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restable: do not use resize mode "ResizeToContents" on the table rows: this forces a full extraction of all rows at every opportunity. Also: cache doc and font which are repeatedly requested by calls to the model data() method

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This commit is contained in:
Jean-Francois Dockes 2020-09-22 17:19:34 +02:00
parent 4df9106b46
commit b6be476e84
2 changed files with 44 additions and 15 deletions
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53
src/qtgui/restable.cpp
View File

@ -301,6 +301,7 @@ void RecollModel::readDocSource()
void RecollModel::setDocSource(std::shared_ptr<DocSequence> nsource)
{
LOGDEB("RecollModel::setDocSource\n");
m_rowforcachedoc = -1;
if (!nsource) {
m_source = std::shared_ptr<DocSequence>();
} else {
@ -371,11 +372,15 @@ QVariant RecollModel::data(const QModelIndex& index, int role) const
// this to adjust the row height (there is probably a better way
// to do it in the delegate?)
if (role == Qt::FontRole && prefs.reslistfontsize > 0) {
QFont font = m_table->font();
int fs = prefs.reslistfontsize <= fsadjusttable ? prefs.reslistfontsize:
prefs.reslistfontsize - fsadjusttable;
font.setPointSize(fs);
return font;
if (m_reslfntszforcached != prefs.reslistfontsize) {
m_reslfntszforcached = prefs.reslistfontsize;
m_table->setDefRowHeight();
m_cachedfont = m_table->font();
int fs = prefs.reslistfontsize <= fsadjusttable ?
prefs.reslistfontsize: prefs.reslistfontsize - fsadjusttable;
m_cachedfont.setPointSize(fs);
}
return m_cachedfont;
}
if (!m_source || role != Qt::DisplayRole || !index.isValid() ||
@ -383,14 +388,17 @@ QVariant RecollModel::data(const QModelIndex& index, int role) const
return QVariant();
}
Rcl::Doc doc;
if (!m_source->getDoc(index.row(), doc)) {
return QVariant();
if (m_rowforcachedoc != index.row()) {
m_rowforcachedoc = index.row();
LOGINF("RecollModel::data: calling getDoc for row "<<index.row()<<"\n");
if (!m_source->getDoc(index.row(), m_cachedoc)) {
return QVariant();
}
}
string colname = m_fields[index.column()];
string data = m_getters[index.column()](colname, doc);
string data = m_getters[index.column()](colname, m_cachedoc);
#ifndef _WIN32
// Special case url, because it may not be utf-8. URL-encode in this case.
@ -535,6 +543,26 @@ public:
}
};
void ResTable::setDefRowHeight()
{
QHeaderView *header = tableView->verticalHeader();
if (header) {
// Don't do this: it forces a query on the whole model (all
// docs) to compute the height. No idea why this was needed,
// things seem to work ok without it. The row height does not
// shrink when the font is reduced, but I'm not sure that it
// worked before.
// header->setSectionResizeMode(QHeaderView::ResizeToContents);
// Compute ourselves instead, for one row.
QFont font = tableView->font();
int fs = prefs.reslistfontsize <= fsadjusttable ?
prefs.reslistfontsize : prefs.reslistfontsize - fsadjusttable;
font.setPointSize(fs);
QFontMetrics fm(font);
header->setDefaultSectionSize(fm.height() + ROWHEIGHTPAD);
}
}
void ResTable::init()
{
if (!(m_model = new RecollModel(prefs.restableFields, this)))
@ -574,12 +602,7 @@ void ResTable::init()
header->setMovable(true);
#endif
header = tableView->verticalHeader();
if (header) {
header->setDefaultSectionSize(QApplication::fontMetrics().height() +
ROWHEIGHTPAD);
header->setSectionResizeMode(QHeaderView::ResizeToContents);
}
setDefRowHeight();
QShortcut *sc = new QShortcut(QKeySequence(Qt::Key_Escape), this);
connect(sc, SIGNAL(activated()), tableView->selectionModel(), SLOT(clear()));

6
src/qtgui/restable.h
View File

@ -82,6 +82,11 @@ private:
bool m_ignoreSort;
FieldGetter* chooseGetter(const std::string&);
HighlightData m_hdata;
// Things we cache because we are repeatedly asked for the same.
mutable QFont m_cachedfont;
mutable int m_reslfntszforcached{-1};
mutable Rcl::Doc m_cachedoc;
mutable int m_rowforcachedoc{-1};
};
class ResTable;
@ -127,6 +132,7 @@ public:
virtual int getDetailDocNumOrTopRow();
void setRclMain(RclMain *m, bool ismain);
void setDefRowHeight();
public slots:
virtual void onTableView_currentChanged(const QModelIndex&);