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();
frame_data *fdata = record->getFdata();
if (!fdata)
return QVariant();
switch (role) {
case Qt::FontRole:
return wsApp->monospaceFont();
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) {
const color_filter_t *color_filter = (const color_filter_t *) fdata->color_filter;
color = &color_filter->bg_color;
} else {
return QVariant();
}
// g_log(NULL, G_LOG_LEVEL_DEBUG, "i: %d m: %d cf: %p bg: %d %d %d", fdata->flags.ignored, fdata->flags.marked, fdata->color_filter, color->red, color->green, color->blue);
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) {
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:
// Need packet data -- fall through
break;
default:
return QVariant();
}
int col_num = index.column();
// g_log(NULL, G_LOG_LEVEL_DEBUG, "showing col %d", col_num);
if (!cap_file_ || col_num > cap_file_->cinfo.num_cols)
return QVariant();
epan_dissect_t edt;
column_info *cinfo;
gboolean create_proto_tree;
struct wtap_pkthdr phdr; /* Packet header */
Buffer buf; /* Packet data */
gboolean dissect_columns = TRUE; // XXX - Currently only a placeholder
if (dissect_columns && cap_file_)
cinfo = &cap_file_->cinfo;
else
cinfo = NULL;
buffer_init(&buf, 1500);
if (!cap_file_ || !cf_read_frame_r(cap_file_, fdata, &phdr, &buf)) {
/*
* Error reading the frame.
*
* Don't set the color filter for now (we might want
* to colorize it in some fashion to warn that the
* row couldn't be filled in or colorized), and
* set the columns to placeholder values, except
* for the Info column, where we'll put in an
* error message.
*/
if (dissect_columns) {
col_fill_in_error(cinfo, fdata, FALSE, FALSE /* fill_fd_columns */);
// for(gint col = 0; col < cinfo->num_cols; ++col) {
// /* Skip columns based on frame_data because we already store those. */
// if (!col_based_on_frame_data(cinfo, col))
// packet_list_change_record(packet_list, record->physical_pos, col, cinfo);
// }
// record->columnized = TRUE;
}
if (enable_color_) {
fdata->color_filter = NULL;
// record->colorized = TRUE;
}
buffer_free(&buf);
return QVariant(); /* error reading the frame */
}
create_proto_tree = (color_filters_used() && enable_color_) ||
(have_custom_cols(cinfo) && dissect_columns);
epan_dissect_init(&edt, cap_file_->epan,
create_proto_tree,
FALSE /* proto_tree_visible */);
if (enable_color_)
color_filters_prime_edt(&edt);
if (dissect_columns)
col_custom_prime_edt(&edt, cinfo);
epan_dissect_run(&edt, &phdr, frame_tvbuff_new_buffer(fdata, &buf), fdata, cinfo);
if (enable_color_)
fdata->color_filter = color_filters_colorize_packet(&edt);
if (dissect_columns) {
/* "Stringify" non frame_data vals */
epan_dissect_fill_in_columns(&edt, FALSE, FALSE /* fill_fd_columns */);
// for(col = 0; col < cinfo->num_cols; ++col) {
// /* Skip columns based on frame_data because we already store those. */
// if (!col_based_on_frame_data(cinfo, col))
// packet_list_change_record(packet_list, record->physical_pos, col, cinfo);
// }
// g_log(NULL, G_LOG_LEVEL_DEBUG, "d_c %d: %s", col_num, cinfo->col_data[col_num]);
}
// if (dissect_columns)
// record->columnized = TRUE;
// if (enable_color_)
// record->colorized = TRUE;
epan_dissect_cleanup(&edt);
buffer_free(&buf);
switch (role) {
case Qt::DisplayRole:
return record->data(col_num, cinfo);
break;
default:
break;
}
return QVariant();
}
