4.3BSD - /usr/src/new/X/uwm/Push.c

   1: #ifndef lint
   2: static char *rcsid_Push_c = "$Header: Push.c,v 10.3 86/02/01 16:23:34 tony Rel $";
   3: #endif	lint
   4: 
   5: /************************************************************************
   6:  *									*
   7:  *			Copyright (c) 1986 by				*
   8:  *		Digital Equipment Corporation, Maynard, MA		*
   9:  *		         All Rights Reserved.				*
  10:  *									*
  11:  *	Permission to use, copy, modify, and distribute this software	*
  12:  *	and its documentation is hereby granted only to licensees of 	*
  13:  *	The Regents of the University of California pursuant to their	*
  14:  *	license agreement for the Berkeley Software Distribution 	*
  15:  *	provided that the following appears on all copies.		*
  16:  *									*
  17:  *            "LICENSED FROM DIGITAL EQUIPMENT CORPORATION		*
  18:  *                      COPYRIGHT (C) 1986				*
  19:  *                 DIGITAL EQUIPMENT CORPORATION			*
  20:  *                         MAYNARD, MA					*
  21:  *                     ALL RIGHTS RESERVED.				*
  22:  *									*
  23:  *      THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT	*
  24:  *	NOTICE AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL	*
  25:  *	EQUIPMENT CORPORATION.  DIGITAL MAKES NO REPRESENTATIONS	*
  26:  *	ABOUT SUITABILITY OF THIS SOFTWARE FOR ANY PURPOSE. IT IS	*
  27:  *	SUPPLIED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.		*
  28:  *									*
  29:  * 	IF THE UNIVERSITY OF CALIFORNIA OR ITS LICENSEES MODIFY 	*
  30:  *	THE SOFTWARE IN A MANNER CREATING DERIVATIVE COPYRIGHT 		*
  31:  *	RIGHTS APPROPRIATE COPYRIGHT LEGENDS MAY BE PLACED ON THE	*
  32:  *	DERIVATIVE WORK IN ADDITION TO THAT SET FORTH ABOVE."		*
  33:  *									*
  34:  ************************************************************************/
  35: 
  36: 
  37: /*
  38:  * MODIFICATION HISTORY
  39:  *
  40:  * 000 -- M. Gancarz, DEC Ultrix Engineering Group
  41:  */
  42: 
  43: #ifndef lint
  44: static char *sccsid = "@(#)Push.c	3.8	1/24/86";
  45: #endif
  46: 
  47: #include "uwm.h"
  48: 
  49: #define PUSH_DOWN   1
  50: #define PUSH_UP     2
  51: #define PUSH_LEFT   3
  52: #define PUSH_RIGHT  4
  53: 
  54: extern Bool PushAll();
  55: 
  56: Bool PushDown(window, mask, button, x, y)
  57: Window window;              /* Event window. */
  58: int mask;               /* Button/key mask. */
  59: short button;               /* Button event detail. */
  60: int x, y;               /* Event mouse position. */
  61: {
  62:     return(PushAll(window, PUSH_DOWN));
  63: }
  64: 
  65: Bool PushUp(window, mask, button, x, y)
  66: Window window;              /* Event window. */
  67: int mask;               /* Button/key mask. */
  68: short button;               /* Button event detail. */
  69: int x, y;               /* Event mouse position. */
  70: {
  71:     return(PushAll(window, PUSH_UP));
  72: }
  73: 
  74: Bool PushLeft(window, mask, button, x, y)
  75: Window window;              /* Event window. */
  76: int mask;               /* Button/key mask. */
  77: short button;               /* Button event detail. */
  78: int x, y;               /* Event mouse position. */
  79: {
  80:     return(PushAll(window, PUSH_LEFT));
  81: }
  82: 
  83: Bool PushRight(window, mask, button, x, y)
  84: Window window;              /* Event window. */
  85: int mask;               /* Button/key mask. */
  86: short button;               /* Button event detail. */
  87: int x, y;               /* Event mouse position. */
  88: {
  89:     return(PushAll(window, PUSH_RIGHT));
  90: }
  91: 
  92: Bool PushAll(w, direction)
  93: Window w;
  94: int direction;
  95: {
  96:     WindowInfo winfo;           /* Event window information. */
  97:     WindowInfo rinfo;           /* Root window information. */
  98:     int xofs, yofs;         /* Movement offsets. */
  99:     int x, y;               /* New window position. */
 100: 
 101:     /*
 102:      * Do not try to move the root window.
 103:      */
 104:     if (w == RootWindow)
 105:         return(FALSE);
 106: 
 107:     /*
 108:      * Gather info on the event window.
 109:      */
 110:     status = XQueryWindow(w, &winfo);
 111:     if (status == FAILURE) return(FALSE);
 112: 
 113:     /*
 114:      * Calculate the movement offsets.
 115:      */
 116:     switch(direction) {
 117:     case PUSH_DOWN:
 118:         xofs = 0;
 119:         yofs = Push ? (winfo.height / Pushval) : Pushval;
 120:         break;
 121:     case PUSH_UP:
 122:         xofs = 0;
 123:         yofs = 0 - (Push ? (winfo.height / Pushval) : Pushval);
 124:         break;
 125:     case PUSH_LEFT:
 126:         xofs = 0 - (Push ? (winfo.width / Pushval) : Pushval);
 127:         yofs = 0;
 128:         break;
 129:     case PUSH_RIGHT:
 130:         xofs = Push ? (winfo.width / Pushval) : Pushval;
 131:         yofs = 0;
 132:         break;
 133:     }
 134: 
 135:     /*
 136:      * Calculate the new window position.
 137:      */
 138:     x = winfo.x + xofs;
 139:     y = winfo.y + yofs;
 140: 
 141:     /*
 142:      * Normalize the new window coordinates so we don't
 143:      * lose the window off the edge of the screen.
 144:      */
 145:     if (x < (0 - winfo.width + CURSOR_WIDTH - (winfo.bdrwidth << 1)))
 146:         x = 0 - winfo.width + CURSOR_WIDTH - (winfo.bdrwidth << 1);
 147:     if (y < (0 - winfo.height + CURSOR_HEIGHT - (winfo.bdrwidth << 1)))
 148:         y = 0 - winfo.height + CURSOR_HEIGHT - (winfo.bdrwidth << 1);
 149:     if (x > (ScreenWidth - CURSOR_WIDTH))
 150:         x = ScreenWidth - CURSOR_WIDTH;
 151:     if (y > (ScreenHeight - CURSOR_HEIGHT))
 152:         y = ScreenHeight - CURSOR_HEIGHT;
 153: 
 154:     /*
 155:      * Move the window into place.
 156:      */
 157:     XMoveWindow(w, x, y);
 158: 
 159:     return(FALSE);
 160: }

Defined functions

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Defined macros