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(kbd_buffer_get_event) [WINDOWSNT]: Support

Browse source 
menu_bar_activate_event.
(set-input-mode) [DOS_NT]: Do not invoke reset and init sys modes.
(Qmouse_wheel) [WINDOWSNT]: New variable.
(discard_mouse_events): New function.
(mouse_wheel_syms) [WINDOWSNT]: New variable.
(lispy_mouse_wheel_names) [WINDOWSNT]: New variable.
(make_lispy_event) [WINDOWSNT]: Make mouse-wheel events.
(syms_of_keyboard) [WINDOWSNT]: Define Qmouse_wheel and
mouse_wheel_syms.
This commit is contained in:
Geoff Voelker 1997-09-03 00:31:17 +00:00
parent 0969b893b0
commit 07de30b9de
1 changed files with 117 additions and 4 deletions
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121
src/keyboard.c
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@ -444,6 +444,9 @@ Lisp_Object Qmake_frame_visible;
/* Symbols to denote kinds of events. */
Lisp_Object Qfunction_key;
Lisp_Object Qmouse_click;
#ifdef WINDOWSNT
Lisp_Object Qmouse_wheel;
#endif
/* Lisp_Object Qmouse_movement; - also an event header */
/* Properties of event headers. */
@ -2629,6 +2632,28 @@ kbd_buffer_store_event (event)
}
}
/* Discard any mouse events in the event buffer by setting them to
no_event. */
void
discard_mouse_events ()
{
struct input_event *sp;
for (sp = kbd_fetch_ptr; sp != kbd_store_ptr; sp++)
{
if (sp == kbd_buffer + KBD_BUFFER_SIZE)
sp = kbd_buffer;
if (sp->kind == mouse_click
#ifdef WINDOWSNT
|| sp->kind == w32_scroll_bar_click
#endif
|| sp->kind == scroll_bar_click)
{
sp->kind = no_event;
}
}
}
/* Read one event from the event buffer, waiting if necessary.
The value is a Lisp object representing the event.
The value is nil for an event that should be ignored,
@ -2795,7 +2820,7 @@ kbd_buffer_get_event (kbp, used_mouse_menu)
XSETBUFFER (obj, current_buffer);
kbd_fetch_ptr = event + 1;
}
#ifdef USE_X_TOOLKIT
#if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI)
else if (event->kind == menu_bar_activate_event)
{
kbd_fetch_ptr = event + 1;
@ -2810,6 +2835,8 @@ kbd_buffer_get_event (kbp, used_mouse_menu)
(They shouldn't otherwise be found in the buffer,
but on some machines it appears they do show up
even without MULTI_KBOARD.) */
/* On Windows NT/9X, no_event is used to delete extraneous
mouse events during a popup-menu call. */
else if (event->kind == no_event)
kbd_fetch_ptr = event + 1;
@ -3220,6 +3247,9 @@ timer_check (do_it_now)
static Lisp_Object accent_key_syms;
static Lisp_Object func_key_syms;
static Lisp_Object mouse_syms;
#ifdef WINDOWSNT
static Lisp_Object mouse_wheel_syms;
#endif
/* This is a list of keysym codes for special "accent" characters.
It parallels lispy_accent_keys. */
@ -3639,6 +3669,20 @@ static char *lispy_mouse_names[] =
"mouse-1", "mouse-2", "mouse-3", "mouse-4", "mouse-5"
};
#ifdef WINDOWSNT
/* mouse-wheel events are generated by the wheel on devices such as
the MS Intellimouse. The wheel sits in between the left and right
mouse buttons, and is typically used to scroll or zoom the window
underneath the pointer. mouse-wheel events specify the object on
which they operate, and a delta corresponding to the amount and
direction that the wheel is rotated. Clicking the mouse-wheel
generates a mouse-2 event. */
static char *lispy_mouse_wheel_names[] =
{
"mouse-wheel"
};
#endif /* WINDOWSNT */
/* Scroll bar parts. */
Lisp_Object Qabove_handle, Qhandle, Qbelow_handle;
Lisp_Object Qup, Qdown;
@ -4069,8 +4113,68 @@ make_lispy_event (event)
Qnil));
}
}
#endif
case mouse_wheel:
{
int part;
FRAME_PTR f = XFRAME (event->frame_or_window);
Lisp_Object window;
Lisp_Object posn;
Lisp_Object head, position;
int row, column;
/* Ignore mouse events that were made on frame that
have been deleted. */
if (! FRAME_LIVE_P (f))
return Qnil;
pixel_to_glyph_coords (f, XINT (event->x), XINT (event->y),
&column, &row, NULL, 1);
window = window_from_coordinates (f, column, row, &part);
if (!WINDOWP (window))
{
window = event->frame_or_window;
posn = Qnil;
}
else
{
int pixcolumn, pixrow;
column -= XINT (XWINDOW (window)->left);
row -= XINT (XWINDOW (window)->top);
glyph_to_pixel_coords (f, column, row, &pixcolumn, &pixrow);
XSETINT (event->x, pixcolumn);
XSETINT (event->y, pixrow);
if (part == 1)
posn = Qmode_line;
else if (part == 2)
posn = Qvertical_line;
else
XSETINT (posn,
buffer_posn_from_coords (XWINDOW (window),
column, row));
}
{
Lisp_Object head, position;
position
= Fcons (window,
Fcons (posn,
Fcons (Fcons (event->x, event->y),
Fcons (make_number (event->timestamp),
Qnil))));
head = modify_event_symbol (0, event->modifiers,
Qmouse_wheel, Qnil,
lispy_mouse_wheel_names,
&mouse_wheel_syms, 1);
return Fcons (head,
Fcons (position,
Fcons (make_number (event->code),
Qnil)));
}
}
#endif /* WINDOWSNT */
#endif /* HAVE_MOUSE */
#if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI)
@ -7704,7 +7808,7 @@ See also `current-input-mode'.")
stop_polling ();
#endif
#ifndef MSDOS
#ifndef DOS_NT
/* this causes startup screen to be restored and messes with the mouse */
reset_sys_modes ();
#endif
@ -7743,7 +7847,7 @@ See also `current-input-mode'.")
/* Don't let this value be out of range. */
quit_char = XINT (quit) & (meta_key ? 0377 : 0177);
#ifndef MSDOS
#ifndef DOS_NT
init_sys_modes ();
#endif
@ -7970,6 +8074,10 @@ syms_of_keyboard ()
staticpro (&Qfunction_key);
Qmouse_click = intern ("mouse-click");
staticpro (&Qmouse_click);
#ifdef WINDOWSNT
Qmouse_wheel = intern ("mouse-wheel");
staticpro (&Qmouse_wheel);
#endif
Qmenu_enable = intern ("menu-enable");
staticpro (&Qmenu_enable);
@ -8062,6 +8170,11 @@ syms_of_keyboard ()
mouse_syms = Qnil;
staticpro (&mouse_syms);
#ifdef WINDOWSNT
mouse_wheel_syms = Qnil;
staticpro (&mouse_wheel_syms);
#endif
unread_switch_frame = Qnil;
staticpro (&unread_switch_frame);