On Dec 17, 2006, at 3:22 PM, Paul Rehill wrote:
Hi all
The RB compiler doesn't seem to like declares with CarbonLib appearing
in code for UB builds. I was hoping it would just ignore such code if
placed within TargetCarbon conditional if statements but it seems I
have to get rid of all CarbonLib references before I can attempt to
compile the project.
That's because UB builds are based on Mach-O, not Carbon. The declare
call is different.
Seth Willits had a class for detecting the double clicking time in a
listbox's cell which depends on code like this:
Function RetrieveDbleClickTime() As Integer
#If TargetCarbon
Declare Function GetDblTime Lib "CarbonLib" () as Integer
Return GetDblTime()
#Else
#If TargetMacOS
Declare Function GetDblTime Lib "InterfaceLib" () as Integer
Return GetDblTime()
#endIf
#endif
#If TargetWin32
Declare Function GetDoubleClickTime Lib "User32.DLL" () as Integer
Return GetDoubleClickTime() / 1000 * 60
#endif
End Function
IIRC, that was for a Double Clickable Canvas, not a listbox. There's
also one in the examples by Geoff.
Making one for a Listbox cell requires a bit of modification but is
entirely feasible.
What is the best way to get around the compiler's problem with:
Declare Function GetDblTime Lib "CarbonLib" () as Integer
Can the second call to:
Declare Function GetDblTime Lib "InterfaceLib" () as Integer
be used for all Mac OS X builds from 10.1 upwards?
"InterfaceLib" is for OS9.
Better still is to create a constant that will enter the correct
library call based on the platorm.
Remember that UB's are built using the Mach-O framework and that
"Carbon Lib" is a PEF call in a Declare.
Another thing you should be aware of is that many Double-Click
routines (like Seth's and Geoff's) use the Mouse-Up event that can
play havoc when applying it to a Listbox's CellClick event.
Should you wish an example, call me off-list.
Terry
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