); QObject::connect(m_treeWidget, SIGNAL(collapsed(const QModelIndex &)), q_ptr, SLOT(slotCollapsed(const QModelIndex &))); QObject::connect(m_treeWidget, SIGNAL(expanded(const QModelIndex &)), q_ptr, SLOT(slotExpanded(const QModelIndex &))); QObject::connect(m_treeWidget, SIGNAL(currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)), q_ptr, SLOT(slotCurrentTreeItemChanged(QTreeWidgetItem*,QTreeWidgetItem*))); QObject::connect(m_treeWidget, SIGNAL(hoverPropertyChanged(QtBrowserItem *)), q_ptr, SLOT(onHoverPropertyChanged(QtBrowserItem *))); } QtBrowserItem *QtTreePropertyBrowserPrivate::currentItem() const { if (QTreeWidgetItem *treeItem = m_treeWidget->currentItem()) return m_itemToIndex.value(treeItem); return 0; } void QtTreePropertyBrowserPrivate::setCurrentItem(QtBrowserItem *browserItem, bool block) { const bool blocked = block ? m_treeWidget->blockSignals(true) : false; if (browserItem == 0) m_treeWidget->setCurrentItem(0); else m_treeWidget->setCurrentItem(m_indexToItem.value(browserItem)); if (block) m_treeWidget->blockSignals(blocked); } QtProperty *QtTreePropertyBrowserPrivate::indexToProperty(const QModelIndex &index) const { QTreeWidgetItem *item = m_treeWidget->indexToItem(index); QtBrowserItem *idx = m_itemToIndex.value(item); if (idx) return idx->property(); return 0; } QtBrowserItem *QtTreePropertyBrowserPrivate::indexToBrowserItem(const QModelIndex &index) const { QTreeWidgetItem *item = m_treeWidget->indexToItem(index); return m_itemToIndex.value(item); } QTreeWidgetItem *QtTreePropertyBrowserPrivate::indexToItem(const QModelIndex &index) const { return m_treeWidget->indexToItem(index); } bool QtTreePropertyBrowserPrivate::lastColumn(int column) const { return m_treeWidget->header()->visualIndex(column) == m_treeWidget->columnCount() - 1; } void QtTreePropertyBrowserPrivate::disableItem(QTreeWidgetItem *item) const { Qt::ItemFlags flags = item->flags(); if (flags & Qt::ItemIsEnabled) { flags &= ~Qt::ItemIsEnabled; item->setFlags(flags); m_delegate->closeEditor(m_itemToIndex[item]->property()); const int childCount = item->childCount(); for (int i = 0; i < childCount; i++) { QTreeWidgetItem *child = item->child(i); disableItem(child); } } } void QtTreePropertyBrowserPrivate::enableItem(QTreeWidgetItem *item) const { Qt::ItemFlags flags = item->flags(); flags |= Qt::ItemIsEnabled; item->setFlags(flags); const int childCount = item->childCount(); for (int i = 0; i < childCount; i++) { QTreeWidgetItem *child = item->child(i); QtProperty *property = m_itemToIndex[child]->property(); if (property->isEnabled()) { enableItem(child); } } } bool QtTreePropertyBrowserPrivate::hasValue(QTreeWidgetItem *item) const { QtBrowserItem *browserItem = m_itemToIndex.value(item); if (browserItem) return browserItem->property()->hasValue(); return false; } void QtTreePropertyBrowserPrivate::propertyInserted(QtBrowserItem *index, QtBrowserItem *afterIndex) { QTreeWidgetItem *afterItem = m_indexToItem.value(afterIndex); QTreeWidgetItem *parentItem = m_indexToItem.value(index->parent()); QTreeWidgetItem *newItem = 0; if (parentItem) { newItem = new QTreeWidgetItem(parentItem, afterItem); } else { newItem = new QTreeWidgetItem(m_treeWidget, afterItem); } m_itemToIndex[newItem] = index; m_indexToItem[index] = newItem; newItem->setFlags(newItem->flags() | Qt::ItemIsEditable); m_treeWidget->setItemExpanded(newItem, true); updateItem(newItem); } void QtTreePropertyBrowserPrivate::propertyRemoved(QtBrowserItem *index) { QTreeWidgetItem *item = m_indexToItem.value(index); if (m_treeWidget->currentItem() == item) { m_treeWidget->setCurrentItem(0); } delete item; m_indexToItem.remove(index); m_itemToIndex.remove(item); m_indexToBackgroundColor.remove(index); } void QtTreePropertyBrowserPrivate::propertyChanged(QtBrowserItem *index) { QTreeWidgetItem *item = m_indexToItem.value(index); updateItem(item); } void QtTreePropertyBrowserPrivate::updateItem(QTreeWidgetItem *item) { QtProperty *property = m_itemToIndex[item]->property(); QIcon expandIcon; if (property->hasValue()) { QString toolTip = property->toolTip(); if (toolTip.isEmpty()) toolTip = property->valueText(); item->setToolTip(1, toolTip); item->setIcon(1, property->valueIcon()); item->setText(1, property->valueText()); } else if (markPropertiesWithoutValue() && !m_treeWidget->rootIsDecorated()) { expandIcon = m_expandIcon; } item->setIcon(0, expandIcon); item->setFirstColumnSpanned(!property->hasValue()); item->setToolTip(0, property->propertyName()); item->setStatusTip(0, property->statusTip()); item->setWhatsThis(0, property->whatsThis()); item->setText(0, property->propertyName()); bool wasEnabled = item->flags() & Qt::ItemIsEnabled; bool isEnabled = wasEnabled; if (property->isEnabled()) { QTreeWidgetItem *parent = item->parent(); if (!parent || (parent->flags() & Qt::ItemIsEnabled)) isEnabled = true; else isEnabled = false; } else { isEnabled = false; } if (wasEnabled != isEnabled) { if (isEnabled) enableItem(item); else disableItem(item); } if (property->isSelectable()) { item->setFlags(item->flags() | Qt::ItemIsSelectable); } else { item->setFlags(item->flags() & ~Qt::ItemIsSelectable); } m_treeWidget->viewport()->update(); } QColor QtTreePropertyBrowserPrivate::calculatedBackgroundColor(QtBrowserItem *item) const { QtBrowserItem *i = item; const QMap::const_iterator itEnd = m_indexToBackgroundColor.constEnd(); while (i) { QMap::const_iterator it = m_indexToBackgroundColor.constFind(i); if (it != itEnd) return it.value(); i = i->parent(); } return QColor(); } void QtTreePropertyBrowserPrivate::slotCollapsed(const QModelIndex &index) { QTreeWidgetItem *item = indexToItem(index); QtBrowserItem *idx = m_itemToIndex.value(item); if (item) emit q_ptr->collapsed(idx); } void QtTreePropertyBrowserPrivate::slotExpanded(const QModelIndex &index) { QTreeWidgetItem *item = indexToItem(index); QtBrowserItem *idx = m_itemToIndex.value(item); if (item) emit q_ptr->expanded(idx); } void QtTreePropertyBrowserPrivate::onHoverPropertyChanged(QtBrowserItem *item) { emit q_ptr->hoverPropertyChanged(item); } void QtTreePropertyBrowserPrivate::slotCurrentBrowserItemChanged(QtBrowserItem *item) { if (!m_browserChangedBlocked && item != currentItem()) setCurrentItem(item, true); } void QtTreePropertyBrowserPrivate::slotCurrentTreeItemChanged(QTreeWidgetItem *newItem, QTreeWidgetItem *) { QtBrowserItem *browserItem = newItem ? m_itemToIndex.value(newItem) : 0; m_browserChangedBlocked = true; q_ptr->setCurrentItem(browserItem); m_browserChangedBlocked = false; } QTreeWidgetItem *QtTreePropertyBrowserPrivate::editedItem() const { return m_delegate->editedItem(); } void QtTreePropertyBrowserPrivate::editItem(QtBrowserItem *browserItem) { if (QTreeWidgetItem *treeItem = m_indexToItem.value(browserItem, 0)) { m_treeWidget->setCurrentItem (treeItem, 1); m_treeWidget->editItem(treeItem, 1); } } /*! \class QtTreePropertyBrowser \brief The QtTreePropertyBrowser class provides QTreeWidget based property browser. A property browser is a widget that enables the user to edit a given set of properties. Each property is represented by a label specifying the property's name, and an editing widget (e.g. a line edit or a combobox) holding its value. A property can have zero or more subproperties. QtTreePropertyBrowser provides a tree based view for all nested properties, i.e. properties that have subproperties can be in an expanded (subproperties are visible) or collapsed (subproperties are hidden) state. For example: \image qttreepropertybrowser.png Use the QtAbstractPropertyBrowser API to add, insert and remove properties from an instance of the QtTreePropertyBrowser class. The properties themselves are created and managed by implementations of the QtAbstractPropertyManager class. \sa QtGroupBoxPropertyBrowser, QtAbstractPropertyBrowser */ /*! \fn void QtTreePropertyBrowser::collapsed(QtBrowserItem *item) This signal is emitted when the \a item is collapsed. \sa expanded(), setExpanded() */ /*! \fn void QtTreePropertyBrowser::expanded(QtBrowserItem *item) This signal is emitted when the \a item is expanded. \sa collapsed(), setExpanded() */ /*! Creates a property browser with the given \a parent. */ QtTreePropertyBrowser::QtTreePropertyBrowser(QWidget *parent) : QtAbstractPropertyBrowser(parent) { d_ptr = new QtTreePropertyBrowserPrivate; d_ptr->q_ptr = this; d_ptr->init(this); connect(this, SIGNAL(currentItemChanged(QtBrowserItem*)), this, SLOT(slotCurrentBrowserItemChanged(QtBrowserItem*))); } /*! Destroys this property browser. Note that the properties that were inserted into this browser are \e not destroyed since they may still be used in other browsers. The properties are owned by the manager that created them. \sa QtProperty, QtAbstractPropertyManager */ QtTreePropertyBrowser::~QtTreePropertyBrowser() { delete d_ptr; } /*! \property QtTreePropertyBrowser::indentation \brief indentation of the items in the tree view. */ int QtTreePropertyBrowser::indentation() const { return d_ptr->m_treeWidget->indentation(); } void QtTreePropertyBrowser::setIndentation(int i) { d_ptr->m_treeWidget->setIndentation(i); } /*! \property QtTreePropertyBrowser::rootIsDecorated \brief whether to show controls for expanding and collapsing root items. */ bool QtTreePropertyBrowser::rootIsDecorated() const { return d_ptr->m_treeWidget->rootIsDecorated(); } void QtTreePropertyBrowser::setRootIsDecorated(bool show) { d_ptr->m_treeWidget->setRootIsDecorated(show); QMapIterator it(d_ptr->m_itemToIndex); while (it.hasNext()) { QtProperty *property = it.next().value()->property(); if (!property->hasValue()) d_ptr->updateItem(it.key()); } } /*! \property QtTreePropertyBrowser::alternatingRowColors \brief whether to draw the background using alternating colors. By default this property is set to true. */ bool QtTreePropertyBrowser::alternatingRowColors() const { return d_ptr->m_treeWidget->alternatingRowColors(); } void QtTreePropertyBrowser::setAlternatingRowColors(bool enable) { d_ptr->m_treeWidget->setAlternatingRowColors(enable); QMapIterator it(d_ptr->m_itemToIndex); } /*! \property QtTreePropertyBrowser::headerVisible \brief whether to show the header. */ bool QtTreePropertyBrowser::isHeaderVisible() const { return d_ptr->m_headerVisible; } void QtTreePropertyBrowser::setHeaderVisible(bool visible) { if (d_ptr->m_headerVisible == visible) return; d_ptr->m_headerVisible = visible; d_ptr->m_treeWidget->header()->setVisible(visible); } /*! \enum QtTreePropertyBrowser::ResizeMode The resize mode specifies the behavior of the header sections. \value Interactive The user can resize the sections. The sections can also be resized programmatically using setSplitterPosition(). \value Fixed The user cannot resize the section. The section can only be resized programmatically using setSplitterPosition(). \value Stretch QHeaderView will automatically resize the section to fill the available space. The size cannot be changed by the user or programmatically. \value ResizeToContents QHeaderView will automatically resize the section to its optimal size based on the contents of the entire column. The size cannot be changed by the user or programmatically. \sa setResizeMode() */ /*! \property QtTreePropertyBrowser::resizeMode \brief the resize mode of setions in the header. */ QtTreePropertyBrowser::ResizeMode QtTreePropertyBrowser::resizeMode() const { return d_ptr->m_resizeMode; } void QtTreePropertyBrowser::setResizeMode(QtTreePropertyBrowser::ResizeMode mode) { if (d_ptr->m_resizeMode == mode) return; d_ptr->m_resizeMode = mode; QHeaderView::ResizeMode m = QHeaderView::Stretch; switch (mode) { case QtTreePropertyBrowser::Interactive: m = QHeaderView::Interactive; break; case QtTreePropertyBrowser::Fixed: m = QHeaderView::Fixed; break; case QtTreePropertyBrowser::ResizeToContents: m = QHeaderView::ResizeToContents; break; case QtTreePropertyBrowser::Stretch: default: m = QHeaderView::Stretch; break; } d_ptr->m_treeWidget->header()->setSectionResizeMode(m); } /*! \property QtTreePropertyBrowser::splitterPosition \brief the position of the splitter between the colunms. */ int QtTreePropertyBrowser::splitterPosition() const { return d_ptr->m_treeWidget->header()->sectionSize(0); } void QtTreePropertyBrowser::setSplitterPosition(int position) { d_ptr->m_treeWidget->header()->resizeSection(0, position); } /*! Sets the \a item to either collapse or expanded, depending on the value of \a expanded. \sa isExpanded(), expanded(), collapsed() */ void QtTreePropertyBrowser::setExpanded(QtBrowserItem *item, bool expanded) { QTreeWidgetItem *treeItem = d_ptr->m_indexToItem.value(item); if (treeItem) treeItem->setExpanded(expanded); } /*! Returns true if the \a item is expanded; otherwise returns false. \sa setExpanded() */ bool QtTreePropertyBrowser::isExpanded(QtBrowserItem *item) const { QTreeWidgetItem *treeItem = d_ptr->m_indexToItem.value(item); if (treeItem) return treeItem->isExpanded(); return false; } /*! Returns true if the \a item is visible; otherwise returns false. \sa setItemVisible() \since 4.5 */ bool QtTreePropertyBrowser::isItemVisible(QtBrowserItem *item) const { if (const QTreeWidgetItem *treeItem = d_ptr->m_indexToItem.value(item)) return !treeItem->isHidden(); return false; } /*! Sets the \a item to be visible, depending on the value of \a visible. \sa isItemVisible() \since 4.5 */ void QtTreePropertyBrowser::setItemVisible(QtBrowserItem *item, bool visible) { if (QTreeWidgetItem *treeItem = d_ptr->m_indexToItem.value(item)) treeItem->setHidden(!visible); } /*! Sets the \a item's background color to \a color. Note that while item's background is rendered every second row is being drawn with alternate color (which is a bit lighter than items \a color) \sa backgroundColor(), calculatedBackgroundColor() */ void QtTreePropertyBrowser::setBackgroundColor(QtBrowserItem *item, const QColor &color) { if (!d_ptr->m_indexToItem.contains(item)) return; if (color.isValid()) d_ptr->m_indexToBackgroundColor[item] = color; else d_ptr->m_indexToBackgroundColor.remove(item); d_ptr->m_treeWidget->viewport()->update(); } /*! Returns the \a item's color. If there is no color set for item it returns invalid color. \sa calculatedBackgroundColor(), setBackgroundColor() */ QColor QtTreePropertyBrowser::backgroundColor(QtBrowserItem *item) const { return d_ptr->m_indexToBackgroundColor.value(item); } /*! Returns the \a item's color. If there is no color set for item it returns parent \a item's color (if there is no color set for parent it returns grandparent's color and so on). In case the color is not set for \a item and it's top level item it returns invalid color. \sa backgroundColor(), setBackgroundColor() */ QColor QtTreePropertyBrowser::calculatedBackgroundColor(QtBrowserItem *item) const { return d_ptr->calculatedBackgroundColor(item); } /*! \property QtTreePropertyBrowser::propertiesWithoutValueMarked \brief whether to enable or disable marking properties without value. When marking is enabled the item's background is rendered in dark color and item's foreground is rendered with light color. \sa propertiesWithoutValueMarked() */ void QtTreePropertyBrowser::setPropertiesWithoutValueMarked(bool mark) { if (d_ptr->m_markPropertiesWithoutValue == mark) return; d_ptr->m_markPropertiesWithoutValue = mark; QMapIterator it(d_ptr->m_itemToIndex); while (it.hasNext()) { QtProperty *property = it.next().value()->property(); if (!property->hasValue()) d_ptr->updateItem(it.key()); } d_ptr->m_treeWidget->viewport()->update(); } bool QtTreePropertyBrowser::propertiesWithoutValueMarked() const { return d_ptr->m_markPropertiesWithoutValue; } /*! \reimp */ void QtTreePropertyBrowser::itemInserted(QtBrowserItem *item, QtBrowserItem *afterItem) { d_ptr->propertyInserted(item, afterItem); } /*! \reimp */ void QtTreePropertyBrowser::itemRemoved(QtBrowserItem *item) { d_ptr->propertyRemoved(item); } /*! \reimp */ void QtTreePropertyBrowser::itemChanged(QtBrowserItem *item) { d_ptr->propertyChanged(item); } /*! Sets the current item to \a item and opens the relevant editor for it. */ void QtTreePropertyBrowser::editItem(QtBrowserItem *item) { d_ptr->editItem(item); } QTreeWidget *QtTreePropertyBrowser::treeWidget() const { return d_ptr->treeWidget(); } QtBrowserItem *QtTreePropertyBrowser::itemToBrowserItem(QTreeWidgetItem *item) { return d_ptr->itemToBrowserItem(item); } #if QT_VERSION >= 0x040400 QT_END_NAMESPACE #endif #include "moc_qttreepropertybrowser.cpp" #include "qttreepropertybrowser.moc" #n980'>980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516