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[emacs.git] / src / frame.h

/* Define frame-object for GNU Emacs.
   Copyright (C) 1993-1994, 1999-2013 Free Software Foundation, Inc.

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 3 of the License, 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.  If not, see <http://www.gnu.org/licenses/>.  */

/* Don't multiply include: dispextern.h includes macterm.h which
   includes frame.h some emacs source includes both dispextern.h and
   frame.h.  */

#ifndef EMACS_FRAME_H
#define EMACS_FRAME_H

#include "dispextern.h"

INLINE_HEADER_BEGIN
#ifndef FRAME_INLINE
# define FRAME_INLINE INLINE
#endif

\f
/* Miscellanea.  */

/* Nonzero means there is at least one garbaged frame.  */
extern bool frame_garbaged;

\f
/* The structure representing a frame.  */

enum output_method
{
  output_initial,
  output_termcap,
  output_x_window,
  output_msdos_raw,
  output_w32,
  output_ns
};

enum vertical_scroll_bar_type
{
  vertical_scroll_bar_none,
  vertical_scroll_bar_left,
  vertical_scroll_bar_right
};

enum text_cursor_kinds
{
  DEFAULT_CURSOR = -2,
  NO_CURSOR = -1,
  FILLED_BOX_CURSOR,
  HOLLOW_BOX_CURSOR,
  BAR_CURSOR,
  HBAR_CURSOR
};

enum fullscreen_type
{
  FULLSCREEN_NONE,
  FULLSCREEN_WIDTH     = 0x001,
  FULLSCREEN_HEIGHT    = 0x002,
  FULLSCREEN_BOTH      = 0x003,
  FULLSCREEN_MAXIMIZED = 0x013,
  FULLSCREEN_WAIT      = 0x100
};


#define FRAME_FOREGROUND_PIXEL(f) ((f)->foreground_pixel)
#define FRAME_BACKGROUND_PIXEL(f) ((f)->background_pixel)


struct frame
{
  struct vectorlike_header header;

  /* All Lisp_Object components must come first.
     That ensures they are all aligned normally.  */

  /* Name of this frame: a Lisp string.  It is used for looking up resources,
     as well as for the title in some cases.  */
  Lisp_Object name;

  /* The name to use for the icon, the last time
     it was refreshed.  nil means not explicitly specified.  */
  Lisp_Object icon_name;

  /* This is the frame title specified explicitly, if any.
     Usually it is nil.  */
  Lisp_Object title;

  /* The frame which should receive keystrokes that occur in this
     frame, or nil if they should go to the frame itself.  This is
     usually nil, but if the frame is minibufferless, we can use this
     to redirect keystrokes to a surrogate minibuffer frame when
     needed.

     Note that a value of nil is different than having the field point
     to the frame itself.  Whenever the Fselect_frame function is used
     to shift from one frame to the other, any redirections to the
     original frame are shifted to the newly selected frame; if
     focus_frame is nil, Fselect_frame will leave it alone.  */
  Lisp_Object focus_frame;

  /* This frame's root window.  Every frame has one.
     If the frame has only a minibuffer window, this is it.
     Otherwise, if the frame has a minibuffer window, this is its sibling.  */
  Lisp_Object root_window;

  /* This frame's selected window.
     Each frame has its own window hierarchy
     and one of the windows in it is selected within the frame.
     The selected window of the selected frame is Emacs's selected window.  */
  Lisp_Object selected_window;

  /* This frame's minibuffer window.
     Most frames have their own minibuffer windows,
     but only the selected frame's minibuffer window
     can actually appear to exist.  */
  Lisp_Object minibuffer_window;

  /* Parameter alist of this frame.
     These are the parameters specified when creating the frame
     or modified with modify-frame-parameters.  */
  Lisp_Object param_alist;

  /* List of scroll bars on this frame.
     Actually, we don't specify exactly what is stored here at all; the
     scroll bar implementation code can use it to store anything it likes.
     This field is marked by the garbage collector.  It is here
     instead of in the `device' structure so that the garbage
     collector doesn't need to look inside the window-system-dependent
     structure.  */
  Lisp_Object scroll_bars;
  Lisp_Object condemned_scroll_bars;

  /* Vector describing the items to display in the menu bar.
     Each item has four elements in this vector.
     They are KEY, STRING, SUBMAP, and HPOS.
     (HPOS is not used in when the X toolkit is in use.)
     There are four additional elements of nil at the end, to terminate.  */
  Lisp_Object menu_bar_items;

  /* Alist of elements (FACE-NAME . FACE-VECTOR-DATA).  */
  Lisp_Object face_alist;

  /* A vector that records the entire structure of this frame's menu bar.
     For the format of the data, see extensive comments in xmenu.c.
     Only the X toolkit version uses this.  */
  Lisp_Object menu_bar_vector;

  /* Predicate for selecting buffers for other-buffer.  */
  Lisp_Object buffer_predicate;

  /* List of buffers viewed in this frame, for other-buffer.  */
  Lisp_Object buffer_list;

  /* List of buffers that were viewed, then buried in this frame.  The
     most recently buried buffer is first.  For last-buffer.  */
  Lisp_Object buried_buffer_list;

#if defined (HAVE_X_WINDOWS) && ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK)
  /* A dummy window used to display menu bars under X when no X
     toolkit support is available.  */
  Lisp_Object menu_bar_window;
#endif

  /* A window used to display the tool-bar of a frame.  */
  Lisp_Object tool_bar_window;

  /* Desired and current tool-bar items.  */
  Lisp_Object tool_bar_items;

  /* Where tool bar is, can be left, right, top or bottom.  The native
     tool bar only supports top.  */
  Lisp_Object tool_bar_position;

  /* Desired and current contents displayed in tool_bar_window.  */
  Lisp_Object desired_tool_bar_string;
  Lisp_Object current_tool_bar_string;

  /* Beyond here, there should be no more Lisp_Object components.  */

  /* Cache of realized faces.  */
  struct face_cache *face_cache;

  /* Number of elements in `menu_bar_vector' that have meaningful data.  */
  int menu_bar_items_used;

  /* A buffer to hold the frame's name.  We can't use the Lisp
     string's pointer (`name', above) because it might get relocated.  */
  char *namebuf;

  /* Glyph pool and matrix.  */
  struct glyph_pool *current_pool;
  struct glyph_pool *desired_pool;
  struct glyph_matrix *desired_matrix;
  struct glyph_matrix *current_matrix;

  /* 1 means that glyphs on this frame have been initialized so it can
     be used for output.  */
  unsigned glyphs_initialized_p : 1;

  /* Set to non-zero in change_frame_size when size of frame changed
     Clear the frame in clear_garbaged_frames if set.  */
  unsigned resized_p : 1;

  /* Set to non-zero in when we want for force a flush_display in
     update_frame, usually after resizing the frame.  */
  unsigned force_flush_display_p : 1;

  /* Set to non-zero if the default face for the frame has been
     realized.  Reset to zero whenever the default face changes.
     Used to see the difference between a font change and face change.  */
  unsigned default_face_done_p : 1;

  /* Set to non-zero if this frame has already been hscrolled during
     current redisplay.  */
  unsigned already_hscrolled_p : 1;

  /* Set to non-zero when current redisplay has updated frame.  */
  unsigned updated_p : 1;

  /* Set to non-zero to minimize tool-bar height even when
     auto-resize-tool-bar is set to grow-only.  */
  unsigned minimize_tool_bar_window_p : 1;

#if defined (USE_GTK) || defined (HAVE_NS)
  /* Nonzero means using a tool bar that comes from the toolkit.  */
  unsigned external_tool_bar : 1;
#endif

  /* Margin at the top of the frame.  Used to display the tool-bar.  */
  int tool_bar_lines;

  int n_tool_bar_rows;
  int n_tool_bar_items;

  /* A buffer for decode_mode_line. */
  char *decode_mode_spec_buffer;

  /* See do_line_insertion_deletion_costs for info on these arrays. */
  /* Cost of inserting 1 line on this frame */
  int *insert_line_cost;
  /* Cost of deleting 1 line on this frame */
  int *delete_line_cost;
  /* Cost of inserting n lines on this frame */
  int *insert_n_lines_cost;
  /* Cost of deleting n lines on this frame */
  int *delete_n_lines_cost;

  /* Size of this frame, excluding fringes, scroll bars etc.,
     in units of canonical characters.  */
  int text_lines, text_cols;

  /* Total size of this frame (i.e. its native window), in units of
     canonical characters.  */
  int total_lines, total_cols;

  /* New text height and width for pending size change.
     0 if no change pending.  */
  int new_text_lines, new_text_cols;

  /* Pixel position of the frame window (x and y offsets in root window).  */
  int left_pos, top_pos;

  /* Size of the frame window in pixels.  */
  int pixel_height, pixel_width;

  /* These many pixels are the difference between the outer window (i.e. the
     left and top of the window manager decoration) and FRAME_X_WINDOW. */
  int x_pixels_diff, y_pixels_diff;

  /* This is the gravity value for the specified window position.  */
  int win_gravity;

  /* The geometry flags for this window.  */
  int size_hint_flags;

  /* Border width of the frame window as known by the (X) window system.  */
  int border_width;

  /* Width of the internal border.  This is a line of background color
     just inside the window's border.  When the frame is selected,
     a highlighting is displayed inside the internal border.  */
  int internal_border_width;

  /* Canonical X unit.  Width of default font, in pixels.  */
  int column_width;

  /* Canonical Y unit.  Height of a line, in pixels.  */
  int line_height;

  /* The output method says how the contents of this frame are
     displayed.  It could be using termcap, or using an X window.
     This must be the same as the terminal->type. */
  enum output_method output_method;

  /* The terminal device that this frame uses.  If this is NULL, then
     the frame has been deleted. */
  struct terminal *terminal;

  /* Device-dependent, frame-local auxiliary data used for displaying
     the contents.  When the frame is deleted, this data is deleted as
     well. */
  union output_data
  {
    struct tty_output *tty;     /* termchar.h */
    struct x_output *x;         /* xterm.h */
    struct w32_output *w32;     /* w32term.h */
    struct ns_output *ns;       /* nsterm.h */
    intptr_t nothing;
  }
  output_data;

  /* List of font-drivers available on the frame. */
  struct font_driver_list *font_driver_list;
  /* List of data specific to font-driver and frame, but common to
     faces.  */
  struct font_data_list *font_data_list;

  /* Total width of fringes reserved for drawing truncation bitmaps,
     continuation bitmaps and alike.  The width is in canonical char
     units of the frame.  This must currently be the case because window
     sizes aren't pixel values.  If it weren't the case, we wouldn't be
     able to split windows horizontally nicely.  */
  int fringe_cols;

  /* The extra width (in pixels) currently allotted for fringes.  */
  int left_fringe_width, right_fringe_width;

  /* See FULLSCREEN_ enum below */
  enum fullscreen_type want_fullscreen;

  /* Number of lines of menu bar.  */
  int menu_bar_lines;

#if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI) \
    || defined (HAVE_NS) || defined (USE_GTK)
  /* Nonzero means using a menu bar that comes from the X toolkit.  */
  unsigned int external_menu_bar : 1;
#endif

  /* Next two bitfields are mutually exclusive.  They might both be
     zero if the frame has been made invisible without an icon.  */

  /* Nonzero if the frame is currently displayed; we check
     it to see if we should bother updating the frame's contents.

     Note that, since invisible frames aren't updated, whenever a
     frame becomes visible again, it must be marked as garbaged.

     On ttys and on Windows NT/9X, to avoid wasting effort updating
     visible frames that are actually completely obscured by other
     windows on the display, we bend the meaning of visible slightly:
     if equal to 2, then the frame is obscured - we still consider
     it to be "visible" as seen from lisp, but we don't bother
     updating it.  We must take care to garbage the frame when it
     ceases to be obscured though.  See SET_FRAME_VISIBLE below.  */
  unsigned visible : 2;

  /* Nonzero if the frame is currently iconified.  Do not
     set this directly, use SET_FRAME_ICONIFIED instead.  */
  unsigned iconified : 1;

  /* Nonzero if this frame should be redrawn.  */
  unsigned garbaged : 1;

  /* True if frame actually has a minibuffer window on it.
     0 if using a minibuffer window that isn't on this frame.  */
  unsigned has_minibuffer : 1;

  /* 0 means, if this frame has just one window,
     show no modeline for that window.  */
  unsigned wants_modeline : 1;

  /* Non-0 means raise this frame to the top of the heap when selected.  */
  unsigned auto_raise : 1;

  /* Non-0 means lower this frame to the bottom of the stack when left.  */
  unsigned auto_lower : 1;

  /* True if frame's root window can't be split.  */
  unsigned no_split : 1;

  /* If this is set, then Emacs won't change the frame name to indicate
     the current buffer, etcetera.  If the user explicitly sets the frame
     name, this gets set.  If the user sets the name to Qnil, this is
     cleared.  */
  unsigned explicit_name : 1;

  /* Nonzero if size of some window on this frame has changed.  */
  unsigned window_sizes_changed : 1;

  /* Nonzero if the mouse has moved on this display device
     since the last time we checked.  */
  unsigned mouse_moved :1;

  /* Nonzero means that the pointer is invisible. */
  unsigned pointer_invisible :1;

  /* Nonzero if we should actually display the scroll bars on this frame.  */
  enum vertical_scroll_bar_type vertical_scroll_bar_type;

  /* What kind of text cursor should we draw in the future?
     This should always be filled_box_cursor or bar_cursor.  */
  enum text_cursor_kinds desired_cursor;

  /* Width of bar cursor (if we are using that).  */
  int cursor_width;

  /* What kind of text cursor should we draw when the cursor blinks off?
     This can be filled_box_cursor or bar_cursor or no_cursor.  */
  enum text_cursor_kinds blink_off_cursor;

  /* Width of bar cursor (if we are using that) for blink-off state.  */
  int blink_off_cursor_width;

  /* Configured width of the scroll bar, in pixels and in characters.
     config_scroll_bar_cols tracks config_scroll_bar_width if the
     latter is positive; a zero value in config_scroll_bar_width means
     to compute the actual width on the fly, using config_scroll_bar_cols
     and the current font width.  */
  int config_scroll_bar_width;
  int config_scroll_bar_cols;

  /* The size of the extra width currently allotted for vertical
     scroll bars in this frame, in pixels.  */
  int scroll_bar_actual_width;

  /* The baud rate that was used to calculate costs for this frame.  */
  int cost_calculation_baud_rate;

  /* frame opacity
     alpha[0]: alpha transparency of the active frame
     alpha[1]: alpha transparency of inactive frames
     Negative values mean not to change alpha.  */
  double alpha[2];

  /* Exponent for gamma correction of colors.  1/(VIEWING_GAMMA *
     SCREEN_GAMMA) where viewing_gamma is 0.4545 and SCREEN_GAMMA is a
     frame parameter.  0 means don't do gamma correction.  */
  double gamma;

  /* Additional space to put between text lines on this frame.  */
  int extra_line_spacing;

  /* All display backends seem to need these two pixel values. */
  unsigned long background_pixel;
  unsigned long foreground_pixel;
};

/* Most code should use these functions to set Lisp fields in struct frame.  */

FRAME_INLINE void
fset_buffer_list (struct frame *f, Lisp_Object val)
{
  f->buffer_list = val;
}
FRAME_INLINE void
fset_buried_buffer_list (struct frame *f, Lisp_Object val)
{
  f->buried_buffer_list = val;
}
FRAME_INLINE void
fset_condemned_scroll_bars (struct frame *f, Lisp_Object val)
{
  f->condemned_scroll_bars = val;
}
FRAME_INLINE void
fset_current_tool_bar_string (struct frame *f, Lisp_Object val)
{
  f->current_tool_bar_string = val;
}
FRAME_INLINE void
fset_desired_tool_bar_string (struct frame *f, Lisp_Object val)
{
  f->desired_tool_bar_string = val;
}
FRAME_INLINE void
fset_face_alist (struct frame *f, Lisp_Object val)
{
  f->face_alist = val;
}
FRAME_INLINE void
fset_focus_frame (struct frame *f, Lisp_Object val)
{
  f->focus_frame = val;
}
FRAME_INLINE void
fset_icon_name (struct frame *f, Lisp_Object val)
{
  f->icon_name = val;
}
FRAME_INLINE void
fset_menu_bar_items (struct frame *f, Lisp_Object val)
{
  f->menu_bar_items = val;
}
FRAME_INLINE void
fset_menu_bar_vector (struct frame *f, Lisp_Object val)
{
  f->menu_bar_vector = val;
}
#if defined (HAVE_X_WINDOWS) && ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK)
FRAME_INLINE void
fset_menu_bar_window (struct frame *f, Lisp_Object val)
{
  f->menu_bar_window = val;
}
#endif
FRAME_INLINE void
fset_name (struct frame *f, Lisp_Object val)
{
  f->name = val;
}
FRAME_INLINE void
fset_param_alist (struct frame *f, Lisp_Object val)
{
  f->param_alist = val;
}
FRAME_INLINE void
fset_root_window (struct frame *f, Lisp_Object val)
{
  f->root_window = val;
}
FRAME_INLINE void
fset_scroll_bars (struct frame *f, Lisp_Object val)
{
  f->scroll_bars = val;
}
FRAME_INLINE void
fset_selected_window (struct frame *f, Lisp_Object val)
{
  f->selected_window = val;
}
FRAME_INLINE void
fset_title (struct frame *f, Lisp_Object val)
{
  f->title = val;
}
FRAME_INLINE void
fset_tool_bar_items (struct frame *f, Lisp_Object val)
{
  f->tool_bar_items = val;
}
FRAME_INLINE void
fset_tool_bar_position (struct frame *f, Lisp_Object val)
{
  f->tool_bar_position = val;
}
FRAME_INLINE void
fset_tool_bar_window (struct frame *f, Lisp_Object val)
{
  f->tool_bar_window = val;
}

#define NUMVAL(X) ((INTEGERP (X) || FLOATP (X)) ? XFLOATINT (X) : -1)

FRAME_INLINE double
default_pixels_per_inch_x (void)
{
  Lisp_Object v = (CONSP (Vdisplay_pixels_per_inch)
                   ? XCAR (Vdisplay_pixels_per_inch)
                   : Vdisplay_pixels_per_inch);
  return NUMVAL (v) > 0 ? NUMVAL (v) : 72.0;
}

FRAME_INLINE double
default_pixels_per_inch_y (void)
{
  Lisp_Object v = (CONSP (Vdisplay_pixels_per_inch)
                   ? XCDR (Vdisplay_pixels_per_inch)
                   : Vdisplay_pixels_per_inch);
  return NUMVAL (v) > 0 ? NUMVAL (v) : 72.0;
}

#define FRAME_KBOARD(f) ((f)->terminal->kboard)

/* Return a pointer to the image cache of frame F.  */
#define FRAME_IMAGE_CACHE(F) ((F)->terminal->image_cache)

typedef struct frame *FRAME_PTR;

#define XFRAME(p) \
  (eassert (FRAMEP (p)), (struct frame *) XUNTAG (p, Lisp_Vectorlike))
#define XSETFRAME(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_FRAME))

/* Given a window, return its frame as a Lisp_Object.  */
#define WINDOW_FRAME(w) ((w)->frame)

/* Test a frame for particular kinds of display methods.  */
#define FRAME_INITIAL_P(f) ((f)->output_method == output_initial)
#define FRAME_TERMCAP_P(f) ((f)->output_method == output_termcap)
#define FRAME_X_P(f) ((f)->output_method == output_x_window)
#ifndef HAVE_NTGUI
#define FRAME_W32_P(f) (0)
#else
#define FRAME_W32_P(f) ((f)->output_method == output_w32)
#endif
#ifndef MSDOS
#define FRAME_MSDOS_P(f) (0)
#else
#define FRAME_MSDOS_P(f) ((f)->output_method == output_msdos_raw)
#endif
#ifndef HAVE_NS
#define FRAME_NS_P(f) (0)
#else
#define FRAME_NS_P(f) ((f)->output_method == output_ns)
#endif

/* Dots per inch of the screen the frame F is on.  */

#ifdef HAVE_X_WINDOWS
#define FRAME_RES_X(f)                                          \
  (eassert (FRAME_X_P (f)), FRAME_X_DISPLAY_INFO (f)->resx)
#define FRAME_RES_Y(f)                                          \
  (eassert (FRAME_X_P (f)), FRAME_X_DISPLAY_INFO (f)->resy)
#endif

#ifdef HAVE_NTGUI
#define FRAME_RES_X(f)                                          \
  (eassert (FRAME_W32_P (f)), FRAME_W32_DISPLAY_INFO (f)->resx)
#define FRAME_RES_Y(f)                                          \
  (eassert (FRAME_W32_P (f)), FRAME_W32_DISPLAY_INFO (f)->resy)
#endif

#ifdef HAVE_NS
#define FRAME_RES_X(f)                                          \
  (eassert (FRAME_NS_P (f)), FRAME_NS_DISPLAY_INFO (f)->resx)
#define FRAME_RES_Y(f)                                          \
  (eassert (FRAME_NS_P (f)), FRAME_NS_DISPLAY_INFO (f)->resy)
#endif

/* Defaults when no window system available.  */

#ifndef FRAME_RES_X
#define FRAME_RES_X(f) default_pixels_per_inch_x ()
#define FRAME_RES_Y(f) default_pixels_per_inch_y ()
#endif

/* FRAME_WINDOW_P tests whether the frame is a window, and is
   defined to be the predicate for the window system being used.  */

#ifdef HAVE_X_WINDOWS
#define FRAME_WINDOW_P(f) FRAME_X_P (f)
#endif
#ifdef HAVE_NTGUI
#define FRAME_WINDOW_P(f) FRAME_W32_P (f)
#endif
#ifdef HAVE_NS
#define FRAME_WINDOW_P(f) FRAME_NS_P(f)
#endif
#ifndef FRAME_WINDOW_P
#define FRAME_WINDOW_P(f) ((void) (f), 0)
#endif

/* Return a pointer to the structure holding information about the
   region of text, if any, that is currently shown in mouse-face on
   frame F.  We need to define two versions because a TTY-only build
   does not have FRAME_X_DISPLAY_INFO.  */
#ifdef HAVE_WINDOW_SYSTEM
# define MOUSE_HL_INFO(F)                                       \
  (FRAME_WINDOW_P(F)                                            \
   ? &FRAME_X_DISPLAY_INFO(F)->mouse_highlight                  \
   : &(F)->output_data.tty->display_info->mouse_highlight)
#else
# define MOUSE_HL_INFO(F)                                       \
  (&(F)->output_data.tty->display_info->mouse_highlight)
#endif

/* Nonzero if frame F is still alive (not deleted).  */
#define FRAME_LIVE_P(f) ((f)->terminal != 0)

/* Nonzero if frame F is a minibuffer-only frame.  */
#define FRAME_MINIBUF_ONLY_P(f) \
  EQ (FRAME_ROOT_WINDOW (f), FRAME_MINIBUF_WINDOW (f))

/* Nonzero if frame F contains a minibuffer window.
   (If this is 0, F must use some other minibuffer window.)  */
#define FRAME_HAS_MINIBUF_P(f) ((f)->has_minibuffer)

/* Pixel height of frame F, including non-toolkit menu bar and
   non-toolkit tool bar lines.  */
#define FRAME_PIXEL_HEIGHT(f) ((f)->pixel_height)

/* Pixel width of frame F.  */
#define FRAME_PIXEL_WIDTH(f) ((f)->pixel_width)

/* Height of frame F, measured in canonical lines, including
   non-toolkit menu bar and non-toolkit tool bar lines.  */
#define FRAME_LINES(f) (f)->text_lines

/* Width of frame F, measured in canonical character columns,
   not including scroll bars if any.  */
#define FRAME_COLS(f) (f)->text_cols

/* Number of lines of frame F used for menu bar.
   This is relevant on terminal frames and on
   X Windows when not using the X toolkit.
   These lines are counted in FRAME_LINES.  */
#define FRAME_MENU_BAR_LINES(f) (f)->menu_bar_lines

/* Nonzero if this frame should display a tool bar
   in a way that does not use any text lines.  */
#if defined (USE_GTK) || defined (HAVE_NS)
#define FRAME_EXTERNAL_TOOL_BAR(f) (f)->external_tool_bar
#else
#define FRAME_EXTERNAL_TOOL_BAR(f) 0
#endif

/* Number of lines of frame F used for the tool-bar.  */

#define FRAME_TOOL_BAR_LINES(f) (f)->tool_bar_lines


/* Lines above the top-most window in frame F.  */

#define FRAME_TOP_MARGIN(F) \
  (FRAME_MENU_BAR_LINES (F) + FRAME_TOOL_BAR_LINES (F))

/* Pixel height of the top margin above.  */

#define FRAME_TOP_MARGIN_HEIGHT(f) \
  (FRAME_TOP_MARGIN (f) * FRAME_LINE_HEIGHT (f))

/* Nonzero if this frame should display a menu bar
   in a way that does not use any text lines.  */
#if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI) \
     || defined (HAVE_NS) || defined (USE_GTK)
#define FRAME_EXTERNAL_MENU_BAR(f) (f)->external_menu_bar
#else
#define FRAME_EXTERNAL_MENU_BAR(f) 0
#endif
#define FRAME_VISIBLE_P(f) (f)->visible

/* Nonzero if frame F is currently visible but hidden.  */
#define FRAME_OBSCURED_P(f) ((f)->visible > 1)

/* Nonzero if frame F is currently iconified.  */
#define FRAME_ICONIFIED_P(f) (f)->iconified

/* Mark frame F as currently garbaged.  */
#define SET_FRAME_GARBAGED(f) (frame_garbaged = 1, f->garbaged = 1)

/* Nonzero if frame F is currently garbaged.  */
#define FRAME_GARBAGED_P(f) (f)->garbaged

/* Nonzero means do not allow splitting this frame's window.  */
#define FRAME_NO_SPLIT_P(f) (f)->no_split

/* Not really implemented.  */
#define FRAME_WANTS_MODELINE_P(f) (f)->wants_modeline

/* Nonzero if a size change has been requested for frame F
   but not yet really put into effect.  This can be true temporarily
   when an X event comes in at a bad time.  */
#define FRAME_WINDOW_SIZES_CHANGED(f) (f)->window_sizes_changed

/* The minibuffer window of frame F, if it has one; otherwise nil.  */
#define FRAME_MINIBUF_WINDOW(f) f->minibuffer_window

/* The root window of the window tree of frame F.  */
#define FRAME_ROOT_WINDOW(f) f->root_window

/* The currently selected window of the window tree of frame F.  */
#define FRAME_SELECTED_WINDOW(f) f->selected_window

#define FRAME_INSERT_COST(f) (f)->insert_line_cost
#define FRAME_DELETE_COST(f) (f)->delete_line_cost
#define FRAME_INSERTN_COST(f) (f)->insert_n_lines_cost
#define FRAME_DELETEN_COST(f) (f)->delete_n_lines_cost
#define FRAME_FOCUS_FRAME(f) f->focus_frame

/* This frame slot says whether scroll bars are currently enabled for frame F,
   and which side they are on.  */
#define FRAME_VERTICAL_SCROLL_BAR_TYPE(f) ((f)->vertical_scroll_bar_type)
#define FRAME_HAS_VERTICAL_SCROLL_BARS(f) \
  ((f)->vertical_scroll_bar_type != vertical_scroll_bar_none)
#define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT(f) \
  ((f)->vertical_scroll_bar_type == vertical_scroll_bar_left)
#define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT(f) \
  ((f)->vertical_scroll_bar_type == vertical_scroll_bar_right)

/* Width that a scroll bar in frame F should have, if there is one.
   Measured in pixels.
   If scroll bars are turned off, this is still nonzero.  */
#define FRAME_CONFIG_SCROLL_BAR_WIDTH(f) ((f)->config_scroll_bar_width)

/* Width that a scroll bar in frame F should have, if there is one.
   Measured in columns (characters).
   If scroll bars are turned off, this is still nonzero.  */
#define FRAME_CONFIG_SCROLL_BAR_COLS(f) ((f)->config_scroll_bar_cols)

/* Width of a scroll bar in frame F, measured in columns (characters),
   but only if scroll bars are on the left.  If scroll bars are on
   the right in this frame, or there are no scroll bars, value is 0.  */

#define FRAME_LEFT_SCROLL_BAR_COLS(f)                   \
  (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)           \
   ? FRAME_CONFIG_SCROLL_BAR_COLS (f)                   \
   : 0)

/* Width of a left scroll bar in frame F, measured in pixels */

#define FRAME_LEFT_SCROLL_BAR_AREA_WIDTH(f)                             \
  (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)                           \
   ? (FRAME_CONFIG_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f))        \
   : 0)

/* Width of a scroll bar in frame F, measured in columns (characters),
   but only if scroll bars are on the right.  If scroll bars are on
   the left in this frame, or there are no scroll bars, value is 0.  */

#define FRAME_RIGHT_SCROLL_BAR_COLS(f)                  \
  (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)          \
   ? FRAME_CONFIG_SCROLL_BAR_COLS (f)                   \
   : 0)

/* Width of a right scroll bar area in frame F, measured in pixels */

#define FRAME_RIGHT_SCROLL_BAR_AREA_WIDTH(f)                            \
  (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)                          \
   ? (FRAME_CONFIG_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f))        \
   : 0)

/* Actual width of a scroll bar in frame F, measured in columns.  */

#define FRAME_SCROLL_BAR_COLS(f)                        \
  (FRAME_HAS_VERTICAL_SCROLL_BARS (f)                   \
   ? FRAME_CONFIG_SCROLL_BAR_COLS (f)                   \
   : 0)

/* Actual width of a scroll bar area in frame F, measured in pixels.  */

#define FRAME_SCROLL_BAR_AREA_WIDTH(f)                                  \
  (FRAME_HAS_VERTICAL_SCROLL_BARS (f)                                   \
   ? (FRAME_CONFIG_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f))        \
   : 0)

/* Total width of frame F, in columns (characters),
   including the width used by scroll bars if any.  */

#define FRAME_TOTAL_COLS(f) ((f)->total_cols)

/* Set the width of frame F to VAL.
   VAL is the width of a full-frame window,
   not including scroll bars and fringes.  */

#define SET_FRAME_COLS(f, val)                                          \
  (FRAME_COLS (f) = (val),                                              \
   (f)->total_cols = FRAME_TOTAL_COLS_ARG (f, FRAME_COLS (f)))

/* Given a value WIDTH for frame F's nominal width,
   return the value that FRAME_TOTAL_COLS should have.  */

#define FRAME_TOTAL_COLS_ARG(f, width)          \
  ((width)                                      \
   + FRAME_SCROLL_BAR_COLS (f)                  \
   + FRAME_FRINGE_COLS (f))

/* Maximum + 1 legitimate value for FRAME_CURSOR_X.  */

#define FRAME_CURSOR_X_LIMIT(f) \
  (FRAME_COLS (f) + FRAME_LEFT_SCROLL_BAR_COLS (f))

/* Nonzero if frame F has scroll bars.  */

#define FRAME_SCROLL_BARS(f) (f->scroll_bars)

#define FRAME_CONDEMNED_SCROLL_BARS(f) (f->condemned_scroll_bars)
#define FRAME_MENU_BAR_ITEMS(f) (f->menu_bar_items)
#define FRAME_COST_BAUD_RATE(f) ((f)->cost_calculation_baud_rate)

#define FRAME_DESIRED_CURSOR(f) ((f)->desired_cursor)
#define FRAME_BLINK_OFF_CURSOR(f) ((f)->blink_off_cursor)
#define FRAME_CURSOR_WIDTH(f) ((f)->cursor_width)
#define FRAME_BLINK_OFF_CURSOR_WIDTH(f) ((f)->blink_off_cursor_width)

/* Return a pointer to the face cache of frame F.  */

#define FRAME_FACE_CACHE(F)     (F)->face_cache

/* Return the size of message_buf of the frame F.  We multiply the
   width of the frame by 4 because multi-byte form may require at most
   4-byte for a character.  */

#define FRAME_MESSAGE_BUF_SIZE(f) (((int) FRAME_COLS (f)) * 4)

#define CHECK_FRAME(x) \
  CHECK_TYPE (FRAMEP (x), Qframep, x)

#define CHECK_LIVE_FRAME(x) \
  CHECK_TYPE (FRAMEP (x) && FRAME_LIVE_P (XFRAME (x)), Qframe_live_p, x)

/* FOR_EACH_FRAME (LIST_VAR, FRAME_VAR) followed by a statement is a
   `for' loop which iterates over the elements of Vframe_list.  The
   loop will set FRAME_VAR, a Lisp_Object, to each frame in
   Vframe_list in succession and execute the statement.  LIST_VAR
   should be a Lisp_Object too; it is used to iterate through the
   Vframe_list.

   This macro is a holdover from a time when multiple frames weren't always
   supported.  An alternate definition of the macro would expand to
   something which executes the statement once.  */

#define FOR_EACH_FRAME(list_var, frame_var)     \
  for ((list_var) = Vframe_list;                \
       (CONSP (list_var)                        \
        && (frame_var = XCAR (list_var), 1));   \
       list_var = XCDR (list_var))

/* Reflect mouse movement when a complete frame update is performed.  */

#define FRAME_MOUSE_UPDATE(frame)                               \
  do {                                                          \
    Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (frame);               \
    if (frame == hlinfo->mouse_face_mouse_frame)                \
      {                                                         \
        block_input ();                                         \
        if (hlinfo->mouse_face_mouse_frame)                     \
          note_mouse_highlight (hlinfo->mouse_face_mouse_frame, \
                                hlinfo->mouse_face_mouse_x,     \
                                hlinfo->mouse_face_mouse_y);    \
        unblock_input ();                                       \
      }                                                         \
  } while (0)

/* Set visibility of frame F, marking F as garbaged if needed.  */

#define SET_FRAME_VISIBLE(f, v)                         \
  (((f)->visible == 0 || ((f)->visible == 2))           \
   && ((v) == 1) ? SET_FRAME_GARBAGED (f) : 0,          \
   (f)->visible = (eassert (0 <= (v) && (v) <= 2), (v)))

/* Set iconify of frame F.  */

#define SET_FRAME_ICONIFIED(f, i)                       \
  (f)->iconified = (eassert (0 <= (i) && (i) <= 1), (i))

extern Lisp_Object Qframep, Qframe_live_p;
extern Lisp_Object Qtty, Qtty_type;
extern Lisp_Object Qtty_color_mode;
extern Lisp_Object Qterminal, Qterminal_live_p;
extern Lisp_Object Qnoelisp;

extern struct frame *last_nonminibuf_frame;

extern void set_menu_bar_lines (struct frame *, Lisp_Object, Lisp_Object);
extern struct frame *decode_window_system_frame (Lisp_Object);
extern struct frame *decode_live_frame (Lisp_Object);
extern struct frame *decode_any_frame (Lisp_Object);
extern struct frame *make_initial_frame (void);
extern struct frame *make_frame (int);
#ifdef HAVE_WINDOW_SYSTEM
extern struct frame *make_minibuffer_frame (void);
extern struct frame *make_frame_without_minibuffer (Lisp_Object,
                                                    struct kboard *,
                                                    Lisp_Object);
#endif /* HAVE_WINDOW_SYSTEM */
extern bool window_system_available (struct frame *);
extern void check_window_system (struct frame *);
extern void frame_make_pointer_invisible (void);
extern void frame_make_pointer_visible (void);
extern Lisp_Object delete_frame (Lisp_Object, Lisp_Object);

extern Lisp_Object Vframe_list;
\f
/* The currently selected frame.  */

extern Lisp_Object selected_frame;

/* Value is a pointer to the selected frame.  If the selected frame
   isn't live, abort.  */

#define SELECTED_FRAME()                                \
     ((FRAMEP (selected_frame)                          \
       && FRAME_LIVE_P (XFRAME (selected_frame)))       \
      ? XFRAME (selected_frame)                         \
      : (emacs_abort (), (struct frame *) 0))

\f
/***********************************************************************
                        Display-related Macros
 ***********************************************************************/

/* Canonical y-unit on frame F.
   This value currently equals the line height of the frame (which is
   the height of the default font of F).  */

#define FRAME_LINE_HEIGHT(F) ((F)->line_height)

/* Canonical x-unit on frame F.
   This value currently equals the average width of the default font of F.  */

#define FRAME_COLUMN_WIDTH(F) ((F)->column_width)

/* Pixel width of areas used to display truncation marks, continuation
   marks, overlay arrows.  This is 0 for terminal frames.  */

#ifdef HAVE_WINDOW_SYSTEM

/* Total width of fringes reserved for drawing truncation bitmaps,
   continuation bitmaps and alike.  The width is in canonical char
   units of the frame.  This must currently be the case because window
   sizes aren't pixel values.  If it weren't the case, we wouldn't be
   able to split windows horizontally nicely.  */

#define FRAME_FRINGE_COLS(F) ((F)->fringe_cols)

/* Pixel-width of the left and right fringe.  */

#define FRAME_LEFT_FRINGE_WIDTH(F) ((F)->left_fringe_width)
#define FRAME_RIGHT_FRINGE_WIDTH(F) ((F)->right_fringe_width)

/* Total width of fringes in pixels.  */

#define FRAME_TOTAL_FRINGE_WIDTH(F) \
  (FRAME_LEFT_FRINGE_WIDTH (F) + FRAME_RIGHT_FRINGE_WIDTH (F))


/* Pixel-width of internal border lines */

#define FRAME_INTERNAL_BORDER_WIDTH(F) ((F)->internal_border_width)

#else /* not HAVE_WINDOW_SYSTEM */

#define FRAME_FRINGE_COLS(F)    0
#define FRAME_TOTAL_FRINGE_WIDTH(F)     0
#define FRAME_LEFT_FRINGE_WIDTH(F)  0
#define FRAME_RIGHT_FRINGE_WIDTH(F) 0
#define FRAME_INTERNAL_BORDER_WIDTH(F) 0

#endif /* not HAVE_WINDOW_SYSTEM */



\f
/***********************************************************************
            Conversion between canonical units and pixels
 ***********************************************************************/

/* Canonical x-values are fractions of FRAME_COLUMN_WIDTH, canonical
   y-unit are fractions of FRAME_LINE_HEIGHT of a frame.  Both are
   represented as Lisp numbers, i.e. integers or floats.  */

/* Convert canonical value X to pixels.  F is the frame whose
   canonical char width is to be used.  X must be a Lisp integer or
   float.  Value is a C integer.  */

#define FRAME_PIXEL_X_FROM_CANON_X(F, X)                \
  (INTEGERP (X)                                         \
   ? XINT (X) * FRAME_COLUMN_WIDTH (F)                  \
   : (int) (XFLOAT_DATA (X) * FRAME_COLUMN_WIDTH (F)))

/* Convert canonical value Y to pixels.  F is the frame whose
   canonical character height is to be used.  X must be a Lisp integer
   or float.  Value is a C integer.  */

#define FRAME_PIXEL_Y_FROM_CANON_Y(F, Y)                \
  (INTEGERP (Y)                                         \
   ? XINT (Y) * FRAME_LINE_HEIGHT (F)                   \
   : (int) (XFLOAT_DATA (Y) * FRAME_LINE_HEIGHT (F)))

/* Convert pixel-value X to canonical units.  F is the frame whose
   canonical character width is to be used.  X is a C integer.  Result
   is a Lisp float if X is not a multiple of the canon width,
   otherwise it's a Lisp integer.  */

#define FRAME_CANON_X_FROM_PIXEL_X(F, X)                        \
  ((X) % FRAME_COLUMN_WIDTH (F) != 0                            \
   ? make_float ((double) (X) / FRAME_COLUMN_WIDTH (F))         \
   : make_number ((X) / FRAME_COLUMN_WIDTH (F)))

/* Convert pixel-value Y to canonical units.  F is the frame whose
   canonical character height is to be used.  Y is a C integer.
   Result is a Lisp float if Y is not a multiple of the canon width,
   otherwise it's a Lisp integer.  */

#define FRAME_CANON_Y_FROM_PIXEL_Y(F, Y)                        \
  ((Y) % FRAME_LINE_HEIGHT (F)                                  \
   ? make_float ((double) (Y) / FRAME_LINE_HEIGHT (F))          \
   : make_number ((Y) / FRAME_LINE_HEIGHT (F)))


\f
/* Manipulating pixel sizes and character sizes.
   Knowledge of which factors affect the overall size of the window should
   be hidden in these macros, if that's possible.

   Return the upper/left pixel position of the character cell on frame F
   at ROW/COL.  */

#define FRAME_LINE_TO_PIXEL_Y(f, row) \
  (((row) < FRAME_TOP_MARGIN (f) ? 0 : FRAME_INTERNAL_BORDER_WIDTH (f)) \
   + (row) * FRAME_LINE_HEIGHT (f))

#define FRAME_COL_TO_PIXEL_X(f, col) \
  (FRAME_INTERNAL_BORDER_WIDTH (f) \
   + (col) * FRAME_COLUMN_WIDTH (f))

/* Return the pixel width/height of frame F if it has
   COLS columns/LINES rows.  */

#define FRAME_TEXT_COLS_TO_PIXEL_WIDTH(f, cols) \
  (FRAME_COL_TO_PIXEL_X (f, cols) \
   + (f)->scroll_bar_actual_width \
   + FRAME_TOTAL_FRINGE_WIDTH (f)      \
   + FRAME_INTERNAL_BORDER_WIDTH (f))

#define FRAME_TEXT_LINES_TO_PIXEL_HEIGHT(f, lines) \
  ((lines) * FRAME_LINE_HEIGHT (f) \
   + 2 * FRAME_INTERNAL_BORDER_WIDTH (f))


/* Return the row/column (zero-based) of the character cell containing
   the pixel on FRAME at Y/X.  */

#define FRAME_PIXEL_Y_TO_LINE(f, y) \
  (((y) < FRAME_TOP_MARGIN_HEIGHT (f)   \
    ? (y)       \
    : ((y) < FRAME_TOP_MARGIN_HEIGHT (f) + FRAME_INTERNAL_BORDER_WIDTH (f) \
       ? (y) - (FRAME_TOP_MARGIN_HEIGHT (f) + FRAME_INTERNAL_BORDER_WIDTH (f) \
                /* Arrange for the division to round down.  */  \
                + FRAME_LINE_HEIGHT (f) - 1)    \
       : (y) - FRAME_INTERNAL_BORDER_WIDTH (f)))        \
   / FRAME_LINE_HEIGHT (f))

#define FRAME_PIXEL_X_TO_COL(f, x) \
  (((x) - FRAME_INTERNAL_BORDER_WIDTH (f))      \
   / FRAME_COLUMN_WIDTH (f))

/* How many columns/rows of text can we fit in WIDTH/HEIGHT pixels on
   frame F?  */

#define FRAME_PIXEL_WIDTH_TO_TEXT_COLS(f, width)                \
  (FRAME_PIXEL_X_TO_COL (f, ((width)                            \
                             - FRAME_INTERNAL_BORDER_WIDTH (f)  \
                             - FRAME_TOTAL_FRINGE_WIDTH (f)     \
                             - (f)->scroll_bar_actual_width)))

#define FRAME_PIXEL_HEIGHT_TO_TEXT_LINES(f, height) \
  (FRAME_PIXEL_Y_TO_LINE (f, ((height) \
                              - FRAME_INTERNAL_BORDER_WIDTH (f))))


/***********************************************************************
                                Frame Parameters
 ***********************************************************************/

extern Lisp_Object Qauto_raise, Qauto_lower;
extern Lisp_Object Qborder_color, Qborder_width;
extern Lisp_Object Qbuffer_predicate;
extern Lisp_Object Qcursor_color, Qcursor_type;
extern Lisp_Object Qfont;
extern Lisp_Object Qbackground_color, Qforeground_color;
extern Lisp_Object Qicon, Qicon_name, Qicon_type, Qicon_left, Qicon_top;
extern Lisp_Object Qinternal_border_width;
extern Lisp_Object Qtooltip;
extern Lisp_Object Qmenu_bar_lines, Qtool_bar_lines, Qtool_bar_position;
extern Lisp_Object Qmouse_color;
extern Lisp_Object Qname, Qtitle;
extern Lisp_Object Qparent_id;
extern Lisp_Object Qunsplittable, Qvisibility;
extern Lisp_Object Qscroll_bar_width, Qvertical_scroll_bars;
extern Lisp_Object Qscroll_bar_foreground, Qscroll_bar_background;
extern Lisp_Object Qscreen_gamma;
extern Lisp_Object Qline_spacing;
extern Lisp_Object Qwait_for_wm;
extern Lisp_Object Qfullscreen;
extern Lisp_Object Qfullwidth, Qfullheight, Qfullboth, Qmaximized;
extern Lisp_Object Qsticky;
extern Lisp_Object Qfont_backend;
extern Lisp_Object Qalpha;

extern Lisp_Object Qleft_fringe, Qright_fringe;
extern Lisp_Object Qheight, Qwidth;
extern Lisp_Object Qminibuffer, Qmodeline;
extern Lisp_Object Qx, Qw32, Qpc, Qns;
extern Lisp_Object Qvisible;
extern Lisp_Object Qdisplay_type;

extern Lisp_Object Qx_resource_name;

extern Lisp_Object Qleft, Qright, Qtop, Qbox, Qbottom;
extern Lisp_Object Qdisplay;

extern Lisp_Object Qrun_hook_with_args;

#ifdef HAVE_WINDOW_SYSTEM

/* The class of this X application.  */
#define EMACS_CLASS "Emacs"

/* These are in xterm.c, w32term.c, etc.  */

extern void x_set_scroll_bar_default_width (struct frame *);
extern void x_set_offset (struct frame *, int, int, int);
extern void x_wm_set_icon_position (struct frame *, int, int);
extern void x_wm_set_size_hint (FRAME_PTR f, long flags, bool user_position);

extern Lisp_Object x_new_font (struct frame *, Lisp_Object, int);


extern Lisp_Object Qface_set_after_frame_default;

#ifdef HAVE_NTGUI
extern void x_fullscreen_adjust (struct frame *f, int *, int *,
                                 int *, int *);
#endif

extern void x_set_frame_parameters (struct frame *, Lisp_Object);

extern void x_set_fullscreen (struct frame *, Lisp_Object, Lisp_Object);
extern void x_set_line_spacing (struct frame *, Lisp_Object, Lisp_Object);
extern void x_set_screen_gamma (struct frame *, Lisp_Object, Lisp_Object);
extern void x_set_font (struct frame *, Lisp_Object, Lisp_Object);
extern void x_set_font_backend (struct frame *, Lisp_Object, Lisp_Object);
extern void x_set_fringe_width (struct frame *, Lisp_Object, Lisp_Object);
extern void x_set_border_width (struct frame *, Lisp_Object, Lisp_Object);
extern void x_set_internal_border_width (struct frame *, Lisp_Object,
                                         Lisp_Object);
extern void x_set_visibility (struct frame *, Lisp_Object, Lisp_Object);
extern void x_set_autoraise (struct frame *, Lisp_Object, Lisp_Object);
extern void x_set_autolower (struct frame *, Lisp_Object, Lisp_Object);
extern void x_set_unsplittable (struct frame *, Lisp_Object, Lisp_Object);
extern void x_set_vertical_scroll_bars (struct frame *, Lisp_Object,
                                        Lisp_Object);
extern void x_set_scroll_bar_width (struct frame *, Lisp_Object,
                                    Lisp_Object);

extern Lisp_Object x_icon_type (struct frame *);

extern int x_figure_window_size (struct frame *, Lisp_Object, int);

extern void x_set_alpha (struct frame *, Lisp_Object, Lisp_Object);

extern void validate_x_resource_name (void);

extern Lisp_Object display_x_get_resource (Display_Info *,
                                           Lisp_Object attribute,
                                           Lisp_Object class,
                                           Lisp_Object component,
                                           Lisp_Object subclass);

extern void set_frame_menubar (struct frame *f, bool first_time, bool deep_p);
extern void x_set_window_size (struct frame *f, int change_grav,
                              int cols, int rows);
extern void x_sync (struct frame *);
extern Lisp_Object x_get_focus_frame (struct frame *);
extern void x_set_mouse_position (struct frame *f, int h, int v);
extern void x_set_mouse_pixel_position (struct frame *f, int pix_x, int pix_y);
extern void x_make_frame_visible (struct frame *f);
extern void x_make_frame_invisible (struct frame *f);
extern void x_iconify_frame (struct frame *f);
extern int x_pixel_width (struct frame *f);
extern int x_pixel_height (struct frame *f);
extern void x_set_frame_alpha (struct frame *f);
extern void x_set_menu_bar_lines (struct frame *, Lisp_Object, Lisp_Object);
extern void x_set_tool_bar_lines (struct frame *f,
                                  Lisp_Object value,
                                  Lisp_Object oldval);
extern void x_activate_menubar (struct frame *);
extern void x_real_positions (struct frame *, int *, int *);
extern int x_bitmap_icon (struct frame *, Lisp_Object);
extern void x_set_menu_bar_lines (struct frame *,
                                  Lisp_Object,
                                  Lisp_Object);
extern void free_frame_menubar (struct frame *);
extern void x_free_frame_resources (struct frame *);

#if defined HAVE_X_WINDOWS && !defined USE_X_TOOLKIT
extern char *x_get_resource_string (const char *, const char *);
#endif

extern void x_query_colors (struct frame *f, XColor *, int);
extern void x_query_color (struct frame *f, XColor *);

#endif /* HAVE_WINDOW_SYSTEM */
\f
/***********************************************************************
                        Multimonitor data
 ***********************************************************************/

#ifdef HAVE_WINDOW_SYSTEM

struct MonitorInfo {
  XRectangle geom, work;
  int mm_width, mm_height;
  char *name;
};

extern void free_monitors (struct MonitorInfo *monitors, int n_monitors);
extern Lisp_Object make_monitor_attribute_list (struct MonitorInfo *monitors,
                                                int n_monitors,
                                                int primary_monitor,
                                                Lisp_Object monitor_frames,
                                                const char *source);

#endif /* HAVE_WINDOW_SYSTEM */


INLINE_HEADER_END

#endif /* not EMACS_FRAME_H */