w32fns.c 429 KB
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/* Graphical user interface functions for the Microsoft W32 API.
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   Copyright (C) 1989, 92, 93, 94, 95, 1996, 1997, 1998, 1999, 2000, 2001
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     Free Software Foundation, Inc.
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This file is part of GNU Emacs.

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

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

You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING.  If not, write to
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */
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/* Added by Kevin Gallo */

#include <config.h>
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#include <signal.h>
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#include <stdio.h>
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#include <limits.h>
#include <errno.h>
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#include "lisp.h"
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#include "charset.h"
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#include "dispextern.h"
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#include "w32term.h"
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#include "keyboard.h"
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#include "frame.h"
#include "window.h"
#include "buffer.h"
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#include "fontset.h"
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#include "intervals.h"
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#include "blockinput.h"
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#include "epaths.h"
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#include "w32heap.h"
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#include "termhooks.h"
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#include "coding.h"
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#include "ccl.h"
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#include "systime.h"

#include "bitmaps/gray.xbm"
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#include <commdlg.h>
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#include <shellapi.h>
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#include <ctype.h>
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extern void free_frame_menubar ();
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extern void x_compute_fringe_widths P_ ((struct frame *, int));
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extern double atof ();
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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));

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extern int quit_char;
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/* A definition of XColor for non-X frames.  */
#ifndef HAVE_X_WINDOWS
typedef struct {
  unsigned long pixel;
  unsigned short red, green, blue;
  char flags;
  char pad;
} XColor;
#endif

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extern char *lispy_function_keys[];

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/* The gray bitmap `bitmaps/gray'.  This is done because w32term.c uses
   it, and including `bitmaps/gray' more than once is a problem when
   config.h defines `static' as an empty replacement string.  */

int gray_bitmap_width = gray_width;
int gray_bitmap_height = gray_height;
unsigned char *gray_bitmap_bits = gray_bits;

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/* The colormap for converting color names to RGB values */
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Lisp_Object Vw32_color_map;
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/* Non nil if alt key presses are passed on to Windows.  */
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Lisp_Object Vw32_pass_alt_to_system;
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/* Non nil if alt key is translated to meta_modifier, nil if it is translated
   to alt_modifier.  */
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Lisp_Object Vw32_alt_is_meta;
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/* If non-zero, the windows virtual key code for an alternative quit key. */
Lisp_Object Vw32_quit_key;

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/* 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;

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/* 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;

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/* 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;
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/* Switch to control whether we inhibit requests for synthesized bold
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   and italic versions of fonts.  */
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int w32_enable_synthesized_fonts;
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/* Enable palette management. */
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Lisp_Object Vw32_enable_palette;
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/* Control how close left/right button down events must be to
   be converted to a middle button down event. */
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Lisp_Object Vw32_mouse_button_tolerance;
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/* Minimum interval between mouse movement (and scroll bar drag)
   events that are passed on to the event loop. */
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Lisp_Object Vw32_mouse_move_interval;
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/* Flag to indicate if XBUTTON events should be passed on to Windows.  */
int w32_pass_extra_mouse_buttons_to_system;

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/* The name we're using in resource queries.  */
Lisp_Object Vx_resource_name;

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

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/* Non-zero means we're allowed to display a hourglass pointer.  */
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int display_hourglass_p;
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/* The background and shape of the mouse pointer, and shape when not
   over text or in the modeline.  */
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Lisp_Object Vx_pointer_shape, Vx_nontext_pointer_shape, Vx_mode_pointer_shape;
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Lisp_Object Vx_hourglass_pointer_shape, Vx_window_horizontal_drag_shape;
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/* The shape when over mouse-sensitive text.  */
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Lisp_Object Vx_sensitive_text_pointer_shape;

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

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/* Nonzero if using Windows.  */
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static int w32_in_use;

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/* Search path for bitmap files.  */
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Lisp_Object Vx_bitmap_file_path;

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/* Regexp matching a font name whose width is the same as `PIXEL_SIZE'.  */
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Lisp_Object Vx_pixel_size_width_font_regexp;

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

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

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

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/* Associative list linking character set strings to Windows codepages. */
Lisp_Object Vw32_charset_info_alist;

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

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Lisp_Object Qauto_raise;
Lisp_Object Qauto_lower;
Lisp_Object Qbar;
Lisp_Object Qborder_color;
Lisp_Object Qborder_width;
Lisp_Object Qbox;
Lisp_Object Qcursor_color;
Lisp_Object Qcursor_type;
Lisp_Object Qgeometry;
Lisp_Object Qicon_left;
Lisp_Object Qicon_top;
Lisp_Object Qicon_type;
Lisp_Object Qicon_name;
Lisp_Object Qinternal_border_width;
Lisp_Object Qleft;
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Lisp_Object Qright;
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Lisp_Object Qmouse_color;
Lisp_Object Qnone;
Lisp_Object Qparent_id;
Lisp_Object Qscroll_bar_width;
Lisp_Object Qsuppress_icon;
Lisp_Object Qundefined_color;
Lisp_Object Qvertical_scroll_bars;
Lisp_Object Qvisibility;
Lisp_Object Qwindow_id;
Lisp_Object Qx_frame_parameter;
Lisp_Object Qx_resource_name;
Lisp_Object Quser_position;
Lisp_Object Quser_size;
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Lisp_Object Qscreen_gamma;
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Lisp_Object Qline_spacing;
Lisp_Object Qcenter;
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Lisp_Object Qcancel_timer;
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Lisp_Object Qhyper;
Lisp_Object Qsuper;
Lisp_Object Qmeta;
Lisp_Object Qalt;
Lisp_Object Qctrl;
Lisp_Object Qcontrol;
Lisp_Object Qshift;

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Lisp_Object Qw32_charset_ansi;
Lisp_Object Qw32_charset_default;
Lisp_Object Qw32_charset_symbol;
Lisp_Object Qw32_charset_shiftjis;
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Lisp_Object Qw32_charset_hangeul;
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Lisp_Object Qw32_charset_gb2312;
Lisp_Object Qw32_charset_chinesebig5;
Lisp_Object Qw32_charset_oem;

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#ifndef JOHAB_CHARSET
#define JOHAB_CHARSET 130
#endif
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#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;
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Lisp_Object Qw32_charset_vietnamese;
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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

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Lisp_Object Qfullscreen;
Lisp_Object Qfullwidth;
Lisp_Object Qfullheight;
Lisp_Object Qfullboth;

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extern Lisp_Object Qtop;
extern Lisp_Object Qdisplay;

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/* State variables for emulating a three button mouse. */
#define LMOUSE 1
#define MMOUSE 2
#define RMOUSE 4

static int button_state = 0;
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static W32Msg saved_mouse_button_msg;
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static unsigned mouse_button_timer = 0;	/* non-zero when timer is active */
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static W32Msg saved_mouse_move_msg;
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static unsigned mouse_move_timer = 0;
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/* Window that is tracking the mouse.  */
static HWND track_mouse_window;
FARPROC track_mouse_event_fn;

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/* W95 mousewheel handler */
unsigned int msh_mousewheel = 0;	

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/* Timers */
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#define MOUSE_BUTTON_ID	1
#define MOUSE_MOVE_ID	2
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#define MENU_FREE_ID 3
/* The delay (milliseconds) before a menu is freed after WM_EXITMENULOOP
   is received.  */
#define MENU_FREE_DELAY 1000
static unsigned menu_free_timer = 0;
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/* The below are defined in frame.c.  */
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extern Lisp_Object Qheight, Qminibuffer, Qname, Qonly, Qwidth;
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extern Lisp_Object Qunsplittable, Qmenu_bar_lines, Qbuffer_predicate, Qtitle;
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extern Lisp_Object Qtool_bar_lines;
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extern Lisp_Object Vwindow_system_version;

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Lisp_Object Qface_set_after_frame_default;

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#ifdef GLYPH_DEBUG
int image_cache_refcount, dpyinfo_refcount;
#endif


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/* From w32term.c. */
extern Lisp_Object Vw32_num_mouse_buttons;
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extern Lisp_Object Vw32_recognize_altgr;
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extern HWND w32_system_caret_hwnd;
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extern int w32_system_caret_height;
extern int w32_system_caret_x;
extern int w32_system_caret_y;
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extern int w32_use_visible_system_caret;

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static HWND w32_visible_system_caret_hwnd;
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/* Error if we are not connected to MS-Windows.  */
void
check_w32 ()
{
  if (! w32_in_use)
    error ("MS-Windows not in use or not initialized");
}

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

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/* Extract a frame as a FRAME_PTR, defaulting to the selected frame
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   and checking validity for W32.  */
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FRAME_PTR
check_x_frame (frame)
     Lisp_Object frame;
{
  FRAME_PTR f;

  if (NILP (frame))
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    frame = selected_frame;
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  CHECK_LIVE_FRAME (frame);
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  f = XFRAME (frame);
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  if (! FRAME_W32_P (f))
    error ("non-w32 frame used");
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  return f;
}

/* Let the user specify an display with a frame.
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   nil stands for the selected frame--or, if that is not a w32 frame,
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   the first display on the list.  */

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static struct w32_display_info *
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check_x_display_info (frame)
     Lisp_Object frame;
{
  if (NILP (frame))
    {
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      struct frame *sf = XFRAME (selected_frame);
      
      if (FRAME_W32_P (sf) && FRAME_LIVE_P (sf))
	return FRAME_W32_DISPLAY_INFO (sf);
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      else
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	return &one_w32_display_info;
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    }
  else if (STRINGP (frame))
    return x_display_info_for_name (frame);
  else
    {
      FRAME_PTR f;

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      CHECK_LIVE_FRAME (frame);
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      f = XFRAME (frame);
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      if (! FRAME_W32_P (f))
	error ("non-w32 frame used");
      return FRAME_W32_DISPLAY_INFO (f);
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    }
}

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/* Return the Emacs frame-object corresponding to an w32 window.
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   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)
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     struct w32_display_info *dpyinfo;
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     HWND wdesc;
{
  Lisp_Object tail, frame;
  struct frame *f;

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  for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail))
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    {
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      frame = XCAR (tail);
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      if (!GC_FRAMEP (frame))
        continue;
      f = XFRAME (frame);
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      if (!FRAME_W32_P (f) || FRAME_W32_DISPLAY_INFO (f) != dpyinfo)
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	continue;
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      if (f->output_data.w32->hourglass_window == wdesc)
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        return f;

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      if (FRAME_W32_WINDOW (f) == wdesc)
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        return f;
    }
  return 0;
}



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

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

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


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

int
x_bitmap_height (f, id)
     FRAME_PTR f;
     int id;
{
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  return FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].height;
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}

int
x_bitmap_width (f, id)
     FRAME_PTR f;
     int id;
{
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  return FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].width;
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}

int
x_bitmap_pixmap (f, id)
     FRAME_PTR f;
     int id;
{
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  return (int) FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].pixmap;
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}


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

static int
x_allocate_bitmap_record (f)
     FRAME_PTR f;
{
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  struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
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  int i;

  if (dpyinfo->bitmaps == NULL)
    {
      dpyinfo->bitmaps_size = 10;
      dpyinfo->bitmaps
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	= (struct w32_bitmap_record *) xmalloc (dpyinfo->bitmaps_size * sizeof (struct w32_bitmap_record));
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      dpyinfo->bitmaps_last = 1;
      return 1;
    }

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

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

  dpyinfo->bitmaps_size *= 2;
  dpyinfo->bitmaps
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    = (struct w32_bitmap_record *) xrealloc (dpyinfo->bitmaps,
					   dpyinfo->bitmaps_size * sizeof (struct w32_bitmap_record));
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  return ++dpyinfo->bitmaps_last;
}

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

void
x_reference_bitmap (f, id)
     FRAME_PTR f;
     int id;
{
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  ++FRAME_W32_DISPLAY_INFO (f)->bitmaps[id - 1].refcount;
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}

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

int
x_create_bitmap_from_data (f, bits, width, height)
     struct frame *f;
     char *bits;
     unsigned int width, height;
{
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  struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
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  Pixmap bitmap;
  int id;

  bitmap = CreateBitmap (width, height,
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			 FRAME_W32_DISPLAY_INFO (XFRAME (frame))->n_planes,
			 FRAME_W32_DISPLAY_INFO (XFRAME (frame))->n_cbits,
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			 bits);

  if (! bitmap)
    return -1;

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

  return id;
}

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

int
x_create_bitmap_from_file (f, file)
     struct frame *f;
     Lisp_Object file;
{
  return -1;
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#if 0 /* TODO : bitmap support */
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  struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
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  unsigned int width, height;
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  HBITMAP bitmap;
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  int xhot, yhot, result, id;
  Lisp_Object found;
  int fd;
  char *filename;
  HINSTANCE hinst;

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

  /* Search bitmap-file-path for the file, if appropriate.  */
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  fd = openp (Vx_bitmap_file_path, file, Qnil, &found, 0);
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  if (fd < 0)
    return -1;
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  emacs_close (fd);
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  filename = (char *) XSTRING (found)->data;

  hinst = LoadLibraryEx (filename, NULL, LOAD_LIBRARY_AS_DATAFILE);

  if (hinst == NULL)
      return -1;

  
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  result = XReadBitmapFile (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
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			    filename, &width, &height, &bitmap, &xhot, &yhot);
  if (result != BitmapSuccess)
    return -1;

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

  return id;
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#endif  /* TODO */
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}

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

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void
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x_destroy_bitmap (f, id)
     FRAME_PTR f;
     int id;
{
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  struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
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  if (id > 0)
    {
      --dpyinfo->bitmaps[id - 1].refcount;
      if (dpyinfo->bitmaps[id - 1].refcount == 0)
	{
	  BLOCK_INPUT;
	  DeleteObject (dpyinfo->bitmaps[id - 1].pixmap);
	  if (dpyinfo->bitmaps[id - 1].file)
	    {
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	      xfree (dpyinfo->bitmaps[id - 1].file);
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	      dpyinfo->bitmaps[id - 1].file = NULL;
	    }
	  UNBLOCK_INPUT;
	}
    }
}

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

static void
x_destroy_all_bitmaps (dpyinfo)
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     struct w32_display_info *dpyinfo;
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{
  int i;
  for (i = 0; i < dpyinfo->bitmaps_last; i++)
    if (dpyinfo->bitmaps[i].refcount > 0)
      {
	DeleteObject (dpyinfo->bitmaps[i].pixmap);
	if (dpyinfo->bitmaps[i].file)
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	  xfree (dpyinfo->bitmaps[i].file);
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      }
  dpyinfo->bitmaps_last = 0;
}

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/* Connect the frame-parameter names for W32 frames
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   to the ways of passing the parameter values to the window system.

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

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


struct x_frame_parm_table
{
  char *name;
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  void (*setter) P_ ((struct frame *, Lisp_Object, Lisp_Object));
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};

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BOOL my_show_window P_ ((struct frame *, HWND, int));
void my_set_window_pos P_ ((HWND, HWND, int, int, int, int, UINT));
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static Lisp_Object unwind_create_frame P_ ((Lisp_Object));
static Lisp_Object unwind_create_tip_frame P_ ((Lisp_Object));
static void x_change_window_heights P_ ((Lisp_Object, int));
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/* TODO: Native Input Method support; see x_create_im.  */
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void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
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static void x_set_line_spacing P_ ((struct frame *, Lisp_Object, Lisp_Object));
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static void x_set_fullscreen P_ ((struct frame *, Lisp_Object, Lisp_Object));
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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_set_font P_ ((struct frame *, Lisp_Object, Lisp_Object));
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static void x_set_fringe_width P_ ((struct frame *, Lisp_Object, Lisp_Object));
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void x_set_border_width P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_internal_border_width P_ ((struct frame *, Lisp_Object,
				      Lisp_Object));
void x_explicitly_set_name P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_autoraise P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_autolower P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_vertical_scroll_bars P_ ((struct frame *, Lisp_Object,
				     Lisp_Object));
void x_set_visibility P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_scroll_bar_width P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_title P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_unsplittable P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
static void x_set_screen_gamma P_ ((struct frame *, Lisp_Object, Lisp_Object));
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static void x_edge_detection P_ ((struct frame *, struct image *, Lisp_Object,
				  Lisp_Object));
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static struct x_frame_parm_table x_frame_parms[] =
{
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  {"auto-raise", x_set_autoraise},
  {"auto-lower", x_set_autolower},
  {"background-color", x_set_background_color},
  {"border-color", x_set_border_color},
  {"border-width", x_set_border_width},
  {"cursor-color", x_set_cursor_color},
  {"cursor-type", x_set_cursor_type},
  {"font", x_set_font},
  {"foreground-color", x_set_foreground_color},
  {"icon-name", x_set_icon_name},
  {"icon-type", x_set_icon_type},
  {"internal-border-width", x_set_internal_border_width},
  {"menu-bar-lines", x_set_menu_bar_lines},
  {"mouse-color", x_set_mouse_color},
  {"name", x_explicitly_set_name},
  {"scroll-bar-width", x_set_scroll_bar_width},
  {"title", x_set_title},
  {"unsplittable", x_set_unsplittable},
  {"vertical-scroll-bars", x_set_vertical_scroll_bars},
  {"visibility", x_set_visibility},
  {"tool-bar-lines", x_set_tool_bar_lines},
  {"screen-gamma", x_set_screen_gamma},
  {"line-spacing", x_set_line_spacing},
  {"left-fringe", x_set_fringe_width},
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  {"right-fringe", x_set_fringe_width},
  {"fullscreen", x_set_fullscreen},
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};

/* Attach the `x-frame-parameter' properties to
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   the Lisp symbol names of parameters relevant to W32.  */
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void
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init_x_parm_symbols ()
{
  int i;

  for (i = 0; i < sizeof (x_frame_parms) / sizeof (x_frame_parms[0]); i++)
    Fput (intern (x_frame_parms[i].name), Qx_frame_parameter,
	  make_number (i));
}

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/* Really try to move where we want to be in case of fullscreen.  Some WMs
   moves the window where we tell them.  Some (mwm, twm) moves the outer
   window manager window there instead.
   Try to compensate for those WM here. */
static void
x_fullscreen_move (f, new_top, new_left)
     struct frame *f;
     int new_top;
     int new_left;
{
  if (new_top != f->output_data.w32->top_pos
      || new_left != f->output_data.w32->left_pos)
    {
      int move_x = new_left;
      int move_y = new_top;

      f->output_data.w32->want_fullscreen |= FULLSCREEN_MOVE_WAIT;
      x_set_offset (f, move_x, move_y, 1);
    }
}

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/* Change the parameters of frame F as specified by ALIST.
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   If a parameter is not specially recognized, do nothing;
   otherwise call the `x_set_...' function for that parameter.  */

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

  /* If both of these parameters are present, it's more efficient to
     set them both at once.  So we wait until we've looked at the
     entire list before we set them.  */
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  int width, height;
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  /* Same here.  */
  Lisp_Object left, top;

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

  /* Record in these vectors all the parms specified.  */
  Lisp_Object *parms;
  Lisp_Object *values;
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  int i, p;
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  int left_no_change = 0, top_no_change = 0;
  int icon_left_no_change = 0, icon_top_no_change = 0;
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  int fullscreen_is_being_set = 0;
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  struct gcpro gcpro1, gcpro2;

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

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

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

  i = 0;
  for (tail = alist; CONSP (tail); tail = Fcdr (tail))
    {
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      Lisp_Object elt;
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      elt = Fcar (tail);
      parms[i] = Fcar (elt);
      values[i] = Fcdr (elt);
      i++;
    }
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  /* TAIL and ALIST are not used again below here.  */
  alist = tail = Qnil;

  GCPRO2 (*parms, *values);
  gcpro1.nvars = i;
  gcpro2.nvars = i;

  /* There is no need to gcpro LEFT, TOP, ICON_LEFT, or ICON_TOP,
     because their values appear in VALUES and strings are not valid.  */
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  top = left = Qunbound;
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  icon_left = icon_top = Qunbound;

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  /* Provide default values for HEIGHT and WIDTH.  */
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  if (FRAME_NEW_WIDTH (f))
    width = FRAME_NEW_WIDTH (f);
  else
    width = FRAME_WIDTH (f);

  if (FRAME_NEW_HEIGHT (f))
    height = FRAME_NEW_HEIGHT (f);
  else
    height = FRAME_HEIGHT (f);
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  /* Process foreground_color and background_color before anything else.
     They are independent of other properties, but other properties (e.g.,
     cursor_color) are dependent upon them.  */
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  /* Process default font as well, since fringe widths depends on it.  */
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  for (p = 0; p < i; p++) 
    {
      Lisp_Object prop, val;

      prop = parms[p];
      val = values[p];
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      if (EQ (prop, Qforeground_color)
	  || EQ (prop, Qbackground_color)
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	  || EQ (prop, Qfont)
	  || EQ (prop, Qfullscreen))
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	{
	  register Lisp_Object param_index, old_value;

	  old_value = get_frame_param (f, prop);
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	  fullscreen_is_being_set |= EQ (prop, Qfullscreen);
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	  if (NILP (Fequal (val, old_value)))
	    {
	      store_frame_param (f, prop, val);
	      
	      param_index = Fget (prop, Qx_frame_parameter);
	      if (NATNUMP (param_index)
		  && (XFASTINT (param_index)
		      < sizeof (x_frame_parms)/sizeof (x_frame_parms[0])))
		(*x_frame_parms[XINT (param_index)].setter)(f, val, old_value);
	    }
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	}
    }

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  /* Now process them in reverse of specified order.  */
  for (i--; i >= 0; i--)
    {
      Lisp_Object prop, val;

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

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      if (EQ (prop, Qwidth) && NUMBERP (val))
	width = XFASTINT (val);
      else if (EQ (prop, Qheight) && NUMBERP (val))
	height = XFASTINT (val);
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      else if (EQ (prop, Qtop))
	top = val;
      else if (EQ (prop, Qleft))
	left = val;
      else if (EQ (prop, Qicon_top))
	icon_top = val;
      else if (EQ (prop, Qicon_left))
	icon_left = val;
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      else if (EQ (prop, Qforeground_color)
	       || EQ (prop, Qbackground_color)
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	       || EQ (prop, Qfont)
	       || EQ (prop, Qfullscreen))
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	/* Processed above.  */
	continue;
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      else
	{
	  register Lisp_Object param_index, old_value;

	  old_value = get_frame_param (f, prop);
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	  store_frame_param (f, prop, val);
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	  param_index = Fget (prop, Qx_frame_parameter);
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 	  if (NATNUMP (param_index)
	      && (XFASTINT (param_index)
		  < sizeof (x_frame_parms)/sizeof (x_frame_parms[0])))
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	    (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value);
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	}
    }

  /* Don't die if just one of these was set.  */
  if (EQ (left, Qunbound))
    {
      left_no_change = 1;
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      if (f->output_data.w32->left_pos < 0)
	left = Fcons (Qplus, Fcons (make_number (f->output_data.w32->left_pos), Qnil));
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      else
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	XSETINT (left, f->output_data.w32->left_pos);
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    }
  if (EQ (top, Qunbound))
    {
      top_no_change = 1;
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      if (f->output_data.w32->top_pos < 0)
	top = Fcons (Qplus, Fcons (make_number (f->output_data.w32->top_pos), Qnil));
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      else
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	XSETINT (top, f->output_data.w32->top_pos);
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    }

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

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  if (FRAME_VISIBLE_P (f) && fullscreen_is_being_set)
    {
            /* If the frame is visible already and the fullscreen parameter is
         being set, it is too late to set WM manager hints to specify
         size and position.
         Here we first get the width, height and position that applies to
         fullscreen.  We then move the frame to the appropriate
         position.  Resize of the frame is taken care of in the code after
         this if-statement. */
      int new_left, new_top;
      
      x_fullscreen_adjust (f, &width, &height, &new_top, &new_left);
      x_fullscreen_move (f, new_top, new_left);
    }

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

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

    check_frame_size (f, &height, &width);

    XSETFRAME (frame, f);

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    if (width != FRAME_WIDTH (f)
	|| height != FRAME_HEIGHT (f)
	|| FRAME_NEW_HEIGHT (f) || FRAME_NEW_WIDTH (f))
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      Fset_frame_size (frame, make_number (width), make_number (height));
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    if ((!NILP (left) || !NILP (top))
	&& ! (left_no_change && top_no_change)
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	&& ! (NUMBERP (left) && XINT (left) == f->output_data.w32->left_pos
	      && NUMBERP (top) && XINT (top) == f->output_data.w32->top_pos))
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      {
	int leftpos = 0;
	int toppos = 0;

	/* Record the signs.  */
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	f->output_data.w32->size_hint_flags &= ~ (XNegative | YNegative);
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	if (EQ (left, Qminus))
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	  f->output_data.w32->size_hint_flags |= XNegative;
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	else if (INTEGERP (left))
	  {
	    leftpos = XINT (left);
	    if (leftpos < 0)
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	      f->output_data.w32->size_hint_flags |= XNegative;
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	  }
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	else if (CONSP (left) && EQ (XCAR (left), Qminus)
		 && CONSP (XCDR (left))
		 && INTEGERP (XCAR (XCDR (left))))
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	  {
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	    leftpos = - XINT (XCAR (XCDR (left)));
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	    f->output_data.w32->size_hint_flags |= XNegative;
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	  }
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	else if (CONSP (left) && EQ (XCAR (left), Qplus)
		 && CONSP (XCDR (left))
		 && INTEGERP (XCAR (XCDR (left))))
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	  {
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	    leftpos = XINT (XCAR (XCDR (left)));
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	  }

	if (EQ (top, Qminus))
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	  f->output_data.w32->size_hint_flags |= YNegative;
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	else if (INTEGERP (top))
	  {
	    toppos = XINT (top);
	    if (toppos < 0)
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	      f->output_data.w32->size_hint_flags |= YNegative;
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	  }
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	else if (CONSP (top) && EQ (XCAR (top), Qminus)
		 && CONSP (XCDR (top))
		 && INTEGERP (XCAR (XCDR (top))))
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	  {
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	    toppos = - XINT (XCAR (XCDR (top)));
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	    f->output_data.w32->size_hint_flags |= YNegative;
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	  }
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	else if (CONSP (top) && EQ (XCAR (top), Qplus)
		 && CONSP (XCDR (top))
		 && INTEGERP (XCAR (XCDR (top))))
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	  {
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	    toppos = XINT (XCAR (XCDR (top)));
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	  }


	/* Store the numeric value of the position.  */
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	f->output_data.w32->top_pos = toppos;
	f->output_data.w32->left_pos = leftpos;
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	f->output_data.w32->win_gravity = NorthWestGravity;
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	/* Actually set that position, and convert to absolute.  */
	x_set_offset (f, leftpos, toppos, -1);
      }

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

/* 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;
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  RECT rect;
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  GetClientRect(FRAME_W32_WINDOW(f), &rect);
  AdjustWindowRect(&rect, f->output_data.w32->dwStyle, FRAME_EXTERNAL_MENU_BAR(f));

  pt.x = rect.left;
  pt.y = rect.top;
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  ClientToScreen (FRAME_W32_WINDOW(f), &pt);
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  /* Remember x_pixels_diff and y_pixels_diff.  */
  f->output_data.w32->x_pixels_diff = pt.x - rect.left;
  f->output_data.w32->y_pixels_diff = pt.y - rect.top;

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

/* Insert a description of internally-recorded parameters of frame X
   into the parameter alist *ALISTPTR that is to be given to the user.
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   Only parameters that are specific to W32
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   and whose values are not correctly recorded in the frame's
   param_alist need to be considered here.  */

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

  /* Represent negative positions (off the top or left screen edge)
     in a way that Fmodify_frame_parameters will understand correctly.  */
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  XSETINT (tem, f->output_data.w32->left_pos);
  if (f->output_data.w32->left_pos >= 0)
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    store_in_alist (alistptr, Qleft, tem);
  else
    store_in_alist (alistptr, Qleft, Fcons (Qplus, Fcons (tem, Qnil)));

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  XSETINT (tem, f->output_data.w32->top_pos);
  if (f->output_data.w32->top_pos >= 0)
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    store_in_alist (alistptr, Qtop, tem);
  else
    store_in_alist (alistptr, Qtop, Fcons (Qplus, Fcons (tem, Qnil)));

  store_in_alist (alistptr, Qborder_width,
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       	   make_number (f->output_data.w32->border_width));
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  store_in_alist (alistptr, Qinternal_border_width,
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       	   make_number (f->output_data.w32->internal_border_width));
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  store_in_alist (alistptr, Qleft_fringe,
       	   make_number (f->output_data.w32->left_fringe_width));
  store_in_alist (alistptr, Qright_fringe,
       	   make_number (f->output_data.w32->right_fringe_width));
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  store_in_alist (alistptr, Qscroll_bar_width,
           make_number (FRAME_HAS_VERTICAL_SCROLL_BARS (f)
                        ? FRAME_SCROLL_BAR_PIXEL_WIDTH(f)
                        : 0));
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  sprintf (buf, "%ld", (long) FRAME_W32_WINDOW (f));
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  store_in_alist (alistptr, Qwindow_id,
       	   build_string (buf));
  store_in_alist (alistptr, Qicon_name, f->icon_name);
  FRAME_SAMPLE_VISIBILITY (f);
  store_in_alist (alistptr, Qvisibility,
		  (FRAME_VISIBLE_P (f) ? Qt
		   : FRAME_ICONIFIED_P (f) ? Qicon : Qnil));
  store_in_alist (alistptr, Qdisplay,
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		  XCAR (FRAME_W32_DISPLAY_INFO (f)->name_list_element));
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}


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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.
This adds or updates a named color to w32-color-map, making it
available for use.  The original entry's RGB ref is returned, or nil
if the entry is new.  */)
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    (red, green, blue, name)
    Lisp_Object red, green, blue, name;
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{
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  Lisp_Object rgb;
  Lisp_Object oldrgb = Qnil;
  Lisp_Object entry;

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  CHECK_NUMBER (red);
  CHECK_NUMBER (green);
  CHECK_NUMBER (blue);
  CHECK_STRING (name);
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  XSET (rgb, Lisp_Int, RGB(XUINT (red), XUINT (green), XUINT (blue)));
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  BLOCK_INPUT;
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  /* replace existing entry in w32-color-map or add new entry. */
  entry = Fassoc (name, Vw32_color_map);
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  if (NILP (entry))
    {
      entry = Fcons (name, rgb);
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      Vw32_color_map = Fcons (entry, Vw32_color_map);
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    }
  else
    {
      oldrgb = Fcdr (entry);
      Fsetcdr (entry, rgb);
    }

  UNBLOCK_INPUT;

  return (oldrgb);
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}

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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.
Assign this value to w32-color-map to replace the existing color map.

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.  */)
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    (filename)
    Lisp_Object filename;
{
  FILE *fp;
  Lisp_Object cmap = Qnil;
  Lisp_Object abspath;

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

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

      BLOCK_INPUT;

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

      UNBLOCK_INPUT;
    }

  return cmap;
}
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/* The default colors for the w32 color map */
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typedef struct colormap_t 
{
  char *name;
  COLORREF colorref;
} colormap_t;

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colormap_t w32_color_map[] = 
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{
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  {"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"