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(Qdrag_n_drop, drag_n_drop_syms, lispy_drag_n_drop_names): New variables.

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(make_lispy_event): Handle drag_n_drop events.
(syms_of_keyboard): Initialize new symbols.
This commit is contained in:
Richard M. Stallman 1998-05-01 04:51:51 +00:00
parent 1e9582d459
commit a24dc617a8
1 changed files with 87 additions and 0 deletions
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87
src/keyboard.c
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@ -451,6 +451,7 @@ Lisp_Object Qmouse_click;
#ifdef WINDOWSNT
Lisp_Object Qmouse_wheel;
#endif
Lisp_Object Qdrag_n_drop;
/* Lisp_Object Qmouse_movement; - also an event header */
/* Properties of event headers. */
@ -3291,6 +3292,7 @@ static Lisp_Object mouse_syms;
#ifdef WINDOWSNT
static Lisp_Object mouse_wheel_syms;
#endif
static Lisp_Object drag_n_drop_syms;
/* This is a list of keysym codes for special "accent" characters.
It parallels lispy_accent_keys. */
@ -3722,8 +3724,16 @@ static char *lispy_mouse_wheel_names[] =
{
"mouse-wheel"
};
#endif /* WINDOWSNT */
/* drag-n-drop events are generated when a set of selected files are
dragged from another application and dropped onto an Emacs window. */
static char *lispy_drag_n_drop_names[] =
{
"drag-n-drop"
};
/* Scroll bar parts. */
Lisp_Object Qabove_handle, Qhandle, Qbelow_handle;
Lisp_Object Qup, Qdown;
@ -4216,6 +4226,78 @@ make_lispy_event (event)
}
}
#endif /* WINDOWSNT */
case drag_n_drop:
{
int part;
FRAME_PTR f;
Lisp_Object window;
Lisp_Object posn;
Lisp_Object head, position;
Lisp_Object files;
int row, column;
/* The frame_or_window field should be a cons of the frame in
which the event occurred and a list of the filenames
dropped. */
if (! CONSP (event->frame_or_window))
abort ();
f = XFRAME (XCONS (event->frame_or_window)->car);
files = XCONS (event->frame_or_window)->cdr;
/* Ignore mouse events that were made on frames 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 = XCONS (event->frame_or_window)->car;
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,
Qdrag_n_drop, Qnil,
lispy_drag_n_drop_names,
&drag_n_drop_syms, 1);
return Fcons (head,
Fcons (position,
Fcons (files,
Qnil)));
}
}
#endif /* HAVE_MOUSE */
#if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI)
@ -8553,6 +8635,8 @@ syms_of_keyboard ()
Qmouse_wheel = intern ("mouse-wheel");
staticpro (&Qmouse_wheel);
#endif
Qdrag_n_drop = intern ("drag-n-drop");
staticpro (&Qdrag_n_drop);
Qmenu_enable = intern ("menu-enable");
staticpro (&Qmenu_enable);
@ -8666,6 +8750,9 @@ syms_of_keyboard ()
#ifdef WINDOWSNT
mouse_wheel_syms = Qnil;
staticpro (&mouse_wheel_syms);
drag_n_drop_syms = Qnil;
staticpro (&drag_n_drop_syms);
#endif
unread_switch_frame = Qnil;