232 lines
5.2 KiB
Groff
232 lines
5.2 KiB
Groff
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.\" Copyright 1993 X Consortium
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.\"
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.\" Permission is hereby granted, free of charge, to any person obtaining
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.\" a copy of this software and associated documentation files (the
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.\" "Software"), to deal in the Software without restriction, including
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.\" without limitation the rights to use, copy, modify, merge, publish,
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.\" distribute, sublicense, and/or sell copies of the Software, and to
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.\" permit persons to whom the Software is furnished to do so, subject to
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.\" the following conditions:
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.\"
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.\" The above copyright notice and this permission notice shall be
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.\" included in all copies or substantial portions of the Software.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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.\" EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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.\" IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
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.\" OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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.\" ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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.\" OTHER DEALINGS IN THE SOFTWARE.
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.\"
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.\" Except as contained in this notice, the name of the X Consortium shall
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.\" not be used in advertising or otherwise to promote the sale, use or
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.\" other dealings in this Software without prior written authorization
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.\" from the X Consortium.
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.\"
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.ds tk X Toolkit
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.ds xT X Toolkit Intrinsics \- C Language Interface
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.ds xI Intrinsics
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.ds xW X Toolkit Athena Widgets \- C Language Interface
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.ds xL Xlib \- C Language X Interface
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.ds xC Inter-Client Communication Conventions Manual
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.ds Rn 3
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.ds Vn 2.2
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.hw XtCallback-Popdown wid-get
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.na
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.de Ds
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.nf
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.\\$1D \\$2 \\$1
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.ft 1
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.ps \\n(PS
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.\".if \\n(VS>=40 .vs \\n(VSu
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.\".if \\n(VS<=39 .vs \\n(VSp
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..
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.de De
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.ce 0
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.if \\n(BD .DF
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.nr BD 0
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.in \\n(OIu
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.if \\n(TM .ls 2
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.sp \\n(DDu
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.fi
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..
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.de FD
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.LP
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.KS
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.TA .5i 3i
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.ta .5i 3i
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.nf
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..
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.de FN
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.fi
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.KE
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.LP
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..
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.de IN \" send an index entry to the stderr
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..
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.de C{
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.KS
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.nf
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.D
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.\"
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.\" choose appropriate monospace font
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.\" the imagen conditional, 480,
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.\" may be changed to L if LB is too
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.\" heavy for your eyes...
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.\"
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.ie "\\*(.T"480" .ft L
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.el .ie "\\*(.T"300" .ft L
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.el .ie "\\*(.T"202" .ft PO
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.el .ie "\\*(.T"aps" .ft CW
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.el .ft R
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.ps \\n(PS
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.ie \\n(VS>40 .vs \\n(VSu
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.el .vs \\n(VSp
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..
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.de C}
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.DE
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.R
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..
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.de Pn
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.ie t \\$1\fB\^\\$2\^\fR\\$3
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.el \\$1\fI\^\\$2\^\fP\\$3
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..
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.de ZN
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.ie t \fB\^\\$1\^\fR\\$2
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.el \fI\^\\$1\^\fP\\$2
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..
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.de NT
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.ne 7
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.ds NO Note
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.if \\n(.$>$1 .if !'\\$2'C' .ds NO \\$2
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.if \\n(.$ .if !'\\$1'C' .ds NO \\$1
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.ie n .sp
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.el .sp 10p
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.TB
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.ce
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\\*(NO
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.ie n .sp
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.if '\\$1'C' .ce 99
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.if '\\$2'C' .ce 99
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.in +5n
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.ll -5n
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.R
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..
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. \" Note End -- doug kraft 3/85
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.de NE
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.ce 0
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.in -5n
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.ie n .sp
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.el .sp 10p
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..
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.ny0
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.TH XtPopdown __libmansuffix__ __xorgversion__ "XT FUNCTIONS"
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.SH NAME
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XtPopdown, XtCallbackPopdown \- unmap a pop-up
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.SH SYNTAX
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.HP
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void XtPopdown(Widget \fIpopup_shell\fP);
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.HP
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void XtCallbackPopdown(Widget \fIw\fP, XtPointer \fIclient_data\fP, XtPointer
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\fIcall_data\fP);
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.HP
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void MenuPopdown(String \fIshell_name\fP);
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.SH ARGUMENTS
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.IP \fIcall_data\fP 1i
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Specifies the callback data,
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which is not used by this procedure.
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.IP \fIclient_data\fP 1i
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Specifies a pointer to the
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.ZN XtPopdownID
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structure.
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.ds Ps \ to pop down
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.IP \fIpopup_shell\fP 1i
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Specifies the widget shell\*(Ps.
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.ds Sn down
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.IP \fIshell_name\fP 1i
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Specifies the name of the widget shell to pop \*(Sn.
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.IP \fIw\fP 1i
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Specifies the widget.
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.SH DESCRIPTION
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The
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.ZN XtPopdown
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function performs the following:
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.IP \(bu 5
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Calls
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.ZN XtCheckSubclass
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.\".ZN XtCheckSubclass(popup_shell, popupShellWidgetClass)
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to ensure popup_shell is a subclass of
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.ZN Shell .
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.IP \(bu 5
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Checks that popup_shell is currently popped_up;
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otherwise, it generates an error.
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.IP \(bu 5
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Unmaps popup_shell's window.
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.IP \(bu 5
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If popup_shell's grab_kind is either
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.ZN XtGrabNonexclusive
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or
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.ZN XtGrabExclusive ,
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it calls
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.ZN XtRemoveGrab .
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.\".ZN XtRemoveGrab(popup_shell)
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.IP \(bu 5
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Sets pop-up shell's popped_up field to
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.ZN False .
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.IP \(bu 5
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Calls the callback procedures on the shell's popdown_callback list.
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.LP
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The
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.ZN XtCallbackPopdown
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function casts the client data parameter to an
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.ZN XtPopdownID
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pointer:
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.LP
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.Ds 0
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.TA .5i 3i
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.ta .5i 3i
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typedef struct {
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Widget shell_widget;
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Widget enable_widget;
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} XtPopdownIDRec, *XtPopdownID;
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.De
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The shell_widget is the pop-up shell to pop down,
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and the enable_widget is the widget that was used to pop it up.
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.LP
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.ZN XtCallbackPopdown
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calls
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.ZN XtPopdown
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with the specified shell_widget
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and then calls
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.ZN XtSetSensitive
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to resensitize the enable_widget.
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.LP
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If a shell name is not given,
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.ZN MenuPopdown
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calls
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.ZN XtPopdown
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with the widget for which the translation is specified.
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If a shell_name is specified in the translation table,
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.ZN MenuPopdown
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tries to find the shell by looking up the widget tree starting at the
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parent of the widget in which it is invoked.
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If it finds a shell with the specified name in the pop-up children
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of that parent,
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it pops down the shell;
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otherwise, it moves up the parent chain as needed.
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If
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.ZN MenuPopdown
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gets to the application top-level shell widget
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and cannot find a matching shell,
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it generates an error.
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.SH "SEE ALSO"
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XtCreatePopupShell(3Xt),
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XtPopup(3Xt)
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.br
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\fI\*(xT\fP
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.br
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\fI\*(xL\fP
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