Chapter 13. Examples of I18N

103

and

XA_COMPOUND_TEXT

means the data is in compound text. Compound text is a subset of ISO

2022 and can handle international text data.

Now,

XFetchName()

can handle

XA_STRING

type only. Thus we should use

XGetWMName()

.

Since handling of compound text needs several lines of source codes, I wrote a wrapper function.

/*

* The following functions are internationalized substitutions

* for XFetchName and XGetIconName using XGetWMName and

* XGetWMIconName.

*

* Please note that the third arguments have to be freed using free(),

* not XFree().

*/

Status

I18N_FetchName(dpy, w, winname)

Display *dpy;

Window w;

char ** winname;

{

int

status;

XTextProperty text_prop;

char **list;

int

num;

status = XGetWMName(dpy, w, &text_prop);

if (!status || !text_prop.value || !text_prop.nitems) return 0;

status = XmbTextPropertyToTextList(dpy, &text_prop, &list, &num);

if (status < Success || !num || !*list) return 0;

XFree(text_prop.value);

*winname = (char *)strdup(*list);

XFreeStringList(list);

return 1;

}

13.1.9 Getting Icon Names

Window managers need to get not only window titles but also icon names.

TWM used

XGetWindowProperty()

with

XA_STRING

to get icon names. However, interna 

tionalized function

XGetWMIconName()

is available for this purpose and I rewrote using this

function. Just like

XGetWMName()

, I wrote a wrapper.