display.c revision 1.6
1 /* $NetBSD: display.c,v 1.6 2004/07/29 22:29:37 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 border; 52 static int dpytype; 53 static struct wsdisplay_usefontdata font; 54 static struct wsdisplay_scroll_data scroll_l; 55 static int havescroll = 1; 56 static int msg_default_attrs, msg_default_bg, msg_default_fg; 57 static int msg_kernel_attrs, msg_kernel_bg, msg_kernel_fg; 58 59 struct field display_field_tab[] = { 60 { "border", &border, FMT_COLOR, FLG_MODIFY }, 61 { "type", &dpytype, FMT_DPYTYPE, FLG_RDONLY }, 62 { "font", &font.name, FMT_STRING, FLG_WRONLY }, 63 { "scroll.fastlines", &scroll_l.fastlines, FMT_UINT, FLG_MODIFY }, 64 { "scroll.slowlines", &scroll_l.slowlines, FMT_UINT, FLG_MODIFY }, 65 { "msg.default.attrs", &msg_default_attrs, FMT_ATTRS, FLG_MODIFY }, 66 { "msg.default.bg", &msg_default_bg, FMT_COLOR, FLG_MODIFY }, 67 { "msg.default.fg", &msg_default_fg, FMT_COLOR, FLG_MODIFY }, 68 { "msg.kernel.attrs", &msg_kernel_attrs, FMT_ATTRS, FLG_MODIFY }, 69 { "msg.kernel.bg", &msg_kernel_bg, FMT_COLOR, FLG_MODIFY }, 70 { "msg.kernel.fg", &msg_kernel_fg, FMT_COLOR, FLG_MODIFY }, 71 }; 72 73 int display_field_tab_len = sizeof(display_field_tab)/ 74 sizeof(display_field_tab[0]); 75 76 static int 77 init_values(void) 78 { 79 scroll_l.which = 0; 80 81 if (field_by_value(&scroll_l.fastlines)->flags & FLG_GET) 82 scroll_l.which |= WSDISPLAY_SCROLL_DOFASTLINES; 83 if (field_by_value(&scroll_l.slowlines)->flags & FLG_GET) 84 scroll_l.which |= WSDISPLAY_SCROLL_DOSLOWLINES; 85 86 return scroll_l.which; 87 88 } 89 void 90 display_get_values(fd) 91 int fd; 92 { 93 if (field_by_value(&dpytype)->flags & FLG_GET) 94 if (ioctl(fd, WSDISPLAYIO_GTYPE, &dpytype) < 0) 95 err(1, "WSDISPLAYIO_GTYPE"); 96 97 if (field_by_value(&border)->flags & FLG_GET) 98 if (ioctl(fd, WSDISPLAYIO_GBORDER, &border) < 0) 99 warn("WSDISPLAYIO_GBORDER"); 100 101 if (field_by_value(&msg_default_attrs)->flags & FLG_GET || 102 field_by_value(&msg_default_bg)->flags & FLG_GET || 103 field_by_value(&msg_default_fg)->flags & FLG_GET || 104 field_by_value(&msg_kernel_attrs)->flags & FLG_GET || 105 field_by_value(&msg_kernel_bg)->flags & FLG_GET || 106 field_by_value(&msg_kernel_fg)->flags & FLG_GET) { 107 struct wsdisplay_msgattrs ma; 108 109 if (ioctl(fd, WSDISPLAYIO_GMSGATTRS, &ma) < 0) { 110 warnx("no support to change console/kernel colors"); 111 112 ma.default_attrs = -1; 113 ma.default_bg = -1; 114 ma.default_fg = -1; 115 116 ma.kernel_attrs = -1; 117 ma.kernel_bg = -1; 118 ma.kernel_fg = -1; 119 } 120 121 msg_default_attrs = ma.default_attrs; 122 if (ma.default_attrs & WSATTR_WSCOLORS) { 123 msg_default_bg = ma.default_bg; 124 msg_default_fg = ma.default_fg; 125 } else 126 msg_default_bg = msg_default_fg = -1; 127 128 msg_kernel_attrs = ma.kernel_attrs; 129 if (ma.kernel_attrs & WSATTR_WSCOLORS) { 130 msg_kernel_bg = ma.kernel_bg; 131 msg_kernel_fg = ma.kernel_fg; 132 } else 133 msg_kernel_bg = msg_kernel_fg = -1; 134 } 135 136 if (init_values() == 0 || havescroll == 0) 137 return; 138 139 if (ioctl(fd, WSDISPLAYIO_DGSCROLL, &scroll_l) < 0) { 140 if (errno != ENODEV) 141 err(1, "WSDISPLAYIO_GSCROLL"); 142 else 143 havescroll = 0; 144 } 145 } 146 147 void 148 display_put_values(fd) 149 int fd; 150 { 151 if (field_by_value(&font.name)->flags & FLG_SET) { 152 if (ioctl(fd, WSDISPLAYIO_SFONT, &font) < 0) 153 err(1, "WSDISPLAYIO_SFONT"); 154 pr_field(field_by_value(&font.name), " -> "); 155 } 156 157 if (field_by_value(&border)->flags & FLG_SET) { 158 if (ioctl(fd, WSDISPLAYIO_SBORDER, &border) < 0) 159 err(1, "WSDISPLAYIO_SBORDER"); 160 pr_field(field_by_value(&border), " -> "); 161 } 162 163 if (field_by_value(&msg_default_attrs)->flags & FLG_SET || 164 field_by_value(&msg_default_bg)->flags & FLG_SET || 165 field_by_value(&msg_default_fg)->flags & FLG_SET || 166 field_by_value(&msg_kernel_attrs)->flags & FLG_SET || 167 field_by_value(&msg_kernel_bg)->flags & FLG_SET || 168 field_by_value(&msg_kernel_fg)->flags & FLG_SET) { 169 struct wsdisplay_msgattrs ma; 170 171 if (ioctl(fd, WSDISPLAYIO_GMSGATTRS, &ma) < 0) 172 err(1, "WSDISPLAYIO_GMSGATTRS"); 173 174 if (field_by_value(&msg_default_attrs)->flags & FLG_SET) { 175 ma.default_attrs = msg_default_attrs; 176 pr_field(field_by_value(&msg_default_attrs), " -> "); 177 } 178 if (ma.default_attrs & WSATTR_WSCOLORS) { 179 if (field_by_value(&msg_default_bg)->flags & FLG_SET) { 180 ma.default_bg = msg_default_bg; 181 pr_field(field_by_value(&msg_default_bg), 182 " -> "); 183 } 184 if (field_by_value(&msg_default_fg)->flags & FLG_SET) { 185 ma.default_fg = msg_default_fg; 186 pr_field(field_by_value(&msg_default_fg), 187 " -> "); 188 } 189 } 190 191 if (field_by_value(&msg_kernel_attrs)->flags & FLG_SET) { 192 ma.kernel_attrs = msg_kernel_attrs; 193 pr_field(field_by_value(&msg_kernel_attrs), " -> "); 194 } 195 if (ma.default_attrs & WSATTR_WSCOLORS) { 196 if (field_by_value(&msg_kernel_bg)->flags & FLG_SET) { 197 ma.kernel_bg = msg_kernel_bg; 198 pr_field(field_by_value(&msg_kernel_bg), 199 " -> "); 200 } 201 if (field_by_value(&msg_kernel_fg)->flags & FLG_SET) { 202 ma.kernel_fg = msg_kernel_fg; 203 pr_field(field_by_value(&msg_kernel_fg), 204 " -> "); 205 } 206 } 207 208 if (ioctl(fd, WSDISPLAYIO_SMSGATTRS, &ma) < 0) 209 err(1, "WSDISPLAYIO_SMSGATTRS"); 210 } 211 212 if (init_values() == 0 || havescroll == 0) 213 return; 214 215 if (scroll_l.which & WSDISPLAY_SCROLL_DOFASTLINES) 216 pr_field(field_by_value(&scroll_l.fastlines), " -> "); 217 if (scroll_l.which & WSDISPLAY_SCROLL_DOSLOWLINES) 218 pr_field(field_by_value(&scroll_l.slowlines), " -> "); 219 220 if (ioctl(fd, WSDISPLAYIO_DSSCROLL, &scroll_l) < 0) { 221 if (errno != ENODEV) 222 err (1, "WSDISPLAYIO_DSSCROLL"); 223 else { 224 warnx("scrolling is not supported by this kernel"); 225 havescroll = 0; 226 } 227 } 228 } 229
Indexes created Tue Sep 23 07:09:52 GMT 2025