matrixion/src/Splitter.cc

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2017-05-19 03:28:15 +03:00
/*
* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QDebug>
#include "Splitter.h"
Splitter::Splitter(int first_step, int second_step, QWidget *parent)
: QSplitter(parent)
, firstStep_{first_step}
, secondStep_{second_step}
{
connect(this, &QSplitter::splitterMoved, this, &Splitter::onSplitterMoved);
}
void Splitter::onSplitterMoved(int pos, int index)
{
Q_UNUSED(pos);
Q_UNUSED(index);
auto s = sizes();
if (s.count() < 2) {
qWarning() << "Splitter needs at least two children";
return;
}
if (s[0] == secondStep_) {
rightMoveCount_ += 1;
if (rightMoveCount_ > moveEventLimit_) {
auto left = widget(0);
auto pos = left->mapFromGlobal(QCursor::pos());
// if we are coming from the right, the cursor should
// end up on the first widget.
if (left->rect().contains(pos)) {
qDebug() << "Resizing left";
left->setMinimumWidth(firstStep_);
left->setMaximumWidth(firstStep_);
rightMoveCount_ = 0;
}
}
} else if (s[0] == firstStep_) {
leftMoveCount_ += 1;
if (leftMoveCount_ > moveEventLimit_) {
auto left = widget(0);
auto right = widget(1);
auto pos = right->mapFromGlobal(QCursor::pos());
// We move the start a little further so the transition isn't so abrupt.
auto extended = right->rect();
extended.translate(100, 0);
// if we are coming from the left, the cursor should
// end up on the second widget.
if (extended.contains(pos)) {
qDebug() << "Resizing Right";
left->setMinimumWidth(secondStep_);
left->setMaximumWidth(2 * secondStep_);
leftMoveCount_ = 0;
}
}
}
}