w32fns.c 257 KB
Newer Older
1
/* Graphical user interface functions for the Microsoft Windows API.
2

3
Copyright (C) 1989, 1992-2013 Free Software Foundation, Inc.
Geoff Voelker's avatar
Geoff Voelker committed
4 5 6

This file is part of GNU Emacs.

7
GNU Emacs is free software: you can redistribute it and/or modify
Geoff Voelker's avatar
Geoff Voelker committed
8
it under the terms of the GNU General Public License as published by
9 10
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Geoff Voelker's avatar
Geoff Voelker committed
11 12 13 14 15 16 17

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
18
along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
Geoff Voelker's avatar
Geoff Voelker committed
19 20 21 22

/* Added by Kevin Gallo */

#include <config.h>
23 24

#include <signal.h>
Geoff Voelker's avatar
Geoff Voelker committed
25
#include <stdio.h>
26 27
#include <limits.h>
#include <errno.h>
Jason Rumney's avatar
Jason Rumney committed
28
#include <math.h>
29
#include <fcntl.h>
30
#include <unistd.h>
Geoff Voelker's avatar
Geoff Voelker committed
31 32 33 34 35

#include "lisp.h"
#include "w32term.h"
#include "frame.h"
#include "window.h"
36
#include "character.h"
Geoff Voelker's avatar
Geoff Voelker committed
37
#include "buffer.h"
38
#include "intervals.h"
39 40
#include "dispextern.h"
#include "keyboard.h"
Geoff Voelker's avatar
Geoff Voelker committed
41
#include "blockinput.h"
42
#include "epaths.h"
43
#include "charset.h"
44
#include "coding.h"
45
#include "ccl.h"
46
#include "fontset.h"
47
#include "systime.h"
48
#include "termhooks.h"
Daniel Colascione's avatar
Daniel Colascione committed
49

Daniel Colascione's avatar
Daniel Colascione committed
50 51 52
#include "w32common.h"

#ifdef WINDOWSNT
53
#include "w32heap.h"
Daniel Colascione's avatar
Daniel Colascione committed
54
#endif /* WINDOWSNT */
Daniel Colascione's avatar
Daniel Colascione committed
55 56 57 58

#if CYGWIN
#include "cygw32.h"
#else
Eli Zaretskii's avatar
Eli Zaretskii committed
59
#include "w32.h"
Daniel Colascione's avatar
Daniel Colascione committed
60
#endif
61 62

#include "bitmaps/gray.xbm"
Geoff Voelker's avatar
Geoff Voelker committed
63

64
#include <commctrl.h>
Geoff Voelker's avatar
Geoff Voelker committed
65
#include <commdlg.h>
Richard M. Stallman's avatar
Richard M. Stallman committed
66
#include <shellapi.h>
67
#include <ctype.h>
Kenichi Handa's avatar
Kenichi Handa committed
68
#include <winspool.h>
69
#include <objbase.h>
Geoff Voelker's avatar
Geoff Voelker committed
70

71
#include <dlgs.h>
Jason Rumney's avatar
Jason Rumney committed
72
#include <imm.h>
73

74
#include "font.h"
75
#include "w32font.h"
76

77 78 79 80
#ifndef FOF_NO_CONNECTED_ELEMENTS
#define FOF_NO_CONNECTED_ELEMENTS 0x2000
#endif

81 82
void syms_of_w32fns (void);
void globals_of_w32fns (void);
83

84
extern void free_frame_menubar (struct frame *);
85 86 87 88
extern int w32_console_toggle_lock_key (int, Lisp_Object);
extern void w32_menu_display_help (HWND, HMENU, UINT, UINT);
extern void w32_free_menu_strings (HWND);
extern const char *map_w32_filename (const char *, const char **);
Daniel Colascione's avatar
Daniel Colascione committed
89
extern char * w32_strerror (int error_no);
90

91
/* If non-NULL, a handle to a frame where to display the hourglass cursor.  */
92 93
static HWND hourglass_hwnd = NULL;

94 95 96 97
#ifndef IDC_HAND
#define IDC_HAND MAKEINTRESOURCE(32649)
#endif

Geoff Voelker's avatar
Geoff Voelker committed
98 99
Lisp_Object Qsuppress_icon;
Lisp_Object Qundefined_color;
100
Lisp_Object Qcancel_timer;
101
Lisp_Object Qfont_param;
102 103 104 105 106 107 108
Lisp_Object Qhyper;
Lisp_Object Qsuper;
Lisp_Object Qmeta;
Lisp_Object Qalt;
Lisp_Object Qctrl;
Lisp_Object Qcontrol;
Lisp_Object Qshift;
109
static Lisp_Object Qgeometry, Qworkarea, Qmm_size, Qframes;
110

111

112 113 114 115
/* Prefix for system colors.  */
#define SYSTEM_COLOR_PREFIX "System"
#define SYSTEM_COLOR_PREFIX_LEN (sizeof (SYSTEM_COLOR_PREFIX) - 1)

116 117 118 119 120 121
/* State variables for emulating a three button mouse. */
#define LMOUSE 1
#define MMOUSE 2
#define RMOUSE 4

static int button_state = 0;
122
static W32Msg saved_mouse_button_msg;
123
static unsigned mouse_button_timer = 0;	/* non-zero when timer is active */
124
static W32Msg saved_mouse_move_msg;
125
static unsigned mouse_move_timer = 0;
126

127 128
/* Window that is tracking the mouse.  */
static HWND track_mouse_window;
129

130 131 132 133 134
/* Multi-monitor API definitions that are not pulled from the headers
   since we are compiling for NT 4.  */
#ifndef MONITOR_DEFAULT_TO_NEAREST
#define MONITOR_DEFAULT_TO_NEAREST 2
#endif
135 136 137 138 139 140 141 142 143
#ifndef MONITORINFOF_PRIMARY
#define MONITORINFOF_PRIMARY 1
#endif
#ifndef SM_XVIRTUALSCREEN
#define SM_XVIRTUALSCREEN 76
#endif
#ifndef SM_YVIRTUALSCREEN
#define SM_YVIRTUALSCREEN 77
#endif
144 145 146 147 148 149 150 151 152 153
/* MinGW headers define MONITORINFO unconditionally, but MSVC ones don't.
   To avoid a compile error on one or the other, redefine with a new name.  */
struct MONITOR_INFO
{
    DWORD   cbSize;
    RECT    rcMonitor;
    RECT    rcWork;
    DWORD   dwFlags;
};

154 155 156 157 158 159 160 161 162 163 164 165
#ifndef CCHDEVICENAME
#define CCHDEVICENAME 32
#endif
struct MONITOR_INFO_EX
{
    DWORD   cbSize;
    RECT    rcMonitor;
    RECT    rcWork;
    DWORD   dwFlags;
    char    szDevice[CCHDEVICENAME];
};

166
/* Reportedly, MSVC does not have this in its headers.  */
167
#if defined (_MSC_VER) && _WIN32_WINNT < 0x0500
168 169 170
DECLARE_HANDLE(HMONITOR);
#endif

171 172
typedef BOOL (WINAPI * TrackMouseEvent_Proc)
  (IN OUT LPTRACKMOUSEEVENT lpEventTrack);
Jason Rumney's avatar
Jason Rumney committed
173 174 175
typedef LONG (WINAPI * ImmGetCompositionString_Proc)
  (IN HIMC context, IN DWORD index, OUT LPVOID buffer, IN DWORD bufLen);
typedef HIMC (WINAPI * ImmGetContext_Proc) (IN HWND window);
176 177 178
typedef HWND (WINAPI * ImmReleaseContext_Proc) (IN HWND wnd, IN HIMC context);
typedef HWND (WINAPI * ImmSetCompositionWindow_Proc) (IN HIMC context,
						      IN COMPOSITIONFORM *form);
179 180 181
typedef HMONITOR (WINAPI * MonitorFromPoint_Proc) (IN POINT pt, IN DWORD flags);
typedef BOOL (WINAPI * GetMonitorInfo_Proc)
  (IN HMONITOR monitor, OUT struct MONITOR_INFO* info);
182 183
typedef HMONITOR (WINAPI * MonitorFromWindow_Proc)
  (IN HWND hwnd, IN DWORD dwFlags);
184 185 186 187
typedef BOOL CALLBACK (* MonitorEnum_Proc)
  (IN HMONITOR monitor, IN HDC hdc, IN RECT *rcMonitor, IN LPARAM dwData);
typedef BOOL (WINAPI * EnumDisplayMonitors_Proc)
  (IN HDC hdc, IN RECT *rcClip, IN MonitorEnum_Proc fnEnum, IN LPARAM dwData);
188

189
TrackMouseEvent_Proc track_mouse_event_fn = NULL;
Jason Rumney's avatar
Jason Rumney committed
190 191
ImmGetCompositionString_Proc get_composition_string_fn = NULL;
ImmGetContext_Proc get_ime_context_fn = NULL;
192 193
ImmReleaseContext_Proc release_ime_context_fn = NULL;
ImmSetCompositionWindow_Proc set_ime_composition_window_fn = NULL;
194 195
MonitorFromPoint_Proc monitor_from_point_fn = NULL;
GetMonitorInfo_Proc get_monitor_info_fn = NULL;
196
MonitorFromWindow_Proc monitor_from_window_fn = NULL;
197
EnumDisplayMonitors_Proc enum_display_monitors_fn = NULL;
Jason Rumney's avatar
Jason Rumney committed
198

Daniel Colascione's avatar
Daniel Colascione committed
199 200 201
#ifdef NTGUI_UNICODE
#define unicode_append_menu AppendMenuW
#else /* !NTGUI_UNICODE */
202
extern AppendMenuW_Proc unicode_append_menu;
Daniel Colascione's avatar
Daniel Colascione committed
203
#endif /* NTGUI_UNICODE */
204

Jason Rumney's avatar
Jason Rumney committed
205 206 207
/* Flag to selectively ignore WM_IME_CHAR messages.  */
static int ignore_ime_char = 0;

208
/* W95 mousewheel handler */
Juanma Barranquero's avatar
Juanma Barranquero committed
209
unsigned int msh_mousewheel = 0;
210

211
/* Timers */
212 213
#define MOUSE_BUTTON_ID	1
#define MOUSE_MOVE_ID	2
214 215 216 217 218
#define MENU_FREE_ID 3
/* The delay (milliseconds) before a menu is freed after WM_EXITMENULOOP
   is received.  */
#define MENU_FREE_DELAY 1000
static unsigned menu_free_timer = 0;
219

220
#ifdef GLYPH_DEBUG
Paul Eggert's avatar
Paul Eggert committed
221
static int image_cache_refcount, dpyinfo_refcount;
222 223
#endif

224
static HWND w32_visible_system_caret_hwnd;
225

226 227
static int w32_unicode_gui;

228 229
/* From w32menu.c  */
extern HMENU current_popup_menu;
230
static int menubar_in_use = 0;
231

232
/* From w32uniscribe.c  */
233
extern void syms_of_w32uniscribe (void);
234 235
extern int uniscribe_available;

236
/* Function prototypes for hourglass support.  */
237 238
static void w32_show_hourglass (struct frame *);
static void w32_hide_hourglass (void);
239

Daniel Colascione's avatar
Daniel Colascione committed
240
#ifdef WINDOWSNT
Paul Eggert's avatar
Paul Eggert committed
241
/* From w32inevt.c */
Daniel Colascione's avatar
Daniel Colascione committed
242 243 244 245 246 247 248 249 250
extern int faked_key;
#endif /* WINDOWSNT */

/* This gives us the page size and the size of the allocation unit on NT.  */
SYSTEM_INFO sysinfo_cache;

/* This gives us version, build, and platform identification.  */
OSVERSIONINFO osinfo_cache;

251
DWORD_PTR syspage_mask = 0;
Daniel Colascione's avatar
Daniel Colascione committed
252 253 254 255 256 257 258 259 260 261 262 263 264 265 266

/* The major and minor versions of NT.  */
int w32_major_version;
int w32_minor_version;
int w32_build_number;

/* Distinguish between Windows NT and Windows 95.  */
int os_subtype;

#ifdef HAVE_NTGUI
HINSTANCE hinst = NULL;
#endif

static unsigned int sound_type = 0xFFFFFFFF;
#define MB_EMACS_SILENT (0xFFFFFFFF - 1)
267

Juanma Barranquero's avatar
Juanma Barranquero committed
268
/* Let the user specify a display with a frame.
269
   nil stands for the selected frame--or, if that is not a w32 frame,
Geoff Voelker's avatar
Geoff Voelker committed
270 271
   the first display on the list.  */

272
struct w32_display_info *
273
check_x_display_info (Lisp_Object frame)
Geoff Voelker's avatar
Geoff Voelker committed
274 275 276
{
  if (NILP (frame))
    {
277
      struct frame *sf = XFRAME (selected_frame);
Juanma Barranquero's avatar
Juanma Barranquero committed
278

279
      if (FRAME_W32_P (sf) && FRAME_LIVE_P (sf))
280
	return FRAME_DISPLAY_INFO (sf);
Geoff Voelker's avatar
Geoff Voelker committed
281
      else
282
	return &one_w32_display_info;
Geoff Voelker's avatar
Geoff Voelker committed
283 284 285 286 287
    }
  else if (STRINGP (frame))
    return x_display_info_for_name (frame);
  else
    {
Dmitry Antipov's avatar
Dmitry Antipov committed
288
      struct frame *f;
Geoff Voelker's avatar
Geoff Voelker committed
289

290
      CHECK_LIVE_FRAME (frame);
Geoff Voelker's avatar
Geoff Voelker committed
291
      f = XFRAME (frame);
292
      if (! FRAME_W32_P (f))
293
	error ("Non-W32 frame used");
294
      return FRAME_DISPLAY_INFO (f);
Geoff Voelker's avatar
Geoff Voelker committed
295 296 297
    }
}

298
/* Return the Emacs frame-object corresponding to an w32 window.
Geoff Voelker's avatar
Geoff Voelker committed
299 300 301
   It could be the frame's main window or an icon window.  */

struct frame *
302
x_window_to_frame (struct w32_display_info *dpyinfo, HWND wdesc)
Geoff Voelker's avatar
Geoff Voelker committed
303 304 305 306
{
  Lisp_Object tail, frame;
  struct frame *f;

307
  FOR_EACH_FRAME (tail, frame)
Geoff Voelker's avatar
Geoff Voelker committed
308 309
    {
      f = XFRAME (frame);
310
      if (!FRAME_W32_P (f) || FRAME_DISPLAY_INFO (f) != dpyinfo)
Geoff Voelker's avatar
Geoff Voelker committed
311
	continue;
312

313
      if (FRAME_W32_WINDOW (f) == wdesc)
Geoff Voelker's avatar
Geoff Voelker committed
314 315 316 317 318 319
        return f;
    }
  return 0;
}


320
static Lisp_Object unwind_create_frame (Lisp_Object);
321
static void unwind_create_tip_frame (Lisp_Object);
322 323
static void my_create_window (struct frame *);
static void my_create_tip_window (struct frame *);
324

325
/* TODO: Native Input Method support; see x_create_im.  */
326 327 328 329 330 331 332 333 334 335 336 337
void x_set_foreground_color (struct frame *, Lisp_Object, Lisp_Object);
void x_set_background_color (struct frame *, Lisp_Object, Lisp_Object);
void x_set_mouse_color (struct frame *, Lisp_Object, Lisp_Object);
void x_set_cursor_color (struct frame *, Lisp_Object, Lisp_Object);
void x_set_border_color (struct frame *, Lisp_Object, Lisp_Object);
void x_set_cursor_type (struct frame *, Lisp_Object, Lisp_Object);
void x_set_icon_type (struct frame *, Lisp_Object, Lisp_Object);
void x_set_icon_name (struct frame *, Lisp_Object, Lisp_Object);
void x_explicitly_set_name (struct frame *, Lisp_Object, Lisp_Object);
void x_set_menu_bar_lines (struct frame *, Lisp_Object, Lisp_Object);
void x_set_title (struct frame *, Lisp_Object, Lisp_Object);
void x_set_tool_bar_lines (struct frame *, Lisp_Object, Lisp_Object);
Geoff Voelker's avatar
Geoff Voelker committed
338 339 340 341 342 343 344 345 346




/* 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
Dmitry Antipov's avatar
Dmitry Antipov committed
347
x_real_positions (struct frame *f, int *xptr, int *yptr)
Geoff Voelker's avatar
Geoff Voelker committed
348 349
{
  POINT pt;
Jason Rumney's avatar
Jason Rumney committed
350
  RECT rect;
351

352 353
  /* Get the bounds of the WM window.  */
  GetWindowRect (FRAME_W32_WINDOW (f), &rect);
Jason Rumney's avatar
Jason Rumney committed
354

355 356
  pt.x = 0;
  pt.y = 0;
Geoff Voelker's avatar
Geoff Voelker committed
357

358 359
  /* Convert (0, 0) in the client area to screen co-ordinates.  */
  ClientToScreen (FRAME_W32_WINDOW (f), &pt);
Geoff Voelker's avatar
Geoff Voelker committed
360

Jason Rumney's avatar
Jason Rumney committed
361
  /* Remember x_pixels_diff and y_pixels_diff.  */
362 363
  f->x_pixels_diff = pt.x - rect.left;
  f->y_pixels_diff = pt.y - rect.top;
Jason Rumney's avatar
Jason Rumney committed
364

365 366
  *xptr = rect.left;
  *yptr = rect.top;
Geoff Voelker's avatar
Geoff Voelker committed
367 368
}

369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428
/* Returns the window rectangle appropriate for the given fullscreen mode.
   The normal rect parameter was the window's rectangle prior to entering
   fullscreen mode.  If multiple monitor support is available, the nearest
   monitor to the window is chosen.  */

void
w32_fullscreen_rect (HWND hwnd, int fsmode, RECT normal, RECT *rect)
{
  struct MONITOR_INFO mi = { sizeof(mi) };
  if (monitor_from_window_fn && get_monitor_info_fn)
    {
      HMONITOR monitor =
        monitor_from_window_fn (hwnd, MONITOR_DEFAULT_TO_NEAREST);
      get_monitor_info_fn (monitor, &mi);
    }
  else
    {
      mi.rcMonitor.left = 0;
      mi.rcMonitor.top = 0;
      mi.rcMonitor.right = GetSystemMetrics (SM_CXSCREEN);
      mi.rcMonitor.bottom = GetSystemMetrics (SM_CYSCREEN);
      mi.rcWork.left = 0;
      mi.rcWork.top = 0;
      mi.rcWork.right = GetSystemMetrics (SM_CXMAXIMIZED);
      mi.rcWork.bottom = GetSystemMetrics (SM_CYMAXIMIZED);
    }

  switch (fsmode)
    {
    case FULLSCREEN_BOTH:
      rect->left = mi.rcMonitor.left;
      rect->top = mi.rcMonitor.top;
      rect->right = mi.rcMonitor.right;
      rect->bottom = mi.rcMonitor.bottom;
      break;
    case FULLSCREEN_MAXIMIZED:
      rect->left = mi.rcWork.left;
      rect->top = mi.rcWork.top;
      rect->right = mi.rcWork.right;
      rect->bottom = mi.rcWork.bottom;
      break;
    case FULLSCREEN_WIDTH:
      rect->left = mi.rcWork.left;
      rect->top = normal.top;
      rect->right = mi.rcWork.right;
      rect->bottom = normal.bottom;
      break;
    case FULLSCREEN_HEIGHT:
      rect->left = normal.left;
      rect->top = mi.rcWork.top;
      rect->right = normal.right;
      rect->bottom = mi.rcWork.bottom;
      break;
    case FULLSCREEN_NONE:
    default:
      *rect = normal;
      break;
    }
}

Geoff Voelker's avatar
Geoff Voelker committed
429 430


431 432
DEFUN ("w32-define-rgb-color", Fw32_define_rgb_color,
       Sw32_define_rgb_color, 4, 4, 0,
433
       doc: /* Convert RGB numbers to a Windows color reference and associate with NAME.
434
This adds or updates a named color to `w32-color-map', making it
435 436
available for use.  The original entry's RGB ref is returned, or nil
if the entry is new.  */)
437
  (Lisp_Object red, Lisp_Object green, Lisp_Object blue, Lisp_Object name)
Geoff Voelker's avatar
Geoff Voelker committed
438
{
439 440 441 442
  Lisp_Object rgb;
  Lisp_Object oldrgb = Qnil;
  Lisp_Object entry;

443 444 445 446
  CHECK_NUMBER (red);
  CHECK_NUMBER (green);
  CHECK_NUMBER (blue);
  CHECK_STRING (name);
Geoff Voelker's avatar
Geoff Voelker committed
447

448
  XSETINT (rgb, RGB (XUINT (red), XUINT (green), XUINT (blue)));
Geoff Voelker's avatar
Geoff Voelker committed
449

450
  block_input ();
Geoff Voelker's avatar
Geoff Voelker committed
451

452 453
  /* replace existing entry in w32-color-map or add new entry. */
  entry = Fassoc (name, Vw32_color_map);
454 455 456
  if (NILP (entry))
    {
      entry = Fcons (name, rgb);
457
      Vw32_color_map = Fcons (entry, Vw32_color_map);
458 459 460 461 462 463 464
    }
  else
    {
      oldrgb = Fcdr (entry);
      Fsetcdr (entry, rgb);
    }

465
  unblock_input ();
466 467

  return (oldrgb);
Geoff Voelker's avatar
Geoff Voelker committed
468 469
}

470
/* The default colors for the w32 color map */
Juanma Barranquero's avatar
Juanma Barranquero committed
471
typedef struct colormap_t
Geoff Voelker's avatar
Geoff Voelker committed
472 473 474 475 476
{
  char *name;
  COLORREF colorref;
} colormap_t;

Juanma Barranquero's avatar
Juanma Barranquero committed
477
colormap_t w32_color_map[] =
Geoff Voelker's avatar
Geoff Voelker committed
478
{
479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718
  {"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
719 720
};

721 722
static Lisp_Object
w32_default_color_map (void)
Geoff Voelker's avatar
Geoff Voelker committed
723 724
{
  int i;
725
  colormap_t *pc = w32_color_map;
Geoff Voelker's avatar
Geoff Voelker committed
726
  Lisp_Object cmap;
Juanma Barranquero's avatar
Juanma Barranquero committed
727

728
  block_input ();
Juanma Barranquero's avatar
Juanma Barranquero committed
729

Geoff Voelker's avatar
Geoff Voelker committed
730
  cmap = Qnil;
Juanma Barranquero's avatar
Juanma Barranquero committed
731 732

  for (i = 0; i < sizeof (w32_color_map) / sizeof (w32_color_map[0]);
Geoff Voelker's avatar
Geoff Voelker committed
733 734 735 736
       pc++, i++)
    cmap = Fcons (Fcons (build_string (pc->name),
			 make_number (pc->colorref)),
		  cmap);
Juanma Barranquero's avatar
Juanma Barranquero committed
737

738
  unblock_input ();
Juanma Barranquero's avatar
Juanma Barranquero committed
739

Geoff Voelker's avatar
Geoff Voelker committed
740 741 742
  return (cmap);
}

743 744 745 746 747 748 749
DEFUN ("w32-default-color-map", Fw32_default_color_map, Sw32_default_color_map,
       0, 0, 0, doc: /* Return the default color map.  */)
  (void)
{
  return w32_default_color_map ();
}

750
static Lisp_Object
751
w32_color_map_lookup (const char *colorname)
752 753 754
{
  Lisp_Object tail, ret = Qnil;

755
  block_input ();
756

757
  for (tail = Vw32_color_map; CONSP (tail); tail = XCDR (tail))
758 759 760
    {
      register Lisp_Object elt, tem;

761
      elt = XCAR (tail);
762 763
      if (!CONSP (elt)) continue;

764
      tem = XCAR (elt);
765

766
      if (lstrcmpi (SDATA (tem), colorname) == 0)
767
	{
768
	  ret = Fcdr (elt);
769 770 771 772 773 774
	  break;
	}

      QUIT;
    }

775
  unblock_input ();
776 777 778 779

  return ret;
}

780 781

static void
782
add_system_logical_colors_to_map (Lisp_Object *system_colors)
783 784 785 786
{
  HKEY colors_key;

  /* Other registry operations are done with input blocked.  */
787
  block_input ();
788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824

  /* Look for "Control Panel/Colors" under User and Machine registry
     settings.  */
  if (RegOpenKeyEx (HKEY_CURRENT_USER, "Control Panel\\Colors", 0,
		    KEY_READ, &colors_key) == ERROR_SUCCESS
      || RegOpenKeyEx (HKEY_LOCAL_MACHINE, "Control Panel\\Colors", 0,
		       KEY_READ, &colors_key) == ERROR_SUCCESS)
    {
      /* List all keys.  */
      char color_buffer[64];
      char full_name_buffer[MAX_PATH + SYSTEM_COLOR_PREFIX_LEN];
      int index = 0;
      DWORD name_size, color_size;
      char *name_buffer = full_name_buffer + SYSTEM_COLOR_PREFIX_LEN;

      name_size = sizeof (full_name_buffer) - SYSTEM_COLOR_PREFIX_LEN;
      color_size = sizeof (color_buffer);

      strcpy (full_name_buffer, SYSTEM_COLOR_PREFIX);

      while (RegEnumValueA (colors_key, index, name_buffer, &name_size,
			    NULL, NULL, color_buffer, &color_size)
	     == ERROR_SUCCESS)
	{
	  int r, g, b;
	  if (sscanf (color_buffer, " %u %u %u", &r, &g, &b) == 3)
	    *system_colors = Fcons (Fcons (build_string (full_name_buffer),
					   make_number (RGB (r, g, b))),
				    *system_colors);

	  name_size = sizeof (full_name_buffer) - SYSTEM_COLOR_PREFIX_LEN;
	  color_size = sizeof (color_buffer);
	  index++;
	}
      RegCloseKey (colors_key);
    }

825
  unblock_input ();
826 827 828
}


829
static Lisp_Object
830
x_to_w32_color (const char * colorname)
Geoff Voelker's avatar
Geoff Voelker committed
831
{
832 833
  register Lisp_Object ret = Qnil;

834
  block_input ();
835 836 837 838

  if (colorname[0] == '#')
    {
      /* Could be an old-style RGB Device specification.  */
839 840
      int size = strlen (colorname + 1);
      char *color = alloca (size + 1);
Juanma Barranquero's avatar
Juanma Barranquero committed
841

842
      strcpy (color, colorname + 1);
843 844 845 846 847 848 849
      if (size == 3 || size == 6 || size == 9 || size == 12)
	{
	  UINT colorval;
	  int i, pos;
	  pos = 0;
	  size /= 3;
	  colorval = 0;
Juanma Barranquero's avatar
Juanma Barranquero committed
850

851 852 853 854 855 856 857 858 859
	  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.  */
860
	      if (!isxdigit (color[0]) || color[1] == 'x')
861 862 863
		break;
	      t = color[size];
	      color[size] = '\0';
864
	      value = strtoul (color, &end, 16);
865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885
	      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)
		{
886
		  unblock_input ();
887 888
		  XSETINT (ret, colorval);
		  return ret;
889 890 891 892 893
		}
	      color = end;
	    }
	}
    }
894
  else if (strnicmp (colorname, "rgb:", 4) == 0)
895
    {
896
      const char *color;
897 898 899 900 901 902 903 904 905 906
      UINT colorval;
      int i, pos;
      pos = 0;

      colorval = 0;
      color = colorname + 4;
      for (i = 0; i < 3; i++)
	{
	  char *end;
	  unsigned long value;
Juanma Barranquero's avatar
Juanma Barranquero committed
907

908 909 910
	  /* 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.  */
911
	  if (!isxdigit (color[0]) || color[1] == 'x')
912
	    break;
913
	  value = strtoul (color, &end, 16);
914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939
	  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;
940
	      unblock_input ();
941 942
	      XSETINT (ret, colorval);
	      return ret;
943 944 945 946 947 948
	    }
	  if (*end != '/')
	    break;
	  color = end + 1;
	}
    }
949
  else if (strnicmp (colorname, "rgbi:", 5) == 0)
950 951
    {
      /* This is an RGB Intensity specification.  */
952
      const char *color;
953 954 955 956 957 958 959 960 961 962 963 964
      UINT colorval;
      int i, pos;
      pos = 0;

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

965
	  value = strtod (color, &end);
966 967 968 969 970
	  if (errno == ERANGE)
	    break;
	  if (value < 0.0 || value > 1.0)
	    break;
	  val = (UINT)(0x100 * value);
Juanma Barranquero's avatar
Juanma Barranquero committed
971
	  /* We used 0x100 instead of 0xFF to give a continuous
972 973 974 975 976 977 978 979 980 981
             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;
982
	      unblock_input ();
983 984
	      XSETINT (ret, colorval);
	      return ret;
985 986 987 988 989 990 991 992 993
	    }
	  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.  */
994 995

  /* If we fail to lookup the color name in w32_color_map, then check the
Juanma Barranquero's avatar
Juanma Barranquero committed
996
     colorname to see if it can be crudely approximated: If the X color
997 998 999
     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);
Juanma Barranquero's avatar
Juanma Barranquero committed
1000
  if (NILP (ret))
Geoff Voelker's avatar
Geoff Voelker committed
1001
    {
1002
      int len = strlen (colorname);
Geoff Voelker's avatar
Geoff Voelker committed
1003

Juanma Barranquero's avatar
Juanma Barranquero committed
1004
      if (isdigit (colorname[len - 1]))
1005
	{
1006
	  char *ptr, *approx = alloca (len + 1);
Geoff Voelker's avatar
Geoff Voelker committed
1007

1008 1009
	  strcpy (approx, colorname);
	  ptr = &approx[len - 1];
Juanma Barranquero's avatar
Juanma Barranquero committed
1010
	  while (ptr > approx && isdigit (*ptr))
1011
	      *ptr-- = '\0';
Geoff Voelker's avatar
Geoff Voelker committed
1012

1013
	  ret = w32_color_map_lookup (approx);
Geoff Voelker's avatar
Geoff Voelker committed
1014 1015
	}
    }
Juanma Barranquero's avatar
Juanma Barranquero committed
1016

1017
  unblock_input ();
Geoff Voelker's avatar
Geoff Voelker committed
1018 1019 1020
  return ret;
}

1021
void
Dmitry Antipov's avatar
Dmitry Antipov committed
1022
w32_regenerate_palette (struct frame *f)
1023
{
1024
  struct w32_palette_entry * list;
1025 1026 1027 1028 1029
  LOGPALETTE *          log_palette;
  HPALETTE              new_palette;
  int                   i;

  /* don't bother trying to create palette if not supported */
1030
  if (! FRAME_DISPLAY_INFO (f)->has_palette)
1031 1032 1033 1034
    return;

  log_palette = (LOGPALETTE *)
    alloca (sizeof (LOGPALETTE) +
1035
	     FRAME_DISPLAY_INFO (f)->num_colors * sizeof (PALETTEENTRY));
1036
  log_palette->palVersion = 0x300;
1037
  log_palette->palNumEntries = FRAME_DISPLAY_INFO (f)->num_colors;
1038

1039
  list = FRAME_DISPLAY_INFO (f)->color_list;
1040
  for (i = 0;
1041
       i < FRAME_DISPLAY_INFO (f)->num_colors;
1042 1043 1044 1045 1046 1047 1048
       i++, list = list->next)
    log_palette->palPalEntry[i] = list->entry;

  new_palette = CreatePalette (log_palette);

  enter_crit ();

1049 1050 1051
  if (FRAME_DISPLAY_INFO (f)->palette)
    DeleteObject (FRAME_DISPLAY_INFO (f)->palette);
  FRAME_DISPLAY_INFO (f)->palette = new_palette;
1052 1053 1054 1055 1056 1057 1058

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

  leave_crit ();
}

1059 1060
#define W32_COLOR(pe)  RGB (pe.peRed, pe.peGreen, pe.peBlue)
#define SET_W32_COLOR(pe, color) \
1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071
  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
Dmitry Antipov's avatar
Dmitry Antipov committed
1072
w32_map_color (struct frame *f, COLORREF color)
1073
{
1074
  struct w32_palette_entry * list = FRAME_DISPLAY_INFO (f)->color_list;
1075

1076
  if (NILP (Vw32_enable_palette))
1077 1078 1079 1080 1081
    return;

  /* check if color is already mapped */
  while (list)
    {
1082
      if (W32_COLOR (list->entry) == color)
1083 1084 1085 1086 1087 1088 1089 1090
        {
	  ++list->refcount;
	  return;
	}
      list = list->next;
    }

  /* not already mapped, so add to list and recreate Windows palette */
Dmitry Antipov's avatar
Dmitry Antipov committed
1091
  list = xmalloc (sizeof (struct w32_palette_entry));
1092
  SET_W32_COLOR (list->entry, color);
1093
  list->refcount = 1;
1094 1095 1096
  list->next = FRAME_DISPLAY_INFO (f)->color_list;
  FRAME_DISPLAY_INFO (f)->color_list = list;
  FRAME_DISPLAY_INFO (f)->num_colors++;
1097 1098

  /* set flag that palette must be regenerated */
1099
  FRAME_DISPLAY_INFO (f)->regen_palette = TRUE;
1100 1101 1102
}

void
Dmitry Antipov's avatar
Dmitry Antipov committed
1103
w32_unmap_color (struct frame *f, COLORREF color)
1104
{
1105 1106
  struct w32_palette_entry * list = FRAME_DISPLAY_INFO (f)->color_list;
  struct w32_palette_entry **prev = &FRAME_DISPLAY_INFO (f)->color_list;
1107

1108
  if (NILP (Vw32_enable_palette))
1109 1110 1111 1112 1113
    return;

  /* check if color is already mapped */
  while (list)
    {
1114
      if (W32_COLOR (list->entry) == color)
1115 1116 1117 1118 1119
        {
	  if (--list->refcount == 0)
	    {
	      *prev = list->next;
	      xfree (list);
1120
	      FRAME_DISPLAY_INFO (f)->num_colors--;
1121 1122 1123 1124 1125 1126 1127 1128 1129 1130
	      break;
	    }
	  else
	    return;
	}
      prev = &list->next;
      list = list->next;
    }

  /* set flag that palette must be regenerated */
1131
  FRAME_DISPLAY_INFO (f)->regen_palette = TRUE;
1132 1133 1134
}
#endif

1135 1136 1137 1138

/* Gamma-correct COLOR on frame F.  */

void
1139
gamma_correct (struct frame *f, COLORREF *color)
1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150
{
  if (f->gamma)
    {
      *color = PALETTERGB (
        pow (GetRValue (*color) / 255.0, f->gamma) * 255.0 + 0.5,
        pow (GetGValue (*color) / 255.0, f->gamma) * 255.0 + 0.5,
        pow (GetBValue (*color) / 255.0, f->gamma) * 255.0 + 0.5);
    }
}


Geoff Voelker's avatar
Geoff Voelker committed
1151 1152 1153 1154 1155
/* 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
Dmitry Antipov's avatar
Dmitry Antipov committed
1156
w32_defined_color (struct frame *f, const char *color, XColor *color_def, int alloc)
Geoff Voelker's avatar
Geoff Voelker committed
1157 1158
{
  register Lisp_Object tem;
1159
  COLORREF w32_color_ref;
1160

1161
  tem = x_to_w32_color (color);
1162

Juanma Barranquero's avatar
Juanma Barranquero committed
1163
  if (!NILP (tem))
Geoff Voelker's avatar
Geoff Voelker committed
1164
    {
1165 1166 1167 1168 1169 1170 1171
      if (f)
        {
          /* Apply gamma correction.  */
          w32_color_ref = XUINT (tem);
          gamma_correct (f, &w32_color_ref);
          XSETINT (tem, w32_color_ref);
        }
1172 1173

      /* Map this color to the palette if it is enabled. */
1174
      if (!NILP (Vw32_enable_palette))
1175
	{
1176
	  struct w32_palette_entry * entry =
1177
	    one_w32_display_info.color_list;
1178
	  struct w32_palette_entry ** prev =
1179
	    &one_w32_display_info.color_list;
Juanma Barranquero's avatar
Juanma Barranquero committed
1180

1181 1182 1183
	  /* check if color is already mapped */
	  while (entry)
	    {
1184
	      if (W32_COLOR (entry->entry) == XUINT (tem))
1185 1186 1187 1188 1189 1190 1191 1192
		break;
	      prev = &entry->next;
	      entry = entry->next;
	    }

	  if (entry == NULL && alloc)
	    {
	      /* not already mapped, so add to list */
Dmitry Antipov's avatar
Dmitry Antipov committed
1193
	      entry = xmalloc (sizeof (struct w32_palette_entry));
1194
	      SET_W32_COLOR (entry->entry, XUINT (tem));
1195 1196
	      entry->next = NULL;
	      *prev = entry;
1197
	      one_w32_display_info.num_colors++;
1198 1199

	      /* set flag that palette must be regenerated */
1200
	      one_w32_display_info.regen_palette = TRUE;
1201 1202 1203 1204 1205
	    }
	}
      /* 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. */
1206 1207 1208
      w32_color_ref = XUINT (tem) | 0x2000000;

      color_def->pixel = w32_color_ref;
1209 1210 1211
      color_def->red = GetRValue (w32_color_ref) * 256;
      color_def->green = GetGValue (w32_color_ref) * 256;
      color_def->blue = GetBValue (w32_color_ref) * 256;
1212

Geoff Voelker's avatar
Geoff Voelker committed
1213
      return 1;
1214
    }
Juanma Barranquero's avatar
Juanma Barranquero committed
1215
  else
1216 1217 1218
    {
      return 0;
    }
Geoff Voelker's avatar
Geoff Voelker committed
1219 1220 1221 1222 1223 1224 1225 1226
}

/* 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
Dmitry Antipov's avatar
Dmitry Antipov committed
1227
x_decode_color (struct frame *f, Lisp_Object arg, int def)
Geoff Voelker's avatar
Geoff Voelker committed
1228
{
1229
  XColor cdef;
Geoff Voelker's avatar
Geoff Voelker committed
1230

1231
  CHECK_STRING (arg);
Geoff Voelker's avatar
Geoff Voelker committed
1232

1233
  if (strcmp (SDATA (arg), "black") == 0)
Geoff Voelker's avatar
Geoff Voelker committed
1234
    return BLACK_PIX_DEFAULT (f);
1235
  else if (strcmp (SDATA (arg), "white") == 0)
Geoff Voelker's avatar
Geoff Voelker committed
1236 1237
    return WHITE_PIX_DEFAULT (f);

1238
  if ((FRAME_DISPLAY_INFO (f)->n_planes * FRAME_DISPLAY_INFO (f)->n_cbits) == 1)
Geoff Voelker's avatar
Geoff Voelker committed
1239 1240
    return def;

1241
  /* w32_defined_color is responsible for coping with failures
Geoff Voelker's avatar
Geoff Voelker committed
1242
     by looking for a near-mis