frame_data *PacketListModel::getRowFdata(int row) {
if (row < 0 || row >= visible_rows_.count())
return NULL;
PacketListRecord *record = visible_rows_[row];
if (!record)
return NULL;
return record->frameData();
}
guint PacketListModel::recreateVisibleRows()
{
int pos = visible_rows_.count() + 1;
PacketListRecord *record;
beginResetModel();
visible_rows_.clear();
number_to_row_.clear();
endResetModel();
beginInsertRows(QModelIndex(), pos, pos);
foreach (record, physical_rows_) {
if (record->frameData()->flags.passed_dfilter || record->frameData()->flags.ref_time) {
visible_rows_ << record;
number_to_row_[record->frameData()->num] = visible_rows_.count() - 1;
}
}
endInsertRows();
return visible_rows_.count();
}
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();
}
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->frameData();
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:
{
int column = index.column();
// g_log(NULL, G_LOG_LEVEL_DEBUG, "showing col %d", col_num);
return record->columnString(cap_file_, column);
}
default:
return QVariant();
}
return QVariant();
}
void RelatedPacketDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
QStyleOptionViewItemV4 option_vi = option;
#else
QStyleOptionViewItem option_vi = option;
#endif
QStyledItemDelegate::initStyleOption(&option_vi, index);
int em_w = option_vi.fontMetrics.height();
int en_w = (em_w + 1) / 2;
int line_w = (option_vi.fontMetrics.lineWidth());
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
option_vi.features |= QStyleOptionViewItemV4::HasDecoration;
#else
option_vi.features |= QStyleOptionViewItem::HasDecoration;
#endif
option_vi.decorationSize.setHeight(1);
option_vi.decorationSize.setWidth(em_w);
QStyledItemDelegate::paint(painter, option_vi, index);
guint32 setup_frame = 0, last_frame = 0;
if (conv_) {
setup_frame = (int) conv_->setup_frame;
last_frame = (int) conv_->last_frame;
}
const frame_data *fd;
PacketListRecord *record = static_cast<PacketListRecord*>(index.internalPointer());
if (!record || (fd = record->frameData()) == NULL) {
return;
}
painter->save();
if (QApplication::style()->objectName().contains("vista")) {
// QWindowsVistaStyle::drawControl does this internally. Unfortunately there
// doesn't appear to be a more general way to do this.
option_vi.palette.setColor(QPalette::All, QPalette::HighlightedText, option_vi.palette.color(QPalette::Active, QPalette::Text));
}
QPalette::ColorGroup cg = option_vi.state & QStyle::State_Enabled
? QPalette::Normal : QPalette::Disabled;
QColor fg;
if (cg == QPalette::Normal && !(option_vi.state & QStyle::State_Active))
cg = QPalette::Inactive;
if (option_vi.state & QStyle::State_Selected) {
fg = option_vi.palette.color(cg, QPalette::HighlightedText);
} else {
fg = option_vi.palette.color(cg, QPalette::Text);
}
fg = ColorUtils::alphaBlend(fg, option_vi.palette.color(cg, QPalette::Base), 0.5);
QPen line_pen(fg);
line_pen.setWidth(line_w);
line_pen.setJoinStyle(Qt::RoundJoin);
painter->setPen(line_pen);
painter->translate(option_vi.rect.x(), option_vi.rect.y());
painter->translate(en_w + 0.5, 0.5);
painter->setRenderHint(QPainter::Antialiasing, true);
int height = option_vi.rect.height();
// Uncomment to make the boundary visible.
// painter->save();
// painter->setPen(Qt::darkRed);
// painter->drawRect(QRectF(0.5, 0.5, en_w - 1, height - 1));
// painter->restore();
// The current decorations are based on what looked good and were easy
// to code.
// It might be useful to have a JACKPOT_MODE define that shows each
// decoration in sequence in order to make it easier to create
// screenshots for the User's Guide.
// Vertical line. Lower and upper half for the start and end of the
// conversation respectively, solid for conversation member, dashed
// for other packets in the start-end range.
if (setup_frame > 0 && last_frame > 0 && setup_frame != last_frame) {
if (fd->num == setup_frame) {
QPoint start_line[] = {
QPoint(en_w - 1, height / 2),
QPoint(0, height / 2),
QPoint(0, height)
};
painter->drawPolyline(start_line, 3);
} else if (fd->num > setup_frame && fd->num < last_frame) {
painter->save();
if (conv_ != record->conversation()) {
QPen other_pen(line_pen);
other_pen.setStyle(Qt::DashLine);
painter->setPen(other_pen);
}
painter->drawLine(0, 0, 0, height);
painter->restore();
} else if (fd->num == last_frame) {
QPoint end_line[] = {
QPoint(en_w - 1, height / 2),
QPoint(0, height / 2),
QPoint(0, 0)
};
painter->drawPolyline(end_line, 3);
}
}
// Related packet indicator. Rightward arrow for requests, leftward
// arrow for responses, circle for others.
// XXX These are comically oversized when we have multi-line rows.
if (related_frames_.contains(fd->num)) {
painter->setBrush(fg);
switch (related_frames_[fd->num]) {
// Request and response arrows are moved forward one pixel in order to
// maximize white space between the heads and the conversation line.
case FT_FRAMENUM_REQUEST:
{
int hh = height / 2;
QPoint tail(2 - en_w, hh);
QPoint head(en_w, hh);
drawArrow(painter, tail, head, hh / 2);
break;
}
case FT_FRAMENUM_RESPONSE:
{
int hh = height / 2;
QPoint tail(en_w - 1, hh);
QPoint head(1 - en_w, hh);
drawArrow(painter, tail, head, hh / 2);
break;
}
case FT_FRAMENUM_ACK:
{
QRect bbox (2 - en_w, height / 3, em_w - 2, height / 2);
drawCheckMark(painter, bbox);
break;
}
case FT_FRAMENUM_DUP_ACK:
{
QRect bbox (2 - en_w, (height / 3) - (line_w * 2), em_w - 2, height / 2);
drawCheckMark(painter, bbox);
bbox.moveTop(bbox.top() + (line_w * 3));
drawCheckMark(painter, bbox);
break;
}
case FT_FRAMENUM_NONE:
default:
painter->drawEllipse(QPointF(0.0, option_vi.rect.height() / 2), 2, 2);
}
}
painter->restore();
}
void RelatedPacketDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
int en_w = option.fontMetrics.height() / 2;
QStyleOptionViewItemV4 optv4 = option;
QStyledItemDelegate::initStyleOption(&optv4, index);
optv4.features |= QStyleOptionViewItemV4::HasDecoration;
optv4.decorationSize.setHeight(1);
optv4.decorationSize.setWidth(en_w);
QStyledItemDelegate::paint(painter, optv4, index);
const frame_data *fd;
PacketListRecord *record = static_cast<PacketListRecord*>(index.internalPointer());
if (!record || (fd = record->frameData()) == NULL) {
return;
}
painter->save();
if (QApplication::style()->objectName().contains("vista")) {
// QWindowsVistaStyle::drawControl does this internally. Unfortunately there
// doesn't appear to be a more general way to do this.
optv4.palette.setColor(QPalette::All, QPalette::HighlightedText, optv4.palette.color(QPalette::Active, QPalette::Text));
}
QPalette::ColorGroup cg = optv4.state & QStyle::State_Enabled
? QPalette::Normal : QPalette::Disabled;
QColor fg;
if (cg == QPalette::Normal && !(optv4.state & QStyle::State_Active))
cg = QPalette::Inactive;
if (optv4.state & QStyle::State_Selected) {
fg = optv4.palette.color(cg, QPalette::HighlightedText);
} else {
fg = optv4.palette.color(cg, QPalette::Text);
}
qreal alpha = 0.20; // Arbitrary. Should arguably be a preference.
// We draw in the same place more than once so we first draw on a
// QImage at 100% opacity then draw that on our packet list item.
QImage overlay = QImage(en_w * 2, optv4.rect.height(), QImage::Format_ARGB32_Premultiplied);
QPainter op(&overlay);
overlay.fill(Qt::transparent);
op.setPen(fg);
op.translate(en_w + 0.5, 0.5);
op.setRenderHint(QPainter::Antialiasing, true);
// The current decorations are based on what looked good and were easy
// to code. W might want to improve them by drawing small dots or tick
// marks for frames in the same conversation XOR draw a gap for unrelated
// frames.
if (first_frame_ > 0 && last_frame_ > 0 && first_frame_ != last_frame_) {
int height = optv4.rect.height();
if ((int) fd->num == first_frame_) {
op.drawLine(0, height / 2, 0, height);
op.drawLine(1, height / 2, en_w, height / 2);
} else if ((int) fd->num > first_frame_ && (int) fd->num < last_frame_) {
op.drawLine(0, 0, 0, height);
} else if ((int) fd->num == last_frame_) {
op.drawLine(0, 0, 0, height / 2);
op.drawLine(1, height / 2, en_w, height / 2);
}
}
if (related_frames_.contains(fd->num)) {
op.setBrush(fg);
op.drawEllipse(QPointF(0.0, optv4.rect.height() / 2), 2, 2);
}
painter->setOpacity(alpha);
painter->drawImage(optv4.rect.x(), optv4.rect.y(), overlay);
painter->restore();
}