extern int message_buf_print;
\f
-/* The structure representing a frame.
-
- We declare this even if MULTI_FRAME is not defined, because when
- we lack multi-frame support, we use one instance of this structure
- to represent the one frame we support. This is cleaner than
- having miscellaneous random variables scattered about. */
+/* The structure representing a frame. */
enum output_method
-{ output_termcap, output_x_window, output_msdos_raw, output_win32 };
+{ output_termcap, output_x_window, output_msdos_raw, output_w32 };
+
+enum vertical_scroll_bar_type
+{ vertical_scroll_bar_none, vertical_scroll_bar_left, vertical_scroll_bar_right };
struct frame
{
/* This is handy for undrawing the cursor, because current_glyphs is
not always accurate when in do_scrolling. */
GLYPH phys_cursor_glyph;
+ /* Nonzero means the cursor is displayed. */
+ int phys_cursor_on;
/* Size of this frame, in units of characters. */
EMACS_INT height;
EMACS_INT width;
+ EMACS_INT window_width;
/* New height and width for pending size change. 0 if no change pending. */
int new_height, new_width;
/* A structure of auxiliary data used for displaying the contents.
struct x_output is used for X window frames;
it is defined in xterm.h.
- struct win32_output is used for Win32 window frames;
+ struct w32_output is used for W32 window frames;
it is defined in w32term.h. */
- union output_data { struct x_output *x; struct win32_output *win32; int nothing; } output_data;
+ union output_data { struct x_output *x; struct w32_output *w32; int nothing; } output_data;
#ifdef MULTI_KBOARD
/* A pointer to the kboard structure associated with this frame.
/* 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;
+ enum vertical_scroll_bar_type vertical_scroll_bar_type;
/* Non-0 means raise this frame to the top of the heap when selected. */
char auto_raise;
/* The baud rate that was used to calculate costs for this frame. */
int cost_calculation_baud_rate;
+ /* A pointer to the data structure containing all information of
+ fontsets associated with this frame. See the comments in
+ fontset.h for more detail. */
+ struct fontset_data *fontset_data;
+
/* 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 */
+#ifdef MULTI_KBOARD
#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 WINDOW_FRAME(w) (w)->frame
#define FRAME_X_P(f) ((f)->output_method == output_x_window)
-#define FRAME_WIN32_P(f) ((f)->output_method == output_win32)
+#define FRAME_W32_P(f) ((f)->output_method == output_w32)
+#define FRAME_MSDOS_P(f) ((f)->output_method == output_msdos_raw)
/* FRAME_WINDOW_P tests whether the frame is a window, and is
defined to be the predicate for the window system being used. */
#define FRAME_WINDOW_P(f) FRAME_X_P (f)
#endif
#ifdef HAVE_NTGUI
-#define FRAME_WINDOW_P(f) FRAME_WIN32_P (f)
+#define FRAME_WINDOW_P(f) FRAME_W32_P (f)
#endif
#ifndef FRAME_WINDOW_P
#define FRAME_WINDOW_P(f) (0)
#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_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)
#define FRAME_SCROLL_BAR_PIXEL_WIDTH(f) ((f)->scroll_bar_pixel_width)
#define FRAME_SCROLL_BAR_COLS(f) ((f)->scroll_bar_cols)
+#define FRAME_LEFT_SCROLL_BAR_WIDTH(f) \
+ (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f) \
+ ? FRAME_SCROLL_BAR_COLS (f) \
+ : 0)
+#define FRAME_SCROLL_BAR_WIDTH(f) \
+ (FRAME_HAS_VERTICAL_SCROLL_BARS (f) \
+ ? FRAME_SCROLL_BAR_COLS (f) \
+ : 0)
+#define FRAME_WINDOW_WIDTH_ARG(f, width) \
+ ((width) + FRAME_SCROLL_BAR_WIDTH (f))
+#define FRAME_WINDOW_WIDTH(f) ((f)->window_width)
+#define SET_FRAME_WIDTH(f,val) ((f)->width = (val), (f)->window_width = FRAME_WINDOW_WIDTH_ARG (f, (f)->width))
#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_FONTSET_DATA(f) ((f)->fontset_data)
+
+/* 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) (f)->width) * 4)
/* Emacs's redisplay code could become confused if a frame's
visibility changes at arbitrary times. For example, if a frame is
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
- executes the statement once. */
+ 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) \
extern Lisp_Object Vterminal_frame;
\f
-#else /* not MULTI_FRAME */
-
-/* These definitions are used in a single-frame version of Emacs. */
-
-/* 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;
-
-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 FRAME_LIVE_P(f) 1
-#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_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_NO_SPLIT_P(f) 0
-#define FRAME_WANTS_MODELINE_P(f) 1
-#define FRAME_ICONIFIED_P(f) 0
-#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 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.
-
- 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 (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. */
+/* Device-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
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))))
+ (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (XFRAME (WINDOW_FRAME (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)))) \
+ : XINT ((w)->left))
/* 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. */