487 lines
10 KiB
C
487 lines
10 KiB
C
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* $XConsortium: abobj_align.c /main/3 1995/11/06 17:14:58 rswiston $
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*
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* @(#)abobj_align.c 1.21 24 May 1994 cde_app_builder/src/libABobj
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*
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* RESTRICTED CONFIDENTIAL INFORMATION:
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*
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* The information in this document is subject to special
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* restrictions in a confidential disclosure agreement between
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* HP, IBM, Sun, USL, SCO and Univel. Do not distribute this
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* document outside HP, IBM, Sun, USL, SCO, or Univel without
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* Sun's specific written approval. This document and all copies
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* and derivative works thereof must be returned or destroyed at
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* Sun's request.
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*
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* Copyright 1993 Sun Microsystems, Inc. All rights reserved.
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*
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*/
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/*
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***********************************************************************
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* ab_align.c - User-Interface alignment functions.
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*
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*
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***********************************************************************
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*/
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#include <stdio.h>
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#include <X11/Intrinsic.h>
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#include <X11/Composite.h>
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#include <X11/Shell.h>
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#include <Xm/Xm.h>
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#include <Xm/CascadeB.h>
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#include <Xm/ScrolledW.h>
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#include <Xm/RowColumn.h>
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#include <Xm/TextF.h>
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#include <Xm/Text.h>
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#include <ab_private/trav.h>
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#include <ab_private/proj.h>
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#include <Dt/xpm.h> /* will this be in include/Dt? */
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#include "abobjP.h"
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static void align_left_edges(ABObj *sel_list, int sel_count);
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static void align_vcenters(ABObj *sel_list, int sel_count);
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static void align_right_edges(ABObj *sel_list, int sel_count);
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static void align_labels(ABObj *sel_list, int sel_count);
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static void align_top_edges(ABObj *sel_list, int sel_count);
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static void align_hcenters(ABObj *sel_list, int sel_count);
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static void align_bottom_edges(ABObj *sel_list, int sel_count);
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static void distribute_horizontal(ABObj *sel_list, int sel_count, int hspacing);
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static void distribute_vertical(ABObj *sel_list, int sel_count, int vspacing);
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static void center_horizontal(ABObj *sel_list, int sel_count);
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static void center_vertical(ABObj *sel_list, int sel_count);
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/*************************************************************************
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** **
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** Function Definitions **
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** **
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**************************************************************************/
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void
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abobj_align(
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unsigned long align_mask
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)
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{
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ABSelectedRec sel;
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extern int AB_grid_size;
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int x = MAXINT;
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if (!align_mask)
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return;
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abobj_get_selected(proj_get_project(), FALSE, FALSE, &sel);
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/*
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* Vertical alignment
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*/
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if (align_mask & LEFT_EDGES)
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align_left_edges(sel.list, sel.count);
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if (align_mask & VCENTERS)
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align_vcenters(sel.list, sel.count);
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if (align_mask & RIGHT_EDGES)
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align_right_edges(sel.list, sel.count);
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if (align_mask & LABELS)
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align_labels(sel.list, sel.count);
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/*
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* Horizonatal alignment
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*/
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if (align_mask & TOP_EDGES)
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align_top_edges(sel.list, sel.count);
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if (align_mask & HCENTERS)
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align_hcenters(sel.list, sel.count);
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if (align_mask & BOTTOM_EDGES)
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align_bottom_edges(sel.list, sel.count);
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/*
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* Spacing
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*/
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if (align_mask & HSPACING)
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distribute_horizontal(sel.list, sel.count, AB_grid_size);
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if (align_mask & VSPACING)
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distribute_vertical(sel.list, sel.count, AB_grid_size);
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/*
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* Centering within parent
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*/
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if (align_mask & HCENTERED)
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center_horizontal(sel.list, sel.count);
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if (align_mask & VCENTERED)
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center_vertical(sel.list, sel.count);
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}
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/*
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* align_left_edges
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*/
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static void
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align_left_edges(
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ABObj *sel_list,
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int sel_count
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)
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{
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ABObj obj;
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int i;
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int x = MAXINT;
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for (i = 0; i < sel_count; i++)
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{
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obj = sel_list[i];
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if (obj_get_x(obj) < x)
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x = obj_get_x(obj);
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}
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for (i = 0; i < sel_count; i++)
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{
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obj = sel_list[i];
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/*
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undo_record_move(obj);
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*/
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abobj_set_xy(obj, x, obj_get_y(obj));
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abobj_instantiate_changes(obj);
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}
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}
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/*
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* align_vcenters
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*/
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static void
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align_vcenters(
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ABObj *sel_list,
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int sel_count
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)
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{
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int i;
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ABObj obj;
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int x = 0;
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for (i = 0; i < sel_count; i++)
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{
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obj = sel_list[i];
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x += obj_get_x(obj) + abobj_get_actual_width(obj) / 2;
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}
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x /= sel_count;
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for (i = 0; i < sel_count; i++)
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{
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obj = sel_list[i];
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/*
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undo_record_move(obj);
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*/
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abobj_set_xy(obj, x - abobj_get_actual_width(obj)/2, obj_get_y(obj));
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abobj_instantiate_changes(obj);
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}
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}
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/*
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* align_right_edges
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*/
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static void
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align_right_edges(
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ABObj *sel_list,
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int sel_count
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)
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{
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int i;
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ABObj obj;
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int x = -1;
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int xtmp;
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for (i = 0; i < sel_count; i++)
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{
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obj = sel_list[i];
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xtmp = obj_get_x(obj) + abobj_get_actual_width(obj);
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if (xtmp > x)
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x = xtmp;
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}
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for (i = 0; i < sel_count; i++)
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{
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obj = sel_list[i];
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/*
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undo_record_move(obj);
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*/
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abobj_set_xy(obj, x - abobj_get_actual_width(obj), obj_get_y(obj));
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abobj_instantiate_changes(obj);
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}
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}
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/*
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* align_labels
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*
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* Align all selected items to the topmost object's value x.
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*/
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static void
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align_labels(
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ABObj *sel_list,
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int sel_count
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)
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{
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int i;
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ABObj obj;
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int new_label_x = 0;
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int y = MAXINT;
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for (i = 0; i < sel_count; i++)
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{
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obj = sel_list[i];
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if (obj_get_y(obj) < y)
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{
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new_label_x = obj_get_x(obj) +
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abobj_get_label_width(obj);
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y = obj_get_y(obj);
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}
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}
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for (i = 0; i < sel_count; i++)
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{
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obj = sel_list[i];
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abobj_set_xy(obj, new_label_x - abobj_get_label_width(obj),
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obj_get_y(obj));
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abobj_instantiate_changes(obj);
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}
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}
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/*
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* align_top_edges
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*/
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static void
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align_top_edges(
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ABObj *sel_list,
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int sel_count
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)
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{
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int i;
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ABObj obj;
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int y = MAXINT;
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for (i = 0; i < sel_count; i++)
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{
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obj = sel_list[i];
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if (obj_get_y(obj) < y)
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y = obj_get_y(obj);
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}
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for (i = 0; i < sel_count; i++)
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{
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obj = sel_list[i];
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/*
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undo_record_move(obj);
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*/
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abobj_set_xy(obj, obj_get_x(obj), y);
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abobj_instantiate_changes(obj);
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}
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}
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/*
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* align_hcenters
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*/
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static void
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align_hcenters(
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ABObj *sel_list,
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int sel_count
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)
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{
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int i;
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ABObj obj;
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int y = 0;
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for (i = 0; i < sel_count; i++)
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{
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obj = sel_list[i];
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y += obj_get_y(obj) + abobj_get_actual_height(obj) / 2;
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}
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y /= sel_count;
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for (i = 0; i < sel_count; i++)
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{
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obj = sel_list[i];
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/*
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undo_record_move(obj);
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*/
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abobj_set_xy(obj, obj_get_x(obj), y - abobj_get_actual_height(obj)/2);
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abobj_instantiate_changes(obj);
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}
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}
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/*
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* align_bottom_edges
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*/
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static void
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align_bottom_edges(
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ABObj *sel_list,
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int sel_count
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)
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{
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int i;
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ABObj obj;
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int y = -1;
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int ytmp;
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for (i = 0; i < sel_count; i++)
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{
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obj = sel_list[i];
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ytmp = obj_get_y(obj) + abobj_get_actual_height(obj);
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if (ytmp > y)
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y = ytmp;
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}
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for (i = 0; i < sel_count; i++) {
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obj = sel_list[i];
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/*
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undo_record_move(obj);
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*/
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abobj_set_xy(obj, obj_get_x(obj), y - abobj_get_actual_height(obj));
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abobj_instantiate_changes(obj);
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}
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}
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/*
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* distribute_horizontal
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*/
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static void
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distribute_horizontal(
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ABObj *sel_list,
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int sel_count,
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int hspacing
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)
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{
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int i;
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ABObj obj;
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ABObj prev;
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/*
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* Sort list of objects based on X values
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*/
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abobj_sort_sel_list(sel_list, sel_count, XSORT);
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/*
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* Walk through the list and distribute the objects.
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*/
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for (i = 1; i < sel_count; i++)
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{
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obj = sel_list[i];
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prev = sel_list[i-1];
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/*
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undo_record_move(obj);
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*/
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abobj_set_xy(obj, obj_get_x(prev) + abobj_get_actual_width(prev) +
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hspacing, obj_get_y(obj));
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abobj_instantiate_changes(obj);
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}
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}
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/*
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* distribute_vertical
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*/
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static void
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distribute_vertical(
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ABObj *sel_list,
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int sel_count,
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int vspacing
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)
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{
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int i;
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ABObj obj;
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ABObj prev;
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/*
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* Sort list of objects based on Y values
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*/
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abobj_sort_sel_list(sel_list, sel_count, YSORT);
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/*
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* Walk through the list and distribute the objects.
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*/
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for (i = 1; i < sel_count; i++)
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{
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obj = sel_list[i];
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prev = sel_list[i-1];
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/*
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undo_record_move(obj);
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*/
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abobj_set_xy(obj, obj_get_x(obj), obj_get_y(prev) +
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abobj_get_actual_height(prev) + vspacing);
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abobj_instantiate_changes(obj);
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}
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}
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/*
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* center_horizontal
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*
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* Center selected objects horizontally within their parent
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*/
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static void
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center_horizontal(
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ABObj *sel_list,
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int sel_count
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)
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{
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ABObj owner_obj = obj_get_parent(sel_list[0]);
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int ownerwidth = abobj_get_actual_width(owner_obj);
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XRectangle current_rect;
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XRectangle new_rect;
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abobj_get_rect_for_objects(sel_list, sel_count, ¤t_rect);
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new_rect.x = ownerwidth / 2 - current_rect.width / 2;
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new_rect.y = current_rect.y;
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abobj_move_selected(sel_list, sel_count, ¤t_rect, &new_rect);
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}
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/*
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* center_vertical
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*
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* Center selected objects vertically within their parent
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*/
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static void
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center_vertical(
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ABObj *sel_list,
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int sel_count
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)
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{
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ABObj owner_obj = obj_get_parent(sel_list[0]);
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int owneheight = abobj_get_actual_height(owner_obj);
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XRectangle current_rect;
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XRectangle new_rect;
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abobj_get_rect_for_objects(sel_list, sel_count, ¤t_rect);
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new_rect.x = current_rect.x;
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new_rect.y = owneheight / 2 - current_rect.height / 2;
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abobj_move_selected(sel_list, sel_count, ¤t_rect, &new_rect);
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}
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