/* Implements a lightweight menubar widget.
Copyright (C) 1992, 1993, 1994 Lucid, Inc.
Copyright (C) 1995 Tinker Systems and INS Engineering Corp.
This file is part of the Lucid Widget Library.
The Lucid Widget Library 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 3 of the
License, or (at your option) any later version.
The Lucid Widget Library 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 the Lucid Widget Library. If not, see
. */
/* Created by devin@lucid.com */
#include
#include
#include
#include
#include
#include
#include
#ifdef HAVE_UNISTD_H
#include
#endif
#include
#include
#include
#include
#include
#ifdef NEED_MOTIF
#include
#if XmVersion < 1002 /* 1.1 or ancient */
#undef XmFONTLIST_DEFAULT_TAG
#define XmFONTLIST_DEFAULT_TAG XmSTRING_DEFAULT_CHARSET
#endif /* XmVersion < 1.2 */
#endif
/* #### we may want to turn off HAVE_XFT here if !HAVE_XFT_MENUBARS
In fact, maybe that's the right interface overall? */
#include "lwlib-fonts.h"
#include "lwlib-colors.h"
#include "xlwmenuP.h"
#ifdef USE_DEBUG_MALLOC
#include
#endif
/* simple, naive integer maximum */
#ifndef max
#define max(a,b) ((a)>(b)?(a):(b))
#endif
static char
xlwMenuTranslations [] =
": start()\n\
: drag()\n\
: select()\n\
";
extern Widget lw_menubar_widget;
static XtResource
xlwMenuResources[] =
{
/* The offset macro is a standard trick. The remaining macros are an
experiment to compress redundancies in resource descriptions, and shut
up GCC 4.3 (the String casts, which keep G++ from complaining about
implicit conversions from const char *). */
#define offset(field) XtOffset(XlwMenuWidget, menu.field)
#define fontres(name,_class,repr,type,member,value) \
Xt_RESOURCE (name, _class, repr, type, offset(member), XtRString, value)
#define mflres(name,cls,member,repr,value) \
Xt_RESOURCE (name, cls, XmRFontList, XmFontList, offset(member), repr, value)
#define dimres(name,cls,repr,member,value) \
Xt_RESOURCE (name, cls, repr, Dimension, offset(member), XtRImmediate, value)
#define boolres(nm,cls,member,val) \
Xt_RESOURCE (nm, cls, XtRBoolean, Boolean, offset(member), XtRImmediate, val)
#define cbres(name,member,value) \
Xt_RESOURCE (name, XtCCallback, XtRCallback, XtPointer, offset(member), \
XtRCallback, value)
#define pixres(name,_class,member,repr,value) \
Xt_RESOURCE (name, _class, XtRPixel, Pixel, offset(member), repr, value)
#define fgpixres(name,_class,member) \
pixres (name, _class, member, XtRString, "XtDefaultForeground")
#define nullpixres(name,_class,member) \
pixres (name, _class, member, XtRImmediate, -1)
#define pmres(name,cls,member) \
Xt_RESOURCE (name, cls, XtRPixmap, Pixmap, offset(member), XtRImmediate, None)
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
/* There are three font list resources, so that we can accept either of
the resources *fontList: or *font:, and so that we can tell the
difference between them being specified, and being defaulted to a
font from the XtRString specified here. */
mflres (XmNfontList, XmCFontList, font_list, XtRImmediate, 0),
mflres (XtNfont, XtCFont, font_list_2, XtRImmediate, 0),
mflres (XmNfontList, XmCFontList, fallback_font_list,
/* We must use an iso8859-1 font here, or people without $LANG set lose.
It's fair to assume that those who do have $LANG set also have the
*fontList resource set, or at least know how to deal with this. */
XtRString, (XtPointer) "-*-helvetica-bold-r-*-*-*-120-*-*-*-*-iso8859-1"),
#else
fontres (XtNfont, XtCFont, XtRFontStruct, XFontStruct *, font,
"XtDefaultFont"),
#ifdef HAVE_XFT_MENUBARS
fontres (XtNfcFontName, XtCFcFontName, XtRString, String, fcFontName,
"sans-serif-12:bold"),
/* #### This needs to be fixed to give a proper type and converter for
XftFonts. See also xlwtabs.c. */
fontres (XtNxftFont, XtCXftFont, XtRString, XtPointer, xftFontName,
"Helvetica-12:bold"),
#endif
# ifdef USE_XFONTSET
/* #### Consider using the same method as for Motif; see the comment in
XlwMenuInitialize(). */
fontres (XtNfontSet, XtCFontSet, XtRFontSet, XFontSet, font_set,
"XtDefaultFontSet"),
# endif
#endif
fgpixres (XtNforeground, XtCForeground, foreground),
fgpixres (XtNbuttonForeground, XtCButtonForeground, button_foreground),
fgpixres (XtNhighlightForeground, XtCHighlightForeground,
highlight_foreground),
fgpixres (XtNtitleForeground, XtCTitleForeground, title_foreground),
dimres (XtNmargin, XtCMargin, XtRDimension, margin, 2),
dimres (XmNmarginWidth, XmCMarginWidth, XmRHorizontalDimension,
horizontal_margin, 2),
dimres (XmNmarginHeight, XmCMarginHeight, XmRVerticalDimension,
vertical_margin, 1),
dimres (XmNspacing, XmCSpacing, XmRHorizontalDimension, column_spacing, 4),
dimres (XmNindicatorSize, XmCIndicatorSize, XtRDimension, indicator_size, 0),
#if 0
dimres (XmNshadowThickness, XmCShadowThickness, XmRHorizontalDimension,
shadow_thickness, 2),
#else
dimres (XmNshadowThickness, XmCShadowThickness, XtRDimension,
shadow_thickness, 2),
#endif
nullpixres (XmNselectColor, XmCSelectColor, select_color),
nullpixres (XmNtopShadowColor, XmCTopShadowColor, top_shadow_color),
nullpixres (XmNbottomShadowColor, XmCBottomShadowColor, bottom_shadow_color),
pmres (XmNtopShadowPixmap, XmCTopShadowPixmap, top_shadow_pixmap),
pmres (XmNbottomShadowPixmap, XmCBottomShadowPixmap, bottom_shadow_pixmap),
cbres (XtNopen, open, NULL),
cbres (XtNselect, select, NULL),
Xt_RESOURCE (XtNmenu, XtCMenu, XtRPointer, XtPointer, offset(contents),
XtRImmediate, NULL),
Xt_RESOURCE (XtNcursor, XtCCursor, XtRCursor, Cursor, offset(cursor_shape),
XtRString, "right_ptr"),
Xt_RESOURCE (XtNhorizontal, XtCHorizontal, XtRInt, int, offset(horizontal),
XtRImmediate, True),
boolres (XtNuseBackingStore, XtCUseBackingStore, use_backing_store, False),
boolres (XtNbounceDown, XtCBounceDown, bounce_down, True),
boolres (XtNresourceLabels, XtCResourceLabels, lookup_labels, False),
#undef offset
#undef mflres
#undef fontres
#undef dimres
#undef boolres
#undef cbres
#undef pixres
#undef fgpixres
#undef nullpixres
#undef pmres
};
static Boolean XlwMenuSetValues (Widget current, Widget request, Widget new_,
ArgList args, Cardinal *num_args);
static void XlwMenuRealize (Widget w, Mask *valueMask,
XSetWindowAttributes *attributes);
static void XlwMenuRedisplay (Widget w, XEvent *ev, Region region);
static void XlwMenuResize (Widget w);
static void XlwMenuInitialize (Widget request, Widget new_, ArgList args,
Cardinal *num_args);
static void XlwMenuDestroy (Widget w);
static void XlwMenuClassInitialize (void);
static void Start (Widget w, XEvent *ev, String *params, Cardinal *num_params);
static void Drag (Widget w, XEvent *ev, String *params, Cardinal *num_params);
static void Select(Widget w, XEvent *ev, String *params, Cardinal *num_params);
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
static XFontStruct *default_font_of_font_list (XmFontList);
#endif
static XtActionsRec
xlwMenuActionsList [] =
{
{ (String) "start", Start},
{ (String) "drag", Drag},
{ (String) "select", Select},
};
#define SuperClass ((CoreWidgetClass)&coreClassRec)
XlwMenuClassRec xlwMenuClassRec =
{
{ /* CoreClass fields initialization */
(WidgetClass) SuperClass, /* superclass */
(String) "XlwMenu", /* class_name */
sizeof(XlwMenuRec), /* size */
XlwMenuClassInitialize, /* class_initialize */
NULL, /* class_part_initialize */
FALSE, /* class_inited */
XlwMenuInitialize, /* initialize */
NULL, /* initialize_hook */
XlwMenuRealize, /* realize */
xlwMenuActionsList, /* actions */
XtNumber(xlwMenuActionsList), /* num_actions */
xlwMenuResources, /* resources */
XtNumber(xlwMenuResources), /* resource_count */
NULLQUARK, /* xrm_class */
TRUE, /* compress_motion */
XtExposeCompressMaximal, /* compress_exposure */
TRUE, /* compress_enterleave */
FALSE, /* visible_interest */
XlwMenuDestroy, /* destroy */
XlwMenuResize, /* resize */
XlwMenuRedisplay, /* expose */
XlwMenuSetValues, /* set_values */
NULL, /* set_values_hook */
XtInheritSetValuesAlmost, /* set_values_almost */
NULL, /* get_values_hook */
NULL, /* #### - should this be set for grabs? accept_focus */
XtVersion, /* version */
NULL, /* callback_private */
xlwMenuTranslations, /* tm_table */
XtInheritQueryGeometry, /* query_geometry */
XtInheritDisplayAccelerator, /* display_accelerator */
NULL /* extension */
}, /* XlwMenuClass fields initialization */
{
0 /* dummy */
},
};
WidgetClass xlwMenuWidgetClass = (WidgetClass) &xlwMenuClassRec;
extern int lw_menu_accelerate;
/* Utilities */
#if 0 /* Apparently not used anywhere */
static char *
safe_strdup (char *s)
{
char *result;
if (! s) return 0;
result = (char *) malloc (strlen (s) + 1);
if (! result)
return 0;
strcpy (result, s);
return result;
}
#endif /* 0 */
static void
push_new_stack (XlwMenuWidget mw, widget_value *val)
{
if (!mw->menu.new_stack)
{
mw->menu.new_stack_length = 10;
mw->menu.new_stack =
(widget_value**)XtCalloc (mw->menu.new_stack_length,
sizeof (widget_value*));
}
else if (mw->menu.new_depth == mw->menu.new_stack_length)
{
mw->menu.new_stack_length *= 2;
mw->menu.new_stack =
(widget_value**)XtRealloc ((char *)mw->menu.new_stack,
mw->menu.new_stack_length *
sizeof (widget_value*));
}
mw->menu.new_stack [mw->menu.new_depth++] = val;
}
static void
pop_new_stack_if_no_contents (XlwMenuWidget mw)
{
if (mw->menu.new_depth &&
!mw->menu.new_stack [mw->menu.new_depth - 1]->contents)
mw->menu.new_depth -= 1;
}
static void
make_old_stack_space (XlwMenuWidget mw, int n)
{
if (!mw->menu.old_stack)
{
mw->menu.old_stack_length = max (10, n);
mw->menu.old_stack =
(widget_value**)XtCalloc (mw->menu.old_stack_length,
sizeof (widget_value*));
}
else if (mw->menu.old_stack_length < n)
{
while (mw->menu.old_stack_length < n)
mw->menu.old_stack_length *= 2;
mw->menu.old_stack =
(widget_value**)XtRealloc ((char *)mw->menu.old_stack,
mw->menu.old_stack_length *
sizeof (widget_value*));
}
}
static Boolean
close_to_reference_time (Widget w, Time reference_time, XEvent *ev)
{
return
reference_time &&
((int) (ev->xbutton.time - reference_time) <
XtGetMultiClickTime (XtDisplay (w)));
}
/* Size code */
static int
string_width (XlwMenuWidget mw,
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
XmString s
#else
char *s
#endif
)
{
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
Dimension width, height;
XmStringExtent (mw->menu.font_list, s, &width, &height);
return width;
#else
# ifdef USE_XFONTSET
XRectangle ri, rl;
XmbTextExtents (mw->menu.font_set, s, strlen (s), &ri, &rl);
return rl.width;
# else
#ifdef HAVE_XFT_MENUBARS
XGlyphInfo glyphinfo;
XftTextExtents8 (XtDisplay (mw), mw->menu.renderFont, (FcChar8 *) s,
strlen (s), &glyphinfo);
return glyphinfo.xOff;
#else
XCharStruct xcs;
int drop;
XTextExtents (mw->menu.font, s, strlen (s), &drop, &drop, &drop, &xcs);
return xcs.width;
#endif
# endif /* USE_XFONTSET */
#endif
}
static char massaged_resource_char[256];
static void
initialize_massaged_resource_char (void)
{
int j;
for (j = 0; j < (int) sizeof (massaged_resource_char); j++)
{
if ((j >= 'a' && j <= 'z') ||
(j >= 'A' && j <= 'Z') ||
(j >= '0' && j <= '9') ||
(j == '_') ||
(j >= 0xa0))
massaged_resource_char[j] = (char) j;
}
massaged_resource_char ['_'] = '_';
massaged_resource_char ['+'] = 'P'; /* Convert C++ to cPP */
massaged_resource_char ['.'] = '_'; /* Convert Buffers... to buffers___ */
}
static int
string_width_u (XlwMenuWidget mw,
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
XmString string
#else
char *string
#endif
)
{
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
Dimension width, height;
XmString newstring;
#else
# ifdef USE_XFONTSET
XRectangle ri, rl;
# else /* ! USE_XFONTSET */
#ifdef HAVE_XFT_MENUBARS
XGlyphInfo glyphinfo;
#else
XCharStruct xcs;
int drop;
#endif
# endif
#endif
char* newchars;
int charslength;
char *chars;
int i, j;
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
chars = "";
if (!XmStringGetLtoR (string, XmFONTLIST_DEFAULT_TAG, &chars))
chars = "";
#else
chars = string;
#endif
charslength = strlen (chars);
newchars = (char *) alloca (charslength + 1);
for (i = j = 0; chars[i] && (j < charslength); i++)
if (chars[i]=='%'&&chars[i+1]=='_')
i++;
else
newchars[j++] = chars[i];
newchars[j] = '\0';
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
newstring = XmStringLtoRCreate (newchars, XmFONTLIST_DEFAULT_TAG);
XmStringExtent (mw->menu.font_list, newstring, &width, &height);
XmStringFree (newstring);
XtFree (chars);
return width;
#else
# ifdef USE_XFONTSET
XmbTextExtents (mw->menu.font_set, newchars, j, &ri, &rl);
return rl.width;
# else /* ! USE_XFONTSET */
#ifdef HAVE_XFT_MENUBARS
XftTextExtents8 (XtDisplay (mw), mw->menu.renderFont, (FcChar8 *) newchars,
j, &glyphinfo);
return glyphinfo.xOff;
#else
XTextExtents (mw->menu.font, newchars, j, &drop, &drop, &drop, &xcs);
return xcs.width;
#endif
# endif /* USE_XFONTSET */
#endif
}
static void
massage_resource_name (const char *in, char *out)
{
/* Turn a random string into something suitable for using as a resource.
For example:
"Kill Buffer" -> "killBuffer"
"Find File..." -> "findFile___"
"Search and Replace..." -> "searchAndReplace___"
"C++ Mode Commands" -> "cppModeCommands"
Valid characters in a resource NAME component are: a-zA-Z0-9_
*/
#ifdef PRINT_XLWMENU_RESOURCE_CONVERSIONS
/* Compile with -DPRINT_XLWMENU_RESOURCE_CONVERSIONS to generate a
translation file for menu localizations. */
char *save_in = in, *save_out = out;
#endif
Boolean firstp = True;
while (*in)
{
if (*in == '%' && *(in + 1) == '_')
in += 2;
else
{
char ch;
if (*in == '%' && *(in + 1) == '%')
in++;
ch = massaged_resource_char[(unsigned char) *in++];
if (ch)
{
int int_ch = (int) (unsigned char) ch;
*out++ = firstp ? tolower (int_ch) : toupper (int_ch);
firstp = False;
while ((ch = massaged_resource_char[(unsigned char) *in++])
!= '\0')
*out++ = ch;
if (!*(in-1)) /* Overshot the NULL byte? */
break;
}
}
}
*out = 0;
#ifdef PRINT_XLWMENU_RESOURCE_CONVERSIONS
printf ("! Emacs*XlwMenu.%s.labelString:\t%s\n", save_out, save_in);
printf ( "Emacs*XlwMenu.%s.labelString:\n", save_out);
#endif
}
static XtResource
nameResource[] =
{
{ (String) "labelString", (String) "LabelString", XtRString, sizeof(String),
0, XtRImmediate, 0 }
};
/* This function searches STRING for parameter inserts of the form:
%[padding]1
padding is either space (' ') or dash ('-') meaning
padding to the left or right of the inserted parameter.
In essence, all %1 strings are replaced by VALUE in the return value.
The caller is expected to free the return value using XtFree().
%% means insert one % (like printf).
%1 means insert VALUE.
%-1 means insert VALUE followed by one space. The latter is
not inserted if VALUE is a zero length string.
*/
static char*
parameterize_string (const char *string, const char *value)
{
const char *percent;
char *result;
unsigned int done = 0;
unsigned int ntimes;
if (!string)
{
result = XtMalloc(1);
result[0] = '\0';
return result;
}
if (!value)
value = "";
for (ntimes = 1, percent = string;
(percent = strchr (percent, '%'));
ntimes++)
percent++;
result = XtMalloc ((ntimes * strlen(value)) + strlen(string) + 4);
result[0] = '\0';
while ((percent = strchr (string, '%')))
{
unsigned int left_pad;
unsigned int right_pad;
const char *p;
if (percent[1] == '%')
{ /* it's a real % */
strncat (result, string, 1 + percent - string); /* incl % */
string = &percent[2]; /* after the second '%' */
continue; /* with the while() loop */
}
left_pad = 0;
right_pad = 0;
for (p = &percent[1]; /* test *p inside the loop */ ; p++)
{
if (*p == ' ')
{ /* left pad */
left_pad++;
}
else if (*p == '-')
{ /* right pad */
right_pad++;
}
else if (*p == '1')
{ /* param and terminator */
strncat (result, string, percent - string);
if (value[0] != '\0')
{
unsigned int i;
for (i = 0; i < left_pad; i++)
strcat (result, " ");
strcat (result, value);
for (i = 0; i < right_pad; i++)
strcat (result, " ");
}
string = &p[1]; /* after the '1' */
done++; /* no need to do old way */
break; /* out of for() loop */
}
else
{ /* bogus, copy the format as is */
/* out of for() loop */
strncat (result, string, 1 + p - string);
string = (*p ? &p[1] : p);
break;
}
}
}
/* Copy the tail of the string */
strcat (result, string);
/* If we have not processed a % string, and we have a value, tail it. */
if (!done && value[0] != '\0')
{
strcat (result, " ");
strcat (result, value);
}
return result;
}
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
static XmString
resource_widget_value (XlwMenuWidget mw, widget_value *val)
{
if (!val->toolkit_data)
{
char *resourced_name = NULL;
char *converted_name, *str;
XmString complete_name;
char massaged_name [1024];
if (mw->menu.lookup_labels)
{
/* Convert value style name into resource style name.
eg: "Free Willy" becomes "freeWilly" */
massage_resource_name (val->name, massaged_name);
/* If we have a value (parameter) see if we can find a "Named"
resource. */
if (val->value)
{
char named_name[1024];
sprintf (named_name, "%sNamed", massaged_name);
XtGetSubresources ((Widget) mw,
(XtPointer) &resourced_name,
named_name, named_name,
nameResource, 1, NULL, 0);
}
/* If nothing yet, try to load from the massaged name. */
if (!resourced_name)
{
XtGetSubresources ((Widget) mw,
(XtPointer) &resourced_name,
massaged_name, massaged_name,
nameResource, 1, NULL, 0);
}
} /* if (mw->menu.lookup_labels) */
/* Still nothing yet, use the name as the value. */
if (!resourced_name)
resourced_name = val->name;
/* Parameterize the string. */
converted_name = parameterize_string (resourced_name, val->value);
/* nuke newline characters to prevent menubar screwups */
for ( str = converted_name ; *str ; str++ )
{
if (str[0] == '\n') str[0] = ' ';
}
/* Improve OSF's bottom line. */
#if (XmVersion >= 1002)
complete_name = XmStringCreateLocalized (converted_name);
#else
complete_name = XmStringCreateLtoR (converted_name,
XmSTRING_DEFAULT_CHARSET);
#endif
XtFree (converted_name);
val->toolkit_data = complete_name;
val->free_toolkit_data = True;
}
return (XmString) val->toolkit_data;
}
/* Unused */
#if 0
/* These two routines should be a separate file..djw */
static char *
xlw_create_localized_string (Widget w,
char *name,
char **args,
unsigned int nargs)
{
char *string = NULL;
char *arg = NULL;
if (nargs > 0)
arg = args[0];
XtGetSubresources (w,
(XtPointer)&string,
name,
name,
nameResource, 1,
NULL, 0);
if (!string)
string = name;
return parameterize_string (string, arg);
}
static XmString
xlw_create_localized_xmstring (Widget w,
char *name,
char **args,
unsigned int nargs)
{
char * string = xlw_create_localized_string (w, name, args, nargs);
XmString xm_string = XmStringCreateLtoR (string, XmSTRING_DEFAULT_CHARSET);
XtFree (string);
return xm_string;
}
#endif /* 0 */
#else /* !Motif */
static char*
resource_widget_value (XlwMenuWidget mw, widget_value *val)
{
if (!val->toolkit_data)
{
char *resourced_name = NULL;
char *complete_name;
char massaged_name [1024];
if (mw->menu.lookup_labels)
{
massage_resource_name (val->name, massaged_name);
XtGetSubresources ((Widget) mw,
(XtPointer) &resourced_name,
massaged_name, massaged_name,
nameResource, 1, NULL, 0);
}
if (!resourced_name)
resourced_name = val->name;
complete_name = parameterize_string (resourced_name, val->value);
val->toolkit_data = complete_name;
/* nuke newline characters to prevent menubar screwups */
for ( ; *complete_name ; complete_name++ )
{
if (complete_name[0] == '\n')
complete_name[0] = ' ';
}
val->free_toolkit_data = True;
}
return (char *) val->toolkit_data;
}
#endif /* !Motif */
#define MINL(x,y) ((((unsigned long) (x)) < ((unsigned long) (y))) \
? ((unsigned long) (x)) : ((unsigned long) (y)))
#ifdef HAVE_XFT_MENUBARS
static int
x_xft_text_width (Display *dpy, XftFont *xft_font, char *run, int len)
{
static XGlyphInfo glyphinfo;
XftTextExtents8 (dpy,
xft_font,
(FcChar8 *) run, len, &glyphinfo);
return glyphinfo.xOff;
}
#endif
/* Code for drawing strings. */
static void
string_draw (XlwMenuWidget mw,
Window window,
int x, int y,
#ifdef HAVE_XFT_MENUBARS
XftColor *color,
XftColor *colorBg,
#else
GC gc,
#endif
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
XmString string
#else
char *string
#endif
)
{
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
XmStringDraw (XtDisplay (mw), window,
mw->menu.font_list,
string, gc,
x, y,
1000, /* ???? width */
XmALIGNMENT_BEGINNING,
0, /* ???? layout_direction */
0);
#else
# ifdef HAVE_XFT_MENUBARS
Display *display = XtDisplay (mw);
Visual *visual = DefaultVisualOfScreen (XtScreen (mw));
Colormap cmap = mw->core.colormap;
XftDraw *xftDraw = XftDrawCreate (display, window, visual, cmap);
XftFont *renderFont = mw->menu.renderFont;
/* draw background rect */
XftDrawRect (xftDraw, colorBg,
x, y,
x_xft_text_width (display, renderFont, string, strlen (string)),
renderFont->ascent + renderFont->descent); /* XXX */
/* draw text */
XftDrawString8 (xftDraw, color, renderFont, x, y + mw->menu.font_ascent,
(FcChar8 *) string, strlen (string));
XftDrawDestroy (xftDraw);
# else
# ifdef USE_XFONTSET
XmbDrawString (XtDisplay (mw), window, mw->menu.font_set, gc,
x, y + mw->menu.font_ascent, string, strlen (string));
# else
XDrawString (XtDisplay (mw), window, gc,
x, y + mw->menu.font_ascent, string, strlen (string));
# endif /* USE_XFONTSET */
# endif /* HAVE_XFT_MENUBARS */
#endif /* NEED_MOTIF */
}
static int
string_draw_range (
XlwMenuWidget mw,
Window window,
int x, int y,
#ifdef HAVE_XFT_MENUBARS
XftColor *color,
XftColor *colorBg,
#else
GC gc,
#endif
char *string,
int start,
int end
)
{
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
Dimension width, height;
XmString newstring;
int c;
if (end <= start)
return 0;
c = string[end];
string[end] = '\0';
newstring = XmStringLtoRCreate (&string[start], XmFONTLIST_DEFAULT_TAG);
XmStringDraw (
XtDisplay (mw), window,
mw->menu.font_list,
newstring, gc,
x, y,
1000, /* ???? width */
XmALIGNMENT_BEGINNING,
0, /* ???? layout_direction */
0
);
XmStringExtent (mw->menu.font_list, newstring, &width, &height);
XmStringFree (newstring);
string[end] = c;
return width;
#else
# ifdef USE_XFONTSET
XRectangle ri, rl;
if (end <= start)
return 0;
XmbDrawString (
XtDisplay (mw), window, mw->menu.font_set, gc,
x, y + mw->menu.font_ascent, &string[start], end - start);
XmbTextExtents (
mw->menu.font_set, &string[start], end - start, &ri, &rl);
return rl.width;
# else
#ifdef HAVE_XFT_MENUBARS
if (end <= start)
return 0;
else
{
XGlyphInfo glyphinfo;
Display *display = XtDisplay (mw);
Visual *visual = DefaultVisualOfScreen (XtScreen (mw));
Colormap cmap = mw->core.colormap;
XftFont *renderFont = mw->menu.renderFont;
/* #### should use parent frame's .xftDraw? */
XftDraw *xftDraw = XftDrawCreate (display, window, visual, cmap);
/* draw background rect */
XftDrawRect (xftDraw, colorBg,
x, y,
x_xft_text_width (display,
renderFont, &string[start], end - start),
renderFont->ascent + renderFont->descent); /* XXX */
/* draw text */
XftDrawString8 (xftDraw, color, renderFont,
x, y + mw->menu.font_ascent,
(FcChar8 *) &string[start], end - start);
XftTextExtents8 (display, renderFont, (FcChar8 *) &string[start],
end - start, &glyphinfo);
/* #### should use parent frame's .xftDraw */
XftDrawDestroy (xftDraw);
return glyphinfo.xOff;
}
#else
XCharStruct xcs;
int drop;
if (end <= start)
return 0;
XDrawString ( /* XXX */
XtDisplay (mw), window, gc,
x, y + mw->menu.font_ascent, &string[start], end - start);
XTextExtents (
mw->menu.font, &string[start], end - start,
&drop, &drop, &drop, &xcs);
return xcs.width;
#endif
# endif
#endif
}
static void
string_draw_u (XlwMenuWidget mw,
Window window,
int x, int y,
#ifdef HAVE_XFT_MENUBARS
XftColor *color, XftColor *colorBg, GC gc,
#else
GC gc,
#endif
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
XmString string
#else
char *string
#endif
)
{
int i, s = 0;
char *chars;
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
chars = "";
if (!XmStringGetLtoR (string, XmFONTLIST_DEFAULT_TAG, &chars))
chars = "";
#else
chars = string;
#endif
for (i=0; chars[i]; ++i) {
if (chars[i] == '%' && chars[i+1] == '_') {
int w;
#ifdef HAVE_XFT_MENUBARS
x += string_draw_range (mw, window, x, y, color, colorBg, chars, s, i);
w = string_draw_range (mw, window, x, y, color, colorBg, chars, i+2, i+3);
#else
x += string_draw_range (mw, window, x, y, gc, chars, s, i);
w = string_draw_range (mw, window, x, y, gc, chars, i+2, i+3);
#endif
/* underline next character */
XDrawLine (XtDisplay (mw), window, gc, x - 1,
y + mw->menu.font_ascent + 1,
x + w - 1, y + mw->menu.font_ascent + 1 );
x += w;
s = i + 3;
i += 2;
}
}
#ifdef HAVE_XFT_MENUBARS
x += string_draw_range (mw, window, x, y, color, colorBg, chars, s, i);
#else
x += string_draw_range (mw, window, x, y, gc, chars, s, i);
#endif
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
XtFree (chars);
#endif
}
static void /* XXX */
binding_draw (XlwMenuWidget mw, Window w, int x, int y,
#ifdef HAVE_XFT_MENUBARS
XftColor *color,
XftColor *colorBg,
#else
GC gc,
#endif
char *value)
{
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
XmString xm_value = XmStringCreateLtoR(value, XmSTRING_DEFAULT_CHARSET);
string_draw (mw, w, x, y, gc, xm_value);
XmStringFree (xm_value);
#else
#ifdef HAVE_XFT_MENUBARS
string_draw (mw, w, x, y, color, colorBg, value);
#else
string_draw (mw, w, x, y, gc, value);
#endif
#endif
}
/* Low level code for drawing 3-D edges. */
static void
shadow_rectangle_draw (Display *dpy,
Window window,
GC top_gc,
GC bottom_gc,
int x, int y,
unsigned int width,
unsigned int height,
unsigned int thickness)
{
XPoint points [4];
if (!thickness)
return;
points [0].x = x;
points [0].y = y;
points [1].x = x + width;
points [1].y = y;
points [2].x = x + width - thickness;
points [2].y = y + thickness;
points [3].x = x;
points [3].y = y + thickness;
XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin);
points [0].x = x;
points [0].y = y + thickness;
points [1].x = x;
points [1].y = y + height;
points [2].x = x + thickness;
points [2].y = y + height - thickness;
points [3].x = x + thickness;
points [3].y = y + thickness;
XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin);
points [0].x = x + width;
points [0].y = y;
points [1].x = x + width - thickness;
points [1].y = y + thickness;
points [2].x = x + width - thickness;
points [2].y = y + height - thickness;
points [3].x = x + width;
points [3].y = y + height - thickness;
XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin);
points [0].x = x;
points [0].y = y + height;
points [1].x = x + width;
points [1].y = y + height;
points [2].x = x + width;
points [2].y = y + height - thickness;
points [3].x = x + thickness;
points [3].y = y + height - thickness;
XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin);
}
typedef enum e_shadow_type
{
/* these are Motif compliant */
SHADOW_BACKGROUND,
SHADOW_OUT,
SHADOW_IN,
SHADOW_ETCHED_OUT,
SHADOW_ETCHED_IN,
SHADOW_ETCHED_OUT_DASH,
SHADOW_ETCHED_IN_DASH,
SHADOW_SINGLE_LINE,
SHADOW_DOUBLE_LINE,
SHADOW_SINGLE_DASHED_LINE,
SHADOW_DOUBLE_DASHED_LINE,
SHADOW_NO_LINE,
/* these are all non-Motif */
SHADOW_DOUBLE_ETCHED_OUT,
SHADOW_DOUBLE_ETCHED_IN,
SHADOW_DOUBLE_ETCHED_OUT_DASH,
SHADOW_DOUBLE_ETCHED_IN_DASH
} shadow_type;
static void
shadow_draw (XlwMenuWidget mw,
Window window,
int x, int y,
unsigned int width,
unsigned int height,
shadow_type type)
{
Display *dpy = XtDisplay (mw);
GC top_gc;
GC bottom_gc;
int thickness = mw->menu.shadow_thickness;
#if 0
XPoint points [4];
#endif /* 0 */
Boolean etched = False;
switch (type)
{
case SHADOW_BACKGROUND:
top_gc = bottom_gc = mw->menu.background_gc;
break;
case SHADOW_ETCHED_IN:
top_gc = mw->menu.shadow_bottom_gc;
bottom_gc = mw->menu.shadow_top_gc;
etched = True;
break;
case SHADOW_ETCHED_OUT:
top_gc = mw->menu.shadow_top_gc;
bottom_gc = mw->menu.shadow_bottom_gc;
etched = True;
break;
case SHADOW_IN:
top_gc = mw->menu.shadow_bottom_gc;
bottom_gc = mw->menu.shadow_top_gc;
break;
case SHADOW_OUT:
default:
top_gc = mw->menu.shadow_top_gc;
bottom_gc = mw->menu.shadow_bottom_gc;
break;
}
if (etched)
{
unsigned int half = thickness/2;
shadow_rectangle_draw (dpy,
window,
top_gc,
top_gc,
x, y,
width - half, height - half,
thickness - half);
shadow_rectangle_draw (dpy,
window,
bottom_gc,
bottom_gc,
x + half, y + half,
width - half , height - half,
half);
}
else
{
shadow_rectangle_draw (dpy,
window,
top_gc,
bottom_gc,
x, y,
width, height,
thickness);
}
}
static void
arrow_decoration_draw (XlwMenuWidget mw,
Window window,
int x, int y,
unsigned int width,
Boolean raised)
{
Display *dpy = XtDisplay (mw);
GC top_gc;
GC bottom_gc;
GC select_gc;
int thickness = mw->menu.shadow_thickness;
XPoint points [4];
int half_width;
int length = (int)((double)width * 0.87);
int thick_med = (int)((double)thickness * 1.73);
if (width & 0x1)
half_width = width/2 + 1;
else
half_width = width/2;
select_gc = mw->menu.background_gc;
if (raised)
{
top_gc = mw->menu.shadow_bottom_gc;
bottom_gc = mw->menu.shadow_top_gc;
}
else
{
top_gc = mw->menu.shadow_top_gc;
bottom_gc = mw->menu.shadow_bottom_gc;
}
/* Fill internal area. We do this first so that the borders have a
nice sharp edge. */
points [0].x = x + thickness;
points [0].y = y + thickness;
points [1].x = x + length - thickness;
points [1].y = y + half_width;
points [2].x = x + length - thickness;
points [2].y = y + half_width + thickness;
points [3].x = x + thickness;
points [3].y = y + width - thickness;
XFillPolygon (dpy,
window,
select_gc,
points,
4,
Convex,
CoordModeOrigin);
/* left border */
points [0].x = x;
points [0].y = y;
points [1].x = x + thickness;
points [1].y = y + thick_med;
points [2].x = x + thickness;
points [2].y = y + width - thick_med;
points [3].x = x;
points [3].y = y + width;
XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin);
/* top border */
points [0].x = x;
points [0].y = y + width;
points [1].x = x + length;
points [1].y = y + half_width;
points [2].x = x + length - (thickness + thickness);
points [2].y = y + half_width;
points [3].x = x + thickness;
points [3].y = y + width - thick_med;
XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin);
/* bottom shadow */
points [0].x = x;
points [0].y = y;
points [1].x = x + length;
points [1].y = y + half_width;
points [2].x = x + length - (thickness + thickness);
points [2].y = y + half_width;
points [3].x = x + thickness;
points [3].y = y + thick_med;
XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin);
}
static void
toggle_decoration_draw (XlwMenuWidget mw,
Window window,
int x, int y,
unsigned int width,
Boolean set)
{
Display *dpy = XtDisplay (mw);
int thickness = mw->menu.shadow_thickness;
shadow_type type;
GC select_gc = mw->menu.select_gc;
if (set)
type = SHADOW_IN;
else
type = SHADOW_OUT;
/* Fill internal area. */
if (set)
XFillRectangle (dpy,
window,
select_gc,
x + thickness,
y + thickness,
width - (2*thickness),
width - (2*thickness));
shadow_draw (mw, window, x, y, width, width, type);
}
static void
radio_decoration_draw (XlwMenuWidget mw,
Window window,
int x, int y,
unsigned int width,
Boolean enabled)
{
Display *dpy = XtDisplay (mw);
GC top_gc;
GC bottom_gc;
GC select_gc = mw->menu.select_gc;
int thickness = mw->menu.shadow_thickness;
XPoint points[6];
int half_width;
#if 0
int npoints;
#endif /* 0 */
if (width & 0x1)
width++;
half_width = width/2;
if (enabled)
{
top_gc = mw->menu.shadow_bottom_gc;
bottom_gc = mw->menu.shadow_top_gc;
}
else
{
top_gc = mw->menu.shadow_top_gc;
bottom_gc = mw->menu.shadow_bottom_gc;
}
#if 1
/* Draw the bottom first, just in case the regions overlap.
The top should cast the longer shadow. */
points [0].x = x; /* left corner */
points [0].y = y + half_width;
points [1].x = x + half_width; /* bottom corner */
points [1].y = y + width;
points [2].x = x + half_width; /* bottom inside corner */
points [2].y = y + width - thickness;
points [3].x = x + thickness; /* left inside corner */
points [3].y = y + half_width;
XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin);
points [0].x = x + half_width; /* bottom corner */
points [0].y = y + width;
points [1].x = x + width; /* right corner */
points [1].y = y + half_width;
points [2].x = x + width - thickness; /* right inside corner */
points [2].y = y + half_width;
points [3].x = x + half_width; /* bottom inside corner */
points [3].y = y + width - thickness;
XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin);
points [0].x = x; /* left corner */
points [0].y = y + half_width;
points [1].x = x + half_width; /* top corner */
points [1].y = y;
points [2].x = x + half_width; /* top inside corner */
points [2].y = y + thickness;
points [3].x = x + thickness; /* left inside corner */
points [3].y = y + half_width;
XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin);
points [0].x = x + half_width; /* top corner */
points [0].y = y;
points [1].x = x + width; /* right corner */
points [1].y = y + half_width;
points [2].x = x + width - thickness; /* right inside corner */
points [2].y = y + half_width;
points [3].x = x + half_width; /* top inside corner */
points [3].y = y + thickness;
XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin);
#else
/* Draw the bottom first, just in case the regions overlap.
The top should cast the longer shadow. */
npoints = 0;
points [npoints].x = x; /* left corner */
points [npoints++].y = y + half_width;
points [npoints].x = x + half_width; /* bottom corner */
points [npoints++].y = y + width;
points [npoints].x = x + width; /* right corner */
points [npoints++].y = y + half_width;
points [npoints].x = x + width - thickness; /* right inside corner */
points [npoints++].y = y + half_width;
points [npoints].x = x + half_width; /* bottom inside corner */
points [npoints++].y = y + width - thickness;
points [npoints].x = x + thickness; /* left inside corner */
points [npoints++].y = y + half_width;
XFillPolygon (dpy, window, bottom_gc,
points, npoints, Nonconvex, CoordModeOrigin);
npoints = 0;
points [npoints].x = x; /* left corner */
points [npoints++].y = y + half_width;
points [npoints].x = x + half_width; /* top corner */
points [npoints++].y = y;
points [npoints].x = x + width; /* right corner */
points [npoints++].y = y + half_width;
points [npoints].x = x + width - thickness; /* right inside corner */
points [npoints++].y = y + half_width;
points [npoints].x = x + half_width; /* top inside corner */
points [npoints++].y = y + thickness;
points [npoints].x = x + thickness; /* left inside corner */
points [npoints++].y = y + half_width;
XFillPolygon (dpy, window, top_gc, points, npoints, Nonconvex,
CoordModeOrigin);
#endif
/* Fill internal area. */
if (enabled)
{
points [0].x = x + thickness;
points [0].y = y + half_width;
points [1].x = x + half_width;
points [1].y = y + thickness;
points [2].x = x + width - thickness;
points [2].y = y + half_width;
points [3].x = x + half_width;
points [3].y = y + width - thickness;
XFillPolygon (dpy,
window,
select_gc,
points,
4,
Convex,
CoordModeOrigin);
}
}
static void
separator_decoration_draw (XlwMenuWidget mw,
Window window,
int x, int y,
unsigned int width,
Boolean UNUSED (vertical),
shadow_type type)
{
Display *dpy = XtDisplay (mw);
GC top_gc;
GC bottom_gc;
unsigned int offset = 0;
unsigned int num_separators = 1;
unsigned int top_line_thickness = 0;
unsigned int bottom_line_thickness = 0;
Boolean dashed = False;
switch (type)
{
case SHADOW_NO_LINE: /* nothing to do */
return;
case SHADOW_DOUBLE_LINE:
num_separators = 2;
case SHADOW_SINGLE_LINE:
top_gc = bottom_gc = mw->menu.foreground_gc;
top_line_thickness = 1;
break;
case SHADOW_DOUBLE_DASHED_LINE:
num_separators = 2;
case SHADOW_SINGLE_DASHED_LINE:
top_gc = bottom_gc = mw->menu.foreground_gc;
top_line_thickness = 1;
dashed = True;
break;
case SHADOW_DOUBLE_ETCHED_OUT_DASH:
num_separators = 2;
case SHADOW_ETCHED_OUT_DASH:
top_gc = mw->menu.shadow_top_gc;
bottom_gc = mw->menu.shadow_bottom_gc;
top_line_thickness = mw->menu.shadow_thickness/2;
bottom_line_thickness = mw->menu.shadow_thickness - top_line_thickness;
dashed = True;
break;
case SHADOW_DOUBLE_ETCHED_IN_DASH:
num_separators = 2;
case SHADOW_ETCHED_IN_DASH:
top_gc = mw->menu.shadow_bottom_gc;
bottom_gc = mw->menu.shadow_top_gc;
top_line_thickness = mw->menu.shadow_thickness/2;
bottom_line_thickness = mw->menu.shadow_thickness - top_line_thickness;
dashed = True;
break;
case SHADOW_DOUBLE_ETCHED_OUT:
num_separators = 2;
case SHADOW_ETCHED_OUT:
top_gc = mw->menu.shadow_top_gc;
bottom_gc = mw->menu.shadow_bottom_gc;
top_line_thickness = mw->menu.shadow_thickness/2;
bottom_line_thickness = mw->menu.shadow_thickness - top_line_thickness;
break;
case SHADOW_DOUBLE_ETCHED_IN:
num_separators = 2;
case SHADOW_ETCHED_IN:
default:
top_gc = mw->menu.shadow_bottom_gc;
bottom_gc = mw->menu.shadow_top_gc;
top_line_thickness = mw->menu.shadow_thickness/2;
bottom_line_thickness = mw->menu.shadow_thickness - top_line_thickness;
break;
}
if (dashed)
{
XGCValues values;
values.line_style = LineOnOffDash;
if (top_line_thickness > 0)
XChangeGC (dpy, top_gc, GCLineStyle, &values);
if (bottom_line_thickness > 0 && bottom_gc != top_gc)
XChangeGC (dpy, bottom_gc, GCLineStyle, &values);
}
while (num_separators--)
{
unsigned int i;
for (i = 0; i < top_line_thickness; i++)
XDrawLine (dpy, window, top_gc, x, y + i, x + width, y + i);
for (i = 0; i < bottom_line_thickness; i++)
XDrawLine (dpy, window, bottom_gc,
x, y + top_line_thickness + offset + i,
x + width, y + top_line_thickness + offset + i);
y += (top_line_thickness + offset + bottom_line_thickness + 1);
}
if (dashed)
{
XGCValues values;
values.line_style = LineSolid;
if (top_line_thickness > 0)
XChangeGC (dpy, top_gc, GCLineStyle, &values);
if (bottom_line_thickness > 0 && bottom_gc != top_gc)
XChangeGC (dpy, bottom_gc, GCLineStyle, &values);
}
}
#define SLOPPY_TYPES 0 /* 0=off, 1=error check, 2=easy to please */
#if SLOPPY_TYPES
#if SLOPPY_TYPES < 2
static char *wv_types[] =
{
"UNSPECIFIED",
"BUTTON",
"TOGGLE",
"RADIO",
"TEXT",
"SEPARATOR",
"CASCADE",
"PUSHRIGHT",
"INCREMENTAL"
};
static void
print_widget_value (widget_value *wv, int just_one, int depth)
{
char d [200];
int i;
for (i = 0; i < depth; i++)
d[i] = ' ';
d[depth]=0;
if (!wv)
{
printf ("%s(null widget value pointer)\n", d);
return;
}
printf ("%stype: %s\n", d, wv_types [wv->type]);
#if 0
printf ("%sname: %s\n", d, (wv->name ? wv->name : "(null)"));
#else
if (wv->name) printf ("%sname: %s\n", d, wv->name);
#endif
if (wv->value) printf ("%svalue: %s\n", d, wv->value);
if (wv->key) printf ("%skey: %s\n", d, wv->key);
printf ("%senabled: %d\n", d, wv->enabled);
if (wv->contents)
{
printf ("\n%scontents: \n", d);
print_widget_value (wv->contents, 0, depth + 5);
}
if (!just_one && wv->next)
{
printf ("\n");
print_widget_value (wv->next, 0, depth);
}
}
#endif /* SLOPPY_TYPES < 2 */
static Boolean
all_dashes_p (char *s)
{
char *p;
if (!s || s[0] == '\0')
return False;
for (p = s; *p == '-'; p++);
if (*p == '!' || *p == '\0')
return True;
return False;
}
#endif /* SLOPPY_TYPES */
static widget_value_type
menu_item_type (widget_value *val)
{
if (val->type != UNSPECIFIED_TYPE)
return val->type;
#if SLOPPY_TYPES
else if (all_dashes_p (val->name))
return SEPARATOR_TYPE;
else if (val->name && val->name[0] == '\0') /* push right */
return PUSHRIGHT_TYPE;
else if (val->contents) /* cascade */
return CASCADE_TYPE;
else if (val->call_data) /* push button */
return BUTTON_TYPE;
else
return TEXT_TYPE;
#else
else
abort();
return UNSPECIFIED_TYPE; /* Not reached */
#endif
}
static void
label_button_size (XlwMenuWidget mw,
widget_value *val,
Boolean UNUSED (in_menubar),
unsigned int *toggle_width,
unsigned int *label_width,
unsigned int *bindings_width,
unsigned int *height)
{
*height = (mw->menu.font_ascent + mw->menu.font_descent +
2 * mw->menu.vertical_margin +
2 * mw->menu.shadow_thickness);
/* no left column decoration */
*toggle_width = mw->menu.horizontal_margin + mw->menu.shadow_thickness;
*label_width = string_width_u (mw, resource_widget_value (mw, val));
*bindings_width = mw->menu.horizontal_margin + mw->menu.shadow_thickness;
}
static void
label_button_draw (XlwMenuWidget mw,
widget_value *val,
Boolean in_menubar,
Boolean highlighted,
Window window,
int x, int y,
unsigned int UNUSED (width),
unsigned int UNUSED (height),
unsigned int label_offset,
unsigned int UNUSED (binding_tab))
{
int y_offset = mw->menu.shadow_thickness + mw->menu.vertical_margin;
GC gc;
#ifdef HAVE_XFT_MENUBARS
XftColor color, colorBg;
Display *display = XtDisplay (mw);
Colormap cmap = mw->core.colormap;
Visual *visual;
int ignored, pixel, pixelBg;
visual_info_from_widget ((Widget) mw, &visual, &ignored);
#endif
if (!label_offset)
label_offset = mw->menu.shadow_thickness + mw->menu.horizontal_margin;
if (highlighted && (in_menubar || val->contents))
{
#ifdef HAVE_XFT_MENUBARS
pixel = mw->menu.highlight_foreground;
pixelBg = mw->core.background_pixel;
#endif
gc = mw->menu.highlight_gc;
}
else if (in_menubar || val->contents)
{
#ifdef HAVE_XFT_MENUBARS
pixel = mw->menu.foreground;
pixelBg = mw->core.background_pixel;
#endif
gc = mw->menu.foreground_gc;
}
else
{
#ifdef HAVE_XFT_MENUBARS
pixel = mw->menu.title_foreground;
pixelBg = mw->core.background_pixel;
#endif
gc = mw->menu.title_gc;
}
#ifdef HAVE_XFT_MENUBARS
color = xft_convert_color (display, cmap, visual, pixel, 0);
colorBg = xft_convert_color (display, cmap, visual, pixelBg, 0);
#endif
/* Draw the label string. */
string_draw_u (mw, /* XXX */
window,
x + label_offset, y + y_offset,
#ifdef HAVE_XFT_MENUBARS
&color, &colorBg, gc,
#else
gc,
#endif
resource_widget_value (mw, val));
}
static void
push_button_size (XlwMenuWidget mw,
widget_value *val,
Boolean in_menubar,
unsigned int *toggle_width,
unsigned int *label_width,
unsigned int *bindings_width,
unsigned int *height)
{
/* inherit */
label_button_size (mw, val, in_menubar,
toggle_width, label_width, bindings_width,
height);
/* key bindings to display? */
if (!in_menubar && val->key)
{
int w;
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
XmString key = XmStringCreateLtoR (val->key, XmSTRING_DEFAULT_CHARSET);
w = string_width (mw, key);
XmStringFree (key);
#else
char *key = val->key;
w = string_width (mw, key);
#endif
*bindings_width += w + mw->menu.column_spacing;
}
}
static void
push_button_draw (XlwMenuWidget mw,
widget_value *val,
Boolean in_menubar,
Boolean highlighted,
Window window,
int x, int y,
unsigned int width,
unsigned int height,
unsigned int label_offset,
unsigned int binding_offset)
{
int y_offset = mw->menu.shadow_thickness + mw->menu.vertical_margin;
GC gc;
shadow_type type;
Boolean menu_pb = in_menubar && (menu_item_type (val) == BUTTON_TYPE);
#ifdef HAVE_XFT_MENUBARS
XftColor color, colorBg;
Display *display = XtDisplay (mw);
Colormap cmap = mw->core.colormap;
Visual *visual;
int ignored, pixel, pixelBg, dim = 0;
visual_info_from_widget ((Widget) mw, &visual, &ignored);
#endif
/* Draw the label string. */
if (!label_offset)
label_offset = mw->menu.shadow_thickness + mw->menu.horizontal_margin;
if (highlighted)
{
if (val->enabled)
{
#ifdef HAVE_XFT_MENUBARS
pixel = mw->menu.highlight_foreground;
pixelBg = mw->core.background_pixel;
#endif
gc = mw->menu.highlight_gc;
}
else
{
#ifdef HAVE_XFT_MENUBARS
dim = 1;
pixel = mw->menu.foreground;
pixelBg = mw->core.background_pixel;
#endif
gc = mw->menu.inactive_gc;
}
}
else if (menu_pb)
{
if (val->enabled)
{
#ifdef HAVE_XFT_MENUBARS
pixel = mw->menu.button_foreground;
pixelBg = mw->core.background_pixel;
#endif
gc = mw->menu.button_gc;
}
else
{
#ifdef HAVE_XFT_MENUBARS
dim = 1;
pixel = mw->menu.button_foreground;
pixelBg = mw->core.background_pixel;
#endif
gc = mw->menu.inactive_button_gc;
}
}
else
{
if (val->enabled)
{
#ifdef HAVE_XFT_MENUBARS
pixel = mw->menu.foreground;
pixelBg = mw->core.background_pixel;
#endif
gc = mw->menu.foreground_gc;
}
else
{
#ifdef HAVE_XFT_MENUBARS
dim = 1;
pixel = mw->menu.foreground;
pixelBg = mw->core.background_pixel;
#endif
gc = mw->menu.inactive_gc;
}
}
#ifdef HAVE_XFT_MENUBARS
color = xft_convert_color (display, cmap, visual, pixel, dim);
colorBg = xft_convert_color (display, cmap, visual, pixelBg, 0);
#endif
string_draw_u (mw,
window,
x + label_offset, y + y_offset,
#ifdef HAVE_XFT_MENUBARS
&color, &colorBg, gc,
#else
gc,
#endif
resource_widget_value (mw, val));
/* Draw the keybindings */
if (val->key)
{
if (!binding_offset)
{
unsigned int s_width =
string_width (mw, resource_widget_value (mw, val));
binding_offset = label_offset + s_width + mw->menu.shadow_thickness;
}
binding_draw (mw, window,
x + binding_offset + mw->menu.column_spacing,
y + y_offset,
#ifdef HAVE_XFT_MENUBARS
&color, &colorBg,
#else
gc,
#endif
val->key);
}
/* Draw the shadow */
if (menu_pb)
{
if (highlighted)
type = SHADOW_OUT;
else
type = (val->selected ? SHADOW_ETCHED_OUT : SHADOW_ETCHED_IN);
}
else
{
if (highlighted)
type = SHADOW_OUT;
else
type = SHADOW_BACKGROUND;
}
shadow_draw (mw, window, x, y, width, height, type);
}
static unsigned int
arrow_decoration_height (XlwMenuWidget mw)
{
int result = (mw->menu.font_ascent + mw->menu.font_descent) / 2;
result += 2 * mw->menu.shadow_thickness;
if (result > (mw->menu.font_ascent + mw->menu.font_descent))
result = mw->menu.font_ascent + mw->menu.font_descent;
return result;
}
static void
cascade_button_size (XlwMenuWidget mw,
widget_value *val,
Boolean in_menubar,
unsigned int *toggle_width,
unsigned int *label_width,
unsigned int *arrow_width,
unsigned int *height)
{
/* inherit */
label_button_size (mw, val, in_menubar,
toggle_width, label_width, arrow_width,
height);
/* we have a pull aside arrow */
if (!in_menubar)
{
*arrow_width += arrow_decoration_height (mw) + mw->menu.column_spacing;
}
}
static void
cascade_button_draw (XlwMenuWidget mw,
widget_value *val,
Boolean in_menubar,
Boolean highlighted,
Window window,
int x, int y,
unsigned int width,
unsigned int height,
unsigned int label_offset,
unsigned int binding_offset)
{
shadow_type type;
/* Draw the label string. */
label_button_draw (mw, val, in_menubar, highlighted,
window, x, y, width, height, label_offset,
binding_offset);
/* Draw the pull aside arrow */
if (!in_menubar && val->contents)
{
int y_offset;
unsigned int arrow_height = arrow_decoration_height (mw);
y_offset = mw->menu.shadow_thickness + mw->menu.vertical_margin +
(mw->menu.font_ascent+mw->menu.font_descent - arrow_height)/2;
if (!binding_offset)
{
unsigned int s_width =
string_width (mw, resource_widget_value (mw, val));
if (!label_offset)
label_offset = mw->menu.shadow_thickness +
mw->menu.horizontal_margin;
binding_offset = label_offset + s_width + mw->menu.shadow_thickness;
}
arrow_decoration_draw (mw,
window,
x + binding_offset + mw->menu.column_spacing,
y + y_offset,
arrow_height,
highlighted);
}
/* Draw the shadow */
if (highlighted)
type = SHADOW_OUT;
else
type = SHADOW_BACKGROUND;
shadow_draw (mw, window, x, y, width, height, type);
}
static unsigned int
toggle_decoration_height (XlwMenuWidget mw)
{
int rv;
if (mw->menu.indicator_size > 0)
rv = mw->menu.indicator_size;
else
rv = mw->menu.font_ascent;
if (rv > (mw->menu.font_ascent + mw->menu.font_descent))
rv = mw->menu.font_ascent + mw->menu.font_descent;
/* radio button can't be smaller than its border or a filling
error will occur. */
if (rv < 2 * mw->menu.shadow_thickness)
rv = 2 * mw->menu.shadow_thickness;
return rv;
}
static void
toggle_button_size (XlwMenuWidget mw,
widget_value *val,
Boolean in_menubar,
unsigned int *toggle_width,
unsigned int *label_width,
unsigned int *bindings_width,
unsigned int *height)
{
/* inherit */
push_button_size (mw, val, in_menubar,
toggle_width, label_width, bindings_width,
height);
/* we have a toggle */
*toggle_width += toggle_decoration_height (mw) + mw->menu.column_spacing;
}
static void
toggle_button_draw (XlwMenuWidget mw,
widget_value *val,
Boolean in_menubar,
Boolean highlighted,
Window window,
int x, int y,
unsigned int width,
unsigned int height,
unsigned int label_tab,
unsigned int binding_tab)
{
int x_offset;
int y_offset;
unsigned int t_height = toggle_decoration_height (mw);
/* Draw a toggle. */
x_offset = mw->menu.shadow_thickness + mw->menu.horizontal_margin;
y_offset = mw->menu.shadow_thickness + mw->menu.vertical_margin;
y_offset += (mw->menu.font_ascent + mw->menu.font_descent - t_height)/2;
toggle_decoration_draw (mw, window, x + x_offset, y + y_offset,
t_height, val->selected);
/* Draw the pushbutton parts. */
push_button_draw (mw, val, in_menubar, highlighted, window, x, y, width,
height, label_tab, binding_tab);
}
static unsigned int
radio_decoration_height (XlwMenuWidget mw)
{
return toggle_decoration_height (mw);
}
static void
radio_button_draw (XlwMenuWidget mw,
widget_value *val,
Boolean in_menubar,
Boolean highlighted,
Window window,
int x, int y,
unsigned int width,
unsigned int height,
unsigned int label_tab,
unsigned int binding_tab)
{
int x_offset;
int y_offset;
unsigned int r_height = radio_decoration_height (mw);
/* Draw a toggle. */
x_offset = mw->menu.shadow_thickness + mw->menu.horizontal_margin;
y_offset = mw->menu.shadow_thickness + mw->menu.vertical_margin;
y_offset += (mw->menu.font_ascent + mw->menu.font_descent - r_height)/2;
radio_decoration_draw (mw, window, x + x_offset, y + y_offset, r_height,
val->selected);
/* Draw the pushbutton parts. */
push_button_draw (mw, val, in_menubar, highlighted, window, x, y, width,
height, label_tab, binding_tab);
}
static struct _shadow_names
{
const char * name;
shadow_type type;
} shadow_names[] =
{
/* Motif */
{ "singleLine", SHADOW_SINGLE_LINE },
{ "doubleLine", SHADOW_DOUBLE_LINE },
{ "singleDashedLine", SHADOW_SINGLE_DASHED_LINE },
{ "doubleDashedLine", SHADOW_DOUBLE_DASHED_LINE },
{ "noLine", SHADOW_NO_LINE },
{ "shadowEtchedIn", SHADOW_ETCHED_IN },
{ "shadowEtchedOut", SHADOW_ETCHED_OUT },
{ "shadowEtchedInDash", SHADOW_ETCHED_IN_DASH },
{ "shadowEtchedOutDash", SHADOW_ETCHED_OUT_DASH },
/* non-Motif */
{ "shadowDoubleEtchedIn", SHADOW_DOUBLE_ETCHED_IN },
{ "shadowDoubleEtchedOut", SHADOW_DOUBLE_ETCHED_OUT },
{ "shadowDoubleEtchedInDash", SHADOW_DOUBLE_ETCHED_IN_DASH },
{ "shadowDoubleEtchedOutDash", SHADOW_DOUBLE_ETCHED_OUT_DASH }
};
static shadow_type
separator_type (char *name)
{
if (name)
{
int i;
for (i = 0; i < (int) (XtNumber (shadow_names)); i++ )
{
if (strcmp (name, shadow_names[i].name) == 0)
return shadow_names[i].type;
}
}
return SHADOW_BACKGROUND;
}
static unsigned int
separator_decoration_height (XlwMenuWidget mw, widget_value *val)
{
switch (separator_type (val->value))
{
case SHADOW_NO_LINE:
case SHADOW_SINGLE_LINE:
case SHADOW_SINGLE_DASHED_LINE:
return 1;
case SHADOW_DOUBLE_LINE:
case SHADOW_DOUBLE_DASHED_LINE:
return 3;
case SHADOW_DOUBLE_ETCHED_OUT:
case SHADOW_DOUBLE_ETCHED_IN:
case SHADOW_DOUBLE_ETCHED_OUT_DASH:
case SHADOW_DOUBLE_ETCHED_IN_DASH:
return (1 + 2 * mw->menu.shadow_thickness);
case SHADOW_ETCHED_OUT:
case SHADOW_ETCHED_IN:
default:
return mw->menu.shadow_thickness;
}
}
static void
separator_size (XlwMenuWidget mw,
widget_value *val,
Boolean UNUSED (in_menubar),
unsigned int *toggle_width,
unsigned int *label_width,
unsigned int *rest_width,
unsigned int *height)
{
*height = separator_decoration_height (mw, val);
*label_width = 1;
*toggle_width = *rest_width = 0;
}
static void
separator_draw (XlwMenuWidget mw,
widget_value *val,
Boolean in_menubar,
Boolean UNUSED (highlighted),
Window window,
int x, int y,
unsigned int width,
unsigned int height,
unsigned int UNUSED (label_tab),
unsigned int UNUSED (binding_tab))
{
unsigned int sep_width;
if (in_menubar)
sep_width = height;
else
sep_width = width;
separator_decoration_draw (mw,
window,
x,
y,
sep_width,
in_menubar,
separator_type(val->value));
}
static void
pushright_size (XlwMenuWidget UNUSED (mw),
widget_value *UNUSED (val),
Boolean UNUSED (in_menubar),
unsigned int *toggle_width,
unsigned int *label_width,
unsigned int *rest_width,
unsigned int *height)
{
*height = *label_width = *toggle_width = *rest_width = 0;
}
static void
size_menu_item (XlwMenuWidget mw,
widget_value *val,
int horizontal,
unsigned int *toggle_width,
unsigned int *label_width,
unsigned int *rest_width,
unsigned int *height)
{
void (*function_ptr) (XlwMenuWidget _mw,
widget_value *_val,
Boolean _in_menubar,
unsigned int *_toggle_width,
unsigned int *_label_width,
unsigned int *_rest_width,
unsigned int *_height);
switch (menu_item_type (val))
{
case TOGGLE_TYPE:
case RADIO_TYPE:
function_ptr = toggle_button_size;
break;
case SEPARATOR_TYPE:
function_ptr = separator_size;
break;
case INCREMENTAL_TYPE:
case CASCADE_TYPE:
function_ptr = cascade_button_size;
break;
case BUTTON_TYPE:
function_ptr = push_button_size;
break;
case PUSHRIGHT_TYPE:
function_ptr = pushright_size;
break;
case TEXT_TYPE:
default:
function_ptr = label_button_size;
break;
}
(*function_ptr) (mw,
val,
horizontal,
toggle_width,
label_width,
rest_width,
height);
}
static void
display_menu_item (XlwMenuWidget mw,
widget_value *val,
window_state *ws,
XPoint *where,
Boolean highlighted,
Boolean horizontal,
Boolean just_compute)
{
int x = where->x /* + mw->menu.shadow_thickness */ ;
int y = where->y /* + mw->menu.shadow_thickness */ ;
unsigned int toggle_width;
unsigned int label_width;
unsigned int binding_width;
unsigned int width;
unsigned int height;
unsigned int label_tab;
unsigned int binding_tab;
void (*function_ptr) (XlwMenuWidget _mw,
widget_value *_val,
Boolean _in_menubar,
Boolean _highlighted,
Window _window,
int _x, int _y,
unsigned int _width,
unsigned int _height,
unsigned int _label_tab,
unsigned int _binding_tab);
size_menu_item (mw, val, horizontal,
&toggle_width, &label_width, &binding_width, &height);
if (horizontal)
{
width = toggle_width + label_width + binding_width;
height = ws->height - 2 * mw->menu.shadow_thickness;
}
else
{
width = ws->width - 2 * mw->menu.shadow_thickness;
toggle_width = ws->toggle_width;
label_width = ws->label_width;
}
where->x += width;
where->y += height;
if (just_compute)
return;
label_tab = toggle_width;
binding_tab = toggle_width + label_width;
switch (menu_item_type (val))
{
case TOGGLE_TYPE:
function_ptr = toggle_button_draw;
break;
case RADIO_TYPE:
function_ptr = radio_button_draw;
break;
case SEPARATOR_TYPE:
function_ptr = separator_draw;
break;
case INCREMENTAL_TYPE:
case CASCADE_TYPE:
function_ptr = cascade_button_draw;
break;
case BUTTON_TYPE:
function_ptr = push_button_draw;
break;
case TEXT_TYPE:
function_ptr = label_button_draw;
break;
default: /* do no drawing */
return;
}
(*function_ptr) (mw,
val,
horizontal,
highlighted,
ws->window,
x, y,
width, height,
label_tab,
binding_tab);
}
static void
size_menu (XlwMenuWidget mw, int level)
{
unsigned int toggle_width;
unsigned int label_width;
unsigned int rest_width;
unsigned int height;
unsigned int max_toggle_width = 0;
unsigned int max_label_width = 0;
unsigned int max_rest_width = 0;
unsigned int max_height = 0;
int horizontal_p = mw->menu.horizontal && (level == 0);
widget_value* val;
window_state* ws;
if (level >= mw->menu.old_depth)
abort ();
ws = &mw->menu.windows [level];
for (val = mw->menu.old_stack [level]->contents; val; val = val->next)
{
size_menu_item (mw,
val,
horizontal_p,
&toggle_width,
&label_width,
&rest_width,
&height);
if (horizontal_p)
{
max_label_width += toggle_width + label_width + rest_width;
if (height > max_height)
max_height = height;
}
else
{
if (max_toggle_width < toggle_width)
max_toggle_width = toggle_width;
if (max_label_width < label_width)
max_label_width = label_width;
if (max_rest_width < rest_width)
max_rest_width = rest_width;
max_height += height;
}
}
ws->height = max_height;
ws->width = max_label_width + max_rest_width + max_toggle_width;
ws->toggle_width = max_toggle_width;
ws->label_width = max_label_width;
ws->width += 2 * mw->menu.shadow_thickness;
ws->height += 2 * mw->menu.shadow_thickness;
}
static void
display_menu (XlwMenuWidget mw, int level, Boolean just_compute_p,
XPoint *highlighted_pos, XPoint *hit, widget_value **hit_return,
widget_value *this_, widget_value *that)
{
widget_value *val;
widget_value *following_item;
window_state *ws;
XPoint where;
int horizontal_p = mw->menu.horizontal && (level == 0);
int highlighted_p;
int just_compute_this_one_p;
if (level >= mw->menu.old_depth)
abort ();
if (level < mw->menu.old_depth - 1)
following_item = mw->menu.old_stack [level + 1];
else
{
if (lw_menu_accelerate
&& level == mw->menu.old_depth - 1
&& mw->menu.old_stack [level]->type == CASCADE_TYPE)
just_compute_p = True;
following_item = NULL;
}
#if SLOPPY_TYPES == 1
puts("===================================================================");
print_widget_value (following_item, 1, 0);
#endif
if (hit)
*hit_return = NULL;
where.x = mw->menu.shadow_thickness;
where.y = mw->menu.shadow_thickness;
ws = &mw->menu.windows [level];
for (val = mw->menu.old_stack [level]->contents; val; val = val->next)
{
XPoint start;
highlighted_p = (val == following_item);
/* If this is the partition (the dummy item which says that menus
after this should be flushright) then figure out how big the
following items are. This means we walk down the tail of the
list twice, but that's no big deal - it's short.
*/
if (horizontal_p && (menu_item_type (val) == PUSHRIGHT_TYPE))
{
widget_value *rest;
XPoint flushright_size;
int new_x;
flushright_size.x = 0;
flushright_size.y = 0;
for (rest = val; rest; rest = rest->next)
display_menu_item (mw, rest, ws, &flushright_size,
highlighted_p, horizontal_p, True);
new_x = ws->width - (flushright_size.x + mw->menu.shadow_thickness);
if (new_x > where.x)
where.x = new_x;
/* We know what we need; don't draw this item. */
continue;
}
if (highlighted_p && highlighted_pos)
{
if (horizontal_p)
highlighted_pos->x = where.x;
else
highlighted_pos->y = where.y;
}
just_compute_this_one_p =
just_compute_p || ((this_ || that) && val != this_ && val != that);
start.x = where.x;
start.y = where.y;
display_menu_item (mw, val, ws, &where, highlighted_p, horizontal_p,
just_compute_this_one_p);
if (highlighted_p && highlighted_pos)
{
if (horizontal_p)
highlighted_pos->y = ws->height;
else
highlighted_pos->x = ws->width;
}
if (hit && !*hit_return)
{
if (horizontal_p && hit->x > start.x && hit->x <= where.x)
*hit_return = val;
else if (!horizontal_p && hit->y > start.y && hit->y <= where.y)
*hit_return = val;
}
if (horizontal_p)
where.y = mw->menu.shadow_thickness;
else
where.x = mw->menu.shadow_thickness;
}
/* Draw slab edges around menu */
if (!just_compute_p)
shadow_draw(mw, ws->window, 0, 0, ws->width, ws->height, SHADOW_OUT);
}
/* Motion code */
static void
set_new_state (XlwMenuWidget mw, widget_value *val, int level)
{
int i;
mw->menu.new_depth = 0;
for (i = 0; i < level; i++)
push_new_stack (mw, mw->menu.old_stack [i]);
if (val)
push_new_stack (mw, val);
}
static void
make_windows_if_needed (XlwMenuWidget mw, int n)
{
int i;
int start_at;
XSetWindowAttributes xswa;
Widget p;
unsigned long mask;
int depth;
Visual *visual;
window_state *windows;
Window root;
if (mw->menu.windows_length >= n)
return;
root = RootWindowOfScreen (XtScreen(mw));
/* use visual_info_from_widget() from lwlib-colors.c */
/* grab the visual and depth from the nearest shell ancestor */
visual = CopyFromParent;
depth = CopyFromParent;
p = XtParent(mw);
while (visual == CopyFromParent && p)
{
if (XtIsShell(p))
{
visual = ((ShellWidget)p)->shell.visual;
depth = p->core.depth;
}
p = XtParent(p);
}
xswa.save_under = True;
xswa.override_redirect = True;
xswa.background_pixel = mw->core.background_pixel;
xswa.border_pixel = mw->core.border_pixel;
xswa.event_mask = (ExposureMask | ButtonMotionMask
| ButtonReleaseMask | ButtonPressMask);
xswa.cursor = mw->menu.cursor_shape;
xswa.colormap = mw->core.colormap;
mask = CWSaveUnder | CWOverrideRedirect | CWBackPixel | CWBorderPixel
| CWEventMask | CWCursor | CWColormap;
if (mw->menu.use_backing_store)
{
xswa.backing_store = Always;
mask |= CWBackingStore;
}
if (!mw->menu.windows)
{
mw->menu.windows =
(window_state *) XtMalloc (n * sizeof (window_state));
start_at = 0;
}
else
{
mw->menu.windows =
(window_state *) XtRealloc ((char *) mw->menu.windows,
n * sizeof (window_state));
start_at = mw->menu.windows_length;
}
mw->menu.windows_length = n;
windows = mw->menu.windows;
for (i = start_at; i < n; i++)
{
windows [i].x = 0;
windows [i].y = 0;
windows [i].width = 1;
windows [i].height = 1;
windows [i].window =
XCreateWindow (XtDisplay (mw),
root,
0, 0, 1, 1,
0, depth, CopyFromParent, visual, mask, &xswa);
}
}
/* Make the window fit in the screen */
static void
fit_to_screen (XlwMenuWidget mw, window_state *ws, window_state *previous_ws,
Boolean horizontal_p)
{
int screen_width = WidthOfScreen (XtScreen (mw));
int screen_height = HeightOfScreen (XtScreen (mw));
if (ws->x < 0)
ws->x = 0;
else if ((int) (ws->x + ws->width) > screen_width)
{
if (!horizontal_p)
ws->x = previous_ws->x - ws->width;
else
{
ws->x = screen_width - ws->width;
/* This check is to make sure we cut off the right side
instead of the left side if the menu is wider than the
screen. */
if (ws->x < 0)
ws->x = 0;
}
}
if (ws->y < 0)
ws->y = 0;
else if ((int) (ws->y + ws->height) > screen_height)
{
if (horizontal_p)
{
/* A pulldown must either be entirely above or below the menubar.
If we're here, the pulldown doesn't fit below the menubar, so
let's determine if it will fit above the menubar.
Only put it above if there is more room above than below.
Note shadow_thickness offset to allow for slab surround.
*/
if (ws->y > (screen_height / 2))
ws->y = previous_ws->y - ws->height + mw->menu.shadow_thickness;
}
else
{
ws->y = screen_height - ws->height;
/* if it's taller than the screen, display the topmost part
that will fit, beginning at the top of the screen. */
if (ws->y < 0)
ws->y = 0;
}
}
}
/* Updates old_stack from new_stack and redisplays. */
static void
remap_menubar (XlwMenuWidget mw)
{
int i;
int last_same;
XPoint selection_position;
int old_depth = mw->menu.old_depth;
int new_depth = mw->menu.new_depth;
widget_value **old_stack;
widget_value **new_stack;
window_state *windows;
widget_value *old_selection;
widget_value *new_selection;
/* Check that enough windows and old_stack are ready. */
make_windows_if_needed (mw, new_depth);
make_old_stack_space (mw, new_depth);
windows = mw->menu.windows;
old_stack = mw->menu.old_stack;
new_stack = mw->menu.new_stack;
/* compute the last identical different entry */
for (i = 1; i < old_depth && i < new_depth; i++)
if (old_stack [i] != new_stack [i])
break;
last_same = i - 1;
if (lw_menu_accelerate
&& last_same
&& last_same == old_depth - 1
&& old_stack [last_same]->contents)
last_same--;
/* Memorize the previously selected item to be able to refresh it */
old_selection = last_same + 1 < old_depth ? old_stack [last_same + 1] : NULL;
new_selection = last_same + 1 < new_depth ? new_stack [last_same + 1] : NULL;
/* updates old_state from new_state. It has to be done now because
display_menu (called below) uses the old_stack to know what to display. */
for (i = last_same + 1; i < new_depth; i++)
old_stack [i] = new_stack [i];
mw->menu.old_depth = new_depth;
/* refresh the last selection */
selection_position.x = 0;
selection_position.y = 0;
display_menu (mw, last_same, new_selection == old_selection,
&selection_position, NULL, NULL, old_selection, new_selection);
/* Now popup the new menus */
for (i = last_same + 1; i < new_depth && new_stack [i]->contents; i++)
{
window_state *previous_ws = &windows [i - 1];
window_state *ws = &windows [i];
if (lw_menu_accelerate && i == new_depth - 1)
break;
ws->x = previous_ws->x + selection_position.x;
ws->y = previous_ws->y + selection_position.y;
/* take into account the slab around the new menu */
ws->y -= mw->menu.shadow_thickness;
{
widget_value *val = mw->menu.old_stack [i];
if (val->contents->type == INCREMENTAL_TYPE)
{
/* okay, we're now doing a lisp callback to incrementally generate
more of the menu. */
XtCallCallbackList ((Widget)mw,
mw->menu.open,
(XtPointer)val->contents);
}
}
size_menu (mw, i);
fit_to_screen (mw, ws, previous_ws, mw->menu.horizontal && i == 1);
XClearWindow (XtDisplay (mw), ws->window);
XMoveResizeWindow (XtDisplay (mw), ws->window, ws->x, ws->y,
ws->width, ws->height);
XMapRaised (XtDisplay (mw), ws->window);
display_menu (mw, i, False, &selection_position, NULL, NULL, NULL, NULL);
}
/* unmap the menus that popped down */
last_same = new_depth;
if (lw_menu_accelerate
&& last_same > 1
&& new_stack [last_same - 1]->contents)
last_same--;
for (i = last_same - 1; i < old_depth; i++)
if (i >= last_same || !new_stack [i]->contents)
XUnmapWindow (XtDisplay (mw), windows [i].window);
}
static Boolean
motion_event_is_in_menu (XlwMenuWidget mw, XMotionEvent *ev, int level,
XPoint *relative_pos)
{
window_state *ws = &mw->menu.windows [level];
int x = level == 0 ? ws->x : ws->x + mw->menu.shadow_thickness;
int y = level == 0 ? ws->y : ws->y + mw->menu.shadow_thickness;
relative_pos->x = ev->x_root - x;
relative_pos->y = ev->y_root - y;
return (x < ev->x_root && ev->x_root < (int) (x + ws->width) &&
y < ev->y_root && ev->y_root < (int) (y + ws->height));
}
static Boolean
map_event_to_widget_value (XlwMenuWidget mw, XMotionEvent *ev,
widget_value **val_ptr, int *level,
Boolean *inside_menu)
{
int i;
XPoint relative_pos;
window_state* ws;
*val_ptr = NULL;
*inside_menu = False;
/* Find the window */
#if 1
for (i = mw->menu.old_depth - 1; i >= 0; i--)
#else
for (i = 0; i <= mw->menu.old_depth - 1; i++)
#endif
{
ws = &mw->menu.windows [i];
if (ws && motion_event_is_in_menu (mw, ev, i, &relative_pos))
{
*inside_menu = True; /* special logic for menubar below... */
if ((ev->type == ButtonPress) ||
(ev->state != 0))
{
display_menu (mw, i, True, NULL, &relative_pos,
val_ptr, NULL, NULL);
if (*val_ptr)
{
*level = i + 1;
*inside_menu = True;
return True;
}
else if (mw->menu.horizontal || i == 0)
{
/* if we're clicking on empty part of the menubar, then
unpost the stay-up menu */
*inside_menu = False;
}
}
}
}
return False;
}
/* Procedures */
static void
make_drawing_gcs (XlwMenuWidget mw)
{
XGCValues xgcv;
#ifdef HAVE_XFT_MENUBARS
unsigned long flags = (GCForeground | GCBackground);
#else
unsigned long flags = (GCFont | GCForeground | GCBackground);
#endif
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
xgcv.font = default_font_of_font_list (mw->menu.font_list)->fid;
#else
#ifndef HAVE_XFT_MENUBARS
xgcv.font = mw->menu.font->fid;
#endif
#endif
xgcv.foreground = mw->core.background_pixel;
xgcv.background = mw->menu.foreground;
mw->menu.background_gc = XtGetGC ((Widget) mw, flags, &xgcv);
xgcv.foreground = mw->menu.foreground;
xgcv.background = mw->core.background_pixel;
mw->menu.foreground_gc = XtGetGC ((Widget) mw, flags, &xgcv);
if (mw->menu.select_color != (Pixel)-1)
{
xgcv.foreground = mw->menu.select_color;
}
else
{
Display *dpy = XtDisplay(mw);
if (CellsOfScreen(DefaultScreenOfDisplay(dpy)) <= 2)
{ /* mono */
xgcv.foreground = mw->menu.foreground;
}
else
{ /* color */
XColor xcolor;
Visual *visual;
int ignore;
Colormap cmap;
visual_info_from_widget ((Widget) mw, &visual, &ignore);
cmap = mw->core.colormap;
xcolor.pixel = mw->core.background_pixel;
XQueryColor (dpy, cmap, &xcolor);
xcolor.red = (xcolor.red * 17) / 20;
xcolor.green = (xcolor.green * 17) / 20;
xcolor.blue = (xcolor.blue * 17) / 20;
if (x_allocate_nearest_color (dpy, cmap, visual, &xcolor))
xgcv.foreground = xcolor.pixel;
}
}
xgcv.background = mw->core.background_pixel;
mw->menu.select_gc = XtGetGC ((Widget) mw, flags, &xgcv);
xgcv.foreground = mw->menu.foreground;
xgcv.background = mw->core.background_pixel;
xgcv.fill_style = FillStippled;
xgcv.stipple = mw->menu.gray_pixmap;
mw->menu.inactive_gc = XtGetGC ((Widget)mw,
(flags | GCFillStyle | GCStipple),
&xgcv);
xgcv.foreground = mw->menu.highlight_foreground;
xgcv.background = mw->core.background_pixel;
mw->menu.highlight_gc = XtGetGC ((Widget)mw, flags, &xgcv);
xgcv.foreground = mw->menu.title_foreground;
xgcv.background = mw->core.background_pixel;
mw->menu.title_gc = XtGetGC ((Widget)mw, flags, &xgcv);
xgcv.foreground = mw->menu.button_foreground;
xgcv.background = mw->core.background_pixel;
mw->menu.button_gc = XtGetGC ((Widget)mw, flags, &xgcv);
xgcv.fill_style = FillStippled;
xgcv.stipple = mw->menu.gray_pixmap;
mw->menu.inactive_button_gc = XtGetGC ((Widget)mw,
(flags | GCFillStyle | GCStipple),
&xgcv);
}
static void
release_drawing_gcs (XlwMenuWidget mw)
{
XtReleaseGC ((Widget) mw, mw->menu.foreground_gc);
XtReleaseGC ((Widget) mw, mw->menu.button_gc);
XtReleaseGC ((Widget) mw, mw->menu.highlight_gc);
XtReleaseGC ((Widget) mw, mw->menu.title_gc);
XtReleaseGC ((Widget) mw, mw->menu.inactive_gc);
XtReleaseGC ((Widget) mw, mw->menu.inactive_button_gc);
XtReleaseGC ((Widget) mw, mw->menu.background_gc);
XtReleaseGC ((Widget) mw, mw->menu.select_gc);
/* let's get some segvs if we try to use these... */
mw->menu.foreground_gc = (GC) -1;
mw->menu.button_gc = (GC) -1;
mw->menu.highlight_gc = (GC) -1;
mw->menu.title_gc = (GC) -1;
mw->menu.inactive_gc = (GC) -1;
mw->menu.inactive_button_gc = (GC) -1;
mw->menu.background_gc = (GC) -1;
mw->menu.select_gc = (GC) -1;
}
static void
make_shadow_gcs (XlwMenuWidget mw)
{
XGCValues xgcv;
unsigned long pm = 0;
Display *dpy = XtDisplay ((Widget) mw);
Colormap cmap = mw->core.colormap;
Visual *visual;
int ignored;
XColor topc, botc;
int top_frobbed = 0, bottom_frobbed = 0;
visual_info_from_widget ((Widget) mw, &visual, &ignored);
/* #### Apparently this is called before any shell has a visual?
or maybe the widget doesn't have a parent yet? */
if (visual == CopyFromParent)
{
Screen *screen = DefaultScreenOfDisplay (dpy);
visual = DefaultVisualOfScreen (screen);
}
if (mw->menu.top_shadow_color == (Pixel) (-1))
mw->menu.top_shadow_color = mw->core.background_pixel;
if (mw->menu.bottom_shadow_color == (Pixel) (-1))
mw->menu.bottom_shadow_color = mw->menu.foreground;
if (mw->menu.top_shadow_color == mw->core.background_pixel ||
mw->menu.top_shadow_color == mw->menu.foreground)
{
topc.pixel = mw->core.background_pixel;
XQueryColor (dpy, cmap, &topc);
/* don't overflow/wrap! */
topc.red = MINL (65535, topc.red * 1.2);
topc.green = MINL (65535, topc.green * 1.2);
topc.blue = MINL (65535, topc.blue * 1.2);
if (x_allocate_nearest_color (dpy, cmap, visual, &topc))
{
if (topc.pixel == mw->core.background_pixel)
{
XFreeColors( dpy, cmap, &topc.pixel, 1, 0);
topc.red = MINL (65535, topc.red + 0x8000);
topc.green = MINL (65535, topc.green + 0x8000);
topc.blue = MINL (65535, topc.blue + 0x8000);
if (x_allocate_nearest_color (dpy, cmap, visual, &topc))
{
mw->menu.top_shadow_color = topc.pixel;
}
}
else
{
mw->menu.top_shadow_color = topc.pixel;
}
top_frobbed = 1;
}
}
if (mw->menu.bottom_shadow_color == mw->menu.foreground ||
mw->menu.bottom_shadow_color == mw->core.background_pixel)
{
botc.pixel = mw->core.background_pixel;
XQueryColor (dpy, cmap, &botc);
botc.red = (botc.red * 3) / 5;
botc.green = (botc.green * 3) / 5;
botc.blue = (botc.blue * 3) / 5;
if (x_allocate_nearest_color (dpy, cmap, visual, &botc))
{
if (botc.pixel == mw->core.background_pixel)
{
XFreeColors (dpy, cmap, &botc.pixel, 1, 0);
botc.red = MINL (65535, botc.red + 0x4000);
botc.green = MINL (65535, botc.green + 0x4000);
botc.blue = MINL (65535, botc.blue + 0x4000);
if (x_allocate_nearest_color (dpy, cmap, visual, &botc))
{
mw->menu.bottom_shadow_color = botc.pixel;
}
}
else
{
mw->menu.bottom_shadow_color = botc.pixel;
}
bottom_frobbed = 1;
}
}
if (top_frobbed && bottom_frobbed)
{
int top_avg = ((topc.red / 3) + (topc.green / 3) + (topc.blue / 3));
int bot_avg = ((botc.red / 3) + (botc.green / 3) + (botc.blue / 3));
if (bot_avg > top_avg)
{
Pixel tmp = mw->menu.top_shadow_color;
mw->menu.top_shadow_color = mw->menu.bottom_shadow_color;
mw->menu.bottom_shadow_color = tmp;
}
else if (topc.pixel == botc.pixel)
{
if (botc.pixel == mw->menu.foreground)
mw->menu.top_shadow_color = mw->core.background_pixel;
else
mw->menu.bottom_shadow_color = mw->menu.foreground;
}
}
if (!mw->menu.top_shadow_pixmap &&
mw->menu.top_shadow_color == mw->core.background_pixel)
{
mw->menu.top_shadow_pixmap = mw->menu.gray_pixmap;
mw->menu.top_shadow_color = mw->menu.foreground;
}
if (!mw->menu.bottom_shadow_pixmap &&
mw->menu.bottom_shadow_color == mw->core.background_pixel)
{
mw->menu.bottom_shadow_pixmap = mw->menu.gray_pixmap;
mw->menu.bottom_shadow_color = mw->menu.foreground;
}
xgcv.fill_style = FillOpaqueStippled;
xgcv.foreground = mw->menu.top_shadow_color;
xgcv.background = mw->core.background_pixel;
/* xgcv.stipple = mw->menu.top_shadow_pixmap; gtb */
if (mw->menu.top_shadow_pixmap &&
mw->menu.top_shadow_pixmap != XmUNSPECIFIED_PIXMAP)
xgcv.stipple = mw->menu.top_shadow_pixmap;
else
xgcv.stipple = 0;
pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0);
mw->menu.shadow_top_gc =
XtGetGC((Widget)mw, GCForeground|GCBackground|pm, &xgcv);
xgcv.foreground = mw->menu.bottom_shadow_color;
/* xgcv.stipple = mw->menu.bottom_shadow_pixmap; gtb */
if (mw->menu.bottom_shadow_pixmap &&
mw->menu.bottom_shadow_pixmap != XmUNSPECIFIED_PIXMAP)
xgcv.stipple = mw->menu.bottom_shadow_pixmap;
else
xgcv.stipple = 0;
pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0);
mw->menu.shadow_bottom_gc =
XtGetGC ((Widget)mw, GCForeground|GCBackground|pm, &xgcv);
}
static void
release_shadow_gcs (XlwMenuWidget mw)
{
XtReleaseGC ((Widget) mw, mw->menu.shadow_top_gc);
XtReleaseGC ((Widget) mw, mw->menu.shadow_bottom_gc);
}
static void
extract_font_extents (XlwMenuWidget mw)
{
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
/* Find the maximal ascent/descent of the fonts in the font list
so that all menu items can be the same height... */
mw->menu.font_ascent = 0;
mw->menu.font_descent = 0;
{
XmFontContext context;
#if (XmVersion >= 1002)
XmFontListEntry fontentry;
#else
XmStringCharSet charset;
#endif
XFontStruct *font;
if (! XmFontListInitFontContext (&context, mw->menu.font_list))
abort ();
#if (XmVersion >= 1002)
/* There is a BUG in the 1.2 version of XmFontListGetNextFont() (or more
specifically, in _XmGetFirstFont()) that can cause a null pointer to be
passed to XFontsOfFontSet. Use XmFontListNextEntry(), which is the
newer equivalent, instead. Also, it supports font sets, and the
older function doesn't. */
while ((fontentry = XmFontListNextEntry (context)))
{
XmFontType rettype;
XtPointer one_of_them = XmFontListEntryGetFont (fontentry, &rettype);
if (rettype == XmFONT_IS_FONTSET)
{
XFontSet fontset = (XFontSet) one_of_them;
XFontStruct **fontstruct_list;
char **fontname_list;
int fontcount = XFontsOfFontSet (fontset, &fontstruct_list,
&fontname_list);
while (--fontcount >= 0)
{
font = fontstruct_list[fontcount];
if (font->ascent > (int) mw->menu.font_ascent)
mw->menu.font_ascent = font->ascent;
if (font->descent > (int) mw->menu.font_descent)
mw->menu.font_descent = font->descent;
}
}
else /* XmFONT_IS_FONT */
{
font = (XFontStruct *) one_of_them;
if (font->ascent > (int) mw->menu.font_ascent)
mw->menu.font_ascent = font->ascent;
if (font->descent > (int) mw->menu.font_descent)
mw->menu.font_descent = font->descent;
}
}
#else /* motif 1.1 */
while (XmFontListGetNextFont (context, &charset, &font))
{
if (font->ascent > (int) mw->menu.font_ascent)
mw->menu.font_ascent = font->ascent;
if (font->descent > (int) mw->menu.font_descent)
mw->menu.font_descent = font->descent;
XtFree (charset);
}
#endif /* Motif version */
XmFontListFreeFontContext (context);
}
#else /* Not Motif */
# ifdef USE_XFONTSET
XFontStruct **fontstruct_list;
char **fontname_list;
XFontStruct *font;
int fontcount = XFontsOfFontSet(mw->menu.font_set, &fontstruct_list,
&fontname_list);
mw->menu.font_ascent = 0;
mw->menu.font_descent = 0;
# if 0 /* nasty, personal debug, Kazz */
fprintf(stderr, "fontSet count is %d\n", fontcount);
# endif
while (--fontcount >= 0) {
font = fontstruct_list[fontcount];
if (font->ascent > (int) mw->menu.font_ascent)
mw->menu.font_ascent = font->ascent;
if (font->descent > (int) mw->menu.font_descent)
mw->menu.font_descent = font->descent;
}
# else /* ! USE_XFONTSET */
#ifdef HAVE_XFT_MENUBARS
mw->menu.font_ascent = mw->menu.renderFont->ascent;
mw->menu.font_descent = mw->menu.renderFont->descent;
#else
mw->menu.font_ascent = mw->menu.font->ascent;
mw->menu.font_descent = mw->menu.font->descent;
#endif
# endif
#endif /* NEED_MOTIF */
}
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
static XFontStruct *
default_font_of_font_list (XmFontList font_list)
{
XFontStruct *font = 0;
# if 0
/* Xm/Label.c does this: */
_XmFontListGetDefaultFont (font_list, &font);
# else /* !0 */
{
XmFontContext context;
#if (XmVersion >= 1002)
XmFontListEntry fontentry;
XmFontType rettype;
XtPointer one_of_them;
#else
XmStringCharSet charset;
#endif
if (! XmFontListInitFontContext (&context, font_list))
abort ();
#if (XmVersion >= 1002)
/* There is a BUG in the 1.2 version of XmFontListGetNextFont() (or more
specifically, in _XmGetFirstFont()) that can cause a null pointer to be
passed to XFontsOfFontSet. Use XmFontListNextEntry(), which is the
newer equivalent, instead. */
fontentry = XmFontListNextEntry (context);
one_of_them = XmFontListEntryGetFont (fontentry, &rettype);
if (rettype == XmFONT_IS_FONTSET)
{
XFontSet fontset = (XFontSet) one_of_them;
XFontStruct **fontstruct_list;
char **fontname_list;
(void) XFontsOfFontSet (fontset, &fontstruct_list, &fontname_list);
font = fontstruct_list[0];
}
else /* XmFONT_IS_FONT */
{
font = (XFontStruct *) one_of_them;
}
#else
if (! XmFontListGetNextFont (context, &charset, &font))
abort ();
XtFree (charset);
#endif
XmFontListFreeFontContext (context);
}
# endif /* !0 */
if (! font) abort ();
return font;
}
#endif /* NEED_MOTIF */
static void
XlwMenuInitialize (Widget UNUSED (request), Widget new_, ArgList UNUSED (args),
Cardinal *UNUSED (num_args))
{
/* Get the GCs and the widget size */
XlwMenuWidget mw = (XlwMenuWidget)new_;
Window window = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw)));
Display *display = XtDisplay (mw);
/* mw->menu.cursor = XCreateFontCursor (display, mw->menu.cursor_shape); */
mw->menu.cursor = mw->menu.cursor_shape;
mw->menu.gray_pixmap =
XCreatePixmapFromBitmapData (display, window, (char *) gray_bits,
gray_width, gray_height, 1, 0, 1);
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
/* #### Even if it's a kludge!!!, we should consider doing the same for
X Font Sets. */
/* The menu.font_list slot came from the *fontList resource (Motif standard.)
The menu.font_list_2 slot came from the *font resource, for backward
compatibility with older versions of this code, and consistency with the
rest of emacs. If both font and fontList are specified, we use fontList.
If only one is specified, we use that. If neither are specified, we
use the "fallback" value. What a kludge!!!
Note that this has the bug that a more general wildcard like "*fontList:"
will override a more specific resource like "Emacs*menubar.font:". But
I can't think of a way around that.
*/
if (mw->menu.font_list) /* if *fontList is specified, use that */
;
else if (mw->menu.font_list_2) /* else if *font is specified, use that */
mw->menu.font_list = mw->menu.font_list_2;
else /* otherwise use default */
mw->menu.font_list = mw->menu.fallback_font_list;
#endif
#ifdef HAVE_XFT_MENUBARS
/* #### kludge for name change */
if (!mw->menu.fcFontName)
mw->menu.fcFontName = mw->menu.xftFontName;
/* to do this right, we should add a new Xt Resource type +
conversion function
*/
mw->menu.renderFont =
xft_open_font_by_name (XtDisplay (mw), mw->menu.fcFontName);
#endif
make_drawing_gcs (mw);
make_shadow_gcs (mw);
extract_font_extents (mw);
mw->menu.popped_up = False;
mw->menu.pointer_grabbed = False;
mw->menu.next_release_must_exit = False;
mw->menu.old_depth = 1;
mw->menu.old_stack = XtNew (widget_value*);
mw->menu.old_stack_length = 1;
mw->menu.old_stack [0] = mw->menu.contents;
mw->menu.new_depth = 0;
mw->menu.new_stack = 0;
mw->menu.new_stack_length = 0;
push_new_stack (mw, mw->menu.contents);
mw->menu.windows = XtNew (window_state);
mw->menu.windows_length = 1;
mw->menu.windows [0].x = 0;
mw->menu.windows [0].y = 0;
mw->menu.windows [0].width = 0;
mw->menu.windows [0].height = 0;
size_menu (mw, 0);
mw->core.width = mw->menu.windows [0].width;
mw->core.height = mw->menu.windows [0].height;
}
static void
XlwMenuClassInitialize (void)
{
initialize_massaged_resource_char();
}
static void
XlwMenuRealize (Widget w, Mask *valueMask, XSetWindowAttributes *attributes)
{
XlwMenuWidget mw = (XlwMenuWidget)w;
XSetWindowAttributes xswa;
unsigned long mask;
(*xlwMenuWidgetClass->core_class.superclass->core_class.realize)
(w, valueMask, attributes);
xswa.save_under = True;
xswa.cursor = mw->menu.cursor_shape;
mask = CWSaveUnder | CWCursor;
if (mw->menu.use_backing_store)
{
xswa.backing_store = Always;
mask |= CWBackingStore;
}
XChangeWindowAttributes (XtDisplay (w), XtWindow (w), mask, &xswa);
mw->menu.windows [0].window = XtWindow (w);
mw->menu.windows [0].x = w->core.x;
mw->menu.windows [0].y = w->core.y;
mw->menu.windows [0].width = w->core.width;
mw->menu.windows [0].height = w->core.height;
}
/* Only the toplevel menubar/popup is a widget so it's the only one that
receives expose events through Xt. So we repaint all the other panes
when receiving an Expose event. */
static void
XlwMenuRedisplay (Widget w, XEvent *UNUSED (ev), Region UNUSED (region))
{
XlwMenuWidget mw = (XlwMenuWidget)w;
int i;
if (mw->core.being_destroyed) return;
for (i = 0; i < mw->menu.old_depth; i++)
display_menu (mw, i, False, NULL, NULL, NULL, NULL, NULL);
set_new_state (mw, NULL, mw->menu.old_depth); /* #### - ??? */
remap_menubar (mw); /* #### - do these two lines do anything? */
}
static void
XlwMenuDestroy (Widget w)
{
int i;
XlwMenuWidget mw = (XlwMenuWidget) w;
if (mw->menu.pointer_grabbed)
{
XtUngrabPointer (w, CurrentTime);
mw->menu.pointer_grabbed = False;
}
release_drawing_gcs (mw);
release_shadow_gcs (mw);
/* this doesn't come from the resource db but is created explicitly
so we must free it ourselves. */
XFreePixmap (XtDisplay (mw), mw->menu.gray_pixmap);
mw->menu.gray_pixmap = (Pixmap) -1;
#ifdef HAVE_XFT_MENUBARS
XftFontClose (XtDisplay (mw), mw->menu.renderFont);
#endif
/* Don't free mw->menu.contents because that comes from our creator.
The `*_stack' elements are just pointers into `contents' so leave
that alone too. But free the stacks themselves. */
if (mw->menu.old_stack) XtFree ((char *) mw->menu.old_stack);
if (mw->menu.new_stack) XtFree ((char *) mw->menu.new_stack);
/* Remember, you can't free anything that came from the resource
database. This includes:
mw->menu.cursor
mw->menu.top_shadow_pixmap
mw->menu.bottom_shadow_pixmap
mw->menu.font
mw->menu.font_set
Also the color cells of top_shadow_color, bottom_shadow_color,
foreground, and button_foreground will never be freed until this
client exits. Nice, eh?
*/
/* start from 1 because the one in slot 0 is w->core.window */
for (i = 1; i < mw->menu.windows_length; i++)
XDestroyWindow (XtDisplay (mw), mw->menu.windows [i].window);
if (mw->menu.windows)
XtFree ((char *) mw->menu.windows);
}
static Boolean
XlwMenuSetValues (Widget current, Widget UNUSED (request), Widget new_,
ArgList UNUSED (args), Cardinal *UNUSED (num_args))
{
XlwMenuWidget oldmw = (XlwMenuWidget)current;
XlwMenuWidget newmw = (XlwMenuWidget)new_;
Boolean redisplay = False;
int i;
if (newmw->menu.contents
&& newmw->menu.contents->contents
&& newmw->menu.contents->contents->change >= VISIBLE_CHANGE)
redisplay = True;
if (newmw->core.background_pixel != oldmw->core.background_pixel
|| newmw->menu.foreground != oldmw->menu.foreground
/* For the XEditResource protocol, which may want to change the font. */
#if defined(NEED_MOTIF) && !defined(HAVE_XFT_MENUBARS)
|| newmw->menu.font_list != oldmw->menu.font_list
|| newmw->menu.font_list_2 != oldmw->menu.font_list_2
|| newmw->menu.fallback_font_list != oldmw->menu.fallback_font_list
#else
#ifdef HAVE_XFT_MENUBARS
|| newmw->menu.renderFont != oldmw->menu.renderFont
#else
|| newmw->menu.font != oldmw->menu.font
#endif
#endif
)
{
release_drawing_gcs (newmw);
make_drawing_gcs (newmw);
redisplay = True;
for (i = 0; i < oldmw->menu.windows_length; i++)
{
XSetWindowBackground (XtDisplay (oldmw),
oldmw->menu.windows [i].window,
newmw->core.background_pixel);
/* clear windows and generate expose events */
XClearArea (XtDisplay (oldmw), oldmw->menu.windows[i].window,
0, 0, 0, 0, True);
}
}
return redisplay;
}
static void
XlwMenuResize (Widget w)
{
XlwMenuWidget mw = (XlwMenuWidget)w;
mw->menu.windows [0].width = mw->core.width;
mw->menu.windows [0].height = mw->core.height;
}
/* Action procedures */
static void
handle_single_motion_event (XlwMenuWidget mw, XMotionEvent *ev,
Boolean select_p)
{
widget_value *val;
Boolean stay_up;
int level;
if (!map_event_to_widget_value (mw, ev, &val, &level, &stay_up))
{
/* we wind up here when: (a) the event is in the menubar, (b) the
event isn't in the menubar or any of the panes, (c) the event is on
a disabled menu item */
pop_new_stack_if_no_contents (mw);
if (select_p && !stay_up) {
/* pop down all menus and exit */
mw->menu.next_release_must_exit = True;
set_new_state(mw, (val = NULL), 1);
}
}
else
{
/* we wind up here when: (a) the event pops up a pull_right menu,
(b) a menu item that is not disabled is highlighted */
if (select_p && mw->menu.bounce_down
&& close_to_reference_time((Widget)mw,
mw->menu.menu_bounce_time,
(XEvent *)ev))
{
/* motion can cause more than one event. Don't bounce right back
up if we've just bounced down. */
val = NULL;
}
else if (select_p && mw->menu.bounce_down &&
mw->menu.last_selected_val &&
(mw->menu.last_selected_val == val))
{
val = NULL; /* assigned to mw->last_selected_val below */
mw->menu.menu_bounce_time = ev->time;
/* popdown last menu if we're selecting the same menu item as we did
last time and the XlwMenu.bounceDown resource is set, if the
item is on the menubar itself, then exit. */
if (level == (mw->menu.popped_up ? 0 : 1))
mw->menu.next_release_must_exit = True;
}
else
mw->menu.menu_bounce_time = 0;
set_new_state (mw, val, level);
}
mw->menu.last_selected_val = val;
remap_menubar (mw);
/* Sync with the display. Makes it feel better on X terms. */
XFlush (XtDisplay (mw));
}
static void
handle_motion_event (XlwMenuWidget mw, XMotionEvent *ev,
Boolean select_p)
{
int x = ev->x_root;
int y = ev->y_root;
unsigned int state = ev->state;
XMotionEvent *event= ev, dummy;
/* allow motion events to be generated again */
dummy.window = ev->window;
if (ev->is_hint
&& XQueryPointer (XtDisplay (mw), dummy.window,
&dummy.root, &dummy.subwindow,
&dummy.x_root, &dummy.y_root,
&dummy.x, &dummy.y,
&dummy.state)
&& dummy.state == state
&& (dummy.x_root != x || dummy.y_root != y))
{
/* don't handle the event twice or that breaks bounce_down. --Stig */
dummy.type = ev->type;
event = &dummy;
}
lw_menu_accelerate = False;
handle_single_motion_event (mw, event, select_p);
}
Time x_focus_timestamp_really_sucks_fix_me_better;
static void
Start (Widget w, XEvent *ev, String *UNUSED (params),
Cardinal *UNUSED (num_params))
{
XlwMenuWidget mw = (XlwMenuWidget)w;
lw_menubar_widget = w;
lw_menu_active = True;
if (!mw->menu.pointer_grabbed)
{
mw->menu.menu_post_time = ev->xbutton.time;
mw->menu.menu_bounce_time = 0;
mw->menu.next_release_must_exit = True;
mw->menu.last_selected_val = NULL;
x_focus_timestamp_really_sucks_fix_me_better =
((XButtonPressedEvent*)ev)->time;
XtCallCallbackList ((Widget)mw, mw->menu.open, NULL);
/* notes the absolute position of the menubar window */
mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x;
mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y;
XtGrabPointer ((Widget)mw, False,
(ButtonMotionMask | ButtonReleaseMask | ButtonPressMask),
GrabModeAsync, GrabModeAsync,
None, mw->menu.cursor_shape,
((XButtonPressedEvent*)ev)->time);
mw->menu.pointer_grabbed = True;
}
/* handles the down like a move, slots are mostly compatible */
handle_motion_event (mw, &ev->xmotion, True);
}
static void
Drag (Widget w, XEvent *ev, String *UNUSED (params),
Cardinal *UNUSED (num_params))
{
XlwMenuWidget mw = (XlwMenuWidget)w;
handle_motion_event (mw, &ev->xmotion, False);
}
static void
Select (Widget w, XEvent *ev, String *UNUSED (params),
Cardinal *UNUSED (num_params))
{
XlwMenuWidget mw = (XlwMenuWidget)w;
widget_value *selected_item = mw->menu.old_stack [mw->menu.old_depth - 1];
lw_menu_accelerate = False;
/* If user releases the button quickly, without selecting anything,
after the initial down-click that brought the menu up,
do nothing. */
if ((selected_item == 0 || selected_item->call_data == 0)
&& (!mw->menu.next_release_must_exit
|| close_to_reference_time(w, mw->menu.menu_post_time, ev)))
{
mw->menu.next_release_must_exit = False;
return;
}
/* pop down everything */
mw->menu.new_depth = 1;
remap_menubar (mw);
/* Destroy() only gets called for popup menus. Menubar widgets aren't
destroyed when their menu panes get nuked. */
if (mw->menu.pointer_grabbed)
{
XtUngrabPointer ((Widget)w, ev->xmotion.time);
mw->menu.pointer_grabbed = False;
}
if (mw->menu.popped_up)
{
mw->menu.popped_up = False;
XtPopdown (XtParent (mw));
}
lw_menu_active = False;
x_focus_timestamp_really_sucks_fix_me_better =
((XButtonPressedEvent*)ev)->time;
/* callback */
XtCallCallbackList ((Widget) mw, mw->menu.select, (XtPointer) selected_item);
}
/* Action procedures for keyboard accelerators */
/* set the menu */
void
xlw_set_menu (Widget w, widget_value *val)
{
lw_menubar_widget = w;
set_new_state ((XlwMenuWidget)w, val, 1);
}
/* prepare the menu structure via the call-backs */
void
xlw_map_menu (Time t)
{
XlwMenuWidget mw = (XlwMenuWidget)lw_menubar_widget;
lw_menu_accelerate = True;
if (!mw->menu.pointer_grabbed)
{
XWindowAttributes ret;
Window parent,root = 0UL;
Window *waste = NULL;
unsigned int num_waste;
lw_menu_active = True;
mw->menu.menu_post_time = t;
mw->menu.menu_bounce_time = 0;
mw->menu.next_release_must_exit = True;
mw->menu.last_selected_val = NULL;
XtCallCallbackList ((Widget)mw, mw->menu.open, NULL);
/* do this for keyboards too! */
/* notes the absolute position of the menubar window */
/*
mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x;
mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y;
*/
/* get the geometry of the menubar */
/* there has to be a better way than this. */
mw->menu.windows [0].x = 0;
mw->menu.windows [0].y = 0;
parent = XtWindow (lw_menubar_widget);
do
{
XGetWindowAttributes (XtDisplay (lw_menubar_widget), parent, &ret);
mw->menu.windows [0].x += ret.x;
mw->menu.windows [0].y += ret.y;
if (parent)
XQueryTree (XtDisplay (lw_menubar_widget), parent, &root, &parent, &waste,
&num_waste);
if (waste)
{
XFree (waste);
}
}
while (parent != root);
XtGrabPointer ((Widget)mw, False,
(ButtonMotionMask | ButtonReleaseMask | ButtonPressMask),
GrabModeAsync, GrabModeAsync,
None, mw->menu.cursor_shape, t);
mw->menu.pointer_grabbed = True;
}
}
/* display the stupid menu already */
void
xlw_display_menu (Time UNUSED (t))
{
XlwMenuWidget mw = (XlwMenuWidget)lw_menubar_widget;
lw_menu_accelerate = True;
remap_menubar (mw);
/* Sync with the display. Makes it feel better on X terms. */
XFlush (XtDisplay (mw));
}
/* push a sub menu */
void
xlw_push_menu (widget_value *val)
{
push_new_stack ((XlwMenuWidget)lw_menubar_widget, val);
}
/* pop a sub menu */
int
xlw_pop_menu (void)
{
if (((XlwMenuWidget)lw_menubar_widget)->menu.new_depth > 0)
((XlwMenuWidget)lw_menubar_widget)->menu.new_depth --;
else
return 0;
return 1;
}
void
xlw_kill_menus (widget_value *val)
{
XlwMenuWidget mw = (XlwMenuWidget)lw_menubar_widget;
lw_menu_accelerate = False;
mw->menu.new_depth = 1;
remap_menubar (mw);
if (mw->menu.pointer_grabbed)
{
XtUngrabPointer (lw_menubar_widget, CurrentTime);
mw->menu.pointer_grabbed = False;
}
lw_menu_active = False;
XtCallCallbackList (lw_menubar_widget, mw->menu.select, (XtPointer)val);
}
/* set the menu item */
void
xlw_set_item (widget_value *val)
{
if (((XlwMenuWidget)lw_menubar_widget)->menu.new_depth > 0)
((XlwMenuWidget) lw_menubar_widget)->menu.new_depth --;
push_new_stack ((XlwMenuWidget) lw_menubar_widget, val);
}
/* get either the current entry or a list of all entries in the current submenu */
widget_value *
xlw_get_entries (int allp)
{
XlwMenuWidget mw = (XlwMenuWidget)lw_menubar_widget;
if (allp)
{
if (mw->menu.new_depth >= 2)
return mw->menu.new_stack [mw->menu.new_depth - 2]->contents;
else
return mw->menu.new_stack[0];
}
else
if (mw->menu.new_depth >= 1)
return mw->menu.new_stack [mw->menu.new_depth - 1];
return NULL;
}
int
xlw_menu_level (void)
{
return ((XlwMenuWidget)lw_menubar_widget)->menu.new_depth;
}
/* Special code to pop-up a menu */
void
xlw_pop_up_menu (XlwMenuWidget mw, XButtonPressedEvent *event)
{
int x = event->x_root;
int y = event->y_root;
int w;
int h;
int borderwidth = mw->menu.shadow_thickness;
Screen* screen = XtScreen (mw);
mw->menu.menu_post_time = event->time;
mw->menu.menu_bounce_time = 0;
mw->menu.next_release_must_exit = True;
mw->menu.last_selected_val = NULL;
XtCallCallbackList ((Widget) mw, mw->menu.open, NULL);
size_menu (mw, 0);
w = mw->menu.windows [0].width;
h = mw->menu.windows [0].height;
x -= borderwidth;
y -= borderwidth;
if (x < borderwidth)
x = borderwidth;
if (x > WidthOfScreen (screen) - w - 2 * borderwidth)
x = WidthOfScreen (screen) - w - 2 * borderwidth;
if (y < borderwidth)
y = borderwidth;
if (y > HeightOfScreen (screen) - h - 2 * borderwidth)
y = HeightOfScreen (screen) - h - 2 * borderwidth;
mw->menu.popped_up = True;
XtConfigureWidget (XtParent (mw), x, y, w, h,
XtParent (mw)->core.border_width);
XtPopup (XtParent (mw), XtGrabExclusive);
display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL);
if (!mw->menu.pointer_grabbed)
{
XtGrabPointer ((Widget)mw, False,
(ButtonMotionMask | ButtonReleaseMask | ButtonPressMask),
GrabModeAsync, GrabModeAsync,
None, mw->menu.cursor_shape, event->time);
mw->menu.pointer_grabbed = True;
}
mw->menu.windows [0].x = x + borderwidth;
mw->menu.windows [0].y = y + borderwidth;
handle_motion_event (mw, (XMotionEvent *) event, True);
}
/* #### unused */
#if 0
/*
* This is a horrible function which should not be needed.
* use it to put the resize method back the way the XlwMenu
* class initializer put it. Motif screws with this when
* the XlwMenu class gets instantiated.
*/
void
xlw_unmunge_class_resize (Widget w)
{
if (w->core.widget_class->core_class.resize != XlwMenuResize)
w->core.widget_class->core_class.resize = XlwMenuResize;
}
#endif /* 0 */