112 lines
2.9 KiB
C++
112 lines
2.9 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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}
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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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//QRegExp regExp("((([A-Za-z]{3,9}:(?:\\/\\/)?)(?:[\\-;:&=\\+\\$,\\w]+@)?[A-Za-z0-9\\.\\-]+|(?:www\\.|[\\-;:&=\\+\\$,\\w]+@)[A-Za-z0-9\\.\\-]+)((?:\\/[\\+~%\\/\\.\\w\\-]*)?\\??(?:[\\-\\+=&;%@\\.\\w]*)#?(?:[\\.\\!\\/\\\\\\w]*))?)");
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QRegExp omnis_dank_url_regex("\\b(https?://\\S+\\.\\S+)\\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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/*
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QRegExp rx("\\bhttp://\\S+");
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int first_index = rx.indexIn(p_message);
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qDebug() << "number of rx indices: " << rx.captureCount();
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if (first_index < 0)
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{
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this->insertPlainText(p_message);
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qDebug() << "NO REGEX MATCHES";
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return;
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}
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//indices where we found a regex match
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QVector<int> rx_indices;
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QStringList links = rx.capturedTexts();
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qDebug() << "link size" << links.size();
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rx_indices.append(first_index);
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//start at one because first_index is already appended
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for (int n_pos = 1 ; n_pos < rx.captureCount() ; ++n_pos)
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rx_indices.append(rx.indexIn(p_message));
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for (int msg_pos = 0 ; msg_pos < p_message.size() ; ++msg_pos)
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{
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int tag_index = rx_indices.indexOf(msg_pos);
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if (tag_index < 0)
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{
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this->insertPlainText(p_message.at(msg_pos));
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continue;
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}
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QString link = links.at(tag_index);
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QString html_string = "<a href=\"" + link + "\">" + link + "</a>";
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qDebug() << "html: " << html_string;
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this->insertHtml(html_string);
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msg_pos += link.size() - 1;
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}
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*/
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/*
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QStringList word_list = p_message.split(" ");
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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("\n", "").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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*/
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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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