51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
#include "aotextarea.h"
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#include <QScrollBar>
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#include <QTextCursor>
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#include <QRegExp>
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AOTextArea::AOTextArea(QWidget *p_parent) : QTextBrowser(p_parent)
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{
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}
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void AOTextArea::append_chatmessage(QString p_name, QString p_message)
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{
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const QTextCursor old_cursor = this->textCursor();
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const int old_scrollbar_value = this->verticalScrollBar()->value();
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const bool is_scrolled_down = old_scrollbar_value == this->verticalScrollBar()->maximum();
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this->moveCursor(QTextCursor::End);
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this->insertPlainText(p_name + ": ");
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QRegExp split_rx("(\\ |\\n)");
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QStringList word_list = p_message.split(split_rx);
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for (QString i_word : word_list)
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{
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if (i_word.startsWith("http"))
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{
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i_word.replace("\r", "");
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this->insertHtml("<a href=\"" + i_word + "\">" + i_word + "</a> ");
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}
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else
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this->insertPlainText(i_word + " ");
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}
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this->insertPlainText("\n");
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if (old_cursor.hasSelection() || !is_scrolled_down)
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{
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// The user has selected text or scrolled away from the bottom: maintain position.
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this->setTextCursor(old_cursor);
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this->verticalScrollBar()->setValue(old_scrollbar_value);
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}
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else
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{
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// The user hasn't selected any text and the scrollbar is at the bottom: scroll to the bottom.
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this->moveCursor(QTextCursor::End);
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this->verticalScrollBar()->setValue(this->verticalScrollBar()->maximum());
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}
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}
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