X11, Tcl and Tk for Windows
Harold L Hunt II
huntharo@msu.edu
Thu Sep 18 07:36:00 GMT 2003
Mark,
> int idc = DefaultColormap (_pdisp, 0); // Failure here, or in
> subsequent call to XParseColor ()
Do these two calls indicate that you are trying to use a PseudoColor
(e.g. 8 bit palletized color) visual? If so, then you need to be
running Windows in 8 bit color mode or you can run in fullscreen mode
with 8 bit color. This later one would be done via (XWin.exe
-fullscreen -depth 8).
PseudoColor is not supported when the underlying display is not a
pallete-based display.
Please correct me if I am totally off base.
Harold
Mark Horn wrote:
> I am looking for Tcl/Tk v8.0 and a compatible version of Xlib, for a
> port of an application developed originally for a Unix platform. The
> application is a based transport simulator, and is written in C++ . The
> Tcl/Tk is there to provide the GUI, including a window within which X11
> calls provide "real-time" graphics display of the behaviour of simulated
> objects (eg "real-time" movement of vehicles across a map).
>
> At first sight Cygwin appears to provide what I need:
>
> a. Include files for tcl and tk in usr/include and for X in
> X11R6/include/X11.
> b. The X11 library at usr\X11R6\lib\libX11.a ... And the Tcl/Tk
> libraries tcl80.lib and tk80.lib
>
> But when I link with the libraries mentioned in (b), the following
> sequence of code leads to failure in the X software. For brevity this
> code omits checks on call results, which are OK up to the last line.
>
> _pint = Tcl_CreateInterp();
> Tcl_Init (_pint);
> _tk_mainwin = Tk_MainWindow (_pint);
> _pdisp= Tk_Display (_tk_mainwin);
> int idc = DefaultColormap (_pdisp, 0); // Failure here, or in
> subsequent call to XParseColor ()
>
> I have also tried linking with libraries tcl84.lib , tk84.lib from the
> Tcl/Tk distribution at http://www.tcl.tk/software/ includes .. but in
> that case I get a failure in the call to Tcl_Init. I would appreciate
> advice on how to obtain a workable collection of the software libraries,
> or on some other way of overcoming these difficulties.
>
> Mark Horn
>
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