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33 #include "treewidgetcolumnstretcher.h"
34 #include <QtGui/QTreeWidget>
35 #include <QtGui/QHideEvent>
36 #include <QtGui/QHeaderView>
38 using namespace Utils;
41 \class Utils::TreeWidgetColumnStretcher
43 \brief The class fixes QTreeWidget to resize all columns to contents, except one
46 As opposed to standard QTreeWidget, all columns are
47 still interactively resizable.
50 TreeWidgetColumnStretcher::TreeWidgetColumnStretcher(QTreeWidget *treeWidget, int columnToStretch)
51 : QObject(treeWidget->header()), m_columnToStretch(columnToStretch)
53 parent()->installEventFilter(this);
55 TreeWidgetColumnStretcher::eventFilter(parent(), &fake);
58 bool TreeWidgetColumnStretcher::eventFilter(QObject *obj, QEvent *ev)
60 if (obj == parent()) {
61 if (ev->type() == QEvent::Show) {
62 QHeaderView *hv = qobject_cast<QHeaderView*>(obj);
63 for (int i = 0; i < hv->count(); ++i)
64 hv->setResizeMode(i, QHeaderView::Interactive);
65 } else if (ev->type() == QEvent::Hide) {
66 QHeaderView *hv = qobject_cast<QHeaderView*>(obj);
67 for (int i = 0; i < hv->count(); ++i)
68 hv->setResizeMode(i, i == m_columnToStretch ? QHeaderView::Stretch : QHeaderView::ResizeToContents);
69 } else if (ev->type() == QEvent::Resize) {
70 QHeaderView *hv = qobject_cast<QHeaderView*>(obj);
71 if (hv->resizeMode(m_columnToStretch) == QHeaderView::Interactive) {
72 QResizeEvent *re = static_cast<QResizeEvent*>(ev);
73 int diff = re->size().width() - re->oldSize().width() ;
74 hv->resizeSection(m_columnToStretch, qMax(32, hv->sectionSize(1) + diff));