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87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
/*
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* This file is part of KDevelop
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*
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* Copyright 2008 Vladimir Prus <ghost@cs.msu.su>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <QApplication>
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#include <QDesktopWidget>
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#include "treeview.h"
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#include "treemodel.h"
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using namespace KDevelop;
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AsyncTreeView::AsyncTreeView(TreeModel* model, QWidget *parent = 0)
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: QTreeView(parent)
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{
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setModel(model);
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connect (this, SIGNAL(expanded(QModelIndex)),
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this, SLOT(slotExpanded(QModelIndex)));
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connect (this, SIGNAL(collapsed(QModelIndex)),
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this, SLOT(slotCollapsed(QModelIndex)));
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connect (this, SIGNAL(clicked(QModelIndex)),
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this, SLOT(slotClicked(QModelIndex)));
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connect (model, SIGNAL(itemChildrenReady()),
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this, SLOT(slotExpandedDataReady()));
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}
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void AsyncTreeView::slotExpanded(const QModelIndex &index)
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{
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static_cast<TreeModel*>(model())->expanded(index);
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}
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void AsyncTreeView::slotCollapsed(const QModelIndex &index)
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{
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static_cast<TreeModel*>(model())->collapsed(index);
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resizeColumns();
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}
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void AsyncTreeView::slotClicked(const QModelIndex &index)
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{
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static_cast<TreeModel*>(model())->clicked(index);
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resizeColumns();
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}
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QSize AsyncTreeView::sizeHint() const
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{
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//Assuming that columns are awlays resized to fit their contents, return a size that will fit all without a scrollbar
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QMargins margins = contentsMargins();
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int horizontalSize = margins.left() + margins.right();
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for (int i = 0; i < model()->columnCount(); ++i) {
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horizontalSize += columnWidth(i);
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}
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horizontalSize = qMin(horizontalSize, QApplication::desktop()->screenGeometry().width()*3/4);
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return QSize(horizontalSize, margins.top() + margins.bottom() + sizeHintForRow(0));
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}
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void AsyncTreeView::resizeColumns()
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{
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for (int i = 0; i < model()->columnCount(); ++i) {
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this->resizeColumnToContents(i);
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}
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this->updateGeometry();
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}
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void AsyncTreeView::slotExpandedDataReady()
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{
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resizeColumns();
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}
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#include "moc_treeview.cpp"
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