本文整理汇总了C++中PacketListRecord::data方法的典型用法代码示例。如果您正苦于以下问题：C++ PacketListRecord::data方法的具体用法？C++ PacketListRecord::data怎么用？C++ PacketListRecord::data使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PacketListRecord的用法示例。
在下文中一共展示了PacketListRecord::data方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: data
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 */);
//.........这里部分代码省略.........