79 lines
2.6 KiB
C
79 lines
2.6 KiB
C
#ifndef lint
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static char sccs_id[] = "@(#)twin_desk.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 "tile.h"
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#include "gravity.h"
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static bool desktop_initialized = FALSE;
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void
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Tilwin_Set_Desktop_Size(size)
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Size size;
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{
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TWRectangle old_desktop_rect;
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if (Is_Odd_Number(Get_Width(size)) == TRUE)
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Get_Width(size)++;
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if (Is_Odd_Number(Get_Height(size)) == TRUE)
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Get_Height(size)++;
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desktop_size = size;
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old_desktop_rect = desktop_rect;
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Get_RightX(desktop_rect) = Get_Width(desktop_size) - 1;
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Get_BottomY(desktop_rect) = Get_Height(desktop_size) - 1;
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if (desktop_initialized == FALSE){
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desktop_initialized = TRUE;
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Get_LeftX(desktop_rect) = (Basetype) 0;
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Get_TopY(desktop_rect) = (Basetype) 0;
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Gravity_Init();
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Gravity_Insert_Edge(Get_LeftX(desktop_rect), Left);
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Gravity_Insert_Edge(Get_TopY(desktop_rect), Top);
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Gravity_Insert_Edge(Get_RightX(desktop_rect), Right);
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Gravity_Insert_Edge(Get_BottomY(desktop_rect), Bottom);
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}
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else{
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Gravity_Delete_Edge(Get_RightX(old_desktop_rect), Right);
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Gravity_Delete_Edge(Get_BottomY(old_desktop_rect), Bottom);
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Gravity_Insert_Edge(Get_RightX(desktop_rect), Right);
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Gravity_Insert_Edge(Get_BottomY(desktop_rect), Bottom);
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}
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COMPUTE_CENTER(desktop_rect, desktop_center);
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Tile_Init_Tws(Get_LeftX(desktop_rect), Get_RightX(desktop_rect),
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Get_BottomY(desktop_rect), Get_TopY(desktop_rect));
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}
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