QVariant PacketListModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
PacketListRecord *record = static_cast<PacketListRecord*>(index.internalPointer());
if (!record)
return QVariant();
const frame_data *fdata = record->frameData();
if (!fdata)
return QVariant();
switch (role) {
case Qt::FontRole:
return mono_font_;
case Qt::TextAlignmentRole:
switch(recent_get_column_xalign(index.column())) {
case COLUMN_XALIGN_RIGHT:
return Qt::AlignRight;
break;
case COLUMN_XALIGN_CENTER:
return Qt::AlignCenter;
break;
case COLUMN_XALIGN_LEFT:
return Qt::AlignLeft;
break;
case COLUMN_XALIGN_DEFAULT:
default:
if (right_justify_column(index.column(), cap_file_)) {
return Qt::AlignRight;
}
break;
}
return Qt::AlignLeft;
case Qt::BackgroundRole:
const color_t *color;
if (fdata->flags.ignored) {
color = &prefs.gui_ignored_bg;
} else if (fdata->flags.marked) {
color = &prefs.gui_marked_bg;
} else if (fdata->color_filter && recent.packet_list_colorize) {
const color_filter_t *color_filter = (const color_filter_t *) fdata->color_filter;
color = &color_filter->bg_color;
} else {
return QVariant();
}
return QColor(color->red >> 8, color->green >> 8, color->blue >> 8);
case Qt::ForegroundRole:
if (fdata->flags.ignored) {
color = &prefs.gui_ignored_fg;
} else if (fdata->flags.marked) {
color = &prefs.gui_marked_fg;
} else if (fdata->color_filter && recent.packet_list_colorize) {
const color_filter_t *color_filter = (const color_filter_t *) fdata->color_filter;
color = &color_filter->fg_color;
} else {
return QVariant();
}
return QColor(color->red >> 8, color->green >> 8, color->blue >> 8);
case Qt::DisplayRole:
{
int column = index.column();
QVariant column_string = record->columnString(cap_file_, column);
// We don't know an item's sizeHint until we fetch its text here.
// Assume each line count is 1. If the line count changes, emit
// itemHeightChanged which triggers another redraw (including a
// fetch of SizeHintRole and DisplayRole) in the next event loop.
if (column == 0 && record->lineCountChanged())
emit itemHeightChanged(index);
return column_string;
}
case Qt::SizeHintRole:
{
if (size_hint_enabled_) {
// We assume that inter-line spacing is 0.
QSize size = QSize(-1, row_height_ + ((record->lineCount() - 1) * line_spacing_));
return size;
} else {
// Used by PacketList::sizeHintForColumn
return QVariant();
}
}
default:
return QVariant();
}
return QVariant();
}
