w32fns.c 182 KB
Newer Older
1
/* Graphical user interface functions for the Microsoft W32 API.
2
   Copyright (C) 1989, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
Geoff Voelker's avatar
Geoff Voelker committed
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

This file is part of GNU Emacs.

GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING.  If not, write to
18 19
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */
Geoff Voelker's avatar
Geoff Voelker committed
20 21 22 23

/* Added by Kevin Gallo */

#include <config.h>
Geoff Voelker's avatar
Geoff Voelker committed
24 25

#include <signal.h>
Geoff Voelker's avatar
Geoff Voelker committed
26
#include <stdio.h>
Geoff Voelker's avatar
Geoff Voelker committed
27 28
#include <limits.h>
#include <errno.h>
Geoff Voelker's avatar
Geoff Voelker committed
29 30

#include "lisp.h"
31 32
#include "charset.h"
#include "fontset.h"
Geoff Voelker's avatar
Geoff Voelker committed
33 34 35 36 37 38 39 40
#include "w32term.h"
#include "frame.h"
#include "window.h"
#include "buffer.h"
#include "dispextern.h"
#include "keyboard.h"
#include "blockinput.h"
#include "paths.h"
Geoff Voelker's avatar
Geoff Voelker committed
41
#include "w32heap.h"
Geoff Voelker's avatar
Geoff Voelker committed
42
#include "termhooks.h"
43
#include "coding.h"
Geoff Voelker's avatar
Geoff Voelker committed
44 45

#include <commdlg.h>
Richard M. Stallman's avatar
Richard M. Stallman committed
46
#include <shellapi.h>
Geoff Voelker's avatar
Geoff Voelker committed
47 48 49 50

extern void abort ();
extern void free_frame_menubar ();
extern struct scroll_bar *x_window_to_scroll_bar ();
51
extern int quit_char;
Geoff Voelker's avatar
Geoff Voelker committed
52 53

/* The colormap for converting color names to RGB values */
54
Lisp_Object Vw32_color_map;
Geoff Voelker's avatar
Geoff Voelker committed
55

Geoff Voelker's avatar
Geoff Voelker committed
56
/* Non nil if alt key presses are passed on to Windows.  */
57
Lisp_Object Vw32_pass_alt_to_system;
Geoff Voelker's avatar
Geoff Voelker committed
58

59 60
/* Non nil if alt key is translated to meta_modifier, nil if it is translated
   to alt_modifier.  */
61
Lisp_Object Vw32_alt_is_meta;
62

Geoff Voelker's avatar
Geoff Voelker committed
63 64
/* Non nil if left window, right window, and application key events
   are passed on to Windows.  */
65
Lisp_Object Vw32_pass_optional_keys_to_system;
Geoff Voelker's avatar
Geoff Voelker committed
66

67 68
/* Switch to control whether we inhibit requests for italicised fonts (which
   are synthesized, look ugly, and are trashed by cursor movement under NT). */
69
Lisp_Object Vw32_enable_italics;
70 71

/* Enable palette management. */
72
Lisp_Object Vw32_enable_palette;
73 74 75

/* Control how close left/right button down events must be to
   be converted to a middle button down event. */
76
Lisp_Object Vw32_mouse_button_tolerance;
77

78 79
/* Minimum interval between mouse movement (and scroll bar drag)
   events that are passed on to the event loop. */
80
Lisp_Object Vw32_mouse_move_interval;
81

Geoff Voelker's avatar
Geoff Voelker committed
82 83 84 85 86 87 88 89 90 91 92 93 94 95 96
/* The name we're using in resource queries.  */
Lisp_Object Vx_resource_name;

/* Non nil if no window manager is in use.  */
Lisp_Object Vx_no_window_manager;

/* The background and shape of the mouse pointer, and shape when not
   over text or in the modeline.  */
Lisp_Object Vx_pointer_shape, Vx_nontext_pointer_shape, Vx_mode_pointer_shape;
/* The shape when over mouse-sensitive text.  */
Lisp_Object Vx_sensitive_text_pointer_shape;

/* Color of chars displayed in cursor box.  */
Lisp_Object Vx_cursor_fore_pixel;

Geoff Voelker's avatar
Geoff Voelker committed
97 98 99
/* Nonzero if using Windows.  */
static int w32_in_use;

Geoff Voelker's avatar
Geoff Voelker committed
100 101 102
/* Search path for bitmap files.  */
Lisp_Object Vx_bitmap_file_path;

103 104 105 106 107 108
/* Regexp matching a font name whose width is the same as `PIXEL_SIZE'.  */
Lisp_Object Vx_pixel_size_width_font_regexp;

/* A flag to control how to display unibyte 8-bit character.  */
int unibyte_display_via_language_environment;

Geoff Voelker's avatar
Geoff Voelker committed
109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160
/* Evaluate this expression to rebuild the section of syms_of_w32fns
   that initializes and staticpros the symbols declared below.  Note
   that Emacs 18 has a bug that keeps C-x C-e from being able to
   evaluate this expression.

(progn
  ;; Accumulate a list of the symbols we want to initialize from the
  ;; declarations at the top of the file.
  (goto-char (point-min))
  (search-forward "/\*&&& symbols declared here &&&*\/\n")
  (let (symbol-list)
    (while (looking-at "Lisp_Object \\(Q[a-z_]+\\)")
      (setq symbol-list
	    (cons (buffer-substring (match-beginning 1) (match-end 1))
		  symbol-list))
      (forward-line 1))
    (setq symbol-list (nreverse symbol-list))
    ;; Delete the section of syms_of_... where we initialize the symbols.
    (search-forward "\n  /\*&&& init symbols here &&&*\/\n")
    (let ((start (point)))
      (while (looking-at "^  Q")
	(forward-line 2))
      (kill-region start (point)))
    ;; Write a new symbol initialization section.
    (while symbol-list
      (insert (format "  %s = intern (\"" (car symbol-list)))
      (let ((start (point)))
	(insert (substring (car symbol-list) 1))
	(subst-char-in-region start (point) ?_ ?-))
      (insert (format "\");\n  staticpro (&%s);\n" (car symbol-list)))
      (setq symbol-list (cdr symbol-list)))))

  */        

/*&&& symbols declared here &&&*/
Lisp_Object Qauto_raise;
Lisp_Object Qauto_lower;
Lisp_Object Qbackground_color;
Lisp_Object Qbar;
Lisp_Object Qborder_color;
Lisp_Object Qborder_width;
Lisp_Object Qbox;
Lisp_Object Qcursor_color;
Lisp_Object Qcursor_type;
Lisp_Object Qforeground_color;
Lisp_Object Qgeometry;
Lisp_Object Qicon_left;
Lisp_Object Qicon_top;
Lisp_Object Qicon_type;
Lisp_Object Qicon_name;
Lisp_Object Qinternal_border_width;
Lisp_Object Qleft;
Richard M. Stallman's avatar
Richard M. Stallman committed
161
Lisp_Object Qright;
Geoff Voelker's avatar
Geoff Voelker committed
162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177
Lisp_Object Qmouse_color;
Lisp_Object Qnone;
Lisp_Object Qparent_id;
Lisp_Object Qscroll_bar_width;
Lisp_Object Qsuppress_icon;
Lisp_Object Qtop;
Lisp_Object Qundefined_color;
Lisp_Object Qvertical_scroll_bars;
Lisp_Object Qvisibility;
Lisp_Object Qwindow_id;
Lisp_Object Qx_frame_parameter;
Lisp_Object Qx_resource_name;
Lisp_Object Quser_position;
Lisp_Object Quser_size;
Lisp_Object Qdisplay;

178 179 180 181 182 183
/* State variables for emulating a three button mouse. */
#define LMOUSE 1
#define MMOUSE 2
#define RMOUSE 4

static int button_state = 0;
184
static W32Msg saved_mouse_button_msg;
185
static unsigned mouse_button_timer;	/* non-zero when timer is active */
186
static W32Msg saved_mouse_move_msg;
187 188
static unsigned mouse_move_timer;

189 190 191
/* W95 mousewheel handler */
unsigned int msh_mousewheel = 0;	

192 193
#define MOUSE_BUTTON_ID	1
#define MOUSE_MOVE_ID	2
194

Geoff Voelker's avatar
Geoff Voelker committed
195 196
/* The below are defined in frame.c.  */
extern Lisp_Object Qheight, Qminibuffer, Qname, Qonly, Qwidth;
Geoff Voelker's avatar
Geoff Voelker committed
197
extern Lisp_Object Qunsplittable, Qmenu_bar_lines, Qbuffer_predicate, Qtitle;
Geoff Voelker's avatar
Geoff Voelker committed
198 199 200

extern Lisp_Object Vwindow_system_version;

201 202
Lisp_Object Qface_set_after_frame_default;

Geoff Voelker's avatar
Geoff Voelker committed
203 204
extern Lisp_Object last_mouse_scroll_bar;
extern int last_mouse_scroll_bar_pos;
205

206 207
/* From w32term.c. */
extern Lisp_Object Vw32_num_mouse_buttons;
208

Geoff Voelker's avatar
Geoff Voelker committed
209

Geoff Voelker's avatar
Geoff Voelker committed
210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226
/* Error if we are not connected to MS-Windows.  */
void
check_w32 ()
{
  if (! w32_in_use)
    error ("MS-Windows not in use or not initialized");
}

/* Nonzero if we can use mouse menus.
   You should not call this unless HAVE_MENUS is defined.  */
  
int
have_menus_p ()
{
  return w32_in_use;
}

Geoff Voelker's avatar
Geoff Voelker committed
227
/* Extract a frame as a FRAME_PTR, defaulting to the selected frame
228
   and checking validity for W32.  */
Geoff Voelker's avatar
Geoff Voelker committed
229 230 231 232 233 234 235 236 237 238 239 240 241 242

FRAME_PTR
check_x_frame (frame)
     Lisp_Object frame;
{
  FRAME_PTR f;

  if (NILP (frame))
    f = selected_frame;
  else
    {
      CHECK_LIVE_FRAME (frame, 0);
      f = XFRAME (frame);
    }
243 244
  if (! FRAME_W32_P (f))
    error ("non-w32 frame used");
Geoff Voelker's avatar
Geoff Voelker committed
245 246 247 248
  return f;
}

/* Let the user specify an display with a frame.
249
   nil stands for the selected frame--or, if that is not a w32 frame,
Geoff Voelker's avatar
Geoff Voelker committed
250 251
   the first display on the list.  */

252
static struct w32_display_info *
Geoff Voelker's avatar
Geoff Voelker committed
253 254 255 256 257
check_x_display_info (frame)
     Lisp_Object frame;
{
  if (NILP (frame))
    {
258 259
      if (FRAME_W32_P (selected_frame))
	return FRAME_W32_DISPLAY_INFO (selected_frame);
Geoff Voelker's avatar
Geoff Voelker committed
260
      else
261
	return &one_w32_display_info;
Geoff Voelker's avatar
Geoff Voelker committed
262 263 264 265 266 267 268 269 270
    }
  else if (STRINGP (frame))
    return x_display_info_for_name (frame);
  else
    {
      FRAME_PTR f;

      CHECK_LIVE_FRAME (frame, 0);
      f = XFRAME (frame);
271 272 273
      if (! FRAME_W32_P (f))
	error ("non-w32 frame used");
      return FRAME_W32_DISPLAY_INFO (f);
Geoff Voelker's avatar
Geoff Voelker committed
274 275 276
    }
}

277
/* Return the Emacs frame-object corresponding to an w32 window.
Geoff Voelker's avatar
Geoff Voelker committed
278 279 280 281 282 283
   It could be the frame's main window or an icon window.  */

/* This function can be called during GC, so use GC_xxx type test macros.  */

struct frame *
x_window_to_frame (dpyinfo, wdesc)
284
     struct w32_display_info *dpyinfo;
Geoff Voelker's avatar
Geoff Voelker committed
285 286 287 288 289 290 291 292 293 294 295 296
     HWND wdesc;
{
  Lisp_Object tail, frame;
  struct frame *f;

  for (tail = Vframe_list; GC_CONSP (tail); tail = XCONS (tail)->cdr)
    {
      frame = XCONS (tail)->car;
      if (!GC_FRAMEP (frame))
        continue;
      f = XFRAME (frame);
      if (f->output_data.nothing == 1 
297
	  || FRAME_W32_DISPLAY_INFO (f) != dpyinfo)
Geoff Voelker's avatar
Geoff Voelker committed
298
	continue;
299
      if (FRAME_W32_WINDOW (f) == wdesc)
Geoff Voelker's avatar
Geoff Voelker committed
300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325
        return f;
    }
  return 0;
}



/* Code to deal with bitmaps.  Bitmaps are referenced by their bitmap
   id, which is just an int that this section returns.  Bitmaps are
   reference counted so they can be shared among frames.

   Bitmap indices are guaranteed to be > 0, so a negative number can
   be used to indicate no bitmap.

   If you use x_create_bitmap_from_data, then you must keep track of
   the bitmaps yourself.  That is, creating a bitmap from the same
   data more than once will not be caught.  */


/* Functions to access the contents of a bitmap, given an id.  */

int
x_bitmap_height (f, id)
     FRAME_PTR f;
     int id;
{
326
  return FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].height;
Geoff Voelker's avatar
Geoff Voelker committed
327 328 329 330 331 332 333
}

int
x_bitmap_width (f, id)
     FRAME_PTR f;
     int id;
{
334
  return FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].width;
Geoff Voelker's avatar
Geoff Voelker committed
335 336 337 338 339 340 341
}

int
x_bitmap_pixmap (f, id)
     FRAME_PTR f;
     int id;
{
342
  return (int) FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].pixmap;
Geoff Voelker's avatar
Geoff Voelker committed
343 344 345 346 347 348 349 350 351
}


/* Allocate a new bitmap record.  Returns index of new record.  */

static int
x_allocate_bitmap_record (f)
     FRAME_PTR f;
{
352
  struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
Geoff Voelker's avatar
Geoff Voelker committed
353 354 355 356 357 358
  int i;

  if (dpyinfo->bitmaps == NULL)
    {
      dpyinfo->bitmaps_size = 10;
      dpyinfo->bitmaps
359
	= (struct w32_bitmap_record *) xmalloc (dpyinfo->bitmaps_size * sizeof (struct w32_bitmap_record));
Geoff Voelker's avatar
Geoff Voelker committed
360 361 362 363 364 365 366 367 368 369 370 371 372
      dpyinfo->bitmaps_last = 1;
      return 1;
    }

  if (dpyinfo->bitmaps_last < dpyinfo->bitmaps_size)
    return ++dpyinfo->bitmaps_last;

  for (i = 0; i < dpyinfo->bitmaps_size; ++i)
    if (dpyinfo->bitmaps[i].refcount == 0)
      return i + 1;

  dpyinfo->bitmaps_size *= 2;
  dpyinfo->bitmaps
373 374
    = (struct w32_bitmap_record *) xrealloc (dpyinfo->bitmaps,
					   dpyinfo->bitmaps_size * sizeof (struct w32_bitmap_record));
Geoff Voelker's avatar
Geoff Voelker committed
375 376 377 378 379 380 381 382 383 384
  return ++dpyinfo->bitmaps_last;
}

/* Add one reference to the reference count of the bitmap with id ID.  */

void
x_reference_bitmap (f, id)
     FRAME_PTR f;
     int id;
{
385
  ++FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].refcount;
Geoff Voelker's avatar
Geoff Voelker committed
386 387 388 389 390 391 392 393 394 395
}

/* Create a bitmap for frame F from a HEIGHT x WIDTH array of bits at BITS.  */

int
x_create_bitmap_from_data (f, bits, width, height)
     struct frame *f;
     char *bits;
     unsigned int width, height;
{
396
  struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
Geoff Voelker's avatar
Geoff Voelker committed
397 398 399 400
  Pixmap bitmap;
  int id;

  bitmap = CreateBitmap (width, height,
401 402
			 FRAME_W32_DISPLAY_INFO (XFRAME (frame))->n_planes,
			 FRAME_W32_DISPLAY_INFO (XFRAME (frame))->n_cbits,
Geoff Voelker's avatar
Geoff Voelker committed
403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428
			 bits);

  if (! bitmap)
    return -1;

  id = x_allocate_bitmap_record (f);
  dpyinfo->bitmaps[id - 1].pixmap = bitmap;
  dpyinfo->bitmaps[id - 1].file = NULL;
  dpyinfo->bitmaps[id - 1].hinst = NULL;
  dpyinfo->bitmaps[id - 1].refcount = 1;
  dpyinfo->bitmaps[id - 1].depth = 1;
  dpyinfo->bitmaps[id - 1].height = height;
  dpyinfo->bitmaps[id - 1].width = width;

  return id;
}

/* Create bitmap from file FILE for frame F.  */

int
x_create_bitmap_from_file (f, file)
     struct frame *f;
     Lisp_Object file;
{
  return -1;
#if 0
429
  struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
Geoff Voelker's avatar
Geoff Voelker committed
430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453
  unsigned int width, height;
  Pixmap bitmap;
  int xhot, yhot, result, id;
  Lisp_Object found;
  int fd;
  char *filename;
  HINSTANCE hinst;

  /* Look for an existing bitmap with the same name.  */
  for (id = 0; id < dpyinfo->bitmaps_last; ++id)
    {
      if (dpyinfo->bitmaps[id].refcount
	  && dpyinfo->bitmaps[id].file
	  && !strcmp (dpyinfo->bitmaps[id].file, (char *) XSTRING (file)->data))
	{
	  ++dpyinfo->bitmaps[id].refcount;
	  return id + 1;
	}
    }

  /* Search bitmap-file-path for the file, if appropriate.  */
  fd = openp (Vx_bitmap_file_path, file, "", &found, 0);
  if (fd < 0)
    return -1;
454 455 456
  /* LoadLibraryEx won't handle special files handled by Emacs handler.  */
  if (fd == 0)
    return -1;
Geoff Voelker's avatar
Geoff Voelker committed
457 458 459 460 461 462 463 464 465 466
  close (fd);

  filename = (char *) XSTRING (found)->data;

  hinst = LoadLibraryEx (filename, NULL, LOAD_LIBRARY_AS_DATAFILE);

  if (hinst == NULL)
      return -1;

  
467
  result = XReadBitmapFile (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
Geoff Voelker's avatar
Geoff Voelker committed
468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491
			    filename, &width, &height, &bitmap, &xhot, &yhot);
  if (result != BitmapSuccess)
    return -1;

  id = x_allocate_bitmap_record (f);
  dpyinfo->bitmaps[id - 1].pixmap = bitmap;
  dpyinfo->bitmaps[id - 1].refcount = 1;
  dpyinfo->bitmaps[id - 1].file = (char *) xmalloc (XSTRING (file)->size + 1);
  dpyinfo->bitmaps[id - 1].depth = 1;
  dpyinfo->bitmaps[id - 1].height = height;
  dpyinfo->bitmaps[id - 1].width = width;
  strcpy (dpyinfo->bitmaps[id - 1].file, XSTRING (file)->data);

  return id;
#endif
}

/* Remove reference to bitmap with id number ID.  */

int
x_destroy_bitmap (f, id)
     FRAME_PTR f;
     int id;
{
492
  struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
Geoff Voelker's avatar
Geoff Voelker committed
493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514

  if (id > 0)
    {
      --dpyinfo->bitmaps[id - 1].refcount;
      if (dpyinfo->bitmaps[id - 1].refcount == 0)
	{
	  BLOCK_INPUT;
	  DeleteObject (dpyinfo->bitmaps[id - 1].pixmap);
	  if (dpyinfo->bitmaps[id - 1].file)
	    {
	      free (dpyinfo->bitmaps[id - 1].file);
	      dpyinfo->bitmaps[id - 1].file = NULL;
	    }
	  UNBLOCK_INPUT;
	}
    }
}

/* Free all the bitmaps for the display specified by DPYINFO.  */

static void
x_destroy_all_bitmaps (dpyinfo)
515
     struct w32_display_info *dpyinfo;
Geoff Voelker's avatar
Geoff Voelker committed
516 517 518 519 520 521 522 523 524 525 526 527
{
  int i;
  for (i = 0; i < dpyinfo->bitmaps_last; i++)
    if (dpyinfo->bitmaps[i].refcount > 0)
      {
	DeleteObject (dpyinfo->bitmaps[i].pixmap);
	if (dpyinfo->bitmaps[i].file)
	  free (dpyinfo->bitmaps[i].file);
      }
  dpyinfo->bitmaps_last = 0;
}

528
/* Connect the frame-parameter names for W32 frames
Geoff Voelker's avatar
Geoff Voelker committed
529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578
   to the ways of passing the parameter values to the window system.

   The name of a parameter, as a Lisp symbol,
   has an `x-frame-parameter' property which is an integer in Lisp
   but can be interpreted as an `enum x_frame_parm' in C.  */

enum x_frame_parm
{
  X_PARM_FOREGROUND_COLOR,
  X_PARM_BACKGROUND_COLOR,
  X_PARM_MOUSE_COLOR,
  X_PARM_CURSOR_COLOR,
  X_PARM_BORDER_COLOR,
  X_PARM_ICON_TYPE,
  X_PARM_FONT,
  X_PARM_BORDER_WIDTH,
  X_PARM_INTERNAL_BORDER_WIDTH,
  X_PARM_NAME,
  X_PARM_AUTORAISE,
  X_PARM_AUTOLOWER,
  X_PARM_VERT_SCROLL_BAR,
  X_PARM_VISIBILITY,
  X_PARM_MENU_BAR_LINES
};


struct x_frame_parm_table
{
  char *name;
  void (*setter)( /* struct frame *frame, Lisp_Object val, oldval */ );
};

void x_set_foreground_color ();
void x_set_background_color ();
void x_set_mouse_color ();
void x_set_cursor_color ();
void x_set_border_color ();
void x_set_cursor_type ();
void x_set_icon_type ();
void x_set_icon_name ();
void x_set_font ();
void x_set_border_width ();
void x_set_internal_border_width ();
void x_explicitly_set_name ();
void x_set_autoraise ();
void x_set_autolower ();
void x_set_vertical_scroll_bars ();
void x_set_visibility ();
void x_set_menu_bar_lines ();
void x_set_scroll_bar_width ();
Geoff Voelker's avatar
Geoff Voelker committed
579
void x_set_title ();
Geoff Voelker's avatar
Geoff Voelker committed
580 581 582 583
void x_set_unsplittable ();

static struct x_frame_parm_table x_frame_parms[] =
{
Geoff Voelker's avatar
Geoff Voelker committed
584 585
  "auto-raise", x_set_autoraise,
  "auto-lower", x_set_autolower,
Geoff Voelker's avatar
Geoff Voelker committed
586 587
  "background-color", x_set_background_color,
  "border-color", x_set_border_color,
Geoff Voelker's avatar
Geoff Voelker committed
588 589
  "border-width", x_set_border_width,
  "cursor-color", x_set_cursor_color,
Geoff Voelker's avatar
Geoff Voelker committed
590 591
  "cursor-type", x_set_cursor_type,
  "font", x_set_font,
Geoff Voelker's avatar
Geoff Voelker committed
592 593 594
  "foreground-color", x_set_foreground_color,
  "icon-name", x_set_icon_name,
  "icon-type", x_set_icon_type,
Geoff Voelker's avatar
Geoff Voelker committed
595 596
  "internal-border-width", x_set_internal_border_width,
  "menu-bar-lines", x_set_menu_bar_lines,
Geoff Voelker's avatar
Geoff Voelker committed
597 598
  "mouse-color", x_set_mouse_color,
  "name", x_explicitly_set_name,
Geoff Voelker's avatar
Geoff Voelker committed
599
  "scroll-bar-width", x_set_scroll_bar_width,
Geoff Voelker's avatar
Geoff Voelker committed
600
  "title", x_set_title,
Geoff Voelker's avatar
Geoff Voelker committed
601
  "unsplittable", x_set_unsplittable,
Geoff Voelker's avatar
Geoff Voelker committed
602 603
  "vertical-scroll-bars", x_set_vertical_scroll_bars,
  "visibility", x_set_visibility,
Geoff Voelker's avatar
Geoff Voelker committed
604 605 606
};

/* Attach the `x-frame-parameter' properties to
607
   the Lisp symbol names of parameters relevant to W32.  */
Geoff Voelker's avatar
Geoff Voelker committed
608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631

init_x_parm_symbols ()
{
  int i;

  for (i = 0; i < sizeof (x_frame_parms) / sizeof (x_frame_parms[0]); i++)
    Fput (intern (x_frame_parms[i].name), Qx_frame_parameter,
	  make_number (i));
}

/* Change the parameters of FRAME as specified by ALIST.
   If a parameter is not specially recognized, do nothing;
   otherwise call the `x_set_...' function for that parameter.  */

void
x_set_frame_parameters (f, alist)
     FRAME_PTR f;
     Lisp_Object alist;
{
  Lisp_Object tail;

  /* If both of these parameters are present, it's more efficient to
     set them both at once.  So we wait until we've looked at the
     entire list before we set them.  */
632
  int width, height;
Geoff Voelker's avatar
Geoff Voelker committed
633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666

  /* Same here.  */
  Lisp_Object left, top;

  /* Same with these.  */
  Lisp_Object icon_left, icon_top;

  /* Record in these vectors all the parms specified.  */
  Lisp_Object *parms;
  Lisp_Object *values;
  int i;
  int left_no_change = 0, top_no_change = 0;
  int icon_left_no_change = 0, icon_top_no_change = 0;

  i = 0;
  for (tail = alist; CONSP (tail); tail = Fcdr (tail))
    i++;

  parms = (Lisp_Object *) alloca (i * sizeof (Lisp_Object));
  values = (Lisp_Object *) alloca (i * sizeof (Lisp_Object));

  /* Extract parm names and values into those vectors.  */

  i = 0;
  for (tail = alist; CONSP (tail); tail = Fcdr (tail))
    {
      Lisp_Object elt, prop, val;

      elt = Fcar (tail);
      parms[i] = Fcar (elt);
      values[i] = Fcdr (elt);
      i++;
    }

667
  top = left = Qunbound;
Geoff Voelker's avatar
Geoff Voelker committed
668 669
  icon_left = icon_top = Qunbound;

670 671 672 673
  /* Provide default values for HEIGHT and WIDTH.  */
  width = FRAME_WIDTH (f);
  height = FRAME_HEIGHT (f);

Geoff Voelker's avatar
Geoff Voelker committed
674 675 676 677 678 679 680 681
  /* Now process them in reverse of specified order.  */
  for (i--; i >= 0; i--)
    {
      Lisp_Object prop, val;

      prop = parms[i];
      val = values[i];

682 683 684 685
      if (EQ (prop, Qwidth) && NUMBERP (val))
	width = XFASTINT (val);
      else if (EQ (prop, Qheight) && NUMBERP (val))
	height = XFASTINT (val);
Geoff Voelker's avatar
Geoff Voelker committed
686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703
      else if (EQ (prop, Qtop))
	top = val;
      else if (EQ (prop, Qleft))
	left = val;
      else if (EQ (prop, Qicon_top))
	icon_top = val;
      else if (EQ (prop, Qicon_left))
	icon_left = val;
      else
	{
	  register Lisp_Object param_index, old_value;

	  param_index = Fget (prop, Qx_frame_parameter);
	  old_value = get_frame_param (f, prop);
	  store_frame_param (f, prop, val);
 	  if (NATNUMP (param_index)
	      && (XFASTINT (param_index)
		  < sizeof (x_frame_parms)/sizeof (x_frame_parms[0])))
704
	    (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value);
Geoff Voelker's avatar
Geoff Voelker committed
705 706 707 708 709 710 711
	}
    }

  /* Don't die if just one of these was set.  */
  if (EQ (left, Qunbound))
    {
      left_no_change = 1;
712 713
      if (f->output_data.w32->left_pos < 0)
	left = Fcons (Qplus, Fcons (make_number (f->output_data.w32->left_pos), Qnil));
Geoff Voelker's avatar
Geoff Voelker committed
714
      else
715
	XSETINT (left, f->output_data.w32->left_pos);
Geoff Voelker's avatar
Geoff Voelker committed
716 717 718 719
    }
  if (EQ (top, Qunbound))
    {
      top_no_change = 1;
720 721
      if (f->output_data.w32->top_pos < 0)
	top = Fcons (Qplus, Fcons (make_number (f->output_data.w32->top_pos), Qnil));
Geoff Voelker's avatar
Geoff Voelker committed
722
      else
723
	XSETINT (top, f->output_data.w32->top_pos);
Geoff Voelker's avatar
Geoff Voelker committed
724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756
    }

  /* If one of the icon positions was not set, preserve or default it.  */
  if (EQ (icon_left, Qunbound) || ! INTEGERP (icon_left))
    {
      icon_left_no_change = 1;
      icon_left = Fcdr (Fassq (Qicon_left, f->param_alist));
      if (NILP (icon_left))
	XSETINT (icon_left, 0);
    }
  if (EQ (icon_top, Qunbound) || ! INTEGERP (icon_top))
    {
      icon_top_no_change = 1;
      icon_top = Fcdr (Fassq (Qicon_top, f->param_alist));
      if (NILP (icon_top))
	XSETINT (icon_top, 0);
    }

  /* Don't set these parameters unless they've been explicitly
     specified.  The window might be mapped or resized while we're in
     this function, and we don't want to override that unless the lisp
     code has asked for it.

     Don't set these parameters unless they actually differ from the
     window's current parameters; the window may not actually exist
     yet.  */
  {
    Lisp_Object frame;

    check_frame_size (f, &height, &width);

    XSETFRAME (frame, f);

757 758 759
    if (XINT (width) != FRAME_WIDTH (f)
	|| XINT (height) != FRAME_HEIGHT (f))
      Fset_frame_size (frame, make_number (width), make_number (height));
Geoff Voelker's avatar
Geoff Voelker committed
760 761 762

    if ((!NILP (left) || !NILP (top))
	&& ! (left_no_change && top_no_change)
763 764
	&& ! (NUMBERP (left) && XINT (left) == f->output_data.w32->left_pos
	      && NUMBERP (top) && XINT (top) == f->output_data.w32->top_pos))
Geoff Voelker's avatar
Geoff Voelker committed
765 766 767 768 769
      {
	int leftpos = 0;
	int toppos = 0;

	/* Record the signs.  */
770
	f->output_data.w32->size_hint_flags &= ~ (XNegative | YNegative);
Geoff Voelker's avatar
Geoff Voelker committed
771
	if (EQ (left, Qminus))
772
	  f->output_data.w32->size_hint_flags |= XNegative;
Geoff Voelker's avatar
Geoff Voelker committed
773 774 775 776
	else if (INTEGERP (left))
	  {
	    leftpos = XINT (left);
	    if (leftpos < 0)
777
	      f->output_data.w32->size_hint_flags |= XNegative;
Geoff Voelker's avatar
Geoff Voelker committed
778 779 780 781 782 783
	  }
	else if (CONSP (left) && EQ (XCONS (left)->car, Qminus)
		 && CONSP (XCONS (left)->cdr)
		 && INTEGERP (XCONS (XCONS (left)->cdr)->car))
	  {
	    leftpos = - XINT (XCONS (XCONS (left)->cdr)->car);
784
	    f->output_data.w32->size_hint_flags |= XNegative;
Geoff Voelker's avatar
Geoff Voelker committed
785 786 787 788 789 790 791 792 793
	  }
	else if (CONSP (left) && EQ (XCONS (left)->car, Qplus)
		 && CONSP (XCONS (left)->cdr)
		 && INTEGERP (XCONS (XCONS (left)->cdr)->car))
	  {
	    leftpos = XINT (XCONS (XCONS (left)->cdr)->car);
	  }

	if (EQ (top, Qminus))
794
	  f->output_data.w32->size_hint_flags |= YNegative;
Geoff Voelker's avatar
Geoff Voelker committed
795 796 797 798
	else if (INTEGERP (top))
	  {
	    toppos = XINT (top);
	    if (toppos < 0)
799
	      f->output_data.w32->size_hint_flags |= YNegative;
Geoff Voelker's avatar
Geoff Voelker committed
800 801 802 803 804 805
	  }
	else if (CONSP (top) && EQ (XCONS (top)->car, Qminus)
		 && CONSP (XCONS (top)->cdr)
		 && INTEGERP (XCONS (XCONS (top)->cdr)->car))
	  {
	    toppos = - XINT (XCONS (XCONS (top)->cdr)->car);
806
	    f->output_data.w32->size_hint_flags |= YNegative;
Geoff Voelker's avatar
Geoff Voelker committed
807 808 809 810 811 812 813 814 815 816
	  }
	else if (CONSP (top) && EQ (XCONS (top)->car, Qplus)
		 && CONSP (XCONS (top)->cdr)
		 && INTEGERP (XCONS (XCONS (top)->cdr)->car))
	  {
	    toppos = XINT (XCONS (XCONS (top)->cdr)->car);
	  }


	/* Store the numeric value of the position.  */
817 818
	f->output_data.w32->top_pos = toppos;
	f->output_data.w32->left_pos = leftpos;
Geoff Voelker's avatar
Geoff Voelker committed
819

820
	f->output_data.w32->win_gravity = NorthWestGravity;
Geoff Voelker's avatar
Geoff Voelker committed
821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841

	/* Actually set that position, and convert to absolute.  */
	x_set_offset (f, leftpos, toppos, -1);
      }

    if ((!NILP (icon_left) || !NILP (icon_top))
	&& ! (icon_left_no_change && icon_top_no_change))
      x_wm_set_icon_position (f, XINT (icon_left), XINT (icon_top));
  }
}

/* Store the screen positions of frame F into XPTR and YPTR.
   These are the positions of the containing window manager window,
   not Emacs's own window.  */

void
x_real_positions (f, xptr, yptr)
     FRAME_PTR f;
     int *xptr, *yptr;
{
  POINT pt;
842 843 844

  {
      RECT rect;
Geoff Voelker's avatar
Geoff Voelker committed
845
      
846 847
      GetClientRect(FRAME_W32_WINDOW(f), &rect);
      AdjustWindowRect(&rect, f->output_data.w32->dwStyle, FRAME_EXTERNAL_MENU_BAR(f));
Geoff Voelker's avatar
Geoff Voelker committed
848
      
849 850 851
      pt.x = rect.left;
      pt.y = rect.top;
  }
Geoff Voelker's avatar
Geoff Voelker committed
852

853
  ClientToScreen (FRAME_W32_WINDOW(f), &pt);
Geoff Voelker's avatar
Geoff Voelker committed
854 855 856 857 858 859 860

  *xptr = pt.x;
  *yptr = pt.y;
}

/* Insert a description of internally-recorded parameters of frame X
   into the parameter alist *ALISTPTR that is to be given to the user.
861
   Only parameters that are specific to W32
Geoff Voelker's avatar
Geoff Voelker committed
862 863 864 865 866 867 868 869 870 871 872 873
   and whose values are not correctly recorded in the frame's
   param_alist need to be considered here.  */

x_report_frame_params (f, alistptr)
     struct frame *f;
     Lisp_Object *alistptr;
{
  char buf[16];
  Lisp_Object tem;

  /* Represent negative positions (off the top or left screen edge)
     in a way that Fmodify_frame_parameters will understand correctly.  */
874 875
  XSETINT (tem, f->output_data.w32->left_pos);
  if (f->output_data.w32->left_pos >= 0)
Geoff Voelker's avatar
Geoff Voelker committed
876 877 878 879
    store_in_alist (alistptr, Qleft, tem);
  else
    store_in_alist (alistptr, Qleft, Fcons (Qplus, Fcons (tem, Qnil)));

880 881
  XSETINT (tem, f->output_data.w32->top_pos);
  if (f->output_data.w32->top_pos >= 0)
Geoff Voelker's avatar
Geoff Voelker committed
882 883 884 885 886
    store_in_alist (alistptr, Qtop, tem);
  else
    store_in_alist (alistptr, Qtop, Fcons (Qplus, Fcons (tem, Qnil)));

  store_in_alist (alistptr, Qborder_width,
887
       	   make_number (f->output_data.w32->border_width));
Geoff Voelker's avatar
Geoff Voelker committed
888
  store_in_alist (alistptr, Qinternal_border_width,
889 890
       	   make_number (f->output_data.w32->internal_border_width));
  sprintf (buf, "%ld", (long) FRAME_W32_WINDOW (f));
Geoff Voelker's avatar
Geoff Voelker committed
891 892 893 894 895 896 897 898
  store_in_alist (alistptr, Qwindow_id,
       	   build_string (buf));
  store_in_alist (alistptr, Qicon_name, f->icon_name);
  FRAME_SAMPLE_VISIBILITY (f);
  store_in_alist (alistptr, Qvisibility,
		  (FRAME_VISIBLE_P (f) ? Qt
		   : FRAME_ICONIFIED_P (f) ? Qicon : Qnil));
  store_in_alist (alistptr, Qdisplay,
899
		  XCONS (FRAME_W32_DISPLAY_INFO (f)->name_list_element)->car);
Geoff Voelker's avatar
Geoff Voelker committed
900 901 902
}


903
DEFUN ("w32-define-rgb-color", Fw32_define_rgb_color, Sw32_define_rgb_color, 4, 4, 0,
904
  "Convert RGB numbers to a windows color reference and associate with NAME (a string).\n\
905
This adds or updates a named color to w32-color-map, making it available for use.\n\
906 907 908
The original entry's RGB ref is returned, or nil if the entry is new.")
    (red, green, blue, name)
    Lisp_Object red, green, blue, name;
Geoff Voelker's avatar
Geoff Voelker committed
909
{
910 911 912 913 914 915 916 917
  Lisp_Object rgb;
  Lisp_Object oldrgb = Qnil;
  Lisp_Object entry;

  CHECK_NUMBER (red, 0);
  CHECK_NUMBER (green, 0);
  CHECK_NUMBER (blue, 0);
  CHECK_STRING (name, 0);
Geoff Voelker's avatar
Geoff Voelker committed
918

919
  XSET (rgb, Lisp_Int, RGB(XUINT (red), XUINT (green), XUINT (blue)));
Geoff Voelker's avatar
Geoff Voelker committed
920

921
  BLOCK_INPUT;
Geoff Voelker's avatar
Geoff Voelker committed
922

923 924
  /* replace existing entry in w32-color-map or add new entry. */
  entry = Fassoc (name, Vw32_color_map);
925 926 927
  if (NILP (entry))
    {
      entry = Fcons (name, rgb);
928
      Vw32_color_map = Fcons (entry, Vw32_color_map);
929 930 931 932 933 934 935 936 937 938
    }
  else
    {
      oldrgb = Fcdr (entry);
      Fsetcdr (entry, rgb);
    }

  UNBLOCK_INPUT;

  return (oldrgb);
Geoff Voelker's avatar
Geoff Voelker committed
939 940
}

941
DEFUN ("w32-load-color-file", Fw32_load_color_file, Sw32_load_color_file, 1, 1, 0,
942
  "Create an alist of color entries from an external file (ie. rgb.txt).\n\
943
Assign this value to w32-color-map to replace the existing color map.\n\
944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985
\
The file should define one named RGB color per line like so:\
  R G B   name\n\
where R,G,B are numbers between 0 and 255 and name is an arbitrary string.")
    (filename)
    Lisp_Object filename;
{
  FILE *fp;
  Lisp_Object cmap = Qnil;
  Lisp_Object abspath;

  CHECK_STRING (filename, 0);
  abspath = Fexpand_file_name (filename, Qnil);

  fp = fopen (XSTRING (filename)->data, "rt");
  if (fp)
    {
      char buf[512];
      int red, green, blue;
      int num;

      BLOCK_INPUT;

      while (fgets (buf, sizeof (buf), fp) != NULL) {
	if (sscanf (buf, "%u %u %u %n", &red, &green, &blue, &num) == 3)
	  {
	    char *name = buf + num;
	    num = strlen (name) - 1;
	    if (name[num] == '\n')
	      name[num] = 0;
	    cmap = Fcons (Fcons (build_string (name),
				 make_number (RGB (red, green, blue))),
			  cmap);
	  }
      }
      fclose (fp);

      UNBLOCK_INPUT;
    }

  return cmap;
}
Geoff Voelker's avatar
Geoff Voelker committed
986

987
/* The default colors for the w32 color map */
Geoff Voelker's avatar
Geoff Voelker committed
988 989 990 991 992 993
typedef struct colormap_t 
{
  char *name;
  COLORREF colorref;
} colormap_t;

994
colormap_t w32_color_map[] = 
Geoff Voelker's avatar
Geoff Voelker committed
995
{
996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235
  {"snow"                      , PALETTERGB (255,250,250)},
  {"ghost white"               , PALETTERGB (248,248,255)},
  {"GhostWhite"                , PALETTERGB (248,248,255)},
  {"white smoke"               , PALETTERGB (245,245,245)},
  {"WhiteSmoke"                , PALETTERGB (245,245,245)},
  {"gainsboro"                 , PALETTERGB (220,220,220)},
  {"floral white"              , PALETTERGB (255,250,240)},
  {"FloralWhite"               , PALETTERGB (255,250,240)},
  {"old lace"                  , PALETTERGB (253,245,230)},
  {"OldLace"                   , PALETTERGB (253,245,230)},
  {"linen"                     , PALETTERGB (250,240,230)},
  {"antique white"             , PALETTERGB (250,235,215)},
  {"AntiqueWhite"              , PALETTERGB (250,235,215)},
  {"papaya whip"               , PALETTERGB (255,239,213)},
  {"PapayaWhip"                , PALETTERGB (255,239,213)},
  {"blanched almond"           , PALETTERGB (255,235,205)},
  {"BlanchedAlmond"            , PALETTERGB (255,235,205)},
  {"bisque"                    , PALETTERGB (255,228,196)},
  {"peach puff"                , PALETTERGB (255,218,185)},
  {"PeachPuff"                 , PALETTERGB (255,218,185)},
  {"navajo white"              , PALETTERGB (255,222,173)},
  {"NavajoWhite"               , PALETTERGB (255,222,173)},
  {"moccasin"                  , PALETTERGB (255,228,181)},
  {"cornsilk"                  , PALETTERGB (255,248,220)},
  {"ivory"                     , PALETTERGB (255,255,240)},
  {"lemon chiffon"             , PALETTERGB (255,250,205)},
  {"LemonChiffon"              , PALETTERGB (255,250,205)},
  {"seashell"                  , PALETTERGB (255,245,238)},
  {"honeydew"                  , PALETTERGB (240,255,240)},
  {"mint cream"                , PALETTERGB (245,255,250)},
  {"MintCream"                 , PALETTERGB (245,255,250)},
  {"azure"                     , PALETTERGB (240,255,255)},
  {"alice blue"                , PALETTERGB (240,248,255)},
  {"AliceBlue"                 , PALETTERGB (240,248,255)},
  {"lavender"                  , PALETTERGB (230,230,250)},
  {"lavender blush"            , PALETTERGB (255,240,245)},
  {"LavenderBlush"             , PALETTERGB (255,240,245)},
  {"misty rose"                , PALETTERGB (255,228,225)},
  {"MistyRose"                 , PALETTERGB (255,228,225)},
  {"white"                     , PALETTERGB (255,255,255)},
  {"black"                     , PALETTERGB (  0,  0,  0)},
  {"dark slate gray"           , PALETTERGB ( 47, 79, 79)},
  {"DarkSlateGray"             , PALETTERGB ( 47, 79, 79)},
  {"dark slate grey"           , PALETTERGB ( 47, 79, 79)},
  {"DarkSlateGrey"             , PALETTERGB ( 47, 79, 79)},
  {"dim gray"                  , PALETTERGB (105,105,105)},
  {"DimGray"                   , PALETTERGB (105,105,105)},
  {"dim grey"                  , PALETTERGB (105,105,105)},
  {"DimGrey"                   , PALETTERGB (105,105,105)},
  {"slate gray"                , PALETTERGB (112,128,144)},
  {"SlateGray"                 , PALETTERGB (112,128,144)},
  {"slate grey"                , PALETTERGB (112,128,144)},
  {"SlateGrey"                 , PALETTERGB (112,128,144)},
  {"light slate gray"          , PALETTERGB (119,136,153)},
  {"LightSlateGray"            , PALETTERGB (119,136,153)},
  {"light slate grey"          , PALETTERGB (119,136,153)},
  {"LightSlateGrey"            , PALETTERGB (119,136,153)},
  {"gray"                      , PALETTERGB (190,190,190)},
  {"grey"                      , PALETTERGB (190,190,190)},
  {"light grey"                , PALETTERGB (211,211,211)},
  {"LightGrey"                 , PALETTERGB (211,211,211)},
  {"light gray"                , PALETTERGB (211,211,211)},
  {"LightGray"                 , PALETTERGB (211,211,211)},
  {"midnight blue"             , PALETTERGB ( 25, 25,112)},
  {"MidnightBlue"              , PALETTERGB ( 25, 25,112)},
  {"navy"                      , PALETTERGB (  0,  0,128)},
  {"navy blue"                 , PALETTERGB (  0,  0,128)},
  {"NavyBlue"                  , PALETTERGB (  0,  0,128)},
  {"cornflower blue"           , PALETTERGB (100,149,237)},
  {"CornflowerBlue"            , PALETTERGB (100,149,237)},
  {"dark slate blue"           , PALETTERGB ( 72, 61,139)},
  {"DarkSlateBlue"             , PALETTERGB ( 72, 61,139)},
  {"slate blue"                , PALETTERGB (106, 90,205)},
  {"SlateBlue"                 , PALETTERGB (106, 90,205)},
  {"medium slate blue"         , PALETTERGB (123,104,238)},
  {"MediumSlateBlue"           , PALETTERGB (123,104,238)},
  {"light slate blue"          , PALETTERGB (132,112,255)},
  {"LightSlateBlue"            , PALETTERGB (132,112,255)},
  {"medium blue"               , PALETTERGB (  0,  0,205)},
  {"MediumBlue"                , PALETTERGB (  0,  0,205)},
  {"royal blue"                , PALETTERGB ( 65,105,225)},
  {"RoyalBlue"                 , PALETTERGB ( 65,105,225)},
  {"blue"                      , PALETTERGB (  0,  0,255)},
  {"dodger blue"               , PALETTERGB ( 30,144,255)},
  {"DodgerBlue"                , PALETTERGB ( 30,144,255)},
  {"deep sky blue"             , PALETTERGB (  0,191,255)},
  {"DeepSkyBlue"               , PALETTERGB (  0,191,255)},
  {"sky blue"                  , PALETTERGB (135,206,235)},
  {"SkyBlue"                   , PALETTERGB (135,206,235)},
  {"light sky blue"            , PALETTERGB (135,206,250)},
  {"LightSkyBlue"              , PALETTERGB (135,206,250)},
  {"steel blue"                , PALETTERGB ( 70,130,180)},
  {"SteelBlue"                 , PALETTERGB ( 70,130,180)},
  {"light steel blue"          , PALETTERGB (176,196,222)},
  {"LightSteelBlue"            , PALETTERGB (176,196,222)},
  {"light blue"                , PALETTERGB (173,216,230)},
  {"LightBlue"                 , PALETTERGB (173,216,230)},
  {"powder blue"               , PALETTERGB (176,224,230)},
  {"PowderBlue"                , PALETTERGB (176,224,230)},
  {"pale turquoise"            , PALETTERGB (175,238,238)},
  {"PaleTurquoise"             , PALETTERGB (175,238,238)},
  {"dark turquoise"            , PALETTERGB (  0,206,209)},
  {"DarkTurquoise"             , PALETTERGB (  0,206,209)},
  {"medium turquoise"          , PALETTERGB ( 72,209,204)},
  {"MediumTurquoise"           , PALETTERGB ( 72,209,204)},
  {"turquoise"                 , PALETTERGB ( 64,224,208)},
  {"cyan"                      , PALETTERGB (  0,255,255)},
  {"light cyan"                , PALETTERGB (224,255,255)},
  {"LightCyan"                 , PALETTERGB (224,255,255)},
  {"cadet blue"                , PALETTERGB ( 95,158,160)},
  {"CadetBlue"                 , PALETTERGB ( 95,158,160)},
  {"medium aquamarine"         , PALETTERGB (102,205,170)},
  {"MediumAquamarine"          , PALETTERGB (102,205,170)},
  {"aquamarine"                , PALETTERGB (127,255,212)},
  {"dark green"                , PALETTERGB (  0,100,  0)},
  {"DarkGreen"                 , PALETTERGB (  0,100,  0)},
  {"dark olive green"          , PALETTERGB ( 85,107, 47)},
  {"DarkOliveGreen"            , PALETTERGB ( 85,107, 47)},
  {"dark sea green"            , PALETTERGB (143,188,143)},
  {"DarkSeaGreen"              , PALETTERGB (143,188,143)},
  {"sea green"                 , PALETTERGB ( 46,139, 87)},
  {"SeaGreen"                  , PALETTERGB ( 46,139, 87)},
  {"medium sea green"          , PALETTERGB ( 60,179,113)},
  {"MediumSeaGreen"            , PALETTERGB ( 60,179,113)},
  {"light sea green"           , PALETTERGB ( 32,178,170)},
  {"LightSeaGreen"             , PALETTERGB ( 32,178,170)},
  {"pale green"                , PALETTERGB (152,251,152)},
  {"PaleGreen"                 , PALETTERGB (152,251,152)},
  {"spring green"              , PALETTERGB (  0,255,127)},
  {"SpringGreen"               , PALETTERGB (  0,255,127)},
  {"lawn green"                , PALETTERGB (124,252,  0)},
  {"LawnGreen"                 , PALETTERGB (124,252,  0)},
  {"green"                     , PALETTERGB (  0,255,  0)},
  {"chartreuse"                , PALETTERGB (127,255,  0)},
  {"medium spring green"       , PALETTERGB (  0,250,154)},
  {"MediumSpringGreen"         , PALETTERGB (  0,250,154)},
  {"green yellow"              , PALETTERGB (173,255, 47)},
  {"GreenYellow"               , PALETTERGB (173,255, 47)},
  {"lime green"                , PALETTERGB ( 50,205, 50)},
  {"LimeGreen"                 , PALETTERGB ( 50,205, 50)},
  {"yellow green"              , PALETTERGB (154,205, 50)},
  {"YellowGreen"               , PALETTERGB (154,205, 50)},
  {"forest green"              , PALETTERGB ( 34,139, 34)},
  {"ForestGreen"               , PALETTERGB ( 34,139, 34)},
  {"olive drab"                , PALETTERGB (107,142, 35)},
  {"OliveDrab"                 , PALETTERGB (107,142, 35)},
  {"dark khaki"                , PALETTERGB (189,183,107)},
  {"DarkKhaki"                 , PALETTERGB (189,183,107)},
  {"khaki"                     , PALETTERGB (240,230,140)},
  {"pale goldenrod"            , PALETTERGB (238,232,170)},
  {"PaleGoldenrod"             , PALETTERGB (238,232,170)},
  {"light goldenrod yellow"    , PALETTERGB (250,250,210)},
  {"LightGoldenrodYellow"      , PALETTERGB (250,250,210)},
  {"light yellow"              , PALETTERGB (255,255,224)},
  {"LightYellow"               , PALETTERGB (255,255,224)},
  {"yellow"                    , PALETTERGB (255,255,  0)},
  {"gold"                      , PALETTERGB (255,215,  0)},
  {"light goldenrod"           , PALETTERGB (238,221,130)},
  {"LightGoldenrod"            , PALETTERGB (238,221,130)},
  {"goldenrod"                 , PALETTERGB (218,165, 32)},
  {"dark goldenrod"            , PALETTERGB (184,134, 11)},
  {"DarkGoldenrod"             , PALETTERGB (184,134, 11)},
  {"rosy brown"                , PALETTERGB (188,143,143)},
  {"RosyBrown"                 , PALETTERGB (188,143,143)},
  {"indian red"                , PALETTERGB (205, 92, 92)},
  {"IndianRed"                 , PALETTERGB (205, 92, 92)},
  {"saddle brown"              , PALETTERGB (139, 69, 19)},
  {"SaddleBrown"               , PALETTERGB (139, 69, 19)},
  {"sienna"                    , PALETTERGB (160, 82, 45)},
  {"peru"                      , PALETTERGB (205,133, 63)},
  {"burlywood"                 , PALETTERGB (222,184,135)},
  {"beige"                     , PALETTERGB (245,245,220)},
  {"wheat"                     , PALETTERGB (245,222,179)},
  {"sandy brown"               , PALETTERGB (244,164, 96)},
  {"SandyBrown"                , PALETTERGB (244,164, 96)},
  {"tan"                       , PALETTERGB (210,180,140)},
  {"chocolate"                 , PALETTERGB (210,105, 30)},
  {"firebrick"                 , PALETTERGB (178,34, 34)},
  {"brown"                     , PALETTERGB (165,42, 42)},
  {"dark salmon"               , PALETTERGB (233,150,122)},
  {"DarkSalmon"                , PALETTERGB (233,150,122)},
  {"salmon"                    , PALETTERGB (250,128,114)},
  {"light salmon"              , PALETTERGB (255,160,122)},
  {"LightSalmon"               , PALETTERGB (255,160,122)},
  {"orange"                    , PALETTERGB (255,165,  0)},
  {"dark orange"               , PALETTERGB (255,140,  0)},
  {"DarkOrange"                , PALETTERGB (255,140,  0)},
  {"coral"                     , PALETTERGB (255,127, 80)},
  {"light coral"               , PALETTERGB (240,128,128)},
  {"LightCoral"                , PALETTERGB (240,128,128)},
  {"tomato"                    , PALETTERGB (255, 99, 71)},
  {"orange red"                , PALETTERGB (255, 69,  0)},
  {"OrangeRed"                 , PALETTERGB (255, 69,  0)},
  {"red"                       , PALETTERGB (255,  0,  0)},
  {"hot pink"                  , PALETTERGB (255,105,180)},
  {"HotPink"                   , PALETTERGB (255,105,180)},
  {"deep pink"                 , PALETTERGB (255, 20,147)},
  {"DeepPink"                  , PALETTERGB (255, 20,147)},
  {"pink"                      , PALETTERGB (255,192,203)},
  {"light pink"                , PALETTERGB (255,182,193)},
  {"LightPink"                 , PALETTERGB (255,182,193)},
  {"pale violet red"           , PALETTERGB (219,112,147)},
  {"PaleVioletRed"             , PALETTERGB (219,112,147)},
  {"maroon"                    , PALETTERGB (176, 48, 96)},
  {"medium violet red"         , PALETTERGB (199, 21,133)},
  {"MediumVioletRed"           , PALETTERGB (199, 21,133)},
  {"violet red"                , PALETTERGB (208, 32,144)},
  {"VioletRed"                 , PALETTERGB (208, 32,144)},
  {"magenta"                   , PALETTERGB (255,  0,255)},
  {"violet"                    , PALETTERGB (238,130,238)},
  {"plum"                      , PALETTERGB (221,160,221)},
  {"orchid"                    , PALETTERGB (218,112,214)},
  {"medium orchid"             , PALETTERGB (186, 85,211)},
  {"MediumOrchid"              , PALETTERGB (186, 85,211)},
  {"dark orchid"               , PALETTERGB (153, 50,204)},
  {"DarkOrchid"                , PALETTERGB (153, 50,204)},
  {"dark violet"               , PALETTERGB (148,  0,211)},
  {"DarkViolet"                , PALETTERGB (148,  0,211)},
  {"blue violet"               , PALETTERGB (138, 43,226)},
  {"BlueViolet"                , PALETTERGB (138, 43,226)},
  {"purple"                    , PALETTERGB (160, 32,240)},
  {"medium purple"             , PALETTERGB (147,112,219)},
  {"MediumPurple"              , PALETTERGB (147,112,219)},
  {"thistle"                   , PALETTERGB (216,191,216)},
  {"gray0"                     , PALETTERGB (  0,  0,  0)},
  {"grey0"                     , PALETTERGB (  0,  0,  0)},
  {"dark grey"                 , PALETTERGB (169,169,169)},
  {"DarkGrey"                  , PALETTERGB (169,169,169)},
  {"dark gray"                 , PALETTERGB (169,169,169)},
  {"DarkGray"                  , PALETTERGB (169,169,169)},
  {"dark blue"                 , PALETTERGB (  0,  0,139)},
  {"DarkBlue"                  , PALETTERGB (  0,  0,139)},
  {"dark cyan"                 , PALETTERGB (  0,139,139)},
  {"DarkCyan"                  , PALETTERGB (  0,139,139)},
  {"dark magenta"              , PALETTERGB (139,  0,139)},
  {"DarkMagenta"               , PALETTERGB (139,  0,139)},
  {"dark red"                  , PALETTERGB (139,  0,  0)},
  {"DarkRed"                   , PALETTERGB (139,  0,  0)},
  {"light green"               , PALETTERGB (144,238,144)},
  {"LightGreen"                , PALETTERGB (144,238,144)},
Geoff Voelker's avatar
Geoff Voelker committed
1236 1237
};

1238
DEFUN ("w32-default-color-map", Fw32_default_color_map, Sw32_default_color_map,
Geoff Voelker's avatar
Geoff Voelker committed
1239 1240 1241 1242
       0, 0, 0, "Return the default color map.")
     ()
{
  int i;
1243
  colormap_t *pc = w32_color_map;
Geoff Voelker's avatar
Geoff Voelker committed
1244 1245 1246 1247 1248 1249
  Lisp_Object cmap;
  
  BLOCK_INPUT;
  
  cmap = Qnil;
  
1250
  for (i = 0; i < sizeof (w32_color_map) / sizeof (w32_color_map[0]); 
Geoff Voelker's avatar
Geoff Voelker committed
1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261
       pc++, i++)
    cmap = Fcons (Fcons (build_string (pc->name),
			 make_number (pc->colorref)),
		  cmap);
  
  UNBLOCK_INPUT;
  
  return (cmap);
}

Lisp_Object 
1262
w32_to_x_color (rgb)
Geoff Voelker's avatar
Geoff Voelker committed
1263 1264 1265 1266 1267 1268 1269 1270
     Lisp_Object rgb;
{
  Lisp_Object color;
  
  CHECK_NUMBER (rgb, 0);
  
  BLOCK_INPUT;
  
1271
  color = Frassq (rgb, Vw32_color_map);
Geoff Voelker's avatar
Geoff Voelker committed
1272 1273 1274 1275 1276 1277 1278 1279 1280
  
  UNBLOCK_INPUT;
  
  if (!NILP (color))
    return (Fcar (color));
  else
    return Qnil;
}

1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312
COLORREF
w32_color_map_lookup (colorname)
     char *colorname;
{
  Lisp_Object tail, ret = Qnil;

  BLOCK_INPUT;

  for (tail = Vw32_color_map; !NILP (tail); tail = Fcdr (tail))
    {
      register Lisp_Object elt, tem;

      elt = Fcar (tail);
      if (!CONSP (elt)) continue;

      tem = Fcar (elt);

      if (lstrcmpi (XSTRING (tem)->data, colorname) == 0)
	{
	  ret = XUINT (Fcdr (elt));
	  break;
	}

      QUIT;
    }


  UNBLOCK_INPUT;

  return ret;
}

Geoff Voelker's avatar
Geoff Voelker committed
1313
COLORREF 
1314
x_to_w32_color (colorname)
Geoff Voelker's avatar
Geoff Voelker committed
1315 1316 1317 1318 1319
     char * colorname;
{
  register Lisp_Object tail, ret = Qnil;
  
  BLOCK_INPUT;
Geoff Voelker's avatar
Geoff Voelker committed
1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476

  if (colorname[0] == '#')
    {
      /* Could be an old-style RGB Device specification.  */
      char *color;
      int size;
      color = colorname + 1;
      
      size = strlen(color);
      if (size == 3 || size == 6 || size == 9 || size == 12)
	{
	  UINT colorval;
	  int i, pos;
	  pos = 0;
	  size /= 3;
	  colorval = 0;
	  
	  for (i = 0; i < 3; i++)
	    {
	      char *end;
	      char t;
	      unsigned long value;

	      /* The check for 'x' in the following conditional takes into
		 account the fact that strtol allows a "0x" in front of
		 our numbers, and we don't.  */
	      if (!isxdigit(color[0]) || color[1] == 'x')
		break;
	      t = color[size];
	      color[size] = '\0';
	      value = strtoul(color, &end, 16);
	      color[size] = t;
	      if (errno == ERANGE || end - color != size)
		break;
	      switch (size)
		{
		case 1:
		  value = value * 0x10;
		  break;
		case 2:
		  break;
		case 3:
		  value /= 0x10;
		  break;
		case 4:
		  value /= 0x100;
		  break;
		}
	      colorval |= (value << pos);
	      pos += 0x8;
	      if (i == 2)
		{
		  UNBLOCK_INPUT;
		  return (colorval);
		}
	      color = end;
	    }
	}
    }
  else if (strnicmp(colorname, "rgb:", 4) == 0)
    {
      char *color;
      UINT colorval;
      int i, pos;
      pos = 0;

      colorval = 0;
      color = colorname + 4;
      for (i = 0; i < 3; i++)
	{
	  char *end;
	  unsigned long value;
	  
	  /* The check for 'x' in the following conditional takes into
	     account the fact that strtol allows a "0x" in front of
	     our numbers, and we don't.  */
	  if (!isxdigit(color[0]) || color[1] == 'x')
	    break;
	  value = strtoul(color, &end, 16);
	  if (errno == ERANGE)
	    break;
	  switch (end - color)
	    {
	    case 1:
	      value = value * 0x10 + value;
	      break;
	    case 2:
	      break;
	    case 3:
	      value /= 0x10;
	      break;
	    case 4:
	      value /= 0x100;
	      break;
	    default:
	      value = ULONG_MAX;
	    }
	  if (value == ULONG_MAX)
	    break;
	  colorval |= (value << pos);
	  pos += 0x8;
	  if (i == 2)
	    {
	      if (*end != '\0')
		break;
	      UNBLOCK_INPUT;
	      return (colorval);
	    }
	  if (*end != '/')
	    break;
	  color = end + 1;
	}
    }
  else if (strnicmp(colorname, "rgbi:", 5) == 0)
    {
      /* This is an RGB Intensity specification.  */
      char *color;
      UINT colorval;
      int i, pos;
      pos = 0;

      colorval = 0;
      color = colorname + 5;
      for (i = 0; i < 3; i++)
	{
	  char *end;
	  double value;
	  UINT val;

	  value = strtod(color, &end);
	  if (errno == ERANGE)
	    break;
	  if (value < 0.0 || value > 1.0)
	    break;
	  val = (UINT)(0x100 * value);
	  /* We used 0x100 instead of 0xFF to give an continuous
             range between 0.0 and 1.0 inclusive.  The next statement
             fixes the 1.0 case.  */
	  if (val == 0x100)
	    val = 0xFF;
	  colorval |= (val << pos);
	  pos += 0x8;
	  if (i == 2)
	    {
	      if (*end != '\0')
		break;
	      UNBLOCK_INPUT;
	      return (colorval);
	    }
	  if (*end != '/')
	    break;
	  color = end + 1;
	}
    }
  /* I am not going to attempt to handle any of the CIE color schemes
     or TekHVC, since I don't know the algorithms for conversion to
     RGB.  */
1477 1478 1479 1480 1481 1482 1483

  /* If we fail to lookup the color name in w32_color_map, then check the
     colorname to see if it can be crudely approximated: If the X color 
     ends in a number (e.g., "darkseagreen2"), strip the number and
     return the result of looking up the base color name.  */
  ret = w32_color_map_lookup (colorname);
  if (NILP (ret)) 
Geoff Voelker's avatar
Geoff Voelker committed
1484
    {
1485
      int len = strlen (colorname);
Geoff Voelker's avatar
Geoff Voelker committed
1486

1487 1488 1489
      if (isdigit (colorname[len - 1])) 
	{
	  char *ptr, *approx = alloca (len);
Geoff Voelker's avatar
Geoff Voelker committed
1490

1491 1492 1493 1494
	  strcpy (approx, colorname);
	  ptr = &approx[len - 1];
	  while (ptr > approx && isdigit (*ptr)) 
	      *ptr-- = '\0';
Geoff Voelker's avatar
Geoff Voelker committed
1495

1496
	  ret = w32_color_map_lookup (approx);
Geoff Voelker's avatar
Geoff Voelker committed
1497 1498 1499 1500 1501 1502 1503
	}
    }
  
  UNBLOCK_INPUT;
  return ret;
}

1504 1505

void
1506
w32_regenerate_palette (FRAME_PTR f)
1507
{
1508
  struct w32_palette_entry * list;
1509 1510 1511 1512 1513
  LOGPALETTE *          log_palette;
  HPALETTE              new_palette;
  int                   i;

  /* don't bother trying to create palette if not supported */
1514
  if (! FRAME_W32_DISPLAY_INFO (f)->has_palette)
1515 1516 1517 1518
    return;

  log_palette = (LOGPALETTE *)
    alloca (sizeof (LOGPALETTE) +
1519
	     FRAME_W32_DISPLAY_INFO (f)->num_colors * sizeof (PALETTEENTRY));
1520
  log_palette->palVersion = 0x300;
1521
  log_palette->palNumEntries = FRAME_W32_DISPLAY_INFO (f)->num_colors;
1522

1523
  list = FRAME_W32_DISPLAY_INFO (f)->color_list;
1524
  for (i = 0;
1525
       i < FRAME_W32_DISPLAY_INFO (f)->num_colors;
1526 1527 1528 1529 1530 1531 1532
       i++, list = list->next)
    log_palette->palPalEntry[i] = list->entry;

  new_palette = CreatePalette (log_palette);

  enter_crit ();

1533 1534 1535
  if (FRAME_W32_DISPLAY_INFO (f)->palette)
    DeleteObject (FRAME_W32_DISPLAY_INFO (f)->palette);
  FRAME_W32_DISPLAY_INFO (f)->palette = new_palette;
1536 1537 1538 1539 1540 1541 1542

  /* Realize display palette and garbage all frames. */
  release_frame_dc (f, get_frame_dc (f));

  leave_crit ();
}

1543 1544
#define W32_COLOR(pe)  RGB (pe.peRed, pe.peGreen, pe.peBlue)
#define SET_W32_COLOR(pe, color) \
1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555
  do \
    { \
      pe.peRed = GetRValue (color); \
      pe.peGreen = GetGValue (color); \
      pe.peBlue = GetBValue (color); \
      pe.peFlags = 0; \
    } while (0)

#if 0
/* Keep these around in case we ever want to track color usage. */
void
1556
w32_map_color (FRAME_PTR f, COLORREF color)
1557
{
1558
  struct w32_palette_entry * list = FRAME_W32_DISPLAY_INFO (f)->color_list;
1559

1560
  if (NILP (Vw32_enable_palette))
1561 1562 1563 1564 1565
    return;

  /* check if color is already mapped */
  while (list)
    {
1566
      if (W32_COLOR (list->entry) == color)
1567 1568 1569 1570 1571 1572 1573 1574
        {
	  ++list->refcount;
	  return;
	}
      list = list->next;
    }

  /* not already mapped, so add to list and recreate Windows palette */
1575 1576 1577
  list = (struct w32_palette_entry *)
    xmalloc (sizeof (struct w32_palette_entry));
  SET_W32_COLOR (list->entry, color);
1578
  list->refcount = 1;
1579 1580 1581
  list->next = FRAME_W32_DISPLAY_INFO (f)->color_list;
  FRAME_W32_DISPLAY_INFO (f)->color_list = list;
  FRAME_W32_DISPLAY_INFO (f)->num_colors++;
1582 1583

  /* set flag that palette must be regenerated */
1584
  FRAME_W32_DISPLAY_INFO (f)->regen_palette = TRUE;
1585 1586 1587
}

void
1588
w32_unmap_color (FRAME_PTR f, COLORREF color)
1589
{
1590 1591
  struct w32_palette_entry * list = FRAME_W32_DISPLAY_INFO (f)->color_list;
  struct w32_palette_entry **prev = &FRAME_W32_DISPLAY_INFO (f)->color_list;
1592

1593
  if (NILP (Vw32_enable_palette))
1594 1595 1596 1597 1598
    return;

  /* check if color is already mapped */
  while (list)
    {
1599
      if (W32_COLOR (list->entry) == color)
1600 1601 1602 1603 1604
        {
	  if (--list->refcount == 0)
	    {
	      *prev = list->next;
	      xfree (list);
1605
	      FRAME_W32_DISPLAY_INFO (f)->num_colors--;
1606 1607 1608 1609 1610 1611 1612 1613 1614 1615
	      break;
	    }
	  else
	    return;
	}
      prev = &list->next;
      list = list->next;
    }

  /* set flag that palette must be regenerated */
1616
  FRAME_W32_DISPLAY_INFO (f)->regen_palette = TRUE;
1617 1618 1619
}
#endif

Geoff Voelker's avatar
Geoff Voelker committed
1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631
/* Decide if color named COLOR is valid for the display associated with
   the selected frame; if so, return the rgb values in COLOR_DEF.
   If ALLOC is nonzero, allocate a new colormap cell.  */

int
defined_color (f, color, color_def, alloc)
     FRAME_PTR f;
     char *color;
     COLORREF *color_def;
     int alloc;
{
  register Lisp_Object tem;
1632

1633
  tem = x_to_w32_color (color);
1634

Geoff Voelker's avatar
Geoff Voelker committed
1635 1636
  if (!NILP (tem)) 
    {
1637
      if (!NILP (Vw32_enable_palette))
1638
	{
1639 1640 1641 1642
	  struct w32_palette_entry * entry =
	    FRAME_W32_DISPLAY_INFO (f)->color_list;
	  struct w32_palette_entry ** prev =
	    &FRAME_W32_DISPLAY_INFO (f)->color_list;
1643 1644 1645 1646
      
	  /* check if color is already mapped */
	  while (entry)
	    {
1647
	      if (W32_COLOR (entry->entry) == XUINT (tem))
1648 1649 1650 1651 1652 1653 1654 1655
		break;
	      prev = &entry->next;
	      entry = entry->next;
	    }

	  if (entry == NULL && alloc)
	    {
	      /* not already mapped, so add to list */
1656 1657 1658
	      entry = (struct w32_palette_entry *)
		xmalloc (sizeof (struct w32_palette_entry));
	      SET_W32_COLOR (entry->entry, XUINT (tem));
1659 1660
	      entry->next = NULL;
	      *prev = entry;
1661
	      FRAME_W32_DISPLAY_INFO (f)->num_colors++;
1662 1663

	      /* set flag that palette must be regenerated */
1664
	      FRAME_W32_DISPLAY_INFO (f)->regen_palette = TRUE;
1665 1666 1667 1668 1669
	    }
	}
      /* Ensure COLORREF value is snapped to nearest color in (default)
	 palette by simulating the PALETTERGB macro.  This works whether
	 or not the display device has a palette. */
1670
      *color_def = XUINT (tem) | 0x2000000;
Geoff Voelker's avatar
Geoff Voelker committed
1671
      return 1;
1672
    }
1673
  else 
1674 1675 1676
    {
      return 0;
    }
Geoff Voelker's avatar
Geoff Voelker committed
1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698
}

/* Given a string ARG naming a color, compute a pixel value from it
   suitable for screen F.
   If F is not a color screen, return DEF (default) regardless of what
   ARG says.  */

int
x_decode_color (f, arg, def)
     FRAME_PTR f;
     Lisp_Object arg;
     int def;
{
  COLORREF cdef;

  CHECK_STRING (arg, 0);

  if (strcmp (XSTRING (arg)->data, "black") == 0)
    return BLACK_PIX_DEFAULT (f);
  else if (strcmp (XSTRING (arg)->data, "white") == 0)
    return WHITE_PIX_DEFAULT (f);

1699
  if ((FRAME_W32_DISPLAY_INFO (f)->n_planes * FRAME_W32_DISPLAY_INFO (f)->n_cbits) == 1)
Geoff Voelker's avatar
Geoff Voelker committed
1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713
    return def;

  /* defined_color is responsible for coping with failures
     by looking for a near-miss.  */
  if (defined_color (f, XSTRING (arg)->data, &cdef, 1))
    return cdef;

  /* defined_color failed; return an ultimate default.  */
  return def;
}

/* Functions called only from `x_set_frame_param'
   to set individual parameters.

1714
   If FRAME_W32_WINDOW (f) is 0,
Geoff Voelker's avatar