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Projectexplorer: Delay querying for folder icon.

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As a custom icon is set in most cases anyway.

Reviewed-by: Robert Loehning <robert.loehning@nokia.com>
This commit is contained in:
Friedemann Kleint
2010-07-07 12:16:09 +02:00
parent b546e979d3
commit 60bf641041
2 changed files with 5 additions and 3 deletions
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6
src/plugins/projectexplorer/projectnodes.cpp
View File

@@ -154,8 +154,7 @@ bool FileNode::isGenerated() const
*/ */
FolderNode::FolderNode(const QString &folderPath) : FolderNode::FolderNode(const QString &folderPath) :
Node(FolderNodeType, folderPath), Node(FolderNodeType, folderPath),
m_displayName(QDir::toNativeSeparators(folderPath)), m_displayName(QDir::toNativeSeparators(folderPath))
m_icon(Core::FileIconProvider::instance()->icon(QFileIconProvider::Folder))
{ {
} }
@@ -182,6 +181,9 @@ QString FolderNode::displayName() const
*/ */
QIcon FolderNode::icon() const QIcon FolderNode::icon() const
{ {
// Instantiating the Icon provider is expensive.
if (m_icon.isNull())
m_icon = Core::FileIconProvider::instance()->icon(QFileIconProvider::Folder);
return m_icon; return m_icon;
} }

2
src/plugins/projectexplorer/projectnodes.h
View File

@@ -147,7 +147,7 @@ private:
// managed by ProjectNode // managed by ProjectNode
friend class ProjectNode; friend class ProjectNode;
QString m_displayName; QString m_displayName;
QIcon m_icon; mutable QIcon m_icon;
}; };
class PROJECTEXPLORER_EXPORT ProjectNode : public FolderNode class PROJECTEXPLORER_EXPORT ProjectNode : public FolderNode