Am 28.04.2008 um 17:59 schrieb Carlos Tasada:

>  Hi guys,

In general this is the wrong mailing list for such questions. Better  
direct your general Tcl/Tk related questions to the comp.lang.tcl  
newsgroup.
This mailing list is for the development of the core Tcl language  
(including Tk).
> 
>  I've just found an annoying problem when executing the same code in  
>  Windows and Linux. I'm using ActiveTcl 8.5.1 and I detected some  
>  different look between the Windows and Linux windows, when checking  
>  the code I found that the Tk objects (i.e a button) have different  
>  sizes in both platforms
> 
>  % button .b1 -text "OK" -font {arial 8} -width 10
>  % pack .b1
> 
>  In Linux
>  % winfo geometry .b1
>  86x25+0+0
>  % winfo pixels . 1i
>  87
> 
>  In Windows
>  % winfo geometry .b1
>  70x25+22+0
>  % winfo pixels . 1i
>  96
> 
Building apps that depend on the absolute pixel sizes is bad style,  
especially if you later need to add on i18n stuff. And Tk's grid  
manager makes it easy enough to get a decent resize behaviour.

First hint is: You specify Arial 8 as a font and button will adapt its  
size to it, but your totally in the hand of the font server/font  
subsystem how large arial 8 is in pixels. And as button specifies its  
width in characters if it contains text you could only fix the font  
issues. And getting Linux and Windows machine to use the same font  
metrics is probably even harder than fixing your app to use a dynamic  
layout.

Michael
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