From 366389c6bc8c3bd52303e791e42966a1ef6455b0 Mon Sep 17 00:00:00 2001
From: Cerapter <cerap@protonmail.com>
Date: Fri, 27 Jul 2018 23:39:56 +0200
Subject: [PATCH] The log now has an option to go both ways.

- Due to the log's nature, this must be set manually in one's
`config.ini`.
---
 aoapplication.h         |  4 +++
 courtroom.cpp           | 74 ++++++++++++++++++++++++++++-------------
 text_file_functions.cpp | 12 +++++++
 3 files changed, 67 insertions(+), 23 deletions(-)

diff --git a/aoapplication.h b/aoapplication.h
index 947bb1d..d94cd2a 100644
--- a/aoapplication.h
+++ b/aoapplication.h
@@ -133,6 +133,10 @@ public:
   //may contain, from config.ini.
   int get_max_log_size();
 
+  // Returns whether the log should go upwards (new behaviour)
+  // or downwards (vanilla behaviour).
+  bool get_log_goes_downwards();
+
   // Returns the username the user may have set in config.ini.
   QString get_default_username();
 
diff --git a/courtroom.cpp b/courtroom.cpp
index 4e1529b..fda29ce 100644
--- a/courtroom.cpp
+++ b/courtroom.cpp
@@ -1175,15 +1175,14 @@ void Courtroom::handle_chatmessage_3()
 
 void Courtroom::append_ic_text(QString p_text, QString p_name)
 {
+  bool downwards = ao_app->get_log_goes_downwards();
+
   QTextCharFormat bold;
   QTextCharFormat normal;
   bold.setFontWeight(QFont::Bold);
   normal.setFontWeight(QFont::Normal);
   const QTextCursor old_cursor = ui_ic_chatlog->textCursor();
   const int old_scrollbar_value = ui_ic_chatlog->verticalScrollBar()->value();
-  const bool is_scrolled_down = old_scrollbar_value == ui_ic_chatlog->verticalScrollBar()->maximum();
-
-  ui_ic_chatlog->moveCursor(QTextCursor::End);
 
   // Get rid of centering.
   if(p_text.startsWith(": ~~"))
@@ -1313,29 +1312,58 @@ void Courtroom::append_ic_text(QString p_text, QString p_name)
 
   // After all of that, let's jot down the message into the IC chatlog.
 
-  if (!first_message_sent)
+  if (downwards)
   {
-      ui_ic_chatlog->textCursor().insertText(p_name, bold);
-      first_message_sent = true;
-  }
-  else
-  {
-      ui_ic_chatlog->textCursor().insertText('\n' + p_name, bold);
-  }
+      const bool is_scrolled_down = old_scrollbar_value == ui_ic_chatlog->verticalScrollBar()->maximum();
 
-  ui_ic_chatlog->textCursor().insertText(p_text, normal);
-
-  if (old_cursor.hasSelection() || !is_scrolled_down)
-  {
-      // The user has selected text or scrolled away from the top: maintain position.
-      ui_ic_chatlog->setTextCursor(old_cursor);
-      ui_ic_chatlog->verticalScrollBar()->setValue(old_scrollbar_value);
-  }
-  else
-  {
-      // The user hasn't selected any text and the scrollbar is at the top: scroll to the top.
       ui_ic_chatlog->moveCursor(QTextCursor::End);
-      ui_ic_chatlog->verticalScrollBar()->setValue(ui_ic_chatlog->verticalScrollBar()->maximum());
+
+      if (!first_message_sent)
+      {
+          ui_ic_chatlog->textCursor().insertText(p_name, bold);
+          first_message_sent = true;
+      }
+      else
+      {
+          ui_ic_chatlog->textCursor().insertText('\n' + p_name, bold);
+      }
+
+      ui_ic_chatlog->textCursor().insertText(p_text, normal);
+
+      if (old_cursor.hasSelection() || !is_scrolled_down)
+      {
+          // The user has selected text or scrolled away from the bottom: maintain position.
+          ui_ic_chatlog->setTextCursor(old_cursor);
+          ui_ic_chatlog->verticalScrollBar()->setValue(old_scrollbar_value);
+      }
+      else
+      {
+          // The user hasn't selected any text and the scrollbar is at the bottom: scroll to the top.
+          ui_ic_chatlog->moveCursor(QTextCursor::End);
+          ui_ic_chatlog->verticalScrollBar()->setValue(ui_ic_chatlog->verticalScrollBar()->maximum());
+      }
+  }
+  else
+  {
+      const bool is_scrolled_up = old_scrollbar_value == ui_ic_chatlog->verticalScrollBar()->minimum();
+
+      ui_ic_chatlog->moveCursor(QTextCursor::Start);
+
+      ui_ic_chatlog->textCursor().insertText(p_name, bold);
+      ui_ic_chatlog->textCursor().insertText(p_text + '\n', normal);
+
+      if (old_cursor.hasSelection() || !is_scrolled_up)
+      {
+          // The user has selected text or scrolled away from the top: maintain position.
+          ui_ic_chatlog->setTextCursor(old_cursor);
+          ui_ic_chatlog->verticalScrollBar()->setValue(old_scrollbar_value);
+      }
+      else
+      {
+          // The user hasn't selected any text and the scrollbar is at the top: scroll to the top.
+          ui_ic_chatlog->moveCursor(QTextCursor::Start);
+          ui_ic_chatlog->verticalScrollBar()->setValue(ui_ic_chatlog->verticalScrollBar()->minimum());
+      }
   }
 }
 
diff --git a/text_file_functions.cpp b/text_file_functions.cpp
index db858cb..1389cf5 100644
--- a/text_file_functions.cpp
+++ b/text_file_functions.cpp
@@ -99,6 +99,18 @@ int AOApplication::get_max_log_size()
     else return f_result.toInt();
 }
 
+bool AOApplication::get_log_goes_downwards()
+{
+    QString f_result = read_config("log_goes_downwards");
+
+    if (f_result == "true")
+        return true;
+    else if (f_result == "false")
+        return false;
+    else
+        return true;
+}
+
 QString AOApplication::get_default_username()
 {
     QString f_result = read_config("default_username");