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ghostwriter/src/SessionStatistics.cpp at dev · jackcoolpython/ghostwriter · GitHub
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SessionStatistics.cpp
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SessionStatistics.cpp
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/*
**********************************************************************
*
* Copyright (C) 2016-2018 wereturtle
*
* 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
<
QTimer
>
#
include
"
SessionStatistics.h
"
SessionStatistics::SessionStatistics
(QObject* parent)
: QObject(parent)
{
sessionTimer =
new
QTimer
(
this
);
connect
(sessionTimer,
SIGNAL
(
timeout
()),
this
,
SLOT
(
onSessionTimerExpired
()));
sessionTimer->
setInterval
(
1000
);
idle =
true
;
startNewSession
(
0
);
}
SessionStatistics::~SessionStatistics
()
{
}
void
SessionStatistics::startNewSession
(
int
initialWordCount)
{
sessionWordCount =
0
;
totalWordsWritten =
0
;
lastWordCount = initialWordCount;
totalSeconds =
0
;
idleSeconds =
0
;
secondsSinceTypingPaused =
0
;
idle =
true
;
sessionTimer->
stop
();
sessionTimer->
start
();
emit
wordCountChanged
(
0
);
emit
pageCountChanged
(
0
);
emit
wordsPerMinuteChanged
(
0
);
emit
writingTimeChanged
(
0
);
emit
idleTimePercentageChanged
(
100
);
}
void
SessionStatistics::onDocumentWordCountChanged
(
int
newWordCount)
{
int
deltaWords = newWordCount - lastWordCount;
if
(deltaWords >
0
)
{
totalWordsWritten += deltaWords;
}
sessionWordCount += deltaWords;
lastWordCount = newWordCount;
if
(sessionWordCount <
0
)
{
sessionWordCount =
0
;
}
emit
wordCountChanged
(sessionWordCount);
emit
pageCountChanged
(sessionWordCount /
250
);
//
For the first minute of the session, calculate WPM.
//
Afterward, only update WPM when the session timer
//
expires to keep the count from looking jittery.
//
if
(totalSeconds <
60
)
{
emit
wordsPerMinuteChanged
(
calculateWPM
());
}
}
void
SessionStatistics::onTypingPaused
()
{
idle =
true
;
}
void
SessionStatistics::onTypingResumed
()
{
idle =
false
;
secondsSinceTypingPaused =
0
;
}
void
SessionStatistics::onSessionTimerExpired
()
{
if
(idle)
{
//
typingPaused signal from editor can be milliseconds apart from the
//
last keystroke. Ensure that idleSeconds gets incremented only if
//
about 1 second has passed since the typingPaused signal was emitted.
//
if
(secondsSinceTypingPaused >=
1
)
{
idleSeconds++;
}
secondsSinceTypingPaused++;
}
totalSeconds++;
emit
wordsPerMinuteChanged
(
calculateWPM
());
emit
writingTimeChanged
(totalSeconds /
60
);
emit
idleTimePercentageChanged
((
int
) (((
float
)idleSeconds / (
float
)totalSeconds) *
100
.
0f
));
}
int
SessionStatistics::calculateWPM
()
const
{
unsigned
long
delta = totalSeconds - idleSeconds;
if
(delta >
0
)
{
return
(
int
)(((
float
)totalWordsWritten *
60
.
0f
) / (
float
)delta);
}
else
{
return
totalWordsWritten;
}
}
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