68 lines
2.1 KiB
C++
68 lines
2.1 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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#include <QDebug>
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AOTextArea::AOTextArea(QWidget *p_parent) : QTextBrowser(p_parent)
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{
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this->setStyleSheet(".error {color: #0f0}");
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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->append("");
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this->insertHtml("<b>" + p_name.toHtmlEscaped() + "</b>: ");
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//cheap workarounds ahoy
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p_message += " ";
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QString result = p_message.toHtmlEscaped().replace("\n", "<br>").replace(omnis_dank_url_regex, "<a href='\\1'>\\1</a>" );
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this->insertHtml(result);
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this->auto_scroll(old_cursor, old_scrollbar_value, is_scrolled_down);
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}
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void AOTextArea::append_error(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->append("");
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this->insertHtml("<div class='error'>");
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p_message += " ";
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QString result = p_message.replace("\n", "<br>").replace(omnis_dank_url_regex, "<a href='\\1'>\\1</a>" );
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this->insertHtml(result);
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this->insertHtml("</div>");
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this->auto_scroll(old_cursor, old_scrollbar_value, is_scrolled_down);
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}
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void AOTextArea::auto_scroll(QTextCursor old_cursor, int old_scrollbar_value, bool is_scrolled_down)
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{
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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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