iconmanager.c

具有IDE功能的编辑器

	    CSendEvent (xevent);
	    XLowerWindow (CDisplay, win);
	} else if (cwevent->double_click) {
	    execute_icon_double_click (cwevent, ic);
	}
	break;
#ifdef HAVE_DND
    case ClientMessage:{
	    int xs, ys, data_type;
	    unsigned char *data;
	    unsigned long size;
	    data_type = CGetDrop (xevent, &data, &size, &xs, &ys);
	    if (data_type == DndNotDnd)
		return 0;
	    execute_icon_drop (cwevent, ic, (char *) data, size, data_type);
	    if (data)
		free (data);
	    return 1;
	}
	return 0;
#else
#if 0
    case ClientMessage:{
	    int xs, ys, data_type;
	    Atom action, type;
	    unsigned char *data;
	    unsigned long size;
	    action = xdnd_get_drop (CDisplay, xevent, 0, 0, &data, &size, &type, &x, &y);

	    data_type = CGetDrop (xevent, &data, &size, &xs, &ys);
	    if (data_type == DndNotDnd)
		return 0;
	    execute_icon_drop (cwevent, ic, (char *) data, size, data_type);
	    if (data)
		free (data);
	    return 1;
	}
	return 0;
#endif
#endif
    }
    return 0;
}

/* main window only recieves drops, so... */
static struct mouse_funcs icon_mouse_funcs =
{
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    (int (*)(void *, Window, unsigned char *, int, int, int, Atom, Atom)) handle_drop,
    0,
    DndUnknown,		/* no preference, rather use mime_major below */
    0
};

CWidget *CDrawPowerIcon (CPowerIcon * p)
{
    static int n = 0;
    char *f;
    CWidget *w;
    n++;
    if (p->y + FONT_PIX_PER_LINE > HeightOfScreen (DefaultScreenOfDisplay (CDisplay)))
	p->y = HeightOfScreen (DefaultScreenOfDisplay (CDisplay)) - FONT_PIX_PER_LINE;
    if (p->x + 20 > WidthOfScreen (DefaultScreenOfDisplay (CDisplay)))
	p->x = WidthOfScreen (DefaultScreenOfDisplay (CDisplay)) - 20;
    if (*p->xpm_filename != '/')
	f = catstrs (LIBDIR, "/", p->xpm_filename, 0);
    else
	f = p->xpm_filename;
    w = CDrawIcon (catstrs ("_icon", itoa (n), 0), CRoot, p->x, p->y, f, p->title);
    w->funcs = mouse_funcs_new (w, &icon_mouse_funcs);
    w->funcs->mime_majors = p->mime_majors;
    xdnd_set_dnd_aware (CDndClass, w->winid, 0);
    if (!w)
	return 0;
    if (*p->tool_hint)
/* Toolhint */
	CSetToolHint (catstrs ("_icon", itoa (n), 0), p->tool_hint);
    w->user = CMalloc (sizeof (CPowerIcon));
    memcpy (w->user, p, sizeof (CPowerIcon));
    w->destroy = destroy_power_icon;
    w->callback = icon_callback;
    if (!strcmp (p->double_click_script, "<icon manager>")) {
	w->droppedmenu = CDrawMenuButton (catstrs ("_icon", itoa (n), ".menu", 0), w->winid, CRoot, 0, w->height, AUTO_WIDTH, 1, 9,
					_ (" Dummy "),
					_ ("Help..."), 0, (void (*)(unsigned long)) icon_help, 0,
					_ ("New icon..."), 0, new_dialog, (unsigned long) w,
					_ ("Auto arrange"), 0, arrange_icons, 0,
					_ ("Change directory..."), 0, edit_change_directory, 0,
					_ ("Save icons"), 0, save_icons, 0,
					_ ("Config file..."), 0, change_config_file, (unsigned long) w,
					_ ("Raise icons"), 0, raise_lower_all, 1,
					_ ("Lower icons"), 0, raise_lower_all, 0,
					_ ("Kill Coolicons..."), 0, close_all, (unsigned long) w
	    );
    } else {
	w->droppedmenu = CDrawMenuButton (catstrs ("_icon", itoa (n), ".menu", 0), w->winid, CRoot, 0, w->height, AUTO_WIDTH, 1, 7,
					_ (" Dummy "),
					_ ("Edit icon..."), 0, (void (*)(unsigned long)) edit_icon, (unsigned long) w,
					_ ("Execute icon"), 0, execute_icon, (unsigned long) w,
					_ ("Copy icon"), 0, copy_icon, (unsigned long) w,
					_ ("Delete icon"), 0, delete_icon, (unsigned long) w,
					_ ("New icon..."), 0, new_dialog, (unsigned long) w,
					_ ("Auto arrange"), 0, arrange_icons, 0,
					_ ("Save icons"), 0, save_icons, 0
	    );
    }
    w->droppedmenu->options &= ~MENU_AUTO_PULL_UP;
    return w;
}

void strnlcpy (unsigned char *s, unsigned char *t)
{
    for (;;) {
	*s = (*t == '\n') ? 129 : *t;
	if (!*t)
	    break;
	s++;
	t++;
    }
}

void memlncpy (unsigned char *s, unsigned char *t, int l)
{
    while (l--) {
	*s = (*t == 129) ? '\n' : *t;
	s++;
	t++;
    }
}

void convert_commalist_to_array (char *mime_majors, char ***a)
{
    char **h, *p, *q;
    int i, done = 0;
    for (i = 0, p = q = mime_majors; (p = strchr (q, ',')); q = ++p, i++);
    h = *a = CMalloc ((i + 2) * sizeof (char *));
    for (p = q = mime_majors; !done; q = p) {
	while (!strchr (", \t", *p) && *p)
	    p++;
	if (*p)
	    *p++ = '\0';
	else
	    done = 1;
	if (*q) {
	    *h = (char *) strdup (q);
	    h++;
	}
	while (strchr (", \t", *p) && *p)
	    p++;
    }
    *h = 0;
}

void convert_array_to_commalist (char **a, char **mime_majors)
{
    if (!a) {
	*mime_majors = (char *) strdup ("");
    } else {
	int i, l;
	for (l = i = 0; a[i]; i++)
	    l += strlen (a[i]) + 2;
	*mime_majors = CMalloc (l + 1);
	**mime_majors = '\0';
	for (i = 0; a[i]; i++) {
	    strcat (*mime_majors, a[i]);
	    if (a[i + 1])
		strcat (*mime_majors, ", ");
	}
    }
}

char *gather_icon_options_for_config (void)
{
    char *t, *p, *q;
    int i = 0, size = 0, n;
    while (last_widget > i++)
	if (CIndex (i) != NULL)
	    if ((CIndex (i))->kind == C_ICON_WIDGET && (CIndex (i))->user) {
		CPowerIcon *icon;
		icon = (CPowerIcon *) (CIndex (i))->user;
		size += strlen (icon->title);
		size += strlen (icon->xpm_filename);
		size += strlen (icon->prompt);
		size += strlen (icon->confirm);
		size += strlen (icon->drop_script);
		size += strlen (icon->double_click_script);
		size += strlen (icon->tool_hint);
		if (icon->mime_majors)
		    for (n = 0; icon->mime_majors[n]; n++)
			size += strlen (icon->mime_majors[n]) + 2;
		size += 256;
	    }
    p = t = CMalloc (size);
    i = 0;
    while (last_widget > i++)
	if (CIndex (i) != NULL)
	    if ((CIndex (i))->kind == C_ICON_WIDGET && (CIndex (i))->user) {
		CPowerIcon *icon;
		icon = (CPowerIcon *) (CIndex (i))->user;
		strcpy (p, "title = ");
		p += strlen (p);
		strnlcpy ((unsigned char *) p, (unsigned char *) icon->title);
		strcat (p, "\nxpm_filename = ");
		strcat (p, icon->xpm_filename);
		strcat (p, "\nx = ");
		strcat (p, itoa ((CIndex (i))->x));
		strcat (p, "\ny = ");
		strcat (p, itoa ((CIndex (i))->y));
		strcat (p, "\nprompt = ");
		p += strlen (p);
		strnlcpy ((unsigned char *) p, (unsigned char *) icon->prompt);
		strcat (p, "\nconfirm = ");
		p += strlen (p);
		strnlcpy ((unsigned char *) p, (unsigned char *) icon->confirm);
		strcat (p, "\noptions = ");
		strcat (p, itoa (icon->options));
		strcat (p, "\ndrop_script = ");
		p += strlen (p);
		strnlcpy ((unsigned char *) p, (unsigned char *) icon->drop_script);
		strcat (p, "\ndouble_click_script = ");
		p += strlen (p);
		strnlcpy ((unsigned char *) p, (unsigned char *) icon->double_click_script);
		strcat (p, "\ntool_hint = ");
		strcat (p, icon->tool_hint);
		strcat (p, "\nmime_majors = ");
		convert_array_to_commalist (icon->mime_majors, &q);
		strcat (p, q);
		free (q);
		strcat (p, "\n\n");
		p += strlen (p);
	    }
    *p = '\0';
    return t;
}

static char *advance_equate (char *p, char *g, int *l)
{
    char *q;
    while (strchr ("\n\t ", *p))
	p++;
    if (strncmp (p, g, strlen (g)))
	return 0;
    p += strlen (g);
    q = strchr (p, '\n');
    if (!q)
	return 0;
    *l = (unsigned long) q - (unsigned long) p;
    return p;
}

/* returns 1 on error */
static int read_string (char **p, char *g, char **s)
{
    char *q;
    int l;
    q = advance_equate (*p, g, &l);
    if (!q)
	return 1;
    *s = CMalloc (l + 1);
    memlncpy ((unsigned char *) *s, (unsigned char *) q, l);
    (*s)[l] = '\0';
    *p = q + l + 1;
    return 0;
}

/* returns 1 on error */
static int read_int (char **p, char *g, int *i)
{
    char *q;
    int l;
    q = advance_equate (*p, g, &l);
    if (!q)
	return 1;
    *i = atoi (q);
    *p = q + l + 1;
    return 0;
}

/* returns 1 on error */
int draw_icons_from_config (char *t)
{
    char *p, *mime_majors;
    int n = 0;
    p = t;
    for (;;) {
	CPowerIcon icon;
	memset (&icon, 0, sizeof (CPowerIcon));
	n++;
	p = strstr (p, "title = ");
	if (!p)
	    break;
	if (read_string (&p, "title = ", &icon.title))
	    goto icon_error;
	if (read_string (&p, "xpm_filename = ", &icon.xpm_filename))
	    goto icon_error;
	if (read_int (&p, "x = ", &icon.x))
	    goto icon_error;
	if (read_int (&p, "y = ", &icon.y))
	    goto icon_error;
	if (read_string (&p, "prompt = ", &icon.prompt))
	    goto icon_error;
	if (read_string (&p, "confirm = ", &icon.confirm))
	    goto icon_error;
	if (read_int (&p, "options = ", &icon.options))
	    goto icon_error;
	if (read_string (&p, "drop_script = ", &icon.drop_script))
	    goto icon_error;
	if (read_string (&p, "double_click_script = ", &icon.double_click_script))
	    goto icon_error;
	if (read_string (&p, "tool_hint = ", &icon.tool_hint))
	    goto icon_error;
	if (read_string (&p, "mime_majors = ", &mime_majors)) {
	    icon.mime_majors = 0;
	} else {
	    convert_commalist_to_array (mime_majors, &icon.mime_majors);
	    free (mime_majors);
	}
	if (*p != '\n')
	    break;
	CDrawPowerIcon (&icon);
	p++;
    }
    return 0;
  icon_error:
    CErrorDialog (CRoot, 20, 20, _ (" Reading Config "), _ (" Error interpreting icon %d from config, \n not bothering to read further "), n);
    return 1;
}