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Make the TaskView 10% faster by caching how wide "8888" is.

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dt
2010-06-08 17:36:47 +02:00
parent 769e67c353
commit 27bdfe510e
1 changed files with 9 additions and 4 deletions
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13
src/plugins/projectexplorer/taskwindow.cpp
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@@ -142,6 +142,7 @@ private:
const QIcon m_warningIcon;
int m_taskCount;
int m_errorTaskCount;
int m_sizeOfLineNumber;
};
class TaskFilterModel : public QSortFilterProxyModel
@@ -221,7 +222,8 @@ TaskModel::TaskModel() :
m_errorIcon(QLatin1String(":/projectexplorer/images/compile_error.png")),
m_warningIcon(QLatin1String(":/projectexplorer/images/compile_warning.png")),
m_taskCount(0),
m_errorTaskCount(0)
m_errorTaskCount(0),
m_sizeOfLineNumber(0)
{
}
@@ -422,9 +424,12 @@ int TaskModel::sizeOfFile()
int TaskModel::sizeOfLineNumber()
{
QFont font;
QFontMetrics fm(font);
return fm.width("8888");
if (m_sizeOfLineNumber == 0) {
QFont font;
QFontMetrics fm(font);
m_sizeOfLineNumber = fm.width("8888");
}
return m_sizeOfLineNumber;
}
void TaskModel::setFileNotFound(const QModelIndex &idx, bool b)