*/
+/* Xt features made by Fred Pierresteguy. */
+
#define NEW_SELECTIONS
/* On 4.3 these lose if they come after xterm.h. */
#include <stdio.h>
#include <signal.h>
-#include "config.h"
+#include <config.h>
+
+/* Need syssignal.h for various externs and definitions that may be required
+ by some configurations for calls to signal later in this source file. */
+#include "syssignal.h"
#ifdef HAVE_X_WINDOWS
#include "buffer.h"
#include "window.h"
+#ifdef USE_X_TOOLKIT
+extern XtAppContext Xt_app_con;
+extern Widget Xt_app_shell;
+extern void free_frame_menubar ();
+#endif /* USE_X_TOOLKIT */
+
+#ifndef USE_X_TOOLKIT
+#define x_any_window_to_frame x_window_to_frame
+#endif
+
#ifdef HAVE_X11
#define XMapWindow XMapRaised /* Raise them when mapping. */
#else /* ! defined (HAVE_X11) */
/*#include <X/Xproto.h> */
#endif /* ! defined (HAVE_X11) */
+#ifdef FD_SET
+/* We could get this from param.h, but better not to depend on finding that.
+ And better not to risk that it might define other symbols used in this
+ file. */
+#ifdef FD_SETSIZE
+#define MAXDESC FD_SETSIZE
+#else
+#define MAXDESC 64
+#endif
+#define SELECT_TYPE fd_set
+#else /* no FD_SET */
+#define MAXDESC 32
+#define SELECT_TYPE int
+
+/* Define the macros to access a single-int bitmap of descriptors. */
+#define FD_SET(n, p) (*(p) |= (1 << (n)))
+#define FD_CLR(n, p) (*(p) &= ~(1 << (n)))
+#define FD_ISSET(n, p) (*(p) & (1 << (n)))
+#define FD_ZERO(p) (*(p) = 0)
+#endif /* no FD_SET */
+
/* For sending Meta-characters. Do we need this? */
#define METABIT 0200
#define min(a,b) ((a)<(b) ? (a) : (b))
#define max(a,b) ((a)>(b) ? (a) : (b))
-
+\f
/* Nonzero means we must reprint all windows
because 1) we received an ExposeWindow event
or 2) we received too many ExposeRegion events to record.
static struct event_queue x_expose_queue;
-/* ButtonPressed and ButtonReleased events, when received,
+/* ButtonPress and ButtonReleased events, when received,
are copied into this queue for later processing. */
struct event_queue x_mouse_queue;
static int curs_x;
static int curs_y;
+/* Mouse movement.
+
+ In order to avoid asking for motion events and then throwing most
+ of them away or busy-polling the server for mouse positions, we ask
+ the server for pointer motion hints. This means that we get only
+ one event per group of mouse movements. "Groups" are delimited by
+ other kinds of events (focus changes and button clicks, for
+ example), or by XQueryPointer calls; when one of these happens, we
+ get another MotionNotify event the next time the mouse moves. This
+ is at least as efficient as getting motion events when mouse
+ tracking is on, and I suspect only negligibly worse when tracking
+ is off.
+
+ The silly O'Reilly & Associates Nutshell guides barely document
+ pointer motion hints at all (I think you have to infer how they
+ work from an example), and the description of XQueryPointer doesn't
+ mention that calling it causes you to get another motion hint from
+ the server, which is very important. */
+
+/* Where the mouse was last time we reported a mouse event. */
+static FRAME_PTR last_mouse_frame;
+static XRectangle last_mouse_glyph;
+
+/* The scroll bar in which the last X motion event occurred.
+
+ If the last X motion event occurred in a scroll bar, we set this
+ so XTmouse_position can know whether to report a scroll bar motion or
+ an ordinary motion.
+
+ If the last X motion event didn't occur in a scroll bar, we set this
+ to Qnil, to tell XTmouse_position to return an ordinary motion event. */
+static Lisp_Object last_mouse_scroll_bar;
+
+/* Record which buttons are currently pressed. */
+unsigned int x_mouse_grabbed;
+
+/* This is a hack. We would really prefer that XTmouse_position would
+ return the time associated with the position it returns, but there
+ doesn't seem to be any way to wrest the timestamp from the server
+ along with the position query. So, we just keep track of the time
+ of the last movement we received, and return that in hopes that
+ it's somewhat accurate. */
+static Time last_mouse_movement_time;
+
#ifdef HAVE_X11
/* `t' if a mouse button is depressed. */
extern FONT_TYPE *XOpenFont ();
static void flashback ();
+static void redraw_previous_char ();
+static unsigned int x_x_to_emacs_modifiers ();
#ifndef HAVE_X11
static void dumpqueue ();
of the frame being updated, so that the XT... functions do not
need to take a frame as argument. Most of the XT... functions
should never be called except during an update, the only exceptions
- being XTcursor_to, XTwrite_char and XTreassert_line_highlight. */
+ being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */
extern int mouse_track_top, mouse_track_left, mouse_track_width;
{
int mask;
- if (updating_frame == 0
- || updating_frame != f)
- abort ();
-
BLOCK_INPUT;
#ifndef HAVE_X11
dumpqueue ();
Since the display generation code is responsible for calling
compute_char_face and compute_glyph_face on everything it puts in
the display structure, we can assume that the face code on each
- glyph is a valid index into FRAME_FACES (f), and the one to which
- we can actually apply intern_face. */
+ glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one
+ to which we can actually apply intern_face.
+ Call this function with input blocked. */
#if 1
/* This is the multi-face code. */
int g = *gp;
GLYPH_FOLLOW_ALIASES (tbase, tlen, g);
- cf = GLYPH_FACE (g);
+ cf = FAST_GLYPH_FACE (g);
/* Find the run of consecutive glyphs with the same face-code.
Extract their character codes into BUF. */
{
g = *gp;
GLYPH_FOLLOW_ALIASES (tbase, tlen, g);
- if (GLYPH_FACE (g) != cf)
+ if (FAST_GLYPH_FACE (g) != cf)
break;
- *cp++ = GLYPH_CHAR (g);
+ *cp++ = FAST_GLYPH_CHAR (g);
--n;
++gp;
}
/* First look at the face of the text itself. */
if (cf != 0)
{
- /* The face codes on the glyphs must be valid indices into the
- frame's face table. */
- if (cf < 0 || cf >= FRAME_N_FACES (f))
- abort ();
+ /* It's possible for the display table to specify
+ a face code that is out of range. Use 0 in that case. */
+ if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f)
+ || FRAME_COMPUTED_FACES (f) [cf] == 0)
+ cf = 0;
if (cf == 1)
face = FRAME_MODE_LINE_FACE (f);
else
- face = intern_face (f, FRAME_FACES (f) [cf]);
+ face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]);
font = FACE_FONT (face);
gc = FACE_GC (face);
defaulted = 0;
unsigned long mask;
xgcv.background = f->display.x->cursor_pixel;
- xgcv.foreground = f->display.x->cursor_foreground_pixel;
+ if (face == FRAME_DEFAULT_FACE (f))
+ xgcv.foreground = f->display.x->cursor_foreground_pixel;
+ else
+ xgcv.foreground = face->foreground;
+ /* If the glyph would be invisible,
+ try a different foreground. */
+ if (xgcv.foreground == xgcv.background)
+ xgcv.foreground = face->background;
+ if (xgcv.foreground == xgcv.background)
+ xgcv.foreground = f->display.x->cursor_foreground_pixel;
+ if (xgcv.foreground == xgcv.background)
+ xgcv.foreground = face->foreground;
+ /* Make sure the cursor is distinct from text in this face. */
+ if (xgcv.background == face->background
+ && xgcv.foreground == face->foreground)
+ {
+ xgcv.background = face->foreground;
+ xgcv.foreground = face->background;
+ }
xgcv.font = face->font->fid;
xgcv.graphics_exposures = 0;
mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures;
CHAR_TO_PIXEL_ROW (f, curs_y),
FONT_WIDTH (f->display.x->font) * (first_unused - curs_x),
FONT_HEIGHT (f->display.x->font), False);
-
+#if 0
+ redraw_previous_char (f, curs_x, curs_y);
+#endif
#else /* ! defined (HAVE_X11) */
XPixSet (FRAME_X_WINDOW (f),
CHAR_TO_PIXEL_COL (f, curs_x),
UNBLOCK_INPUT;
}
+/* Erase the character (if any) at the position just before X, Y in frame F,
+ then redraw it and the character before it.
+ This is necessary when we erase starting at X,
+ in case the character after X overlaps into the one before X.
+ Call this function with input blocked. */
+
+static void
+redraw_previous_char (f, x, y)
+ FRAME_PTR f;
+ int x, y;
+{
+ /* Erase the character before the new ones, in case
+ what was here before overlaps it.
+ Reoutput that character, and the previous character
+ (in case the previous character overlaps it). */
+ if (x > 0)
+ {
+ int start_x = x - 2;
+ if (start_x < 0)
+ start_x = 0;
+ XClearArea (x_current_display, FRAME_X_WINDOW (f),
+ CHAR_TO_PIXEL_COL (f, x - 1),
+ CHAR_TO_PIXEL_ROW (f, y),
+ FONT_WIDTH (f->display.x->font),
+ FONT_HEIGHT (f->display.x->font), False);
+
+ dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x),
+ CHAR_TO_PIXEL_ROW (f, y),
+ &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x],
+ x - start_x, highlight);
+ }
+}
+
static
XTclear_frame ()
{
/* Invert the middle quarter of the frame for .15 sec. */
/* We use the select system call to do the waiting, so we have to make sure
- it's avaliable. If it isn't, we just won't do visual bells. */
+ it's available. If it isn't, we just won't do visual bells. */
#if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT)
/* Subtract the `struct timeval' values X and Y,
{
struct timeval wakeup, now;
- gettimeofday (&wakeup, (struct timezone *) 0);
+ EMACS_GET_TIME (wakeup);
/* Compute time to wait until, propagating carry from usecs. */
wakeup.tv_usec += 150000;
{
struct timeval timeout;
- gettimeofday (&timeout, (struct timezone *)0);
+ EMACS_GET_TIME (timeout);
/* In effect, timeout = wakeup - timeout.
Break if result would be negative. */
/* Make audible bell. */
#ifdef HAVE_X11
-#define XRINGBELL XBell(x_current_display, 0)
+#define XRINGBELL XBell (x_current_display, 0)
#else /* ! defined (HAVE_X11) */
-#define XRINGBELL XFeep(0);
+#define XRINGBELL XFeep (0);
#endif /* ! defined (HAVE_X11) */
XTring_bell ()
/* Output into a rectangle of an X-window (for frame F)
the characters in f->phys_lines that overlap that rectangle.
TOP and LEFT are the position of the upper left corner of the rectangle.
- ROWS and COLS are the size of the rectangle. */
+ ROWS and COLS are the size of the rectangle.
+ Call this function with input blocked. */
static void
dumprectangle (f, left, top, cols, rows)
frame_highlight (frame)
struct frame *frame;
{
- if (! EQ (Vx_no_window_manager, Qnil))
- XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame),
- frame->display.x->border_pixel);
+ /* We used to only do this if Vx_no_window_manager was non-nil, but
+ the ICCCM (section 4.1.6) says that the window's border pixmap
+ and border pixel are window attributes which are "private to the
+ client", so we can always change it to whatever we want. */
+ BLOCK_INPUT;
+ XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame),
+ frame->display.x->border_pixel);
+ UNBLOCK_INPUT;
x_display_cursor (frame, 1);
}
frame_unhighlight (frame)
struct frame *frame;
{
- if (! EQ (Vx_no_window_manager, Qnil))
- XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame),
- frame->display.x->border_tile);
+ /* We used to only do this if Vx_no_window_manager was non-nil, but
+ the ICCCM (section 4.1.6) says that the window's border pixmap
+ and border pixel are window attributes which are "private to the
+ client", so we can always change it to whatever we want. */
+ BLOCK_INPUT;
+ XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame),
+ frame->display.x->border_tile);
+ UNBLOCK_INPUT;
x_display_cursor (frame, 1);
}
#else /* ! defined (HAVE_X11) */
/* The focus has changed. Update the frames as necessary to reflect
the new situation. Note that we can't change the selected frame
here, because the lisp code we are interrupting might become confused.
- Each event gets marked with the frame in which it occured, so the
+ Each event gets marked with the frame in which it occurred, so the
lisp code can tell when the switch took place by examining the events. */
static void
}
}
\f
-/* Mouse clicks and mouse movement. Rah. */
-#ifdef HAVE_X11
-
-/* Given a pixel position (PIX_X, PIX_Y) on the frame F, return
- glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle
- that the glyph at X, Y occupies, if BOUNDS != 0. */
-static void
-pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds)
- FRAME_PTR f;
- register unsigned int pix_x, pix_y;
- register int *x, *y;
- XRectangle *bounds;
-{
- pix_x = PIXEL_TO_CHAR_COL (f, pix_x);
- pix_y = PIXEL_TO_CHAR_ROW (f, pix_y);
-
- if (bounds)
- {
- bounds->width = FONT_WIDTH (f->display.x->font);
- bounds->height = FONT_HEIGHT (f->display.x->font);
- bounds->x = CHAR_TO_PIXEL_COL (f, pix_x);
- bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y);
- }
-
- if (pix_x < 0) pix_x = 0;
- else if (pix_x > f->width) pix_x = f->width;
-
- if (pix_y < 0) pix_y = 0;
- else if (pix_y > f->height) pix_y = f->height;
-
- *x = pix_x;
- *y = pix_y;
-}
-
-/* Any buttons grabbed. */
-unsigned int x_mouse_grabbed;
+/* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */
/* Which modifier keys are on which modifier bits?
KeyCode code =
mods->modifiermap[(row * mods->max_keypermod) + col];
+ /* Zeroes are used for filler. Skip them. */
+ if (code == 0)
+ continue;
+
/* Are any of this keycode's keysyms a meta key? */
{
int code_col;
XFreeModifiermap (mods);
}
-
/* Convert between the modifier bits X uses and the modifier bits
Emacs uses. */
static unsigned int
| ((state & meta_modifier) ? x_meta_mod_mask : 0));
}
+/* Return true iff KEYSYM is a vendor-specific keysym that we should
+ return as a function key. If you add a keysym to this, you should
+ make sure that the tables make_lispy_event uses contain a suitable
+ name for it. */
+static int
+x_is_vendor_fkey (sym)
+ KeySym sym;
+{
+ return 0
+#ifdef DXK_Remove
+ || (sym == DXK_Remove)
+#endif
+ ;
+}
+
+\f
+/* Mouse clicks and mouse movement. Rah. */
+#ifdef HAVE_X11
+
+/* Given a pixel position (PIX_X, PIX_Y) on the frame F, return
+ glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle
+ that the glyph at X, Y occupies, if BOUNDS != 0.
+ If NOCLIP is nonzero, do not force the value into range. */
+
+void
+pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip)
+ FRAME_PTR f;
+ register int pix_x, pix_y;
+ register int *x, *y;
+ XRectangle *bounds;
+ int noclip;
+{
+ /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down
+ even for negative values. */
+ if (pix_x < 0)
+ pix_x -= FONT_WIDTH ((f)->display.x->font) - 1;
+ if (pix_y < 0)
+ pix_y -= FONT_HEIGHT ((f)->display.x->font) - 1;
+
+ pix_x = PIXEL_TO_CHAR_COL (f, pix_x);
+ pix_y = PIXEL_TO_CHAR_ROW (f, pix_y);
+
+ if (bounds)
+ {
+ bounds->width = FONT_WIDTH (f->display.x->font);
+ bounds->height = FONT_HEIGHT (f->display.x->font);
+ bounds->x = CHAR_TO_PIXEL_COL (f, pix_x);
+ bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y);
+ }
+
+ if (!noclip)
+ {
+ if (pix_x < 0)
+ pix_x = 0;
+ else if (pix_x > f->width)
+ pix_x = f->width;
+
+ if (pix_y < 0)
+ pix_y = 0;
+ else if (pix_y > f->height)
+ pix_y = f->height;
+ }
+
+ *x = pix_x;
+ *y = pix_y;
+}
+
+void
+glyph_to_pixel_coords (f, x, y, pix_x, pix_y)
+ FRAME_PTR f;
+ register int x, y;
+ register int *pix_x, *pix_y;
+{
+ *pix_x = CHAR_TO_PIXEL_COL (f, x);
+ *pix_y = CHAR_TO_PIXEL_ROW (f, y);
+}
+
/* Prepare a mouse-event in *RESULT for placement in the input queue.
If the event is a button press, then note that we have grabbed
/* Make the event type no_event; we'll change that when we decide
otherwise. */
result->kind = mouse_click;
- XSET (result->code, Lisp_Int, event->button - Button1);
+ result->code = event->button - Button1;
result->timestamp = event->time;
result->modifiers = (x_x_to_emacs_modifiers (event->state)
| (event->type == ButtonRelease
if (! x_mouse_grabbed)
Vmouse_depressed = Qt;
x_mouse_grabbed |= (1 << event->button);
+ last_mouse_frame = f;
}
else if (event->type == ButtonRelease)
{
{
int row, column;
- pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL);
+#if 0
+ pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0);
XFASTINT (result->x) = column;
XFASTINT (result->y) = row;
+#endif
+ XFASTINT (result->x) = event->x;
+ XFASTINT (result->y) = event->y;
XSET (result->frame_or_window, Lisp_Frame, f);
}
}
+/* Prepare a menu-event in *RESULT for placement in the input queue. */
-/* Mouse movement. Rah.
-
- In order to avoid asking for motion events and then throwing most
- of them away or busy-polling the server for mouse positions, we ask
- the server for pointer motion hints. This means that we get only
- one event per group of mouse movements. "Groups" are delimited by
- other kinds of events (focus changes and button clicks, for
- example), or by XQueryPointer calls; when one of these happens, we
- get another MotionNotify event the next time the mouse moves. This
- is at least as efficient as getting motion events when mouse
- tracking is on, and I suspect only negligibly worse when tracking
- is off.
-
- The silly O'Reilly & Associates Nutshell guides barely document
- pointer motion hints at all (I think you have to infer how they
- work from an example), and the description of XQueryPointer doesn't
- mention that calling it causes you to get another motion hint from
- the server, which is very important. */
-
-/* Where the mouse was last time we reported a mouse event. */
-static FRAME_PTR last_mouse_frame;
-static XRectangle last_mouse_glyph;
-
-/* The scroll bar in which the last X motion event occurred.
-
- If the last X motion event occured in a scroll bar, we set this
- so XTmouse_position can know whether to report a scroll bar motion or
- an ordinary motion.
-
- If the last X motion event didn't occur in a scroll bar, we set this
- to Qnil, to tell XTmouse_position to return an ordinary motion event. */
-static Lisp_Object last_mouse_scroll_bar;
-
-/* This is a hack. We would really prefer that XTmouse_position would
- return the time associated with the position it returns, but there
- doesn't seem to be any way to wrest the timestamp from the server
- along with the position query. So, we just keep track of the time
- of the last movement we received, and return that in hopes that
- it's somewhat accurate. */
-static Time last_mouse_movement_time;
+static Lisp_Object
+construct_menu_click (result, event, f)
+ struct input_event *result;
+ XButtonEvent *event;
+ struct frame *f;
+{
+ /* Make the event type no_event; we'll change that when we decide
+ otherwise. */
+ result->kind = mouse_click;
+ XSET (result->code, Lisp_Int, event->button - Button1);
+ result->timestamp = event->time;
+ result->modifiers = (x_x_to_emacs_modifiers (event->state)
+ | (event->type == ButtonRelease
+ ? up_modifier
+ : down_modifier));
+ XFASTINT (result->x) = event->x;
+ XSETINT (result->y, -1);
+ XSET (result->frame_or_window, Lisp_Frame, f);
+}
+\f
/* Function to report a mouse movement to the mainstream Emacs code.
The input handler calls this.
Set *time to the server timestamp for the time at which the mouse
was at this position.
+ Don't store anything if we don't have a valid set of values to report.
+
This clears the mouse_moved flag, so we can wait for the next mouse
movement. This also calls XQueryPointer, which will cause the
server to give us another MotionNotify when the mouse moves
Lisp_Object *x, *y;
unsigned long *time;
{
+ FRAME_PTR f1;
+
BLOCK_INPUT;
if (! NILP (last_mouse_scroll_bar))
int parent_x, parent_y;
win = root;
- for (;;)
+
+ if (x_mouse_grabbed)
{
+ /* If mouse was grabbed on a frame, give coords for that frame
+ even if the mouse is now outside it. */
XTranslateCoordinates (x_current_display,
-
+
/* From-window, to-window. */
- root, win,
+ root, FRAME_X_WINDOW (last_mouse_frame),
/* From-position, to-position. */
root_x, root_y, &win_x, &win_y,
/* Child of win. */
&child);
+ f1 = last_mouse_frame;
+ }
+ else
+ {
+ while (1)
+ {
+ XTranslateCoordinates (x_current_display,
- if (child == None)
- break;
+ /* From-window, to-window. */
+ root, win,
- win = child;
- parent_x = win_x;
- parent_y = win_y;
- }
+ /* From-position, to-position. */
+ root_x, root_y, &win_x, &win_y,
+
+ /* Child of win. */
+ &child);
+
+ if (child == None)
+ break;
- /* Now we know that:
- win is the innermost window containing the pointer
- (XTC says it has no child containing the pointer),
- win_x and win_y are the pointer's position in it
- (XTC did this the last time through), and
- parent_x and parent_y are the pointer's position in win's parent.
- (They are what win_x and win_y were when win was child.
- If win is the root window, it has no parent, and
- parent_{x,y} are invalid, but that's okay, because we'll
- never use them in that case.) */
-
- /* Is win one of our frames? */
- *f = x_window_to_frame (win);
+ win = child;
+ parent_x = win_x;
+ parent_y = win_y;
+ }
+
+ /* Now we know that:
+ win is the innermost window containing the pointer
+ (XTC says it has no child containing the pointer),
+ win_x and win_y are the pointer's position in it
+ (XTC did this the last time through), and
+ parent_x and parent_y are the pointer's position in win's parent.
+ (They are what win_x and win_y were when win was child.
+ If win is the root window, it has no parent, and
+ parent_{x,y} are invalid, but that's okay, because we'll
+ never use them in that case.) */
+
+ /* Is win one of our frames? */
+ f1 = x_any_window_to_frame (win);
+ }
/* If not, is it one of our scroll bars? */
- if (! *f)
+ if (! f1)
{
struct scroll_bar *bar = x_window_to_scroll_bar (win);
if (bar)
{
- *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)));
+ f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)));
win_x = parent_x;
win_y = parent_y;
}
}
- if (*f)
+ if (f1)
{
- pixel_to_glyph_coords (*f, win_x, win_y, &win_x, &win_y,
- &last_mouse_glyph);
+ int ignore1, ignore2;
+
+ /* Ok, we found a frame. Store all the values. */
+
+ pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2,
+ &last_mouse_glyph, x_mouse_grabbed);
*bar_window = Qnil;
*part = 0;
+ *f = f1;
XSET (*x, Lisp_Int, win_x);
XSET (*y, Lisp_Int, win_y);
*time = last_mouse_movement_time;
XGCTYPE (tail) == Lisp_Cons;
tail = XCONS (tail)->cdr)
{
- Lisp_Object frame = XCONS (tail)->car;
- Lisp_Object bar, condemned;
+ Lisp_Object frame, bar, condemned;
+ frame = XCONS (tail)->car;
/* All elements of Vframe_list should be frames. */
if (XGCTYPE (frame) != Lisp_Frame)
abort ();
! GC_NILP (bar) || (bar = condemned,
condemned = Qnil,
! GC_NILP (bar));
- bar = XSCROLL_BAR(bar)->next)
+ bar = XSCROLL_BAR (bar)->next)
if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id)
return XSCROLL_BAR (bar);
}
{
XSetWindowAttributes a;
unsigned long mask;
-
a.background_pixel = frame->display.x->background_pixel;
a.event_mask = (ButtonPressMask | ButtonReleaseMask
| ButtonMotionMask | PointerMotionHintMask
mask = (CWBackPixel | CWEventMask | CWCursor);
+#if 0
+
+ ac = 0;
+ XtSetArg (al[ac], XtNx, left); ac++;
+ XtSetArg (al[ac], XtNy, top); ac++;
+ XtSetArg (al[ac], XtNwidth, width); ac++;
+ XtSetArg (al[ac], XtNheight, height); ac++;
+ XtSetArg (al[ac], XtNborderWidth, 0); ac++;
+ sb_widget = XtCreateManagedWidget ("box",
+ boxWidgetClass,
+ frame->display.x->edit_widget, al, ac);
+ SET_SCROLL_BAR_X_WINDOW
+ (bar, sb_widget->core.window);
+#endif
SET_SCROLL_BAR_X_WINDOW
(bar,
XCreateWindow (x_current_display, FRAME_X_WINDOW (frame),
UNBLOCK_INPUT;
}
-/* Move a scroll bar around on the screen, to accomodate changing
+/* Move a scroll bar around on the screen, to accommodate changing
window configurations. */
static void
x_scroll_bar_move (bar, top, left, width, height)
x_scroll_bar_set_handle (bar, 0, top_range, 0);
else
{
- int start = (position * top_range) / whole;
- int end = ((position + portion) * top_range) / whole;
+ int start = ((double) position * top_range) / whole;
+ int end = ((double) (position + portion) * top_range) / whole;
x_scroll_bar_set_handle (bar, start, end, 0);
}
/* x, y, width, height */
0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1);
- /* Draw another line to make the extra-thick border on the right. */
- XFillRectangle (x_current_display, w, gc,
-
- /* x, y, width, height */
- XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2);
-
UNBLOCK_INPUT;
}
abort ();
emacs_event->kind = scroll_bar_click;
- XSET (emacs_event->code, Lisp_Int, event->xbutton.button - Button1);
+ emacs_event->code = event->xbutton.button - Button1;
emacs_event->modifiers =
(x_x_to_emacs_modifiers (event->xbutton.state)
| (event->type == ButtonRelease
/* Same deal here as the other #if 0. */
#if 0
- /* Clicks on the handle are always reported as occuring at the top of
+ /* Clicks on the handle are always reported as occurring at the top of
the handle. */
if (emacs_event->part == scroll_bar_handle)
emacs_event->x = bar->start;
0, 0, 0, 0, True);
}
+/* This processes Expose events from the menubar specific X event
+ loop in menubar.c. This allows to redisplay the frame if necessary
+ when handling menubar or popup items. */
+
+void
+process_expose_from_menu (event)
+ XEvent event;
+{
+ FRAME_PTR f;
+
+ BLOCK_INPUT;
+
+ f = x_window_to_frame (event.xexpose.window);
+ if (f)
+ {
+ if (f->async_visible == 0)
+ {
+ f->async_visible = 1;
+ f->async_iconified = 0;
+ SET_FRAME_GARBAGED (f);
+ }
+ else
+ {
+ dumprectangle (x_window_to_frame (event.xexpose.window),
+ event.xexpose.x, event.xexpose.y,
+ event.xexpose.width, event.xexpose.height);
+ }
+ }
+ else
+ {
+ struct scroll_bar *bar
+ = x_window_to_scroll_bar (event.xexpose.window);
+
+ if (bar)
+ x_scroll_bar_expose (bar, &event);
+ }
+
+ UNBLOCK_INPUT;
+}
\f
/* The main X event-reading loop - XTread_socket. */
int items_pending; /* How many items are in the X queue. */
XEvent event;
struct frame *f;
- int event_found;
+ int event_found = 0;
int prefix;
Lisp_Object part;
{
if (event.xclient.data.l[0] == Xatom_wm_take_focus)
{
+#ifdef USE_X_TOOLKIT
+ /* f = x_any_window_to_frame (event.xclient.window); */
+ f = x_window_to_frame (event.xclient.window);
+#else
f = x_window_to_frame (event.xclient.window);
+#endif
if (f)
x_focus_on_frame (f);
/* Not certain about handling scroll bars here */
}
else if (event.xclient.data.l[0] == Xatom_wm_delete_window)
{
- struct frame *f = x_window_to_frame (event.xclient.window);
+ struct frame *f = x_any_window_to_frame (event.xclient.window);
if (f)
- if (numchars > 0)
- {
- }
+ {
+ if (numchars == 0)
+ abort ();
+
+ bufp->kind = delete_window_event;
+ XSET (bufp->frame_or_window, Lisp_Frame, f);
+ bufp++;
+
+ count += 1;
+ numchars -= 1;
+ }
}
}
else if (event.xclient.message_type == Xatom_wm_configure_denied)
else if (event.xclient.message_type == Xatom_wm_window_moved)
{
int new_x, new_y;
-
+ struct frame *f = x_window_to_frame (event.xclient.window);
+
new_x = event.xclient.data.s[0];
new_y = event.xclient.data.s[1];
+
+ if (f)
+ {
+ f->display.x->left_pos = new_x;
+ f->display.x->top_pos = new_y;
+ }
}
}
break;
#ifdef NEW_SELECTIONS
case SelectionNotify:
+#ifdef USE_X_TOOLKIT
+ if (x_window_to_frame (event.xselection.requestor))
+ x_handle_selection_notify (&event);
+ else
+ goto OTHER;
+#else /* not USE_X_TOOLKIT */
x_handle_selection_notify (&event);
+#endif /* not USE_X_TOOLKIT */
break;
-#endif
+#endif /* NEW_SELECTIONS */
case SelectionClear: /* Someone has grabbed ownership. */
#ifdef NEW_SELECTIONS
{
+#ifdef USE_X_TOOLKIT
+ if (x_window_to_frame (event.xselectionclear.window))
+ {
+#endif /* USE_X_TOOLKIT */
XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event;
if (numchars == 0)
count += 1;
numchars -= 1;
+#ifdef USE_X_TOOLKIT
}
-#else
+ else
+ goto OTHER;
+#endif /* USE_X_TOOLKIT */
+ }
+#else /* not NEW_SELECTIONS */
x_disown_selection (event.xselectionclear.window,
event.xselectionclear.selection,
event.xselectionclear.time);
-#endif
+#endif /* not NEW_SELECTIONS */
break;
case SelectionRequest: /* Someone wants our selection. */
#ifdef NEW_SELECTIONS
{
+#ifdef USE_X_TOOLKIT
+ if (x_window_to_frame (event.xselectionrequest.owner))
+ {
+#endif /* USE_X_TOOLKIT */
XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event;
if (numchars == 0)
count += 1;
numchars -= 1;
+#ifdef USE_X_TOOLKIT
}
-#else
+ else
+ goto OTHER;
+#endif /* USE_X_TOOLKIT */
+ }
+#else /* not NEW_SELECTIONS */
x_answer_selection_request (event);
-#endif
+#endif /* not NEW_SELECTIONS */
break;
case PropertyNotify:
#ifdef NEW_SELECTIONS
+#ifdef USE_X_TOOLKIT
+ if (x_any_window_to_frame (event.xproperty.window))
+ x_handle_property_notify (&event);
+ else
+ goto OTHER;
+#else /* not USE_X_TOOLKIT */
x_handle_property_notify (&event);
-#else
+#endif /* not USE_X_TOOLKIT */
+#else /* not NEW_SELECTIONS */
/* If we're being told about a root window property, then it's
a cut buffer change. */
if (event.xproperty.window == ROOT_WINDOW)
about re-selecting. */
x_send_incremental (event);
}
-#endif
+#endif /* not NEW_SELECTIONS */
break;
case ReparentNotify:
{
struct scroll_bar *bar
= x_window_to_scroll_bar (event.xexpose.window);
-
+
if (bar)
- x_scroll_bar_expose (bar, &event);
+ x_scroll_bar_expose (bar, &event);
+#ifdef USE_X_TOOLKIT
+ else
+ goto OTHER;
+#endif /* USE_X_TOOLKIT */
}
break;
event.xgraphicsexpose.width,
event.xgraphicsexpose.height);
}
+#ifdef USE_X_TOOLKIT
+ else
+ goto OTHER;
+#endif /* USE_X_TOOLKIT */
break;
case NoExpose: /* This occurs when an XCopyArea's
/* The window manager never makes a window invisible
("withdrawn"); all it does is switch between visible
and iconified. Frames get into the invisible state
- only through x_make_frame_invisible.
+ only through x_make_frame_invisible. */
if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f))
f->async_iconified = 1;
}
+#ifdef USE_X_TOOLKIT
+ goto OTHER;
+#endif /* USE_X_TOOLKIT */
break;
case MapNotify:
+#ifdef USE_X_TOOLKIT
+ f = x_any_window_to_frame (event.xmap.window);
+#else /* not USE_X_TOOLKIT */
f = x_window_to_frame (event.xmap.window);
+#endif /* not USE_X_TOOLKIT */
if (f)
{
f->async_visible = 1;
the frame's display structures. */
SET_FRAME_GARBAGED (f);
}
- break;
+#ifdef USE_X_TOOLKIT
+ goto OTHER;
+#endif /* USE_X_TOOLKIT */
+ break;
/* Turn off processing if we become fully obscured. */
case VisibilityNotify:
#ifdef HAVE_X11
case KeyPress:
- f = x_window_to_frame (event.xkey.window);
+ f = x_any_window_to_frame (event.xkey.window);
if (f != 0)
{
KeySym keysym, orig_keysym;
- char copy_buffer[80];
+ /* al%imercury@uunet.uu.net says that making this 81 instead of
+ 80 fixed a bug whereby meta chars made his Emacs hang. */
+ unsigned char copy_buffer[81];
int modifiers;
event.xkey.state
if (numchars > 1)
{
- if ((keysym >= XK_BackSpace && keysym <= XK_Escape)
- || keysym == XK_Delete
- || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */
- || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */
+ if (((keysym >= XK_BackSpace && keysym <= XK_Escape)
+ || keysym == XK_Delete
+ || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */
+ || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */
#ifdef HPUX
- /* This recognizes the "extended function keys".
- It seems there's no cleaner way.
- Test IsModifierKey to avoid handling mode_switch
- incorrectly. */
- || (!IsModifierKey (orig_keysym)
- && (unsigned) (keysym) >= XK_Select
- && (unsigned)(keysym) < XK_KP_Space)
+ /* This recognizes the "extended function keys".
+ It seems there's no cleaner way.
+ Test IsModifierKey to avoid handling mode_switch
+ incorrectly. */
+ || ((unsigned) (keysym) >= XK_Select
+ && (unsigned)(keysym) < XK_KP_Space)
+#endif
+#ifdef XK_dead_circumflex
+ || orig_keysym == XK_dead_circumflex
+#endif
+#ifdef XK_dead_grave
+ || orig_keysym == XK_dead_grave
+#endif
+#ifdef XK_dead_tilde
+ || orig_keysym == XK_dead_tilde
+#endif
+#ifdef XK_dead_diaeresis
+ || orig_keysym == XK_dead_diaeresis
+#endif
+#ifdef XK_dead_macron
+ || orig_keysym == XK_dead_macron
+#endif
+#ifdef XK_dead_degree
+ || orig_keysym == XK_dead_degree
+#endif
+#ifdef XK_dead_acute
+ || orig_keysym == XK_dead_acute
+#endif
+#ifdef XK_dead_cedilla
+ || orig_keysym == XK_dead_cedilla
+#endif
+#ifdef XK_dead_breve
+ || orig_keysym == XK_dead_breve
+#endif
+#ifdef XK_dead_ogonek
+ || orig_keysym == XK_dead_ogonek
+#endif
+#ifdef XK_dead_caron
+ || orig_keysym == XK_dead_caron
+#endif
+#ifdef XK_dead_doubleacute
+ || orig_keysym == XK_dead_doubleacute
+#endif
+#ifdef XK_dead_abovedot
+ || orig_keysym == XK_dead_abovedot
+#endif
+ || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */
+ || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */
+ || x_is_vendor_fkey (orig_keysym))
+ && ! (IsModifierKey (orig_keysym)
+#ifndef HAVE_X11R5
+#ifdef XK_Mode_switch
+ || ((unsigned)(orig_keysym) == XK_Mode_switch)
+#endif
+#ifdef XK_Num_Lock
+ || ((unsigned)(orig_keysym) == XK_Num_Lock)
#endif
- || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */
- || IsFunctionKey (keysym)) /* 0xffbe <= x < 0xffe1 */
+#endif /* not HAVE_X11R5 */
+ ))
{
if (temp_index == sizeof temp_buffer / sizeof (short))
temp_index = 0;
temp_buffer[temp_index++] = keysym;
bufp->kind = non_ascii_keystroke;
- XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff00);
+ bufp->code = keysym;
XSET (bufp->frame_or_window, Lisp_Frame, f);
bufp->modifiers = x_x_to_emacs_modifiers (modifiers);
bufp->timestamp = event.xkey.time;
temp_index = 0;
temp_buffer[temp_index++] = copy_buffer[i];
bufp->kind = ascii_keystroke;
- XSET (bufp->code, Lisp_Int, copy_buffer[i]);
+ bufp->code = copy_buffer[i];
XSET (bufp->frame_or_window, Lisp_Frame, f);
bufp->modifiers = x_x_to_emacs_modifiers (modifiers);
bufp->timestamp = event.xkey.time;
for (i = 0; i < nbytes; i++)
{
bufp->kind = ascii_keystroke;
- XSET (bufp->code, Lisp_Int, where_mapping[i]);
+ bufp->code = where_mapping[i];
XSET (bufp->time, Lisp_Int, event.xkey.time);
XSET (bufp->frame_or_window, Lisp_Frame, f);
bufp++;
then a mere LeaveNotify is enough to free you. */
case EnterNotify:
- f = x_window_to_frame (event.xcrossing.window);
+ f = x_any_window_to_frame (event.xcrossing.window);
if (event.xcrossing.focus) /* Entered Window */
{
}
else if (f == x_focus_frame)
x_new_focus_frame (0);
-
+#ifdef USE_X_TOOLKIT
+ goto OTHER;
+#endif /* USE_X_TOOLKIT */
break;
case FocusIn:
- f = x_window_to_frame (event.xfocus.window);
+ f = x_any_window_to_frame (event.xfocus.window);
if (event.xfocus.detail != NotifyPointer)
x_focus_event_frame = f;
if (f)
x_new_focus_frame (f);
+#ifdef USE_X_TOOLKIT
+ goto OTHER;
+#endif /* USE_X_TOOLKIT */
break;
case LeaveNotify:
- f = x_window_to_frame (event.xcrossing.window);
+ f = x_any_window_to_frame (event.xcrossing.window);
if (event.xcrossing.focus)
{
if (f == x_focus_frame)
x_new_focus_frame (0);
}
+#ifdef USE_X_TOOLKIT
+ goto OTHER;
+#endif /* USE_X_TOOLKIT */
break;
case FocusOut:
- f = x_window_to_frame (event.xfocus.window);
+ f = x_any_window_to_frame (event.xfocus.window);
if (event.xfocus.detail != NotifyPointer
&& f == x_focus_event_frame)
x_focus_event_frame = 0;
if (f && f == x_focus_frame)
x_new_focus_frame (0);
+#ifdef USE_X_TOOLKIT
+ goto OTHER;
+#endif /* USE_X_TOOLKIT */
break;
#else /* ! defined (HAVE_X11) */
#ifdef HAVE_X11
case MotionNotify:
{
- f = x_window_to_frame (event.xmotion.window);
+ if (x_mouse_grabbed)
+ f = last_mouse_frame;
+ else
+ f = x_window_to_frame (event.xmotion.window);
if (f)
note_mouse_movement (f, &event.xmotion);
else
{
- struct scroll_bar *bar =
- x_window_to_scroll_bar (event.xmotion.window);
+ struct scroll_bar *bar
+ = x_window_to_scroll_bar (event.xmotion.window);
if (bar)
x_scroll_bar_note_movement (bar, &event);
}
}
+#ifdef USE_X_TOOLKIT
+ goto OTHER;
+#endif /* USE_X_TOOLKIT */
break;
case ConfigureNotify:
- f = x_window_to_frame (event.xconfigure.window);
+ f = x_any_window_to_frame (event.xconfigure.window);
+#ifdef USE_X_TOOLKIT
+ if (f
+ && ! event.xconfigure.send_event
+ && (event.xconfigure.window == XtWindow (f->display.x->widget)))
+ {
+ Window win, child;
+ int win_x, win_y;
+
+ /* Find the position of the outside upper-left corner of
+ the window, in the root coordinate system. Don't
+ refer to the parent window here; we may be processing
+ this event after the window manager has changed our
+ parent, but before we have reached the ReparentNotify. */
+ XTranslateCoordinates (x_current_display,
+
+ /* From-window, to-window. */
+ XtWindow (f->display.x->widget),
+ ROOT_WINDOW,
+
+ /* From-position, to-position. */
+ -event.xconfigure.border_width,
+ -event.xconfigure.border_width,
+ &win_x, &win_y,
+
+ /* Child of win. */
+ &child);
+ event.xconfigure.x = win_x;
+ event.xconfigure.y = win_y;
+
+ f->display.x->pixel_width = event.xconfigure.width;
+ f->display.x->pixel_height = event.xconfigure.height;
+ f->display.x->left_pos = event.xconfigure.x;
+ f->display.x->top_pos = event.xconfigure.y;
+ }
+ goto OTHER;
+#else /* not USE_X_TOOLKIT */
if (f)
{
int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height);
Window win, child;
int win_x, win_y;
- /* Coords are relative to the parent.
- Convert them to root-relative. */
+ /* Find the position of the outside upper-left corner of
+ the window, in the root coordinate system. Don't
+ refer to the parent window here; we may be processing
+ this event after the window manager has changed our
+ parent, but before we have reached the ReparentNotify. */
XTranslateCoordinates (x_current_display,
/* From-window, to-window. */
- f->display.x->parent_desc,
+ f->display.x->window_desc,
ROOT_WINDOW,
/* From-position, to-position. */
- event.xconfigure.x,
- event.xconfigure.y,
+ -event.xconfigure.border_width,
+ -event.xconfigure.border_width,
&win_x, &win_y,
/* Child of win. */
f->display.x->left_pos = event.xconfigure.x;
f->display.x->top_pos = event.xconfigure.y;
}
+#endif /* not USE_X_TOOLKIT */
break;
case ButtonPress:
if (f)
{
if (!x_focus_frame || (f == x_focus_frame))
- construct_mouse_click (&emacs_event,
- &event, f);
+ construct_mouse_click (&emacs_event, &event, f);
}
else
{
if (bar)
x_scroll_bar_handle_click (bar, &event, &emacs_event);
+#ifdef USE_X_TOOLKIT
+ else
+ {
+ f = x_any_window_to_frame (event.xbutton.window);
+ if (f && event.type == ButtonPress)
+ construct_menu_click (&emacs_event,
+ &event, f);
+ }
+#endif /* USE_X_TOOLKIT */
}
if (numchars >= 1 && emacs_event.kind != no_event)
count++;
numchars--;
}
+
+#ifdef USE_X_TOOLKIT
+ goto OTHER;
+#endif /* USE_X_TOOLKIT */
}
break;
if (numchars >= 2)
{
bufp->kind = ascii_keystroke;
- bufp->code = (char) 'X' & 037; /* C-x */
+ bufp->code = 'X' & 037; /* C-x */
XSET (bufp->frame_or_window, Lisp_Frame, f);
XSET (bufp->time, Lisp_Int, event.xkey.time);
bufp++;
bufp->kind = ascii_keystroke;
- bufp->code = (char) 0; /* C-@ */
+ bufp->code = 0; /* C-@ */
XSET (bufp->frame_or_window, Lisp_Frame, f);
XSET (bufp->time, Lisp_Int, event.xkey.time);
bufp++;
case MappingKeyboard:
XRefreshKeyboardMapping (&event.xmapping);
}
+#ifdef USE_X_TOOLKIT
+ goto OTHER;
+#endif /* USE_X_TOOLKIT */
break;
default:
+#ifdef USE_X_TOOLKIT
+ OTHER:
+ BLOCK_INPUT;
+ XtDispatchEvent (&event);
+ UNBLOCK_INPUT;
+#endif /* USE_X_TOOLKIT */
break;
}
}
-#if 0
+#ifdef X_IO_BUG
+ if (! event_found)
+ /* On some systems, an X bug causes Emacs to get no more events
+ when the window is destroyed. Detect that. (1994.) */
+ XNoOp (x_current_display);
+#endif /* X_IO_BUG */
+
+#if 0 /* This fails for serial-line connections to the X server,
+ because the characters arrive one by one, and a partial
+ command makes select return but gives nothing to read.
+ We'll have to hope that the bug that this tried to fix
+ in 1988 has been fixed in Xlib or the X server. */
#ifdef HAVE_SELECT
if (expected && ! event_found)
{
/* AOJ 880406: if select returns true but XPending doesn't, it means that
there is an EOF condition; in other words, that X has died.
Act as if there had been a hangup. */
-
int fd = ConnectionNumber (x_current_display);
- int mask = 1 << fd;
-
- if (0 != select (fd + 1, &mask, (long *) 0, (long *) 0,
- (EMACS_TIME) 0)
+ SELECT_TYPE mask, junk1, junk2;
+ EMACS_TIME timeout;
+
+ FD_ZERO (&mask);
+ FD_SET (fd, &mask);
+ EMACS_SET_SECS_USECS (timeout, 0, 0);
+ FD_ZERO (&junk1);
+ FD_ZERO (&junk2);
+ if (0 != select (fd + 1, &mask, &junk1, &junk2, &timeout)
&& !XStuffPending ())
kill (getpid (), SIGHUP);
}
-#endif /* ! defined (HAVE_SELECT) */
-#endif /* ! 0 */
+#endif /* HAVE_SELECT */
+#endif /* 0 */
#ifndef HAVE_X11
if (updating_frame == 0)
struct frame *f;
int on;
{
+ BLOCK_INPUT;
+
if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor)
x_display_box_cursor (f, on);
else if (FRAME_DESIRED_CURSOR (f) == bar_cursor)
else
/* Those are the only two we have implemented! */
abort ();
+
+ UNBLOCK_INPUT;
}
\f
/* Icons. */
if (_Xdebug)
abort ();
- shut_down_emacs (0, 1);
+ shut_down_emacs (0, 1, Qnil);
exit (70);
}
fprintf (stderr, "X protocol error: %s on protocol request %d\n",
buf, error->request_code);
+#if 0
/* While we're testing Emacs 19, we'll just dump core whenever we
get an X error, so we can figure out why it happened. */
abort ();
+#endif
x_connection_closed ();
}
fprintf (stderr, "Connection to X server %s lost.\n",
XDisplayName (DisplayString (display)));
+#if 0
/* While we're testing Emacs 19, we'll just dump core whenever we
get an X error, so we can figure out why it happened. */
abort ();
+#endif
x_connection_closed ();
}
/* A buffer for storing X error messages. */
-static char (*x_caught_error_message)[200];
+static char *x_caught_error_message;
+#define X_CAUGHT_ERROR_MESSAGE_SIZE 200
/* An X error handler which stores the error message in
x_caught_error_message. This is what's installed when
XErrorEvent *error;
{
XGetErrorText (display, error->error_code,
- *x_caught_error_message, sizeof (*x_caught_error_message));
+ x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE);
}
Calling x_uncatch_errors resumes the normal error handling. */
-void x_catch_errors(), x_check_errors (), x_uncatch_errors ();
+void x_catch_errors (), x_check_errors (), x_uncatch_errors ();
void
x_catch_errors ()
/* Set up the error buffer. */
x_caught_error_message
- = (char (*)[200]) xmalloc (sizeof (*x_caught_error_message));
- (*x_caught_error_message)[0] = '\0';
+ = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE);
+ x_caught_error_message[0] = '\0';
/* Install our little error handler. */
XHandleError (x_error_catcher);
/* If any X protocol errors have arrived since the last call to
x_catch_errors or x_check_errors, signal an Emacs error using
sprintf (a buffer, FORMAT, the x error message text) as the text. */
+
void
x_check_errors (format)
char *format;
/* Make sure to catch any errors incurred so far. */
XSync (x_current_display, False);
- if ((*x_caught_error_message)[0])
+ if (x_caught_error_message[0])
{
- char buf[256];
-
- sprintf (buf, format, *x_caught_error_message);
- xfree (x_caught_error_message);
+ char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56];
+ sprintf (buf, format, x_caught_error_message);
x_uncatch_errors ();
error (buf);
}
}
+/* Nonzero if we had any X protocol errors since we did x_catch_errors. */
+
+int
+x_had_errors_p ()
+{
+ /* Make sure to catch any errors incurred so far. */
+ XSync (x_current_display, False);
+
+ return x_caught_error_message[0] != 0;
+}
+
+/* Stop catching X protocol errors and let them make Emacs die. */
+
void
x_uncatch_errors ()
{
xfree (x_caught_error_message);
+ x_caught_error_message = 0;
XHandleError (x_error_quitter);
}
#ifdef HAVE_X11
+struct font_info
+{
+ XFontStruct *font;
+ char *name;
+};
+
/* A table of all the fonts we have already loaded. */
-static XFontStruct **x_font_table;
+static struct font_info *x_font_table;
/* The current capacity of x_font_table. */
static int x_font_table_size;
/* Get a list of all the fonts that match this name. Once we
have a list of matching fonts, we compare them against the fonts
we already have by comparing font ids. */
- font_names = (char **) XListFontsWithInfo (x_current_display, fontname,
- 1024, &n_matching_fonts,
- &font_info);
+ font_names = (char **) XListFonts (x_current_display, fontname,
+ 1024, &n_matching_fonts);
+ /* Apparently it doesn't set n_matching_fonts to zero when it can't
+ find any matches; font_names == 0 is the only clue. */
+ if (! font_names)
+ n_matching_fonts = 0;
+
/* Don't just give up if n_matching_fonts is 0.
Apparently there's a bug on Suns: XListFontsWithInfo can
fail to find a font, but XLoadQueryFont may still find it. */
for (i = 0; i < n_fonts; i++)
for (j = 0; j < n_matching_fonts; j++)
- if (x_font_table[i]->fid == font_info[j].fid)
+ if (!strcmp (x_font_table[i].name, font_names[j]))
{
already_loaded = i;
fontname = font_names[j];
found_font:
/* If we have, just return it from the table. */
- if (already_loaded > 0)
- f->display.x->font = x_font_table[already_loaded];
+ if (already_loaded >= 0)
+ f->display.x->font = x_font_table[already_loaded].font;
/* Otherwise, load the font and add it to the table. */
else
font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname);
if (! font)
{
- /* Free the information from XListFontsWithInfo. */
+ /* Free the information from XListFonts. */
if (n_matching_fonts)
- XFreeFontInfo (font_names, font_info, n_matching_fonts);
+ XFreeFontNames (font_names);
return Qnil;
}
{
x_font_table_size = 16;
x_font_table
- = (XFontStruct **) xmalloc (x_font_table_size
- * sizeof (x_font_table[0]));
+ = (struct font_info *) xmalloc (x_font_table_size
+ * sizeof (x_font_table[0]));
}
/* Do we need to grow the table? */
else if (n_fonts >= x_font_table_size)
{
x_font_table_size *= 2;
x_font_table
- = (XFontStruct **) xrealloc (x_font_table,
- (x_font_table_size
- * sizeof (x_font_table[0])));
+ = (struct font_info *) xrealloc (x_font_table,
+ (x_font_table_size
+ * sizeof (x_font_table[0])));
}
- f->display.x->font = x_font_table[n_fonts++] = font;
+ x_font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1);
+ bcopy (fontname, x_font_table[n_fonts].name, strlen (fontname) + 1);
+ f->display.x->font = x_font_table[n_fonts++].font = font;
}
-
+
/* Now make the frame display the given font. */
if (FRAME_X_WINDOW (f) != 0)
{
XSetFont (x_current_display, f->display.x->cursor_gc,
f->display.x->font->fid);
- x_set_window_size (f, f->width, f->height);
+ x_set_window_size (f, 0, f->width, f->height);
}
{
- Lisp_Object lispy_name = build_string (fontname);
+ Lisp_Object lispy_name;
+ lispy_name = build_string (fontname);
- /* Free the information from XListFontsWithInfo. The data
+ /* Free the information from XListFonts. The data
we actually retain comes from XLoadQueryFont. */
- XFreeFontInfo (font_names, font_info, n_matching_fonts);
+ XFreeFontNames (font_names);
return lispy_name;
}
f->display.x->font = temp;
if (FRAME_X_WINDOW (f) != 0)
- x_set_window_size (f, f->width, f->height);
+ x_set_window_size (f, 0, f->width, f->height);
return 0;
}
#endif /* ! defined (HAVE_X11) */
\f
-/* X Window sizes and positions. */
-
x_calc_absolute_position (f)
struct frame *f;
{
#ifdef HAVE_X11
+ Window win, child;
+ int win_x = 0, win_y = 0;
+
+ /* Find the position of the outside upper-left corner of
+ the inner window, with respect to the outer window. */
+ if (f->display.x->parent_desc != ROOT_WINDOW)
+ {
+ BLOCK_INPUT;
+ XTranslateCoordinates (x_current_display,
+
+ /* From-window, to-window. */
+ f->display.x->window_desc,
+ f->display.x->parent_desc,
+
+ /* From-position, to-position. */
+ 0, 0, &win_x, &win_y,
+
+ /* Child of win. */
+ &child);
+ UNBLOCK_INPUT;
+ }
+
+ /* Treat negative positions as relative to the leftmost bottommost
+ position that fits on the screen. */
if (f->display.x->left_pos < 0)
- f->display.x->left_pos
- = x_screen_width - PIXEL_WIDTH (f) + f->display.x->left_pos;
+ f->display.x->left_pos = (x_screen_width
+ - 2 * f->display.x->border_width - win_x
+ - PIXEL_WIDTH (f)
+ + f->display.x->left_pos);
if (f->display.x->top_pos < 0)
- f->display.x->top_pos
- = x_screen_height - PIXEL_HEIGHT (f) + f->display.x->top_pos;
+ f->display.x->top_pos = (x_screen_height
+ - 2 * f->display.x->border_width - win_y
+ - PIXEL_HEIGHT (f)
+ + f->display.x->top_pos);
+
#else /* ! defined (HAVE_X11) */
WINDOWINFO_TYPE parentinfo;
x_calc_absolute_position (f);
BLOCK_INPUT;
+#ifdef USE_X_TOOLKIT
+ XMoveWindow (XDISPLAY XtWindow (f->display.x->widget),
+ f->display.x->left_pos, f->display.x->top_pos);
+#else /* not USE_X_TOOLKIT */
XMoveWindow (XDISPLAY FRAME_X_WINDOW (f),
f->display.x->left_pos, f->display.x->top_pos);
+#endif /* not USE_X_TOOLKIT */
#ifdef HAVE_X11
- x_wm_set_size_hint (f, 0);
+ x_wm_set_size_hint (f, 0, 1, xoff, yoff);
#endif /* ! defined (HAVE_X11) */
UNBLOCK_INPUT;
}
-/* Call this to change the size of frame F's x-window. */
+/* Call this to change the size of frame F's x-window.
+ If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
+ for this size change and subsequent size changes.
+ Otherwise we leave the window gravity unchanged. */
-x_set_window_size (f, cols, rows)
+x_set_window_size (f, change_gravity, cols, rows)
struct frame *f;
+ int change_gravity;
int cols, rows;
{
int pixelwidth, pixelheight;
int mask;
+#ifdef USE_X_TOOLKIT
+ BLOCK_INPUT;
+ EmacsFrameSetCharSize (f->display.x->edit_widget, cols, rows);
+ UNBLOCK_INPUT;
+
+#else /* not USE_X_TOOLKIT */
+
BLOCK_INPUT;
check_frame_size (f, &rows, &cols);
- f->display.x->vertical_scroll_bar_extra =
- (FRAME_HAS_VERTICAL_SCROLL_BARS (f)
- ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f)
- : 0);
+ f->display.x->vertical_scroll_bar_extra
+ = (FRAME_HAS_VERTICAL_SCROLL_BARS (f)
+ ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f)
+ : 0);
pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols);
pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows);
#ifdef HAVE_X11
- x_wm_set_size_hint (f, 0);
+ x_wm_set_size_hint (f, 0, change_gravity, 0, 0);
#endif /* ! defined (HAVE_X11) */
XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight);
XFlushQueue ();
UNBLOCK_INPUT;
+#endif /* not USE_X_TOOLKIT */
}
#ifndef HAVE_X11
{
int pix_x, pix_y;
+#if 0 /* Let the user ask for this if he wants it. */
x_raise_frame (f);
+#endif
pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2;
pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2;
x_focus_on_frame (f)
struct frame *f;
{
+#if 0 /* This proves to be unpleasant. */
x_raise_frame (f);
+#endif
#if 0
/* I don't think that the ICCCM allows programs to do things like this
without the interaction of the window manager. Whatever you end up
if (f->async_visible)
{
BLOCK_INPUT;
+#ifdef USE_X_TOOLKIT
+ XRaiseWindow (XDISPLAY XtWindow (f->display.x->widget));
+#else /* not USE_X_TOOLKIT */
XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f));
+#endif /* not USE_X_TOOLKIT */
XFlushQueue ();
UNBLOCK_INPUT;
}
if (f->async_visible)
{
BLOCK_INPUT;
+#ifdef USE_X_TOOLKIT
+ XLowerWindow (XDISPLAY XtWindow (f->display.x->widget));
+#else /* not USE_X_TOOLKIT */
XLowerWindow (XDISPLAY FRAME_X_WINDOW (f));
+#endif /* not USE_X_TOOLKIT */
XFlushQueue ();
UNBLOCK_INPUT;
}
#ifdef HAVE_X11
if (! EQ (Vx_no_window_manager, Qt))
x_wm_set_window_state (f, NormalState);
-
+#ifdef USE_X_TOOLKIT
+ XtPopup (f->display.x->widget, XtGrabNone);
+#else /* not USE_X_TOOLKIT */
XMapWindow (XDISPLAY FRAME_X_WINDOW (f));
+#endif /* not USE_X_TOOLKIT */
if (FRAME_HAS_VERTICAL_SCROLL_BARS (f))
XMapSubwindows (x_current_display, FRAME_X_WINDOW (f));
#else /* ! defined (HAVE_X11) */
#ifdef HAVE_X11R4
+#ifdef USE_X_TOOLKIT
+ if (! XWithdrawWindow (x_current_display, XtWindow (f->display.x->widget),
+ DefaultScreen (x_current_display)))
+#else /* not USE_X_TOOLKIT */
if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f),
DefaultScreen (x_current_display)))
+#endif /* not USE_X_TOOLKIT */
{
UNBLOCK_INPUT_RESIGNAL;
- error ("can't notify window manager of window withdrawl");
+ error ("can't notify window manager of window withdrawal");
}
#else /* ! defined (HAVE_X11R4) */
XEvent unmap;
unmap.xunmap.type = UnmapNotify;
+#ifdef USE_X_TOOLKIT
+ unmap.xunmap.window = XtWindow (f->display.x->widget);
+#else /* not USE_X_TOOLKIT */
unmap.xunmap.window = FRAME_X_WINDOW (f);
+#endif /* not USE_X_TOOLKIT */
unmap.xunmap.event = DefaultRootWindow (x_current_display);
unmap.xunmap.from_configure = False;
if (! XSendEvent (x_current_display,
}
/* Unmap the window ourselves. Cheeky! */
+#ifdef USE_X_TOOLKIT
+ XUnmapWindow (x_current_display, XtWindow (f->display.x->widget));
+#else /* not USE_X_TOOLKIT */
XUnmapWindow (x_current_display, FRAME_X_WINDOW (f));
-
+#endif /* not USE_X_TOOLKIT */
#else /* ! defined (HAVE_X11) */
XUnmapWindow (FRAME_X_WINDOW (f));
struct frame *f;
{
int mask;
+ int result;
/* Don't keep the highlight on an invisible frame. */
if (x_highlight_frame == f)
if (f->async_iconified)
return;
+#ifdef USE_X_TOOLKIT
+ BLOCK_INPUT;
+ result = XIconifyWindow (x_current_display,
+ XtWindow (f->display.x->widget),
+ DefaultScreen (x_current_display));
+ UNBLOCK_INPUT;
+
+ if (!result)
+ error ("Can't notify window manager of iconification.");
+
+ f->async_iconified = 1;
+
+ BLOCK_INPUT;
+ XFlushQueue ();
+ UNBLOCK_INPUT;
+#else /* not USE_X_TOOLKIT */
+
BLOCK_INPUT;
#ifdef HAVE_X11
IconicState. */
x_wm_set_window_state (f, IconicState);
+ if (!FRAME_VISIBLE_P (f))
+ {
+ /* If the frame was withdrawn, before, we must map it. */
+ XMapWindow (XDISPLAY FRAME_X_WINDOW (f));
+ if (FRAME_HAS_VERTICAL_SCROLL_BARS (f))
+ XMapSubwindows (x_current_display, FRAME_X_WINDOW (f));
+ }
+
f->async_iconified = 1;
#else /* ! defined (HAVE_X11) */
XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f));
XFlushQueue ();
UNBLOCK_INPUT;
+#endif /* not USE_X_TOOLKIT */
}
/* Destroy the X window of frame F. */
if (f->display.x->icon_desc != 0)
XDestroyWindow (XDISPLAY f->display.x->icon_desc);
XDestroyWindow (XDISPLAY f->display.x->window_desc);
+#ifdef USE_X_TOOLKIT
+ XtDestroyWidget (f->display.x->widget);
+ free_frame_menubar (f);
+#endif /* USE_X_TOOLKIT */
+
free_frame_faces (f);
XFlushQueue ();
of certain kinds into our private queues.
All ExposeRegion events are put in x_expose_queue.
- All ButtonPressed and ButtonReleased events are put in x_mouse_queue. */
+ All ButtonPress and ButtonRelease events are put in x_mouse_queue. */
/* Write the event *P_XREP into the event queue *QUEUE.
#ifdef HAVE_X11
-x_wm_set_size_hint (f, prompting)
+/* Record the gravity used previously, in case CHANGE_GRAVITY is 0. */
+static int previous_gravity;
+
+/* SPEC_X and SPEC_Y are the specified positions.
+ We look only at their sign, to decide the gravity.
+ If CHANGE_GRAVITY is 0, we ignore SPEC_X and SPEC_Y
+ and leave the gravity unchanged. */
+
+x_wm_set_size_hint (f, prompting, change_gravity, spec_x, spec_y)
struct frame *f;
long prompting;
+ int change_gravity;
+ int spec_x, spec_y;
{
XSizeHints size_hints;
+
+#ifdef USE_X_TOOLKIT
+ Window window = XtWindow (f->display.x->widget);
+#else /* not USE_X_TOOLKIT */
Window window = FRAME_X_WINDOW (f);
+#endif /* not USE_X_TOOLKIT */
size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */;
if (hints.flags & USSize)
size_hints.flags |= USSize;
}
+#if defined (PWinGravity)
+ if (change_gravity)
+ {
+ switch (((spec_x < 0) << 1) + (spec_y < 0))
+ {
+ case 0:
+ size_hints.win_gravity = NorthWestGravity;
+ break;
+ case 1:
+ size_hints.win_gravity = NorthEastGravity;
+ break;
+ case 2:
+ size_hints.win_gravity = SouthWestGravity;
+ break;
+ case 3:
+ size_hints.win_gravity = SouthEastGravity;
+ break;
+ }
+ previous_gravity = size_hints.win_gravity;
+ }
+ else
+ size_hints.win_gravity = previous_gravity;
+
+ size_hints.flags |= PWinGravity;
+#endif /* PWinGravity */
#ifdef HAVE_X11R4
XSetWMNormalHints (x_current_display, window, &size_hints);
struct frame *f;
int state;
{
+#ifdef USE_X_TOOLKIT
+ Window window = XtWindow (f->display.x->widget);
+#else /* not USE_X_TOOLKIT */
Window window = FRAME_X_WINDOW (f);
+#endif /* not USE_X_TOOLKIT */
f->display.x->wm_hints.flags |= StateHint;
f->display.x->wm_hints.initial_state = state;
\f
/* Initialization. */
+#ifdef USE_X_TOOLKIT
+static XrmOptionDescRec emacs_options[] = {
+ {"-geometry", ".geometry", XrmoptionSepArg, NULL},
+ {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"},
+
+ {"-internal-border-width", "*EmacsScreen.internalBorderWidth",
+ XrmoptionSepArg, NULL},
+ {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL},
+
+ {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL},
+ {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL},
+ {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL},
+ {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL},
+ {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL},
+ {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL},
+ {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL}
+};
+#endif /* USE_X_TOOLKIT */
+
void
x_term_init (display_name)
char *display_name;
{
Lisp_Object frame;
char *defaultvalue;
+ int argc = 0;
+ char** argv = 0;
+#ifndef F_SETOWN_BUG
#ifdef F_SETOWN
extern int old_fcntl_owner;
#endif /* ! defined (F_SETOWN) */
+#endif /* F_SETOWN_BUG */
x_focus_frame = x_highlight_frame = 0;
+#ifdef USE_X_TOOLKIT
+ argv = (char **) XtMalloc (3 * sizeof (char *));
+ argv [0] = "";
+ argv [1] = "-display";
+ argv [2] = display_name;
+ argc = 3;
+ Xt_app_shell = XtAppInitialize (&Xt_app_con, "Emacs",
+ emacs_options, XtNumber (emacs_options),
+ &argc, argv,
+ NULL, NULL, 0);
+ XtFree (argv);
+ x_current_display = XtDisplay (Xt_app_shell);
+
+#else /* not USE_X_TOOLKIT */
x_current_display = XOpenDisplay (display_name);
+#endif /* not USE_X_TOOLKIT */
if (x_current_display == 0)
- fatal ("X server %s not responding; check the DISPLAY environment variable or use \"-d\"\n",
+ fatal ("X server %s not responding.\n\
+Check the DISPLAY environment variable or use \"-d\"\n",
display_name);
#ifdef HAVE_X11
{
- int hostname_size = 256;
-
- hostname = (char *) xmalloc (hostname_size);
-
#if 0
XSetAfterFunction (x_current_display, x_trace_wire);
#endif /* ! 0 */
-
- /* Try to get the host name; if the buffer is too short, try
- again. Apparently, the only indication gethostname gives of
- whether the buffer was large enough is the presence or absence
- of a '\0' in the string. Eech. */
- for (;;)
- {
- gethostname (hostname, hostname_size - 1);
- hostname[hostname_size - 1] = '\0';
-
- /* Was the buffer large enough for gethostname to store the '\0'? */
- if (strlen (hostname) < hostname_size - 1)
- break;
-
- hostname_size <<= 1;
- hostname = (char *) xrealloc (hostname, hostname_size);
- }
+ hostname = get_system_name ();
x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size
+ strlen (hostname)
+ 2);
#endif
if (ConnectionNumber (x_current_display) != 0)
- {
- dup2 (ConnectionNumber (x_current_display), 0);
-
-#ifndef SYSV_STREAMS
- /* Streams somehow keeps track of which descriptor number
- is being used to talk to X. So it is not safe to substitute
- descriptor 0. But it is safe to make descriptor 0 a copy of it. */
- close (ConnectionNumber (x_current_display));
- ConnectionNumber (x_current_display) = 0; /* Looks a little strange?
- * check the def of the macro;
- * it is a genuine lvalue */
-#endif /* SYSV_STREAMS */
- }
+ change_keyboard_wait_descriptor (ConnectionNumber (x_current_display));
+ change_input_fd (ConnectionNumber (x_current_display));
#endif /* ! defined (HAVE_X11) */
+#ifndef F_SETOWN_BUG
#ifdef F_SETOWN
- old_fcntl_owner = fcntl (0, F_GETOWN, 0);
+ old_fcntl_owner = fcntl (ConnectionNumber (x_current_display), F_GETOWN, 0);
#ifdef F_SETOWN_SOCK_NEG
- fcntl (0, F_SETOWN, -getpid ()); /* stdin is a socket here */
+ /* stdin is a socket here */
+ fcntl (ConnectionNumber (x_current_display), F_SETOWN, -getpid ());
#else /* ! defined (F_SETOWN_SOCK_NEG) */
- fcntl (0, F_SETOWN, getpid ());
+ fcntl (ConnectionNumber (x_current_display), F_SETOWN, getpid ());
#endif /* ! defined (F_SETOWN_SOCK_NEG) */
#endif /* ! defined (F_SETOWN) */
+#endif /* F_SETOWN_BUG */
#ifdef SIGIO
init_sigio ();
#endif /* ! defined (SIGIO) */
- /* Must use interrupt input because we cannot otherwise
- arrange for C-g to be noticed immediately.
- We cannot connect it to SIGINT. */
- Fset_input_mode (Qt, Qnil, Qt, Qnil);
-
expose_all_windows = 0;
clear_frame_hook = XTclear_frame;
off the bottom */
baud_rate = 19200;
+ /* Try to use interrupt input; if we can't, then start polling. */
+ Fset_input_mode (Qt, Qnil, Qt, Qnil);
+
/* Note that there is no real way portable across R3/R4 to get the
original error handler. */
XHandleError (x_error_quitter);
syms_of_xterm ()
{
staticpro (&last_mouse_scroll_bar);
+ last_mouse_scroll_bar = Qnil;
}
#endif /* ! defined (HAVE_X11) */
#endif /* ! defined (HAVE_X_WINDOWS) */
HCoop / bpt / emacs.git / blobdiff