w32fns.c 281 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 4
                 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
                 Free Software Foundation, Inc.
Geoff Voelker's avatar
Geoff Voelker committed
5 6 7 8 9

This file is part of GNU Emacs.

GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
10
the Free Software Foundation; either version 3, or (at your option)
Geoff Voelker's avatar
Geoff Voelker committed
11 12 13 14 15 16 17 18 19
any later version.

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

You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING.  If not, write to
Lute Kamstra's avatar
Lute Kamstra committed
20 21
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.  */
Geoff Voelker's avatar
Geoff Voelker committed
22 23 24 25

/* Added by Kevin Gallo */

#include <config.h>
Geoff Voelker's avatar
Geoff Voelker committed
26 27

#include <signal.h>
Geoff Voelker's avatar
Geoff Voelker committed
28
#include <stdio.h>
Geoff Voelker's avatar
Geoff Voelker committed
29 30
#include <limits.h>
#include <errno.h>
Jason Rumney's avatar
Jason Rumney committed
31
#include <math.h>
Geoff Voelker's avatar
Geoff Voelker committed
32 33 34 35 36 37

#include "lisp.h"
#include "w32term.h"
#include "frame.h"
#include "window.h"
#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 44
#include "character.h"
#include "charset.h"
45
#include "coding.h"
46
#include "ccl.h"
47
#include "fontset.h"
48
#include "systime.h"
49 50
#include "termhooks.h"
#include "w32heap.h"
51 52

#include "bitmaps/gray.xbm"
Geoff Voelker's avatar
Geoff Voelker committed
53

54
#include <commctrl.h>
Geoff Voelker's avatar
Geoff Voelker committed
55
#include <commdlg.h>
Richard M. Stallman's avatar
Richard M. Stallman committed
56
#include <shellapi.h>
57
#include <ctype.h>
Kenichi Handa's avatar
Kenichi Handa committed
58
#include <winspool.h>
59
#include <objbase.h>
Geoff Voelker's avatar
Geoff Voelker committed
60

61
#include <dlgs.h>
Jason Rumney's avatar
Jason Rumney committed
62
#include <imm.h>
63 64
#define FILE_NAME_TEXT_FIELD edt1

65 66 67 68
#ifdef USE_FONT_BACKEND
#include "font.h"
#endif

69 70 71
void syms_of_w32fns ();
void globals_of_w32fns ();

Geoff Voelker's avatar
Geoff Voelker committed
72
extern void free_frame_menubar ();
73
extern double atof ();
74 75 76
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));
77
extern XCharStruct *w32_per_char_metric P_ ((XFontStruct *, wchar_t *, int));
78

79
extern int quit_char;
Geoff Voelker's avatar
Geoff Voelker committed
80

81 82
extern char *lispy_function_keys[];

Geoff Voelker's avatar
Geoff Voelker committed
83
/* The colormap for converting color names to RGB values */
84
Lisp_Object Vw32_color_map;
Geoff Voelker's avatar
Geoff Voelker committed
85

Geoff Voelker's avatar
Geoff Voelker committed
86
/* Non nil if alt key presses are passed on to Windows.  */
87
Lisp_Object Vw32_pass_alt_to_system;
Geoff Voelker's avatar
Geoff Voelker committed
88

89 90
/* Non nil if alt key is translated to meta_modifier, nil if it is translated
   to alt_modifier.  */
91
Lisp_Object Vw32_alt_is_meta;
92

Andrew Innes's avatar
Andrew Innes committed
93
/* If non-zero, the windows virtual key code for an alternative quit key. */
94
int w32_quit_key;
Andrew Innes's avatar
Andrew Innes committed
95

96 97 98 99 100 101 102 103
/* 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;

104 105 106 107
/* 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;

108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127
/* 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
128

129
/* Switch to control whether we inhibit requests for synthesized bold
130
   and italic versions of fonts.  */
131
int w32_enable_synthesized_fonts;
132 133

/* Enable palette management. */
134
Lisp_Object Vw32_enable_palette;
135 136 137

/* Control how close left/right button down events must be to
   be converted to a middle button down event. */
138
int w32_mouse_button_tolerance;
139

140 141
/* Minimum interval between mouse movement (and scroll bar drag)
   events that are passed on to the event loop. */
142
int w32_mouse_move_interval;
143

144
/* Flag to indicate if XBUTTON events should be passed on to Windows.  */
145
static int w32_pass_extra_mouse_buttons_to_system;
146

147
/* Flag to indicate if media keys should be passed on to Windows.  */
148
static int w32_pass_multimedia_buttons_to_system;
149

Geoff Voelker's avatar
Geoff Voelker committed
150 151 152
/* Non nil if no window manager is in use.  */
Lisp_Object Vx_no_window_manager;

153
/* Non-zero means we're allowed to display a hourglass pointer.  */
154

155
int display_hourglass_p;
156

157 158 159 160 161
/* 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;

Geoff Voelker's avatar
Geoff Voelker committed
162 163
/* The background and shape of the mouse pointer, and shape when not
   over text or in the modeline.  */
164

Geoff Voelker's avatar
Geoff Voelker committed
165
Lisp_Object Vx_pointer_shape, Vx_nontext_pointer_shape, Vx_mode_pointer_shape;
166
Lisp_Object Vx_hourglass_pointer_shape, Vx_window_horizontal_drag_shape;
167

Geoff Voelker's avatar
Geoff Voelker committed
168
/* The shape when over mouse-sensitive text.  */
169

Geoff Voelker's avatar
Geoff Voelker committed
170 171
Lisp_Object Vx_sensitive_text_pointer_shape;

172 173 174 175
#ifndef IDC_HAND
#define IDC_HAND MAKEINTRESOURCE(32649)
#endif

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

Geoff Voelker's avatar
Geoff Voelker committed
178 179
Lisp_Object Vx_cursor_fore_pixel;

Geoff Voelker's avatar
Geoff Voelker committed
180
/* Nonzero if using Windows.  */
181

Geoff Voelker's avatar
Geoff Voelker committed
182 183
static int w32_in_use;

184
/* Regexp matching a font name whose width is the same as `PIXEL_SIZE'.  */
185

186 187
Lisp_Object Vx_pixel_size_width_font_regexp;

188 189 190
/* Alist of bdf fonts and the files that define them.  */
Lisp_Object Vw32_bdf_filename_alist;

191
/* A flag to control whether fonts are matched strictly or not.  */
192
static int w32_strict_fontnames;
193

194 195
/* A flag to control whether we should only repaint if GetUpdateRect
   indicates there is an update region.  */
196
static int w32_strict_painting;
197

198
/* Associative list linking character set strings to Windows codepages. */
199
static Lisp_Object Vw32_charset_info_alist;
200 201 202 203 204 205

/* VIETNAMESE_CHARSET is not defined in some versions of MSVC.  */
#ifndef VIETNAMESE_CHARSET
#define VIETNAMESE_CHARSET 163
#endif

Geoff Voelker's avatar
Geoff Voelker committed
206 207 208
Lisp_Object Qnone;
Lisp_Object Qsuppress_icon;
Lisp_Object Qundefined_color;
209
Lisp_Object Qcancel_timer;
210 211 212 213 214 215 216 217
Lisp_Object Qhyper;
Lisp_Object Qsuper;
Lisp_Object Qmeta;
Lisp_Object Qalt;
Lisp_Object Qctrl;
Lisp_Object Qcontrol;
Lisp_Object Qshift;

218 219 220 221
Lisp_Object Qw32_charset_ansi;
Lisp_Object Qw32_charset_default;
Lisp_Object Qw32_charset_symbol;
Lisp_Object Qw32_charset_shiftjis;
222
Lisp_Object Qw32_charset_hangeul;
223 224 225 226
Lisp_Object Qw32_charset_gb2312;
Lisp_Object Qw32_charset_chinesebig5;
Lisp_Object Qw32_charset_oem;

Andrew Innes's avatar
Andrew Innes committed
227 228 229
#ifndef JOHAB_CHARSET
#define JOHAB_CHARSET 130
#endif
230 231 232 233 234 235 236 237
#ifdef JOHAB_CHARSET
Lisp_Object Qw32_charset_easteurope;
Lisp_Object Qw32_charset_turkish;
Lisp_Object Qw32_charset_baltic;
Lisp_Object Qw32_charset_russian;
Lisp_Object Qw32_charset_arabic;
Lisp_Object Qw32_charset_greek;
Lisp_Object Qw32_charset_hebrew;
238
Lisp_Object Qw32_charset_vietnamese;
239 240 241 242 243 244 245 246 247
Lisp_Object Qw32_charset_thai;
Lisp_Object Qw32_charset_johab;
Lisp_Object Qw32_charset_mac;
#endif

#ifdef UNICODE_CHARSET
Lisp_Object Qw32_charset_unicode;
#endif

248
/* The ANSI codepage.  */
249
int w32_ansi_code_page;
250

251 252 253 254
/* Prefix for system colors.  */
#define SYSTEM_COLOR_PREFIX "System"
#define SYSTEM_COLOR_PREFIX_LEN (sizeof (SYSTEM_COLOR_PREFIX) - 1)

255 256 257 258 259 260
/* State variables for emulating a three button mouse. */
#define LMOUSE 1
#define MMOUSE 2
#define RMOUSE 4

static int button_state = 0;
261
static W32Msg saved_mouse_button_msg;
262
static unsigned mouse_button_timer = 0;	/* non-zero when timer is active */
263
static W32Msg saved_mouse_move_msg;
264
static unsigned mouse_move_timer = 0;
265

266 267
/* Window that is tracking the mouse.  */
static HWND track_mouse_window;
268

269 270 271 272 273 274 275 276 277 278 279 280 281 282 283
/* 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;
};

284 285
typedef BOOL (WINAPI * TrackMouseEvent_Proc)
  (IN OUT LPTRACKMOUSEEVENT lpEventTrack);
Jason Rumney's avatar
Jason Rumney committed
286 287 288
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);
289 290 291
typedef HMONITOR (WINAPI * MonitorFromPoint_Proc) (IN POINT pt, IN DWORD flags);
typedef BOOL (WINAPI * GetMonitorInfo_Proc)
  (IN HMONITOR monitor, OUT struct MONITOR_INFO* info);
292

293 294
TrackMouseEvent_Proc track_mouse_event_fn = NULL;
ClipboardSequence_Proc clipboard_sequence_fn = NULL;
Jason Rumney's avatar
Jason Rumney committed
295 296
ImmGetCompositionString_Proc get_composition_string_fn = NULL;
ImmGetContext_Proc get_ime_context_fn = NULL;
297 298
MonitorFromPoint_Proc monitor_from_point_fn = NULL;
GetMonitorInfo_Proc get_monitor_info_fn = NULL;
Jason Rumney's avatar
Jason Rumney committed
299

300
extern AppendMenuW_Proc unicode_append_menu;
301

Jason Rumney's avatar
Jason Rumney committed
302 303 304
/* Flag to selectively ignore WM_IME_CHAR messages.  */
static int ignore_ime_char = 0;

305
/* W95 mousewheel handler */
Juanma Barranquero's avatar
Juanma Barranquero committed
306
unsigned int msh_mousewheel = 0;
307

308
/* Timers */
309 310
#define MOUSE_BUTTON_ID	1
#define MOUSE_MOVE_ID	2
311
#define MENU_FREE_ID 3
312
#define HOURGLASS_ID 4
313 314 315 316
/* The delay (milliseconds) before a menu is freed after WM_EXITMENULOOP
   is received.  */
#define MENU_FREE_DELAY 1000
static unsigned menu_free_timer = 0;
317

Geoff Voelker's avatar
Geoff Voelker committed
318
/* The below are defined in frame.c.  */
319

Geoff Voelker's avatar
Geoff Voelker committed
320 321
extern Lisp_Object Vwindow_system_version;

322 323 324 325 326
#ifdef GLYPH_DEBUG
int image_cache_refcount, dpyinfo_refcount;
#endif


327
/* From w32term.c. */
328
extern int w32_num_mouse_buttons;
329
extern Lisp_Object Vw32_recognize_altgr;
330

331
extern HWND w32_system_caret_hwnd;
332

333 334 335
extern int w32_system_caret_height;
extern int w32_system_caret_x;
extern int w32_system_caret_y;
336 337
extern int w32_use_visible_system_caret;

338
static HWND w32_visible_system_caret_hwnd;
339

340 341
/* From w32menu.c  */
extern HMENU current_popup_menu;
342
static int menubar_in_use = 0;
343

344 345 346 347 348 349
/* From w32uniscribe.c  */
#ifdef USE_FONT_BACKEND
extern void syms_of_w32uniscribe ();
extern int uniscribe_available;
#endif

350 351 352 353 354
/* Function prototypes for hourglass support.  */
static void show_hourglass P_ ((struct frame *));
static void hide_hourglass P_ ((void));


Geoff Voelker's avatar
Geoff Voelker committed
355

Geoff Voelker's avatar
Geoff Voelker committed
356 357 358 359 360 361 362 363 364 365
/* 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
366

Geoff Voelker's avatar
Geoff Voelker committed
367 368 369 370 371 372
int
have_menus_p ()
{
  return w32_in_use;
}

Geoff Voelker's avatar
Geoff Voelker committed
373
/* Extract a frame as a FRAME_PTR, defaulting to the selected frame
374
   and checking validity for W32.  */
Geoff Voelker's avatar
Geoff Voelker committed
375 376 377 378 379 380 381 382

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

  if (NILP (frame))
383
    frame = selected_frame;
384
  CHECK_LIVE_FRAME (frame);
385
  f = XFRAME (frame);
386
  if (! FRAME_W32_P (f))
387
    error ("Non-W32 frame used");
Geoff Voelker's avatar
Geoff Voelker committed
388 389 390
  return f;
}

Juanma Barranquero's avatar
Juanma Barranquero committed
391
/* Let the user specify a display with a frame.
392
   nil stands for the selected frame--or, if that is not a w32 frame,
Geoff Voelker's avatar
Geoff Voelker committed
393 394
   the first display on the list.  */

395
struct w32_display_info *
Geoff Voelker's avatar
Geoff Voelker committed
396 397 398 399 400
check_x_display_info (frame)
     Lisp_Object frame;
{
  if (NILP (frame))
    {
401
      struct frame *sf = XFRAME (selected_frame);
Juanma Barranquero's avatar
Juanma Barranquero committed
402

403 404
      if (FRAME_W32_P (sf) && FRAME_LIVE_P (sf))
	return FRAME_W32_DISPLAY_INFO (sf);
Geoff Voelker's avatar
Geoff Voelker committed
405
      else
406
	return &one_w32_display_info;
Geoff Voelker's avatar
Geoff Voelker committed
407 408 409 410 411 412 413
    }
  else if (STRINGP (frame))
    return x_display_info_for_name (frame);
  else
    {
      FRAME_PTR f;

414
      CHECK_LIVE_FRAME (frame);
Geoff Voelker's avatar
Geoff Voelker committed
415
      f = XFRAME (frame);
416
      if (! FRAME_W32_P (f))
417
	error ("Non-W32 frame used");
418
      return FRAME_W32_DISPLAY_INFO (f);
Geoff Voelker's avatar
Geoff Voelker committed
419 420 421
    }
}

422
/* Return the Emacs frame-object corresponding to an w32 window.
Geoff Voelker's avatar
Geoff Voelker committed
423 424 425 426 427 428
   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)
429
     struct w32_display_info *dpyinfo;
Geoff Voelker's avatar
Geoff Voelker committed
430 431 432 433 434
     HWND wdesc;
{
  Lisp_Object tail, frame;
  struct frame *f;

435
  for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail))
Geoff Voelker's avatar
Geoff Voelker committed
436
    {
437
      frame = XCAR (tail);
438
      if (!FRAMEP (frame))
Geoff Voelker's avatar
Geoff Voelker committed
439 440
        continue;
      f = XFRAME (frame);
441
      if (!FRAME_W32_P (f) || FRAME_W32_DISPLAY_INFO (f) != dpyinfo)
Geoff Voelker's avatar
Geoff Voelker committed
442
	continue;
443

444
      if (FRAME_W32_WINDOW (f) == wdesc)
Geoff Voelker's avatar
Geoff Voelker committed
445 446 447 448 449 450
        return f;
    }
  return 0;
}


451 452
static Lisp_Object unwind_create_frame P_ ((Lisp_Object));
static Lisp_Object unwind_create_tip_frame P_ ((Lisp_Object));
453 454
static void my_create_window P_ ((struct frame *));
static void my_create_tip_window P_ ((struct frame *));
455

456
/* TODO: Native Input Method support; see x_create_im.  */
457 458 459 460 461 462 463 464 465 466 467 468
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));
469 470
static void x_edge_detection P_ ((struct frame *, struct image *, Lisp_Object,
				  Lisp_Object));
Geoff Voelker's avatar
Geoff Voelker committed
471 472 473 474 475 476 477 478 479 480 481 482 483 484




/* 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
485
  RECT rect;
486

487 488
  /* Get the bounds of the WM window.  */
  GetWindowRect (FRAME_W32_WINDOW (f), &rect);
Jason Rumney's avatar
Jason Rumney committed
489

490 491
  pt.x = 0;
  pt.y = 0;
Geoff Voelker's avatar
Geoff Voelker committed
492

493 494
  /* Convert (0, 0) in the client area to screen co-ordinates.  */
  ClientToScreen (FRAME_W32_WINDOW (f), &pt);
Geoff Voelker's avatar
Geoff Voelker committed
495

Jason Rumney's avatar
Jason Rumney committed
496
  /* Remember x_pixels_diff and y_pixels_diff.  */
497 498
  f->x_pixels_diff = pt.x - rect.left;
  f->y_pixels_diff = pt.y - rect.top;
Jason Rumney's avatar
Jason Rumney committed
499

500 501
  *xptr = rect.left;
  *yptr = rect.top;
Geoff Voelker's avatar
Geoff Voelker committed
502 503 504 505
}



506 507 508
DEFUN ("w32-define-rgb-color", Fw32_define_rgb_color,
       Sw32_define_rgb_color, 4, 4, 0,
       doc: /* Convert RGB numbers to a windows color reference and associate with NAME.
509
This adds or updates a named color to `w32-color-map', making it
510 511
available for use.  The original entry's RGB ref is returned, or nil
if the entry is new.  */)
512 513
    (red, green, blue, name)
    Lisp_Object red, green, blue, name;
Geoff Voelker's avatar
Geoff Voelker committed
514
{
515 516 517 518
  Lisp_Object rgb;
  Lisp_Object oldrgb = Qnil;
  Lisp_Object entry;

519 520 521 522
  CHECK_NUMBER (red);
  CHECK_NUMBER (green);
  CHECK_NUMBER (blue);
  CHECK_STRING (name);
Geoff Voelker's avatar
Geoff Voelker committed
523

524
  XSETINT (rgb, RGB (XUINT (red), XUINT (green), XUINT (blue)));
Geoff Voelker's avatar
Geoff Voelker committed
525

526
  BLOCK_INPUT;
Geoff Voelker's avatar
Geoff Voelker committed
527

528 529
  /* replace existing entry in w32-color-map or add new entry. */
  entry = Fassoc (name, Vw32_color_map);
530 531 532
  if (NILP (entry))
    {
      entry = Fcons (name, rgb);
533
      Vw32_color_map = Fcons (entry, Vw32_color_map);
534 535 536 537 538 539 540 541 542 543
    }
  else
    {
      oldrgb = Fcdr (entry);
      Fsetcdr (entry, rgb);
    }

  UNBLOCK_INPUT;

  return (oldrgb);
Geoff Voelker's avatar
Geoff Voelker committed
544 545
}

546 547 548
DEFUN ("w32-load-color-file", Fw32_load_color_file,
       Sw32_load_color_file, 1, 1, 0,
       doc: /* Create an alist of color entries from an external file.
549
Assign this value to `w32-color-map' to replace the existing color map.
550 551 552 553

The file should define one named RGB color per line like so:
  R G B   name
where R,G,B are numbers between 0 and 255 and name is an arbitrary string.  */)
554 555 556 557 558 559 560
    (filename)
    Lisp_Object filename;
{
  FILE *fp;
  Lisp_Object cmap = Qnil;
  Lisp_Object abspath;

561
  CHECK_STRING (filename);
562 563
  abspath = Fexpand_file_name (filename, Qnil);

564
  fp = fopen (SDATA (filename), "rt");
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
  if (fp)
    {
      char buf[512];
      int red, green, blue;
      int num;

      BLOCK_INPUT;

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

      UNBLOCK_INPUT;
    }

  return cmap;
}
Geoff Voelker's avatar
Geoff Voelker committed
592

593
/* The default colors for the w32 color map */
Juanma Barranquero's avatar
Juanma Barranquero committed
594
typedef struct colormap_t
Geoff Voelker's avatar
Geoff Voelker committed
595 596 597 598 599
{
  char *name;
  COLORREF colorref;
} colormap_t;

Juanma Barranquero's avatar
Juanma Barranquero committed
600
colormap_t w32_color_map[] =
Geoff Voelker's avatar
Geoff Voelker committed
601
{
602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841
  {"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
842 843
};

844
DEFUN ("w32-default-color-map", Fw32_default_color_map, Sw32_default_color_map,
845
       0, 0, 0, doc: /* Return the default color map.  */)
Geoff Voelker's avatar
Geoff Voelker committed
846 847 848
     ()
{
  int i;
849
  colormap_t *pc = w32_color_map;
Geoff Voelker's avatar
Geoff Voelker committed
850
  Lisp_Object cmap;
Juanma Barranquero's avatar
Juanma Barranquero committed
851

Geoff Voelker's avatar
Geoff Voelker committed
852
  BLOCK_INPUT;
Juanma Barranquero's avatar
Juanma Barranquero committed
853

Geoff Voelker's avatar
Geoff Voelker committed
854
  cmap = Qnil;
Juanma Barranquero's avatar
Juanma Barranquero committed
855 856

  for (i = 0; i < sizeof (w32_color_map) / sizeof (w32_color_map[0]);
Geoff Voelker's avatar
Geoff Voelker committed
857 858 859 860
       pc++, i++)
    cmap = Fcons (Fcons (build_string (pc->name),
			 make_number (pc->colorref)),
		  cmap);
Juanma Barranquero's avatar
Juanma Barranquero committed
861

Geoff Voelker's avatar
Geoff Voelker committed
862
  UNBLOCK_INPUT;
Juanma Barranquero's avatar
Juanma Barranquero committed
863

Geoff Voelker's avatar
Geoff Voelker committed
864 865 866
  return (cmap);
}

867
static Lisp_Object
868
w32_to_x_color (rgb)
Geoff Voelker's avatar
Geoff Voelker committed
869 870 871
     Lisp_Object rgb;
{
  Lisp_Object color;
Juanma Barranquero's avatar
Juanma Barranquero committed
872

873
  CHECK_NUMBER (rgb);
Juanma Barranquero's avatar
Juanma Barranquero committed
874

Geoff Voelker's avatar
Geoff Voelker committed
875
  BLOCK_INPUT;
Juanma Barranquero's avatar
Juanma Barranquero committed
876

877
  color = Frassq (rgb, Vw32_color_map);
Juanma Barranquero's avatar
Juanma Barranquero committed
878

Geoff Voelker's avatar
Geoff Voelker committed
879
  UNBLOCK_INPUT;
Juanma Barranquero's avatar
Juanma Barranquero committed
880

Geoff Voelker's avatar
Geoff Voelker committed
881 882 883 884 885 886
  if (!NILP (color))
    return (Fcar (color));
  else
    return Qnil;
}

887
static Lisp_Object
888 889 890 891 892 893 894
w32_color_map_lookup (colorname)
     char *colorname;
{
  Lisp_Object tail, ret = Qnil;

  BLOCK_INPUT;

895
  for (tail = Vw32_color_map; CONSP (tail); tail = XCDR (tail))
896 897 898
    {
      register Lisp_Object elt, tem;

899
      elt = XCAR (tail);
900 901 902 903
      if (!CONSP (elt)) continue;

      tem = Fcar (elt);

904
      if (lstrcmpi (SDATA (tem), colorname) == 0)
905
	{
906
	  ret = Fcdr (elt);
907 908 909 910 911 912 913 914 915 916 917 918
	  break;
	}

      QUIT;
    }


  UNBLOCK_INPUT;

  return ret;
}

919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968

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;
}


969
static Lisp_Object
970
x_to_w32_color (colorname)
Geoff Voelker's avatar
Geoff Voelker committed
971 972
     char * colorname;
{
973 974
  register Lisp_Object ret = Qnil;

Geoff Voelker's avatar
Geoff Voelker committed
975
  BLOCK_INPUT;
Geoff Voelker's avatar
Geoff Voelker committed
976 977 978 979 980 981 982

  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
983

984
      size = strlen (color);
Geoff Voelker's avatar
Geoff Voelker committed
985 986 987 988 989 990 991
      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
992

Geoff Voelker's avatar
Geoff Voelker committed
993 994 995 996 997 998 999 1000 1001
	  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.  */
1002
	      if (!isxdigit (color[0]) || color[1] == 'x')
Geoff Voelker's avatar
Geoff Voelker committed
1003 1004 1005
		break;
	      t = color[size];
	      color[size] = '\0';
1006
	      value = strtoul (color, &end, 16);
Geoff Voelker's avatar
Geoff Voelker committed
1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028
	      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;
1029 1030
		  XSETINT (ret, colorval);
		  return ret;
Geoff Voelker's avatar
Geoff Voelker committed
1031 1032 1033 1034 1035
		}
	      color = end;
	    }
	}
    }
1036
  else if (strnicmp (colorname, "rgb:", 4) == 0)
Geoff Voelker's avatar
Geoff Voelker committed
1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048
    {
      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
1049

Geoff Voelker's avatar
Geoff Voelker committed
1050 1051 1052
	  /* 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.  */
1053
	  if (!isxdigit (color[0]) || color[1] == 'x')
Geoff Voelker's avatar
Geoff Voelker committed
1054
	    break;
1055
	  value = strtoul (color, &end, 16);
Geoff Voelker's avatar
Geoff Voelker committed
1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082
	  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;
1083 1084
	      XSETINT (ret, colorval);
	      return ret;
Geoff Voelker's avatar
Geoff Voelker committed
1085 1086 1087 1088 1089 1090
	    }
	  if (*end != '/')
	    break;
	  color = end + 1;
	}
    }
1091
  else if (strnicmp (colorname, "rgbi:", 5) == 0)
Geoff Voelker's avatar
Geoff Voelker committed
1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106
    {
      /* 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;

1107
	  value = strtod (color, &end);
Geoff Voelker's avatar
Geoff Voelker committed
1108 1109 1110 1111 1112
	  if (errno == ERANGE)
	    break;
	  if (value < 0.0 || value > 1.0)
	    break;
	  val = (UINT)(0x100 * value);
Juanma Barranquero's avatar
Juanma Barranquero committed
1113
	  /* We used 0x100 instead of 0xFF to give a continuous
Geoff Voelker's avatar
Geoff Voelker committed
1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124
             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;
1125 1126
	      XSETINT (ret, colorval);
	      return ret;
Geoff Voelker's avatar
Geoff Voelker committed
1127 1128 1129 1130 1131 1132 1133 1134 1135
	    }
	  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.  */
1136 1137

  /* If we fail to lookup the color name in w32_color_map, then check the
Juanma Barranquero's avatar
Juanma Barranquero committed
1138
     colorname to see if it can be crudely approximated: If the X color
1139 1140 1141
     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
1142
  if (NILP (ret))
Geoff Voelker's avatar
Geoff Voelker committed
1143
    {
1144
      int len = strlen (colorname);
Geoff Voelker's avatar
Geoff Voelker committed
1145

Juanma Barranquero's avatar
Juanma Barranquero committed
1146
      if (isdigit (colorname[len - 1]))
1147
	{
1148
	  char *ptr, *approx = alloca (len + 1);
Geoff Voelker's avatar
Geoff Voelker committed
1149

1150 1151
	  strcpy (approx, colorname);
	  ptr = &approx[len - 1];
Juanma Barranquero's avatar
Juanma Barranquero committed
1152
	  while (ptr > approx && isdigit (*ptr))
1153
	      *ptr-- = '\0';
Geoff Voelker's avatar
Geoff Voelker committed
1154

1155
	  ret = w32_color_map_lookup (approx);
Geoff Voelker's avatar
Geoff Voelker committed
1156 1157
	}
    }
Juanma Barranquero's avatar
Juanma Barranquero committed
1158

Geoff Voelker's avatar
Geoff Voelker committed
1159 1160 1161 1162
  UNBLOCK_INPUT;
  return ret;
}

1163
void
1164
w32_regenerate_palette (FRAME_PTR f)
1165
{
1166
  struct w32_palette_entry * list;
1167 1168 1169 1170 1171
  LOGPALETTE *          log_palette;
  HPALETTE              new_palette;
  int                   i;

  /* don't bother trying to create palette if not supported */
1172
  if (! FRAME_W32_DISPLAY_INFO (f)->has_palette)
1173 1174 1175 1176
    return;

  log_palette = (LOGPALETTE *)
    alloca (sizeof (LOGPALETTE) +
1177
	     FRAME_W32_DISPLAY_INFO (f)->num_colors * sizeof (PALETTEENTRY));
1178
  log_palette->palVersion = 0x300;
1179
  log_palette->palNumEntries = FRAME_W32_DISPLAY_INFO (f)->num_colors;
1180

1181
  list = FRAME_W32_DISPLAY_INFO (f)->color_list;
1182
  for (i = 0;
1183
       i < FRAME_W32_DISPLAY_INFO (f)->num_colors;
1184 1185 1186 1187 1188 1189 1190
       i++, list = list->next)
    log_palette->palPalEntry[i] = list->entry;

  new_palette = CreatePalette (log_palette);

  enter_crit ();

1191 1192 1193
  if (FRAME_W32_DISPLAY_INFO (f)->palette)
    DeleteObject (FRAME_W32_DISPLAY_INFO (f)->palette);
  FRAME_W32_DISPLAY_INFO (f)->palette = new_palette;
1194 1195 1196 1197 1198 1199 1200

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

  leave_crit ();
}

1201 1202
#define W32_COLOR(pe)  RGB (pe.peRed, pe.peGreen, pe.peBlue)
#define SET_W32_COLOR(pe, color) \
1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213
  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
1214
w32_map_color (FRAME_PTR f, COLORREF color)
1215
{
1216
  struct w32_palette_entry * list = FRAME_W32_DISPLAY_INFO (f)->color_list;
1217

1218
  if (NILP (Vw32_enable_palette))
1219 1220 1221 1222 1223
    return;

  /* check if color is already mapped */
  while (list)
    {
1224
      if (W32_COLOR (list->entry) == color)
1225 1226 1227 1228 1229 1230 1231 1232
        {
	  ++list->refcount;
	  return;
	}
      list = list->next;
    }

  /* not already mapped, so add to list and recreate Windows palette */
1233 1234 1235
  list = (struct w32_palette_entry *)
    xmalloc (sizeof (struct w32_palette_entry));
  SET_W32_COLOR (list->entry, color);
1236
  list->refcount = 1;
1237 1238 1239
  list->next = FRAME_W32_DISPLAY_INFO (f)->color_list;
  FRAME_W32_DISPLAY_INFO (f)->color_list = list;
  FRAME_W32_DISPLAY_INFO (f)->num_colors++;
1240 1241

  /* set flag that palette must be regenerated */
1242
  FRAME_W32_DISPLAY_INFO (f)->regen_palette = TRUE;
1243 1244 1245
}

void
1246
w32_unmap_color (FRAME_PTR f, COLORREF color)
1247
{
1248 1249
  struct w32_palette_entry * list = FRAME_W32_DISPLAY_INFO (f)->color_list;
  struct w32_palette_entry **prev = &FRAME_W32_DISPLAY_INFO (f)->color_list;
1250

1251
  if (NILP (Vw32_enable_palette))
1252 1253 1254 1255 1256
    return;

  /* check if color is already mapped */
  while (list)
    {
1257
      if (W32_COLOR (list->entry) == color)
1258 1259 1260 1261 1262
        {
	  if (--list->refcount == 0)
	    {
	      *prev = list->next;
	      xfree (list);
1263
	      FRAME_W32_DISPLAY_INFO (f)->num_colors--;
1264 1265 1266 1267 1268 1269 1270 1271 1272 1273
	      break;
	    }
	  else
	    return;
	}
      prev = &list->next;
      list = list->next;
    }

  /* set flag that palette must be regenerated */
1274
  FRAME_W32_DISPLAY_INFO (f)->regen_palette = TRUE;
1275 1276 1277
}
#endif

1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295

/* 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);
    }
}