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configChanged() support

Browse source 
since reloading is costly it checks if something is actually changed
before reloading

patch by Rohan Garg
CCMAIL:rohangarg@ubuntu.com
CCMAIL:fredrik@kde.org


svn path=/trunk/KDE/kdebase/apps/; revision=1175746
This commit is contained in:
Marco Martin 2010-09-15 19:16:44 +00:00
parent c5fcd00018
commit 6539d709dc
1 changed files with 111 additions and 3 deletions
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114
plasma/applets/folderview/folderview.cpp
View file

@ -416,10 +416,118 @@ void FolderView::init()
void FolderView::configChanged()
{
//TODO: reload all other config values there
KConfigGroup cg = config();
setUrl(cg.readEntry("url", m_url));
m_dirModel->dirLister()->openUrl(m_url);
//Declare some variables that are used afterwards
bool needReload = false;
bool preserveIconPositions = false;
//Reload m_customLabel values
QString label = m_customLabel;
m_customLabel = cg.readEntry("customLabel", m_customLabel);
if (label != m_customLabel) {
needReload = true;
}
//Reload m_customIconSize values
const int size = m_customIconSize;
m_customIconSize = cg.readEntry("customIconSize", m_customIconSize);
if (size != iconSize().width()) {
needReload = true;
}
m_showPreviews = cg.readEntry("showPreviews", m_showPreviews);
m_drawShadows = cg.readEntry("drawShadows", m_drawShadows);
m_iconsLocked = cg.readEntry("iconsLocked", m_iconsLocked);
m_alignToGrid = cg.readEntry("alignToGrid", m_alignToGrid);
m_numTextLines = cg.readEntry("numTextLines", m_numTextLines);
const int filterType = m_filterType;
m_filterType = cg.readEntry("filter", m_filterType);
if (filterType != m_filterType) {
needReload = true;
}
QColor color = m_textColor;
m_textColor = cg.readEntry("textColor", m_textColor);
if (color != m_textColor) {
needReload = true;
}
m_previewPlugins = cg.readEntry("previewPlugins", m_previewPlugins);
if (m_previewGenerator && m_previewPlugins != m_previewGenerator->enabledPlugins()) {
m_previewGenerator->setEnabledPlugins(m_previewPlugins);
//Changing the preview plugins will also need a reload to work, so we need to preserve
//the icons position
needReload = true;
preserveIconPositions = true;
}
m_sortDirsFirst = cg.readEntry("sortDirsFirst", m_sortDirsFirst);
toggleDirectoriesFirst(m_sortDirsFirst);
const int sortColumn = m_sortColumn;
m_sortColumn = cg.readEntry("sortColumn", m_sortColumn);
if (m_sortColumn != sortColumn) {
if (m_sortColumn != -1) {
m_model->invalidate();
m_model->sort(m_sortColumn, Qt::AscendingOrder);
} else if (m_iconView) {
m_iconView->setCustomLayout(true);
}
updateSortActionsState();
}
const QString filterFiles = m_filterFiles;
m_filterFiles = cg.readEntry("filterFiles", m_filterFiles);
if (filterFiles != m_filterFiles) {
needReload = true;
}
const QStringList mimeFilter = m_filterFilesMimeList;
m_filterFilesMimeList = cg.readEntry("mimeFilter", m_filterFilesMimeList);
if (mimeFilter != m_filterFilesMimeList) {
needReload = true;
}
const KUrl url = m_url;
m_url = cg.readEntry("url", m_url);
if (url != m_url) {
setUrl(m_url);
needReload = true;
}
if (m_iconView) {
updateIconViewState();
}
if (m_listView) {
updateListViewState();
}
if (needReload) {
//Manually save and restore the icon positions if we need it
QStringList iconPositionsData;
if (preserveIconPositions && m_iconView) {
iconPositionsData = m_iconView->iconPositionsData();
}
if (preserveIconPositions && m_iconView) {
m_iconView->setIconPositionsData(iconPositionsData);
}
// So the KFileItemActions will be recreated for the new URL.
delete m_itemActions;
m_itemActions = 0;
m_dirModel->dirLister()->openUrl(m_url);
}
}
FolderView::~FolderView()