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/* The emacs frame widget.
Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
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, 675 Mass Ave, Cambridge, MA 02139, 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 "device-x.h"
#include "frame-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 "toolbar.h"
#include "redisplay.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)1},
{XtNinitiallyUnmapped, XtCInitiallyUnmapped, XtRBoolean, sizeof (Boolean),
offset (initially_unmapped), XtRImmediate, (XtPointer)0},
{XtNminibuffer, XtCMinibuffer, XtRInt, sizeof (int),
offset (minibuffer), XtRImmediate, (XtPointer)0},
{XtNunsplittable, XtCUnsplittable, XtRBoolean, sizeof (Boolean),
offset (unsplittable), XtRImmediate, (XtPointer)0},
{XtNinternalBorderWidth, XtCInternalBorderWidth, XtRInt, sizeof (int),
offset (internal_border_width), XtRImmediate, (XtPointer)4},
{XtNscrollBarWidth, XtCScrollBarWidth, XtRInt, sizeof (int),
offset (scrollbar_width), XtRImmediate, (XtPointer)-1},
{XtNscrollBarHeight, XtCScrollBarHeight, XtRInt, sizeof (int),
offset (scrollbar_height), XtRImmediate, (XtPointer)-1},
{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), XtRImmediate, (XtPointer)-1},
{XtNbottomToolBarShadowColor, XtCBottomToolBarShadowColor, XtRPixel,
sizeof(Pixel), offset(bottom_toolbar_shadow_pixel), XtRImmediate,
(XtPointer)-1},
{XtNbackgroundToolBarColor, XtCBackgroundToolBarColor, XtRPixel,
sizeof(Pixel), offset(background_toolbar_pixel), XtRImmediate,
(XtPointer)-1},
{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)-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
},
{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
get_default_char_pixel_size (EmacsFrame ew, Dimension *pixel_width,
Dimension *pixel_height)
{
struct Lisp_Font_Instance *xfont;
Lisp_Object frame, font;
XSETFRAME (frame, ew->emacs_frame.frame);
font = FACE_FONT (Vdefault_face, frame);
xfont = XFONT_INSTANCE (font);
assert (EQ (FRAME_DEVICE (ew->emacs_frame.frame), xfont->device));
assert (FONT_INSTANCE_WIDTH (xfont));
assert (FONT_INSTANCE_HEIGHT (xfont));
*pixel_height = FONT_INSTANCE_HEIGHT (xfont);
*pixel_width = FONT_INSTANCE_WIDTH (xfont);
/* there used to be code here that calculated the width of the 'n'
character. Look at Fmake_font() for where this is done now. */
}
static void
conversion_internal (EmacsFrame ew, int pixel_to_char,
Dimension *pixel_width, Dimension *pixel_height,
int *char_width, int *char_height)
{
Dimension cpw;
Dimension cph;
Dimension egw;
Dimension obw, obh, bdr;
struct frame *f;
Lisp_Object frame, window;
get_default_char_pixel_size (ew, &cpw, &cph);
f = ew->emacs_frame.frame;
XSETFRAME (frame, f);
window = FRAME_SELECTED_WINDOW (f);
egw = max (glyph_width (Vcontinuation_glyph, DEFAULT_INDEX, 1, window),
glyph_width (Vtruncation_glyph, DEFAULT_INDEX, 1, window));
egw = max (egw, cpw);
bdr = 2 * ew->emacs_frame.internal_border_width;
obw = FRAME_SCROLLBAR_WIDTH (f) + FRAME_LEFT_TOOLBAR_WIDTH (f) +
FRAME_RIGHT_TOOLBAR_WIDTH (f);
obh = FRAME_SCROLLBAR_HEIGHT (f) + FRAME_TOP_TOOLBAR_HEIGHT (f) +
FRAME_BOTTOM_TOOLBAR_HEIGHT (f);
if (pixel_to_char)
{
*char_width = 1 + (int) ((*pixel_width - egw) - bdr - obw) / (int) cpw;
*char_height = (int) (*pixel_height - bdr - obh) / (int) cph;
}
else
{
*pixel_width = (*char_width - 1) * cpw + egw + bdr + obw;
*pixel_height = *char_height * cph + bdr + obh;
}
}
/* This takes the size in pixels of the text area, and returns the number
of characters that will fit there, taking into account the internal
border width, and the pixel width of the line terminator glyphs (which
always count as one "character" wide, even if they are not the same size
as the default character size of the default font). The frame scrollbar
width and left and right toolbar widths are also subtracted out of the
available width. The frame scrollbar height and top and bottom toolbar
heights are subtracted out of the available height.
Therefore the result is not necessarily a multiple of anything in
particular. */
static void
pixel_to_char_size (EmacsFrame ew,
Dimension pixel_width, Dimension pixel_height,
int *char_width, int *char_height)
{
conversion_internal (ew, 1, &pixel_width, &pixel_height, char_width,
char_height);
}
/* Given a character size, this returns the minimum number of pixels
necessary to display that many characters, taking into account the
internal border width, scrollbar height and width, toolbar heights and
widths and the size of the line terminator glyphs (assuming the line
terminators take up exactly one character position).
Therefore the result is not necessarily a multiple of anything in
particular. */
static void
char_to_pixel_size (EmacsFrame ew, int char_width, int char_height,
Dimension *pixel_width, Dimension *pixel_height)
{
conversion_internal (ew, 0, pixel_width, pixel_height, &char_width,
&char_height);
}
/* Given a pixel size, rounds DOWN to the smallest size in pixels necessary
to display the same number of characters as are displayable now.
*/
static void
round_size_to_char (EmacsFrame ew,
Dimension in_width, Dimension in_height,
Dimension *out_width, Dimension *out_height)
{
int char_width;
int char_height;
pixel_to_char_size (ew, in_width, in_height, &char_width, &char_height);
char_to_pixel_size (ew, char_width, char_height, out_width, out_height);
}
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 | 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 (ew, ew->core.width, ew->core.height, &columns, &rows);
update_various_frame_slots (ew);
change_frame_size (f, rows, columns, 0, 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. */
if (cur->emacs_frame.scrollbar_width !=
new->emacs_frame.scrollbar_width)
Fadd_spec_to_specifier
(Vscrollbar_width,
make_number (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_number (new->emacs_frame.scrollbar_height),
frame, Qnil, Qnil);
if (cur->emacs_frame.top_toolbar_height !=
new->emacs_frame.top_toolbar_height)
Fadd_spec_to_specifier
(Vtop_toolbar_height,
make_number (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
(Vbottom_toolbar_height,
make_number (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
(Vleft_toolbar_width,
make_number (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
(Vright_toolbar_width,
make_number (new->emacs_frame.right_toolbar_width),
frame, Qnil, Qnil);
}
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;
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, width, height, &ok_width, &ok_height);
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 = (caddr_t) address; \
return; \
}
/* 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;
Dimension cw;
Dimension ch;
if (! XtIsSubclass (w, emacsFrameClass))
abort ();
get_default_char_pixel_size (ew, &cw, &ch);
if (FRAME_X_TOP_LEVEL_FRAME_P (ew->emacs_frame.frame))
x_wm_set_cell_size (FRAME_X_SHELL_WIDGET (ew->emacs_frame.frame), 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;
Dimension pixel_width, pixel_height;
if (columns < 3) columns = 3; /* no way buddy */
if (rows < 1) rows = 1;
char_to_pixel_size (ew, columns, rows, &pixel_width, &pixel_height);
if (FRAME_X_TOP_LEVEL_FRAME_P (ew->emacs_frame.frame))
x_wm_set_variable_size (FRAME_X_SHELL_WIDGET (ew->emacs_frame.frame),
columns, rows);
XtVaSetValues ((Widget) ew,
XtNwidth, pixel_width,
XtNheight, pixel_height,
0);
}
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