atrooney-online-2/aotextarea.cpp
Cerapter d314b8dd07 Moved includes out of the CPP files into the header files.
Reimplementation of `30a87d23c9c63bed072b3460e7482075dc530b2c` from the
old origin.
2018-08-19 09:37:34 +02:00

61 lines
1.9 KiB
C++

#include "aotextarea.h"
AOTextArea::AOTextArea(QWidget *p_parent) : QTextBrowser(p_parent)
{
}
void AOTextArea::append_chatmessage(QString p_name, 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("");
this->insertHtml("<b>" + p_name.toHtmlEscaped() + "</b>:&nbsp;");
//cheap workarounds ahoy
p_message += " ";
QString result = p_message.toHtmlEscaped().replace("\n", "<br>").replace(omnis_dank_url_regex, "<a href='\\1'>\\1</a>" );
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(omnis_dank_url_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());
}
}