#endif /* not USE_TOOLKIT_SCROLL_BARS */
}
-/* This processes Expose events from the menu-bar specific X event
- loop in xmenu.c. This allows to redisplay the frame if necessary
- when handling menu-bar or pop-up items. */
-
-int
-process_expose_from_menu (event)
- XEvent event;
-{
- FRAME_PTR f;
- struct x_display_info *dpyinfo;
- int frame_exposed_p = 0;
-
- BLOCK_INPUT;
-
- dpyinfo = x_display_info_for_display (event.xexpose.display);
- f = x_window_to_frame (dpyinfo, event.xexpose.window);
- if (f)
- {
- if (f->async_visible == 0)
- {
- f->async_visible = 1;
- f->async_iconified = 0;
- f->output_data.x->has_been_visible = 1;
- SET_FRAME_GARBAGED (f);
- }
- else
- {
- expose_frame (x_window_to_frame (dpyinfo, event.xexpose.window),
- event.xexpose.x, event.xexpose.y,
- event.xexpose.width, event.xexpose.height);
- frame_exposed_p = 1;
- }
- }
- else
- {
- struct scroll_bar *bar
- = x_window_to_scroll_bar (event.xexpose.window);
-
- if (bar)
- x_scroll_bar_expose (bar, &event);
- }
-
- UNBLOCK_INPUT;
- return frame_exposed_p;
-}
\f
/* Define a queue to save up SelectionRequest events for later handling. */
#define SET_SAVED_BUTTON_EVENT SET_SAVED_MENU_EVENT (sizeof (XButtonEvent))
#define SET_SAVED_KEY_EVENT SET_SAVED_MENU_EVENT (sizeof (XKeyEvent))
-/* Read events coming from the X server.
- This routine is called by the SIGIO handler.
- We return as soon as there are no more events to be read.
- Events representing keys are stored in buffer BUFP,
- which can hold up to NUMCHARS characters.
- We return the number of characters stored into the buffer,
- thus pretending to be `read'.
+enum
+{
+ X_EVENT_NORMAL,
+ X_EVENT_GOTO_OUT,
+ X_EVENT_DROP
+};
- EXPECTED is nonzero if the caller knows input is available. */
+/* Handles the XEvent EVENT on display DPYINFO.
+
+ *FINISH is X_EVENT_GOTO_OUT if caller should stop reading events.
+ *FINISH is zero if caller should continue reading events.
+ *FINISH is X_EVENT_DROP if event should not be passed to the toolkit.
+
+ Events representing keys are stored in buffer *BUFP_R,
+ which can hold up to *NUMCHARSP characters.
+ We return the number of characters stored into the buffer. */
static int
-XTread_socket (sd, bufp, numchars, expected)
- register int sd;
- /* register */ struct input_event *bufp;
- /* register */ int numchars;
- int expected;
+handle_one_xevent (dpyinfo, eventp, bufp_r, numcharsp, finish)
+ struct x_display_info *dpyinfo;
+ XEvent *eventp;
+ /* register */ struct input_event **bufp_r;
+ /* register */ int *numcharsp;
+ int *finish;
{
int count = 0;
int nbytes = 0;
- XEvent event;
struct frame *f;
- int event_found = 0;
- struct x_display_info *dpyinfo;
struct coding_system coding;
+ struct input_event *bufp = *bufp_r;
+ int numchars = *numcharsp;
+ XEvent event = *eventp;
- if (interrupt_input_blocked)
- {
- interrupt_input_pending = 1;
- return -1;
- }
-
- interrupt_input_pending = 0;
- BLOCK_INPUT;
-
- /* So people can tell when we have read the available input. */
- input_signal_count++;
-
- if (numchars <= 0)
- abort (); /* Don't think this happens. */
-
- ++handling_signal;
+ *finish = X_EVENT_NORMAL;
- /* Find the display we are supposed to read input for.
- It's the one communicating on descriptor SD. */
- for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next)
+ switch (event.type)
{
-#if 0 /* This ought to be unnecessary; let's verify it. */
-#ifdef FIOSNBIO
- /* If available, Xlib uses FIOSNBIO to make the socket
- non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set,
- FIOSNBIO is ignored, and instead of signaling EWOULDBLOCK,
- a read returns 0, which Xlib interprets as equivalent to EPIPE. */
- fcntl (dpyinfo->connection, F_SETFL, 0);
-#endif /* ! defined (FIOSNBIO) */
-#endif
-
-#if 0 /* This code can't be made to work, with multiple displays,
- and appears not to be used on any system any more.
- Also keyboard.c doesn't turn O_NDELAY on and off
- for X connections. */
-#ifndef SIGIO
-#ifndef HAVE_SELECT
- if (! (fcntl (dpyinfo->connection, F_GETFL, 0) & O_NDELAY))
- {
- extern int read_alarm_should_throw;
- read_alarm_should_throw = 1;
- XPeekEvent (dpyinfo->display, &event);
- read_alarm_should_throw = 0;
- }
-#endif /* HAVE_SELECT */
-#endif /* SIGIO */
-#endif
-
- /* For debugging, this gives a way to fake an I/O error. */
- if (dpyinfo == XTread_socket_fake_io_error)
- {
- XTread_socket_fake_io_error = 0;
- x_io_error_quitter (dpyinfo->display);
- }
-
-#ifdef HAVE_X_SM
- BLOCK_INPUT;
- count += x_session_check_input (bufp, &numchars);
- UNBLOCK_INPUT;
-#endif
-
- while (XPending (dpyinfo->display))
- {
- XNextEvent (dpyinfo->display, &event);
-
-#ifdef HAVE_X_I18N
- {
- /* Filter events for the current X input method.
- XFilterEvent returns non-zero if the input method has
- consumed the event. We pass the frame's X window to
- XFilterEvent because that's the one for which the IC
- was created. */
- struct frame *f1 = x_any_window_to_frame (dpyinfo,
- event.xclient.window);
- if (XFilterEvent (&event, f1 ? FRAME_X_WINDOW (f1) : None))
- break;
- }
-#endif
- event_found = 1;
-
- switch (event.type)
- {
- case ClientMessage:
- {
- if (event.xclient.message_type
- == dpyinfo->Xatom_wm_protocols
- && event.xclient.format == 32)
- {
- if (event.xclient.data.l[0]
- == dpyinfo->Xatom_wm_take_focus)
- {
- /* Use x_any_window_to_frame because this
- could be the shell widget window
- if the frame has no title bar. */
- f = x_any_window_to_frame (dpyinfo, event.xclient.window);
+ case ClientMessage:
+ {
+ if (event.xclient.message_type
+ == dpyinfo->Xatom_wm_protocols
+ && event.xclient.format == 32)
+ {
+ if (event.xclient.data.l[0]
+ == dpyinfo->Xatom_wm_take_focus)
+ {
+ /* Use x_any_window_to_frame because this
+ could be the shell widget window
+ if the frame has no title bar. */
+ f = x_any_window_to_frame (dpyinfo, event.xclient.window);
#ifdef HAVE_X_I18N
- /* Not quite sure this is needed -pd */
- if (f && FRAME_XIC (f))
- XSetICFocus (FRAME_XIC (f));
+ /* Not quite sure this is needed -pd */
+ if (f && FRAME_XIC (f))
+ XSetICFocus (FRAME_XIC (f));
#endif
#if 0 /* Emacs sets WM hints whose `input' field is `true'. This
instructs the WM to set the input focus automatically for
below can generate additional FocusIn events which confuse
Emacs. */
- /* Since we set WM_TAKE_FOCUS, we must call
- XSetInputFocus explicitly. But not if f is null,
- since that might be an event for a deleted frame. */
- if (f)
- {
- Display *d = event.xclient.display;
- /* Catch and ignore errors, in case window has been
- iconified by a window manager such as GWM. */
- int count = x_catch_errors (d);
- XSetInputFocus (d, event.xclient.window,
- /* The ICCCM says this is
- the only valid choice. */
- RevertToParent,
- event.xclient.data.l[1]);
- /* This is needed to detect the error
- if there is an error. */
- XSync (d, False);
- x_uncatch_errors (d, count);
- }
- /* Not certain about handling scroll bars here */
+ /* Since we set WM_TAKE_FOCUS, we must call
+ XSetInputFocus explicitly. But not if f is null,
+ since that might be an event for a deleted frame. */
+ if (f)
+ {
+ Display *d = event.xclient.display;
+ /* Catch and ignore errors, in case window has been
+ iconified by a window manager such as GWM. */
+ int count = x_catch_errors (d);
+ XSetInputFocus (d, event.xclient.window,
+ /* The ICCCM says this is
+ the only valid choice. */
+ RevertToParent,
+ event.xclient.data.l[1]);
+ /* This is needed to detect the error
+ if there is an error. */
+ XSync (d, False);
+ x_uncatch_errors (d, count);
+ }
+ /* Not certain about handling scroll bars here */
#endif /* 0 */
- }
- else if (event.xclient.data.l[0]
- == dpyinfo->Xatom_wm_save_yourself)
- {
- /* Save state modify the WM_COMMAND property to
- something which can reinstate us. This notifies
- the session manager, who's looking for such a
- PropertyNotify. Can restart processing when
- a keyboard or mouse event arrives. */
- /* If we have a session manager, don't set this.
- KDE will then start two Emacsen, one for the
- session manager and one for this. */
- if (numchars > 0
+ }
+ else if (event.xclient.data.l[0]
+ == dpyinfo->Xatom_wm_save_yourself)
+ {
+ /* Save state modify the WM_COMMAND property to
+ something which can reinstate us. This notifies
+ the session manager, who's looking for such a
+ PropertyNotify. Can restart processing when
+ a keyboard or mouse event arrives. */
+ /* If we have a session manager, don't set this.
+ KDE will then start two Emacsen, one for the
+ session manager and one for this. */
+ if (numchars > 0
#ifdef HAVE_X_SM
- && ! x_session_have_connection ()
+ && ! x_session_have_connection ()
#endif
- )
- {
- f = x_top_window_to_frame (dpyinfo,
- event.xclient.window);
- /* This is just so we only give real data once
- for a single Emacs process. */
- if (f == SELECTED_FRAME ())
- XSetCommand (FRAME_X_DISPLAY (f),
- event.xclient.window,
- initial_argv, initial_argc);
- else if (f)
- XSetCommand (FRAME_X_DISPLAY (f),
- event.xclient.window,
- 0, 0);
- }
- }
- else if (event.xclient.data.l[0]
- == dpyinfo->Xatom_wm_delete_window)
- {
- struct frame *f
- = x_any_window_to_frame (dpyinfo,
- event.xclient.window);
-
- if (f)
- {
- if (numchars == 0)
- abort ();
-
- bufp->kind = DELETE_WINDOW_EVENT;
- XSETFRAME (bufp->frame_or_window, f);
- bufp->arg = Qnil;
- bufp++;
+ )
+ {
+ f = x_top_window_to_frame (dpyinfo,
+ event.xclient.window);
+ /* This is just so we only give real data once
+ for a single Emacs process. */
+ if (f == SELECTED_FRAME ())
+ XSetCommand (FRAME_X_DISPLAY (f),
+ event.xclient.window,
+ initial_argv, initial_argc);
+ else if (f)
+ XSetCommand (FRAME_X_DISPLAY (f),
+ event.xclient.window,
+ 0, 0);
+ }
+ }
+ else if (event.xclient.data.l[0]
+ == dpyinfo->Xatom_wm_delete_window)
+ {
+ struct frame *f
+ = x_any_window_to_frame (dpyinfo,
+ event.xclient.window);
- count += 1;
- numchars -= 1;
- }
- }
- }
- else if (event.xclient.message_type
- == dpyinfo->Xatom_wm_configure_denied)
- {
- }
- else if (event.xclient.message_type
- == dpyinfo->Xatom_wm_window_moved)
- {
- int new_x, new_y;
- struct frame *f
- = x_window_to_frame (dpyinfo, event.xclient.window);
+ if (f)
+ {
+ if (numchars == 0)
+ abort ();
- new_x = event.xclient.data.s[0];
- new_y = event.xclient.data.s[1];
+ bufp->kind = DELETE_WINDOW_EVENT;
+ XSETFRAME (bufp->frame_or_window, f);
+ bufp->arg = Qnil;
+ bufp++;
- if (f)
- {
- f->output_data.x->left_pos = new_x;
- f->output_data.x->top_pos = new_y;
- }
- }
+ count += 1;
+ numchars -= 1;
+ }
+ else
+ goto OTHER; /* May be a dialog that is to be removed */
+ }
+ }
+ else if (event.xclient.message_type
+ == dpyinfo->Xatom_wm_configure_denied)
+ {
+ }
+ else if (event.xclient.message_type
+ == dpyinfo->Xatom_wm_window_moved)
+ {
+ int new_x, new_y;
+ struct frame *f
+ = x_window_to_frame (dpyinfo, event.xclient.window);
+
+ new_x = event.xclient.data.s[0];
+ new_y = event.xclient.data.s[1];
+
+ if (f)
+ {
+ f->output_data.x->left_pos = new_x;
+ f->output_data.x->top_pos = new_y;
+ }
+ }
#ifdef HACK_EDITRES
- else if (event.xclient.message_type
- == dpyinfo->Xatom_editres)
- {
- struct frame *f
- = x_any_window_to_frame (dpyinfo, event.xclient.window);
- _XEditResCheckMessages (f->output_data.x->widget, NULL,
- &event, NULL);
- }
+ else if (event.xclient.message_type
+ == dpyinfo->Xatom_editres)
+ {
+ struct frame *f
+ = x_any_window_to_frame (dpyinfo, event.xclient.window);
+ _XEditResCheckMessages (f->output_data.x->widget, NULL,
+ &event, NULL);
+ }
#endif /* HACK_EDITRES */
- else if ((event.xclient.message_type
- == dpyinfo->Xatom_DONE)
- || (event.xclient.message_type
- == dpyinfo->Xatom_PAGE))
- {
- /* Ghostview job completed. Kill it. We could
- reply with "Next" if we received "Page", but we
- currently never do because we are interested in
- images, only, which should have 1 page. */
- Pixmap pixmap = (Pixmap) event.xclient.data.l[1];
- struct frame *f
- = x_window_to_frame (dpyinfo, event.xclient.window);
- x_kill_gs_process (pixmap, f);
- expose_frame (f, 0, 0, 0, 0);
- }
+ else if ((event.xclient.message_type
+ == dpyinfo->Xatom_DONE)
+ || (event.xclient.message_type
+ == dpyinfo->Xatom_PAGE))
+ {
+ /* Ghostview job completed. Kill it. We could
+ reply with "Next" if we received "Page", but we
+ currently never do because we are interested in
+ images, only, which should have 1 page. */
+ Pixmap pixmap = (Pixmap) event.xclient.data.l[1];
+ struct frame *f
+ = x_window_to_frame (dpyinfo, event.xclient.window);
+ x_kill_gs_process (pixmap, f);
+ expose_frame (f, 0, 0, 0, 0);
+ }
#ifdef USE_TOOLKIT_SCROLL_BARS
- /* Scroll bar callbacks send a ClientMessage from which
- we construct an input_event. */
- else if (event.xclient.message_type
- == dpyinfo->Xatom_Scrollbar)
- {
- x_scroll_bar_to_input_event (&event, bufp);
- ++bufp, ++count, --numchars;
- goto out;
- }
+ /* Scroll bar callbacks send a ClientMessage from which
+ we construct an input_event. */
+ else if (event.xclient.message_type
+ == dpyinfo->Xatom_Scrollbar)
+ {
+ x_scroll_bar_to_input_event (&event, bufp);
+ ++bufp, ++count, --numchars;
+ goto out;
+ }
#endif /* USE_TOOLKIT_SCROLL_BARS */
- else
- goto OTHER;
- }
- break;
+ else
+ goto OTHER;
+ }
+ break;
- case SelectionNotify:
+ case SelectionNotify:
#ifdef USE_X_TOOLKIT
- if (! x_window_to_frame (dpyinfo, event.xselection.requestor))
- goto OTHER;
+ if (! x_window_to_frame (dpyinfo, event.xselection.requestor))
+ goto OTHER;
#endif /* not USE_X_TOOLKIT */
- x_handle_selection_notify (&event.xselection);
- break;
+ x_handle_selection_notify (&event.xselection);
+ break;
- case SelectionClear: /* Someone has grabbed ownership. */
+ case SelectionClear: /* Someone has grabbed ownership. */
#ifdef USE_X_TOOLKIT
- if (! x_window_to_frame (dpyinfo, event.xselectionclear.window))
- goto OTHER;
+ if (! x_window_to_frame (dpyinfo, event.xselectionclear.window))
+ goto OTHER;
#endif /* USE_X_TOOLKIT */
- {
- XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event;
+ {
+ XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event;
- if (numchars == 0)
- abort ();
+ if (numchars == 0)
+ abort ();
- bufp->kind = SELECTION_CLEAR_EVENT;
- SELECTION_EVENT_DISPLAY (bufp) = eventp->display;
- SELECTION_EVENT_SELECTION (bufp) = eventp->selection;
- SELECTION_EVENT_TIME (bufp) = eventp->time;
- bufp->frame_or_window = Qnil;
- bufp->arg = Qnil;
- bufp++;
+ bufp->kind = SELECTION_CLEAR_EVENT;
+ SELECTION_EVENT_DISPLAY (bufp) = eventp->display;
+ SELECTION_EVENT_SELECTION (bufp) = eventp->selection;
+ SELECTION_EVENT_TIME (bufp) = eventp->time;
+ bufp->frame_or_window = Qnil;
+ bufp->arg = Qnil;
+ bufp++;
- count += 1;
- numchars -= 1;
- }
- break;
+ count += 1;
+ numchars -= 1;
+ }
+ break;
- case SelectionRequest: /* Someone wants our selection. */
+ case SelectionRequest: /* Someone wants our selection. */
#ifdef USE_X_TOOLKIT
- if (!x_window_to_frame (dpyinfo, event.xselectionrequest.owner))
- goto OTHER;
+ if (!x_window_to_frame (dpyinfo, event.xselectionrequest.owner))
+ goto OTHER;
#endif /* USE_X_TOOLKIT */
- if (x_queue_selection_requests)
- x_queue_event (x_window_to_frame (dpyinfo, event.xselectionrequest.owner),
- &event);
- else
- {
- XSelectionRequestEvent *eventp
- = (XSelectionRequestEvent *) &event;
-
- if (numchars == 0)
- abort ();
-
- bufp->kind = SELECTION_REQUEST_EVENT;
- SELECTION_EVENT_DISPLAY (bufp) = eventp->display;
- SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor;
- SELECTION_EVENT_SELECTION (bufp) = eventp->selection;
- SELECTION_EVENT_TARGET (bufp) = eventp->target;
- SELECTION_EVENT_PROPERTY (bufp) = eventp->property;
- SELECTION_EVENT_TIME (bufp) = eventp->time;
- bufp->frame_or_window = Qnil;
- bufp->arg = Qnil;
- bufp++;
-
- count += 1;
- numchars -= 1;
- }
- break;
+ if (x_queue_selection_requests)
+ x_queue_event (x_window_to_frame (dpyinfo, event.xselectionrequest.owner),
+ &event);
+ else
+ {
+ XSelectionRequestEvent *eventp
+ = (XSelectionRequestEvent *) &event;
+
+ if (numchars == 0)
+ abort ();
+
+ bufp->kind = SELECTION_REQUEST_EVENT;
+ SELECTION_EVENT_DISPLAY (bufp) = eventp->display;
+ SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor;
+ SELECTION_EVENT_SELECTION (bufp) = eventp->selection;
+ SELECTION_EVENT_TARGET (bufp) = eventp->target;
+ SELECTION_EVENT_PROPERTY (bufp) = eventp->property;
+ SELECTION_EVENT_TIME (bufp) = eventp->time;
+ bufp->frame_or_window = Qnil;
+ bufp->arg = Qnil;
+ bufp++;
+
+ count += 1;
+ numchars -= 1;
+ }
+ break;
- case PropertyNotify:
+ case PropertyNotify:
#if 0 /* This is plain wrong. In the case that we are waiting for a
PropertyNotify used as an ACK in incremental selection
transfer, the property will be on the receiver's window. */
#if defined USE_X_TOOLKIT
- if (!x_any_window_to_frame (dpyinfo, event.xproperty.window))
- goto OTHER;
+ if (!x_any_window_to_frame (dpyinfo, event.xproperty.window))
+ goto OTHER;
#endif
#endif
- x_handle_property_notify (&event.xproperty);
- goto OTHER;
+ x_handle_property_notify (&event.xproperty);
+ goto OTHER;
- case ReparentNotify:
- f = x_top_window_to_frame (dpyinfo, event.xreparent.window);
- if (f)
- {
- int x, y;
- f->output_data.x->parent_desc = event.xreparent.parent;
- x_real_positions (f, &x, &y);
- f->output_data.x->left_pos = x;
- f->output_data.x->top_pos = y;
- goto OTHER;
- }
- break;
+ case ReparentNotify:
+ f = x_top_window_to_frame (dpyinfo, event.xreparent.window);
+ if (f)
+ {
+ int x, y;
+ f->output_data.x->parent_desc = event.xreparent.parent;
+ x_real_positions (f, &x, &y);
+ f->output_data.x->left_pos = x;
+ f->output_data.x->top_pos = y;
+ goto OTHER;
+ }
+ break;
- case Expose:
- f = x_window_to_frame (dpyinfo, event.xexpose.window);
- if (f)
- {
- x_check_fullscreen (f);
+ case Expose:
+ f = x_window_to_frame (dpyinfo, event.xexpose.window);
+ if (f)
+ {
+ x_check_fullscreen (f);
- if (f->async_visible == 0)
- {
- f->async_visible = 1;
- f->async_iconified = 0;
- f->output_data.x->has_been_visible = 1;
- SET_FRAME_GARBAGED (f);
- }
- else
- expose_frame (x_window_to_frame (dpyinfo,
- event.xexpose.window),
- event.xexpose.x, event.xexpose.y,
- event.xexpose.width, event.xexpose.height);
- }
- else
- {
+ if (f->async_visible == 0)
+ {
+ f->async_visible = 1;
+ f->async_iconified = 0;
+ f->output_data.x->has_been_visible = 1;
+ SET_FRAME_GARBAGED (f);
+ }
+ else
+ expose_frame (x_window_to_frame (dpyinfo,
+ event.xexpose.window),
+ event.xexpose.x, event.xexpose.y,
+ event.xexpose.width, event.xexpose.height);
+ }
+ else
+ {
#ifndef USE_TOOLKIT_SCROLL_BARS
- struct scroll_bar *bar;
+ struct scroll_bar *bar;
#endif
#if defined USE_LUCID
- /* Submenus of the Lucid menu bar aren't widgets
- themselves, so there's no way to dispatch events
- to them. Recognize this case separately. */
- {
- Widget widget
- = x_window_to_menu_bar (event.xexpose.window);
- if (widget)
- xlwmenu_redisplay (widget);
- }
+ /* Submenus of the Lucid menu bar aren't widgets
+ themselves, so there's no way to dispatch events
+ to them. Recognize this case separately. */
+ {
+ Widget widget
+ = x_window_to_menu_bar (event.xexpose.window);
+ if (widget)
+ xlwmenu_redisplay (widget);
+ }
#endif /* USE_LUCID */
#ifdef USE_TOOLKIT_SCROLL_BARS
- /* Dispatch event to the widget. */
- goto OTHER;
+ /* Dispatch event to the widget. */
+ goto OTHER;
#else /* not USE_TOOLKIT_SCROLL_BARS */
- bar = x_window_to_scroll_bar (event.xexpose.window);
+ bar = x_window_to_scroll_bar (event.xexpose.window);
- if (bar)
- x_scroll_bar_expose (bar, &event);
+ if (bar)
+ x_scroll_bar_expose (bar, &event);
#ifdef USE_X_TOOLKIT
- else
- goto OTHER;
+ else
+ goto OTHER;
#endif /* USE_X_TOOLKIT */
#endif /* not USE_TOOLKIT_SCROLL_BARS */
- }
- break;
+ }
+ break;
- case GraphicsExpose: /* This occurs when an XCopyArea's
- source area was obscured or not
- available. */
- f = x_window_to_frame (dpyinfo, event.xgraphicsexpose.drawable);
- if (f)
- {
- expose_frame (f,
- event.xgraphicsexpose.x, event.xgraphicsexpose.y,
- event.xgraphicsexpose.width,
- event.xgraphicsexpose.height);
- }
+ case GraphicsExpose: /* This occurs when an XCopyArea's
+ source area was obscured or not
+ available. */
+ f = x_window_to_frame (dpyinfo, event.xgraphicsexpose.drawable);
+ if (f)
+ {
+ expose_frame (f,
+ event.xgraphicsexpose.x, event.xgraphicsexpose.y,
+ event.xgraphicsexpose.width,
+ event.xgraphicsexpose.height);
+ }
#ifdef USE_X_TOOLKIT
- else
- goto OTHER;
+ else
+ goto OTHER;
#endif /* USE_X_TOOLKIT */
- break;
-
- case NoExpose: /* This occurs when an XCopyArea's
- source area was completely
- available. */
- break;
-
- case UnmapNotify:
- /* Redo the mouse-highlight after the tooltip has gone. */
- if (event.xmap.window == tip_window)
- {
- tip_window = 0;
- redo_mouse_highlight ();
- }
+ break;
- f = x_top_window_to_frame (dpyinfo, event.xunmap.window);
- if (f) /* F may no longer exist if
- the frame was deleted. */
- {
- /* While a frame is unmapped, display generation is
- disabled; you don't want to spend time updating a
- display that won't ever be seen. */
- f->async_visible = 0;
- /* We can't distinguish, from the event, whether the window
- has become iconified or invisible. So assume, if it
- was previously visible, than now it is iconified.
- But x_make_frame_invisible clears both
- the visible flag and the iconified flag;
- and that way, we know the window is not iconified now. */
- if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f))
- {
- f->async_iconified = 1;
-
- bufp->kind = ICONIFY_EVENT;
- XSETFRAME (bufp->frame_or_window, f);
- bufp->arg = Qnil;
- bufp++;
- count++;
- numchars--;
- }
- }
- goto OTHER;
-
- case MapNotify:
- if (event.xmap.window == tip_window)
- /* The tooltip has been drawn already. Avoid
- the SET_FRAME_GARBAGED below. */
- goto OTHER;
-
- /* We use x_top_window_to_frame because map events can
- come for sub-windows and they don't mean that the
- frame is visible. */
- f = x_top_window_to_frame (dpyinfo, event.xmap.window);
- if (f)
- {
- f->async_visible = 1;
- f->async_iconified = 0;
- f->output_data.x->has_been_visible = 1;
+ case NoExpose: /* This occurs when an XCopyArea's
+ source area was completely
+ available. */
+ break;
- /* wait_reading_process_input will notice this and update
- the frame's display structures. */
- SET_FRAME_GARBAGED (f);
+ case UnmapNotify:
+ /* Redo the mouse-highlight after the tooltip has gone. */
+ if (event.xmap.window == tip_window)
+ {
+ tip_window = 0;
+ redo_mouse_highlight ();
+ }
- if (f->iconified)
- {
- bufp->kind = DEICONIFY_EVENT;
- XSETFRAME (bufp->frame_or_window, f);
- bufp->arg = Qnil;
- bufp++;
- count++;
- numchars--;
- }
- else if (! NILP (Vframe_list)
- && ! NILP (XCDR (Vframe_list)))
- /* Force a redisplay sooner or later
- to update the frame titles
- in case this is the second frame. */
- record_asynch_buffer_change ();
- }
- goto OTHER;
+ f = x_top_window_to_frame (dpyinfo, event.xunmap.window);
+ if (f) /* F may no longer exist if
+ the frame was deleted. */
+ {
+ /* While a frame is unmapped, display generation is
+ disabled; you don't want to spend time updating a
+ display that won't ever be seen. */
+ f->async_visible = 0;
+ /* We can't distinguish, from the event, whether the window
+ has become iconified or invisible. So assume, if it
+ was previously visible, than now it is iconified.
+ But x_make_frame_invisible clears both
+ the visible flag and the iconified flag;
+ and that way, we know the window is not iconified now. */
+ if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f))
+ {
+ f->async_iconified = 1;
- case KeyPress:
+ bufp->kind = ICONIFY_EVENT;
+ XSETFRAME (bufp->frame_or_window, f);
+ bufp->arg = Qnil;
+ bufp++;
+ count++;
+ numchars--;
+ }
+ }
+ goto OTHER;
+
+ case MapNotify:
+ if (event.xmap.window == tip_window)
+ /* The tooltip has been drawn already. Avoid
+ the SET_FRAME_GARBAGED below. */
+ goto OTHER;
+
+ /* We use x_top_window_to_frame because map events can
+ come for sub-windows and they don't mean that the
+ frame is visible. */
+ f = x_top_window_to_frame (dpyinfo, event.xmap.window);
+ if (f)
+ {
+ /* wait_reading_process_input will notice this and update
+ the frame's display structures.
+ If we where iconified, we should not set garbaged,
+ because that stops redrawing on Expose events. This looks
+ bad if we are called from a recursive event loop
+ (x_dispatch_event), for example when a dialog is up. */
+ if (! f->async_iconified)
+ SET_FRAME_GARBAGED (f);
+
+ f->async_visible = 1;
+ f->async_iconified = 0;
+ f->output_data.x->has_been_visible = 1;
+
+ if (f->iconified)
+ {
+ bufp->kind = DEICONIFY_EVENT;
+ XSETFRAME (bufp->frame_or_window, f);
+ bufp->arg = Qnil;
+ bufp++;
+ count++;
+ numchars--;
+ }
+ else if (! NILP (Vframe_list)
+ && ! NILP (XCDR (Vframe_list)))
+ /* Force a redisplay sooner or later
+ to update the frame titles
+ in case this is the second frame. */
+ record_asynch_buffer_change ();
+ }
+ goto OTHER;
- /* Dispatch KeyPress events when in menu. */
- if (popup_activated_flag)
- goto OTHER;
+ case KeyPress:
- f = x_any_window_to_frame (dpyinfo, event.xkey.window);
+ /* Dispatch KeyPress events when in menu. */
+ if (popup_activated_flag)
+ goto OTHER;
+ f = x_any_window_to_frame (dpyinfo, event.xkey.window);
- if (!dpyinfo->mouse_face_hidden && INTEGERP (Vmouse_highlight))
- {
- dpyinfo->mouse_face_hidden = 1;
- clear_mouse_face (dpyinfo);
- }
+ if (!dpyinfo->mouse_face_hidden && INTEGERP (Vmouse_highlight))
+ {
+ dpyinfo->mouse_face_hidden = 1;
+ clear_mouse_face (dpyinfo);
+ }
#if defined USE_MOTIF && defined USE_TOOLKIT_SCROLL_BARS
- if (f == 0)
- {
- /* Scroll bars consume key events, but we want
- the keys to go to the scroll bar's frame. */
- Widget widget = XtWindowToWidget (dpyinfo->display,
- event.xkey.window);
- if (widget && XmIsScrollBar (widget))
- {
- widget = XtParent (widget);
- f = x_any_window_to_frame (dpyinfo, XtWindow (widget));
- }
- }
+ if (f == 0)
+ {
+ /* Scroll bars consume key events, but we want
+ the keys to go to the scroll bar's frame. */
+ Widget widget = XtWindowToWidget (dpyinfo->display,
+ event.xkey.window);
+ if (widget && XmIsScrollBar (widget))
+ {
+ widget = XtParent (widget);
+ f = x_any_window_to_frame (dpyinfo, XtWindow (widget));
+ }
+ }
#endif /* USE_MOTIF and USE_TOOLKIT_SCROLL_BARS */
- if (f != 0)
- {
- KeySym keysym, orig_keysym;
- /* al%imercury@uunet.uu.net says that making this 81
- instead of 80 fixed a bug whereby meta chars made
- his Emacs hang.
-
- It seems that some version of XmbLookupString has
- a bug of not returning XBufferOverflow in
- status_return even if the input is too long to
- fit in 81 bytes. So, we must prepare sufficient
- bytes for copy_buffer. 513 bytes (256 chars for
- two-byte character set) seems to be a fairly good
- approximation. -- 2000.8.10 handa@etl.go.jp */
- unsigned char copy_buffer[513];
- unsigned char *copy_bufptr = copy_buffer;
- int copy_bufsiz = sizeof (copy_buffer);
- int modifiers;
- Lisp_Object coding_system = Qlatin_1;
-
- event.xkey.state
- |= x_emacs_to_x_modifiers (FRAME_X_DISPLAY_INFO (f),
- extra_keyboard_modifiers);
- modifiers = event.xkey.state;
-
- /* This will have to go some day... */
-
- /* make_lispy_event turns chars into control chars.
- Don't do it here because XLookupString is too eager. */
- event.xkey.state &= ~ControlMask;
- event.xkey.state &= ~(dpyinfo->meta_mod_mask
- | dpyinfo->super_mod_mask
- | dpyinfo->hyper_mod_mask
- | dpyinfo->alt_mod_mask);
-
- /* In case Meta is ComposeCharacter,
- clear its status. According to Markus Ehrnsperger
- Markus.Ehrnsperger@lehrstuhl-bross.physik.uni-muenchen.de
- this enables ComposeCharacter to work whether or
- not it is combined with Meta. */
- if (modifiers & dpyinfo->meta_mod_mask)
- bzero (&compose_status, sizeof (compose_status));
+ if (f != 0)
+ {
+ KeySym keysym, orig_keysym;
+ /* al%imercury@uunet.uu.net says that making this 81
+ instead of 80 fixed a bug whereby meta chars made
+ his Emacs hang.
+
+ It seems that some version of XmbLookupString has
+ a bug of not returning XBufferOverflow in
+ status_return even if the input is too long to
+ fit in 81 bytes. So, we must prepare sufficient
+ bytes for copy_buffer. 513 bytes (256 chars for
+ two-byte character set) seems to be a fairly good
+ approximation. -- 2000.8.10 handa@etl.go.jp */
+ unsigned char copy_buffer[513];
+ unsigned char *copy_bufptr = copy_buffer;
+ int copy_bufsiz = sizeof (copy_buffer);
+ int modifiers;
+ Lisp_Object coding_system = Qlatin_1;
+
+ event.xkey.state
+ |= x_emacs_to_x_modifiers (FRAME_X_DISPLAY_INFO (f),
+ extra_keyboard_modifiers);
+ modifiers = event.xkey.state;
+
+ /* This will have to go some day... */
+
+ /* make_lispy_event turns chars into control chars.
+ Don't do it here because XLookupString is too eager. */
+ event.xkey.state &= ~ControlMask;
+ event.xkey.state &= ~(dpyinfo->meta_mod_mask
+ | dpyinfo->super_mod_mask
+ | dpyinfo->hyper_mod_mask
+ | dpyinfo->alt_mod_mask);
+
+ /* In case Meta is ComposeCharacter,
+ clear its status. According to Markus Ehrnsperger
+ Markus.Ehrnsperger@lehrstuhl-bross.physik.uni-muenchen.de
+ this enables ComposeCharacter to work whether or
+ not it is combined with Meta. */
+ if (modifiers & dpyinfo->meta_mod_mask)
+ bzero (&compose_status, sizeof (compose_status));
#ifdef HAVE_X_I18N
- if (FRAME_XIC (f))
- {
- Status status_return;
-
- coding_system = Vlocale_coding_system;
- nbytes = XmbLookupString (FRAME_XIC (f),
- &event.xkey, copy_bufptr,
- copy_bufsiz, &keysym,
- &status_return);
- if (status_return == XBufferOverflow)
- {
- copy_bufsiz = nbytes + 1;
- copy_bufptr = (char *) alloca (copy_bufsiz);
- nbytes = XmbLookupString (FRAME_XIC (f),
- &event.xkey, copy_bufptr,
- copy_bufsiz, &keysym,
- &status_return);
- }
-/* Xutf8LookupString is a new but already deprecated interface. -stef */
+ if (FRAME_XIC (f))
+ {
+ Status status_return;
+
+ coding_system = Vlocale_coding_system;
+ nbytes = XmbLookupString (FRAME_XIC (f),
+ &event.xkey, copy_bufptr,
+ copy_bufsiz, &keysym,
+ &status_return);
+ if (status_return == XBufferOverflow)
+ {
+ copy_bufsiz = nbytes + 1;
+ copy_bufptr = (char *) alloca (copy_bufsiz);
+ nbytes = XmbLookupString (FRAME_XIC (f),
+ &event.xkey, copy_bufptr,
+ copy_bufsiz, &keysym,
+ &status_return);
+ }
+ /* Xutf8LookupString is a new but already deprecated interface. -stef */
#if 0 && defined X_HAVE_UTF8_STRING
- else if (status_return == XLookupKeySym)
- { /* Try again but with utf-8. */
- coding_system = Qutf_8;
- nbytes = Xutf8LookupString (FRAME_XIC (f),
- &event.xkey, copy_bufptr,
- copy_bufsiz, &keysym,
- &status_return);
- if (status_return == XBufferOverflow)
- {
- copy_bufsiz = nbytes + 1;
- copy_bufptr = (char *) alloca (copy_bufsiz);
- nbytes = Xutf8LookupString (FRAME_XIC (f),
- &event.xkey,
- copy_bufptr,
- copy_bufsiz, &keysym,
- &status_return);
- }
- }
+ else if (status_return == XLookupKeySym)
+ { /* Try again but with utf-8. */
+ coding_system = Qutf_8;
+ nbytes = Xutf8LookupString (FRAME_XIC (f),
+ &event.xkey, copy_bufptr,
+ copy_bufsiz, &keysym,
+ &status_return);
+ if (status_return == XBufferOverflow)
+ {
+ copy_bufsiz = nbytes + 1;
+ copy_bufptr = (char *) alloca (copy_bufsiz);
+ nbytes = Xutf8LookupString (FRAME_XIC (f),
+ &event.xkey,
+ copy_bufptr,
+ copy_bufsiz, &keysym,
+ &status_return);
+ }
+ }
#endif
- if (status_return == XLookupNone)
- break;
- else if (status_return == XLookupChars)
- {
- keysym = NoSymbol;
- modifiers = 0;
- }
- else if (status_return != XLookupKeySym
- && status_return != XLookupBoth)
- abort ();
- }
- else
- nbytes = XLookupString (&event.xkey, copy_bufptr,
- copy_bufsiz, &keysym,
- &compose_status);
+ if (status_return == XLookupNone)
+ break;
+ else if (status_return == XLookupChars)
+ {
+ keysym = NoSymbol;
+ modifiers = 0;
+ }
+ else if (status_return != XLookupKeySym
+ && status_return != XLookupBoth)
+ abort ();
+ }
+ else
+ nbytes = XLookupString (&event.xkey, copy_bufptr,
+ copy_bufsiz, &keysym,
+ &compose_status);
#else
- nbytes = XLookupString (&event.xkey, copy_bufptr,
- copy_bufsiz, &keysym,
- &compose_status);
+ nbytes = XLookupString (&event.xkey, copy_bufptr,
+ copy_bufsiz, &keysym,
+ &compose_status);
#endif
- orig_keysym = keysym;
+ orig_keysym = keysym;
- if (numchars > 1)
- {
- Lisp_Object c;
-
- /* First deal with keysyms which have defined
- translations to characters. */
- if (keysym >= 32 && keysym < 128)
- /* Avoid explicitly decoding each ASCII character. */
- {
- bufp->kind = ASCII_KEYSTROKE_EVENT;
- bufp->code = keysym;
- XSETFRAME (bufp->frame_or_window, f);
- bufp->arg = Qnil;
- bufp->modifiers
- = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f),
- modifiers);
- bufp->timestamp = event.xkey.time;
- bufp++;
- count++;
- numchars--;
- }
- /* Now non-ASCII. */
- else if (HASH_TABLE_P (Vx_keysym_table)
- && (NATNUMP (c = Fgethash (make_number (keysym),
- Vx_keysym_table,
- Qnil))))
- {
- bufp->kind = (SINGLE_BYTE_CHAR_P (XFASTINT (c))
- ? ASCII_KEYSTROKE_EVENT
- : MULTIBYTE_CHAR_KEYSTROKE_EVENT);
- bufp->code = XFASTINT (c);
- XSETFRAME (bufp->frame_or_window, f);
- bufp->arg = Qnil;
- bufp->modifiers
- = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f),
- modifiers);
- bufp->timestamp = event.xkey.time;
- bufp++;
- count++;
- numchars--;
- }
- /* Random non-modifier sorts of keysyms. */
- else if (((keysym >= XK_BackSpace && keysym <= XK_Escape)
- || keysym == XK_Delete
+ if (numchars > 1)
+ {
+ Lisp_Object c;
+
+ /* First deal with keysyms which have defined
+ translations to characters. */
+ if (keysym >= 32 && keysym < 128)
+ /* Avoid explicitly decoding each ASCII character. */
+ {
+ bufp->kind = ASCII_KEYSTROKE_EVENT;
+ bufp->code = keysym;
+ XSETFRAME (bufp->frame_or_window, f);
+ bufp->arg = Qnil;
+ bufp->modifiers
+ = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f),
+ modifiers);
+ bufp->timestamp = event.xkey.time;
+ bufp++;
+ count++;
+ numchars--;
+ }
+ /* Now non-ASCII. */
+ else if (HASH_TABLE_P (Vx_keysym_table)
+ && (NATNUMP (c = Fgethash (make_number (keysym),
+ Vx_keysym_table,
+ Qnil))))
+ {
+ bufp->kind = (SINGLE_BYTE_CHAR_P (XFASTINT (c))
+ ? ASCII_KEYSTROKE_EVENT
+ : MULTIBYTE_CHAR_KEYSTROKE_EVENT);
+ bufp->code = XFASTINT (c);
+ XSETFRAME (bufp->frame_or_window, f);
+ bufp->arg = Qnil;
+ bufp->modifiers
+ = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f),
+ modifiers);
+ bufp->timestamp = event.xkey.time;
+ bufp++;
+ count++;
+ numchars--;
+ }
+ /* Random non-modifier sorts of keysyms. */
+ else if (((keysym >= XK_BackSpace && keysym <= XK_Escape)
+ || keysym == XK_Delete
#ifdef XK_ISO_Left_Tab
- || (keysym >= XK_ISO_Left_Tab
- && keysym <= XK_ISO_Enter)
+ || (keysym >= XK_ISO_Left_Tab
+ && keysym <= XK_ISO_Enter)
#endif
- || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */
- || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */
+ || 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. */
- || ((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
+ || orig_keysym == XK_dead_circumflex
#endif
#ifdef XK_dead_grave
- || orig_keysym == XK_dead_grave
+ || orig_keysym == XK_dead_grave
#endif
#ifdef XK_dead_tilde
- || orig_keysym == XK_dead_tilde
+ || orig_keysym == XK_dead_tilde
#endif
#ifdef XK_dead_diaeresis
- || orig_keysym == XK_dead_diaeresis
+ || orig_keysym == XK_dead_diaeresis
#endif
#ifdef XK_dead_macron
- || orig_keysym == XK_dead_macron
+ || orig_keysym == XK_dead_macron
#endif
#ifdef XK_dead_degree
- || orig_keysym == XK_dead_degree
+ || orig_keysym == XK_dead_degree
#endif
#ifdef XK_dead_acute
- || orig_keysym == XK_dead_acute
+ || orig_keysym == XK_dead_acute
#endif
#ifdef XK_dead_cedilla
- || orig_keysym == XK_dead_cedilla
+ || orig_keysym == XK_dead_cedilla
#endif
#ifdef XK_dead_breve
- || orig_keysym == XK_dead_breve
+ || orig_keysym == XK_dead_breve
#endif
#ifdef XK_dead_ogonek
- || orig_keysym == XK_dead_ogonek
+ || orig_keysym == XK_dead_ogonek
#endif
#ifdef XK_dead_caron
- || orig_keysym == XK_dead_caron
+ || orig_keysym == XK_dead_caron
#endif
#ifdef XK_dead_doubleacute
- || orig_keysym == XK_dead_doubleacute
+ || orig_keysym == XK_dead_doubleacute
#endif
#ifdef XK_dead_abovedot
- || orig_keysym == XK_dead_abovedot
+ || orig_keysym == XK_dead_abovedot
#endif
- || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */
- || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */
- /* Any "vendor-specific" key is ok. */
- || (orig_keysym & (1 << 28))
- || (keysym != NoSymbol && nbytes == 0))
- && ! (IsModifierKey (orig_keysym)
+ || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */
+ || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */
+ /* Any "vendor-specific" key is ok. */
+ || (orig_keysym & (1 << 28))
+ || (keysym != NoSymbol && nbytes == 0))
+ && ! (IsModifierKey (orig_keysym)
#ifndef HAVE_X11R5
#ifdef XK_Mode_switch
- || ((unsigned)(orig_keysym) == XK_Mode_switch)
+ || ((unsigned)(orig_keysym) == XK_Mode_switch)
#endif
#ifdef XK_Num_Lock
- || ((unsigned)(orig_keysym) == XK_Num_Lock)
+ || ((unsigned)(orig_keysym) == XK_Num_Lock)
#endif
#endif /* not HAVE_X11R5 */
- /* The symbols from XK_ISO_Lock
- to XK_ISO_Last_Group_Lock
- don't have real modifiers but
- should be treated similarly to
- Mode_switch by Emacs. */
+ /* The symbols from XK_ISO_Lock
+ to XK_ISO_Last_Group_Lock
+ don't have real modifiers but
+ should be treated similarly to
+ Mode_switch by Emacs. */
#if defined XK_ISO_Lock && defined XK_ISO_Last_Group_Lock
- || ((unsigned)(orig_keysym)
- >= XK_ISO_Lock
- && (unsigned)(orig_keysym)
- <= XK_ISO_Last_Group_Lock)
+ || ((unsigned)(orig_keysym)
+ >= XK_ISO_Lock
+ && (unsigned)(orig_keysym)
+ <= XK_ISO_Last_Group_Lock)
#endif
- ))
- {
- if (temp_index == sizeof temp_buffer / sizeof (short))
- temp_index = 0;
- temp_buffer[temp_index++] = keysym;
- /* make_lispy_event will convert this to a symbolic
- key. */
- bufp->kind = NON_ASCII_KEYSTROKE_EVENT;
- bufp->code = keysym;
- XSETFRAME (bufp->frame_or_window, f);
- bufp->arg = Qnil;
- bufp->modifiers
- = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f),
- modifiers);
- bufp->timestamp = event.xkey.time;
- bufp++;
- count++;
- numchars--;
- }
- else if (numchars > nbytes)
- { /* Raw bytes, not keysym. */
- register int i;
- register int c;
- int nchars, len;
-
- /* The input should be decoded with `coding_system'
- which depends on which X*LookupString function
- we used just above and the locale. */
- setup_coding_system (coding_system, &coding);
- coding.src_multibyte = 0;
- coding.dst_multibyte = 1;
- /* The input is converted to events, thus we can't
- handle composition. Anyway, there's no XIM that
- gives us composition information. */
- coding.composing = COMPOSITION_DISABLED;
-
- for (i = 0; i < nbytes; i++)
- {
- if (temp_index == (sizeof temp_buffer
- / sizeof (short)))
- temp_index = 0;
- temp_buffer[temp_index++] = copy_bufptr[i];
- }
+ ))
+ {
+ if (temp_index == sizeof temp_buffer / sizeof (short))
+ temp_index = 0;
+ temp_buffer[temp_index++] = keysym;
+ /* make_lispy_event will convert this to a symbolic
+ key. */
+ bufp->kind = NON_ASCII_KEYSTROKE_EVENT;
+ bufp->code = keysym;
+ XSETFRAME (bufp->frame_or_window, f);
+ bufp->arg = Qnil;
+ bufp->modifiers
+ = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f),
+ modifiers);
+ bufp->timestamp = event.xkey.time;
+ bufp++;
+ count++;
+ numchars--;
+ }
+ else if (numchars > nbytes)
+ { /* Raw bytes, not keysym. */
+ register int i;
+ register int c;
+ int nchars, len;
+
+ /* The input should be decoded with `coding_system'
+ which depends on which X*LookupString function
+ we used just above and the locale. */
+ setup_coding_system (coding_system, &coding);
+ coding.src_multibyte = 0;
+ coding.dst_multibyte = 1;
+ /* The input is converted to events, thus we can't
+ handle composition. Anyway, there's no XIM that
+ gives us composition information. */
+ coding.composing = COMPOSITION_DISABLED;
+
+ for (i = 0; i < nbytes; i++)
+ {
+ if (temp_index == (sizeof temp_buffer
+ / sizeof (short)))
+ temp_index = 0;
+ temp_buffer[temp_index++] = copy_bufptr[i];
+ }
- {
- /* Decode the input data. */
- int require;
- unsigned char *p;
-
- require = decoding_buffer_size (&coding, nbytes);
- p = (unsigned char *) alloca (require);
- coding.mode |= CODING_MODE_LAST_BLOCK;
- /* We explicitely disable composition
- handling because key data should
- not contain any composition
- sequence. */
- coding.composing = COMPOSITION_DISABLED;
- decode_coding (&coding, copy_bufptr, p,
- nbytes, require);
- nbytes = coding.produced;
- nchars = coding.produced_char;
- copy_bufptr = p;
- }
+ {
+ /* Decode the input data. */
+ int require;
+ unsigned char *p;
+
+ require = decoding_buffer_size (&coding, nbytes);
+ p = (unsigned char *) alloca (require);
+ coding.mode |= CODING_MODE_LAST_BLOCK;
+ /* We explicitely disable composition
+ handling because key data should
+ not contain any composition
+ sequence. */
+ coding.composing = COMPOSITION_DISABLED;
+ decode_coding (&coding, copy_bufptr, p,
+ nbytes, require);
+ nbytes = coding.produced;
+ nchars = coding.produced_char;
+ copy_bufptr = p;
+ }
- /* Convert the input data to a sequence of
- character events. */
- for (i = 0; i < nbytes; i += len)
- {
- if (nchars == nbytes)
- c = copy_bufptr[i], len = 1;
- else
- c = STRING_CHAR_AND_LENGTH (copy_bufptr + i,
- nbytes - i, len);
-
- bufp->kind = (SINGLE_BYTE_CHAR_P (c)
- ? ASCII_KEYSTROKE_EVENT
- : MULTIBYTE_CHAR_KEYSTROKE_EVENT);
- bufp->code = c;
- XSETFRAME (bufp->frame_or_window, f);
- bufp->arg = Qnil;
- bufp->modifiers
- = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f),
- modifiers);
- bufp->timestamp = event.xkey.time;
- bufp++;
- }
-
- count += nchars;
- numchars -= nchars;
-
- if (keysym == NoSymbol)
- break;
- }
- else
- abort ();
- }
- else
- abort ();
- }
+ /* Convert the input data to a sequence of
+ character events. */
+ for (i = 0; i < nbytes; i += len)
+ {
+ if (nchars == nbytes)
+ c = copy_bufptr[i], len = 1;
+ else
+ c = STRING_CHAR_AND_LENGTH (copy_bufptr + i,
+ nbytes - i, len);
+
+ bufp->kind = (SINGLE_BYTE_CHAR_P (c)
+ ? ASCII_KEYSTROKE_EVENT
+ : MULTIBYTE_CHAR_KEYSTROKE_EVENT);
+ bufp->code = c;
+ XSETFRAME (bufp->frame_or_window, f);
+ bufp->arg = Qnil;
+ bufp->modifiers
+ = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f),
+ modifiers);
+ bufp->timestamp = event.xkey.time;
+ bufp++;
+ }
+
+ count += nchars;
+ numchars -= nchars;
+
+ if (keysym == NoSymbol)
+ break;
+ }
+ else
+ abort ();
+ }
+ else
+ abort ();
+ }
#ifdef HAVE_X_I18N
- /* Don't dispatch this event since XtDispatchEvent calls
- XFilterEvent, and two calls in a row may freeze the
- client. */
- break;
+ /* Don't dispatch this event since XtDispatchEvent calls
+ XFilterEvent, and two calls in a row may freeze the
+ client. */
+ break;
#else
- goto OTHER;
+ goto OTHER;
#endif
- case KeyRelease:
+ case KeyRelease:
#ifdef HAVE_X_I18N
- /* Don't dispatch this event since XtDispatchEvent calls
- XFilterEvent, and two calls in a row may freeze the
- client. */
- break;
+ /* Don't dispatch this event since XtDispatchEvent calls
+ XFilterEvent, and two calls in a row may freeze the
+ client. */
+ break;
#else
- goto OTHER;
+ goto OTHER;
#endif
- case EnterNotify:
- {
- int n;
+ case EnterNotify:
+ {
+ int n;
- n = x_detect_focus_change (dpyinfo, &event, bufp, numchars);
- if (n > 0)
- {
- bufp += n, count += n, numchars -= n;
- }
+ n = x_detect_focus_change (dpyinfo, &event, bufp, numchars);
+ if (n > 0)
+ {
+ bufp += n, count += n, numchars -= n;
+ }
- f = x_any_window_to_frame (dpyinfo, event.xcrossing.window);
+ f = x_any_window_to_frame (dpyinfo, event.xcrossing.window);
#if 0
- if (event.xcrossing.focus)
- {
- /* Avoid nasty pop/raise loops. */
- if (f && (!(f->auto_raise)
- || !(f->auto_lower)
- || (event.xcrossing.time - enter_timestamp) > 500))
- {
- x_new_focus_frame (dpyinfo, f);
- enter_timestamp = event.xcrossing.time;
- }
- }
- else if (f == dpyinfo->x_focus_frame)
- x_new_focus_frame (dpyinfo, 0);
-#endif
-
- /* EnterNotify counts as mouse movement,
- so update things that depend on mouse position. */
- if (f && !f->output_data.x->hourglass_p)
- note_mouse_movement (f, &event.xmotion);
- goto OTHER;
- }
-
- case FocusIn:
+ if (event.xcrossing.focus)
+ {
+ /* Avoid nasty pop/raise loops. */
+ if (f && (!(f->auto_raise)
+ || !(f->auto_lower)
+ || (event.xcrossing.time - enter_timestamp) > 500))
{
- int n;
-
- n = x_detect_focus_change (dpyinfo, &event, bufp, numchars);
- if (n > 0)
- {
- bufp += n, count += n, numchars -= n;
- }
+ x_new_focus_frame (dpyinfo, f);
+ enter_timestamp = event.xcrossing.time;
}
+ }
+ else if (f == dpyinfo->x_focus_frame)
+ x_new_focus_frame (dpyinfo, 0);
+#endif
- goto OTHER;
-
- case LeaveNotify:
- {
- int n;
+ /* EnterNotify counts as mouse movement,
+ so update things that depend on mouse position. */
+ if (f && !f->output_data.x->hourglass_p)
+ note_mouse_movement (f, &event.xmotion);
+ goto OTHER;
+ }
- n = x_detect_focus_change (dpyinfo, &event, bufp, numchars);
- if (n > 0)
- {
- bufp += n, count += n, numchars -= n;
- }
- }
+ case FocusIn:
+ {
+ int n;
- f = x_top_window_to_frame (dpyinfo, event.xcrossing.window);
- if (f)
- {
- if (f == dpyinfo->mouse_face_mouse_frame)
- {
- /* If we move outside the frame, then we're
- certainly no longer on any text in the frame. */
- clear_mouse_face (dpyinfo);
- dpyinfo->mouse_face_mouse_frame = 0;
- }
+ n = x_detect_focus_change (dpyinfo, &event, bufp, numchars);
+ if (n > 0)
+ {
+ bufp += n, count += n, numchars -= n;
+ }
+ }
- /* Generate a nil HELP_EVENT to cancel a help-echo.
- Do it only if there's something to cancel.
- Otherwise, the startup message is cleared when
- the mouse leaves the frame. */
- if (any_help_event_p)
- {
- Lisp_Object frame;
- int n;
-
- XSETFRAME (frame, f);
- help_echo = Qnil;
- n = gen_help_event (bufp, numchars,
- Qnil, frame, Qnil, Qnil, 0);
- bufp += n, count += n, numchars -= n;
- }
+ goto OTHER;
- }
- goto OTHER;
+ case LeaveNotify:
+ {
+ int n;
- case FocusOut:
- {
- int n;
+ n = x_detect_focus_change (dpyinfo, &event, bufp, numchars);
+ if (n > 0)
+ {
+ bufp += n, count += n, numchars -= n;
+ }
+ }
- n = x_detect_focus_change (dpyinfo, &event, bufp, numchars);
- if (n > 0)
- {
- bufp += n, count += n, numchars -= n;
- }
- }
+ f = x_top_window_to_frame (dpyinfo, event.xcrossing.window);
+ if (f)
+ {
+ if (f == dpyinfo->mouse_face_mouse_frame)
+ {
+ /* If we move outside the frame, then we're
+ certainly no longer on any text in the frame. */
+ clear_mouse_face (dpyinfo);
+ dpyinfo->mouse_face_mouse_frame = 0;
+ }
- goto OTHER;
+ /* Generate a nil HELP_EVENT to cancel a help-echo.
+ Do it only if there's something to cancel.
+ Otherwise, the startup message is cleared when
+ the mouse leaves the frame. */
+ if (any_help_event_p)
+ {
+ Lisp_Object frame;
+ int n;
+
+ XSETFRAME (frame, f);
+ help_echo = Qnil;
+ n = gen_help_event (bufp, numchars,
+ Qnil, frame, Qnil, Qnil, 0);
+ bufp += n, count += n, numchars -= n;
+ }
- case MotionNotify:
- {
- previous_help_echo = help_echo;
- help_echo = help_echo_object = help_echo_window = Qnil;
- help_echo_pos = -1;
+ }
+ goto OTHER;
- if (dpyinfo->grabbed && last_mouse_frame
- && FRAME_LIVE_P (last_mouse_frame))
- f = last_mouse_frame;
- else
- f = x_window_to_frame (dpyinfo, event.xmotion.window);
+ case FocusOut:
+ {
+ int n;
- if (dpyinfo->mouse_face_hidden)
- {
- dpyinfo->mouse_face_hidden = 0;
- clear_mouse_face (dpyinfo);
- }
+ n = x_detect_focus_change (dpyinfo, &event, bufp, numchars);
+ if (n > 0)
+ {
+ bufp += n, count += n, numchars -= n;
+ }
+ }
- if (f)
- {
+ goto OTHER;
- /* Generate SELECT_WINDOW_EVENTs when needed. */
- if (mouse_autoselect_window)
- {
- Lisp_Object window;
- int area;
-
- window = window_from_coordinates (f,
- event.xmotion.x, event.xmotion.y,
- &area, 0);
-
- /* Window will be selected only when it is not selected now and
- last mouse movement event was not in it. Minibuffer window
- will be selected iff it is active. */
- if (WINDOWP(window)
- && !EQ (window, last_window)
- && !EQ (window, selected_window)
- && numchars > 0)
- {
- bufp->kind = SELECT_WINDOW_EVENT;
- bufp->frame_or_window = window;
- bufp->arg = Qnil;
- ++bufp, ++count, --numchars;
- }
+ case MotionNotify:
+ {
+ previous_help_echo = help_echo;
+ help_echo = help_echo_object = help_echo_window = Qnil;
+ help_echo_pos = -1;
+
+ if (dpyinfo->grabbed && last_mouse_frame
+ && FRAME_LIVE_P (last_mouse_frame))
+ f = last_mouse_frame;
+ else
+ f = x_window_to_frame (dpyinfo, event.xmotion.window);
+
+ if (dpyinfo->mouse_face_hidden)
+ {
+ dpyinfo->mouse_face_hidden = 0;
+ clear_mouse_face (dpyinfo);
+ }
+
+ if (f)
+ {
+
+ /* Generate SELECT_WINDOW_EVENTs when needed. */
+ if (mouse_autoselect_window)
+ {
+ Lisp_Object window;
+ int area;
+
+ window = window_from_coordinates (f,
+ event.xmotion.x, event.xmotion.y,
+ &area, 0);
+
+ /* Window will be selected only when it is not selected now and
+ last mouse movement event was not in it. Minibuffer window
+ will be selected iff it is active. */
+ if (WINDOWP(window)
+ && !EQ (window, last_window)
+ && !EQ (window, selected_window)
+ && numchars > 0)
+ {
+ bufp->kind = SELECT_WINDOW_EVENT;
+ bufp->frame_or_window = window;
+ bufp->arg = Qnil;
+ ++bufp, ++count, --numchars;
+ }
- last_window=window;
- }
- note_mouse_movement (f, &event.xmotion);
- }
- else
- {
+ last_window=window;
+ }
+ note_mouse_movement (f, &event.xmotion);
+ }
+ else
+ {
#ifndef USE_TOOLKIT_SCROLL_BARS
- 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);
+ if (bar)
+ x_scroll_bar_note_movement (bar, &event);
#endif /* USE_TOOLKIT_SCROLL_BARS */
- /* If we move outside the frame, then we're
- certainly no longer on any text in the frame. */
- clear_mouse_face (dpyinfo);
- }
-
- /* If the contents of the global variable help_echo
- has changed, generate a HELP_EVENT. */
- if (!NILP (help_echo)
- || !NILP (previous_help_echo))
- {
- Lisp_Object frame;
- int n;
-
- if (f)
- XSETFRAME (frame, f);
- else
- frame = Qnil;
-
- any_help_event_p = 1;
- n = gen_help_event (bufp, numchars, help_echo, frame,
- help_echo_window, help_echo_object,
- help_echo_pos);
- bufp += n, count += n, numchars -= n;
- }
-
- goto OTHER;
- }
+ /* If we move outside the frame, then we're
+ certainly no longer on any text in the frame. */
+ clear_mouse_face (dpyinfo);
+ }
+
+ /* If the contents of the global variable help_echo
+ has changed, generate a HELP_EVENT. */
+ if (!NILP (help_echo)
+ || !NILP (previous_help_echo))
+ {
+ Lisp_Object frame;
+ int n;
+
+ if (f)
+ XSETFRAME (frame, f);
+ else
+ frame = Qnil;
+
+ any_help_event_p = 1;
+ n = gen_help_event (bufp, numchars, help_echo, frame,
+ help_echo_window, help_echo_object,
+ help_echo_pos);
+ bufp += n, count += n, numchars -= n;
+ }
+
+ goto OTHER;
+ }
- case ConfigureNotify:
- f = x_top_window_to_frame (dpyinfo, event.xconfigure.window);
- if (f)
- {
+ case ConfigureNotify:
+ f = x_top_window_to_frame (dpyinfo, event.xconfigure.window);
+ if (f)
+ {
#ifndef USE_X_TOOLKIT
- /* If there is a pending resize for fullscreen, don't
- do this one, the right one will come later.
- The toolkit version doesn't seem to need this, but we
- need to reset it below. */
- int dont_resize =
- ((f->output_data.x->want_fullscreen & FULLSCREEN_WAIT)
- && FRAME_NEW_WIDTH (f) != 0);
- int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height);
- int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width);
- if (dont_resize)
- goto OTHER;
-
- /* In the toolkit version, change_frame_size
- is called by the code that handles resizing
- of the EmacsFrame widget. */
-
- /* Even if the number of character rows and columns has
- not changed, the font size may have changed, so we need
- to check the pixel dimensions as well. */
- if (columns != f->width
- || rows != f->height
- || event.xconfigure.width != f->output_data.x->pixel_width
- || event.xconfigure.height != f->output_data.x->pixel_height)
- {
- change_frame_size (f, rows, columns, 0, 1, 0);
- SET_FRAME_GARBAGED (f);
- cancel_mouse_face (f);
- }
+ /* If there is a pending resize for fullscreen, don't
+ do this one, the right one will come later.
+ The toolkit version doesn't seem to need this, but we
+ need to reset it below. */
+ int dont_resize =
+ ((f->output_data.x->want_fullscreen & FULLSCREEN_WAIT)
+ && FRAME_NEW_WIDTH (f) != 0);
+ int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height);
+ int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width);
+ if (dont_resize)
+ goto OTHER;
+
+ /* In the toolkit version, change_frame_size
+ is called by the code that handles resizing
+ of the EmacsFrame widget. */
+
+ /* Even if the number of character rows and columns has
+ not changed, the font size may have changed, so we need
+ to check the pixel dimensions as well. */
+ if (columns != f->width
+ || rows != f->height
+ || event.xconfigure.width != f->output_data.x->pixel_width
+ || event.xconfigure.height != f->output_data.x->pixel_height)
+ {
+ change_frame_size (f, rows, columns, 0, 1, 0);
+ SET_FRAME_GARBAGED (f);
+ cancel_mouse_face (f);
+ }
#endif
- f->output_data.x->pixel_width = event.xconfigure.width;
- f->output_data.x->pixel_height = event.xconfigure.height;
+ f->output_data.x->pixel_width = event.xconfigure.width;
+ f->output_data.x->pixel_height = event.xconfigure.height;
- /* What we have now is the position of Emacs's own window.
- Convert that to the position of the window manager window. */
- x_real_positions (f, &f->output_data.x->left_pos,
- &f->output_data.x->top_pos);
+ /* What we have now is the position of Emacs's own window.
+ Convert that to the position of the window manager window. */
+ x_real_positions (f, &f->output_data.x->left_pos,
+ &f->output_data.x->top_pos);
- x_check_fullscreen_move(f);
- if (f->output_data.x->want_fullscreen & FULLSCREEN_WAIT)
- f->output_data.x->want_fullscreen &=
- ~(FULLSCREEN_WAIT|FULLSCREEN_BOTH);
+ x_check_fullscreen_move(f);
+ if (f->output_data.x->want_fullscreen & FULLSCREEN_WAIT)
+ f->output_data.x->want_fullscreen &=
+ ~(FULLSCREEN_WAIT|FULLSCREEN_BOTH);
#ifdef HAVE_X_I18N
- if (FRAME_XIC (f) && (FRAME_XIC_STYLE (f) & XIMStatusArea))
- xic_set_statusarea (f);
+ if (FRAME_XIC (f) && (FRAME_XIC_STYLE (f) & XIMStatusArea))
+ xic_set_statusarea (f);
#endif
- if (f->output_data.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window)
- {
- /* Since the WM decorations come below top_pos now,
- we must put them below top_pos in the future. */
- f->output_data.x->win_gravity = NorthWestGravity;
- x_wm_set_size_hint (f, (long) 0, 0);
- }
- }
- goto OTHER;
+ if (f->output_data.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window)
+ {
+ /* Since the WM decorations come below top_pos now,
+ we must put them below top_pos in the future. */
+ f->output_data.x->win_gravity = NorthWestGravity;
+ x_wm_set_size_hint (f, (long) 0, 0);
+ }
+ }
+ goto OTHER;
- case ButtonPress:
- case ButtonRelease:
- {
- /* If we decide we want to generate an event to be seen
- by the rest of Emacs, we put it here. */
- struct input_event emacs_event;
- int tool_bar_p = 0;
-
- emacs_event.kind = NO_EVENT;
- bzero (&compose_status, sizeof (compose_status));
-
- if (dpyinfo->grabbed
- && last_mouse_frame
- && FRAME_LIVE_P (last_mouse_frame))
- f = last_mouse_frame;
- else
- f = x_window_to_frame (dpyinfo, event.xbutton.window);
-
- if (f)
- {
- /* Is this in the tool-bar? */
- if (WINDOWP (f->tool_bar_window)
- && XFASTINT (XWINDOW (f->tool_bar_window)->height))
- {
- Lisp_Object window;
- int p, x, y;
+ case ButtonPress:
+ case ButtonRelease:
+ {
+ /* If we decide we want to generate an event to be seen
+ by the rest of Emacs, we put it here. */
+ struct input_event emacs_event;
+ int tool_bar_p = 0;
+
+ emacs_event.kind = NO_EVENT;
+ bzero (&compose_status, sizeof (compose_status));
+
+ if (dpyinfo->grabbed
+ && last_mouse_frame
+ && FRAME_LIVE_P (last_mouse_frame))
+ f = last_mouse_frame;
+ else
+ f = x_window_to_frame (dpyinfo, event.xbutton.window);
+
+ if (f)
+ {
+ /* Is this in the tool-bar? */
+ if (WINDOWP (f->tool_bar_window)
+ && XFASTINT (XWINDOW (f->tool_bar_window)->height))
+ {
+ Lisp_Object window;
+ int p, x, y;
- x = event.xbutton.x;
- y = event.xbutton.y;
+ x = event.xbutton.x;
+ y = event.xbutton.y;
- /* Set x and y. */
- window = window_from_coordinates (f, x, y, &p, 1);
- if (EQ (window, f->tool_bar_window))
- {
- x_handle_tool_bar_click (f, &event.xbutton);
- tool_bar_p = 1;
- }
- }
+ /* Set x and y. */
+ window = window_from_coordinates (f, x, y, &p, 1);
+ if (EQ (window, f->tool_bar_window))
+ {
+ x_handle_tool_bar_click (f, &event.xbutton);
+ tool_bar_p = 1;
+ }
+ }
- if (!tool_bar_p)
- if (!dpyinfo->x_focus_frame
- || f == dpyinfo->x_focus_frame)
- construct_mouse_click (&emacs_event, &event, f);
- }
- else
- {
+ if (!tool_bar_p)
+ if (!dpyinfo->x_focus_frame
+ || f == dpyinfo->x_focus_frame)
+ construct_mouse_click (&emacs_event, &event, f);
+ }
+ else
+ {
#ifndef USE_TOOLKIT_SCROLL_BARS
- struct scroll_bar *bar
- = x_window_to_scroll_bar (event.xbutton.window);
+ struct scroll_bar *bar
+ = x_window_to_scroll_bar (event.xbutton.window);
- if (bar)
- x_scroll_bar_handle_click (bar, &event, &emacs_event);
+ if (bar)
+ x_scroll_bar_handle_click (bar, &event, &emacs_event);
#endif /* not USE_TOOLKIT_SCROLL_BARS */
- }
-
- if (event.type == ButtonPress)
- {
- dpyinfo->grabbed |= (1 << event.xbutton.button);
- last_mouse_frame = f;
- /* Ignore any mouse motion that happened
- before this event; any subsequent mouse-movement
- Emacs events should reflect only motion after
- the ButtonPress. */
- if (f != 0)
- f->mouse_moved = 0;
-
- if (!tool_bar_p)
- last_tool_bar_item = -1;
- }
- else
- {
- dpyinfo->grabbed &= ~(1 << event.xbutton.button);
- }
-
- if (numchars >= 1 && emacs_event.kind != NO_EVENT)
- {
- bcopy (&emacs_event, bufp, sizeof (struct input_event));
- bufp++;
- count++;
- numchars--;
- }
+ }
+
+ if (event.type == ButtonPress)
+ {
+ dpyinfo->grabbed |= (1 << event.xbutton.button);
+ last_mouse_frame = f;
+ /* Ignore any mouse motion that happened
+ before this event; any subsequent mouse-movement
+ Emacs events should reflect only motion after
+ the ButtonPress. */
+ if (f != 0)
+ f->mouse_moved = 0;
+
+ if (!tool_bar_p)
+ last_tool_bar_item = -1;
+ }
+ else
+ {
+ dpyinfo->grabbed &= ~(1 << event.xbutton.button);
+ }
+
+ if (numchars >= 1 && emacs_event.kind != NO_EVENT)
+ {
+ bcopy (&emacs_event, bufp, sizeof (struct input_event));
+ bufp++;
+ count++;
+ numchars--;
+ }
#ifdef USE_X_TOOLKIT
- f = x_menubar_window_to_frame (dpyinfo, event.xbutton.window);
- /* For a down-event in the menu bar,
- don't pass it to Xt right now.
- Instead, save it away
- and we will pass it to Xt from kbd_buffer_get_event.
- That way, we can run some Lisp code first. */
- if (f && event.type == ButtonPress
- /* Verify the event is really within the menu bar
- and not just sent to it due to grabbing. */
- && event.xbutton.x >= 0
- && event.xbutton.x < f->output_data.x->pixel_width
- && event.xbutton.y >= 0
- && event.xbutton.y < f->output_data.x->menubar_height
- && event.xbutton.same_screen)
- {
- SET_SAVED_BUTTON_EVENT;
- XSETFRAME (last_mouse_press_frame, f);
- }
- else if (event.type == ButtonPress)
- {
- last_mouse_press_frame = Qnil;
- goto OTHER;
- }
+ f = x_menubar_window_to_frame (dpyinfo, event.xbutton.window);
+ /* For a down-event in the menu bar,
+ don't pass it to Xt right now.
+ Instead, save it away
+ and we will pass it to Xt from kbd_buffer_get_event.
+ That way, we can run some Lisp code first. */
+ if (f && event.type == ButtonPress
+ /* Verify the event is really within the menu bar
+ and not just sent to it due to grabbing. */
+ && event.xbutton.x >= 0
+ && event.xbutton.x < f->output_data.x->pixel_width
+ && event.xbutton.y >= 0
+ && event.xbutton.y < f->output_data.x->menubar_height
+ && event.xbutton.same_screen)
+ {
+ SET_SAVED_BUTTON_EVENT;
+ XSETFRAME (last_mouse_press_frame, f);
+ }
+ else if (event.type == ButtonPress)
+ {
+ last_mouse_press_frame = Qnil;
+ goto OTHER;
+ }
#ifdef USE_MOTIF /* This should do not harm for Lucid,
but I am trying to be cautious. */
- else if (event.type == ButtonRelease)
- {
- if (!NILP (last_mouse_press_frame))
- {
- f = XFRAME (last_mouse_press_frame);
- if (f->output_data.x)
- SET_SAVED_BUTTON_EVENT;
- }
- else
- goto OTHER;
- }
+ else if (event.type == ButtonRelease)
+ {
+ if (!NILP (last_mouse_press_frame))
+ {
+ f = XFRAME (last_mouse_press_frame);
+ if (f->output_data.x)
+ SET_SAVED_BUTTON_EVENT;
+ }
+ else
+ goto OTHER;
+ }
#endif /* USE_MOTIF */
- else
- goto OTHER;
+ else
+ goto OTHER;
#endif /* USE_X_TOOLKIT */
- }
- break;
+ }
+ break;
- case CirculateNotify:
- goto OTHER;
+ case CirculateNotify:
+ goto OTHER;
- case CirculateRequest:
- goto OTHER;
+ case CirculateRequest:
+ goto OTHER;
- case VisibilityNotify:
- goto OTHER;
+ case VisibilityNotify:
+ goto OTHER;
- case MappingNotify:
- /* Someone has changed the keyboard mapping - update the
- local cache. */
- switch (event.xmapping.request)
- {
- case MappingModifier:
- x_find_modifier_meanings (dpyinfo);
- /* This is meant to fall through. */
- case MappingKeyboard:
- XRefreshKeyboardMapping (&event.xmapping);
- }
- goto OTHER;
+ case MappingNotify:
+ /* Someone has changed the keyboard mapping - update the
+ local cache. */
+ switch (event.xmapping.request)
+ {
+ case MappingModifier:
+ x_find_modifier_meanings (dpyinfo);
+ /* This is meant to fall through. */
+ case MappingKeyboard:
+ XRefreshKeyboardMapping (&event.xmapping);
+ }
+ goto OTHER;
- default:
- OTHER:
+ default:
+ OTHER:
#ifdef USE_X_TOOLKIT
- BLOCK_INPUT;
- XtDispatchEvent (&event);
- UNBLOCK_INPUT;
+ BLOCK_INPUT;
+ XtDispatchEvent (&event);
+ UNBLOCK_INPUT;
#endif /* USE_X_TOOLKIT */
- break;
- }
+ break;
+ }
+
+ goto ret;
+
+ out:
+ *finish = X_EVENT_GOTO_OUT;
+
+ ret:
+ *bufp_r = bufp;
+ *numcharsp = numchars;
+ *eventp = event;
+
+ return count;
+}
+
+
+/* Handles the XEvent EVENT on display DISPLAY.
+ This is used for event loops outside the normal event handling,
+ i.e. looping while a popup menu or a dialog is posted. */
+void
+x_dispatch_event (event, display)
+ XEvent *event;
+ Display *display;
+{
+ struct x_display_info *dpyinfo;
+ struct input_event bufp[10];
+ struct input_event *bufpp = bufp;
+ int numchars = 10;
+ int finish;
+
+ for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next)
+ if (dpyinfo->display == display)
+ break;
+
+ if (dpyinfo)
+ {
+ int i, events;
+ events = handle_one_xevent (dpyinfo,
+ event,
+ &bufpp,
+ &numchars,
+ &finish);
+ for (i = 0; i < events; ++i)
+ kbd_buffer_store_event (&bufp[i]);
+ }
+}
+
+
+/* Read events coming from the X server.
+ This routine is called by the SIGIO handler.
+ We return as soon as there are no more events to be read.
+
+ Events representing keys are stored in buffer BUFP,
+ which can hold up to NUMCHARS characters.
+ We return the number of characters stored into the buffer,
+ thus pretending to be `read'.
+
+ EXPECTED is nonzero if the caller knows input is available. */
+
+static int
+XTread_socket (sd, bufp, numchars, expected)
+ register int sd;
+ /* register */ struct input_event *bufp;
+ /* register */ int numchars;
+ int expected;
+{
+ int count = 0;
+ int nbytes = 0;
+ XEvent event;
+ int event_found = 0;
+ struct x_display_info *dpyinfo;
+
+ if (interrupt_input_blocked)
+ {
+ interrupt_input_pending = 1;
+ return -1;
+ }
+
+ interrupt_input_pending = 0;
+ BLOCK_INPUT;
+
+ /* So people can tell when we have read the available input. */
+ input_signal_count++;
+
+ if (numchars <= 0)
+ abort (); /* Don't think this happens. */
+
+ ++handling_signal;
+
+ /* Find the display we are supposed to read input for.
+ It's the one communicating on descriptor SD. */
+ for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next)
+ {
+#if 0 /* This ought to be unnecessary; let's verify it. */
+#ifdef FIOSNBIO
+ /* If available, Xlib uses FIOSNBIO to make the socket
+ non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set,
+ FIOSNBIO is ignored, and instead of signaling EWOULDBLOCK,
+ a read returns 0, which Xlib interprets as equivalent to EPIPE. */
+ fcntl (dpyinfo->connection, F_SETFL, 0);
+#endif /* ! defined (FIOSNBIO) */
+#endif
+
+#if 0 /* This code can't be made to work, with multiple displays,
+ and appears not to be used on any system any more.
+ Also keyboard.c doesn't turn O_NDELAY on and off
+ for X connections. */
+#ifndef SIGIO
+#ifndef HAVE_SELECT
+ if (! (fcntl (dpyinfo->connection, F_GETFL, 0) & O_NDELAY))
+ {
+ extern int read_alarm_should_throw;
+ read_alarm_should_throw = 1;
+ XPeekEvent (dpyinfo->display, &event);
+ read_alarm_should_throw = 0;
+ }
+#endif /* HAVE_SELECT */
+#endif /* SIGIO */
+#endif
+
+ /* For debugging, this gives a way to fake an I/O error. */
+ if (dpyinfo == XTread_socket_fake_io_error)
+ {
+ XTread_socket_fake_io_error = 0;
+ x_io_error_quitter (dpyinfo->display);
}
+
+#ifdef HAVE_X_SM
+ BLOCK_INPUT;
+ count += x_session_check_input (bufp, &numchars);
+ UNBLOCK_INPUT;
+#endif
+
+ while (XPending (dpyinfo->display))
+ {
+ int finish;
+
+ XNextEvent (dpyinfo->display, &event);
+
+#ifdef HAVE_X_I18N
+ {
+ /* Filter events for the current X input method.
+ XFilterEvent returns non-zero if the input method has
+ consumed the event. We pass the frame's X window to
+ XFilterEvent because that's the one for which the IC
+ was created. */
+ struct frame *f1 = x_any_window_to_frame (dpyinfo,
+ event.xclient.window);
+ if (XFilterEvent (&event, f1 ? FRAME_X_WINDOW (f1) : None))
+ break;
+ }
+#endif
+ event_found = 1;
+
+ count += handle_one_xevent (dpyinfo,
+ &event,
+ &bufp,
+ &numchars,
+ &finish);
+
+ if (finish == X_EVENT_GOTO_OUT)
+ goto out;
+ }
}
out:;
projects / emacs.git / commitdiff