From 27bdfe510edca34b37231ec78a171f053b4d72d7 Mon Sep 17 00:00:00 2001
From: dt <qtc-committer@nokia.com>
Date: Tue, 8 Jun 2010 17:36:47 +0200
Subject: [PATCH] Make the TaskView 10% faster by caching how wide "8888" is.
---
src/plugins/projectexplorer/taskwindow.cpp | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/src/plugins/projectexplorer/taskwindow.cpp b/src/plugins/projectexplorer/taskwindow.cpp
index 0deacbd4868..d01dd1a87d8 100644
--- a/src/plugins/projectexplorer/taskwindow.cpp
+++ b/src/plugins/projectexplorer/taskwindow.cpp
@@ -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)
--
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