atrooney-online-2/src/aotextarea.cpp
Salanto ffcd783c10
Add line limit to server chat and debug log panes (#784)
Set default maximum block size to 5,000 unless otherwise specified
2022-06-11 18:09:53 -05:00

84 lines
2.6 KiB
C++

#include "aotextarea.h"
AOTextArea::AOTextArea(QWidget *p_parent, int p_log_length) : QTextBrowser(p_parent)
{
this->document()->setMaximumBlockCount(p_log_length);
}
void AOTextArea::append_linked(QString p_message)
{
QString result = p_message.toHtmlEscaped()
.replace("\n", "<br>")
.replace(url_parser_regex, "<a href='\\1'>\\1</a>");
this->insertHtml(result);
}
void AOTextArea::append_chatmessage(QString p_name, QString p_message,
QString p_name_colour, QString p_color)
{
const QTextCursor old_cursor = this->textCursor();
const int old_scrollbar_value = this->verticalScrollBar()->value();
const bool is_scrolled_down =
old_scrollbar_value == this->verticalScrollBar()->maximum();
this->moveCursor(QTextCursor::End);
this->append("");
if (!p_name.isEmpty()) {
this->insertHtml("<b><font color=" + p_name_colour + ">" + p_name.toHtmlEscaped() +
"</font></b>:&nbsp;");
// cheap workarounds ahoy
p_message += " ";
}
QString result = p_message.toHtmlEscaped()
.replace("\n", "<br>")
.replace(url_parser_regex, "<a href='\\1'>\\1</a>");
if (!p_color.isEmpty()) {
result = "<font color=" + p_color + ">" + result + "</font>";
}
this->insertHtml(result);
this->auto_scroll(old_cursor, old_scrollbar_value, is_scrolled_down);
}
void AOTextArea::append_error(QString p_message)
{
const QTextCursor old_cursor = this->textCursor();
const int old_scrollbar_value = this->verticalScrollBar()->value();
const bool is_scrolled_down =
old_scrollbar_value == this->verticalScrollBar()->maximum();
this->moveCursor(QTextCursor::End);
this->append("");
p_message += " ";
QString result = p_message.replace("\n", "<br>")
.replace(url_parser_regex, "<a href='\\1'>\\1</a>");
this->insertHtml("<font color='red'>" + result + "</font>");
this->auto_scroll(old_cursor, old_scrollbar_value, is_scrolled_down);
}
void AOTextArea::auto_scroll(QTextCursor old_cursor, int old_scrollbar_value,
bool is_scrolled_down)
{
if (old_cursor.hasSelection() || !is_scrolled_down) {
// The user has selected text or scrolled away from the bottom: maintain
// position.
this->setTextCursor(old_cursor);
this->verticalScrollBar()->setValue(old_scrollbar_value);
}
else {
// The user hasn't selected any text and the scrollbar is at the bottom:
// scroll to the bottom.
this->moveCursor(QTextCursor::End);
this->verticalScrollBar()->setValue(this->verticalScrollBar()->maximum());
}
}