I modified the splitter sample code to suit my needs. I came across
HIThemeDrawPaneSplitter() which I now use if GetHIToolboxVersion() >=
0x130 since the sample code draws the splitter using images. However,
HIThemeDrawPaneSplitter() only draws the beveled circle in the
splitter, not the rest of the splitter. This seems odd since I can't
seem to figure out the point of an adornment of
kHIThemeSplitterAdornmentMetal if only the beveled circle is drawn. I
ended up preceding the call to HIThemeDrawPaneSplitter() with
HIThemeDrawPlacard() to duplicate the look of Mail's splitter. Is this
correct or is HIThemeDrawPaneSplitter() really supposed to draw the
whole thing and I'm doing something wrong?
I also looked into HIThemeDrawGrabber() which the header file claims to
work in 10.3 but it doesn't (it does work in 10.4)... after seeing it,
I'm still not sure what it is.
Also, in my custom list view, I use HIThemeDrawTextBox() if
GetHIToolboxVersion() >= 0x130 and DrawThemeTextBox() otherwise (along
with TruncateThemeText()). I'm finding that I have to do an
EraseRect() before DrawThemeTextBox() or else the text draws over
itself when scrolling. Is this normal?
-Chinh Nguyen
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