display.c revision 1.5
1 /* $NetBSD: display.c,v 1.5 2004/07/28 12:34:05 jmmv Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Juergen Hannken-Illjes. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/ioctl.h> 40 #include <sys/time.h> 41 42 #include <stdio.h> 43 #include <string.h> 44 #include <errno.h> 45 #include <err.h> 46 47 #include <dev/wscons/wsconsio.h> 48 49 #include "wsconsctl.h" 50 51 static int dpytype; 52 static struct wsdisplay_usefontdata font; 53 static struct wsdisplay_scroll_data scroll_l; 54 static int havescroll = 1; 55 static int msg_default_attrs, msg_default_bg, msg_default_fg; 56 static int msg_kernel_attrs, msg_kernel_bg, msg_kernel_fg; 57 58 struct field display_field_tab[] = { 59 { "type", &dpytype, FMT_DPYTYPE, FLG_RDONLY }, 60 { "font", &font.name, FMT_STRING, FLG_WRONLY }, 61 { "scroll.fastlines", &scroll_l.fastlines, FMT_UINT, FLG_MODIFY }, 62 { "scroll.slowlines", &scroll_l.slowlines, FMT_UINT, FLG_MODIFY }, 63 { "msg.default.attrs", &msg_default_attrs, FMT_ATTRS, FLG_MODIFY }, 64 { "msg.default.bg", &msg_default_bg, FMT_COLOR, FLG_MODIFY }, 65 { "msg.default.fg", &msg_default_fg, FMT_COLOR, FLG_MODIFY }, 66 { "msg.kernel.attrs", &msg_kernel_attrs, FMT_ATTRS, FLG_MODIFY }, 67 { "msg.kernel.bg", &msg_kernel_bg, FMT_COLOR, FLG_MODIFY }, 68 { "msg.kernel.fg", &msg_kernel_fg, FMT_COLOR, FLG_MODIFY }, 69 }; 70 71 int display_field_tab_len = sizeof(display_field_tab)/ 72 sizeof(display_field_tab[0]); 73 74 static int 75 init_values(void) 76 { 77 scroll_l.which = 0; 78 79 if (field_by_value(&scroll_l.fastlines)->flags & FLG_GET) 80 scroll_l.which |= WSDISPLAY_SCROLL_DOFASTLINES; 81 if (field_by_value(&scroll_l.slowlines)->flags & FLG_GET) 82 scroll_l.which |= WSDISPLAY_SCROLL_DOSLOWLINES; 83 84 return scroll_l.which; 85 86 } 87 void 88 display_get_values(fd) 89 int fd; 90 { 91 if (field_by_value(&dpytype)->flags & FLG_GET) 92 if (ioctl(fd, WSDISPLAYIO_GTYPE, &dpytype) < 0) 93 err(1, "WSDISPLAYIO_GTYPE"); 94 95 if (field_by_value(&msg_default_attrs)->flags & FLG_GET || 96 field_by_value(&msg_default_bg)->flags & FLG_GET || 97 field_by_value(&msg_default_fg)->flags & FLG_GET || 98 field_by_value(&msg_kernel_attrs)->flags & FLG_GET || 99 field_by_value(&msg_kernel_bg)->flags & FLG_GET || 100 field_by_value(&msg_kernel_fg)->flags & FLG_GET) { 101 struct wsdisplay_msgattrs ma; 102 103 if (ioctl(fd, WSDISPLAYIO_GMSGATTRS, &ma) < 0) { 104 warnx("no support to change console/kernel colors"); 105 106 ma.default_attrs = -1; 107 ma.default_bg = -1; 108 ma.default_fg = -1; 109 110 ma.kernel_attrs = -1; 111 ma.kernel_bg = -1; 112 ma.kernel_fg = -1; 113 } 114 115 msg_default_attrs = ma.default_attrs; 116 if (ma.default_attrs & WSATTR_WSCOLORS) { 117 msg_default_bg = ma.default_bg; 118 msg_default_fg = ma.default_fg; 119 } else 120 msg_default_bg = msg_default_fg = -1; 121 122 msg_kernel_attrs = ma.kernel_attrs; 123 if (ma.kernel_attrs & WSATTR_WSCOLORS) { 124 msg_kernel_bg = ma.kernel_bg; 125 msg_kernel_fg = ma.kernel_fg; 126 } else 127 msg_kernel_bg = msg_kernel_fg = -1; 128 } 129 130 if (init_values() == 0 || havescroll == 0) 131 return; 132 133 if (ioctl(fd, WSDISPLAYIO_DGSCROLL, &scroll_l) < 0) { 134 if (errno != ENODEV) 135 err(1, "WSDISPLAYIO_GSCROLL"); 136 else 137 havescroll = 0; 138 } 139 } 140 141 void 142 display_put_values(fd) 143 int fd; 144 { 145 if (field_by_value(&font.name)->flags & FLG_SET) { 146 if (ioctl(fd, WSDISPLAYIO_SFONT, &font) < 0) 147 err(1, "WSDISPLAYIO_SFONT"); 148 pr_field(field_by_value(&font.name), " -> "); 149 } 150 151 if (field_by_value(&msg_default_attrs)->flags & FLG_SET || 152 field_by_value(&msg_default_bg)->flags & FLG_SET || 153 field_by_value(&msg_default_fg)->flags & FLG_SET || 154 field_by_value(&msg_kernel_attrs)->flags & FLG_SET || 155 field_by_value(&msg_kernel_bg)->flags & FLG_SET || 156 field_by_value(&msg_kernel_fg)->flags & FLG_SET) { 157 struct wsdisplay_msgattrs ma; 158 159 if (ioctl(fd, WSDISPLAYIO_GMSGATTRS, &ma) < 0) 160 err(1, "WSDISPLAYIO_GMSGATTRS"); 161 162 if (field_by_value(&msg_default_attrs)->flags & FLG_SET) { 163 ma.default_attrs = msg_default_attrs; 164 pr_field(field_by_value(&msg_default_attrs), " -> "); 165 } 166 if (ma.default_attrs & WSATTR_WSCOLORS) { 167 if (field_by_value(&msg_default_bg)->flags & FLG_SET) { 168 ma.default_bg = msg_default_bg; 169 pr_field(field_by_value(&msg_default_bg), 170 " -> "); 171 } 172 if (field_by_value(&msg_default_fg)->flags & FLG_SET) { 173 ma.default_fg = msg_default_fg; 174 pr_field(field_by_value(&msg_default_fg), 175 " -> "); 176 } 177 } 178 179 if (field_by_value(&msg_kernel_attrs)->flags & FLG_SET) { 180 ma.kernel_attrs = msg_kernel_attrs; 181 pr_field(field_by_value(&msg_kernel_attrs), " -> "); 182 } 183 if (ma.default_attrs & WSATTR_WSCOLORS) { 184 if (field_by_value(&msg_kernel_bg)->flags & FLG_SET) { 185 ma.kernel_bg = msg_kernel_bg; 186 pr_field(field_by_value(&msg_kernel_bg), 187 " -> "); 188 } 189 if (field_by_value(&msg_kernel_fg)->flags & FLG_SET) { 190 ma.kernel_fg = msg_kernel_fg; 191 pr_field(field_by_value(&msg_kernel_fg), 192 " -> "); 193 } 194 } 195 196 if (ioctl(fd, WSDISPLAYIO_SMSGATTRS, &ma) < 0) 197 err(1, "WSDISPLAYIO_SMSGATTRS"); 198 } 199 200 if (init_values() == 0 || havescroll == 0) 201 return; 202 203 if (scroll_l.which & WSDISPLAY_SCROLL_DOFASTLINES) 204 pr_field(field_by_value(&scroll_l.fastlines), " -> "); 205 if (scroll_l.which & WSDISPLAY_SCROLL_DOSLOWLINES) 206 pr_field(field_by_value(&scroll_l.slowlines), " -> "); 207 208 if (ioctl(fd, WSDISPLAYIO_DSSCROLL, &scroll_l) < 0) { 209 if (errno != ENODEV) 210 err (1, "WSDISPLAYIO_DSSCROLL"); 211 else { 212 warnx("scrolling is not supported by this kernel"); 213 havescroll = 0; 214 } 215 } 216 } 217
Indexes created Fri Sep 26 20:09:58 GMT 2025