#include "types.h"
#include "client.h"
+struct LazySizeHint {
+ LazySizeHint() : size(QSize()), needsUpdate(true) {};
+ QSize size;
+ bool needsUpdate;
+};
NickView::NickView(QWidget *parent)
: QTreeView(parent),
- _sizeHint(QTreeView::sizeHint())
+ _sizeHint(new LazySizeHint())
{
setIndentation(10);
setAnimated(true);
}
NickView::~NickView() {
+ delete _sizeHint;
+ _sizeHint = 0;
}
void NickView::init() {
setColumnHidden(i, true);
expandAll();
- updateSizeHint();
+ _sizeHint->needsUpdate = true;
}
void NickView::setModel(QAbstractItemModel *model) {
QTreeView::rowsInserted(parent, start, end);
if(model()->data(parent, NetworkModel::ItemTypeRole) == NetworkModel::UserCategoryItemType && !isExpanded(parent))
expand(parent);
- updateSizeHint();
+ _sizeHint->needsUpdate = true;
}
void NickView::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end) {
QTreeView::rowsAboutToBeRemoved(parent, start, end);
- updateSizeHint();
+ _sizeHint->needsUpdate = true;
}
void NickView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
QTreeView::dataChanged(topLeft, bottomRight);
- updateSizeHint();
+ _sizeHint->needsUpdate = true;
}
QString NickView::nickFromModelIndex(const QModelIndex & index) {
Client::instance()->userInput(bufferInfo, command);
}
-void NickView::updateSizeHint() {
- if(!model())
- return;
-
- int columnSize = 0;
- for(int i = 0; i < model()->columnCount(); i++) {
- if(!isColumnHidden(i))
- columnSize += sizeHintForColumn(i);
- }
-
- _sizeHint = QSize(columnSize, 50);
-}
-
QSize NickView::sizeHint() const {
- return _sizeHint;
+ 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);
+ }
+ _sizeHint->size = QSize(columnSize, 50);
+ _sizeHint->needsUpdate = false;
+ }
+ return _sizeHint->size;
}