mirror of
https://github.com/KDE/konsole.git
synced 2026-06-11 15:35:09 -04:00
4b2cd7c4d9
Summary: Since minimum Qt version is 5.9.7, code for older versions is not needed. Reviewers: #konsole, hindenburg Reviewed By: #konsole, hindenburg Subscribers: hindenburg, konsole-devel Tags: #konsole Differential Revision: https://phabricator.kde.org/D17746
68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
/*
|
|
Copyright 2015 by Lindsay Roberts <os@lindsayr.com>
|
|
|
|
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 2 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, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
02110-1301 USA.
|
|
*/
|
|
|
|
#include "ScrollState.h"
|
|
|
|
#include <QWheelEvent>
|
|
|
|
using namespace Konsole;
|
|
|
|
void ScrollState::addWheelEvent(const QWheelEvent *wheel)
|
|
{
|
|
if ((wheel->angleDelta().y() != 0) && (wheel->pixelDelta().y() == 0)) {
|
|
_remainingScrollPixel = 0;
|
|
} else {
|
|
_remainingScrollPixel += wheel->pixelDelta().y();
|
|
}
|
|
_remainingScrollAngle += wheel->angleDelta().y();
|
|
}
|
|
|
|
void ScrollState::clearAll()
|
|
{
|
|
_remainingScrollPixel = 0;
|
|
_remainingScrollAngle = 0;
|
|
}
|
|
|
|
int ScrollState::consumeLegacySteps(int stepsize)
|
|
{
|
|
if (stepsize < 1) {
|
|
stepsize = DEFAULT_ANGLE_SCROLL_LINE;
|
|
}
|
|
const int steps = _remainingScrollAngle / stepsize;
|
|
_remainingScrollAngle -= steps * stepsize;
|
|
if (steps != 0) {
|
|
_remainingScrollPixel = 0;
|
|
}
|
|
return steps;
|
|
}
|
|
|
|
int ScrollState::consumeSteps(int pixelStepSize, int angleStepSize)
|
|
{
|
|
if (_remainingScrollPixel != 0) {
|
|
int steps = _remainingScrollPixel / pixelStepSize;
|
|
_remainingScrollPixel -= steps * pixelStepSize;
|
|
_remainingScrollAngle = 0;
|
|
return steps;
|
|
}
|
|
int steps = _remainingScrollAngle / angleStepSize;
|
|
_remainingScrollAngle -= steps * angleStepSize;
|
|
_remainingScrollPixel = 0;
|
|
return steps;
|
|
}
|