static int
fontset_measure (Lisp_Font *f, char *string, size_t length)
{
#ifdef X_HAVE_UTF8_STRING
return Xutf8TextEscapement (f->font, string, length);
#else
return XmbTextEscapement (f->font, string, length);
#endif
}
int main_loop(Display *dpy, XFontSet font, GC pen, int width, int height,
char *text){
int text_width;
int textx, texty;
XEvent ev;
int font_ascent;
XFontStruct **fonts;
char **font_names;
int nfonts;
int j;
printf("%s:%d\n", text, strlen(text));
text_width = Xutf8TextEscapement(font, text, strlen(text));
font_ascent = 0;
nfonts = XFontsOfFontSet(font, &fonts, &font_names);
for(j = 0; j < nfonts; j += 1){
if (font_ascent < fonts[j]->ascent) font_ascent = fonts[j]->ascent;
printf("Font: %s\n", font_names[j]);
}
/* as each event that we asked about occurs, we respond. */
while(1){
XNextEvent(dpy, &ev);
switch(ev.type){
case Expose:
if (ev.xexpose.count > 0) break;
XDrawLine(dpy, ev.xany.window, pen, 0, 0, width/2-text_width/2, height/2);
XDrawLine(dpy, ev.xany.window, pen, width, 0, width/2+text_width/2, height/2);
XDrawLine(dpy, ev.xany.window, pen, 0, height, width/2-text_width/2, height/2);
XDrawLine(dpy, ev.xany.window, pen, width, height, width/2+text_width/2, height/2);
textx = (width - text_width)/2;
texty = (height + font_ascent)/2;
Xutf8DrawString(dpy, ev.xany.window, font, pen, textx, texty, text, strlen(text));
break;
case ConfigureNotify:
if (width != ev.xconfigure.width
|| height != ev.xconfigure.height) {
width = ev.xconfigure.width;
height = ev.xconfigure.height;
XClearWindow(dpy, ev.xany.window);
}
break;
case ButtonRelease:
XCloseDisplay(dpy);
return 0;
}
}
}
