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textbox.cpp/h: use parameter as ref, ensure empty string on empty line array

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Origin commit data
------------------
Commit: 1d97e5f0b8
Author: Thilo Graf <dbt@novatux.de>
Date: 2019-04-11 (Thu, 11 Apr 2019)
This commit is contained in:
Thilo Graf
2019-04-11 21:07:33 +02:00
committed by vanhofen
parent b8fb18066c
commit ba2014ed73
2 changed files with 4 additions and 3 deletions
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5
src/gui/widget/textbox.cpp
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@@ -707,7 +707,8 @@ void CTextBox::refreshText(void)
//calculate xpos
if ((m_nMode & CENTER) || (m_nMode & RIGHT))
{
x_center = m_cFrameTextRel.iWidth - m_cFrameTextRel.iX - 2*text_Hborder_width - m_pcFontText->getRenderWidth(m_cLineArray[i], m_utf8_encoded);
std::string tmpline = !m_cLineArray.empty() ? m_cLineArray[i] : "";
x_center = m_cFrameTextRel.iWidth - m_cFrameTextRel.iX - 2*text_Hborder_width - m_pcFontText->getRenderWidth(tmpline, m_utf8_encoded);
if (m_nMode & CENTER)
x_center /= 2;
if (m_nMode & SCROLL)
@@ -947,7 +948,7 @@ void CTextBox::disableBackgroundPaint()
enableBackgroundPaint(false);
}
void CTextBox::setTextRenderModeFullBG(bool mode)
void CTextBox::setTextRenderModeFullBG(const bool& mode)
{
m_renderMode = (mode) ? 2 /*Font::FULLBG*/ : 0;
}