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63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
/*
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2 as published by the Free Software Foundation.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "focusedtreeview.h"
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#include <QScrollBar>
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namespace KDevelop {
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FocusedTreeView::FocusedTreeView(QWidget* parent) : QTreeView(parent) {
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setVerticalScrollMode(ScrollPerItem);
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connect(verticalScrollBar(), SIGNAL(valueChanged(int)), SLOT(resizeColumnsToContents()));
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}
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int FocusedTreeView::sizeHintForColumn(int column) const {
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QModelIndex i = indexAt(QPoint(0, 0));
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if(i.isValid()) {
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QSize hint = sizeHintForIndex(i);
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int maxWidth = hint.width();
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if(hint.height()) {
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//Also consider one item above, because else we can get problems with
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//the vertical scroll-bar
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for(int a = -1; a < (height() / hint.height())+1; ++a) {
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QModelIndex current = i.sibling(i.row()+a, column);
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QSize tempHint = sizeHintForIndex(current);
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if(tempHint.width() > maxWidth)
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maxWidth = tempHint.width();
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}
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}
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return maxWidth;
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}
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return columnWidth(column);
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}
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void FocusedTreeView::resizeColumnsToContents() {
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if (!model()) {
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// might happen on shutdown
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return;
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}
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for(int a = 0; a < model()->columnCount(); ++a)
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resizeColumnToContents(a);
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}
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void FocusedTreeView::rowsInserted(const QModelIndex& parent, int start, int end) {
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QTreeView::rowsInserted(parent, start, end);
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resizeColumnsToContents();
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}
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}
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#include "moc_focusedtreeview.cpp"
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