diff options
12 files changed, 469 insertions, 9 deletions
diff --git a/dist/changes-5.2.0 b/dist/changes-5.2.0 index 59ea4f9985..4e7a2f397c 100644 --- a/dist/changes-5.2.0 +++ b/dist/changes-5.2.0 @@ -25,3 +25,7 @@ QtWidgets - QAbstractScrollArea now has a SizeAdjustPolicy. If it is set to AdjustToContents it will make use of the new protected viewportSizeHint() (binary compatible since it was reserved in Qt5). This function returns a suggested size based on contents. + +- [QTBUG-4206] QTableView resizeToContents will now adjust to actual contents + and not just visible area. QHeaderView::setAutoResizePrecision() has been + introduced to control how precise the autoResize should be. diff --git a/src/widgets/itemviews/qheaderview.cpp b/src/widgets/itemviews/qheaderview.cpp index d95e693126..c9a845fc7b 100644 --- a/src/widgets/itemviews/qheaderview.cpp +++ b/src/widgets/itemviews/qheaderview.cpp @@ -1253,7 +1253,7 @@ void QHeaderView::setSectionResizeMode(ResizeMode mode) property is set to true. This is the default for the horizontal headers provided by QTreeView. - \sa setStretchLastSection() + \sa setStretchLastSection(), resizeContentsPrecision() */ void QHeaderView::setSectionResizeMode(int logicalIndex, ResizeMode mode) @@ -1316,6 +1316,53 @@ QHeaderView::ResizeMode QHeaderView::sectionResizeMode(int logicalIndex) const return d->headerSectionResizeMode(visual); } +/*! + \since 5.2 + Sets how precise QHeaderView should calculate the size when ResizeToContents is used. + A low value will provide a less accurate but fast auto resize while a higher + value will provide a more accurate resize that however can be slow. + + The number \a precision specifies how many sections that should be consider + when calculating the preferred size. + + The default value is 1000 meaning that a horizontal column with auto-resize will look + at maximum 1000 rows on calculating when doing an auto resize. + + Special value 0 means that it will look at only the visible area. + Special value -1 will imply looking at all elements. + + This value is used in QTableView::sizeHintForColumn(), QTableView::sizeHintForRow() + and QTreeView::sizeHintForColumn(). Reimplementing these functions can make this + function not having an effect. + + If \a resizeSectionsNow is set to true (default) it will do adjustment of sections by calling + resizeSections(). (regardless if the precision was changed). + + \sa resizeContentsPrecision(), setSectionResizeMode(), resizeSections(), QTableView::sizeHintForColumn(), QTableView::sizeHintForRow(), QTreeView::sizeHintForColumn() +*/ + +void QHeaderView::setResizeContentsPrecision(int precision, bool resizeSectionsNow) +{ + Q_D(QHeaderView); + d->resizeContentsPrecision = precision; + if (resizeSectionsNow) + resizeSections(); +} + +/*! + \since 5.2 + Returns how precise QHeaderView will calculate on ResizeToContents. + + \sa setResizeContentsPrecision(), setSectionResizeMode() + +*/ + +int QHeaderView::resizeContentsPrecision() const +{ + Q_D(const QHeaderView); + return d->resizeContentsPrecision; +} + // ### Qt 6 - remove this obsolete function /*! \obsolete @@ -3583,6 +3630,8 @@ void QHeaderViewPrivate::write(QDataStream &out) const out << int(globalResizeMode); out << sectionItems; + if (out.version() >= QDataStream::Qt_5_2) + out << resizeContentsPrecision; } bool QHeaderViewPrivate::read(QDataStream &in) @@ -3634,6 +3683,10 @@ bool QHeaderViewPrivate::read(QDataStream &in) } sectionItems = newSectionItems; recalcSectionStartPos(); + + if (in.version() >= QDataStream::Qt_5_2) + in >> resizeContentsPrecision; + return true; } diff --git a/src/widgets/itemviews/qheaderview.h b/src/widgets/itemviews/qheaderview.h index 0b94eedf78..3de3d320bf 100644 --- a/src/widgets/itemviews/qheaderview.h +++ b/src/widgets/itemviews/qheaderview.h @@ -133,6 +133,10 @@ public: ResizeMode sectionResizeMode(int logicalIndex) const; void setSectionResizeMode(ResizeMode mode); void setSectionResizeMode(int logicalIndex, ResizeMode mode); + + void setResizeContentsPrecision(int precision, bool resizeNow = true); + int resizeContentsPrecision() const; + #if QT_DEPRECATED_SINCE(5, 0) inline QT_DEPRECATED void setResizeMode(ResizeMode mode) { setSectionResizeMode(mode); } diff --git a/src/widgets/itemviews/qheaderview_p.h b/src/widgets/itemviews/qheaderview_p.h index de9321530c..c56e0d6196 100644 --- a/src/widgets/itemviews/qheaderview_p.h +++ b/src/widgets/itemviews/qheaderview_p.h @@ -99,7 +99,8 @@ public: sectionIndicatorOffset(0), sectionIndicator(0), globalResizeMode(QHeaderView::Interactive), - sectionStartposRecalc(true) + sectionStartposRecalc(true), + resizeContentsPrecision(1000) {} @@ -291,6 +292,7 @@ public: QHeaderView::ResizeMode globalResizeMode; QList<QPersistentModelIndex> persistentHiddenSections; mutable bool sectionStartposRecalc; + int resizeContentsPrecision; // header sections struct SectionItem { diff --git a/src/widgets/itemviews/qtableview.cpp b/src/widgets/itemviews/qtableview.cpp index d72e19114d..41ecd3b48f 100644 --- a/src/widgets/itemviews/qtableview.cpp +++ b/src/widgets/itemviews/qtableview.cpp @@ -2208,7 +2208,7 @@ void QTableView::updateGeometries() if a larger row height is required by either the vertical header or the item delegate, that width will be used instead. - \sa QWidget::sizeHint, verticalHeader() + \sa QWidget::sizeHint, verticalHeader(), QHeaderView::resizeContentsPrecision() */ int QTableView::sizeHintForRow(int row) const { @@ -2218,7 +2218,8 @@ int QTableView::sizeHintForRow(int row) const return -1; ensurePolished(); - const int maximumProcessCols = 1000; // To avoid this to take forever. + const int maximumProcessCols = d->verticalHeader->resizeContentsPrecision(); + int left = qMax(0, d->horizontalHeader->visualIndexAt(0)); int right = d->horizontalHeader->visualIndexAt(d->viewport->width()); @@ -2253,6 +2254,9 @@ int QTableView::sizeHintForRow(int row) const int idxLeft = left; int idxRight = column - 1; + if (maximumProcessCols == 0) + columnsProcessed = 0; // skip the while loop + while (columnsProcessed != maximumProcessCols && (idxLeft > 0 || idxRight < actualRight)) { int logicalIdx = -1; @@ -2306,7 +2310,7 @@ int QTableView::sizeHintForRow(int row) const required by either the horizontal header or the item delegate, the larger width will be used instead. - \sa QWidget::sizeHint, horizontalHeader() + \sa QWidget::sizeHint, horizontalHeader(), QHeaderView::resizeContentsPrecision() */ int QTableView::sizeHintForColumn(int column) const { @@ -2316,7 +2320,7 @@ int QTableView::sizeHintForColumn(int column) const return -1; ensurePolished(); - const int maximumProcessRows = 1000; // To avoid this to take forever. + const int maximumProcessRows = d->horizontalHeader->resizeContentsPrecision(); int top = qMax(0, d->verticalHeader->visualIndexAt(0)); int bottom = d->verticalHeader->visualIndexAt(d->viewport->height()); @@ -2345,6 +2349,9 @@ int QTableView::sizeHintForColumn(int column) const int idxTop = top; int idxBottom = row - 1; + if (maximumProcessRows == 0) + rowsProcessed = 0; // skip the while loop + while (rowsProcessed != maximumProcessRows && (idxTop > 0 || idxBottom < actualBottom)) { int logicalIdx = -1; @@ -3038,6 +3045,8 @@ void QTableView::showColumn(int column) /*! Resizes the given \a row based on the size hints of the delegate used to render each item in the row. + + \sa resizeRowsToContents(), sizeHintForRow(), QHeaderView::resizeContentsPrecision() */ void QTableView::resizeRowToContents(int row) { @@ -3050,6 +3059,8 @@ void QTableView::resizeRowToContents(int row) /*! Resizes all rows based on the size hints of the delegate used to render each item in the rows. + + \sa resizeRowToContents(), sizeHintForRow(), QHeaderView::resizeContentsPrecision() */ void QTableView::resizeRowsToContents() { @@ -3063,6 +3074,8 @@ void QTableView::resizeRowsToContents() \note Only visible columns will be resized. Reimplement sizeHintForColumn() to resize hidden columns as well. + + \sa resizeColumnsToContents(), sizeHintForColumn(), QHeaderView::resizeContentsPrecision() */ void QTableView::resizeColumnToContents(int column) { @@ -3075,6 +3088,8 @@ void QTableView::resizeColumnToContents(int column) /*! Resizes all columns based on the size hints of the delegate used to render each item in the columns. + + \sa resizeColumnToContents(), sizeHintForColumn(), QHeaderView::resizeContentsPrecision() */ void QTableView::resizeColumnsToContents() { diff --git a/src/widgets/itemviews/qtreeview.cpp b/src/widgets/itemviews/qtreeview.cpp index 21a408d6f1..38f0aa6a9e 100644 --- a/src/widgets/itemviews/qtreeview.cpp +++ b/src/widgets/itemviews/qtreeview.cpp @@ -2565,7 +2565,7 @@ void QTreeView::columnCountChanged(int oldCount, int newCount) /*! Resizes the \a column given to the size of its contents. - \sa columnWidth(), setColumnWidth() + \sa columnWidth(), setColumnWidth(), sizeHintForColumn(), QHeaderView::resizeContentsPrecision() */ void QTreeView::resizeColumnToContents(int column) { @@ -2801,7 +2801,7 @@ void QTreeView::updateGeometries() if a larger column width is required by either the view's header or the item delegate, that width will be used instead. - \sa QWidget::sizeHint, header() + \sa QWidget::sizeHint, header(), QHeaderView::resizeContentsPrecision() */ int QTreeView::sizeHintForColumn(int column) const { @@ -2814,7 +2814,7 @@ int QTreeView::sizeHintForColumn(int column) const QStyleOptionViewItem option = d->viewOptions(); const QVector<QTreeViewItem> viewItems = d->viewItems; - const int maximumProcessRows = 1000; // To avoid this to take forever. + const int maximumProcessRows = d->header->resizeContentsPrecision(); // To avoid this to take forever. int offset = 0; int start = d->firstVisibleItem(&offset); @@ -2835,6 +2835,10 @@ int QTreeView::sizeHintForColumn(int column) const --end; int actualBottom = viewItems.size() - 1; + + if (maximumProcessRows == 0) + rowsProcessed = 0; // skip the while loop + while (rowsProcessed != maximumProcessRows && (start > 0 || end < actualBottom)) { int idx = -1; diff --git a/tests/manual/widgets/itemviews/autoResizePrecision/tablehorz/testtable1.cpp b/tests/manual/widgets/itemviews/autoResizePrecision/tablehorz/testtable1.cpp new file mode 100644 index 0000000000..463366433c --- /dev/null +++ b/tests/manual/widgets/itemviews/autoResizePrecision/tablehorz/testtable1.cpp @@ -0,0 +1,115 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Thorbjørn Lund Martsum - tmartsum[at]gmail.com +** Contact: http://www.qt-project.org/legal +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** 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, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtWidgets/QtWidgets> + +const int rowCount = 2000; + +class TableDialog : public QDialog +{ + Q_OBJECT +public: + TableDialog() : model(rowCount, 3) { create(); } + void create() + { + resize(1000, 233); + gridLayout = new QGridLayout(this); + tableView = new QTableView(this); + + gridLayout->addWidget(tableView, 0, 0, 2, 1); + spinPrecision = new QSpinBox(this); + gridLayout->addWidget(spinPrecision, 0, 1, 1, 1); + verticalSpacer = new QSpacerItem(20, 20, QSizePolicy::Minimum, QSizePolicy::Expanding); + gridLayout->addItem(verticalSpacer, 1, 1, 1, 1); + + QString ii = QString::fromLatin1("ii"); + QStringList is; + spinPrecision->setMinimum(-1); + spinPrecision->setMaximum(rowCount + 2); + for (int u = 0; u < rowCount; ++u) { + if (u % 25 == 0) + ii += QString::fromLatin1("i"); + else + ii[ii.length() - 1] = QChar::fromLatin1('a' + (u % 25)); + ii[ii.length() - 2] = QChar::fromLatin1('i'); + is.append(ii); + } + + for (int u = 0; u < rowCount; ++u) { + QString col1; + col1 = QString::fromLatin1("Row: %1").arg(u); + model.setData(model.index(u, 0), col1); + model.setData(model.index(u, 1), is[u]); + model.setData(model.index(u, 2), is[rowCount - u -1]); + } + tableView->setModel(&model); + + tableView->horizontalHeader()->setSectionResizeMode(0, QHeaderView::ResizeToContents); + tableView->horizontalHeader()->setSectionResizeMode(1, QHeaderView::ResizeToContents); + tableView->horizontalHeader()->setSectionResizeMode(2, QHeaderView::ResizeToContents); + spinPrecision->setValue(tableView->horizontalHeader()->resizeContentsPrecision()); + connect(spinPrecision, SIGNAL(valueChanged(int)), this, SLOT(slotValueChanged(int))); + } // setupUi +protected slots: + void slotValueChanged(int newval); +protected: + QGridLayout *gridLayout; + QTableView *tableView; + QSpinBox *spinPrecision; + QSpacerItem *verticalSpacer; + QStandardItemModel model; +}; + +void TableDialog::slotValueChanged(int newval) +{ + tableView->horizontalHeader()->setResizeContentsPrecision(newval, true); +} + + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + TableDialog d1; + d1.show(); + app.exec(); +} + +#include "testtable1.moc" diff --git a/tests/manual/widgets/itemviews/autoResizePrecision/tablehorz/testtable1.pro b/tests/manual/widgets/itemviews/autoResizePrecision/tablehorz/testtable1.pro new file mode 100644 index 0000000000..e07f40bc2f --- /dev/null +++ b/tests/manual/widgets/itemviews/autoResizePrecision/tablehorz/testtable1.pro @@ -0,0 +1,2 @@ +SOURCES = testtable1.cpp +QT += widgets diff --git a/tests/manual/widgets/itemviews/autoResizePrecision/tablevert/testtable2.cpp b/tests/manual/widgets/itemviews/autoResizePrecision/tablevert/testtable2.cpp new file mode 100644 index 0000000000..027801d528 --- /dev/null +++ b/tests/manual/widgets/itemviews/autoResizePrecision/tablevert/testtable2.cpp @@ -0,0 +1,125 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Thorbjørn Lund Martsum - tmartsum[at]gmail.com +** Contact: http://www.qt-project.org/legal +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** 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, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtWidgets/QtWidgets> + +const int columnCount = 1500; + +class TableDialog : public QDialog +{ + Q_OBJECT +public: + TableDialog() : model(2, columnCount) { create(); } + void create() + { + resize(1200, 400); + gridLayout = new QGridLayout(this); + tableView = new QTableView(this); + + gridLayout->addWidget(tableView, 0, 0, 2, 1); + spinPrecision = new QSpinBox(this); + gridLayout->addWidget(spinPrecision, 0, 1, 1, 1); + verticalSpacer = new QSpacerItem(20, 20, QSizePolicy::Minimum, QSizePolicy::Expanding); + gridLayout->addItem(verticalSpacer, 1, 1, 1, 1); + + QString ii = QString::fromLatin1("ii"); + QStringList is; + spinPrecision->setMinimum(-1); + spinPrecision->setMaximum(columnCount + 2); + + QFont f = QApplication::font(); + for (int u = 0; u < columnCount; ++u) { + int size = 10 + (u % 63); + f.setPixelSize(size); + QString col; + if (u % 50 < 25) + col = QChar::fromLatin1('a' + (u % 25)); + else + col = QChar::fromLatin1('A' + (u % 25)); + + int v = columnCount - u - 1; + model.setData(model.index(0, u), col); + model.setData(model.index(1, v), col); + + model.setData(model.index(0, u), f, Qt::FontRole); + model.setData(model.index(1, v), f, Qt::FontRole); + } + tableView->setModel(&model); + + for (int u = 0; u < columnCount; ++ u) + tableView->horizontalHeader()->resizeSection(u, 60); + + // Make last index in first row a bit special + f.setPixelSize(96); + model.setData(model.index(0, columnCount - 1), f, Qt::FontRole); + model.setData(model.index(0, columnCount - 1), QString::fromLatin1("qI")); + tableView->horizontalHeader()->resizeSection(columnCount - 1, 140); + + tableView->verticalHeader()->setSectionResizeMode(0, QHeaderView::ResizeToContents); + tableView->verticalHeader()->setSectionResizeMode(1, QHeaderView::ResizeToContents); + spinPrecision->setValue(tableView->verticalHeader()->resizeContentsPrecision()); + connect(spinPrecision, SIGNAL(valueChanged(int)), this, SLOT(slotValueChanged(int))); + } // setupUi +protected slots: + void slotValueChanged(int newval); +protected: + QGridLayout *gridLayout; + QTableView *tableView; + QSpinBox *spinPrecision; + QSpacerItem *verticalSpacer; + QStandardItemModel model; +}; + +void TableDialog::slotValueChanged(int newval) +{ + tableView->verticalHeader()->setResizeContentsPrecision(newval, true); +} + + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + TableDialog d1; + d1.show(); + app.exec(); +} + +#include "testtable2.moc" diff --git a/tests/manual/widgets/itemviews/autoResizePrecision/tablevert/testtable2.pro b/tests/manual/widgets/itemviews/autoResizePrecision/tablevert/testtable2.pro new file mode 100644 index 0000000000..b887fcb14b --- /dev/null +++ b/tests/manual/widgets/itemviews/autoResizePrecision/tablevert/testtable2.pro @@ -0,0 +1,2 @@ +SOURCES = testtable2.cpp +QT += widgets diff --git a/tests/manual/widgets/itemviews/autoResizePrecision/treeview/testtree.cpp b/tests/manual/widgets/itemviews/autoResizePrecision/treeview/testtree.cpp new file mode 100644 index 0000000000..c48d933fcd --- /dev/null +++ b/tests/manual/widgets/itemviews/autoResizePrecision/treeview/testtree.cpp @@ -0,0 +1,132 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Thorbjørn Lund Martsum - tmartsum[at]gmail.com +** Contact: http://www.qt-project.org/legal +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** 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, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtWidgets/QtWidgets> + +class TreeDialog : public QDialog +{ + Q_OBJECT +public: + TreeDialog() { create(); } +protected: + void create() + { + resize(1000, 233); + gridLayout = new QGridLayout(this); + treeWidget = new QTreeWidget(this); + + gridLayout->addWidget(treeWidget, 0, 0, 2, 1); + spinPrecision = new QSpinBox(this); + gridLayout->addWidget(spinPrecision, 0, 1, 1, 1); + verticalSpacer = new QSpacerItem(20, 20, QSizePolicy::Minimum, QSizePolicy::Expanding); + gridLayout->addItem(verticalSpacer, 1, 1, 1, 1); + + QStringList itemInfo("Col1"); + itemInfo.append("Col2"); + itemInfo.append("Col3"); + itemInfo.append("Dummy"); + // Developer no. could also have been social security number og some other id. + treeWidget->setHeaderLabels(itemInfo); + + QStringList sl1("This is Root Item"); + sl1.append("i"); + QTreeWidgetItem *rootitem = new QTreeWidgetItem(treeWidget, sl1); + + QStringList sl2("This is Child1 Item"); + sl2.append("WW"); + QTreeWidgetItem *child1 = new QTreeWidgetItem(rootitem, sl2); + + QString ii = QString::fromLatin1("ii"); + QStringList is; + const int rowCount = 3000; + spinPrecision->setMinimum(-1); + spinPrecision->setMaximum(rowCount + 5); + for (int u = 0; u < rowCount; ++u) { + if (u % 25 == 0) + ii += QString::fromLatin1("i"); + else + ii[ii.length() - 1] = QChar::fromLatin1('a' + (u % 25)); + ii[ii.length() - 2] = QChar::fromLatin1('i'); + is.append(ii); + } + + for (int u = 0; u < rowCount - 2; ++u) { // -2 since we have rootitem and child1 + QString col1; + col1 = QString::fromLatin1("This is child item %1").arg(u + 2); + + QStringList sl(col1); + sl.append(is[u]); + sl.append(is[rowCount - u - 1]); + + if (u > 500) + new QTreeWidgetItem(rootitem, sl); + else + new QTreeWidgetItem(child1, sl); + } + treeWidget->header()->setSectionResizeMode(0, QHeaderView::ResizeToContents); + treeWidget->header()->setSectionResizeMode(1, QHeaderView::ResizeToContents); + treeWidget->header()->setSectionResizeMode(2, QHeaderView::ResizeToContents); + spinPrecision->setValue(treeWidget->header()->resizeContentsPrecision()); + connect(spinPrecision, SIGNAL(valueChanged(int)), this, SLOT(slotValueChanged(int))); + } // setupUi +protected slots: + void slotValueChanged(int newval); +protected: + QGridLayout *gridLayout; + QTreeWidget *treeWidget; + QSpinBox *spinPrecision; + QSpacerItem *verticalSpacer; +}; + +void TreeDialog::slotValueChanged(int newval) +{ + treeWidget->header()->setResizeContentsPrecision(newval, true); +} + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + TreeDialog d1; + d1.show(); + app.exec(); +} + +#include "testtree.moc" diff --git a/tests/manual/widgets/itemviews/autoResizePrecision/treeview/testtree.pro b/tests/manual/widgets/itemviews/autoResizePrecision/treeview/testtree.pro new file mode 100644 index 0000000000..c062586eac --- /dev/null +++ b/tests/manual/widgets/itemviews/autoResizePrecision/treeview/testtree.pro @@ -0,0 +1,2 @@ +SOURCES = testtree.cpp +QT += widgets |