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added more flexible scrollbar in courtroom

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This commit is contained in:
David Skoland 2017-01-29 12:15:58 +01:00
parent ab321a4a7a
commit effd224b44
1 changed files with 24 additions and 1 deletions
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25
courtroom.cpp
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@ -6,6 +6,7 @@
#include "file_functions.h"
#include <QDebug>
#include <QScrollBar>
Courtroom::Courtroom(AOApplication *p_ao_app) : QMainWindow()
{
@ -459,8 +460,30 @@ void Courtroom::handle_chatmessage(QStringList *p_contents)
{
QString f_message = p_contents->at(2) + ": " + p_contents->at(4) + '\n';
//ui_ic_chatlog->moveCursor(QTextCursor::Start);
//ui_ic_chatlog->insertPlainText(f_message);
const QTextCursor old_cursor = ui_ic_chatlog->textCursor();
const int old_scrollbar_value = ui_ic_chatlog->verticalScrollBar()->value();
const bool is_scrolled_up = old_scrollbar_value == ui_ic_chatlog->verticalScrollBar()->minimum();
ui_ic_chatlog->moveCursor(QTextCursor::Start);
ui_ic_chatlog->insertPlainText(f_message);
ui_ic_chatlog->textCursor().insertText(f_message);
if (old_cursor.hasSelection() || !is_scrolled_up)
{
// 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 top: scroll to the top.
ui_ic_chatlog->moveCursor(QTextCursor::Start);
//ui_ic_chatlog->verticalScrollBar()->setValue(verticalScrollBar()->minimum());
ui_ic_chatlog->verticalScrollBar()->setValue(ui_ic_chatlog->verticalScrollBar()->minimum());
}
//T0D0: play objection gif->preanimation if there is any
}