Home » U++ Library support » Draw, Display, Images, Bitmaps, Icons » Display::PaintBackground not called
Display::PaintBackground not called [message #26223] |
Thu, 15 April 2010 08:09 |
hojtsy
Messages: 241 Registered: January 2006 Location: Budapest, Hungary
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Experienced Member |
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Some years ago I have put together the CodeMetric example. I have noticed that it no longer compiles due to library changes. I am trying to resurrect the code, and noticed that the background of ArrayCtrl cells no loger gets recolored even though I call SetDisplay with a Display subclass which overrides PaintBackground.
Only the cell's margin is painted with my PaintBackground.
void Display::Paint(Draw& w, const Rect& r, const Value& q, Color ink, Color paper, dword style) const
{
StdDisplay().Paint(w, r, q, ink, paper, style);
}
Can this be modified so that the PaintBackground of the subclass is called? Something like this (does not compile).
void Display::Paint(Draw& w, const Rect& r, const Value& q, Color ink, Color paper, dword style) const
{
PaintBackground(w, r, q, ink, paper, style);
StdDisplay().Paint0(w, r, q, ink, paper, style);
}
Thanks,
Sandor
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Re: Display::PaintBackground not called [message #26244 is a reply to message #26223] |
Fri, 16 April 2010 20:15 |
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mirek
Messages: 13975 Registered: November 2005
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Ultimate Member |
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hojtsy wrote on Thu, 15 April 2010 02:09 | Some years ago
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Hi, welcome back!
Quote: |
I have noticed that it no longer compiles due to library changes.
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Well, sorry about that, CodeBase was originally meant to be used in theide only...
Quote: |
I am trying to resurrect the code, and noticed that the background of ArrayCtrl cells no loger gets recolored even though I call SetDisplay with a Display subclass which overrides PaintBackground.
Only the cell's margin is painted with my PaintBackground.
void Display::Paint(Draw& w, const Rect& r, const Value& q, Color ink, Color paper, dword style) const
{
StdDisplay().Paint(w, r, q, ink, paper, style);
}
Can this be modified so that the PaintBackground of the subclass is called? Something like this (does not compile).
void Display::Paint(Draw& w, const Rect& r, const Value& q, Color ink, Color paper, dword style) const
{
PaintBackground(w, r, q, ink, paper, style);
StdDisplay().Paint0(w, r, q, ink, paper, style);
}
Thanks,
Sandor
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OK, you are right, this makes sense. (But I am out, will sync svn at sunday evening).
Mirek
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