/* Define frame-object for GNU Emacs.
- Copyright (C) 1988, 1992 Free Software Foundation, Inc.
+ Copyright (C) 1993, 1994 Free Software Foundation, Inc.
This file is part of GNU Emacs.
along with GNU Emacs; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+\f
+/* Miscellanea. */
+
+/* Nonzero means don't assume anything about current
+ contents of actual terminal frame */
+extern int frame_garbaged;
+
+/* Nonzero means FRAME_MESSAGE_BUF (selected_frame) is being used by
+ print. */
+extern int message_buf_print;
+\f
/* The structure representing a frame.
We declare this even if MULTI_FRAME is not defined, because when
having miscellaneous random variables scattered about. */
enum output_method
-{ output_termcap, output_x_window };
+{ output_termcap, output_x_window, output_msdos_raw, output_win32 };
struct frame
{
- int size;
+ EMACS_INT size;
struct Lisp_Vector *next;
+ /* All Lisp_Object components must come first.
+ Only EMACS_INT values can be intermixed with them.
+ That ensures they are all aligned normally. */
+
+ /* Name of this frame: a Lisp string. See also `explicit_name'
+ and `namebuf'. */
+ 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;
+
+ /* 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 `display' 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;
+
+ /* List of elements to display in the menu bar.
+ The elements have the form (KEY STRING . nil) to start;
+ when they are displayed, the hpos of the left edge goes in the cddr. */
+ 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;
+ /* Number of elements in the vector that have meaningful data. */
+ EMACS_INT menu_bar_items_used;
+
+ /* Predicate for selecting buffers for other-buffer. */
+ Lisp_Object buffer_predicate;
+
+ /* Beyond here, there should be no more Lisp_Object components. */
+
+
+ /* 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;
+
/* glyphs as they appear on the frame */
struct frame_glyphs *current_glyphs;
GLYPH phys_cursor_glyph;
/* Size of this frame, in units of characters. */
- int height;
- int width;
+ EMACS_INT height;
+ EMACS_INT width;
/* New height and width for pending size change. 0 if no change pending. */
int new_height, new_width;
- /* Name of this frame: a Lisp string. */
- Lisp_Object name;
-
- /* The frame which should recieve keystrokes that occur in this
- frame. This is usually the frame itself, but if the frame is
- minibufferless, this points to the minibuffer frame when it is
- active. */
- 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;
-
/* The output method says how the contents of this frame
are displayed. It could be using termcap, or using an X window. */
enum output_method output_method;
/* A structure of auxiliary data used for displaying the contents.
- struct x_display is used for X window frames;
- it is defined in xterm.h. */
- union display { struct x_display *x; int nothing; } display;
+ struct x_output is used for X window frames;
+ it is defined in xterm.h.
+ struct win32_output is used for Win32 window frames;
+ it is defined in w32term.h. */
+ union output_data { struct x_output *x; struct win32_output *win32; int nothing; } output_data;
+
+#ifdef MULTI_KBOARD
+ /* A pointer to the kboard structure associated with this frame.
+ For termcap frames, this points to initial_kboard. For X frames,
+ it will be the same as display.x->display_info->kboard. */
+ struct kboard *kboard;
+#endif
+
+ /* Number of lines of menu bar. */
+ int menu_bar_lines;
+
+#if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI)
+ /* Nonzero means using a menu bar that comes from the X toolkit. */
+ int external_menu_bar;
+#endif
/* Nonzero if last attempt at redisplay on this frame was preempted. */
char display_preempted;
- /* Nonzero if frame is currently displayed. */
- char visible;
+ /* visible is nonzero if the frame is currently displayed; we check
+ it to see if we should bother updating the frame's contents.
+ DON'T SET IT DIRECTLY; instead, use FRAME_SET_VISIBLE.
+
+ Note that, since invisible frames aren't updated, whenever a
+ frame becomes visible again, it must be marked as garbaged. The
+ FRAME_SAMPLE_VISIBILITY macro takes care of this.
+
+ iconified is nonzero if the frame is currently iconified.
+
+ Asynchronous input handlers should NOT change these directly;
+ instead, they should change async_visible or async_iconified, and
+ let the FRAME_SAMPLE_VISIBILITY macro set visible and iconified
+ at the next redisplay.
- /* Nonzero if window is currently iconified.
- This and visible are mutually exclusive. */
- char iconified;
+ These should probably be considered read-only by everyone except
+ FRAME_SAMPLE_VISIBILITY.
+
+ These two are mutually exclusive. They might both be zero, if the
+ frame has been made invisible without an icon. */
+ char visible, iconified;
+
+ /* Asynchronous input handlers change these, and
+ FRAME_SAMPLE_VISIBILITY copies them into visible and iconified.
+ See FRAME_SAMPLE_VISIBILITY, below. */
+#ifdef __STDC__
+ volatile
+#endif
+ char async_visible, async_iconified;
/* Nonzero if this frame should be redrawn. */
+#ifdef __STDC__
+ volatile
+#endif
char garbaged;
/* True if frame actually has a minibuffer window on it.
show no modeline for that window. */
char wants_modeline;
+ /* Non-zero if the hardware device this frame is displaying on can
+ support scroll bars. */
+ char can_have_scroll_bars;
+
+ /* If can_have_scroll_bars is non-zero, this is non-zero if we should
+ actually display them on this frame. */
+ char has_vertical_scroll_bars;
+
/* Non-0 means raise this frame to the top of the heap when selected. */
char auto_raise;
/* True if frame's root window can't be split. */
char no_split;
+ /* 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. */
+ char explicit_name;
+
+ /* Nonzero if size of some window on this frame has changed. */
+ char window_sizes_changed;
+
/* Storage for messages to this frame. */
char *message_buf;
/* Nonnegative if current redisplay should not do scroll computation
for lines beyond a certain vpos. This is the vpos. */
int scroll_bottom_vpos;
+
+ /* Width of the scroll bar, in pixels and in characters.
+ scroll_bar_cols tracks scroll_bar_pixel_width if the latter is positive;
+ a zero value in scroll_bar_pixel_width means to compute the actual width
+ on the fly, using scroll_bar_cols and the current font width. */
+ int scroll_bar_pixel_width;
+ int scroll_bar_cols;
+
+ /* The baud rate that was used to calculate costs for this frame. */
+ int cost_calculation_baud_rate;
+
+ /* Nonzero if the mouse has moved on this display
+ since the last time we checked. */
+ char mouse_moved;
};
+#ifdef MULTI_KBOARD /* Note that MULTI_KBOARD implies MULTI_FRAME */
+#define FRAME_KBOARD(f) ((f)->kboard)
+#else
+#define FRAME_KBOARD(f) (&the_only_kboard)
+#endif
+
#ifdef MULTI_FRAME
typedef struct frame *FRAME_PTR;
#define XFRAME(p) ((struct frame *) XPNTR (p))
-#define XSETFRAME(p, v) ((struct frame *) XSETPNTR (p, v))
+#define XSETFRAME(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_FRAME))
#define WINDOW_FRAME(w) (w)->frame
-#define FRAMEP(f) (XTYPE(f) == Lisp_Frame)
-#define FRAME_LIVE_P(f) ((f)->display.nothing != 0)
-#define FRAME_IS_TERMCAP(f) ((f)->output_method == output_termcap)
-#define FRAME_IS_X(f) ((f)->output_method == output_x_window)
+#define FRAME_X_P(f) ((f)->output_method == output_x_window)
+#define FRAME_WIN32_P(f) ((f)->output_method == output_win32)
+
+/* 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_WIN32_P (f)
+#endif
+#ifndef FRAME_WINDOW_P
+#define FRAME_WINDOW_P(f) (0)
+#endif
+
+#define FRAME_LIVE_P(f) ((f)->output_data.nothing != 0)
+#define FRAME_TERMCAP_P(f) ((f)->output_method == output_termcap)
#define FRAME_MINIBUF_ONLY_P(f) \
EQ (FRAME_ROOT_WINDOW (f), FRAME_MINIBUF_WINDOW (f))
-#define FRAME_HAS_MINIBUF(f) ((f)->has_minibuffer)
+#define FRAME_HAS_MINIBUF_P(f) ((f)->has_minibuffer)
#define FRAME_CURRENT_GLYPHS(f) (f)->current_glyphs
#define FRAME_DESIRED_GLYPHS(f) (f)->desired_glyphs
#define FRAME_TEMP_GLYPHS(f) (f)->temp_glyphs
#define FRAME_WIDTH(f) (f)->width
#define FRAME_NEW_HEIGHT(f) (f)->new_height
#define FRAME_NEW_WIDTH(f) (f)->new_width
+#define FRAME_MENU_BAR_LINES(f) (f)->menu_bar_lines
+#if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI)
+#define FRAME_EXTERNAL_MENU_BAR(f) (f)->external_menu_bar
+#else
+#define FRAME_EXTERNAL_MENU_BAR(f) 0
+#endif
#define FRAME_CURSOR_X(f) (f)->cursor_x
#define FRAME_CURSOR_Y(f) (f)->cursor_y
-#define FRAME_VISIBLE_P(f) (f)->visible
+#define FRAME_VISIBLE_P(f) ((f)->visible != 0)
+#define FRAME_SET_VISIBLE(f,p) \
+ ((f)->async_visible = (p), FRAME_SAMPLE_VISIBILITY (f))
#define SET_FRAME_GARBAGED(f) (frame_garbaged = 1, f->garbaged = 1)
#define FRAME_GARBAGED_P(f) (f)->garbaged
#define FRAME_NO_SPLIT_P(f) (f)->no_split
#define FRAME_WANTS_MODELINE_P(f) (f)->wants_modeline
#define FRAME_ICONIFIED_P(f) (f)->iconified
+#define FRAME_WINDOW_SIZES_CHANGED(f) (f)->window_sizes_changed
#define FRAME_MINIBUF_WINDOW(f) (f)->minibuffer_window
#define FRAME_ROOT_WINDOW(f) (f)->root_window
#define FRAME_SELECTED_WINDOW(f) (f)->selected_window
#define FRAME_MESSAGE_BUF(f) (f)->message_buf
#define FRAME_SCROLL_BOTTOM_VPOS(f) (f)->scroll_bottom_vpos
#define FRAME_FOCUS_FRAME(f) (f)->focus_frame
+#define FRAME_CAN_HAVE_SCROLL_BARS(f) ((f)->can_have_scroll_bars)
+#define FRAME_HAS_VERTICAL_SCROLL_BARS(f) ((f)->has_vertical_scroll_bars)
+#define FRAME_SCROLL_BAR_PIXEL_WIDTH(f) ((f)->scroll_bar_pixel_width)
+#define FRAME_SCROLL_BAR_COLS(f) ((f)->scroll_bar_cols)
+#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)
+
+/* Emacs's redisplay code could become confused if a frame's
+ visibility changes at arbitrary times. For example, if a frame is
+ visible while the desired glyphs are being built, but becomes
+ invisible before they are updated, then some rows of the
+ desired_glyphs will be left marked as enabled after redisplay is
+ complete, which should never happen. The next time the frame
+ becomes visible, redisplay will probably barf.
+
+ Currently, there are no similar situations involving iconified, but
+ the principle is the same.
+
+ So instead of having asynchronous input handlers directly set and
+ clear the frame's visibility and iconification flags, they just set
+ the async_visible and async_iconified flags; the redisplay code
+ calls the FRAME_SAMPLE_VISIBILITY macro before doing any redisplay,
+ which sets visible and iconified from their asynchronous
+ counterparts.
+
+ Synchronous code must use the FRAME_SET_VISIBLE macro.
+
+ Also, if a frame used to be invisible, but has just become visible,
+ it must be marked as garbaged, since redisplay hasn't been keeping
+ up its contents. */
+#define FRAME_SAMPLE_VISIBILITY(f) \
+ (((f)->async_visible && ! (f)->visible) ? SET_FRAME_GARBAGED (f) : 0, \
+ (f)->visible = (f)->async_visible, \
+ (f)->iconified = (f)->async_iconified)
#define CHECK_FRAME(x, i) \
{ \
{ \
if (! FRAMEP (x) \
|| ! FRAME_LIVE_P (XFRAME (x))) \
- x = wrong_type_argument (Qlive_frame_p, (x)); \
+ x = wrong_type_argument (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 FRAME_PTR, to each frame in
+ 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; it is used to iterate through the
+ should be a Lisp_Object too; it is used to iterate through the
Vframe_list.
If MULTI_FRAME isn't defined, then this loop expands to something which
#define FOR_EACH_FRAME(list_var, frame_var) \
for ((list_var) = Vframe_list; \
(CONSP (list_var) \
- && (frame_var = XFRAME (XCONS (list_var)->car), 1)); \
+ && (frame_var = XCONS (list_var)->car, 1)); \
list_var = XCONS (list_var)->cdr)
-extern Lisp_Object Qframep, Qlive_frame_p;
+extern Lisp_Object Qframep, Qframe_live_p, Qicon;
extern struct frame *selected_frame;
extern struct frame *last_nonminibuf_frame;
extern struct frame *make_minibuffer_frame ();
extern struct frame *make_frame_without_minibuffer ();
-/* Nonzero means FRAME_MESSAGE_BUF (selected_frame) is being used by
- print. */
-extern int message_buf_print;
-
extern Lisp_Object Vframe_list;
extern Lisp_Object Vdefault_frame_alist;
/* These definitions are used in a single-frame version of Emacs. */
-#define FRAME_PTR int
-
+/* A frame we use to store all the data concerning the screen when we
+ don't have multiple frames. Remember, if you store any data in it
+ which needs to be protected from GC, you should staticpro that
+ element explicitly. */
extern struct frame the_only_frame;
-extern int selected_frame;
-extern int last_nonminibuf_frame;
-
-/* Nonzero means FRAME_MESSAGE_BUF (selected_frame) is being used by
- print. */
-extern int message_buf_print;
-
-#define XFRAME(f) selected_frame
-#define WINDOW_FRAME(w) selected_frame
+typedef struct frame *FRAME_PTR;
+#ifdef __GNUC__
+/* A function call for always getting 0 is overkill, so... */
+#define WINDOW_FRAME(w) ({ Lisp_Object tem; XSETFASTINT (tem, 0); tem; })
+#else
+#define WINDOW_FRAME(w) (Fselected_frame ())
+#endif
+#define XSETFRAME(p, v) (p = WINDOW_FRAME (***bogus***))
+#define XFRAME(frame) (&the_only_frame)
+
+extern FRAME_PTR selected_frame;
+extern FRAME_PTR last_nonminibuf_frame;
-#define FRAMEP(f) (XTYPE(f) == Lisp_Frame)
#define FRAME_LIVE_P(f) 1
-#define FRAME_IS_TERMCAP(f) 1
-#define FRAME_IS_X(f) 0
+#ifdef MSDOS
+/* The following definitions could also be used in the non-MSDOS case,
+ but the constants below lead to better code. */
+#define FRAME_TERMCAP_P(f) (the_only_frame.output_method == output_termcap)
+#define FRAME_X_P(f) (the_only_frame.output_method != output_termcap)
+#else
+#define FRAME_TERMCAP_P(f) 1
+#define FRAME_X_P(f) 0
+#endif
+#define FRAME_WINDOW_P(f) FRAME_X_P (f)
#define FRAME_MINIBUF_ONLY_P(f) 0
-#define FRAME_HAS_MINIBUF(f) 1
-#define FRAME_CURRENT_GLYPHS(f) the_only_frame.current_glyphs
-#define FRAME_DESIRED_GLYPHS(f) the_only_frame.desired_glyphs
-#define FRAME_TEMP_GLYPHS(f) the_only_frame.temp_glyphs
-#define FRAME_HEIGHT(f) the_only_frame.height
-#define FRAME_WIDTH(f) the_only_frame.width
-#define FRAME_NEW_HEIGHT(f) the_only_frame.new_height
-#define FRAME_NEW_WIDTH(f) the_only_frame.new_width
-#define FRAME_CURSOR_X(f) the_only_frame.cursor_x
-#define FRAME_CURSOR_Y(f) the_only_frame.cursor_y
+#define FRAME_HAS_MINIBUF_P(f) 1
+#define FRAME_CURRENT_GLYPHS(f) (the_only_frame.current_glyphs)
+#define FRAME_DESIRED_GLYPHS(f) (the_only_frame.desired_glyphs)
+#define FRAME_TEMP_GLYPHS(f) (the_only_frame.temp_glyphs)
+#define FRAME_HEIGHT(f) (the_only_frame.height)
+#define FRAME_WIDTH(f) (the_only_frame.width)
+#define FRAME_NEW_HEIGHT(f) (the_only_frame.new_height)
+#define FRAME_NEW_WIDTH(f) (the_only_frame.new_width)
+#define FRAME_MENU_BAR_LINES(f) (the_only_frame.menu_bar_lines)
+#define FRAME_CURSOR_X(f) (the_only_frame.cursor_x)
+#define FRAME_CURSOR_Y(f) (the_only_frame.cursor_y)
+#define FRAME_SET_VISIBLE(f,p) (p)
#define FRAME_VISIBLE_P(f) 1
#define SET_FRAME_GARBAGED(f) (frame_garbaged = 1)
-#define FRAME_GARBAGED_P(f) frame_garbaged
+#define FRAME_GARBAGED_P(f) (frame_garbaged)
#define FRAME_NO_SPLIT_P(f) 0
#define FRAME_WANTS_MODELINE_P(f) 1
#define FRAME_ICONIFIED_P(f) 0
-#define FRAME_MINIBUF_WINDOW(f) minibuf_window
-#define FRAME_ROOT_WINDOW(f) the_only_frame.root_window
-#define FRAME_SELECTED_WINDOW(f) selected_window
-#define SET_GLYPHS_FRAME(glyphs,frame)
-#define FRAME_INSERT_COST(frame) the_only_frame.insert_line_cost
-#define FRAME_DELETE_COST(frame) the_only_frame.delete_line_cost
-#define FRAME_INSERTN_COST(frame) the_only_frame.insert_n_lines_cost
-#define FRAME_DELETEN_COST(frame) the_only_frame.delete_n_lines_cost
-#define FRAME_MESSAGE_BUF(f) the_only_frame.message_buf
-#define FRAME_SCROLL_BOTTOM_VPOS(f) the_only_frame.scroll_bottom_vpos
-#define FRAME_FOCUS_FRAME(f) 0
-
-#define CHECK_FRAME(x, i) { ; }
-#define CHECK_LIVE_FRAME(x, y) { ; }
+#define FRAME_WINDOW_SIZES_CHANGED(f) the_only_frame.window_sizes_changed
+#define FRAME_MINIBUF_WINDOW(f) (minibuf_window)
+#define FRAME_ROOT_WINDOW(f) (the_only_frame.root_window)
+#define FRAME_SELECTED_WINDOW(f) (selected_window)
+#define SET_GLYPHS_FRAME(glyphs,frame) do ; while (0)
+#define FRAME_INSERT_COST(frame) (the_only_frame.insert_line_cost)
+#define FRAME_DELETE_COST(frame) (the_only_frame.delete_line_cost)
+#define FRAME_INSERTN_COST(frame) (the_only_frame.insert_n_lines_cost)
+#define FRAME_DELETEN_COST(frame) (the_only_frame.delete_n_lines_cost)
+#define FRAME_MESSAGE_BUF(f) (the_only_frame.message_buf)
+#define FRAME_SCROLL_BOTTOM_VPOS(f) (the_only_frame.scroll_bottom_vpos)
+#define FRAME_FOCUS_FRAME(f) (Qnil)
+#define FRAME_CAN_HAVE_SCROLL_BARS(f) (the_only_frame.can_have_scroll_bars)
+#define FRAME_HAS_VERTICAL_SCROLL_BARS(f) \
+ (the_only_frame.has_vertical_scroll_bars)
+#define FRAME_SCROLL_BAR_PIXEL_WIDTH(f) (the_only_frame.scroll_bar_pixel_width)
+#define FRAME_SCROLL_BAR_COLS(f) (the_only_frame.scroll_bar_cols)
+#define FRAME_SCROLL_BARS(f) (the_only_frame.scroll_bars)
+#define FRAME_CONDEMNED_SCROLL_BARS(f) (the_only_frame.condemned_scroll_bars)
+#define FRAME_MENU_BAR_ITEMS(f) (the_only_frame.menu_bar_items)
+#define FRAME_COST_BAUD_RATE(f) (the_only_frame.cost_calculation_baud_rate)
+
+/* See comments in definition above. */
+#define FRAME_SAMPLE_VISIBILITY(f) (0)
+
+#define CHECK_FRAME(x, i) do; while (0)
+#define CHECK_LIVE_FRAME(x, y) do; while (0)
/* 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 FRAME_PTR, to each frame in
+ 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; it is used to iterate through the
+ should be a Lisp_Object too; it is used to iterate through the
Vframe_list.
If MULTI_FRAME _is_ defined, then this loop expands to a real
`for' loop which traverses Vframe_list using LIST_VAR and
FRAME_VAR. */
#define FOR_EACH_FRAME(list_var, frame_var) \
- for (frame_var = (FRAME_PTR) 1; frame_var; frame_var = (FRAME_PTR) 0)
+ for (list_var = Qt; frame_var = WINDOW_FRAME (***bogus***), ! NILP (list_var); list_var = Qnil)
#endif /* not MULTI_FRAME */
+
+\f
+/* Device- and MULTI_FRAME-independent scroll bar stuff. */
+
+/* Return the starting column (zero-based) of the vertical scroll bar
+ for window W. The column before this one is the last column we can
+ use for text. If the window touches the right edge of the frame,
+ we have extra space allocated for it. Otherwise, the scroll bar
+ takes over the window's rightmost columns. */
+#define WINDOW_VERTICAL_SCROLL_BAR_COLUMN(w) \
+ (((XINT ((w)->left) + XINT ((w)->width)) \
+ < FRAME_WIDTH (XFRAME (WINDOW_FRAME (w)))) \
+ ? (XINT ((w)->left) + XINT ((w)->width) \
+ - FRAME_SCROLL_BAR_COLS (XFRAME (WINDOW_FRAME (w)))) \
+ : FRAME_WIDTH (XFRAME (WINDOW_FRAME (w))))
+
+/* Return the height in lines of the vertical scroll bar in w. If the
+ window has a mode line, don't make the scroll bar extend that far. */
+#define WINDOW_VERTICAL_SCROLL_BAR_HEIGHT(w) (window_internal_height (w))