332 lines
9.2 KiB
C
332 lines
9.2 KiB
C
#ifndef lint
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static char sccs_id[] = "@(#)twin_util.c 5.3 9/1/88";
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#endif
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/*
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* Copyright 1988 by Siemens Research and Technology Laboratories, Princeton, NJ
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*
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* All Rights Reserved
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*
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* Permission to use, copy, modify, and distribute this software and its
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* documentation for any purpose and without fee is hereby granted,
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* provided that the above copyright notice appear in all copies and that
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* both that copyright notice and this permission notice appear in
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* supporting documentation, and that the name of Siemens Research and Technology
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* Laboratories not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior permission.
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*
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*
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* SIEMENS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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* SIEMENS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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* ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#include "copyright.h"
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#include "basetype.h"
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#include "twin.h"
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#include "twinD.h"
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/* ------------------------------------------------------------ */
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TWPoint Tilwin_Center_Of_Gravity()
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{
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TWPoint center;
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Tilwinp winp;
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int knt = 0;
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center.x = 0;
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center.y = 0;
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Tilwin_Gen_Open_Windows();
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while ( (winp = Tilwin_Next_Window()) != WIN_NULL )
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{
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center.x += Tilwin_Get_Center(winp).x;
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center.y += Tilwin_Get_Center(winp).y;
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knt++;
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}
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if ( knt == 0 )
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return Tilwin_Get_Desktop_Center();
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center.x = center.x / knt;
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center.y = center.y / knt;
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return center;
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}
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/* ------------------------------------------------------------ */
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TWPoint Tilwin_Position_Ctr_Of_Gravity()
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{
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TWPoint center;
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Tilwinp winp;
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int knt = 0;
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center.x = 0;
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center.y = 0;
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Tilwin_Gen_Open_Windows();
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while ( (winp = Tilwin_Next_Window()) != WIN_NULL )
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{
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center.x += Tilwin_Get_Position(winp).x;
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center.y += Tilwin_Get_Position(winp).y;
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knt++;
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}
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if ( knt == 0 )
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return Tilwin_Get_Desktop_Center();
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center.x = center.x / knt;
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center.y = center.y / knt;
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return center;
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}
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/* ------------------------------------------------------------ */
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Size Tilwin_Checked_Size( winp, chksiz )
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Tilwinp winp;
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Size chksiz;
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{
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Size siz;
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siz = Tilwin_Get_Size( winp );
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if ( (! Tilwin_Get_Window_Option( winp, FIXED_COMPLETELY ) )
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&& (! Tilwin_Get_Window_Option( winp, FIXED_SIZE ) ) )
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{
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if (! Tilwin_Get_Window_Option( winp, FIXED_WIDTH ) )
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siz.width = chksiz.width;
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if (! Tilwin_Get_Window_Option( winp, FIXED_HEIGHT ) )
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siz.height = chksiz.height;
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}
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return siz;
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}
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/* ------------------------------------------------------------ */
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Size Tilwin_Checked_Previous_Size( winp )
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Tilwinp winp;
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{
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Size siz;
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siz = Tilwin_Get_Size( winp );
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if ( (! Tilwin_Get_Window_Option( winp, FIXED_COMPLETELY ) )
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&& (! Tilwin_Get_Window_Option( winp, FIXED_SIZE ) ) )
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{
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if (! Tilwin_Get_Window_Option( winp, FIXED_WIDTH ) )
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siz.width = Tilwin_Get_Previous_Size(winp).width;
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if (! Tilwin_Get_Window_Option( winp, FIXED_HEIGHT ) )
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siz.height = Tilwin_Get_Previous_Size(winp).height;
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}
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return siz;
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}
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/* ------------------------------------------------------------ */
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Size Tilwin_Good_Size( winp, siz )
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Tilwinp winp;
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Size siz;
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{
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Size desired, minsiz;
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float gwidth, gheight;
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siz = Tilwin_Get_Size( winp );
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if ( Tilwin_Get_Window_Option( winp, FIXED_COMPLETELY )
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|| Tilwin_Get_Window_Option( winp, FIXED_SIZE ) )
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return siz;
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desired = Tilwin_Get_Desired(winp);
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minsiz = Tilwin_Get_Min(winp);
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if ( desired.width == minsiz.width )
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gwidth = 1;
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else
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gwidth = ( siz.width - minsiz.width ) /
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( desired.width - minsiz.width );
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if ( desired.height == minsiz.height )
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gheight = 1;
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else
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gheight = ( siz.height - minsiz.height ) /
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( desired.height - minsiz.height );
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if ( gwidth < gheight )
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{
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if (! Tilwin_Get_Window_Option( winp, FIXED_HEIGHT ) )
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siz.height = minsiz.height +
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gwidth * ( desired.height - minsiz.height );
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}
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else if ( gwidth > gheight )
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{
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if (! Tilwin_Get_Window_Option( winp, FIXED_WIDTH ) )
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siz.width = minsiz.width +
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gheight * ( desired.width - minsiz.width );
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}
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return siz;
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}
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/* ------------------------------------------------------------ */
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Size Tilwin_Checked_Min_Size( winp )
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Tilwinp winp;
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{
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Size siz;
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siz = Tilwin_Get_Size( winp );
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if ( (! Tilwin_Get_Window_Option( winp, FIXED_COMPLETELY ) )
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&& (! Tilwin_Get_Window_Option( winp, FIXED_SIZE ) ) )
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{
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if (! Tilwin_Get_Window_Option( winp, FIXED_WIDTH ) )
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siz.width = Tilwin_Get_Min(winp).width;
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if (! Tilwin_Get_Window_Option( winp, FIXED_HEIGHT ) )
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siz.height = Tilwin_Get_Min(winp).height;
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}
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return siz;
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}
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/* ------------------------------------------------------------ */
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Size Tilwin_Checked_Desired_Size( winp )
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Tilwinp winp;
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{
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Size siz;
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siz = Tilwin_Get_Size( winp );
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if ( (! Tilwin_Get_Window_Option( winp, FIXED_COMPLETELY ) )
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&& (! Tilwin_Get_Window_Option( winp, FIXED_SIZE ) ) )
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{
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if (! Tilwin_Get_Window_Option( winp, FIXED_WIDTH ) )
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siz.width = Tilwin_Get_Desired(winp).width;
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if (! Tilwin_Get_Window_Option( winp, FIXED_HEIGHT ) )
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siz.height = Tilwin_Get_Desired(winp).height;
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}
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return siz;
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}
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/* ------------------------------------------------------------ */
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Size Tilwin_Checked_Good_Desired_Size( winp, good )
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Tilwinp winp;
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float good;
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{
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Size siz;
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siz = Tilwin_Get_Size( winp );
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if ( (! Tilwin_Get_Window_Option( winp, FIXED_COMPLETELY ) )
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&& (! Tilwin_Get_Window_Option( winp, FIXED_SIZE ) ) )
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{
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if (! Tilwin_Get_Window_Option( winp, FIXED_WIDTH ) )
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siz.width = good * Tilwin_Get_Desired(winp).width +
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(1-good)* Tilwin_Get_Min(winp).width;
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if (! Tilwin_Get_Window_Option( winp, FIXED_HEIGHT ) )
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siz.height = good * Tilwin_Get_Desired(winp).height +
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(1-good)* Tilwin_Get_Min(winp).height;
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}
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return siz;
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}
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/* ------------------------------------------------------------ */
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Size Tilwin_Checked_Max_Size( winp )
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Tilwinp winp;
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{
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Size siz;
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siz = Tilwin_Get_Size( winp );
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if ( (! Tilwin_Get_Window_Option( winp, FIXED_COMPLETELY ) )
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&& (! Tilwin_Get_Window_Option( winp, FIXED_SIZE ) ) )
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{
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if (! Tilwin_Get_Window_Option( winp, FIXED_WIDTH ) )
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siz.width = Tilwin_Get_Max( winp ).width;
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if (! Tilwin_Get_Window_Option( winp, FIXED_HEIGHT ) )
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siz.height = Tilwin_Get_Max( winp ).height;
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}
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return siz;
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}
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/* ------------------------------------------------------------ */
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Size Tilwin_Checked_Good_Max_Size( winp, good )
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Tilwinp winp;
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float good;
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{
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Size siz;
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siz = Tilwin_Get_Size( winp );
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if ( (! Tilwin_Get_Window_Option( winp, FIXED_COMPLETELY ) )
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&& (! Tilwin_Get_Window_Option( winp, FIXED_SIZE ) ) )
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{
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if (! Tilwin_Get_Window_Option( winp, FIXED_WIDTH ) )
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siz.width = good * Tilwin_Get_Max(winp).width +
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(1-good)* Tilwin_Get_Desired(winp).width;
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if (! Tilwin_Get_Window_Option( winp, FIXED_HEIGHT ) )
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siz.height = good * Tilwin_Get_Max(winp).height +
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(1-good)* Tilwin_Get_Desired(winp).height;
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}
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return siz;
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}
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/* ------------------------------------------------------------ */
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void Tilwin_Slide_Vertly_Farthest( winp, pt )
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Tilwinp winp;
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TWPoint pt;
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{
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TWPoint center;
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center = Tilwin_Get_Center(winp);
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pt.x = center.x;
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if ( center.y == pt.y )
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center.y = Tilwin_Get_Position(winp).y;
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if ( center.y < pt.y )
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pt.y = Tilwin_Get_Desktop_Rectangle().top_y;
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else
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pt.y = Tilwin_Get_Desktop_Rectangle().bottom_y;
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Tilwin_Slide_Nearest( winp, pt );
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}
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/* ------------------------------------------------------------ */
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void Tilwin_Slide_Horizly_Farthest( winp, pt )
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Tilwinp winp;
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TWPoint pt;
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{
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TWPoint center;
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center = Tilwin_Get_Center(winp);
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pt.y = center.y;
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if ( center.x == pt.x )
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center.x = Tilwin_Get_Position(winp).x;
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if ( center.x < pt.x )
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pt.x = Tilwin_Get_Desktop_Rectangle().left_x;
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else
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pt.x = Tilwin_Get_Desktop_Rectangle().right_x;
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Tilwin_Slide_Nearest( winp, pt );
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}
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/* ------------------------------------------------------------ */
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void Tilwin_Slide_Vertly_Nearest( winp, pt )
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Tilwinp winp;
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TWPoint pt;
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{
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pt.x = Tilwin_Get_Center(winp).x;
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Tilwin_Slide_Nearest( winp, pt );
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}
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/* ------------------------------------------------------------ */
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void Tilwin_Slide_Horizly_Nearest( winp, pt )
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Tilwinp winp;
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TWPoint pt;
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{
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pt.y = Tilwin_Get_Center(winp).y;
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Tilwin_Slide_Nearest( winp, pt );
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}
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