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Core: Delay use of style to fetch icons for unknown files

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Up to infinity on platforms that don't use it.

Change-Id: Ia732904886b1e850460759aa0097729cd65f3ad3
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
This commit is contained in:
hjk
2019-01-28 14:18:20 +01:00
parent 7e65693e31
commit e648c079b8
1 changed files with 5 additions and 6 deletions
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11
src/plugins/coreplugin/fileiconprovider.cpp
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@@ -68,7 +68,6 @@ class FileIconProviderImplementation : public QFileIconProvider
{
public:
FileIconProviderImplementation()
: m_unknownFileIcon(QApplication::style()->standardIcon(QStyle::SP_FileIcon))
{}
QIcon icon(const QFileInfo &info) const override;
@@ -103,8 +102,6 @@ public:
// Mapping of file suffix to icon.
mutable QHash<QString, QIcon> m_suffixCache;
QHash<QString, QIcon> m_filenameCache;
QIcon m_unknownFileIcon;
};
FileIconProviderImplementation *instance()
@@ -139,10 +136,12 @@ QIcon FileIconProviderImplementation::icon(const QFileInfo &fileInfo) const
// Get icon from OS (and cache it based on suffix!)
QIcon icon;
if (HostOsInfo::isWindowsHost() || HostOsInfo::isMacHost())
if (HostOsInfo::isWindowsHost() || HostOsInfo::isMacHost()) {
icon = QFileIconProvider::icon(fileInfo);
else // File icons are unknown on linux systems.
icon = isDir ? QFileIconProvider::icon(fileInfo) : m_unknownFileIcon;
} else { // File icons are unknown on linux systems.
static const QIcon unknownFileIcon(QApplication::style()->standardIcon(QStyle::SP_FileIcon));
icon = isDir ? QFileIconProvider::icon(fileInfo) : unknownFileIcon;
}
if (!isDir && !suffix.isEmpty())
m_suffixCache.insert(suffix, icon);
return icon;