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(show_help_echo): Add parameter WINDOW.

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(read_char): Call show_help_echo with window extracted from Lisp
help event.
(gen_help_event): Add parameter WINDOW.
This commit is contained in:
Gerd Moellmann 2000-07-18 18:20:04 +00:00
parent ba461919d0
commit 2190735a33
1 changed files with 26 additions and 20 deletions
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46
src/keyboard.c
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@ -1907,6 +1907,9 @@ make_ctrl_char (c)
arguments; the function should return a help string or nil for
none. For all other types of HELP evaluate it to obtain a string.
WINDOW is the window in which the help was generated, if any.
It is nil if not in a window.
OBJECT is the object where a `help-echo' property was found; POS
is the position within OBJECT where it was found. OBJECT is nil
if HELP isn't from a `help-echo' text property.
@ -1919,19 +1922,20 @@ make_ctrl_char (c)
from X code running asynchronously. */
void
show_help_echo (help, object, pos, ok_to_overwrite_keystroke_echo)
Lisp_Object help, object, pos;
show_help_echo (help, window, object, pos, ok_to_overwrite_keystroke_echo)
Lisp_Object help, window, object, pos;
int ok_to_overwrite_keystroke_echo;
{
if (!NILP (help) && !STRINGP (help))
{
if (FUNCTIONP (help))
{
Lisp_Object args[3];
Lisp_Object args[4];
args[0] = help;
args[1] = object;
args[2] = pos;
help = call_function (3, args);
args[1] = window;
args[2] = object;
args[3] = pos;
help = call_function (4, args);
}
else
help = eval_form (help);
@ -2710,12 +2714,13 @@ read_char (commandflag, nmaps, maps, prev_event, used_mouse_menu)
/* Display help if not echoing. */
if (CONSP (c) && EQ (XCAR (c), Qhelp_echo))
{
/* (help-echo FRAME HELP OBJECT POS). */
Lisp_Object help, object, position;
/* (help-echo FRAME HELP WINDOW OBJECT POS). */
Lisp_Object help, object, position, window;
help = Fnth (make_number (2), c);
object = Fnth (make_number (3), c);
position = Fnth (make_number (4), c);
show_help_echo (help, object, position, 0);
window = Fnth (make_number (3), c);
object = Fnth (make_number (4), c);
position = Fnth (make_number (5), c);
show_help_echo (help, window, object, position, 0);
goto retry;
}
@ -3174,9 +3179,9 @@ kbd_buffer_store_event (event)
Value is the number of input_events generated. */
int
gen_help_event (bufp, help, frame, object, pos)
gen_help_event (bufp, help, frame, window, object, pos)
struct input_event *bufp;
Lisp_Object help, frame, object;
Lisp_Object help, frame, object, window;
int pos;
{
bufp->kind = HELP_EVENT;
@ -3187,10 +3192,10 @@ gen_help_event (bufp, help, frame, object, pos)
++bufp;
bufp->kind = HELP_EVENT;
bufp->frame_or_window = frame;
bufp->frame_or_window = WINDOWP (window) ? window : frame;
bufp->arg = help;
bufp->code = 1;
return 2;
}
@ -3440,7 +3445,7 @@ kbd_buffer_get_event (kbp, used_mouse_menu)
{
/* There are always two consecutive HELP_EVENTs in the
input queue. */
Lisp_Object object, position, help, frame;
Lisp_Object object, position, help, frame, window;
xassert (event->code == 0);
frame = event->frame_or_window;
@ -3448,10 +3453,11 @@ kbd_buffer_get_event (kbp, used_mouse_menu)
position = event->x;
xassert ((event + 1)->code == 1);
help = (event + 1)->arg;
/* Event->frame_or_window is a frame, event->arg is the
help to display. */
obj = list5 (Qhelp_echo, frame, help, object, position);
window = (event + 1)->frame_or_window;
if (!WINDOWP (window))
window = Qnil;
obj = Fcons (Qhelp_echo,
list5 (frame, help, window, object, position));
kbd_fetch_ptr = event + 2;
}
else if (event->kind == FOCUS_IN_EVENT)