w32fns.c 223 KB
Newer Older
1
/* Graphical user interface functions for the Microsoft W32 API.
2
   Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
Glenn Morris's avatar
Glenn Morris committed
3
                 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Glenn Morris's avatar
Glenn Morris committed
4
                 Free Software Foundation, Inc.
Geoff Voelker's avatar
Geoff Voelker committed
5 6 7

This file is part of GNU Emacs.

8
GNU Emacs is free software: you can redistribute it and/or modify
Geoff Voelker's avatar
Geoff Voelker committed
9
it under the terms of the GNU General Public License as published by
10 11
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Geoff Voelker's avatar
Geoff Voelker committed
12 13 14 15 16 17 18

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
19
along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
Geoff Voelker's avatar
Geoff Voelker committed
20 21 22 23

/* Added by Kevin Gallo */

#include <config.h>
24 25

#include <signal.h>
Geoff Voelker's avatar
Geoff Voelker committed
26
#include <stdio.h>
27 28
#include <limits.h>
#include <errno.h>
Jason Rumney's avatar
Jason Rumney committed
29
#include <math.h>
30
#include <setjmp.h>
Geoff Voelker's avatar
Geoff Voelker committed
31 32 33 34 35 36

#include "lisp.h"
#include "w32term.h"
#include "frame.h"
#include "window.h"
#include "buffer.h"
37
#include "intervals.h"
38 39
#include "dispextern.h"
#include "keyboard.h"
Geoff Voelker's avatar
Geoff Voelker committed
40
#include "blockinput.h"
41
#include "epaths.h"
42 43
#include "character.h"
#include "charset.h"
44
#include "coding.h"
45
#include "ccl.h"
46
#include "fontset.h"
47
#include "systime.h"
48 49
#include "termhooks.h"
#include "w32heap.h"
50 51

#include "bitmaps/gray.xbm"
Geoff Voelker's avatar
Geoff Voelker committed
52

53
#include <commctrl.h>
Geoff Voelker's avatar
Geoff Voelker committed
54
#include <commdlg.h>
Richard M. Stallman's avatar
Richard M. Stallman committed
55
#include <shellapi.h>
56
#include <ctype.h>
Kenichi Handa's avatar
Kenichi Handa committed
57
#include <winspool.h>
58
#include <objbase.h>
Geoff Voelker's avatar
Geoff Voelker committed
59

60
#include <dlgs.h>
Jason Rumney's avatar
Jason Rumney committed
61
#include <imm.h>
62 63
#define FILE_NAME_TEXT_FIELD edt1

64
#include "font.h"
65
#include "w32font.h"
66

67 68 69 70
#ifndef FOF_NO_CONNECTED_ELEMENTS
#define FOF_NO_CONNECTED_ELEMENTS 0x2000
#endif

71 72 73
void syms_of_w32fns ();
void globals_of_w32fns ();

Geoff Voelker's avatar
Geoff Voelker committed
74
extern void free_frame_menubar ();
75
extern double atof ();
76 77 78
extern int w32_console_toggle_lock_key P_ ((int, Lisp_Object));
extern void w32_menu_display_help P_ ((HWND, HMENU, UINT, UINT));
extern void w32_free_menu_strings P_ ((HWND));
79
extern const char *map_w32_filename P_ ((const char *, const char **));
80

81
extern int quit_char;
Geoff Voelker's avatar
Geoff Voelker committed
82

83 84
extern char *lispy_function_keys[];

Geoff Voelker's avatar
Geoff Voelker committed
85
/* The colormap for converting color names to RGB values */
86
Lisp_Object Vw32_color_map;
Geoff Voelker's avatar
Geoff Voelker committed
87

Geoff Voelker's avatar
Geoff Voelker committed
88
/* Non nil if alt key presses are passed on to Windows.  */
89
Lisp_Object Vw32_pass_alt_to_system;
Geoff Voelker's avatar
Geoff Voelker committed
90

91 92
/* Non nil if alt key is translated to meta_modifier, nil if it is translated
   to alt_modifier.  */
93
Lisp_Object Vw32_alt_is_meta;
94

95
/* If non-zero, the windows virtual key code for an alternative quit key. */
96
int w32_quit_key;
97

98 99 100 101 102 103 104 105
/* Non nil if left window key events are passed on to Windows (this only
   affects whether "tapping" the key opens the Start menu).  */
Lisp_Object Vw32_pass_lwindow_to_system;

/* Non nil if right window key events are passed on to Windows (this
   only affects whether "tapping" the key opens the Start menu).  */
Lisp_Object Vw32_pass_rwindow_to_system;

106 107 108 109
/* Virtual key code used to generate "phantom" key presses in order
   to stop system from acting on Windows key events.  */
Lisp_Object Vw32_phantom_key_code;

110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129
/* Modifier associated with the left "Windows" key, or nil to act as a
   normal key.  */
Lisp_Object Vw32_lwindow_modifier;

/* Modifier associated with the right "Windows" key, or nil to act as a
   normal key.  */
Lisp_Object Vw32_rwindow_modifier;

/* Modifier associated with the "Apps" key, or nil to act as a normal
   key.  */
Lisp_Object Vw32_apps_modifier;

/* Value is nil if Num Lock acts as a function key.  */
Lisp_Object Vw32_enable_num_lock;

/* Value is nil if Caps Lock acts as a function key.  */
Lisp_Object Vw32_enable_caps_lock;

/* Modifier associated with Scroll Lock, or nil to act as a normal key.  */
Lisp_Object Vw32_scroll_lock_modifier;
Geoff Voelker's avatar
Geoff Voelker committed
130

131
/* Switch to control whether we inhibit requests for synthesized bold
132
   and italic versions of fonts.  */
133
int w32_enable_synthesized_fonts;
134 135

/* Enable palette management. */
136
Lisp_Object Vw32_enable_palette;
137 138 139

/* Control how close left/right button down events must be to
   be converted to a middle button down event. */
140
int w32_mouse_button_tolerance;
141

142 143
/* Minimum interval between mouse movement (and scroll bar drag)
   events that are passed on to the event loop. */
144
int w32_mouse_move_interval;
145

146
/* Flag to indicate if XBUTTON events should be passed on to Windows.  */
147
static int w32_pass_extra_mouse_buttons_to_system;
148

149
/* Flag to indicate if media keys should be passed on to Windows.  */
150
static int w32_pass_multimedia_buttons_to_system;
151

Geoff Voelker's avatar
Geoff Voelker committed
152 153 154
/* Non nil if no window manager is in use.  */
Lisp_Object Vx_no_window_manager;

155 156 157 158 159
/* If non-zero, a w32 timer that, when it expires, displays an
   hourglass cursor on all frames.  */
static unsigned hourglass_timer = 0;
static HWND hourglass_hwnd = NULL;

160
#if 0 /* TODO: Mouse cursor customization.  */
Geoff Voelker's avatar
Geoff Voelker committed
161 162 163
/* 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;
164
Lisp_Object Vx_hourglass_pointer_shape, Vx_window_horizontal_drag_shape;
165

Geoff Voelker's avatar
Geoff Voelker committed
166
/* The shape when over mouse-sensitive text.  */
167

Geoff Voelker's avatar
Geoff Voelker committed
168
Lisp_Object Vx_sensitive_text_pointer_shape;
169
#endif
Geoff Voelker's avatar
Geoff Voelker committed
170

171 172 173 174
#ifndef IDC_HAND
#define IDC_HAND MAKEINTRESOURCE(32649)
#endif

Geoff Voelker's avatar
Geoff Voelker committed
175 176 177
/* Color of chars displayed in cursor box.  */
Lisp_Object Vx_cursor_fore_pixel;

178
/* Nonzero if using Windows.  */
179

180 181
static int w32_in_use;

182
/* Regexp matching a font name whose width is the same as `PIXEL_SIZE'.  */
183

184 185
Lisp_Object Vx_pixel_size_width_font_regexp;

186 187 188
/* Alist of bdf fonts and the files that define them.  */
Lisp_Object Vw32_bdf_filename_alist;

189
/* A flag to control whether fonts are matched strictly or not.  */
190
static int w32_strict_fontnames;
191

192 193
/* A flag to control whether we should only repaint if GetUpdateRect
   indicates there is an update region.  */
194
static int w32_strict_painting;
195

Geoff Voelker's avatar
Geoff Voelker committed
196 197 198
Lisp_Object Qnone;
Lisp_Object Qsuppress_icon;
Lisp_Object Qundefined_color;
199
Lisp_Object Qcancel_timer;
200
Lisp_Object Qfont_param;
201 202 203 204 205 206 207 208
Lisp_Object Qhyper;
Lisp_Object Qsuper;
Lisp_Object Qmeta;
Lisp_Object Qalt;
Lisp_Object Qctrl;
Lisp_Object Qcontrol;
Lisp_Object Qshift;

209

210
/* The ANSI codepage.  */
211
int w32_ansi_code_page;
212

213 214 215 216
/* Prefix for system colors.  */
#define SYSTEM_COLOR_PREFIX "System"
#define SYSTEM_COLOR_PREFIX_LEN (sizeof (SYSTEM_COLOR_PREFIX) - 1)

217 218 219 220 221 222
/* State variables for emulating a three button mouse. */
#define LMOUSE 1
#define MMOUSE 2
#define RMOUSE 4

static int button_state = 0;
223
static W32Msg saved_mouse_button_msg;
224
static unsigned mouse_button_timer = 0;	/* non-zero when timer is active */
225
static W32Msg saved_mouse_move_msg;
226
static unsigned mouse_move_timer = 0;
227

228 229
/* Window that is tracking the mouse.  */
static HWND track_mouse_window;
230

231 232 233 234 235 236 237 238 239 240 241 242 243 244 245
/* 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
/* 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;
};

246 247 248 249 250
/* Reportedly, VS 6 does not have this in its headers.  */
#if defined(_MSC_VER) && _MSC_VER < 1300
DECLARE_HANDLE(HMONITOR);
#endif

251 252
typedef BOOL (WINAPI * TrackMouseEvent_Proc)
  (IN OUT LPTRACKMOUSEEVENT lpEventTrack);
Jason Rumney's avatar
Jason Rumney committed
253 254 255
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);
256 257 258
typedef HWND (WINAPI * ImmReleaseContext_Proc) (IN HWND wnd, IN HIMC context);
typedef HWND (WINAPI * ImmSetCompositionWindow_Proc) (IN HIMC context,
						      IN COMPOSITIONFORM *form);
259 260 261
typedef HMONITOR (WINAPI * MonitorFromPoint_Proc) (IN POINT pt, IN DWORD flags);
typedef BOOL (WINAPI * GetMonitorInfo_Proc)
  (IN HMONITOR monitor, OUT struct MONITOR_INFO* info);
262

263 264
TrackMouseEvent_Proc track_mouse_event_fn = NULL;
ClipboardSequence_Proc clipboard_sequence_fn = NULL;
Jason Rumney's avatar
Jason Rumney committed
265 266
ImmGetCompositionString_Proc get_composition_string_fn = NULL;
ImmGetContext_Proc get_ime_context_fn = NULL;
267 268
ImmReleaseContext_Proc release_ime_context_fn = NULL;
ImmSetCompositionWindow_Proc set_ime_composition_window_fn = NULL;
269 270
MonitorFromPoint_Proc monitor_from_point_fn = NULL;
GetMonitorInfo_Proc get_monitor_info_fn = NULL;
Jason Rumney's avatar
Jason Rumney committed
271

272
extern AppendMenuW_Proc unicode_append_menu;
273

Jason Rumney's avatar
Jason Rumney committed
274 275 276
/* Flag to selectively ignore WM_IME_CHAR messages.  */
static int ignore_ime_char = 0;

277
/* W95 mousewheel handler */
Juanma Barranquero's avatar
Juanma Barranquero committed
278
unsigned int msh_mousewheel = 0;
279

280
/* Timers */
281 282
#define MOUSE_BUTTON_ID	1
#define MOUSE_MOVE_ID	2
283
#define MENU_FREE_ID 3
284
#define HOURGLASS_ID 4
285 286 287 288
/* The delay (milliseconds) before a menu is freed after WM_EXITMENULOOP
   is received.  */
#define MENU_FREE_DELAY 1000
static unsigned menu_free_timer = 0;
289

Geoff Voelker's avatar
Geoff Voelker committed
290
/* The below are defined in frame.c.  */
291

Geoff Voelker's avatar
Geoff Voelker committed
292 293
extern Lisp_Object Vwindow_system_version;

294 295 296 297 298
#ifdef GLYPH_DEBUG
int image_cache_refcount, dpyinfo_refcount;
#endif


299
/* From w32term.c. */
300
extern int w32_num_mouse_buttons;
301
extern Lisp_Object Vw32_recognize_altgr;
302

303
extern HWND w32_system_caret_hwnd;
304

305 306 307
extern int w32_system_caret_height;
extern int w32_system_caret_x;
extern int w32_system_caret_y;
308 309
extern int w32_use_visible_system_caret;

310
static HWND w32_visible_system_caret_hwnd;
311

312 313
/* From w32menu.c  */
extern HMENU current_popup_menu;
314
static int menubar_in_use = 0;
315

316 317 318 319
/* From w32uniscribe.c  */
extern void syms_of_w32uniscribe ();
extern int uniscribe_available;

320
/* Function prototypes for hourglass support.  */
321 322
static void w32_show_hourglass P_ ((struct frame *));
static void w32_hide_hourglass P_ ((void));
323 324


Geoff Voelker's avatar
Geoff Voelker committed
325

326 327 328 329 330 331 332 333 334 335
/* 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.  */
Juanma Barranquero's avatar
Juanma Barranquero committed
336

337 338 339 340 341 342
int
have_menus_p ()
{
  return w32_in_use;
}

Geoff Voelker's avatar
Geoff Voelker committed
343
/* Extract a frame as a FRAME_PTR, defaulting to the selected frame
344
   and checking validity for W32.  */
Geoff Voelker's avatar
Geoff Voelker committed
345 346 347 348 349 350 351 352

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

  if (NILP (frame))
353
    frame = selected_frame;
354
  CHECK_LIVE_FRAME (frame);
355
  f = XFRAME (frame);
356
  if (! FRAME_W32_P (f))
357
    error ("Non-W32 frame used");
Geoff Voelker's avatar
Geoff Voelker committed
358 359 360
  return f;
}

Juanma Barranquero's avatar
Juanma Barranquero committed
361
/* Let the user specify a display with a frame.
362
   nil stands for the selected frame--or, if that is not a w32 frame,
Geoff Voelker's avatar
Geoff Voelker committed
363 364
   the first display on the list.  */

365
struct w32_display_info *
Geoff Voelker's avatar
Geoff Voelker committed
366 367 368 369 370
check_x_display_info (frame)
     Lisp_Object frame;
{
  if (NILP (frame))
    {
371
      struct frame *sf = XFRAME (selected_frame);
Juanma Barranquero's avatar
Juanma Barranquero committed
372

373 374
      if (FRAME_W32_P (sf) && FRAME_LIVE_P (sf))
	return FRAME_W32_DISPLAY_INFO (sf);
Geoff Voelker's avatar
Geoff Voelker committed
375
      else
376
	return &one_w32_display_info;
Geoff Voelker's avatar
Geoff Voelker committed
377 378 379 380 381 382 383
    }
  else if (STRINGP (frame))
    return x_display_info_for_name (frame);
  else
    {
      FRAME_PTR f;

384
      CHECK_LIVE_FRAME (frame);
Geoff Voelker's avatar
Geoff Voelker committed
385
      f = XFRAME (frame);
386
      if (! FRAME_W32_P (f))
387
	error ("Non-W32 frame used");
388
      return FRAME_W32_DISPLAY_INFO (f);
Geoff Voelker's avatar
Geoff Voelker committed
389 390 391
    }
}

392
/* Return the Emacs frame-object corresponding to an w32 window.
Geoff Voelker's avatar
Geoff Voelker committed
393 394 395 396 397 398
   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)
399
     struct w32_display_info *dpyinfo;
Geoff Voelker's avatar
Geoff Voelker committed
400 401 402 403 404
     HWND wdesc;
{
  Lisp_Object tail, frame;
  struct frame *f;

405
  for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail))
Geoff Voelker's avatar
Geoff Voelker committed
406
    {
407
      frame = XCAR (tail);
408
      if (!FRAMEP (frame))
Geoff Voelker's avatar
Geoff Voelker committed
409 410
        continue;
      f = XFRAME (frame);
411
      if (!FRAME_W32_P (f) || FRAME_W32_DISPLAY_INFO (f) != dpyinfo)
Geoff Voelker's avatar
Geoff Voelker committed
412
	continue;
413

414
      if (FRAME_W32_WINDOW (f) == wdesc)
Geoff Voelker's avatar
Geoff Voelker committed
415 416 417 418 419 420
        return f;
    }
  return 0;
}


421 422
static Lisp_Object unwind_create_frame P_ ((Lisp_Object));
static Lisp_Object unwind_create_tip_frame P_ ((Lisp_Object));
423 424
static void my_create_window P_ ((struct frame *));
static void my_create_tip_window P_ ((struct frame *));
425

426
/* TODO: Native Input Method support; see x_create_im.  */
427 428 429 430 431 432 433 434 435 436 437 438
void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_background_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_mouse_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_cursor_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_border_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_cursor_type P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_icon_type P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_icon_name P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_explicitly_set_name P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_title P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
439 440
static void x_edge_detection P_ ((struct frame *, struct image *, Lisp_Object,
				  Lisp_Object));
Geoff Voelker's avatar
Geoff Voelker committed
441 442 443 444 445 446 447 448 449 450 451 452 453 454




/* 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;
Jason Rumney's avatar
Jason Rumney committed
455
  RECT rect;
456

457 458
  /* Get the bounds of the WM window.  */
  GetWindowRect (FRAME_W32_WINDOW (f), &rect);
Jason Rumney's avatar
Jason Rumney committed
459

460 461
  pt.x = 0;
  pt.y = 0;
Geoff Voelker's avatar
Geoff Voelker committed
462

463 464
  /* Convert (0, 0) in the client area to screen co-ordinates.  */
  ClientToScreen (FRAME_W32_WINDOW (f), &pt);
Geoff Voelker's avatar
Geoff Voelker committed
465

Jason Rumney's avatar
Jason Rumney committed
466
  /* Remember x_pixels_diff and y_pixels_diff.  */
467 468
  f->x_pixels_diff = pt.x - rect.left;
  f->y_pixels_diff = pt.y - rect.top;
Jason Rumney's avatar
Jason Rumney committed
469

470 471
  *xptr = rect.left;
  *yptr = rect.top;
Geoff Voelker's avatar
Geoff Voelker committed
472 473 474 475
}



476 477
DEFUN ("w32-define-rgb-color", Fw32_define_rgb_color,
       Sw32_define_rgb_color, 4, 4, 0,
478
       doc: /* Convert RGB numbers to a Windows color reference and associate with NAME.
479
This adds or updates a named color to `w32-color-map', making it
480 481
available for use.  The original entry's RGB ref is returned, or nil
if the entry is new.  */)
482 483
    (red, green, blue, name)
    Lisp_Object red, green, blue, name;
Geoff Voelker's avatar
Geoff Voelker committed
484
{
485 486 487 488
  Lisp_Object rgb;
  Lisp_Object oldrgb = Qnil;
  Lisp_Object entry;

489 490 491 492
  CHECK_NUMBER (red);
  CHECK_NUMBER (green);
  CHECK_NUMBER (blue);
  CHECK_STRING (name);
Geoff Voelker's avatar
Geoff Voelker committed
493

494
  XSETINT (rgb, RGB (XUINT (red), XUINT (green), XUINT (blue)));
Geoff Voelker's avatar
Geoff Voelker committed
495

496
  BLOCK_INPUT;
Geoff Voelker's avatar
Geoff Voelker committed
497

498 499
  /* replace existing entry in w32-color-map or add new entry. */
  entry = Fassoc (name, Vw32_color_map);
500 501 502
  if (NILP (entry))
    {
      entry = Fcons (name, rgb);
503
      Vw32_color_map = Fcons (entry, Vw32_color_map);
504 505 506 507 508 509 510 511 512 513
    }
  else
    {
      oldrgb = Fcdr (entry);
      Fsetcdr (entry, rgb);
    }

  UNBLOCK_INPUT;

  return (oldrgb);
Geoff Voelker's avatar
Geoff Voelker committed
514 515
}

516
/* The default colors for the w32 color map */
Juanma Barranquero's avatar
Juanma Barranquero committed
517
typedef struct colormap_t
Geoff Voelker's avatar
Geoff Voelker committed
518 519 520 521 522
{
  char *name;
  COLORREF colorref;
} colormap_t;

Juanma Barranquero's avatar
Juanma Barranquero committed
523
colormap_t w32_color_map[] =
Geoff Voelker's avatar
Geoff Voelker committed
524
{
525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764
  {"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
765 766
};

767
DEFUN ("w32-default-color-map", Fw32_default_color_map, Sw32_default_color_map,
768
       0, 0, 0, doc: /* Return the default color map.  */)
Geoff Voelker's avatar
Geoff Voelker committed
769 770 771
     ()
{
  int i;
772
  colormap_t *pc = w32_color_map;
Geoff Voelker's avatar
Geoff Voelker committed
773
  Lisp_Object cmap;
Juanma Barranquero's avatar
Juanma Barranquero committed
774

Geoff Voelker's avatar
Geoff Voelker committed
775
  BLOCK_INPUT;
Juanma Barranquero's avatar
Juanma Barranquero committed
776

Geoff Voelker's avatar
Geoff Voelker committed
777
  cmap = Qnil;
Juanma Barranquero's avatar
Juanma Barranquero committed
778 779

  for (i = 0; i < sizeof (w32_color_map) / sizeof (w32_color_map[0]);
Geoff Voelker's avatar
Geoff Voelker committed
780 781 782 783
       pc++, i++)
    cmap = Fcons (Fcons (build_string (pc->name),
			 make_number (pc->colorref)),
		  cmap);
Juanma Barranquero's avatar
Juanma Barranquero committed
784

Geoff Voelker's avatar
Geoff Voelker committed
785
  UNBLOCK_INPUT;
Juanma Barranquero's avatar
Juanma Barranquero committed
786

Geoff Voelker's avatar
Geoff Voelker committed
787 788 789
  return (cmap);
}

790
static Lisp_Object
791
w32_to_x_color (rgb)
Geoff Voelker's avatar
Geoff Voelker committed
792 793 794
     Lisp_Object rgb;
{
  Lisp_Object color;
Juanma Barranquero's avatar
Juanma Barranquero committed
795

796
  CHECK_NUMBER (rgb);
Juanma Barranquero's avatar
Juanma Barranquero committed
797

Geoff Voelker's avatar
Geoff Voelker committed
798
  BLOCK_INPUT;
Juanma Barranquero's avatar
Juanma Barranquero committed
799

800
  color = Frassq (rgb, Vw32_color_map);
Juanma Barranquero's avatar
Juanma Barranquero committed
801

Geoff Voelker's avatar
Geoff Voelker committed
802
  UNBLOCK_INPUT;
Juanma Barranquero's avatar
Juanma Barranquero committed
803

Geoff Voelker's avatar
Geoff Voelker committed
804 805 806 807 808 809
  if (!NILP (color))
    return (Fcar (color));
  else
    return Qnil;
}

810
static Lisp_Object
811 812 813 814 815 816 817
w32_color_map_lookup (colorname)
     char *colorname;
{
  Lisp_Object tail, ret = Qnil;

  BLOCK_INPUT;

818
  for (tail = Vw32_color_map; CONSP (tail); tail = XCDR (tail))
819 820 821
    {
      register Lisp_Object elt, tem;

822
      elt = XCAR (tail);
823 824 825 826
      if (!CONSP (elt)) continue;

      tem = Fcar (elt);

827
      if (lstrcmpi (SDATA (tem), colorname) == 0)
828
	{
829
	  ret = Fcdr (elt);
830 831 832 833 834 835 836 837 838 839 840 841
	  break;
	}

      QUIT;
    }


  UNBLOCK_INPUT;

  return ret;
}

842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891

static void
add_system_logical_colors_to_map (system_colors)
     Lisp_Object *system_colors;
{
  HKEY colors_key;

  /* Other registry operations are done with input blocked.  */
  BLOCK_INPUT;

  /* 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);
    }

  UNBLOCK_INPUT;
}


892
static Lisp_Object
893
x_to_w32_color (colorname)
Geoff Voelker's avatar
Geoff Voelker committed
894 895
     char * colorname;
{
896 897
  register Lisp_Object ret = Qnil;

Geoff Voelker's avatar
Geoff Voelker committed
898
  BLOCK_INPUT;
899 900 901 902 903 904 905

  if (colorname[0] == '#')
    {
      /* Could be an old-style RGB Device specification.  */
      char *color;
      int size;
      color = colorname + 1;
Juanma Barranquero's avatar
Juanma Barranquero committed
906

907
      size = strlen (color);
908 909 910 911 912 913 914
      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
915

916 917 918 919 920 921 922 923 924
	  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.  */
925
	      if (!isxdigit (color[0]) || color[1] == 'x')
926 927 928
		break;
	      t = color[size];
	      color[size] = '\0';
929
	      value = strtoul (color, &end, 16);
930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951
	      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;
952 953
		  XSETINT (ret, colorval);
		  return ret;
954 955 956 957 958
		}
	      color = end;
	    }
	}
    }
959
  else if (strnicmp (colorname, "rgb:", 4) == 0)
960 961 962 963 964 965 966 967 968 969 970 971
    {
      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;
Juanma Barranquero's avatar
Juanma Barranquero committed
972

973 974 975
	  /* 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.  */
976
	  if (!isxdigit (color[0]) || color[1] == 'x')
977
	    break;
978
	  value = strtoul (color, &end, 16);
979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005
	  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;
1006 1007
	      XSETINT (ret, colorval);
	      return ret;
1008 1009 1010 1011 1012 1013
	    }
	  if (*end != '/')
	    break;
	  color = end + 1;
	}
    }
1014
  else if (strnicmp (colorname, "rgbi:", 5) == 0)
1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029
    {
      /* 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;

1030
	  value = strtod (color, &end);
1031 1032 1033 1034 1035
	  if (errno == ERANGE)
	    break;
	  if (value < 0.0 || value > 1.0)
	    break;
	  val = (UINT)(0x100 * value);
Juanma Barranquero's avatar
Juanma Barranquero committed
1036
	  /* We used 0x100 instead of 0xFF to give a continuous
1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047
             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;
1048 1049
	      XSETINT (ret, colorval);
	      return ret;
1050 1051 1052 1053 1054 1055 1056 1057 1058
	    }
	  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.  */
1059 1060

  /* If we fail to lookup the color name in w32_color_map, then check the
Juanma Barranquero's avatar
Juanma Barranquero committed
1061
     colorname to see if it can be crudely approximated: If the X color
1062 1063 1064
     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
1065
  if (NILP (ret))
Geoff Voelker's avatar
Geoff Voelker committed
1066
    {
1067
      int len = strlen (colorname);
Geoff Voelker's avatar
Geoff Voelker committed
1068

Juanma Barranquero's avatar
Juanma Barranquero committed
1069
      if (isdigit (colorname[len - 1]))
1070
	{
1071
	  char *ptr, *approx = alloca (len + 1);
Geoff Voelker's avatar
Geoff Voelker committed
1072

1073 1074
	  strcpy (approx, colorname);
	  ptr = &approx[len - 1];
Juanma Barranquero's avatar
Juanma Barranquero committed
1075
	  while (ptr > approx && isdigit (*ptr))
1076
	      *ptr-- = '\0';
Geoff Voelker's avatar
Geoff Voelker committed
1077

1078
	  ret = w32_color_map_lookup (approx);
Geoff Voelker's avatar
Geoff Voelker committed
1079 1080
	}
    }
Juanma Barranquero's avatar
Juanma Barranquero committed
1081

Geoff Voelker's avatar
Geoff Voelker committed
1082 1083 1084 1085
  UNBLOCK_INPUT;
  return ret;
}

1086
void
1087
w32_regenerate_palette (FRAME_PTR f)
1088
{
1089
  struct w32_palette_entry * list;
1090 1091 1092 1093 1094
  LOGPALETTE *          log_palette;
  HPALETTE              new_palette;
  int                   i;

  /* don't bother trying to create palette if not supported */
1095
  if (! FRAME_W32_DISPLAY_INFO (f)->has_palette)
1096 1097 1098 1099
    return;

  log_palette = (LOGPALETTE *)
    alloca (sizeof (LOGPALETTE) +
1100
	     FRAME_W32_DISPLAY_INFO (f)->num_colors * sizeof (PALETTEENTRY));
1101
  log_palette->palVersion = 0x300;
1102
  log_palette->palNumEntries = FRAME_W32_DISPLAY_INFO (f)->num_colors;
1103

1104
  list = FRAME_W32_DISPLAY_INFO (f)->color_list;
1105
  for (i = 0;
1106
       i < FRAME_W32_DISPLAY_INFO (f)->num_colors;
1107 1108 1109 1110 1111 1112 1113
       i++, list = list->next)
    log_palette->palPalEntry[i] = list->entry;

  new_palette = CreatePalette (log_palette);

  enter_crit ();

1114 1115 1116
  if (FRAME_W32_DISPLAY_INFO (f)->palette)
    DeleteObject (FRAME_W32_DISPLAY_INFO (f)->palette);
  FRAME_W32_DISPLAY_INFO (f)->palette = new_palette;
1117 1118 1119 1120 1121 1122 1123

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

  leave_crit ();
}

1124 1125
#define W32_COLOR(pe)  RGB (pe.peRed, pe.peGreen, pe.peBlue)
#define SET_W32_COLOR(pe, color) \
1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136
  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
1137
w32_map_color (FRAME_PTR f, COLORREF color)
1138
{
1139
  struct w32_palette_entry * list = FRAME_W32_DISPLAY_INFO (f)->color_list;
1140

1141
  if (NILP (Vw32_enable_palette))
1142 1143 1144 1145 1146
    return;

  /* check if color is already mapped */
  while (list)
    {
1147
      if (W32_COLOR (list->entry) == color)
1148 1149 1150 1151 1152 1153 1154 1155
        {
	  ++list->refcount;
	  return;
	}
      list = list->next;
    }

  /* not already mapped, so add to list and recreate Windows palette */
1156 1157 1158
  list = (struct w32_palette_entry *)
    xmalloc (sizeof (struct w32_palette_entry));
  SET_W32_COLOR (list->entry, color);
1159
  list->refcount = 1;
1160 1161 1162
  list->next = FRAME_W32_DISPLAY_INFO (f)->color_list;
  FRAME_W32_DISPLAY_INFO (f)->color_list = list;
  FRAME_W32_DISPLAY_INFO (f)->num_colors++;
1163 1164

  /* set flag that palette must be regenerated */
1165
  FRAME_W32_DISPLAY_INFO (f)->regen_palette = TRUE;
1166 1167 1168
}

void
1169
w32_unmap_color (FRAME_PTR f, COLORREF color)
1170
{
1171 1172
  struct w32_palette_entry * list = FRAME_W32_DISPLAY_INFO (f)->color_list;
  struct w32_palette_entry **prev = &FRAME_W32_DISPLAY_INFO (f)->color_list;
1173

1174
  if (NILP (Vw32_enable_palette))
1175 1176 1177 1178 1179
    return;

  /* check if color is already mapped */
  while (list)
    {
1180
      if (W32_COLOR (list->entry) == color)
1181 1182 1183 1184 1185
        {
	  if (--list->refcount == 0)
	    {
	      *prev = list->next;
	      xfree (list);
1186
	      FRAME_W32_DISPLAY_INFO (f)->num_colors--;
1187 1188 1189 1190 1191 1192 1193 1194 1195 1196
	      break;
	    }
	  else
	    return;
	}
      prev = &list->next;
      list = list->next;
    }

  /* set flag that palette must be regenerated */
1197
  FRAME_W32_DISPLAY_INFO (f)->regen_palette = TRUE;
1198 1199 1200
}
#endif

1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218

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

void
gamma_correct (f, color)
     struct frame *f;
     COLORREF *color;
{
  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
1219 1220 1221 1222 1223
/* 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
1224
w32_defined_color (f, color, color_def, alloc)
Geoff Voelker's avatar
Geoff Voelker committed
1225 1226
     FRAME_PTR f;
     char *color;
1227
     XColor *color_def;
Geoff Voelker's avatar
Geoff Voelker committed
1228 1229 1230
     int alloc;
{
  register Lisp_Object tem;
1231
  COLORREF w32_color_ref;
1232

1233
  tem = x_to_w32_color (color);
1234

Juanma Barranquero's avatar
Juanma Barranquero committed
1235
  if (!NILP (tem))
Geoff Voelker's avatar
Geoff Voelker committed
1236
    {
1237 1238 1239 1240 1241 1242 1243
      if (f)
        {
          /* Apply gamma correction.  */
          w32_color_ref = XUINT (tem);
          gamma_correct (f, &w32_color_ref);
          XSETINT (tem, w32_color_ref);
        }
1244 1245

      /* Map this color to the palette if it is enabled. */
1246
      if (!NILP (Vw32_enable_palette))
1247
	{
1248
	  struct w32_palette_entry * entry =
1249
	    one_w32_display_info.color_list;
1250
	  struct w32_palette_entry ** prev =
1251
	    &one_w32_display_info.