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1.1 root 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: }
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