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Utils::BaseTreeView: Adjust column size by mouse click

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Single click on either header or unoccupied part of the
view will toggle the respective column width between
a large value based on contents contents width and a
small fixed one (8ex). Previously it only expanded.

Change-Id: I2c5865a3b0bad7593a47976626d4c516e021c157
Reviewed-by: Eike Ziller <eike.ziller@digia.com>
This commit is contained in:
hjk
2014-05-29 00:56:11 +02:00
parent 26b54747e2
commit f84e5eed74
2 changed files with 12 additions and 6 deletions
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14
src/libs/utils/basetreeview.cpp
View File

@@ -73,7 +73,7 @@ BaseTreeView::BaseTreeView(QWidget *parent)
connect(this, SIGNAL(clicked(QModelIndex)), connect(this, SIGNAL(clicked(QModelIndex)),
SLOT(rowClickedHelper(QModelIndex))); SLOT(rowClickedHelper(QModelIndex)));
connect(header(), SIGNAL(sectionClicked(int)), connect(header(), SIGNAL(sectionClicked(int)),
SLOT(headerSectionClicked(int))); SLOT(toggleColumnWidth(int)));
m_adjustColumnsAction = new QAction(tr("Adjust Column Widths to Contents"), this); m_adjustColumnsAction = new QAction(tr("Adjust Column Widths to Contents"), this);
m_alwaysAdjustColumnsAction = 0; m_alwaysAdjustColumnsAction = 0;
@@ -122,8 +122,9 @@ void BaseTreeView::setModel(QAbstractItemModel *model)
void BaseTreeView::mousePressEvent(QMouseEvent *ev) void BaseTreeView::mousePressEvent(QMouseEvent *ev)
{ {
Utils::TreeView::mousePressEvent(ev); Utils::TreeView::mousePressEvent(ev);
if (!indexAt(ev->pos()).isValid()) const QModelIndex mi = indexAt(ev->pos());
resizeColumnsToContents(); if (!mi.isValid())
toggleColumnWidth(columnAt(ev->x()));
} }
void BaseTreeView::resizeColumnsToContents() void BaseTreeView::resizeColumnsToContents()
@@ -140,8 +141,13 @@ void BaseTreeView::setAlwaysResizeColumnsToContents(bool on)
header()->setResizeMode(0, mode); header()->setResizeMode(0, mode);
} }
void BaseTreeView::headerSectionClicked(int logicalIndex) void BaseTreeView::toggleColumnWidth(int logicalIndex)
{ {
const int hint = sizeHintForColumn(logicalIndex);
const int size = 8 * QFontMetrics(font()).width(QLatin1Char('x'));
if (hint == header()->sectionSize(logicalIndex))
header()->resizeSection(logicalIndex, size);
else
resizeColumnToContents(logicalIndex); resizeColumnToContents(logicalIndex);
} }

2
src/libs/utils/basetreeview.h
View File

@@ -64,7 +64,7 @@ protected slots:
private slots: private slots:
void rowActivatedHelper(const QModelIndex &index) { rowActivated(index); } void rowActivatedHelper(const QModelIndex &index) { rowActivated(index); }
void rowClickedHelper(const QModelIndex &index) { rowClicked(index); } void rowClickedHelper(const QModelIndex &index) { rowClicked(index); }
void headerSectionClicked(int logicalIndex); void toggleColumnWidth(int logicalIndex);
private: private:
QAction *m_alwaysAdjustColumnsAction; QAction *m_alwaysAdjustColumnsAction;