--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/EmacsFrame.c	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,581 @@
+/* The emacs frame widget.
+   Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
+   Copyright (C) 1993-1995 Sun Microsystems, Inc.
+   Copyright (C) 1995 Ben Wing.
+
+This file is part of XEmacs.
+
+XEmacs is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+XEmacs is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with XEmacs; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Synched up with: Not in FSF. */
+
+/* #### Note to potential hackers: Don't mess with this unless you're
+   sure you know what you're doing!  Xt is a lot more subtle than
+   you may think. */
+
+#include <config.h>
+#include "lisp.h"
+
+#include "console-x.h"
+#include "glyphs-x.h"
+#include "objects-x.h"
+#include <X11/Shell.h>
+#include "EmacsFrameP.h"
+#include "EmacsManager.h"	/* for EmacsManagerChangeSize */
+#include "xmu.h"
+
+#include "faces.h"
+#include "frame.h"
+#include "toolbar.h"
+#include "redisplay.h"
+#include "window.h"
+
+static void EmacsFrameClassInitialize (void);
+static void EmacsFrameInitialize (Widget, Widget, ArgList, Cardinal *);
+static void EmacsFrameRealize (Widget, XtValueMask*, XSetWindowAttributes*);
+static void EmacsFrameResize (Widget widget);
+static Boolean EmacsFrameSetValues (Widget, Widget, Widget,
+				     ArgList, Cardinal *);
+static XtGeometryResult EmacsFrameQueryGeometry (Widget, XtWidgetGeometry*,
+						  XtWidgetGeometry*);
+
+extern void
+emacs_Xt_mapping_action (Widget w, XMappingEvent* event);
+
+#undef XtOffset
+#define XtOffset(p_type,field) \
+	((Cardinal) (((char *) (&(((p_type)0)->field))) - ((char *)0)))
+#define offset(field) XtOffset(EmacsFrame, emacs_frame.field)
+
+static XtResource resources[] = {
+  {XtNgeometry, XtCGeometry, XtRString, sizeof(String),
+     offset (geometry), XtRString, (XtPointer) 0},
+  {XtNiconic, XtCIconic, XtRBoolean, sizeof(Boolean),
+     offset (iconic), XtRImmediate, (XtPointer) False},
+
+  {XtNemacsFrame, XtCEmacsFrame, XtRPointer, sizeof (XtPointer),
+     offset (frame), XtRImmediate, 0},
+  {XtNmenubar, XtCMenubar, XtRBoolean, sizeof (Boolean),
+     offset (menubar_p), XtRImmediate, (XtPointer) True},
+  {XtNinitiallyUnmapped, XtCInitiallyUnmapped, XtRBoolean, sizeof (Boolean),
+     offset (initially_unmapped), XtRImmediate, (XtPointer) False},
+  {XtNminibuffer, XtCMinibuffer, XtRBoolean, sizeof (Boolean),
+     offset (minibuffer), XtRImmediate, (XtPointer) True},
+  {XtNunsplittable, XtCUnsplittable, XtRBoolean, sizeof (Boolean),
+     offset (unsplittable), XtRImmediate, (XtPointer) False},
+  {XtNinternalBorderWidth, XtCInternalBorderWidth, XtRInt, sizeof (int),
+     offset (internal_border_width), XtRImmediate, (XtPointer)4},
+#ifdef HAVE_SCROLLBARS
+  {XtNscrollBarWidth, XtCScrollBarWidth, XtRInt, sizeof (int),
+     offset (scrollbar_width), XtRImmediate, (XtPointer)-1},
+  {XtNscrollBarHeight, XtCScrollBarHeight, XtRInt, sizeof (int),
+     offset (scrollbar_height), XtRImmediate, (XtPointer)-1},
+  {XtNscrollBarPlacement, XtCScrollBarPlacement, XtRScrollBarPlacement,
+      sizeof(unsigned char), offset(scrollbar_placement), XtRImmediate,
+#if defined (LWLIB_SCROLLBARS_MOTIF) || defined (LWLIB_SCROLLBARS_LUCID)
+      (XtPointer) XtBOTTOM_RIGHT
+#else
+      (XtPointer) XtBOTTOM_LEFT
+#endif
+  },
+#endif /* HAVE_SCROLLBARS */
+#ifdef HAVE_TOOLBARS
+  {XtNtopToolBarHeight, XtCTopToolBarHeight, XtRInt, sizeof (int),
+     offset (top_toolbar_height), XtRImmediate, (XtPointer)-1},
+  {XtNbottomToolBarHeight, XtCBottomToolBarHeight, XtRInt, sizeof (int),
+     offset (bottom_toolbar_height), XtRImmediate, (XtPointer)-1},
+  {XtNleftToolBarWidth, XtCLeftToolBarWidth, XtRInt, sizeof (int),
+     offset (left_toolbar_width), XtRImmediate, (XtPointer)-1},
+  {XtNrightToolBarWidth, XtCRightToolBarWidth, XtRInt, sizeof (int),
+     offset (right_toolbar_width), XtRImmediate, (XtPointer)-1},
+  {XtNtopToolBarShadowColor, XtCTopToolBarShadowColor, XtRPixel, sizeof(Pixel),
+     offset(top_toolbar_shadow_pixel), XtRString, "Gray90"},
+  {XtNbottomToolBarShadowColor, XtCBottomToolBarShadowColor, XtRPixel,
+     sizeof(Pixel), offset(bottom_toolbar_shadow_pixel), XtRString,
+     "Gray40"},
+  {XtNbackgroundToolBarColor, XtCBackgroundToolBarColor, XtRPixel,
+     sizeof(Pixel), offset(background_toolbar_pixel), XtRString,
+     "Gray75"},
+  {XtNtopToolBarShadowPixmap, XtCTopToolBarShadowPixmap, XtRPixmap,
+     sizeof (Pixmap), offset(top_toolbar_shadow_pixmap), XtRImmediate,
+     (XtPointer)None},
+  {XtNbottomToolBarShadowPixmap, XtCBottomToolBarShadowPixmap, XtRPixmap,
+     sizeof (Pixmap), offset(bottom_toolbar_shadow_pixmap), XtRImmediate,
+     (XtPointer)None},
+  {XtNtoolBarShadowThickness, XtCToolBarShadowThickness, XtRDimension,
+     sizeof (Dimension), offset (toolbar_shadow_thickness), XtRImmediate,
+     (XtPointer)2},
+#endif /* HAVE_TOOLBARS */
+  {XtNinterline, XtCInterline, XtRInt, sizeof (int),
+     offset (interline), XtRImmediate, (XtPointer)0},
+  {
+#ifdef I18N4
+    XtNfontSet, XtCFontSet, XtRFontSet,    sizeof(XFontSet),
+#else
+    XtNfont,    XtCFont,    XtRFontStruct, sizeof(XFontStruct *),
+#endif
+    offset(font), XtRImmediate, (XtPointer)0
+  },
+  {XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel),
+     offset(foreground_pixel), XtRString, "XtDefaultForeground"},
+  {XtNcursorColor, XtCForeground, XtRPixel, sizeof(Pixel),
+     offset(cursor_color), XtRString, "XtDefaultForeground"},
+  {XtNbarCursor, XtCBarCursor, XtRBoolean, sizeof (Boolean),
+     offset (bar_cursor), XtRImmediate, (XtPointer)0},
+  {XtNvisualBell, XtCVisualBell, XtRBoolean, sizeof (Boolean),
+     offset (visual_bell), XtRImmediate, (XtPointer)0},
+  {XtNbellVolume, XtCBellVolume, XtRInt, sizeof (int),
+     offset (bell_volume), XtRImmediate, (XtPointer)0},
+  {XtNuseBackingStore, XtCUseBackingStore, XtRBoolean, sizeof (Boolean),
+     offset (use_backing_store), XtRImmediate, (XtPointer)0},
+  {XtNpreferredWidth, XtCPreferredWidth, XtRDimension, sizeof (Dimension),
+     offset (preferred_width), XtRImmediate, (XtPointer)0},
+  {XtNpreferredHeight, XtCPreferredHeight, XtRDimension, sizeof (Dimension),
+     offset (preferred_height), XtRImmediate, (XtPointer)0},
+};
+
+#undef offset
+
+/* Xt is stupid and dumb.
+   Xt is stupid and dumb.
+   Xt is stupid and dumb. */
+
+static XtActionsRec
+emacsFrameActionsTable [] = {
+  {"mapping",  (XtActionProc) emacs_Xt_mapping_action},
+};
+
+static char
+emacsFrameTranslations [] = "\
+<Mapping>: mapping()\n\
+";
+
+/* If we're running under Motif, make this widget a subclass
+   of XmPrimitive.  It's not clear this is necessary, but it
+   may make focus behavior work better. */
+
+EmacsFrameClassRec emacsFrameClassRec = {
+    { /* core fields */
+#ifdef LWLIB_USES_MOTIF
+    /* superclass		*/	(WidgetClass) &xmPrimitiveClassRec,
+#else
+    /* superclass		*/	&widgetClassRec,
+#endif
+    /* class_name		*/	"EmacsFrame",
+    /* widget_size		*/	sizeof(EmacsFrameRec),
+    /* class_initialize		*/	EmacsFrameClassInitialize,
+    /* class_part_initialize	*/	0,
+    /* class_inited		*/	FALSE,
+    /* initialize		*/	EmacsFrameInitialize,
+    /* initialize_hook		*/	0,
+    /* realize			*/	EmacsFrameRealize,
+    /* actions			*/	emacsFrameActionsTable,
+    /* num_actions		*/	XtNumber (emacsFrameActionsTable),
+    /* resources		*/	resources,
+    /* resource_count		*/	XtNumber(resources),
+    /* xrm_class		*/	NULLQUARK,
+    /* compress_motion		*/	TRUE,
+    /* compress_exposure	*/	TRUE,
+    /* compress_enterleave	*/	TRUE,
+    /* visible_interest		*/	FALSE,
+    /* destroy			*/	NULL,
+    /* resize			*/	EmacsFrameResize,
+    /* expose			*/	XtInheritExpose,
+    /* set_values		*/	EmacsFrameSetValues,
+    /* set_values_hook		*/	0,
+    /* set_values_almost	*/	XtInheritSetValuesAlmost,
+    /* get_values_hook		*/	0,
+    /* accept_focus		*/	XtInheritAcceptFocus,
+    /* version			*/	XtVersion,
+    /* callback_private		*/	0,
+    /* tm_table			*/	emacsFrameTranslations,
+    /* query_geometry		*/	EmacsFrameQueryGeometry,
+    /* display_accelerator	*/	XtInheritDisplayAccelerator,
+    /* extension		*/	0
+    },
+#ifdef LWLIB_USES_MOTIF
+    {	/* XmPrimitiveClassPart
+	 */
+      (XtWidgetProc) _XtInherit,	/* border_highlight */
+      (XtWidgetProc) _XtInherit,	/* border_unhighlight */
+      /* Setting the following to NULL causes PrimitiveInitialize()
+	 not to add traversal (TAB etc. to switch focus) and
+	 focus-in/out (border highlight/unhighlight) translations.
+	 If you want those translations, use the value XtInheritTranslations
+	 instead.  Doing this, however, will interfere with Emacs
+	 focus handling (which highlights/unhighlights the text cursor),
+	 and will lead to strange display results around the border of the
+	 widget. */
+      NULL,				/* translations */
+      NULL,				/* arm_and_activate */
+      NULL,				/* get resources */
+      0,				/* num get_resources */
+      NULL,				/* extension */
+    },
+#endif /* LWLIB_USES_MOTIF */
+    {
+      0
+    }
+};
+WidgetClass emacsFrameClass = (WidgetClass) &emacsFrameClassRec;
+
+static void
+update_various_frame_slots (EmacsFrame ew)
+{
+  ew->emacs_frame.frame->pixheight = ew->core.height;
+  ew->emacs_frame.frame->pixwidth = ew->core.width;
+  ew->emacs_frame.frame->internal_border_width =
+    ew->emacs_frame.internal_border_width;
+}
+
+static void 
+EmacsFrameInitialize (Widget request, Widget new,
+		       ArgList dum1, Cardinal *dum2)
+{
+  EmacsFrame ew = (EmacsFrame)new;
+  struct frame *f = ew->emacs_frame.frame;
+
+  if (!f)
+    fatal ("can't create an emacs frame widget without a frame.");
+}
+
+void emacs_Xt_event_handler (Widget wid /* unused */,
+			     XtPointer closure /* unused */,
+			     XEvent *event,
+			     Boolean *continue_to_dispatch /* unused */);
+
+static void
+EmacsFrameRealize (Widget widget, XtValueMask *mask,
+		   XSetWindowAttributes *attrs)
+{
+  EmacsFrame ew = (EmacsFrame) widget;
+  struct frame *f = ew->emacs_frame.frame;
+  Widget shell_widget = FRAME_X_SHELL_WIDGET (f);
+
+  attrs->event_mask = (ExposureMask           |
+                       StructureNotifyMask    |
+		       VisibilityChangeMask   |
+                       PropertyChangeMask     |
+		       StructureNotifyMask    |
+                       /*SubstructureNotifyMask |*/
+		       /*SubstructureRedirectMask |*/ /* Only for WMs! */
+                       KeyPressMask      |
+		       KeyReleaseMask    |
+		       ButtonPressMask   |
+                       ButtonReleaseMask |
+		       FocusChangeMask   |
+                       PointerMotionHintMask |
+		       PointerMotionMask |
+                       LeaveWindowMask   |
+		       EnterWindowMask);
+
+#ifdef I18N4
+  /* Make sure that events wanted by the input method are selected. */
+  attrs->event_mask |= input_method_event_mask;
+#endif
+
+  *mask |= CWEventMask;
+
+  if (ew->emacs_frame.use_backing_store)
+    {
+      attrs->backing_store = Always;
+      *mask |= CWBackingStore;
+    }
+  XtCreateWindow (widget, InputOutput, (Visual *)CopyFromParent, *mask,
+		  attrs);
+
+  /* snarf the events we want. */
+  XtInsertEventHandler (widget, attrs->event_mask, TRUE,
+			emacs_Xt_event_handler, NULL, XtListHead);
+  /* some events (e.g. map-notify and WM_DELETE_WINDOW) get sent
+     directly to the shell, and the above event handler won't see
+     them.  So add a handler to get them.  These events don't
+     propagate, so there's no danger of them being seen twice. */
+  XtInsertEventHandler (shell_widget,
+			EnterWindowMask | LeaveWindowMask |
+			VisibilityChangeMask | StructureNotifyMask |
+			KeyPressMask,
+			TRUE, emacs_Xt_event_handler, NULL, XtListHead);
+
+#ifdef EXTERNAL_WIDGET
+  /* #### Not sure if this special case is necessary */
+  if (!FRAME_X_EXTERNAL_WINDOW_P (f))
+#endif
+    /* This is necessary under Motif in order to make it possible to click in
+       a buffer and move focus out of a dialog box or control panel and back
+       into emacs-land; also necessary so that you can still type chars
+       if the cursor is over the menubar or scrollbar. */
+    lw_set_keyboard_focus (shell_widget, FRAME_X_TEXT_WIDGET (f));
+}
+
+/* DO NOT CALL THIS FUNCTION!  Only Xt is supposed to do this. */
+
+static void
+EmacsFrameResize (Widget widget)
+{
+  EmacsFrame ew = (EmacsFrame)widget;
+  struct frame *f = ew->emacs_frame.frame;
+  int columns;
+  int rows;
+  XtWidgetGeometry req, repl;
+  
+  pixel_to_char_size (f, ew->core.width, ew->core.height, &columns, &rows);
+  update_various_frame_slots (ew);
+  change_frame_size (f, rows, columns, 0);
+
+  /* Now we tell the EmacsShell that we've changed the size of the non-fixed
+     portion of the frame.  Note that, if we the resize occurred as a result
+     of EmacsFrameSetCharSize(), this information will be stored twice.
+     This is not a big deal, as storing this information doesn't actually
+     do anything until the next resize. */
+  if (FRAME_X_TOP_LEVEL_FRAME_P (f))
+    x_wm_set_variable_size (FRAME_X_SHELL_WIDGET (f), columns, rows);
+
+  /* Kick the manager so that it knows we've changed size. */
+  req.request_mode = 0;
+  XtQueryGeometry (FRAME_X_CONTAINER_WIDGET (f), &req, &repl);
+  EmacsManagerChangeSize (FRAME_X_CONTAINER_WIDGET (f), repl.width,
+			  repl.height);
+}
+
+static Boolean
+EmacsFrameSetValues (Widget cur_widget, Widget req_widget, Widget new_widget,
+		      ArgList dum1, Cardinal *dum2)
+{
+  EmacsFrame cur = (EmacsFrame) cur_widget;
+  EmacsFrame new = (EmacsFrame) new_widget;
+  Lisp_Object frame = Qnil;
+
+  XSETFRAME (frame, new->emacs_frame.frame);
+  in_resource_setting++;
+  /* This function does not need to do much.  Pretty much everything
+     interesting will get done in the resize method, which will
+     (if necessary) get called by Xt when this function returns
+     (see below).
+   */
+
+  /* #### This function will not work if it is not called from
+     update_EmacsFrame(), called from SET_FACE_PROPERTY().
+     The code located there should be moved inside of here instead,
+     so that things work if either SET_FACE_PROPERTY() is
+     called or XtSetValues() is called.
+     */
+
+  if (cur->emacs_frame.iconic != new->emacs_frame.iconic &&
+      FRAME_X_TOP_LEVEL_FRAME_P (new->emacs_frame.frame))
+    x_wm_set_shell_iconic_p (FRAME_X_SHELL_WIDGET (new->emacs_frame.frame),
+			     new->emacs_frame.iconic);
+
+  if (!in_specifier_change_function)
+    {
+      /* If we got here, then we were likely called as a result of
+	 the EditRes protocol, so go ahead and change scrollbar-width
+	 and scrollbar-height.  Otherwise, we're merely mirroring
+	 a change made to scrollbar-width etc. so don't do anything
+	 special. */
+#ifdef HAVE_SCROLLBARS
+      if (cur->emacs_frame.scrollbar_width !=
+	  new->emacs_frame.scrollbar_width)
+	Fadd_spec_to_specifier
+	  (Vscrollbar_width,
+	   make_int (new->emacs_frame.scrollbar_width),
+	   frame, Qnil, Qnil);
+      if (cur->emacs_frame.scrollbar_height !=
+	  new->emacs_frame.scrollbar_height)
+	Fadd_spec_to_specifier
+	  (Vscrollbar_height,
+	   make_int (new->emacs_frame.scrollbar_height),
+	   frame, Qnil, Qnil);
+#endif
+#ifdef HAVE_TOOLBARS
+      if (cur->emacs_frame.top_toolbar_height !=
+	  new->emacs_frame.top_toolbar_height)
+	Fadd_spec_to_specifier
+	  (Vtoolbar_size[TOP_TOOLBAR],
+	   make_int (new->emacs_frame.top_toolbar_height),
+	   frame, Qnil, Qnil);
+      if (cur->emacs_frame.bottom_toolbar_height !=
+	  new->emacs_frame.bottom_toolbar_height)
+	Fadd_spec_to_specifier
+	  (Vtoolbar_size[BOTTOM_TOOLBAR],
+	   make_int (new->emacs_frame.bottom_toolbar_height),
+	   frame, Qnil, Qnil);
+      if (cur->emacs_frame.left_toolbar_width !=
+	  new->emacs_frame.left_toolbar_width)
+	Fadd_spec_to_specifier
+	  (Vtoolbar_size[LEFT_TOOLBAR],
+	   make_int (new->emacs_frame.left_toolbar_width),
+	   frame, Qnil, Qnil);
+      if (cur->emacs_frame.right_toolbar_width !=
+	  new->emacs_frame.right_toolbar_width)
+	Fadd_spec_to_specifier
+	  (Vtoolbar_size[RIGHT_TOOLBAR],
+	   make_int (new->emacs_frame.right_toolbar_width),
+	   frame, Qnil, Qnil);
+#endif
+    }
+  in_resource_setting--;
+
+  return False;
+
+  /* Note that if either (a) we return True, or (b) the width or
+     height has changed, an Expose event will be generated.  The Xt
+     manual says you should not return True if the width or height has
+     changed, because then two Expose events will be generated.
+
+     In any case, there is no need to return True because
+     SET_FACE_PROPERTY(), which does the resource
+     setting, automatically forces a redisplay as necessary. */
+}
+
+static XtGeometryResult
+EmacsFrameQueryGeometry (Widget widget, XtWidgetGeometry *request,
+			 XtWidgetGeometry *result)
+{
+  EmacsFrame ew = (EmacsFrame) widget;
+  int mask = request->request_mode;
+  Dimension width, height;
+  int ok_width_int, ok_height_int;
+  Dimension ok_width, ok_height;
+
+  /* We have a definite preference for what size we would like
+     to be.
+
+     1) If a preferred size was specified for us, use it.
+        (This is not currently used)
+     2) If a proposed size was given, round it to the nearest
+        multiple of the default char size and return it.
+     3) Otherwise, take our current size and round it to the
+        nearest multiple of the default char size. */
+
+  width = mask & CWWidth ? request->width : ew->core.width;
+  height = mask & CWHeight ? request->height : ew->core.height;
+  round_size_to_char (ew->emacs_frame.frame, width, height,
+		      &ok_width_int, &ok_height_int);
+  ok_width = (Dimension) ok_width_int;
+  ok_height = (Dimension) ok_height_int;
+  if (ew->emacs_frame.preferred_width)
+    ok_width = ew->emacs_frame.preferred_width;
+  if (ew->emacs_frame.preferred_height)
+    ok_height = ew->emacs_frame.preferred_height;
+  result->request_mode |= CWWidth | CWHeight;
+  result->width = ok_width;
+  result->height = ok_height;
+  if (((mask & CWWidth) && ok_width != request->width)
+      || ((mask & CWHeight) && ok_height != request->height))
+    return XtGeometryAlmost;
+  else
+    return XtGeometryYes;
+}
+/**** string-to-scrollbar-placement converter: modelled after edge-type
+      converter in Xaw/Form.c ****/
+
+#define	done(address, type) \
+toVal->size = sizeof(type); \
+toVal->addr = (XtPointer) address; \
+return /* `;' supplied by caller */
+
+/* This variable cannot be a stack variable. */
+static unsigned char cvt_string_scrollbar_placement;
+
+/* ARGSUSED */
+static void
+_CvtStringToScrollBarPlacement (args, num_args, fromVal, toVal)
+     XrmValuePtr args;		/* unused */
+     Cardinal *num_args;	/* unused */
+     XrmValuePtr fromVal;
+     XrmValuePtr toVal;
+{
+  XrmQuark q;
+  char lowerName[1000];
+  
+  XmuCopyISOLatin1Lowered (lowerName, (char*)fromVal->addr);
+  q = XrmStringToQuark(lowerName);
+  if (q == XrmStringToQuark ("top_left"))
+    {
+      cvt_string_scrollbar_placement = XtTOP_LEFT;
+      done (&cvt_string_scrollbar_placement, unsigned char);
+    }
+  if (q == XrmStringToQuark ("bottom_left"))
+    {
+      cvt_string_scrollbar_placement = XtBOTTOM_LEFT;
+      done (&cvt_string_scrollbar_placement, unsigned char);
+    }
+  if (q == XrmStringToQuark ("top_right"))
+    {
+      cvt_string_scrollbar_placement = XtTOP_RIGHT;
+      done (&cvt_string_scrollbar_placement, unsigned char);
+    }
+  if (q == XrmStringToQuark ("bottom_right"))
+    {
+      cvt_string_scrollbar_placement = XtBOTTOM_RIGHT;
+      done (&cvt_string_scrollbar_placement, unsigned char);
+    }
+  XtStringConversionWarning (fromVal->addr, "scrollBarPlacement");
+  toVal->addr = NULL;
+  toVal->size = 0;
+}
+
+static void
+EmacsFrameClassInitialize (void)
+{
+  XtAddConverter (XtRString, XtRScrollBarPlacement,
+		  _CvtStringToScrollBarPlacement, NULL, 0);
+}
+
+/********************* Special entrypoints *******************/
+
+void
+EmacsFrameRecomputeCellSize (Widget w)
+{
+  EmacsFrame ew = (EmacsFrame) w;
+  int cw, ch;
+  struct frame *f = ew->emacs_frame.frame;
+
+  if (! XtIsSubclass (w, emacsFrameClass))
+    abort ();
+
+  default_face_height_and_width (make_frame (f), &ch, &cw);
+  if (FRAME_X_TOP_LEVEL_FRAME_P (f))
+    x_wm_set_cell_size (FRAME_X_SHELL_WIDGET (f), cw, ch);
+}
+
+/* Set the size of the widget to have the number of rows and columns
+   specified.  This both causes the X window to change and the
+   internal frame structures to get modified to match. */
+
+void
+EmacsFrameSetCharSize (Widget widget, int columns, int rows)
+{
+  EmacsFrame ew = (EmacsFrame) widget;
+  int pixel_width, pixel_height;
+  struct frame *f = ew->emacs_frame.frame;
+
+  if (columns < 3)
+    columns = 3;  /* no way buddy */
+  if (rows < 1)
+    rows = 1;
+
+  char_to_pixel_size (f, columns, rows, &pixel_width, &pixel_height);
+
+  if (FRAME_X_TOP_LEVEL_FRAME_P (f))
+    x_wm_set_variable_size (FRAME_X_SHELL_WIDGET (f), columns, rows);
+
+  XtVaSetValues ((Widget) ew,
+		 XtNwidth, (Dimension) pixel_width,
+		 XtNheight, (Dimension) pixel_height,
+		 0);
+}