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graphics/twm4nx/src/cbackground.cxx: Should set the initial background color immediately without waiting for a redraw.

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This commit is contained in:
Gregory Nutt 2019-05-04 07:47:00 -06:00
parent 9eb7db731e
commit e50bbaac3a
1 changed files with 19 additions and 0 deletions
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19
graphics/twm4nx/src/cbackground.cxx
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@ -246,6 +246,25 @@ bool CBackground::createBackgroundWindow(void)
return false;
}
// Get the graphics port for drawing on the background window
NXWidgets::CGraphicsPort *port = control->getGraphicsPort();
// Get the size of the region to redraw (the whole display)
struct nxgl_size_s windowSize;
if (!m_backWindow->getSize(&windowSize))
{
twmerr("ERROR: getSize failed\n");
delete m_backWindow;
m_backWindow = (FAR NXWidgets::CBgWindow *)0;
return false;
}
// Fill the display with the background color
port->drawFilledRect(0, 0, windowSize.w, windowSize.h,
CONFIG_TWM4NX_DEFAULT_BACKGROUNDCOLOR);
return true;
}