#include "types.h"
#include "client.h"
-struct LazySizeHint {
- LazySizeHint() : size(QSize()), needsUpdate(true) {};
- QSize size;
- bool needsUpdate;
+class ExpandAllEvent : public QEvent {
+public:
+ ExpandAllEvent() : QEvent(QEvent::User) {}
};
NickView::NickView(QWidget *parent)
- : QTreeView(parent),
- _sizeHint(new LazySizeHint())
+ : QTreeView(parent)
{
setIndentation(10);
setAnimated(true);
this, SLOT(startQuery( const QModelIndex& )));
}
-NickView::~NickView() {
- delete _sizeHint;
- _sizeHint = 0;
-}
-
void NickView::init() {
if(!model())
return;
for(int i = 1; i < model()->columnCount(); i++)
setColumnHidden(i, true);
-
- expandAll();
- _sizeHint->needsUpdate = true;
}
void NickView::setModel(QAbstractItemModel *model) {
void NickView::rowsInserted(const QModelIndex &parent, int start, int end) {
QTreeView::rowsInserted(parent, start, end);
- if(model()->data(parent, NetworkModel::ItemTypeRole) == NetworkModel::UserCategoryItemType && !isExpanded(parent))
- expand(parent);
- _sizeHint->needsUpdate = true;
-}
-
-void NickView::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end) {
- QTreeView::rowsAboutToBeRemoved(parent, start, end);
- _sizeHint->needsUpdate = true;
+ if(model()->data(parent, NetworkModel::ItemTypeRole) == NetworkModel::UserCategoryItemType && !isExpanded(parent)) {
+ QCoreApplication::postEvent(this, new ExpandAllEvent);
+ }
}
-void NickView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
- QTreeView::dataChanged(topLeft, bottomRight);
- _sizeHint->needsUpdate = true;
+void NickView::setRootIndex(const QModelIndex &index) {
+ QAbstractItemView::setRootIndex(index);
+ if(index.isValid())
+ QCoreApplication::postEvent(this, new ExpandAllEvent);
}
QString NickView::nickFromModelIndex(const QModelIndex & index) {
Client::instance()->userInput(bufferInfo, command);
}
-QSize NickView::sizeHint() const {
- Q_CHECK_PTR(_sizeHint);
- if(_sizeHint->needsUpdate && model()) {;
- int columnSize = 0;
- for(int i = 0; i < model()->columnCount(); i++) {
- if(!isColumnHidden(i))
- columnSize += sizeHintForColumn(i);
+void NickView::customEvent(QEvent *event) {
+ // THIS IS A REPLACEMENT FOR expandAll()
+ /* WARNING: do not call expandAll()!
+ * it fucks up big time in combination with sorting and changing the rootIndex
+ * the following sequence of commands leads to unexpected behavior when inserting new items
+ * setSortingEnabled(true);
+ * setModel();
+ * expandAll();
+ * setRootIndex();
+ */
+ if(event->type() != QEvent::User)
+ return;
+
+ QModelIndex topLevelIdx;
+ for(int i = 0; i < model()->rowCount(rootIndex()); i++) {
+ topLevelIdx = model()->index(i, 0, rootIndex());
+ if(isExpanded(topLevelIdx))
+ continue;
+ else {
+ expand(topLevelIdx);
+ if(i < model()->rowCount(rootIndex()) - 1)
+ QCoreApplication::postEvent(this, new ExpandAllEvent);
+ break;
}
- _sizeHint->size = QSize(columnSize, 50);
- _sizeHint->needsUpdate = false;
}
- return _sizeHint->size;
+ event->accept();
}