Mercurial > hg > xemacs-beta
annotate src/device-impl.h @ 5894:23178aa71f8b
Define ALIGNOF using C11 and C++11 operators.
See <CAHCOHQmG51R61KwGUNY7T5t9tXxzbyg=aGijUKYstbE+wL2-6Q@mail.gmail.com> in
xemacs-patches for more information.
| author | Jerry James <james@xemacs.org> |
|---|---|
| date | Mon, 20 Apr 2015 15:09:11 -0600 |
| parents | 308d34e9f07d |
| children | 0f2338afbabf |
| rev | line source |
|---|---|
| 872 | 1 /* Define device-object for XEmacs. |
| 2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois. | |
| 3 Copyright (C) 1995, 2002 Ben Wing | |
| 4 Copyright (C) 1995 Sun Microsystems | |
| 5 | |
| 6 This file is part of XEmacs. | |
| 7 | |
|
5402
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
5127
diff
changeset
|
8 XEmacs is free software: you can redistribute it and/or modify it |
| 872 | 9 under the terms of the GNU General Public License as published by the |
|
5402
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
5127
diff
changeset
|
10 Free Software Foundation, either version 3 of the License, or (at your |
|
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
5127
diff
changeset
|
11 option) any later version. |
| 872 | 12 |
| 13 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
|
5402
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
5127
diff
changeset
|
19 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 872 | 20 |
| 21 /* Synched up with: Not in FSF. */ | |
| 22 | |
| 23 /* Written by Chuck Thompson and Ben Wing. */ | |
| 24 | |
| 25 #ifndef INCLUDED_device_impl_h_ | |
| 26 #define INCLUDED_device_impl_h_ | |
| 27 | |
| 28 #include "console-impl.h" | |
| 29 #include "device.h" | |
| 30 | |
| 31 /* This should really be in redisplay.h but by putting it here we | |
| 32 won't have to ensure that redisplay.h is always included before | |
| 33 this file. */ | |
| 34 struct pixel_to_glyph_translation_cache | |
| 35 { | |
| 36 unsigned int valid :1; | |
| 37 struct frame *frame; | |
| 38 int low_x_coord, high_x_coord, col, obj_x; | |
| 39 int low_y_coord, high_y_coord, row, obj_y; | |
| 40 struct window *w; | |
| 41 Charbpos charpos; | |
| 42 Charbpos closest; | |
| 43 Charcount modeline_closest; | |
| 44 Lisp_Object obj1, obj2; | |
| 45 int retval; | |
| 46 }; | |
| 47 | |
| 48 /* Less public: */ | |
| 49 #define DEVICE_TYPE_NAME(d) ((d)->devmeths->name) | |
| 50 #define DEVICE_IMPL_FLAG(d, f) CONMETH_IMPL_FLAG ((d)->devmeths, (f)) | |
| 51 #define DEVICE_SPECIFIC_FRAME_PROPS(d) \ | |
| 52 ((d)->devmeths->device_specific_frame_props) | |
| 53 | |
| 54 /* More public: */ | |
| 55 #define DEVICE_TYPE(d) ((d)->devmeths->symbol) | |
| 56 #define XDEVICE_TYPE(d) DEVICE_TYPE (XDEVICE (d)) | |
| 57 | |
| 58 /******** Accessing / calling a device method *********/ | |
| 59 | |
| 60 #define HAS_DEVMETH_P(d, m) HAS_CONTYPE_METH_P ((d)->devmeths, m) | |
| 61 #define DEVMETH(d, m, args) CONTYPE_METH ((d)->devmeths, m, args) | |
| 62 #define MAYBE_DEVMETH(d, m, args) MAYBE_CONTYPE_METH ((d)->devmeths, m, args) | |
| 63 #define DEVMETH_OR_GIVEN(d, m, args, given) \ | |
| 64 CONTYPE_METH_OR_GIVEN((d)->devmeths, m, args, given) | |
| 65 #define MAYBE_INT_DEVMETH(d, m, args) \ | |
| 66 MAYBE_INT_CONTYPE_METH ((d)->devmeths, m, args) | |
| 67 #define MAYBE_LISP_DEVMETH(d, m, args) \ | |
| 68 MAYBE_LISP_CONTYPE_METH ((d)->devmeths, m, args) | |
| 69 | |
| 70 struct device | |
| 71 { | |
|
5127
a9c41067dd88
more cleanups, terminology clarification, lots of doc work
Ben Wing <ben@xemacs.org>
parents:
5120
diff
changeset
|
72 NORMAL_LISP_OBJECT_HEADER header; |
| 872 | 73 |
| 74 /* Methods for this device's console. This can also be retrieved | |
| 75 through device->console, but it's faster this way. */ | |
| 76 struct console_methods *devmeths; | |
| 77 | |
| 1204 | 78 /* Duplicates devmeths->symbol. See comment in struct console. */ |
| 934 | 79 enum console_variant devtype; |
| 80 | |
| 872 | 81 /* A structure of auxiliary data specific to the device type. |
| 82 struct x_device is used for X window frames; defined in console-x.h | |
| 83 struct tty_device is used to TTY's; defined in console-tty.h */ | |
| 84 void *device_data; | |
| 85 | |
| 86 /* redisplay flags */ | |
| 87 unsigned int buffers_changed :1; | |
| 88 unsigned int clip_changed :1; | |
| 89 unsigned int extents_changed :1; | |
| 90 unsigned int faces_changed :1; | |
| 91 unsigned int frame_changed :1; | |
| 905 | 92 unsigned int frame_layout_changed :1; /* The layout of frame |
| 93 elements has changed. */ | |
| 872 | 94 unsigned int glyphs_changed :1; |
| 95 unsigned int subwindows_changed :1; | |
| 96 unsigned int subwindows_state_changed :1; | |
| 97 unsigned int icon_changed :1; | |
| 98 unsigned int menubar_changed :1; | |
| 99 unsigned int modeline_changed :1; | |
| 100 unsigned int point_changed :1; | |
| 101 unsigned int size_changed :1; | |
| 102 unsigned int gutter_changed :1; | |
| 103 unsigned int toolbar_changed :1; | |
| 104 unsigned int windows_changed :1; | |
| 105 unsigned int windows_structure_changed :1; | |
| 106 | |
| 107 unsigned int locked :1; | |
| 108 | |
| 109 /* Cache information about last pixel position translated to a | |
| 110 glyph. The law of locality applies very heavily here so caching | |
| 111 the value leads to a significant win. At the moment this is | |
| 112 really X specific but once we have generic mouse support it won't | |
| 113 be. */ | |
| 114 struct pixel_to_glyph_translation_cache pixel_to_glyph_cache; | |
| 115 | |
| 116 /* Output baud rate of device; used for redisplay decisions. */ | |
| 117 int baud_rate; | |
| 118 | |
| 119 /* sound flags */ | |
| 120 unsigned int on_console_p :1; | |
| 121 unsigned int connected_to_nas_p :1; | |
| 122 | |
| 1204 | 123 #define MARKED_SLOT(x) Lisp_Object x; |
| 872 | 124 #include "devslots.h" |
| 125 | |
| 126 /* File descriptors for input and output. Much of the time | |
| 127 (but not always) these will be the same. For an X device, | |
| 128 these both hold the file descriptor of the socket used | |
| 129 to communicate with the X server. For a TTY device, these | |
| 130 may or may not be the same and point to the terminal that | |
| 131 is used for I/O. */ | |
| 132 int infd, outfd; | |
| 133 | |
| 134 /* infd and outfd are moved outside HAVE_UNIXOID_EVENT_LOOP conditionals, | |
| 135 because Win32, presumably the first port which does not use select() | |
| 136 polling, DOES have handles for a console device. -- kkm */ | |
| 137 | |
| 138 #ifdef HAVE_UNIXOID_EVENT_LOOP | |
| 139 /* holds some data necessary for SIGIO control. Perhaps this should | |
| 140 be inside of device_data; but it is used for both TTY's and X | |
| 141 device. Perhaps it should be conditionalized on SIGIO; but | |
| 142 this requires including syssignal.h. */ | |
| 143 int old_fcntl_owner; | |
| 144 #endif | |
| 145 }; | |
| 146 | |
| 147 /* Redefine basic properties more efficiently */ | |
| 148 | |
| 149 #undef DEVICE_LIVE_P | |
| 150 #define DEVICE_LIVE_P(d) (!EQ (DEVICE_TYPE (d), Qdead)) | |
| 151 #undef DEVICE_CONSOLE | |
| 152 #define DEVICE_CONSOLE(d) ((d)->console) | |
| 153 #undef DEVICE_FRAME_LIST | |
| 154 #define DEVICE_FRAME_LIST(d) ((d)->frame_list) | |
| 155 | |
| 156 #define DEVICE_TYPE_P(d, type) EQ (DEVICE_TYPE (d), Q##type) | |
| 157 | |
| 158 #ifdef ERROR_CHECK_TYPES | |
| 159 DECLARE_INLINE_HEADER ( | |
| 160 struct device * | |
| 161 error_check_device_type (struct device *d, Lisp_Object sym) | |
| 162 ) | |
| 163 { | |
| 164 assert (EQ (DEVICE_TYPE (d), sym)); | |
| 165 return d; | |
| 166 } | |
| 167 # define DEVICE_TYPE_DATA(d, type) \ | |
| 168 ((struct type##_device *) error_check_device_type (d, Q##type)->device_data) | |
| 169 #else | |
| 170 # define DEVICE_TYPE_DATA(d, type) \ | |
| 171 ((struct type##_device *) (d)->device_data) | |
| 172 #endif | |
| 173 | |
| 174 #define CHECK_DEVICE_TYPE(x, type) \ | |
| 175 do { \ | |
| 176 CHECK_DEVICE (x); \ | |
| 177 if (!(DEVICEP (x) && DEVICE_TYPE_P (XDEVICE (x), \ | |
| 178 type))) \ | |
| 179 dead_wrong_type_argument \ | |
| 180 (type##_console_methods->predicate_symbol, x); \ | |
| 181 } while (0) | |
| 182 #define CONCHECK_DEVICE_TYPE(x, type) \ | |
| 183 do { \ | |
| 184 CONCHECK_DEVICE (x); \ | |
| 185 if (!(DEVICEP (x) && DEVICE_TYPE_P (XDEVICE (x), \ | |
| 186 type))) \ | |
| 187 x = wrong_type_argument \ | |
| 188 (type##_console_methods->predicate_symbol, x); \ | |
| 189 } while (0) | |
| 190 | |
| 191 #define DEVICE_DISPLAY_P(dev) \ | |
| 192 (DEVICE_LIVE_P (dev) && \ | |
| 193 !DEVICE_IMPL_FLAG (dev, XDEVIMPF_IS_A_PRINTER)) | |
| 194 | |
| 195 #define CHECK_DISPLAY_DEVICE(dev) \ | |
| 196 do { \ | |
| 197 CHECK_DEVICE (dev); \ | |
| 198 if (!(DEVICEP (dev) \ | |
| 199 && DEVICE_DISPLAY_P (XDEVICE (dev)))) \ | |
| 200 dead_wrong_type_argument (Qdisplay, dev); \ | |
| 201 } while (0) | |
| 202 | |
| 203 #define CONCHECK_DISPLAY_DEVICE(dev) \ | |
| 204 do { \ | |
| 205 CONCHECK_DEVICE (dev); \ | |
| 206 if (!(DEVICEP (dev) \ | |
| 207 && DEVICE_DISPLAY_P (XDEVICE (dev)))) \ | |
| 208 wrong_type_argument (Qdisplay, dev); \ | |
| 209 } while (0) | |
| 210 | |
| 211 #define DEVICE_PRINTER_P(dev) \ | |
| 212 (DEVICE_LIVE_P (dev) && !DEVICE_DISPLAY_P (dev)) | |
| 213 | |
| 214 #define CHECK_PRINTER_DEVICE(dev) \ | |
| 215 do { \ | |
| 216 CHECK_DEVICE (dev); \ | |
| 217 if (!(DEVICEP (dev) \ | |
| 218 && DEVICE_PRINTER_P (XDEVICE (dev)))) \ | |
| 219 dead_wrong_type_argument (Qprinter, dev); \ | |
| 220 } while (0) | |
| 221 | |
| 222 #define CONCHECK_PRINTER_DEVICE(dev) \ | |
| 223 do { \ | |
| 224 CONCHECK_DEVICE (dev); \ | |
| 225 if (!(DEVICEP (dev) \ | |
| 226 && DEVICE_PRINTER_P (XDEVICE (dev)))) \ | |
| 227 wrong_type_argument (Qprinter, dev); \ | |
| 228 } while (0) | |
| 229 | |
| 230 /* #### These should be in the device-*.h files but there are | |
| 231 too many places where the abstraction is broken. Need to | |
| 232 fix. */ | |
| 233 | |
| 234 #define DEVICE_X_P(dev) CONSOLE_TYPESYM_X_P (DEVICE_TYPE (dev)) | |
| 235 #define CHECK_X_DEVICE(z) CHECK_DEVICE_TYPE (z, x) | |
| 236 #define CONCHECK_X_DEVICE(z) CONCHECK_DEVICE_TYPE (z, x) | |
| 237 | |
| 238 #define DEVICE_GTK_P(dev) CONSOLE_TYPESYM_GTK_P (DEVICE_TYPE (dev)) | |
| 239 #define CHECK_GTK_DEVICE(z) CHECK_DEVICE_TYPE (z, gtk) | |
| 240 #define CONCHECK_GTK_DEVICE(z) CONCHECK_DEVICE_TYPE (z, gtk) | |
| 241 | |
| 242 #define DEVICE_MSWINDOWS_P(dev) CONSOLE_TYPESYM_MSWINDOWS_P (DEVICE_TYPE (dev)) | |
| 243 #define CHECK_MSWINDOWS_DEVICE(z) CHECK_DEVICE_TYPE (z, mswindows) | |
| 244 #define CONCHECK_MSWINDOWS_DEVICE(z) CONCHECK_DEVICE_TYPE (z, mswindows) | |
| 245 | |
| 246 #define DEVICE_TTY_P(dev) CONSOLE_TYPESYM_TTY_P (DEVICE_TYPE (dev)) | |
| 247 #define CHECK_TTY_DEVICE(z) CHECK_DEVICE_TYPE (z, tty) | |
| 248 #define CONCHECK_TTY_DEVICE(z) CONCHECK_DEVICE_TYPE (z, tty) | |
| 249 | |
| 250 #define DEVICE_STREAM_P(dev) CONSOLE_TYPESYM_STREAM_P (DEVICE_TYPE (dev)) | |
| 251 #define CHECK_STREAM_DEVICE(z) CHECK_DEVICE_TYPE (z, stream) | |
| 252 #define CONCHECK_STREAM_DEVICE(z) CONCHECK_DEVICE_TYPE (z, stream) | |
| 253 | |
| 254 #define DEVICE_WIN_P(dev) CONSOLE_TYPESYM_WIN_P (DEVICE_TYPE (dev)) | |
| 255 | |
| 256 #define DEVICE_REDISPLAY_INFO(d) ((d)->redisplay_info) | |
| 257 | |
| 258 #define DEVICE_NAME(d) ((d)->name) | |
| 259 #define DEVICE_CLASS(d) ((d)->device_class) | |
| 260 /* Catch people attempting to set this. */ | |
| 261 #define DEVICE_SELECTED_FRAME(d) NON_LVALUE ((d)->selected_frame) | |
| 262 #define DEVICE_FRAME_WITH_FOCUS_REAL(d) ((d)->frame_with_focus_real) | |
| 263 #define DEVICE_FRAME_WITH_FOCUS_FOR_HOOKS(d) ((d)->frame_with_focus_for_hooks) | |
| 264 #define DEVICE_FRAME_THAT_OUGHT_TO_HAVE_FOCUS(d) \ | |
| 265 ((d)->frame_that_ought_to_have_focus) | |
| 266 #define DEVICE_USER_DEFINED_TAGS(d) ((d)->user_defined_tags) | |
| 267 #define DEVICE_CONNECTION(d) ((d)->connection) | |
| 268 #define DEVICE_CANON_CONNECTION(d) ((d)->canon_connection) | |
| 269 #define DEVICE_BAUD_RATE(d) ((d)->baud_rate) | |
| 270 #define DEVICE_INFD(d) ((d)->infd) | |
| 271 #define DEVICE_OUTFD(d) ((d)->outfd) | |
| 272 #define DEVICE_OLD_FCNTL_OWNER(d) ((d)->old_fcntl_owner) | |
| 273 #define DEVICE_ON_CONSOLE_P(d) ((d)->on_console_p) | |
| 274 #define DEVICE_CONNECTED_TO_NAS_P(d) ((d)->connected_to_nas_p) | |
| 275 | |
| 276 #define LOCK_DEVICE(d) ((void) ((d)->locked = 1)) | |
| 277 #define UNLOCK_DEVICE(d) ((void) ((d)->locked = 0)) | |
| 278 | |
| 279 #define INVALIDATE_DEVICE_PIXEL_TO_GLYPH_CACHE(d) \ | |
| 280 ((void) ((d)->pixel_to_glyph_cache.valid = 0)) | |
| 281 | |
| 282 #define INVALIDATE_PIXEL_TO_GLYPH_CACHE do { \ | |
| 283 Lisp_Object IPTGC_devcons, IPTGC_concons; \ | |
| 284 DEVICE_LOOP_NO_BREAK (IPTGC_devcons, IPTGC_concons) \ | |
| 285 INVALIDATE_DEVICE_PIXEL_TO_GLYPH_CACHE (XDEVICE (XCAR (IPTGC_devcons))); \ | |
| 286 } while (0) | |
| 287 | |
| 288 #define MARK_DEVICE_FACES_CHANGED(d) \ | |
| 289 ((void) (faces_changed = (d)->faces_changed = 1)) | |
| 290 | |
| 291 #define MARK_DEVICE_GLYPHS_CHANGED(d) \ | |
| 292 ((void) (glyphs_changed = (d)->glyphs_changed = 1)) | |
| 293 | |
| 294 #define MARK_DEVICE_SUBWINDOWS_CHANGED(d) \ | |
| 295 ((void) (subwindows_changed = (d)->subwindows_changed = 1)) | |
| 296 | |
| 297 #define MARK_DEVICE_SUBWINDOWS_STATE_CHANGED(d) \ | |
| 298 ((void) (subwindows_state_changed = (d)->subwindows_state_changed = 1)) | |
| 299 | |
| 300 #define MARK_DEVICE_TOOLBARS_CHANGED(d) \ | |
| 301 ((void) (toolbar_changed = (d)->toolbar_changed = 1)) | |
| 302 | |
| 303 #define MARK_DEVICE_GUTTERS_CHANGED(d) \ | |
| 304 ((void) (gutter_changed = (d)->gutter_changed = 1)) | |
| 305 | |
| 306 #define MARK_DEVICE_SIZE_CHANGED(d) \ | |
| 307 ((void) (size_changed = (d)->size_changed = 1)) | |
| 308 | |
| 309 #define MARK_DEVICE_FRAMES_FACES_CHANGED(d) do { \ | |
| 310 struct device *mdffc_d = (d); \ | |
| 311 Lisp_Object frmcons; \ | |
| 312 DEVICE_FRAME_LOOP (frmcons, mdffc_d) \ | |
| 313 XFRAME (XCAR (frmcons))->faces_changed = 1; \ | |
| 314 MARK_DEVICE_FACES_CHANGED (mdffc_d); \ | |
| 315 } while (0) | |
| 316 | |
| 317 #define MARK_DEVICE_FRAMES_GLYPHS_CHANGED(d) do { \ | |
| 318 struct device *mdffc_d = (d); \ | |
| 319 Lisp_Object frmcons; \ | |
| 320 DEVICE_FRAME_LOOP (frmcons, mdffc_d) \ | |
| 321 XFRAME (XCAR (frmcons))->glyphs_changed = 1; \ | |
| 322 MARK_DEVICE_GLYPHS_CHANGED (mdffc_d); \ | |
| 323 } while (0) | |
| 324 | |
| 325 #define MARK_DEVICE_FRAME_CHANGED(d) \ | |
| 326 ((void) (frame_changed = (d)->frame_changed = 1)) | |
| 327 | |
| 905 | 328 #define MARK_DEVICE_FRAME_LAYOUT_CHANGED(d) \ |
| 329 ((void) (frame_layout_changed = (d)->frame_layout_changed = 1)) | |
| 330 | |
| 872 | 331 #define MARK_DEVICE_WINDOWS_CHANGED(d) \ |
| 332 ((void) (windows_changed = (d)->windows_changed = 1)) | |
| 333 | |
| 334 #define MARK_DEVICE_WINDOWS_STRUCTURE_CHANGED(d) \ | |
| 335 ((void) (windows_structure_changed = (d)->windows_structure_changed = 1)) | |
| 336 | |
| 337 #endif /* INCLUDED_device_impl_h_ */ |