On 8/28/2017 3:55 AM, Tomasz Wlostowski wrote: > On 27.08.2017 17:03, Russell Oliver wrote: >> Hi all, >> >> Attached is a patch that allows for the use of a mathematical expression >> when editing the value field of components in Eeschema. >> >> If editing the value field and the entered string begins with an equals >> sign "=" as you would when entering a formula into an Excel spreadsheet >> cell, it is compiled and parsed when the Enter button is pressed while >> the text entry is in focus. >> >> A valid expression is returned as a double value which is then printed >> with a format to remove trailing zeroes. An invalid expression will not >> change the text value. >> >> The expression parser is simple wrap of the C++ Mathematical Expression >> Toolkit Library (ExprTk) written Arash Partow and is under the MIT >> licence [1]. >> > Hi Russell, > > Looks great, I wanted to have such a feature for parametric mechanical > design. > > Have a look at the WX_UNIT_BINDER class - it's used in more recent > dialogs for inputting coordinates/sizes. Perhaps the math parser could > become a standard part of it?
This makes sense as long as we can continue to use WX_UNIT_BINDER for normal coordinate entry without math expression support. > > Cheers, > Tom > > > _______________________________________________ > Mailing list: https://launchpad.net/~kicad-developers > Post to : [email protected] > Unsubscribe : https://launchpad.net/~kicad-developers > More help : https://help.launchpad.net/ListHelp > _______________________________________________ Mailing list: https://launchpad.net/~kicad-developers Post to : [email protected] Unsubscribe : https://launchpad.net/~kicad-developers More help : https://help.launchpad.net/ListHelp
