cursor.c revision c2535118 
1/*
2 *
3Copyright 1989, 1998  The Open Group
4
5Permission to use, copy, modify, distribute, and sell this software and its
6documentation for any purpose is hereby granted without fee, provided that
7the above copyright notice appear in all copies and that both that
8copyright notice and this permission notice appear in supporting
9documentation.
10
11The above copyright notice and this permission notice shall be included in
12all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
17OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21Except as contained in this notice, the name of The Open Group shall not be
22used in advertising or otherwise to promote the sale, use or other dealings
23in this Software without prior written authorization from The Open Group.
24 * */
25
26/***********************************************************************
27 *
28 * cursor creation code
29 *
30 * 05-Apr-89 Thomas E. LaStrange	File created
31 *
32 ***********************************************************************/
33
34#include <stdio.h>
35#include "twm.h"
36#include <X11/Xos.h>
37#include "screen.h"
38#include "util.h"
39
40static struct _CursorName {
41    const char		*name;
42    unsigned int	shape;
43    Cursor		cursor;
44} cursor_names[] = {
45
46{"X_cursor",		XC_X_cursor,		None},
47{"arrow",		XC_arrow,		None},
48{"based_arrow_down",	XC_based_arrow_down,    None},
49{"based_arrow_up",	XC_based_arrow_up,      None},
50{"boat",		XC_boat,		None},
51{"bogosity",		XC_bogosity,		None},
52{"bottom_left_corner",	XC_bottom_left_corner,  None},
53{"bottom_right_corner",	XC_bottom_right_corner, None},
54{"bottom_side",		XC_bottom_side,		None},
55{"bottom_tee",		XC_bottom_tee,		None},
56{"box_spiral",		XC_box_spiral,		None},
57{"center_ptr",		XC_center_ptr,		None},
58{"circle",		XC_circle,		None},
59{"clock",		XC_clock,		None},
60{"coffee_mug",		XC_coffee_mug,		None},
61{"cross",		XC_cross,		None},
62{"cross_reverse",	XC_cross_reverse,       None},
63{"crosshair",		XC_crosshair,		None},
64{"diamond_cross",	XC_diamond_cross,       None},
65{"dot",			XC_dot,			None},
66{"dotbox",		XC_dotbox,		None},
67{"double_arrow",	XC_double_arrow,	None},
68{"draft_large",		XC_draft_large,		None},
69{"draft_small",		XC_draft_small,		None},
70{"draped_box",		XC_draped_box,		None},
71{"exchange",		XC_exchange,		None},
72{"fleur",		XC_fleur,		None},
73{"gobbler",		XC_gobbler,		None},
74{"gumby",		XC_gumby,		None},
75{"hand1",		XC_hand1,		None},
76{"hand2",		XC_hand2,		None},
77{"heart",		XC_heart,		None},
78{"icon",		XC_icon,		None},
79{"iron_cross",		XC_iron_cross,		None},
80{"left_ptr",		XC_left_ptr,		None},
81{"left_side",		XC_left_side,		None},
82{"left_tee",		XC_left_tee,		None},
83{"leftbutton",		XC_leftbutton,		None},
84{"ll_angle",		XC_ll_angle,		None},
85{"lr_angle",		XC_lr_angle,		None},
86{"man",			XC_man,			None},
87{"middlebutton",	XC_middlebutton,	None},
88{"mouse",		XC_mouse,		None},
89{"pencil",		XC_pencil,		None},
90{"pirate",		XC_pirate,		None},
91{"plus",		XC_plus,		None},
92{"question_arrow",	XC_question_arrow,	None},
93{"right_ptr",		XC_right_ptr,		None},
94{"right_side",		XC_right_side,		None},
95{"right_tee",		XC_right_tee,		None},
96{"rightbutton",		XC_rightbutton,		None},
97{"rtl_logo",		XC_rtl_logo,		None},
98{"sailboat",		XC_sailboat,		None},
99{"sb_down_arrow",	XC_sb_down_arrow,       None},
100{"sb_h_double_arrow",	XC_sb_h_double_arrow,   None},
101{"sb_left_arrow",	XC_sb_left_arrow,       None},
102{"sb_right_arrow",	XC_sb_right_arrow,      None},
103{"sb_up_arrow",		XC_sb_up_arrow,		None},
104{"sb_v_double_arrow",	XC_sb_v_double_arrow,   None},
105{"shuttle",		XC_shuttle,		None},
106{"sizing",		XC_sizing,		None},
107{"spider",		XC_spider,		None},
108{"spraycan",		XC_spraycan,		None},
109{"star",		XC_star,		None},
110{"target",		XC_target,		None},
111{"tcross",		XC_tcross,		None},
112{"top_left_arrow",	XC_top_left_arrow,      None},
113{"top_left_corner",	XC_top_left_corner,	None},
114{"top_right_corner",	XC_top_right_corner,    None},
115{"top_side",		XC_top_side,		None},
116{"top_tee",		XC_top_tee,		None},
117{"trek",		XC_trek,		None},
118{"ul_angle",		XC_ul_angle,		None},
119{"umbrella",		XC_umbrella,		None},
120{"ur_angle",		XC_ur_angle,		None},
121{"watch",		XC_watch,		None},
122{"xterm",		XC_xterm,		None},
123};
124
125void
126NewFontCursor (Cursor *cp, const char *str)
127{
128    int i;
129
130    for (i = 0; i < sizeof(cursor_names)/sizeof(struct _CursorName); i++)
131    {
132	if (strcmp(str, cursor_names[i].name) == 0)
133	{
134	    if (cursor_names[i].cursor == None)
135		cursor_names[i].cursor = XCreateFontCursor(dpy,
136			cursor_names[i].shape);
137	    *cp = cursor_names[i].cursor;
138	    return;
139	}
140    }
141    fprintf (stderr, "%s:  unable to find font cursor \"%s\"\n",
142	     ProgramName, str);
143}
144
145void
146NewBitmapCursor(Cursor *cp, char *source, char *mask)
147{
148    int hotx, hoty;
149    int sx, sy, mx, my;
150    unsigned int sw, sh, mw, mh;
151    Pixmap spm, mpm;
152
153    spm = GetBitmap(source);
154    if ((hotx = HotX) < 0) hotx = 0;
155    if ((hoty = HotY) < 0) hoty = 0;
156    mpm = GetBitmap(mask);
157
158    /* make sure they are the same size */
159
160    XGetGeometry(dpy, spm, &JunkRoot, &sx, &sy, &sw, &sh, &JunkBW,&JunkDepth);
161    XGetGeometry(dpy, mpm, &JunkRoot, &mx, &my, &mw, &mh, &JunkBW,&JunkDepth);
162    if (sw != mw || sh != mh)
163    {
164	fprintf (stderr,
165		 "%s:  cursor bitmaps \"%s\" and \"%s\" not the same size\n",
166		 ProgramName, source, mask);
167	return;
168    }
169    *cp = XCreatePixmapCursor(dpy, spm, mpm, &Scr->PointerForeground,
170			      &Scr->PointerBackground, hotx,hoty);
171}
172