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QmlProfiler: Put height of rows in the timeline into the model

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Like that we can provide functionality to interactively resize rows in
the model so that one can zoom in to more interesting parts.

Change-Id: I31f14cd8aa37703240ebec744ca2e77188fb0f27
Reviewed-by: Kai Koehne <kai.koehne@digia.com>
This commit is contained in:
Ulf Hermann
2014-06-18 11:20:41 +02:00
parent d1cd1a490c
commit 63ca524069
10 changed files with 180 additions and 65 deletions
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60
src/plugins/qmlprofiler/abstracttimelinemodel.cpp
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@@ -32,6 +32,7 @@
namespace QmlProfiler {
static const int DefaultRowHeight = 30;
AbstractTimelineModel::AbstractTimelineModel(AbstractTimelineModelPrivate *dd,
const QString &name, const QString &label, QmlDebug::Message message,
@@ -122,6 +123,63 @@ bool AbstractTimelineModel::isEmpty() const
return count() == 0;
}
int AbstractTimelineModel::rowHeight(int rowNumber) const
{
Q_D(const AbstractTimelineModel);
if (!expanded())
return DefaultRowHeight;
if (d->rowOffsets.length() > rowNumber)
return d->rowOffsets[rowNumber] - (rowNumber > 0 ? d->rowOffsets[rowNumber - 1] : 0);
return DefaultRowHeight;
}
int AbstractTimelineModel::rowOffset(int rowNumber) const
{
Q_D(const AbstractTimelineModel);
if (rowNumber == 0)
return 0;
if (!expanded())
return DefaultRowHeight * rowNumber;
if (d->rowOffsets.length() >= rowNumber)
return d->rowOffsets[rowNumber - 1];
if (!d->rowOffsets.empty())
return d->rowOffsets.last() + (rowNumber - 1 - d->rowOffsets.length()) * DefaultRowHeight;
return rowNumber * DefaultRowHeight;
}
void AbstractTimelineModel::setRowHeight(int rowNumber, int height)
{
Q_D(AbstractTimelineModel);
if (!expanded())
return;
if (height < DefaultRowHeight)
height = DefaultRowHeight;
int nextOffset = d->rowOffsets.empty() ? 0 : d->rowOffsets.last();
while (d->rowOffsets.length() <= rowNumber)
d->rowOffsets << (nextOffset += DefaultRowHeight);
int difference = height - d->rowOffsets[rowNumber] +
(rowNumber > 0 ? d->rowOffsets[rowNumber - 1] : 0);
if (difference != 0) {
for (; rowNumber < d->rowOffsets.length(); ++rowNumber) {
d->rowOffsets[rowNumber] += difference;
}
emit rowHeightChanged();
}
}
int AbstractTimelineModel::height() const
{
Q_D(const AbstractTimelineModel);
int depth = rowCount();
if (!expanded() || d->rowOffsets.empty())
return depth * DefaultRowHeight;
return d->rowOffsets.last() + (depth - d->rowOffsets.length()) * DefaultRowHeight;
}
qint64 AbstractTimelineModel::traceStartTime() const
{
Q_D(const AbstractTimelineModel);
@@ -192,6 +250,8 @@ void AbstractTimelineModel::dataChanged()
default:
break;
}
d->rowOffsets.clear();
}
bool AbstractTimelineModel::eventAccepted(const QmlProfilerDataModel::QmlEventTypeData &event) const