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wireshark/ui/qt/packet_list.cpp

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/* packet_list.cpp
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <ui/qt/packet_list.h>
#include "config.h"
#include <glib.h>
#include "file.h"
#include <epan/epan.h>
#include <epan/epan_dissect.h>
#include <epan/column-info.h>
#include <epan/column.h>
#include <epan/ipproto.h>
#include <epan/packet.h>
#include <epan/prefs.h>
#include <epan/proto.h>
#include "ui/main_statusbar.h"
#include "ui/packet_list_utils.h"
#include "ui/preference_utils.h"
#include "ui/recent.h"
#include "ui/recent_utils.h"
#include "ui/ws_ui_util.h"
#include <wsutil/utf8_entities.h>
#include "ui/util.h"
#include "wsutil/str_util.h"
#include <epan/color_filters.h>
#include "frame_tvbuff.h"
#include <ui/qt/utils/color_utils.h>
#include <ui/qt/widgets/overlay_scroll_bar.h>
#include "proto_tree.h"
#include <ui/qt/utils/qt_ui_utils.h>
#include "wireshark_application.h"
#include <ui/qt/utils/data_printer.h>
#include <ui/qt/utils/frame_information.h>
#include <ui/qt/utils/variant_pointer.h>
#include <ui/qt/models/pref_models.h>
#include <QAction>
#include <QActionGroup>
#include <QClipboard>
#include <QContextMenuEvent>
#include <QtCore/qmath.h>
#include <QElapsedTimer>
#include <QFontMetrics>
#include <QHeaderView>
#include <QMessageBox>
#include <QPainter>
#include <QScreen>
#include <QScrollBar>
#include <QTabWidget>
#include <QTextEdit>
#include <QTimerEvent>
#include <QTreeWidget>
#ifdef Q_OS_WIN
#include "wsutil/file_util.h"
#include <QSysInfo>
#include <Uxtheme.h>
#endif
// To do:
// - Fix "apply as filter" behavior.
// - Add colorize conversation.
// - Use a timer to trigger automatic scrolling.
// If we ever add the ability to open multiple capture files we might be
// able to use something like QMap<capture_file *, PacketList *> to match
// capture files against packet lists and models.
static PacketList *gbl_cur_packet_list = NULL;
const int max_comments_to_fetch_ = 20000000; // Arbitrary
const int tail_update_interval_ = 100; // Milliseconds.
const int overlay_update_interval_ = 100; // 250; // Milliseconds.
guint
packet_list_append(column_info *, frame_data *fdata)
{
if (!gbl_cur_packet_list)
return 0;
/* fdata should be filled with the stuff we need
* strings are built at display time.
*/
guint visible_pos;
visible_pos = gbl_cur_packet_list->packetListModel()->appendPacket(fdata);
return visible_pos;
}
// Copied from ui/gtk/packet_list.c
void packet_list_resize_column(gint col)
{
if (!gbl_cur_packet_list) return;
gbl_cur_packet_list->resizeColumnToContents(col);
}
void
packet_list_select_first_row(void)
{
if (!gbl_cur_packet_list)
return;
gbl_cur_packet_list->goFirstPacket(false);
}
/*
* Given a frame_data structure, scroll to and select the row in the
* packet list corresponding to that frame. If there is no such
* row, return FALSE, otherwise return TRUE.
*/
gboolean
packet_list_select_row_from_data(frame_data *fdata_needle)
{
gbl_cur_packet_list->packetListModel()->flushVisibleRows();
int row = gbl_cur_packet_list->packetListModel()->visibleIndexOf(fdata_needle);
if (row >= 0) {
gbl_cur_packet_list->setCurrentIndex(gbl_cur_packet_list->packetListModel()->index(row,0));
return TRUE;
}
return FALSE;
}
void
packet_list_clear(void)
{
if (gbl_cur_packet_list) {
gbl_cur_packet_list->clear();
}
}
void
packet_list_recolor_packets(void)
{
if (gbl_cur_packet_list) {
gbl_cur_packet_list->recolorPackets();
}
}
void
packet_list_freeze(void)
{
if (gbl_cur_packet_list) {
gbl_cur_packet_list->freeze();
}
}
void
packet_list_thaw(void)
{
if (gbl_cur_packet_list) {
gbl_cur_packet_list->thaw();
}
packets_bar_update();
}
void
packet_list_recreate_visible_rows(void)
{
if (gbl_cur_packet_list && gbl_cur_packet_list->packetListModel()) {
gbl_cur_packet_list->packetListModel()->recreateVisibleRows();
}
}
frame_data *
packet_list_get_row_data(gint row)
{
if (gbl_cur_packet_list && gbl_cur_packet_list->packetListModel()) {
return gbl_cur_packet_list->packetListModel()->getRowFdata(row);
}
return NULL;
}
// Called from cf_continue_tail and cf_finish_tail when auto_scroll_live
// is enabled.
void
packet_list_moveto_end(void)
{
// gbl_cur_packet_list->scrollToBottom();
}
/* Redraw the packet list *and* currently-selected detail */
void
packet_list_queue_draw(void)
{
if (gbl_cur_packet_list)
gbl_cur_packet_list->redrawVisiblePackets();
}
void
packet_list_recent_write_all(FILE *rf) {
if (!gbl_cur_packet_list)
return;
gbl_cur_packet_list->writeRecent(rf);
}
#define MIN_COL_WIDTH_STR "MMMMMM"
Q_DECLARE_METATYPE(PacketList::ColumnActions)
enum copy_summary_type {
copy_summary_text_,
copy_summary_csv_,
copy_summary_yaml_
};
PacketList::PacketList(QWidget *parent) :
QTreeView(parent),
proto_tree_(NULL),
cap_file_(NULL),
decode_as_(NULL),
ctx_column_(-1),
overlay_timer_id_(0),
create_near_overlay_(true),
create_far_overlay_(true),
capture_in_progress_(false),
tail_timer_id_(0),
rows_inserted_(false),
columns_changed_(false),
set_column_visibility_(false),
frozen_row_(-1),
cur_history_(-1),
in_history_(false)
{
setItemsExpandable(false);
setRootIsDecorated(false);
setSortingEnabled(true);
setUniformRowHeights(true);
setAccessibleName("Packet list");
// Shrink down to a small but nonzero size in the main splitter.
int one_em = fontMetrics().height();
setMinimumSize(one_em, one_em);
overlay_sb_ = new OverlayScrollBar(Qt::Vertical, this);
setVerticalScrollBar(overlay_sb_);
packet_list_model_ = new PacketListModel(this, cap_file_);
setModel(packet_list_model_);
sortByColumn(-1, Qt::AscendingOrder);
initHeaderContextMenu();
g_assert(gbl_cur_packet_list == NULL);
gbl_cur_packet_list = this;
bool style_inactive_selected = true;
#ifdef Q_OS_WIN // && Qt version >= 4.8.6
if (QSysInfo::windowsVersion() < QSysInfo::WV_WINDOWS8) {
if (IsAppThemed() && IsThemeActive()) {
style_inactive_selected = false;
}
}
#endif
if (style_inactive_selected) {
// XXX Style the protocol tree as well?
QPalette inactive_pal = palette();
inactive_pal.setCurrentColorGroup(QPalette::Inactive);
QColor border = QColor::fromRgb(ColorUtils::alphaBlend(
inactive_pal.highlightedText(),
inactive_pal.highlight(),
0.25));
QColor shadow = QColor::fromRgb(ColorUtils::alphaBlend(
inactive_pal.highlightedText(),
inactive_pal.highlight(),
0.07));
setStyleSheet(QString(
"QTreeView::item:selected:first:!active {"
" border-left: 1px solid %1;"
"}"
"QTreeView::item:selected:last:!active {"
" border-right: 1px solid %1;"
"}"
"QTreeView::item:selected:!active {"
" border-top: 1px solid %1;"
" border-bottom: 1px solid %1;"
" color: %2;"
// Try to approximate a subtle box shadow.
" background-color: qlineargradient(x1:0, y1:0, x2:0, y2:1"
" stop: 0 %4, stop: 0.2 %3, stop: 0.8 %3, stop: 1 %4);"
"}")
.arg(border.name())
.arg(inactive_pal.highlightedText().color().name())
.arg(inactive_pal.highlight().color().name())
.arg(shadow.name())
);
}
connect(packet_list_model_, SIGNAL(goToPacket(int)), this, SLOT(goToPacket(int)));
connect(packet_list_model_, SIGNAL(itemHeightChanged(const QModelIndex&)), this, SLOT(updateRowHeights(const QModelIndex&)));
connect(wsApp, SIGNAL(addressResolutionChanged()), this, SLOT(redrawVisiblePacketsDontSelectCurrent()));
connect(wsApp, SIGNAL(columnDataChanged()), this, SLOT(redrawVisiblePacketsDontSelectCurrent()));
header()->setContextMenuPolicy(Qt::CustomContextMenu);
connect(header(), SIGNAL(customContextMenuRequested(QPoint)),
this, SLOT(showHeaderMenu(QPoint)));
connect(header(), SIGNAL(sectionResized(int,int,int)),
this, SLOT(sectionResized(int,int,int)));
connect(header(), SIGNAL(sectionMoved(int,int,int)),
this, SLOT(sectionMoved(int,int,int)));
connect(verticalScrollBar(), SIGNAL(actionTriggered(int)), this, SLOT(vScrollBarActionTriggered(int)));
connect(&proto_prefs_menu_, SIGNAL(showProtocolPreferences(QString)),
this, SIGNAL(showProtocolPreferences(QString)));
connect(&proto_prefs_menu_, SIGNAL(editProtocolPreference(preference*,pref_module*)),
this, SIGNAL(editProtocolPreference(preference*,pref_module*)));
}
void PacketList::drawRow (QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QTreeView::drawRow(painter, option, index);
if (prefs.gui_qt_packet_list_separator) {
QRect rect = visualRect(index);
painter->setPen(QColor(Qt::white));
painter->drawLine(0, rect.y() + rect.height() - 1, width(), rect.y() + rect.height() - 1);
}
}
void PacketList::setProtoTree (ProtoTree *proto_tree) {
proto_tree_ = proto_tree;
connect(proto_tree_, SIGNAL(goToPacket(int)), this, SLOT(goToPacket(int)));
connect(proto_tree_, SIGNAL(relatedFrame(int,ft_framenum_type_t)),
&related_packet_delegate_, SLOT(addRelatedFrame(int,ft_framenum_type_t)));
}
PacketListModel *PacketList::packetListModel() const {
return packet_list_model_;
}
void PacketList::selectionChanged (const QItemSelection & selected, const QItemSelection & deselected) {
QTreeView::selectionChanged(selected, deselected);
if (!cap_file_) return;
int row = -1;
if (selected.isEmpty()) {
cf_unselect_packet(cap_file_);
} else {
row = selected.first().top();
cf_select_packet(cap_file_, row);
}
if (!in_history_ && cap_file_->current_frame) {
cur_history_++;
selection_history_.resize(cur_history_);
selection_history_.append(cap_file_->current_frame->num);
}
in_history_ = false;
related_packet_delegate_.clear();
if (proto_tree_) proto_tree_->clear();
emit frameSelected(row);
if (!cap_file_->edt) {
viewport()->update();
return;
}
if (proto_tree_ && cap_file_->edt->tree) {
packet_info *pi = &cap_file_->edt->pi;
related_packet_delegate_.setCurrentFrame(pi->num);
proto_tree_->setRootNode(cap_file_->edt->tree);
conversation_t *conv = find_conversation_pinfo(pi, 0);
if (conv) {
related_packet_delegate_.setConversation(conv);
}
viewport()->update();
}
if (cap_file_->search_in_progress &&
(cap_file_->search_pos != 0 || (cap_file_->string && cap_file_->decode_data)))
{
match_data mdata;
field_info *fi = NULL;
if (cap_file_->string && cap_file_->decode_data) {
// The tree where the target string matched one of the labels was discarded in
// match_protocol_tree() so we have to search again in the latest tree.
if (cf_find_string_protocol_tree(cap_file_, cap_file_->edt->tree, &mdata)) {
fi = mdata.finfo;
}
} else {
// Find the finfo that corresponds to our byte.
fi = proto_find_field_from_offset(cap_file_->edt->tree, cap_file_->search_pos,
cap_file_->edt->tvb);
}
if (fi) {
emit fieldSelected(new FieldInformation(fi, this));
}
} else if (!cap_file_->search_in_progress && proto_tree_) {
proto_tree_->restoreSelectedField();
}
}
void PacketList::contextMenuEvent(QContextMenuEvent *event)
{
const char *module_name = NULL;
if (cap_file_ && cap_file_->edt && cap_file_->edt->tree) {
GPtrArray *finfo_array = proto_all_finfos(cap_file_->edt->tree);
for (guint i = finfo_array->len - 1; i > 0 ; i --) {
field_info *fi = (field_info *)g_ptr_array_index (finfo_array, i);
header_field_info *hfinfo = fi->hfinfo;
if (!g_str_has_prefix(hfinfo->abbrev, "text") &&
!g_str_has_prefix(hfinfo->abbrev, "_ws.expert") &&
!g_str_has_prefix(hfinfo->abbrev, "_ws.malformed")) {
if (hfinfo->parent == -1) {
module_name = hfinfo->abbrev;
} else {
module_name = proto_registrar_get_abbrev(hfinfo->parent);
}
break;
}
}
}
proto_prefs_menu_.setModule(module_name);
QModelIndex ctxIndex = indexAt(event->pos());
FrameInformation * frameData =
new FrameInformation(new CaptureFile(this, cap_file_), packet_list_model_->getRowFdata(ctxIndex.row()));
ctx_menu_.clear();
// XXX We might want to reimplement setParent() and fill in the context
// menu there.
ctx_menu_.addAction(window()->findChild<QAction *>("actionEditMarkPacket"));
ctx_menu_.addAction(window()->findChild<QAction *>("actionEditIgnorePacket"));
ctx_menu_.addAction(window()->findChild<QAction *>("actionEditSetTimeReference"));
ctx_menu_.addAction(window()->findChild<QAction *>("actionEditTimeShift"));
ctx_menu_.addAction(window()->findChild<QAction *>("actionEditPacketComment"));
ctx_menu_.addSeparator();
ctx_menu_.addAction(window()->findChild<QAction *>("actionViewEditResolvedName"));
ctx_menu_.addSeparator();
QMenu *main_menu_item = window()->findChild<QMenu *>("menuApplyAsFilter");
QMenu *submenu = new QMenu(main_menu_item->title(), &ctx_menu_);
ctx_menu_.addMenu(submenu);
submenu->addAction(window()->findChild<QAction *>("actionAnalyzeAAFSelected"));
submenu->addAction(window()->findChild<QAction *>("actionAnalyzeAAFNotSelected"));
submenu->addAction(window()->findChild<QAction *>("actionAnalyzeAAFAndSelected"));
submenu->addAction(window()->findChild<QAction *>("actionAnalyzeAAFOrSelected"));
submenu->addAction(window()->findChild<QAction *>("actionAnalyzeAAFAndNotSelected"));
submenu->addAction(window()->findChild<QAction *>("actionAnalyzeAAFOrNotSelected"));
main_menu_item = window()->findChild<QMenu *>("menuPrepareAFilter");
submenu = new QMenu(main_menu_item->title(), &ctx_menu_);
ctx_menu_.addMenu(submenu);
submenu->addAction(window()->findChild<QAction *>("actionAnalyzePAFSelected"));
submenu->addAction(window()->findChild<QAction *>("actionAnalyzePAFNotSelected"));
submenu->addAction(window()->findChild<QAction *>("actionAnalyzePAFAndSelected"));
submenu->addAction(window()->findChild<QAction *>("actionAnalyzePAFOrSelected"));
submenu->addAction(window()->findChild<QAction *>("actionAnalyzePAFAndNotSelected"));
submenu->addAction(window()->findChild<QAction *>("actionAnalyzePAFOrNotSelected"));
const char *conv_menu_name = "menuConversationFilter";
main_menu_item = window()->findChild<QMenu *>(conv_menu_name);
conv_menu_.setTitle(main_menu_item->title());
conv_menu_.setObjectName(conv_menu_name);
ctx_menu_.addMenu(&conv_menu_);
const char *colorize_menu_name = "menuColorizeConversation";
main_menu_item = window()->findChild<QMenu *>(colorize_menu_name);
colorize_menu_.setTitle(main_menu_item->title());
colorize_menu_.setObjectName(colorize_menu_name);
ctx_menu_.addMenu(&colorize_menu_);
main_menu_item = window()->findChild<QMenu *>("menuSCTP");
submenu = new QMenu(main_menu_item->title(), &ctx_menu_);
ctx_menu_.addMenu(submenu);
submenu->addAction(window()->findChild<QAction *>("actionSCTPAnalyseThisAssociation"));
submenu->addAction(window()->findChild<QAction *>("actionSCTPShowAllAssociations"));
submenu->addAction(window()->findChild<QAction *>("actionSCTPFilterThisAssociation"));
main_menu_item = window()->findChild<QMenu *>("menuFollow");
submenu = new QMenu(main_menu_item->title(), &ctx_menu_);
ctx_menu_.addMenu(submenu);
submenu->addAction(window()->findChild<QAction *>("actionAnalyzeFollowTCPStream"));
submenu->addAction(window()->findChild<QAction *>("actionAnalyzeFollowUDPStream"));
submenu->addAction(window()->findChild<QAction *>("actionAnalyzeFollowSSLStream"));
submenu->addAction(window()->findChild<QAction *>("actionAnalyzeFollowHTTPStream"));
ctx_menu_.addSeparator();
main_menu_item = window()->findChild<QMenu *>("menuEditCopy");
submenu = new QMenu(main_menu_item->title(), &ctx_menu_);
ctx_menu_.addMenu(submenu);
QAction * action = submenu->addAction(tr("Summary as Text"));
action->setData(copy_summary_text_);
connect(action, SIGNAL(triggered()), this, SLOT(copySummary()));
action = submenu->addAction(tr(UTF8_HORIZONTAL_ELLIPSIS "as CSV"));
action->setData(copy_summary_csv_);
connect(action, SIGNAL(triggered()), this, SLOT(copySummary()));
action = submenu->addAction(tr(UTF8_HORIZONTAL_ELLIPSIS "as YAML"));
action->setData(copy_summary_yaml_);
connect(action, SIGNAL(triggered()), this, SLOT(copySummary()));
submenu->addSeparator();
submenu->addAction(window()->findChild<QAction *>("actionEditCopyAsFilter"));
submenu->addSeparator();
QActionGroup * copyEntries = DataPrinter::copyActions(this, frameData);
submenu->addActions(copyEntries->actions());
ctx_menu_.addSeparator();
ctx_menu_.addMenu(&proto_prefs_menu_);
decode_as_ = window()->findChild<QAction *>("actionAnalyzeDecodeAs");
ctx_menu_.addAction(decode_as_);
// "Print" not ported intentionally
action = window()->findChild<QAction *>("actionViewShowPacketInNewWindow");
ctx_menu_.addAction(action);
decode_as_->setData(QVariant::fromValue(true));
ctx_column_ = columnAt(event->x());
// Set menu sensitivity for the current column and set action data.
if ( frameData )
emit frameSelected(frameData->frameNum());
else
emit frameSelected(-1);
ctx_menu_.exec(event->globalPos());
ctx_column_ = -1;
decode_as_->setData(QVariant());
}
// Auto scroll if:
// - We're not at the end
// - We are capturing
// - actionGoAutoScroll in the main UI is checked.
// - It's been more than tail_update_interval_ ms since we last scrolled
// - The last user-set vertical scrollbar position was at the end.
// Using a timer assumes that we can save CPU overhead by updating
// periodically. If that's not the case we can dispense with it and call
// scrollToBottom() from rowsInserted().
void PacketList::timerEvent(QTimerEvent *event)
{
if (event->timerId() == tail_timer_id_) {
if (rows_inserted_ && capture_in_progress_ && tail_at_end_) {
scrollToBottom();
rows_inserted_ = false;
}
} else if (event->timerId() == overlay_timer_id_) {
if (!capture_in_progress_) {
if (create_near_overlay_) drawNearOverlay();
if (create_far_overlay_) drawFarOverlay();
}
} else {
QTreeView::timerEvent(event);
}
}
void PacketList::paintEvent(QPaintEvent *event)
{
// XXX This is overkill, but there are quite a few events that
// require a new overlay, e.g. page up/down, scrolling, column
// resizing, etc.
create_near_overlay_ = true;
QTreeView::paintEvent(event);
}
void PacketList::mousePressEvent (QMouseEvent *event)
{
setAutoScroll(false);
QTreeView::mousePressEvent(event);
setAutoScroll(true);
}
void PacketList::resizeEvent(QResizeEvent *event)
{
create_near_overlay_ = true;
create_far_overlay_ = true;
QTreeView::resizeEvent(event);
}
void PacketList::setColumnVisibility()
{
set_column_visibility_ = true;
for (int i = 0; i < prefs.num_cols; i++) {
setColumnHidden(i, get_column_visible(i) ? false : true);
}
set_column_visibility_ = false;
}
int PacketList::sizeHintForColumn(int column) const
{
int size_hint = 0;
// This is a bit hacky but Qt does a fine job of column sizing and
// reimplementing QTreeView::sizeHintForColumn seems like a worse idea.
if (itemDelegateForColumn(column)) {
// In my (gcc) testing this results in correct behavior on Windows but adds extra space
// on macOS and Linux. We might want to add Q_OS_... #ifdefs accordingly.
size_hint = itemDelegateForColumn(column)->sizeHint(viewOptions(), QModelIndex()).width();
}
size_hint += QTreeView::sizeHintForColumn(column); // Decoration padding
return size_hint;
}
void PacketList::setRecentColumnWidth(int col)
{
int col_width = recent_get_column_width(col);
if (col_width < 1) {
int fmt = get_column_format(col);
const char *long_str = get_column_width_string(fmt, col);
QFontMetrics fm = QFontMetrics(wsApp->monospaceFont());
if (long_str) {
col_width = fm.width(long_str);
} else {
col_width = fm.width(MIN_COL_WIDTH_STR);
}
// Custom delegate padding
if (itemDelegateForColumn(col)) {
col_width += itemDelegateForColumn(col)->sizeHint(viewOptions(), QModelIndex()).width();
}
}
setColumnWidth(col, col_width);
}
void PacketList::initHeaderContextMenu()
{
header_ctx_menu_.clear();
header_actions_.clear();
// Leave these out for now since Qt doesn't have a "no sort" option
// and the user can sort by left-clicking on the header.
// header_actions_[] = header_ctx_menu_.addAction(tr("Sort Ascending"));
// header_actions_[] = header_ctx_menu_.addAction(tr("Sort Descending"));
// header_actions_[] = header_ctx_menu_.addAction(tr("Do Not Sort"));
// header_ctx_menu_.addSeparator();
header_actions_[caAlignLeft] = header_ctx_menu_.addAction(tr("Align Left"));
header_actions_[caAlignCenter] = header_ctx_menu_.addAction(tr("Align Center"));
header_actions_[caAlignRight] = header_ctx_menu_.addAction(tr("Align Right"));
header_ctx_menu_.addSeparator();
header_actions_[caColumnPreferences] = header_ctx_menu_.addAction(tr("Column Preferences" UTF8_HORIZONTAL_ELLIPSIS));
header_actions_[caEditColumn] = header_ctx_menu_.addAction(tr("Edit Column")); // XXX Create frame instead of dialog
header_actions_[caResizeToContents] = header_ctx_menu_.addAction(tr("Resize To Contents"));
header_actions_[caResolveNames] = header_ctx_menu_.addAction(tr("Resolve Names"));
header_ctx_menu_.addSeparator();
// header_actions_[caDisplayedColumns] = header_ctx_menu_.addAction(tr("Displayed Columns"));
show_hide_separator_ = header_ctx_menu_.addSeparator();
// header_actions_[caHideColumn] = header_ctx_menu_.addAction(tr("Hide This Column"));
header_actions_[caRemoveColumn] = header_ctx_menu_.addAction(tr("Remove This Column"));
foreach (ColumnActions ca, header_actions_.keys()) {
header_actions_[ca]->setData(QVariant::fromValue(ca));
connect(header_actions_[ca], SIGNAL(triggered()), this, SLOT(headerMenuTriggered()));
}
checkable_actions_ = QList<ColumnActions>() << caAlignLeft << caAlignCenter << caAlignRight << caResolveNames;
foreach (ColumnActions ca, checkable_actions_) {
header_actions_[ca]->setCheckable(true);
}
}
void PacketList::drawCurrentPacket()
{
QModelIndex current_index = currentIndex();
setCurrentIndex(QModelIndex());
if (current_index.isValid()) {
setCurrentIndex(current_index);
}
}
// Redraw the packet list and detail. Re-selects the current packet (causes
// the UI to scroll to that packet).
// Called from many places.
void PacketList::redrawVisiblePackets() {
redrawVisiblePacketsDontSelectCurrent();
drawCurrentPacket();
}
// Redraw the packet list and detail.
// Does not scroll back to the selected packet.
void PacketList::redrawVisiblePacketsDontSelectCurrent() {
packet_list_model_->invalidateAllColumnStrings();
}
void PacketList::resetColumns()
{
packet_list_model_->resetColumns();
}
// Return true if we have a visible packet further along in the history.
bool PacketList::haveNextHistory(bool update_cur)
{
if (selection_history_.size() < 1 || cur_history_ >= selection_history_.size() - 1) {
return false;
}
for (int i = cur_history_ + 1; i < selection_history_.size(); i++) {
if (packet_list_model_->packetNumberToRow(selection_history_.at(i)) >= 0) {
if (update_cur) {
cur_history_ = i;
}
return true;
}
}
return false;
}
// Return true if we have a visible packet back in the history.
bool PacketList::havePreviousHistory(bool update_cur)
{
if (selection_history_.size() < 1 || cur_history_ < 1) {
return false;
}
for (int i = cur_history_ - 1; i >= 0; i--) {
if (packet_list_model_->packetNumberToRow(selection_history_.at(i)) >= 0) {
if (update_cur) {
cur_history_ = i;
}
return true;
}
}
return false;
}
// prefs.col_list has changed.
void PacketList::columnsChanged()
{
columns_changed_ = true;
if (!cap_file_) {
// Keep columns_changed_ = true until we load a capture file.
return;
}
prefs.num_cols = g_list_length(prefs.col_list);
col_cleanup(&cap_file_->cinfo);
build_column_format_array(&cap_file_->cinfo, prefs.num_cols, FALSE);
create_far_overlay_ = true;
resetColumns();
applyRecentColumnWidths();
setColumnVisibility();
columns_changed_ = false;
}
// Fields have changed, update custom columns
void PacketList::fieldsChanged(capture_file *cf)
{
prefs.num_cols = g_list_length(prefs.col_list);
col_cleanup(&cf->cinfo);
build_column_format_array(&cf->cinfo, prefs.num_cols, FALSE);
// call packet_list_model_->resetColumns() ?
}
// Column widths should
// - Load from recent when we load a new profile (including at starting up).
// - Reapply when changing columns.
// - Persist across freezes and thaws.
// - Persist across file closing and opening.
// - Save to recent when we save our profile (including shutting down).
// - Not be affected by the behavior of stretchLastSection.
void PacketList::applyRecentColumnWidths()
{
// Either we've just started up or a profile has changed. Read
// the recent settings, apply them, and save the header state.
int column_width = 0;
for (int col = 0; col < prefs.num_cols; col++) {
setRecentColumnWidth(col);
column_width += columnWidth(col);
}
if (column_width > width()) {
resize(column_width, height());
}
column_state_ = header()->saveState();
}
void PacketList::preferencesChanged()
{
// Related packet delegate
if (prefs.gui_packet_list_show_related) {
setItemDelegateForColumn(0, &related_packet_delegate_);
} else {
setItemDelegateForColumn(0, 0);
}
// Intelligent scroll bar (minimap)
if (prefs.gui_packet_list_show_minimap) {
if (overlay_timer_id_ == 0) {
overlay_timer_id_ = startTimer(overlay_update_interval_);
}
} else {
if (overlay_timer_id_ != 0) {
killTimer(overlay_timer_id_);
overlay_timer_id_ = 0;
}
}
// Elide mode.
// This sets the mode for the entire view. If we want to make this setting
// per-column we'll either have to generalize RelatedPacketDelegate so that
// we can set it for entire rows or create another delegate.
Qt::TextElideMode elide_mode = Qt::ElideRight;
switch (prefs.gui_packet_list_elide_mode) {
case ELIDE_LEFT:
elide_mode = Qt::ElideLeft;
break;
case ELIDE_MIDDLE:
elide_mode = Qt::ElideMiddle;
break;
case ELIDE_NONE:
elide_mode = Qt::ElideNone;
break;
default:
break;
}
setTextElideMode(elide_mode);
}
void PacketList::recolorPackets()
{
packet_list_model_->resetColorized();
redrawVisiblePackets();
}
/* Enable autoscroll timer. Note: must be called after the capture is started,
* otherwise the timer will not be executed. */
void PacketList::setVerticalAutoScroll(bool enabled)
{
tail_at_end_ = enabled;
if (enabled && capture_in_progress_) {
scrollToBottom();
if (tail_timer_id_ == 0) tail_timer_id_ = startTimer(tail_update_interval_);
} else if (tail_timer_id_ != 0) {
killTimer(tail_timer_id_);
tail_timer_id_ = 0;
}
}
// Called when we finish reading, reloading, rescanning, and retapping
// packets.
void PacketList::captureFileReadFinished()
{
packet_list_model_->flushVisibleRows();
packet_list_model_->dissectIdle(true);
// Invalidating the column strings picks up and request/response
// tracking changes. We might just want to call it from flushVisibleRows.
packet_list_model_->invalidateAllColumnStrings();
}
void PacketList::freeze()
{
setUpdatesEnabled(false);
column_state_ = header()->saveState();
if (currentIndex().isValid()) {
frozen_row_ = currentIndex().row();
} else {
frozen_row_ = -1;
}
selectionModel()->clear();
setModel(NULL);
// It looks like GTK+ sends a cursor-changed signal at this point but Qt doesn't
// call selectionChanged.
related_packet_delegate_.clear();
proto_tree_->clear();
}
void PacketList::thaw(bool restore_selection)
{
setUpdatesEnabled(true);
setModel(packet_list_model_);
// Resetting the model resets our column widths so we restore them here.
// We don't reapply the recent settings because the user could have
// resized the columns manually since they were initially loaded.
header()->restoreState(column_state_);
if (restore_selection && frozen_row_ > -1) {
// This updates our selection, which redissects the current packet,
// which is needed when we're called from MainWindow::layoutPanes.
setCurrentIndex(packet_list_model_->index(frozen_row_, 0));
}
frozen_row_ = -1;
}
void PacketList::clear() {
related_packet_delegate_.clear();
selectionModel()->clear();
packet_list_model_->clear();
proto_tree_->clear();
selection_history_.clear();
cur_history_ = -1;
in_history_ = false;
QImage overlay;
overlay_sb_->setNearOverlayImage(overlay);
overlay_sb_->setMarkedPacketImage(overlay);
create_near_overlay_ = true;
create_far_overlay_ = true;
}
void PacketList::writeRecent(FILE *rf) {
gint col, width, col_fmt;
gchar xalign;
fprintf (rf, "%s:", RECENT_KEY_COL_WIDTH);
for (col = 0; col < prefs.num_cols; col++) {
if (col > 0) {
fprintf (rf, ",");
}
col_fmt = get_column_format(col);
if (col_fmt == COL_CUSTOM) {
fprintf (rf, " \"%%Cus:%s\",", get_column_custom_fields(col));
} else {
fprintf (rf, " %s,", col_format_to_string(col_fmt));
}
width = recent_get_column_width (col);
xalign = recent_get_column_xalign (col);
fprintf (rf, " %d", width);
if (xalign != COLUMN_XALIGN_DEFAULT) {
fprintf (rf, ":%c", xalign);
}
}
fprintf (rf, "\n");
}
bool PacketList::contextMenuActive()
{
return ctx_column_ >= 0 ? true : false;
}
QString PacketList::getFilterFromRowAndColumn()
{
frame_data *fdata;
QString filter;
int row = currentIndex().row();
if (!cap_file_ || !packet_list_model_ || ctx_column_ < 0 || ctx_column_ >= cap_file_->cinfo.num_cols) return filter;
fdata = packet_list_model_->getRowFdata(row);
if (fdata != NULL) {
epan_dissect_t edt;
if (!cf_read_record(cap_file_, fdata))
return filter; /* error reading the record */
/* proto tree, visible. We need a proto tree if there's custom columns */
epan_dissect_init(&edt, cap_file_->epan, have_custom_cols(&cap_file_->cinfo), FALSE);
col_custom_prime_edt(&edt, &cap_file_->cinfo);
epan_dissect_run(&edt, cap_file_->cd_t, &cap_file_->rec,
frame_tvbuff_new_buffer(&cap_file_->provider, fdata, &cap_file_->buf),
fdata, &cap_file_->cinfo);
epan_dissect_fill_in_columns(&edt, TRUE, TRUE);
if ((cap_file_->cinfo.columns[ctx_column_].col_custom_occurrence) ||
(strchr (cap_file_->cinfo.col_expr.col_expr_val[ctx_column_], ',') == NULL))
{
/* Only construct the filter when a single occurrence is displayed
* otherwise we might end up with a filter like "ip.proto==1,6".
*
* Or do we want to be able to filter on multiple occurrences so that
* the filter might be calculated as "ip.proto==1 && ip.proto==6"
* instead?
*/
if (strlen(cap_file_->cinfo.col_expr.col_expr[ctx_column_]) != 0 &&
strlen(cap_file_->cinfo.col_expr.col_expr_val[ctx_column_]) != 0) {
gboolean is_string_value = FALSE;
if (cap_file_->cinfo.columns[ctx_column_].col_fmt == COL_CUSTOM) {
header_field_info *hfi = proto_registrar_get_byname(cap_file_->cinfo.columns[ctx_column_].col_custom_fields);
if (hfi && hfi->parent == -1) {
/* Protocol only */
filter.append(cap_file_->cinfo.col_expr.col_expr[ctx_column_]);
} else if (hfi && hfi->type == FT_STRING) {
/* Custom string, add quotes */
is_string_value = TRUE;
}
} else {
header_field_info *hfi = proto_registrar_get_byname(cap_file_->cinfo.col_expr.col_expr[ctx_column_]);
if (hfi && hfi->type == FT_STRING) {
/* Could be an address type such as usb.src which must be quoted. */
is_string_value = TRUE;
}
}
if (filter.isEmpty()) {
if (is_string_value) {
filter.append(QString("%1 == \"%2\"")
.arg(cap_file_->cinfo.col_expr.col_expr[ctx_column_])
.arg(cap_file_->cinfo.col_expr.col_expr_val[ctx_column_]));
} else {
filter.append(QString("%1 == %2")
.arg(cap_file_->cinfo.col_expr.col_expr[ctx_column_])
.arg(cap_file_->cinfo.col_expr.col_expr_val[ctx_column_]));
}
}
}
}
epan_dissect_cleanup(&edt);
}
return filter;
}
void PacketList::resetColorized()
{
packet_list_model_->resetColorized();
update();
}
QString PacketList::packetComment()
{
int row = currentIndex().row();
const frame_data *fdata;
char *pkt_comment;
if (!cap_file_ || !packet_list_model_) return NULL;
fdata = packet_list_model_->getRowFdata(row);
if (!fdata) return NULL;
pkt_comment = cf_get_packet_comment(cap_file_, fdata);
return QString(pkt_comment);
/* XXX, g_free(pkt_comment) */
}
void PacketList::setPacketComment(QString new_comment)
{
int row = currentIndex().row();
frame_data *fdata;
gchar *new_packet_comment;
if (!cap_file_ || !packet_list_model_) return;
fdata = packet_list_model_->getRowFdata(row);
if (!fdata) return;
/* Check if we are clearing the comment */
if(new_comment.isEmpty()) {
new_packet_comment = NULL;
} else {
new_packet_comment = qstring_strdup(new_comment);
}
cf_set_user_packet_comment(cap_file_, fdata, new_packet_comment);
g_free(new_packet_comment);
redrawVisiblePackets();
}
QString PacketList::allPacketComments()
{
guint32 framenum;
frame_data *fdata;
QString buf_str;
if (!cap_file_) return buf_str;
for (framenum = 1; framenum <= cap_file_->count ; framenum++) {
fdata = frame_data_sequence_find(cap_file_->provider.frames, framenum);
char *pkt_comment = cf_get_packet_comment(cap_file_, fdata);
if (pkt_comment) {
buf_str.append(QString(tr("Frame %1: %2\n\n")).arg(framenum).arg(pkt_comment));
g_free(pkt_comment);
}
if (buf_str.length() > max_comments_to_fetch_) {
buf_str.append(QString(tr("[ Comment text exceeds %1. Stopping. ]"))
.arg(format_size(max_comments_to_fetch_, format_size_unit_bytes|format_size_prefix_si)));
return buf_str;
}
}
return buf_str;
}
void PacketList::deleteAllPacketComments()
{
guint32 framenum;
frame_data *fdata;
QString buf_str;
if (!cap_file_)
return;
for (framenum = 1; framenum <= cap_file_->count ; framenum++) {
fdata = frame_data_sequence_find(cap_file_->provider.frames, framenum);
cf_set_user_packet_comment(cap_file_, fdata, NULL);
}
redrawVisiblePackets();
}
// Slots
void PacketList::setCaptureFile(capture_file *cf)
{
if (cf) {
// We're opening. Restore our column widths.
header()->restoreState(column_state_);
}
cap_file_ = cf;
if (cap_file_ && columns_changed_) {
columnsChanged();
}
packet_list_model_->setCaptureFile(cf);
create_near_overlay_ = true;
sortByColumn(-1, Qt::AscendingOrder);
}
void PacketList::setMonospaceFont(const QFont &mono_font)
{
setFont(mono_font);
header()->setFont(wsApp->font());
}
void PacketList::goNextPacket(void)
{
if (QApplication::keyboardModifiers() & Qt::AltModifier) {
// Alt+toolbar
goNextHistoryPacket();
return;
}
if (selectionModel()->hasSelection()) {
setCurrentIndex(moveCursor(MoveDown, Qt::NoModifier));
} else {
// First visible packet.
setCurrentIndex(indexAt(viewport()->rect().topLeft()));
}
scrollViewChanged(false);
}
void PacketList::goPreviousPacket(void)
{
if (QApplication::keyboardModifiers() & Qt::AltModifier) {
// Alt+toolbar
goPreviousHistoryPacket();
return;
}
if (selectionModel()->hasSelection()) {
setCurrentIndex(moveCursor(MoveUp, Qt::NoModifier));
} else {
// Last visible packet.
QModelIndex last_idx = indexAt(viewport()->rect().bottomLeft());
if (last_idx.isValid()) {
setCurrentIndex(last_idx);
} else {
goLastPacket();
}
}
scrollViewChanged(false);
}
void PacketList::goFirstPacket(bool user_selected) {
if (packet_list_model_->rowCount() < 1) return;
setCurrentIndex(packet_list_model_->index(0, 0));
scrollTo(currentIndex());
if (user_selected) {
scrollViewChanged(false);
}
}
void PacketList::goLastPacket(void) {
if (packet_list_model_->rowCount() < 1) return;
setCurrentIndex(packet_list_model_->index(packet_list_model_->rowCount() - 1, 0));
scrollTo(currentIndex());
scrollViewChanged(false);
}
// XXX We can jump to the wrong packet if a display filter is applied
void PacketList::goToPacket(int packet) {
if (!cf_goto_frame(cap_file_, packet)) return;
int row = packet_list_model_->packetNumberToRow(packet);
if (row >= 0) {
setCurrentIndex(packet_list_model_->index(row, 0));
}
scrollViewChanged(false);
}
void PacketList::goToPacket(int packet, int hf_id)
{
goToPacket(packet);
proto_tree_->goToHfid(hf_id);
}
void PacketList::goNextHistoryPacket()
{
if (haveNextHistory(true)) {
in_history_ = true;
goToPacket(selection_history_.at(cur_history_));
in_history_ = false;
}
}
void PacketList::goPreviousHistoryPacket()
{
if (havePreviousHistory(true)) {
in_history_ = true;
goToPacket(selection_history_.at(cur_history_));
in_history_ = false;
}
}
void PacketList::markFrame()
{
if (!cap_file_ || !packet_list_model_) return;
packet_list_model_->toggleFrameMark(currentIndex());
create_far_overlay_ = true;
packets_bar_update();
}
void PacketList::markAllDisplayedFrames(bool set)
{
if (!cap_file_ || !packet_list_model_) return;
packet_list_model_->setDisplayedFrameMark(set);
create_far_overlay_ = true;
packets_bar_update();
}
void PacketList::ignoreFrame()
{
if (!cap_file_ || !packet_list_model_) return;
packet_list_model_->toggleFrameIgnore(currentIndex());
create_far_overlay_ = true;
int sb_val = verticalScrollBar()->value(); // Surely there's a better way to keep our position?
setUpdatesEnabled(false);
emit packetDissectionChanged();
setUpdatesEnabled(true);
verticalScrollBar()->setValue(sb_val);
}
void PacketList::ignoreAllDisplayedFrames(bool set)
{
if (!cap_file_ || !packet_list_model_) return;
packet_list_model_->setDisplayedFrameIgnore(set);
create_far_overlay_ = true;
emit packetDissectionChanged();
}
void PacketList::setTimeReference()
{
if (!cap_file_ || !packet_list_model_) return;
packet_list_model_->toggleFrameRefTime(currentIndex());
create_far_overlay_ = true;
}
void PacketList::unsetAllTimeReferences()
{
if (!cap_file_ || !packet_list_model_) return;
packet_list_model_->unsetAllFrameRefTime();
create_far_overlay_ = true;
}
void PacketList::applyTimeShift()
{
packet_list_model_->applyTimeShift();
redrawVisiblePackets();
// XXX emit packetDissectionChanged(); ?
}
void PacketList::showHeaderMenu(QPoint pos)
{
header_ctx_column_ = header()->logicalIndexAt(pos);
foreach (ColumnActions ca, checkable_actions_) {
header_actions_[ca]->setChecked(false);
}
switch (recent_get_column_xalign(header_ctx_column_)) {
case COLUMN_XALIGN_LEFT:
header_actions_[caAlignLeft]->setChecked(true);
break;
case COLUMN_XALIGN_CENTER:
header_actions_[caAlignCenter]->setChecked(true);
break;
case COLUMN_XALIGN_RIGHT:
header_actions_[caAlignRight]->setChecked(true);
break;
default:
break;
}
bool can_resolve = resolve_column(header_ctx_column_, cap_file_);
header_actions_[caResolveNames]->setChecked(can_resolve && get_column_resolved(header_ctx_column_));
header_actions_[caResolveNames]->setEnabled(can_resolve);
header_actions_[caRemoveColumn]->setEnabled(header_ctx_column_ >= 0 && header()->count() > 2);
foreach (QAction *action, show_hide_actions_) {
header_ctx_menu_.removeAction(action);
delete action;
}
show_hide_actions_.clear();
for (int i = 0; i < prefs.num_cols; i++) {
QAction *action = new QAction(get_column_title(i), &header_ctx_menu_);
action->setCheckable(true);
action->setChecked(get_column_visible(i));
action->setData(QVariant::fromValue(i));
connect(action, SIGNAL(triggered()), this, SLOT(columnVisibilityTriggered()));
header_ctx_menu_.insertAction(show_hide_separator_, action);
show_hide_actions_ << action;
}
header_ctx_menu_.popup(header()->viewport()->mapToGlobal(pos));
}
void PacketList::headerMenuTriggered()
{
QAction *ha = qobject_cast<QAction*>(sender());
if (!ha) return;
bool checked = ha->isChecked();
bool redraw = false;
switch(ha->data().value<ColumnActions>()) {
case caAlignLeft:
recent_set_column_xalign(header_ctx_column_, checked ? COLUMN_XALIGN_LEFT : COLUMN_XALIGN_DEFAULT);
break;
case caAlignCenter:
recent_set_column_xalign(header_ctx_column_, checked ? COLUMN_XALIGN_CENTER : COLUMN_XALIGN_DEFAULT);
break;
case caAlignRight:
recent_set_column_xalign(header_ctx_column_, checked ? COLUMN_XALIGN_RIGHT : COLUMN_XALIGN_DEFAULT);
break;
case caColumnPreferences:
emit showColumnPreferences(PrefsModel::COLUMNS_PREFERENCE_TREE_NAME);
break;
case caEditColumn:
emit editColumn(header_ctx_column_);
break;
case caResolveNames:
set_column_resolved(header_ctx_column_, checked);
packet_list_model_->resetColumns();
if (!prefs.gui_use_pref_save) {
prefs_main_write();
}
redraw = true;
break;
case caResizeToContents:
resizeColumnToContents(header_ctx_column_);
break;
case caDisplayedColumns:
// No-op
break;
case caHideColumn:
set_column_visible(header_ctx_column_, FALSE);
hideColumn(header_ctx_column_);
if (!prefs.gui_use_pref_save) {
prefs_main_write();
}
break;
case caRemoveColumn:
{
if (header()->count() > 2) {
column_prefs_remove_nth(header_ctx_column_);
columnsChanged();
if (!prefs.gui_use_pref_save) {
prefs_main_write();
}
}
break;
}
default:
break;
}
if (redraw) {
redrawVisiblePackets();
} else {
update();
}
}
void PacketList::columnVisibilityTriggered()
{
QAction *ha = qobject_cast<QAction*>(sender());
if (!ha) return;
int col = ha->data().toInt();
set_column_visible(col, ha->isChecked());
setColumnVisibility();
if (ha->isChecked()) {
setRecentColumnWidth(col);
}
if (!prefs.gui_use_pref_save) {
prefs_main_write();
}
}
void PacketList::sectionResized(int col, int, int new_width)
{
if (isVisible() && !columns_changed_ && !set_column_visibility_ && new_width > 0) {
// Column 1 gets an invalid value (32 on macOS) when we're not yet
// visible.
//
// Don't set column width when columns changed or setting column
// visibility because we may get a sectionReized() from QTreeView
// with values from a old columns layout.
//
// Don't set column width when hiding a column.
recent_set_column_width(col, new_width);
}
}
// The user moved a column. Make sure prefs.col_list, the column format
// array, and the header's visual and logical indices all agree.
// gtk/packet_list.c:column_dnd_changed_cb
void PacketList::sectionMoved(int logicalIndex, int oldVisualIndex, int newVisualIndex)
{
GList *new_col_list = NULL;
QList<int> saved_sizes;
int sort_idx;
// Since we undo the move below, these should always stay in sync.
// Otherwise the order of columns can be unexpected after drag and drop.
if (logicalIndex != oldVisualIndex) {
g_warning("Column moved from an unexpected state (%d, %d, %d)",
logicalIndex, oldVisualIndex, newVisualIndex);
}
// Remember which column should be sorted. Use the visual index since this
// points to the current GUI state rather than the outdated column order
// (indicated by the logical index).
sort_idx = header()->sortIndicatorSection();
if (sort_idx != -1) {
sort_idx = header()->visualIndex(sort_idx);
}
// Build a new column list based on the header's logical order.
for (int vis_idx = 0; vis_idx < header()->count(); vis_idx++) {
int log_idx = header()->logicalIndex(vis_idx);
saved_sizes << header()->sectionSize(log_idx);
void *pref_data = g_list_nth_data(prefs.col_list, log_idx);
if (!pref_data) continue;
new_col_list = g_list_append(new_col_list, pref_data);
}
// Undo move to ensure that the logical indices map to the visual indices,
// otherwise the column order is changed twice (once via the modified
// col_list, once because of the visual/logical index mismatch).
disconnect(header(), SIGNAL(sectionMoved(int,int,int)),
this, SLOT(sectionMoved(int,int,int)));
header()->moveSection(newVisualIndex, oldVisualIndex);
connect(header(), SIGNAL(sectionMoved(int,int,int)),
this, SLOT(sectionMoved(int,int,int)));
// Clear and rebuild our (and the header's) model. There doesn't appear
// to be another way to reset the logical index.
freeze();
g_list_free(prefs.col_list);
prefs.col_list = new_col_list;
thaw(true);
for (int i = 0; i < saved_sizes.length(); i++) {
if (saved_sizes[i] < 1) continue;
header()->resizeSection(i, saved_sizes[i]);
}
if (!prefs.gui_use_pref_save) {
prefs_main_write();
}
wsApp->emitAppSignal(WiresharkApplication::ColumnsChanged);
// If the column with the sort indicator got shifted, mark the new column
// after updating the columns contents (via ColumnsChanged) to ensure that
// the columns are sorted using the intended column contents.
int left_col = MIN(oldVisualIndex, newVisualIndex);
int right_col = MAX(oldVisualIndex, newVisualIndex);
if (left_col <= sort_idx && sort_idx <= right_col) {
header()->setSortIndicator(sort_idx, header()->sortIndicatorOrder());
}
}
void PacketList::updateRowHeights(const QModelIndex &ih_index)
{
QStyleOptionViewItem option = viewOptions();
int max_height = 0;
// One of our columns increased the maximum row height. Find out which one.
for (int col = 0; col < packet_list_model_->columnCount(); col++) {
QSize size_hint = itemDelegate()->sizeHint(option, packet_list_model_->index(ih_index.row(), col));
max_height = qMax(max_height, size_hint.height());
}
if (max_height > 0) {
packet_list_model_->setMaximiumRowHeight(max_height);
}
}
void PacketList::copySummary()
{
if (!currentIndex().isValid()) return;
QAction *ca = qobject_cast<QAction*>(sender());
if (!ca) return;
bool ok = false;
int copy_type = ca->data().toInt(&ok);
if (!ok) return;
QStringList col_parts;
int row = currentIndex().row();
for (int col = 0; col < packet_list_model_->columnCount(); col++) {
if (get_column_visible(col)) {
col_parts << packet_list_model_->data(packet_list_model_->index(row, col), Qt::DisplayRole).toString();
}
}
QString copy_text;
switch (copy_type) {
case copy_summary_csv_:
copy_text = "\"";
copy_text += col_parts.join("\",\"");
copy_text += "\"";
break;
case copy_summary_yaml_:
copy_text = "----\n";
copy_text += QString("# Packet %1 from %2\n").arg(row).arg(cap_file_->filename);
copy_text += "- ";
copy_text += col_parts.join("\n- ");
copy_text += "\n";
break;
case copy_summary_text_:
default:
copy_text = col_parts.join("\t");
}
wsApp->clipboard()->setText(copy_text);
}
// We need to tell when the user has scrolled the packet list, either to
// the end or anywhere other than the end.
void PacketList::vScrollBarActionTriggered(int)
{
// If we're scrolling with a mouse wheel or trackpad sliderPosition can end up
// past the end.
tail_at_end_ = (verticalScrollBar()->sliderPosition() >= verticalScrollBar()->maximum());
scrollViewChanged(tail_at_end_);
}
void PacketList::scrollViewChanged(bool at_end)
{
if (capture_in_progress_ && prefs.capture_auto_scroll) {
emit packetListScrolled(at_end);
}
}
// Goal: Overlay the packet list scroll bar with the colors of all of the
// packets.
// Try 1: Average packet colors in each scroll bar raster line. This has
// two problems: It's easy to wash out colors and we dissect every packet.
// Try 2: Color across a 5000 or 10000 packet window. We still end up washing
// out colors.
// Try 3: One packet per vertical scroll bar pixel. This seems to work best
// but has the smallest window.
// Try 4: Use a multiple of the scroll bar heigh and scale the image down
// using Qt::SmoothTransformation. This gives us more packets per raster
// line.
// Odd (prime?) numbers resulted in fewer scaling artifacts. A multiplier
// of 9 washed out colors a little too much.
//const int height_multiplier_ = 7;
void PacketList::drawNearOverlay()
{
if (create_near_overlay_) {
create_near_overlay_ = false;
}
if (!cap_file_ || cap_file_->state != FILE_READ_DONE) return;
if (!prefs.gui_packet_list_show_minimap) return;
qreal dp_ratio = 1.0;
dp_ratio = overlay_sb_->devicePixelRatio();
int o_height = overlay_sb_->height() * dp_ratio;
int o_rows = qMin(packet_list_model_->rowCount(), o_height);
int o_width = (wsApp->fontMetrics().height() * 2 * dp_ratio) + 2; // 2ems + 1-pixel border on either side.
int selected_pos = -1;
if (recent.packet_list_colorize && o_rows > 0) {
QImage overlay(o_width, o_height, QImage::Format_ARGB32_Premultiplied);
QPainter painter(&overlay);
overlay.fill(Qt::transparent);
int cur_line = 0;
int start = 0;
if (packet_list_model_->rowCount() > o_height && overlay_sb_->maximum() > 0) {
start += ((double) overlay_sb_->value() / overlay_sb_->maximum()) * (packet_list_model_->rowCount() - o_rows);
}
int end = start + o_rows;
for (int row = start; row < end; row++) {
packet_list_model_->ensureRowColorized(row);
frame_data *fdata = packet_list_model_->getRowFdata(row);
const color_t *bgcolor = NULL;
if (fdata->color_filter) {
const color_filter_t *color_filter = (const color_filter_t *) fdata->color_filter;
bgcolor = &color_filter->bg_color;
}
int next_line = (row - start) * o_height / o_rows;
if (bgcolor) {
QColor color(ColorUtils::fromColorT(bgcolor));
painter.fillRect(0, cur_line, o_width, next_line - cur_line, color);
}
cur_line = next_line;
}
// If the selected packet is in the overlay set selected_pos
// accordingly. Otherwise, pin it to either the top or bottom.
if (selectionModel()->hasSelection()) {
int sel_row = selectionModel()->currentIndex().row();
if (sel_row < start) {
selected_pos = 0;
} else if (sel_row >= end) {
selected_pos = overlay.height() - 1;
} else {
selected_pos = (sel_row - start) * o_height / o_rows;
}
}
overlay_sb_->setNearOverlayImage(overlay, packet_list_model_->rowCount(), start, end, selected_pos);
} else {
QImage overlay;
overlay_sb_->setNearOverlayImage(overlay);
}
}
void PacketList::drawFarOverlay()
{
if (create_far_overlay_) {
create_far_overlay_ = false;
}
if (!cap_file_ || cap_file_->state != FILE_READ_DONE) return;
if (!prefs.gui_packet_list_show_minimap) return;
QSize groove_size = overlay_sb_->grooveRect().size();
qreal dp_ratio = 1.0;
dp_ratio = overlay_sb_->devicePixelRatio();
groove_size *= dp_ratio;
int o_width = groove_size.width();
int o_height = groove_size.height();
int pl_rows = packet_list_model_->rowCount();
QImage overlay(o_width, o_height, QImage::Format_ARGB32_Premultiplied);
bool have_marked_image = false;
// If only there were references from popular culture about getting into
// some sort of groove.
if (!overlay.isNull() && recent.packet_list_colorize && pl_rows > 0) {
QPainter painter(&overlay);
// Draw text-colored tick marks on a transparent background.
// Hopefully no themes use the text color for the groove color.
overlay.fill(Qt::transparent);
QColor tick_color = palette().text().color();
tick_color.setAlphaF(0.3);
painter.setPen(tick_color);
for (int row = 0; row < pl_rows; row++) {
frame_data *fdata = packet_list_model_->getRowFdata(row);
if (fdata->flags.marked || fdata->flags.ref_time || fdata->flags.ignored) {
int new_line = row * o_height / pl_rows;
int tick_width = o_width / 3;
// Marked or ignored: left side, time refs: right side.
// XXX Draw ignored ticks in the middle?
int x1 = fdata->flags.ref_time ? o_width - tick_width : 1;
int x2 = fdata->flags.ref_time ? o_width - 1 : tick_width;
painter.drawLine(x1, new_line, x2, new_line);
have_marked_image = true;
}
}
if (have_marked_image) {
overlay_sb_->setMarkedPacketImage(overlay);
return;
}
}
if (!have_marked_image) {
QImage null_overlay;
overlay_sb_->setMarkedPacketImage(null_overlay);
}
}
void PacketList::rowsInserted(const QModelIndex &parent, int start, int end)
{
QTreeView::rowsInserted(parent, start, end);
rows_inserted_ = true;
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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