Exemple #1
0
int
xterm_Double_index(unsigned chrset, unsigned flags)
{
    int n;
    TScreen *screen = &term->screen;
    XTermFonts *data = screen->double_fonts;

    flags &= BOLD;
    TRACE(("xterm_Double_index chrset=%#x, flags=%#x\n", chrset, flags));

    for (n = 0; n < screen->fonts_used; n++) {
	if (data[n].chrset == chrset
	    && data[n].flags == flags) {
	    if (n != 0) {
		XTermFonts save;
		TRACE(("...xterm_Double_index -> %d (OLD:%d)\n", n, screen->fonts_used));
		save = data[n];
		while (n > 0) {
		    data[n] = data[n - 1];
		    n--;
		}
		data[n] = save;
	    }
	    return n;
	}
    }

    /* Not, found, push back existing fonts and create a new entry */
    if (screen->fonts_used >= screen->cache_doublesize) {
	TRACE(("...xterm_Double_index: discard oldest\n"));
	discard_font(screen, &(data[screen->fonts_used - 1]));
    } else {
	screen->fonts_used += 1;
    }
    for (n = screen->fonts_used; n > 0; n--)
	data[n] = data[n - 1];

    TRACE(("...xterm_Double_index -> (NEW:%d)\n", screen->fonts_used));

    data[0].chrset = chrset;
    data[0].flags = flags;
    data[0].fn = 0;
    data[0].fs = 0;
    data[0].gc = 0;
    return 0;
}
Exemple #2
0
/*
 * Lookup/cache a GC for the double-size character display.  We save up to
 * NUM_CHRSET values.
 */
GC
xterm_DoubleGC(unsigned chrset, unsigned flags, GC old_gc)
{
    XGCValues gcv;
    register TScreen *screen = &term->screen;
    unsigned long mask = (GCForeground | GCBackground | GCFont);
    int n;
    char *name;
    XTermFonts *data;

    if ((name = xtermSpecialFont(flags, chrset)) == 0)
	return 0;

    n = xterm_Double_index(chrset, flags);
    data = &(screen->double_fonts[n]);
    if (data->fn != 0) {
	if (!strcmp(data->fn, name)) {
	    if (data->fs != 0) {
		XCopyGC(screen->display, old_gc, ~GCFont, data->gc);
		return data->gc;
	    }
	}
	discard_font(screen, data);
	data->chrset = chrset;
	data->flags = flags & BOLD;
    }
    data->fn = name;

    TRACE(("xterm_DoubleGC %s %d: %s\n", flags & BOLD ? "BOLD" : "NORM", n, name));

    if ((data->fs = XLoadQueryFont(screen->display, name)) == 0)
	return 0;
    TRACE(("-> OK\n"));

    gcv.graphics_exposures = TRUE;	/* default */
    gcv.font = data->fs->fid;
    gcv.foreground = screen->foreground;
    gcv.background = term->core.background_pixel;

    data->gc = XCreateGC(screen->display, VWindow(screen), mask, &gcv);
    XCopyGC(screen->display, old_gc, ~GCFont, data->gc);
    return data->gc;
}
Exemple #3
0
/* push back existing fonts and create a new entry */
static XTermFonts *
pushback_font(XtermWidget xw, XTermFonts * source)
{
    TScreen *screen = TScreenOf(xw);
    XTermFonts *data = screen->double_fonts;
    int n;

    if (screen->fonts_used >= screen->cache_doublesize) {
	TRACE(("pushback_font: discard oldest\n"));
	discard_font(xw, screen->fonts_used - 1);
    } else {
	screen->fonts_used += 1;
    }

    for (n = screen->fonts_used; n > 0; n--)
	data[n] = data[n - 1];
    data[0] = *source;

    TRACE(("pushback_font -> (NEW:%d)\n", screen->fonts_used));

    return data;
}
Exemple #4
0
/*
 * Lookup/cache a GC for the double-size character display.  We save up to
 * NUM_CHRSET values.
 */
GC
xterm_DoubleGC(XtermWidget xw,
	       unsigned chrset,
	       unsigned attr_flags,
	       unsigned draw_flags,
	       GC old_gc,
	       int *inxp)
{
    TScreen *screen = TScreenOf(xw);
    VTwin *cgsWin = WhichVWin(screen);
    char *name;
    GC result = 0;

    if ((name = xtermSpecialFont(screen, attr_flags, draw_flags, chrset)) != 0) {
	CgsEnum cgsId = WhichCgsId(attr_flags);
	Boolean found = False;
	XTermFonts *data = 0;
	int n;

	if ((n = xterm_Double_index(xw, chrset, attr_flags)) >= 0) {
	    data = &(screen->double_fonts[n]);
	    if (data->fn != 0) {
		if (!strcmp(data->fn, name)
		    && data->fs != 0) {
		    found = True;
		    free(name);
		} else {
		    discard_font(xw, n);
		}
	    }
	}

	if (!found) {
	    XTermFonts temp;

	    TRACE(("xterm_DoubleGC %s %d: %s\n",
		   (attr_flags & BOLD) ? "BOLD" : "NORM", n, name));

	    memset(&temp, 0, sizeof(temp));
	    temp.fn = name;
	    temp.chrset = chrset;
	    temp.flags = (attr_flags & BOLD);

	    if (!xtermOpenFont(xw, name, &temp, fwAlways, False)) {
		/* Retry with * in resolutions */
		char *nname = xtermSpecialFont(screen,
					       attr_flags,
					       draw_flags | NORESOLUTION,
					       chrset);

		if (nname != 0) {
		    found = (Boolean) xtermOpenFont(xw, nname, &temp,
						    fwAlways, False);
		    free(nname);
		}
	    } else {
		found = True;
	    }
	    free(name);

	    if (found) {
		n = 0;
		data = pushback_font(xw, &temp);
	    }

	    TRACE(("-> %s\n", found ? "OK" : "FAIL"));
	}

	if (found) {
	    setCgsCSet(xw, cgsWin, cgsId, chrset);
	    setCgsFont(xw, cgsWin, cgsId, data);
	    setCgsFore(xw, cgsWin, cgsId, getCgsFore(xw, cgsWin, old_gc));
	    setCgsBack(xw, cgsWin, cgsId, getCgsBack(xw, cgsWin, old_gc));
	    result = getCgsGC(xw, cgsWin, cgsId);
	    *inxp = n;
	} else if (attr_flags & BOLD) {
	    UIntClr(attr_flags, BOLD);
	    result = xterm_DoubleGC(xw, chrset,
				    attr_flags,
				    draw_flags,
				    old_gc, inxp);
	}
    }

    return result;
}