Merge pull request #54 from OmniTroid/master

Restructuring +  better cross-platform support

1 files changed, 60 insertions, 0 deletions

diff --git a/src/aotextarea.cpp b/src/aotextarea.cpp
new file mode 100644
index 00000000..5e146326
--- /dev/null
+++ b/src/aotextarea.cpp
@@ -0,0 +1,60 @@
+#include "aotextarea.h"
+
+AOTextArea::AOTextArea(QWidget *p_parent) : QTextBrowser(p_parent)
+{
+
+}
+
+void AOTextArea::append_chatmessage(QString p_name, QString p_message, QString p_colour)
+{
+  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><font color=" + p_colour + ">" + p_name.toHtmlEscaped() + "</font></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());
+  }
+}