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historycompleter: make key configurable

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Make the dependency on it's "watchee's" object name configurable.

Change-Id: I461865e93f7971b3ddef83d7887cc1d551116d5e
Reviewed-by: hjk <qthjk@ovi.com>
This commit is contained in:
hjk
2012-08-22 13:53:21 +02:00
parent d76bc64f96
commit f5ce3a7f25
2 changed files with 72 additions and 88 deletions
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157
src/libs/utils/historycompleter.cpp
View File

@@ -45,57 +45,73 @@ static const char SETTINGS_PREFIX[] = "CompleterHistory/";
namespace Utils {
namespace Internal {
class HistoryListModel : public QAbstractListModel
class HistoryCompleterPrivate : public QAbstractListModel
{
public:
HistoryListModel(HistoryCompleter *parent);
HistoryCompleterPrivate(HistoryCompleter *parent);
int rowCount(const QModelIndex &parent = QModelIndex()) const;
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
void fetchHistory();
virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
virtual bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
void clearHistory();
void saveEntry(const QString &str);
bool eventFilter(QObject *obj, QEvent *event);
QStringList list;
QByteArray historyKey;
HistoryCompleter *completer;
QWidget *lastSeenWidget;
QSettings *settings;
int maxLines;
};
class HistoryCompleterPrivate
{
public:
HistoryCompleterPrivate(HistoryCompleter *parent);
HistoryCompleter *q;
HistoryListModel *model;
};
class HistoryLineDelegate : public QItemDelegate
{
public:
HistoryLineDelegate();
void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
HistoryLineDelegate()
: pixmap(QLatin1String(":/core/images/editclear.png"))
{}
void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QItemDelegate::paint(painter,option,index);
QRect r = QStyle::alignedRect(option.direction, Qt::AlignRight | Qt::AlignVCenter , pixmap.size(), option.rect);
painter->drawPixmap(r, pixmap);
}
QPixmap pixmap;
};
class HistoryLineView : public QListView
{
public:
HistoryCompleterPrivate *d;
HistoryLineView(HistoryCompleterPrivate *model_, int pixmapWith_)
: model(model_) , pixmapWidth(pixmapWith_)
{}
private:
void mousePressEvent(QMouseEvent *event)
{
int rr= event->x();
if (layoutDirection() == Qt::LeftToRight)
rr = viewport()->width() - event->x();
if (rr < pixmapWidth) {
model->removeRow(indexAt(event->pos()).row());
return;
}
QListView::mousePressEvent(event);
}
HistoryCompleterPrivate *model;
int pixmapWidth;
HistoryLineView(HistoryCompleterPrivate *d_, int pixmapWith_);
virtual void mousePressEvent(QMouseEvent *event);
};
} // namespace Internal
} // namespace Utils
using namespace Utils;
using namespace Utils::Internal;
using namespace Internal;
HistoryListModel::HistoryListModel(HistoryCompleter *parent)
HistoryCompleterPrivate::HistoryCompleterPrivate(HistoryCompleter *parent)
: QAbstractListModel(parent)
, completer(parent)
, lastSeenWidget(0)
@@ -104,7 +120,7 @@ HistoryListModel::HistoryListModel(HistoryCompleter *parent)
{
}
void HistoryListModel::fetchHistory()
void HistoryCompleterPrivate::fetchHistory()
{
if (!completer->widget() || !settings) {
list.clear();
@@ -118,17 +134,17 @@ void HistoryListModel::fetchHistory()
reset();
}
int HistoryListModel::rowCount(const QModelIndex &parent) const
int HistoryCompleterPrivate::rowCount(const QModelIndex &parent) const
{
if (lastSeenWidget != completer->widget()) {
if (lastSeenWidget)
const_cast<QWidget*>(lastSeenWidget)->removeEventFilter(const_cast<HistoryListModel *>(this));
const_cast<QWidget*>(completer->widget())->installEventFilter(const_cast<HistoryListModel *>(this));
lastSeenWidget->removeEventFilter(const_cast<HistoryCompleterPrivate *>(this));
completer->widget()->installEventFilter(const_cast<HistoryCompleterPrivate *>(this));
if (qobject_cast<QLineEdit *>(lastSeenWidget))
// this will result in spamming the history with garbage in some corner cases.
// not my idea.
disconnect(lastSeenWidget, SIGNAL(editingFinished()), completer, SLOT(saveHistory()));
HistoryListModel *that = const_cast<HistoryListModel *>(this);
HistoryCompleterPrivate *that = const_cast<HistoryCompleterPrivate *>(this);
that->lastSeenWidget = completer->widget();
that->fetchHistory();
if (qobject_cast<QLineEdit *>(lastSeenWidget))
@@ -139,7 +155,7 @@ int HistoryListModel::rowCount(const QModelIndex &parent) const
return list.count();
}
QVariant HistoryListModel::data(const QModelIndex &index, int role) const
QVariant HistoryCompleterPrivate::data(const QModelIndex &index, int role) const
{
if (index.row() >= list.count() || index.column() != 0)
return QVariant();
@@ -148,7 +164,7 @@ QVariant HistoryListModel::data(const QModelIndex &index, int role) const
return QVariant();
}
bool HistoryListModel::removeRows(int row, int count, const QModelIndex &parent)
bool HistoryCompleterPrivate::removeRows(int row, int count, const QModelIndex &parent)
{
beginRemoveRows (parent, row, row + count);
list.removeAt(row);
@@ -161,13 +177,13 @@ bool HistoryListModel::removeRows(int row, int count, const QModelIndex &parent)
return true;
}
void HistoryListModel::clearHistory()
void HistoryCompleterPrivate::clearHistory()
{
list.clear();
reset();
}
void HistoryListModel::saveEntry(const QString &str)
void HistoryCompleterPrivate::saveEntry(const QString &str)
{
if (str.isEmpty())
return;
@@ -193,7 +209,7 @@ void HistoryListModel::saveEntry(const QString &str)
settings->setValue(QLatin1String(SETTINGS_PREFIX) + objectName, list);
}
bool HistoryListModel::eventFilter(QObject *obj, QEvent *event)
bool HistoryCompleterPrivate::eventFilter(QObject *obj, QEvent *event)
{
if (event->type() == QEvent::KeyPress && static_cast<QKeyEvent *>(event)->key() == Qt::Key_Down) {
completer->setCompletionPrefix(QString());
@@ -202,31 +218,34 @@ bool HistoryListModel::eventFilter(QObject *obj, QEvent *event)
return QAbstractListModel::eventFilter(obj,event);
}
HistoryCompleter::HistoryCompleter(QSettings *settings, QObject *parent)
HistoryCompleter::HistoryCompleter(QSettings *settings, QObject *parent, const QByteArray &historyKey)
: QCompleter(parent)
, d(new HistoryCompleterPrivate(this))
{
d->model->settings = settings;
d->settings = settings;
// make an assumption to allow pressing of the down
// key, before the first model run:
// parent is likely the lineedit
if (historyKey.isEmpty())
d->historyKey = parent->objectName().toLatin1();
else
d->historyKey = historyKey;
if (d->historyKey.isEmpty())
return;
QWidget *p = qobject_cast<QWidget *>(parent);
if (p) {
p->installEventFilter(d->model);
QString objectName = p->objectName();
if (objectName.isEmpty())
return;
if (d->model->settings) {
d->model->list = d->model->settings->value(
QLatin1String(SETTINGS_PREFIX) + objectName).toStringList();
}
p->installEventFilter(d);
if (d->settings)
d->list = d->settings->value(QLatin1String(SETTINGS_PREFIX) + d->historyKey).toStringList();
}
QLineEdit *l = qobject_cast<QLineEdit *>(parent);
if (l && d->model->list.count())
l->setText(d->model->list.at(0));
if (l && d->list.count())
l->setText(d->list.at(0));
setModel(d->model);
setModel(d);
HistoryLineDelegate *delegate = new HistoryLineDelegate;
HistoryLineView *view = new HistoryLineView(d, delegate->pixmap.width());
setPopup(view);
@@ -240,63 +259,27 @@ HistoryCompleter::~HistoryCompleter()
int HistoryCompleter::historySize() const
{
return d->model->rowCount();
return d->rowCount();
}
int HistoryCompleter::maximalHistorySize() const
{
return d->model->maxLines;
return d->maxLines;
}
void HistoryCompleter::setMaximalHistorySize(int numberOfEntries)
{
d->model->maxLines = numberOfEntries;
d->maxLines = numberOfEntries;
}
void HistoryCompleter::clearHistory()
{
d->model->clearHistory();
d->clearHistory();
}
void HistoryCompleter::saveHistory()
{
d->model->saveEntry(completionPrefix());
}
HistoryCompleterPrivate::HistoryCompleterPrivate(HistoryCompleter *parent)
: q(parent)
, model(new HistoryListModel(parent))
{
}
HistoryLineDelegate::HistoryLineDelegate()
{
pixmap = QPixmap(QLatin1String(":/core/images/editclear.png"));
}
void HistoryLineDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QItemDelegate::paint(painter,option,index);
QRect r = QStyle::alignedRect(option.direction, Qt::AlignRight | Qt::AlignVCenter , pixmap.size(), option.rect);
painter->drawPixmap(r, pixmap);
}
HistoryLineView::HistoryLineView(HistoryCompleterPrivate *d_, int pixmapWith_)
: d(d_)
, pixmapWidth(pixmapWith_)
{
}
void HistoryLineView::mousePressEvent(QMouseEvent *event)
{
int rr= event->x();
if (layoutDirection() == Qt::LeftToRight)
rr = viewport()->width() - event->x();
if (rr < pixmapWidth) {
d->model->removeRow(indexAt(event->pos()).row());
return;
}
QListView::mousePressEvent(event);
d->saveEntry(completionPrefix());
}
} // namespace Utils

3
src/libs/utils/historycompleter.h
View File

@@ -48,7 +48,8 @@ class QTCREATOR_UTILS_EXPORT HistoryCompleter : public QCompleter
Q_OBJECT
public:
HistoryCompleter(QSettings *settings, QObject *parent);
HistoryCompleter(QSettings *settings, QObject *parent,
const QByteArray &historyKey = QByteArray());
~HistoryCompleter();
int historySize() const;
int maximalHistorySize() const;