Changeset 561 for trunk/src/gui/itemviews/qstandarditemmodel.cpp

Timestamp:

Feb 11, 2010, 11:19:06 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.6.1 sources.

Location:

trunk

Files:

• . (modified) (1 prop)
• src/gui/itemviews/qstandarditemmodel.cpp (modified) (26 diffs)

trunk/src/gui/itemviews/qstandarditemmodel.cpp

@@ -2 +2 @@
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the QtGui module of the Qt Toolkit.
@@ -21 +22 @@
 ** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
+** 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.
 **
 ** GNU General Public License Usage
@@ -34 +34 @@
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
 ** $QT_END_LICENSE$
 **
@@ -330 +330 @@
 QStandardItemModelPrivate::~QStandardItemModelPrivate()
 {
-    delete root;
     delete itemPrototype;
     qDeleteAll(columnHeaderItems);
@@ -555 +554 @@
 {
     Q_Q(QStandardItemModel);
-    if (parent == root)
+    if (parent == root.data())
         rowHeaderItems.insert(row, count, 0);
     q->endInsertRows();
@@ -567 +566 @@
 {
     Q_Q(QStandardItemModel);
-    if (parent == root)
+    if (parent == root.data())
         columnHeaderItems.insert(column, count, 0);
     q->endInsertColumns();
@@ -579 +578 @@
 {
     Q_Q(QStandardItemModel);
-    if (parent == root) {
+    if (parent == root.data()) {
         for (int i = row; i < row + count; ++i) {
             QStandardItem *oldItem = rowHeaderItems.at(i);
@@ -598 +597 @@
 {
     Q_Q(QStandardItemModel);
-    if (parent == root) {
+    if (parent == root.data()) {
         for (int i = column; i < column + count; ++i) {
             QStandardItem *oldItem = columnHeaderItems.at(i);
@@ -779 +778 @@
 QStandardItem::~QStandardItem()
 {
-    Q_D(QStandardItem);
-    delete d;
 }
 
@@ -791 +788 @@
 {
     Q_D(const QStandardItem);
-    if (!d->model || (d->model->d_func()->root != d->parent))
+    if (!d->model || (d->model->d_func()->root.data() != d->parent))
         return d->parent;
     return 0;
@@ -900 +897 @@
         return (Qt::ItemIsSelectable|Qt::ItemIsEnabled|Qt::ItemIsEditable
                 |Qt::ItemIsDragEnabled|Qt::ItemIsDropEnabled);
-    return ((Qt::ItemFlags)(v.toInt()));
+    return Qt::ItemFlags(v.toInt());
 }
 
@@ -1743 +1740 @@
     if ((row < 0) || (row >= rowCount()))
         return QList<QStandardItem*>();
+    if (d->model)
+        d->model->d_func()->rowsAboutToBeRemoved(this, row, row);
     QList<QStandardItem*> items;
-    int index = d->childIndex(row, 0);
-    for (int column = 0; column < d->columnCount(); ++column) {
-        QStandardItem *ch = d->children.at(index);
-        if (ch) {
-            ch->d_func()->setParentAndModel(0, 0);
-            d->children.replace(index, 0);
+    int index = d->childIndex(row, 0);  // Will return -1 if there are no columns
+    if (index != -1) {
+        int col_count = d->columnCount();
+        for (int column = 0; column < col_count; ++column) {
+            QStandardItem *ch = d->children.at(index + column);
+            if (ch)
+                ch->d_func()->setParentAndModel(0, 0);
+            items.append(ch);
         }
-        items.append(ch);
-        ++index;
-    }
-    removeRow(row);
+        d->children.remove(index, col_count);
+    }
+    d->rows--;
+    if (d->model)
+        d->model->d_func()->rowsRemoved(this, row, 1);
     return items;
 }
@@ -1770 +1772 @@
     if ((column < 0) || (column >= columnCount()))
         return QList<QStandardItem*>();
+    if (d->model)
+        d->model->d_func()->columnsAboutToBeRemoved(this, column, column);
     QList<QStandardItem*> items;
-    int index = d->childIndex(0, column);
-    for (int row = 0; row < d->rowCount(); ++row) {
+
+    for (int row = d->rowCount() - 1; row >= 0; --row) {
+        int index = d->childIndex(row, column);
         QStandardItem *ch = d->children.at(index);
-        if (ch) {
+        if (ch)
             ch->d_func()->setParentAndModel(0, 0);
-            d->children.replace(index, 0);
-        }
-        items.append(ch);
-        index += d->columnCount();
-    }
-    removeColumn(column);
+        d->children.remove(index);
+        items.prepend(ch);
+    }
+    d->columns--;
+    if (d->model)
+        d->model->d_func()->columnsRemoved(this, column, 1);
     return items;
 }
@@ -1802 +1807 @@
     const QVariant l = data(role), r = other.data(role);
     // this code is copied from QSortFilterProxyModel::lessThan()
-    switch (l.type()) {
+    switch (l.userType()) {
     case QVariant::Invalid:
         return (r.type() == QVariant::Invalid);
@@ -1813 +1818 @@
     case QVariant::ULongLong:
         return l.toULongLong() < r.toULongLong();
+    case QMetaType::Float:
+        return l.toFloat() < r.toFloat();
     case QVariant::Double:
         return l.toDouble() < r.toDouble();
@@ -1891 +1898 @@
     qint32 flags;
     in >> flags;
-    setFlags((Qt::ItemFlags)flags);
+    setFlags(Qt::ItemFlags(flags));
 }
 
@@ -1939 +1946 @@
 }
 
-#endif // !QT_NO_DATASTREAM
+#endif // QT_NO_DATASTREAM
 
 /*!
@@ -2080 +2087 @@
 {
     Q_D(QStandardItemModel);
-    delete d->root;
-    d->root = new QStandardItem;
+    d->root.reset(new QStandardItem);
     d->root->d_func()->setModel(this);
     qDeleteAll(d->columnHeaderItems);
@@ -2228 +2234 @@
 {
     Q_D(const QStandardItemModel);
-    return d->root;
+    return d->root.data();
 }
 
@@ -2730 +2736 @@
 {
     Q_D(QStandardItemModel);
-    QStandardItem *item = parent.isValid() ? itemFromIndex(parent) : d->root;
+    QStandardItem *item = parent.isValid() ? itemFromIndex(parent) : d->root.data();
     if (item == 0)
         return false;
@@ -2742 +2748 @@
 {
     Q_D(QStandardItemModel);
-    QStandardItem *item = parent.isValid() ? itemFromIndex(parent) : d->root;
+    QStandardItem *item = parent.isValid() ? itemFromIndex(parent) : d->root.data();
     if (item == 0)
         return false;
@@ -2908 +2914 @@
     itemsSet.reserve(indexes.count());
     stack.reserve(indexes.count());
-    foreach (const QModelIndex &index, indexes) {
-        QStandardItem *item = itemFromIndex(index);
+    for (int i = 0; i < indexes.count(); ++i) {
+        QStandardItem *item = itemFromIndex(indexes.at(i));
         itemsSet << item;
         stack.push(item);
@@ -2966 +2972 @@
     stream out an item and his children 
  */
-static void decodeDataRecursive(QDataStream &stream, QStandardItem *item)
+void QStandardItemModelPrivate::decodeDataRecursive(QDataStream &stream, QStandardItem *item)
 {
     int colCount, childCount;
@@ -2977 +2983 @@
     while(childPos > 0) {
         childPos--;
-        QStandardItem *child = new QStandardItem;
+        QStandardItem *child = createItem();
         decodeDataRecursive(stream, child);
         item->setChild( childPos / colCount, childPos % colCount, child);
@@ -2990 +2996 @@
                                       int row, int column, const QModelIndex &parent)
 {
+    Q_D(QStandardItemModel);
     // check if the action is supported
     if (!data || !(action == Qt::CopyAction || action == Qt::MoveAction))
@@ -3021 +3028 @@
     while (!stream.atEnd()) {
         int r, c;
-        QStandardItem *item = new QStandardItem;
+        QStandardItem *item = d->createItem();
         stream >> r >> c;
-        decodeDataRecursive(stream, item);
+        d->decodeDataRecursive(stream, item);
 
         rows.append(r);