| 1 | /* Define frame-object for GNU Emacs. |
| 2 | Copyright (C) 1988, 1992, 1993 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GNU Emacs. |
| 5 | |
| 6 | GNU Emacs is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2, or (at your option) |
| 9 | any later version. |
| 10 | |
| 11 | GNU Emacs is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with GNU Emacs; see the file COPYING. If not, write to |
| 18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 19 | |
| 20 | \f |
| 21 | /* Miscellanea. */ |
| 22 | |
| 23 | /* Nonzero means don't assume anything about current |
| 24 | contents of actual terminal frame */ |
| 25 | extern int frame_garbaged; |
| 26 | |
| 27 | /* Nonzero means FRAME_MESSAGE_BUF (selected_frame) is being used by |
| 28 | print. */ |
| 29 | extern int message_buf_print; |
| 30 | |
| 31 | \f |
| 32 | /* The structure representing a frame. |
| 33 | |
| 34 | We declare this even if MULTI_FRAME is not defined, because when |
| 35 | we lack multi-frame support, we use one instance of this structure |
| 36 | to represent the one frame we support. This is cleaner than |
| 37 | having miscellaneous random variables scattered about. */ |
| 38 | |
| 39 | enum output_method |
| 40 | { output_termcap, output_x_window }; |
| 41 | |
| 42 | struct frame |
| 43 | { |
| 44 | int size; |
| 45 | struct Lisp_Vector *next; |
| 46 | |
| 47 | /* glyphs as they appear on the frame */ |
| 48 | struct frame_glyphs *current_glyphs; |
| 49 | |
| 50 | /* glyphs we'd like to appear on the frame */ |
| 51 | struct frame_glyphs *desired_glyphs; |
| 52 | |
| 53 | /* See do_line_insertion_deletion_costs for info on these arrays. */ |
| 54 | /* Cost of inserting 1 line on this frame */ |
| 55 | int *insert_line_cost; |
| 56 | /* Cost of deleting 1 line on this frame */ |
| 57 | int *delete_line_cost; |
| 58 | /* Cost of inserting n lines on this frame */ |
| 59 | int *insert_n_lines_cost; |
| 60 | /* Cost of deleting n lines on this frame */ |
| 61 | int *delete_n_lines_cost; |
| 62 | |
| 63 | /* glyphs for the mode line */ |
| 64 | struct frame_glyphs *temp_glyphs; |
| 65 | |
| 66 | /* Intended cursor position of this frame. |
| 67 | Measured in characters, counting from upper left corner |
| 68 | within the frame. */ |
| 69 | int cursor_x; |
| 70 | int cursor_y; |
| 71 | |
| 72 | /* Actual cursor position of this frame, and the character under it. |
| 73 | (Not used for terminal frames.) */ |
| 74 | int phys_cursor_x; |
| 75 | int phys_cursor_y; |
| 76 | /* This is handy for undrawing the cursor, because current_glyphs is |
| 77 | not always accurate when in do_scrolling. */ |
| 78 | GLYPH phys_cursor_glyph; |
| 79 | |
| 80 | /* Size of this frame, in units of characters. */ |
| 81 | int height; |
| 82 | int width; |
| 83 | |
| 84 | /* New height and width for pending size change. 0 if no change pending. */ |
| 85 | int new_height, new_width; |
| 86 | |
| 87 | /* Name of this frame: a Lisp string. See also `explicit_name'. */ |
| 88 | Lisp_Object name; |
| 89 | |
| 90 | /* The frame which should recieve keystrokes that occur in this |
| 91 | frame, or nil if they should go to the frame itself. This is |
| 92 | usually nil, but if the frame is minibufferless, we can use this |
| 93 | to redirect keystrokes to a surrogate minibuffer frame when |
| 94 | needed. |
| 95 | |
| 96 | Note that a value of nil is different than having the field point |
| 97 | to the frame itself. Whenever the Fselect_frame function is used |
| 98 | to shift from one frame to the other, any redirections to the |
| 99 | original frame are shifted to the newly selected frame; if |
| 100 | focus_frame is nil, Fselect_frame will leave it alone. */ |
| 101 | Lisp_Object focus_frame; |
| 102 | |
| 103 | /* This frame's root window. Every frame has one. |
| 104 | If the frame has only a minibuffer window, this is it. |
| 105 | Otherwise, if the frame has a minibuffer window, this is its sibling. */ |
| 106 | Lisp_Object root_window; |
| 107 | |
| 108 | /* This frame's selected window. |
| 109 | Each frame has its own window hierarchy |
| 110 | and one of the windows in it is selected within the frame. |
| 111 | The selected window of the selected frame is Emacs's selected window. */ |
| 112 | Lisp_Object selected_window; |
| 113 | |
| 114 | /* This frame's minibuffer window. |
| 115 | Most frames have their own minibuffer windows, |
| 116 | but only the selected frame's minibuffer window |
| 117 | can actually appear to exist. */ |
| 118 | Lisp_Object minibuffer_window; |
| 119 | |
| 120 | /* Parameter alist of this frame. |
| 121 | These are the parameters specified when creating the frame |
| 122 | or modified with modify-frame-parameters. */ |
| 123 | Lisp_Object param_alist; |
| 124 | |
| 125 | /* List of scroll bars on this frame. |
| 126 | Actually, we don't specify exactly what is stored here at all; the |
| 127 | scroll bar implementation code can use it to store anything it likes. |
| 128 | This field is marked by the garbage collector. It is here |
| 129 | instead of in the `display' structure so that the garbage |
| 130 | collector doesn't need to look inside the window-system-dependent |
| 131 | structure. */ |
| 132 | Lisp_Object scroll_bars; |
| 133 | Lisp_Object condemned_scroll_bars; |
| 134 | |
| 135 | Lisp_Object menu_bar_items; |
| 136 | |
| 137 | /* The output method says how the contents of this frame |
| 138 | are displayed. It could be using termcap, or using an X window. */ |
| 139 | enum output_method output_method; |
| 140 | |
| 141 | /* A structure of auxiliary data used for displaying the contents. |
| 142 | struct x_display is used for X window frames; |
| 143 | it is defined in xterm.h. */ |
| 144 | union display { struct x_display *x; int nothing; } display; |
| 145 | |
| 146 | /* Number of lines of menu bar. */ |
| 147 | int menu_bar_lines; |
| 148 | |
| 149 | /* Nonzero if last attempt at redisplay on this frame was preempted. */ |
| 150 | char display_preempted; |
| 151 | |
| 152 | /* visible is nonzero if the frame is currently displayed; we check |
| 153 | it to see if we should bother updating the frame's contents. |
| 154 | DON'T SET IT DIRECTLY; instead, use FRAME_SET_VISIBLE. |
| 155 | |
| 156 | Note that, since invisible frames aren't updated, whenever a |
| 157 | frame becomes visible again, it must be marked as garbaged. The |
| 158 | FRAME_SAMPLE_VISIBILITY macro takes care of this. |
| 159 | |
| 160 | iconified is nonzero if the frame is currently iconified. |
| 161 | |
| 162 | Asynchronous input handlers should NOT change these directly; |
| 163 | instead, they should change async_visible or async_iconified, and |
| 164 | let the FRAME_SAMPLE_VISIBILITY macro set visible and iconified |
| 165 | at the next redisplay. |
| 166 | |
| 167 | These should probably be considered read-only by everyone except |
| 168 | FRAME_SAMPLE_VISIBILITY. |
| 169 | |
| 170 | This two are mutually exclusive. They might both be zero, if the |
| 171 | frame has been made invisible without an icon. */ |
| 172 | char visible, iconified; |
| 173 | |
| 174 | /* Asynchronous input handlers change these, and |
| 175 | FRAME_SAMPLE_VISIBILITY copies them into visible and iconified. |
| 176 | See FRAME_SAMPLE_VISIBILITY, below. */ |
| 177 | #ifdef __STDC__ |
| 178 | volatile |
| 179 | #endif |
| 180 | char async_visible, async_iconified; |
| 181 | |
| 182 | /* Nonzero if this frame should be redrawn. */ |
| 183 | #ifdef __STDC__ |
| 184 | volatile |
| 185 | #endif |
| 186 | char garbaged; |
| 187 | |
| 188 | /* True if frame actually has a minibuffer window on it. |
| 189 | 0 if using a minibuffer window that isn't on this frame. */ |
| 190 | char has_minibuffer; |
| 191 | |
| 192 | /* 0 means, if this frame has just one window, |
| 193 | show no modeline for that window. */ |
| 194 | char wants_modeline; |
| 195 | |
| 196 | /* Non-zero if the hardware device this frame is displaying on can |
| 197 | support scroll bars. */ |
| 198 | char can_have_scroll_bars; |
| 199 | |
| 200 | /* If can_have_scroll_bars is non-zero, this is non-zero if we should |
| 201 | actually display them on this frame. */ |
| 202 | char has_vertical_scroll_bars; |
| 203 | |
| 204 | /* Non-0 means raise this frame to the top of the heap when selected. */ |
| 205 | char auto_raise; |
| 206 | |
| 207 | /* Non-0 means lower this frame to the bottom of the stack when left. */ |
| 208 | char auto_lower; |
| 209 | |
| 210 | /* True if frame's root window can't be split. */ |
| 211 | char no_split; |
| 212 | |
| 213 | /* If this is set, then Emacs won't change the frame name to indicate |
| 214 | the current buffer, etcetera. If the user explicitly sets the frame |
| 215 | name, this gets set. If the user sets the name to Qnil, this is |
| 216 | cleared. */ |
| 217 | char explicit_name; |
| 218 | |
| 219 | /* Storage for messages to this frame. */ |
| 220 | char *message_buf; |
| 221 | |
| 222 | /* Nonnegative if current redisplay should not do scroll computation |
| 223 | for lines beyond a certain vpos. This is the vpos. */ |
| 224 | int scroll_bottom_vpos; |
| 225 | }; |
| 226 | |
| 227 | #ifdef MULTI_FRAME |
| 228 | |
| 229 | typedef struct frame *FRAME_PTR; |
| 230 | |
| 231 | #define XFRAME(p) ((struct frame *) XPNTR (p)) |
| 232 | #define XSETFRAME(p, v) ((struct frame *) XSETPNTR (p, v)) |
| 233 | |
| 234 | #define WINDOW_FRAME(w) (w)->frame |
| 235 | |
| 236 | #define FRAME_LIVE_P(f) ((f)->display.nothing != 0) |
| 237 | #define FRAME_TERMCAP_P(f) ((f)->output_method == output_termcap) |
| 238 | #define FRAME_X_P(f) ((f)->output_method == output_x_window) |
| 239 | #define FRAME_MINIBUF_ONLY_P(f) \ |
| 240 | EQ (FRAME_ROOT_WINDOW (f), FRAME_MINIBUF_WINDOW (f)) |
| 241 | #define FRAME_HAS_MINIBUF_P(f) ((f)->has_minibuffer) |
| 242 | #define FRAME_CURRENT_GLYPHS(f) (f)->current_glyphs |
| 243 | #define FRAME_DESIRED_GLYPHS(f) (f)->desired_glyphs |
| 244 | #define FRAME_TEMP_GLYPHS(f) (f)->temp_glyphs |
| 245 | #define FRAME_HEIGHT(f) (f)->height |
| 246 | #define FRAME_WIDTH(f) (f)->width |
| 247 | #define FRAME_NEW_HEIGHT(f) (f)->new_height |
| 248 | #define FRAME_NEW_WIDTH(f) (f)->new_width |
| 249 | #define FRAME_MENU_BAR_LINES(f) (f)->menu_bar_lines |
| 250 | #define FRAME_CURSOR_X(f) (f)->cursor_x |
| 251 | #define FRAME_CURSOR_Y(f) (f)->cursor_y |
| 252 | #define FRAME_VISIBLE_P(f) ((f)->visible != 0) |
| 253 | #define FRAME_SET_VISIBLE(f,p) \ |
| 254 | ((f)->async_visible = (p), FRAME_SAMPLE_VISIBILITY (f)) |
| 255 | #define SET_FRAME_GARBAGED(f) (frame_garbaged = 1, f->garbaged = 1) |
| 256 | #define FRAME_GARBAGED_P(f) (f)->garbaged |
| 257 | #define FRAME_NO_SPLIT_P(f) (f)->no_split |
| 258 | #define FRAME_WANTS_MODELINE_P(f) (f)->wants_modeline |
| 259 | #define FRAME_ICONIFIED_P(f) (f)->iconified |
| 260 | #define FRAME_MINIBUF_WINDOW(f) (f)->minibuffer_window |
| 261 | #define FRAME_ROOT_WINDOW(f) (f)->root_window |
| 262 | #define FRAME_SELECTED_WINDOW(f) (f)->selected_window |
| 263 | #define SET_GLYPHS_FRAME(glyphs,frame) ((glyphs)->frame = (frame)) |
| 264 | #define FRAME_INSERT_COST(f) (f)->insert_line_cost |
| 265 | #define FRAME_DELETE_COST(f) (f)->delete_line_cost |
| 266 | #define FRAME_INSERTN_COST(f) (f)->insert_n_lines_cost |
| 267 | #define FRAME_DELETEN_COST(f) (f)->delete_n_lines_cost |
| 268 | #define FRAME_MESSAGE_BUF(f) (f)->message_buf |
| 269 | #define FRAME_SCROLL_BOTTOM_VPOS(f) (f)->scroll_bottom_vpos |
| 270 | #define FRAME_FOCUS_FRAME(f) (f)->focus_frame |
| 271 | #define FRAME_CAN_HAVE_SCROLL_BARS(f) ((f)->can_have_scroll_bars) |
| 272 | #define FRAME_HAS_VERTICAL_SCROLL_BARS(f) ((f)->has_vertical_scroll_bars) |
| 273 | #define FRAME_SCROLL_BARS(f) ((f)->scroll_bars) |
| 274 | #define FRAME_CONDEMNED_SCROLL_BARS(f) ((f)->condemned_scroll_bars) |
| 275 | #define FRAME_MENU_BAR_ITEMS(f) ((f)->menu_bar_items) |
| 276 | |
| 277 | /* Emacs's redisplay code could become confused if a frame's |
| 278 | visibility changes at arbitrary times. For example, if a frame is |
| 279 | visible while the desired glyphs are being built, but becomes |
| 280 | invisible before they are updated, then some rows of the |
| 281 | desired_glyphs will be left marked as enabled after redisplay is |
| 282 | complete, which should never happen. The next time the frame |
| 283 | becomes visible, redisplay will probably barf. |
| 284 | |
| 285 | Currently, there are no similar situations involving iconified, but |
| 286 | the principle is the same. |
| 287 | |
| 288 | So instead of having asynchronous input handlers directly set and |
| 289 | clear the frame's visibility and iconification flags, they just set |
| 290 | the async_visible and async_iconified flags; the redisplay code |
| 291 | calls the FRAME_SAMPLE_VISIBILITY macro before doing any redisplay, |
| 292 | which sets visible and iconified from their asynchronous |
| 293 | counterparts. |
| 294 | |
| 295 | Synchronous code must use the FRAME_SET_VISIBLE macro. |
| 296 | |
| 297 | Also, if a frame used to be invisible, but has just become visible, |
| 298 | it must be marked as garbaged, since redisplay hasn't been keeping |
| 299 | up its contents. */ |
| 300 | #define FRAME_SAMPLE_VISIBILITY(f) \ |
| 301 | (((f)->async_visible && ! (f)->visible) ? SET_FRAME_GARBAGED (f) : 0, \ |
| 302 | (f)->visible = (f)->async_visible, \ |
| 303 | (f)->iconified = (f)->async_iconified) |
| 304 | |
| 305 | #define CHECK_FRAME(x, i) \ |
| 306 | { \ |
| 307 | if (! FRAMEP (x)) \ |
| 308 | x = wrong_type_argument (Qframep, (x)); \ |
| 309 | } |
| 310 | |
| 311 | #define CHECK_LIVE_FRAME(x, i) \ |
| 312 | { \ |
| 313 | if (! FRAMEP (x) \ |
| 314 | || ! FRAME_LIVE_P (XFRAME (x))) \ |
| 315 | x = wrong_type_argument (Qframe_live_p, (x)); \ |
| 316 | } |
| 317 | |
| 318 | /* FOR_EACH_FRAME (LIST_VAR, FRAME_VAR) followed by a statement is a |
| 319 | `for' loop which iterates over the elements of Vframe_list. The |
| 320 | loop will set FRAME_VAR, a FRAME_PTR, to each frame in |
| 321 | Vframe_list in succession and execute the statement. LIST_VAR |
| 322 | should be a Lisp_Object; it is used to iterate through the |
| 323 | Vframe_list. |
| 324 | |
| 325 | If MULTI_FRAME isn't defined, then this loop expands to something which |
| 326 | executes the statement once. */ |
| 327 | #define FOR_EACH_FRAME(list_var, frame_var) \ |
| 328 | for ((list_var) = Vframe_list; \ |
| 329 | (CONSP (list_var) \ |
| 330 | && (frame_var = XFRAME (XCONS (list_var)->car), 1)); \ |
| 331 | list_var = XCONS (list_var)->cdr) |
| 332 | |
| 333 | |
| 334 | extern Lisp_Object Qframep, Qframe_live_p; |
| 335 | |
| 336 | extern struct frame *selected_frame; |
| 337 | extern struct frame *last_nonminibuf_frame; |
| 338 | |
| 339 | extern struct frame *make_terminal_frame (); |
| 340 | extern struct frame *make_frame (); |
| 341 | extern struct frame *make_minibuffer_frame (); |
| 342 | extern struct frame *make_frame_without_minibuffer (); |
| 343 | |
| 344 | extern Lisp_Object Vframe_list; |
| 345 | extern Lisp_Object Vdefault_frame_alist; |
| 346 | |
| 347 | extern Lisp_Object Vterminal_frame; |
| 348 | \f |
| 349 | #else /* not MULTI_FRAME */ |
| 350 | |
| 351 | /* These definitions are used in a single-frame version of Emacs. */ |
| 352 | |
| 353 | #define FRAME_PTR int |
| 354 | |
| 355 | /* A frame we use to store all the data concerning the screen when we |
| 356 | don't have multiple frames. Remember, if you store any data in it |
| 357 | which needs to be protected from GC, you should staticpro that |
| 358 | element explicitly. */ |
| 359 | extern struct frame the_only_frame; |
| 360 | |
| 361 | extern int selected_frame; |
| 362 | extern int last_nonminibuf_frame; |
| 363 | |
| 364 | #define XFRAME(f) selected_frame |
| 365 | #define WINDOW_FRAME(w) selected_frame |
| 366 | |
| 367 | #define FRAME_LIVE_P(f) 1 |
| 368 | #define FRAME_TERMCAP_P(f) 1 |
| 369 | #define FRAME_X_P(f) 0 |
| 370 | #define FRAME_MINIBUF_ONLY_P(f) 0 |
| 371 | #define FRAME_HAS_MINIBUF_P(f) 1 |
| 372 | #define FRAME_CURRENT_GLYPHS(f) (the_only_frame.current_glyphs) |
| 373 | #define FRAME_DESIRED_GLYPHS(f) (the_only_frame.desired_glyphs) |
| 374 | #define FRAME_TEMP_GLYPHS(f) (the_only_frame.temp_glyphs) |
| 375 | #define FRAME_HEIGHT(f) (the_only_frame.height) |
| 376 | #define FRAME_WIDTH(f) (the_only_frame.width) |
| 377 | #define FRAME_NEW_HEIGHT(f) (the_only_frame.new_height) |
| 378 | #define FRAME_NEW_WIDTH(f) (the_only_frame.new_width) |
| 379 | #define FRAME_MENU_BAR_LINES(f) (the_only_frame.menu_bar_lines) |
| 380 | #define FRAME_CURSOR_X(f) (the_only_frame.cursor_x) |
| 381 | #define FRAME_CURSOR_Y(f) (the_only_frame.cursor_y) |
| 382 | #define FRAME_SET_VISIBLE(f,p) (p) |
| 383 | #define FRAME_VISIBLE_P(f) 1 |
| 384 | #define SET_FRAME_GARBAGED(f) (frame_garbaged = 1) |
| 385 | #define FRAME_GARBAGED_P(f) (frame_garbaged) |
| 386 | #define FRAME_NO_SPLIT_P(f) 0 |
| 387 | #define FRAME_WANTS_MODELINE_P(f) 1 |
| 388 | #define FRAME_ICONIFIED_P(f) 0 |
| 389 | #define FRAME_MINIBUF_WINDOW(f) (the_only_frame.root_window) |
| 390 | #define FRAME_ROOT_WINDOW(f) (the_only_frame.root_window) |
| 391 | #define FRAME_SELECTED_WINDOW(f) (selected_window) |
| 392 | #define SET_GLYPHS_FRAME(glyphs,frame) do ; while (0) |
| 393 | #define FRAME_INSERT_COST(frame) (the_only_frame.insert_line_cost) |
| 394 | #define FRAME_DELETE_COST(frame) (the_only_frame.delete_line_cost) |
| 395 | #define FRAME_INSERTN_COST(frame) (the_only_frame.insert_n_lines_cost) |
| 396 | #define FRAME_DELETEN_COST(frame) (the_only_frame.delete_n_lines_cost) |
| 397 | #define FRAME_MESSAGE_BUF(f) (the_only_frame.message_buf) |
| 398 | #define FRAME_SCROLL_BOTTOM_VPOS(f) (the_only_frame.scroll_bottom_vpos) |
| 399 | #define FRAME_FOCUS_FRAME(f) (Qnil) |
| 400 | #define FRAME_CAN_HAVE_SCROLL_BARS(f) (the_only_frame.can_have_scroll_bars) |
| 401 | #define FRAME_HAS_VERTICAL_SCROLL_BARS(f) \ |
| 402 | (the_only_frame.has_vertical_scroll_bars) |
| 403 | #define FRAME_SCROLL_BARS(f) (the_only_frame.scroll_bars) |
| 404 | #define FRAME_CONDEMNED_SCROLL_BARS(f) (the_only_frame.condemned_scroll_bars) |
| 405 | #define FRAME_MENU_BAR_ITEMS(f) (the_only_frame.menu_bar_items) |
| 406 | |
| 407 | /* See comments in definition above. */ |
| 408 | #define FRAME_SAMPLE_VISIBILITY(f) (0) |
| 409 | |
| 410 | #define CHECK_FRAME(x, i) do; while (0) |
| 411 | #define CHECK_LIVE_FRAME(x, y) do; while (0) |
| 412 | |
| 413 | /* FOR_EACH_FRAME (LIST_VAR, FRAME_VAR) followed by a statement is a |
| 414 | `for' loop which iterates over the elements of Vframe_list. The |
| 415 | loop will set FRAME_VAR, a FRAME_PTR, to each frame in |
| 416 | Vframe_list in succession and execute the statement. LIST_VAR |
| 417 | should be a Lisp_Object; it is used to iterate through the |
| 418 | Vframe_list. |
| 419 | |
| 420 | If MULTI_FRAME _is_ defined, then this loop expands to a real |
| 421 | `for' loop which traverses Vframe_list using LIST_VAR and |
| 422 | FRAME_VAR. */ |
| 423 | #define FOR_EACH_FRAME(list_var, frame_var) \ |
| 424 | for (frame_var = (FRAME_PTR) 1; frame_var; frame_var = (FRAME_PTR) 0) |
| 425 | |
| 426 | #endif /* not MULTI_FRAME */ |
| 427 | |
| 428 | \f |
| 429 | /* Device- and MULTI_FRAME-independent scroll bar stuff. */ |
| 430 | |
| 431 | /* The number of columns a vertical scroll bar occupies. */ |
| 432 | #define VERTICAL_SCROLL_BAR_WIDTH (2) |
| 433 | |
| 434 | /* Return the starting column (zero-based) of the vertical scroll bar |
| 435 | for window W. The column before this one is the last column we can |
| 436 | use for text. If the window touches the right edge of the frame, |
| 437 | we have extra space allocated for it. Otherwise, the scroll bar |
| 438 | takes over the window's rightmost columns. */ |
| 439 | #define WINDOW_VERTICAL_SCROLL_BAR_COLUMN(w) \ |
| 440 | (((XINT ((w)->left) + XINT ((w)->width)) \ |
| 441 | < FRAME_WIDTH (XFRAME (WINDOW_FRAME (w)))) \ |
| 442 | ? XINT ((w)->left) + XINT ((w)->width) - VERTICAL_SCROLL_BAR_WIDTH \ |
| 443 | : FRAME_WIDTH (XFRAME (WINDOW_FRAME (w)))) |
| 444 | |
| 445 | /* Return the height in lines of the vertical scroll bar in w. If the |
| 446 | window has a mode line, don't make the scroll bar extend that far. */ |
| 447 | #define WINDOW_VERTICAL_SCROLL_BAR_HEIGHT(w) (window_internal_height (w)) |