/* Window definitions for GNU Emacs.
- Copyright (C) 1985, 1986, 1993, 1995, 1997, 1998, 1999, 2000, 2001,
- 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
- Free Software Foundation, Inc.
+ Copyright (C) 1985-1986, 1993, 1995, 1997-2013 Free Software
+ Foundation, Inc.
This file is part of GNU Emacs.
#include "dispextern.h"
-extern Lisp_Object Qleft, Qright;
+INLINE_HEADER_BEGIN
+#ifndef WINDOW_INLINE
+# define WINDOW_INLINE INLINE
+#endif
/* Windows are allocated as if they were vectors, but then the
Lisp data type is changed to Lisp_Window. They are garbage
/* The frame this window is on. */
Lisp_Object frame;
- /* t if this window is a minibuffer window. */
- Lisp_Object mini_p;
- /* Following child (to right or down) at same level of tree */
+
+ /* Following (to right or down) and preceding (to left or up) child
+ at same level of tree. */
Lisp_Object next;
- /* Preceding child (to left or up) at same level of tree */
Lisp_Object prev;
- /* First child of this window. */
- /* vchild is used if this is a vertical combination,
- hchild if this is a horizontal combination. */
- Lisp_Object hchild, vchild;
- /* The window this one is a child of. */
+
+ /* First child of this window: vchild is used if this is a vertical
+ combination, hchild if this is a horizontal combination. Of the
+ fields vchild, hchild and buffer, one and only one is non-nil
+ unless the window is dead. */
+ Lisp_Object hchild;
+ Lisp_Object vchild;
+
+ /* The window this one is a child of. */
Lisp_Object parent;
- /* The upper left corner coordinates of this window,
- as integers relative to upper left corner of frame = 0, 0 */
+
+ /* The upper left corner coordinates of this window, as integers
+ relative to upper left corner of frame = 0, 0. */
Lisp_Object left_col;
Lisp_Object top_line;
- /* The size of the window */
+
+ /* The size of the window. */
Lisp_Object total_lines;
Lisp_Object total_cols;
- /* The buffer displayed in this window */
- /* Of the fields vchild, hchild and buffer, only one is non-nil. */
+
+ /* The normal size of the window. */
+ Lisp_Object normal_lines;
+ Lisp_Object normal_cols;
+
+ /* New sizes of the window. */
+ Lisp_Object new_total;
+ Lisp_Object new_normal;
+
+ /* The buffer displayed in this window. Of the fields vchild,
+ hchild and buffer, one and only one is non-nil unless the window
+ is dead. */
Lisp_Object buffer;
- /* A marker pointing to where in the text to start displaying */
+
+ /* A marker pointing to where in the text to start displaying.
+ BIDI Note: This is the _logical-order_ start, i.e. the smallest
+ buffer position visible in the window, not necessarily the
+ character displayed in the top left corner of the window. */
Lisp_Object start;
+
/* A marker pointing to where in the text point is in this window,
used only when the window is not selected.
This exists so that when multiple windows show one buffer
each one can have its own value of point. */
Lisp_Object pointm;
- /* Non-nil means next redisplay must use the value of start
- set up for it in advance. Set by scrolling commands. */
- Lisp_Object force_start;
- /* Non-nil means we have explicitly changed the value of start,
- but that the next redisplay is not obliged to use the new value.
- This is used in Fdelete_other_windows to force a call to
- Vwindow_scroll_functions; also by Frecenter with argument. */
- Lisp_Object optional_new_start;
- /* Number of columns display within the window is scrolled to the left. */
- Lisp_Object hscroll;
- /* Minimum hscroll for automatic hscrolling. This is the value
- the user has set, by set-window-hscroll for example. */
- Lisp_Object min_hscroll;
- /* Number saying how recently window was selected */
- Lisp_Object use_time;
- /* Unique number of window assigned when it was created */
- Lisp_Object sequence_number;
- /* No permanent meaning; used by save-window-excursion's bookkeeping */
+
+ /* No permanent meaning; used by save-window-excursion's
+ bookkeeping. */
Lisp_Object temslot;
- /* text.modified of displayed buffer as of last time display completed */
- Lisp_Object last_modified;
- /* BUF_OVERLAY_MODIFIED of displayed buffer as of last complete update. */
- Lisp_Object last_overlay_modified;
- /* Value of point at that time */
- Lisp_Object last_point;
- /* Non-nil if the buffer was "modified" when the window
- was last updated. */
- Lisp_Object last_had_star;
+
/* This window's vertical scroll bar. This field is only for use
by the window-system-dependent code which implements the
scroll bars; it can store anything it likes here. If this
/* Width of left and right marginal areas. A value of nil means
no margin. */
- Lisp_Object left_margin_cols, right_margin_cols;
+ Lisp_Object left_margin_cols;
+ Lisp_Object right_margin_cols;
/* Width of left and right fringes.
A value of nil or t means use frame values. */
- Lisp_Object left_fringe_width, right_fringe_width;
-
- /* Non-nil means fringes are drawn outside display margins;
- othersize draw them between margin areas and text. */
- Lisp_Object fringes_outside_margins;
+ Lisp_Object left_fringe_width;
+ Lisp_Object right_fringe_width;
/* Pixel width of scroll bars.
A value of nil or t means use frame values. */
Lisp_Object scroll_bar_width;
+
/* Type of vertical scroll bar. A value of nil means
no scroll bar. A value of t means use frame value. */
Lisp_Object vertical_scroll_bar_type;
- /* Frame coords of mark as of last time display completed */
- /* May be nil if mark does not exist or was not on frame */
- Lisp_Object last_mark_x;
- Lisp_Object last_mark_y;
- /* Z - the buffer position of the last glyph in the current matrix
- of W. Only valid if WINDOW_END_VALID is not nil. */
+ /* Z - the buffer position of the last glyph in the current
+ matrix of W. Only valid if window_end_valid is nonzero. */
Lisp_Object window_end_pos;
+
/* Glyph matrix row of the last glyph in the current matrix
- of W. Only valid if WINDOW_END_VALID is not nil. */
+ of W. Only valid if window_end_valid is nonzero. */
Lisp_Object window_end_vpos;
- /* t if window_end_pos is truly valid.
- This is nil if nontrivial redisplay is preempted
- since in that case the frame image that window_end_pos
- did not get onto the frame. */
- Lisp_Object window_end_valid;
- /* Non-nil means must regenerate mode line of this window */
- Lisp_Object update_mode_line;
- /* Non-nil means current value of `start'
- was the beginning of a line when it was chosen. */
- Lisp_Object start_at_line_beg;
+
/* Display-table to use for displaying chars in this window.
Nil means use the buffer's own display-table. */
Lisp_Object display_table;
- /* Non-nil means window is marked as dedicated. */
+
+ /* Non-nil usually means window is marked as dedicated.
+ Note Lisp code may set this to something beyond Qnil
+ and Qt, so bitfield can't be used here. */
Lisp_Object dedicated;
- /* Line number and position of a line somewhere above the
- top of the screen. */
- /* If this field is nil, it means we don't have a base line. */
+
+ /* Line number and position of a line somewhere above the top of the
+ screen. If this field is nil, it means we don't have a base
+ line. */
Lisp_Object base_line_number;
/* If this field is nil, it means we don't have a base line.
If it is a buffer, it means don't display the line number
as long as the window shows that buffer. */
Lisp_Object base_line_pos;
+
/* If we have highlighted the region (or any part of it),
this is the mark position that we used, as an integer. */
Lisp_Object region_showing;
+
/* The column number currently displayed in this window's mode line,
or nil if column numbers are not being displayed. */
Lisp_Object column_number_displayed;
+
/* If redisplay in this window goes beyond this buffer position,
must run the redisplay-end-trigger-hook. */
Lisp_Object redisplay_end_trigger;
- /* Non-nil means resizing windows will attempt to resize this window
- proportionally. */
- Lisp_Object resize_proportionally;
- /* Original window height and top before mini-window was enlarged. */
- Lisp_Object orig_total_lines, orig_top_line;
+ /* t means this window's child windows are not (re-)combined. */
+ Lisp_Object combination_limit;
- /* An alist with parameteres. */
+ /* An alist with parameters. */
Lisp_Object window_parameters;
/* No Lisp data may follow below this point without changing
struct glyph_matrix *current_matrix;
struct glyph_matrix *desired_matrix;
+ /* The two Lisp_Object fields below are marked in a special way,
+ which is why they're placed after `current_matrix'. */
+ /* Alist of <buffer, window-start, window-point> triples listing
+ buffers previously shown in this window. */
+ Lisp_Object prev_buffers;
+ /* List of buffers re-shown in this window. */
+ Lisp_Object next_buffers;
+
+ /* Number saying how recently window was selected. */
+ int use_time;
+
+ /* Unique number of window assigned when it was created. */
+ int sequence_number;
+
+ /* Number of columns display within the window is scrolled to the left. */
+ ptrdiff_t hscroll;
+
+ /* Minimum hscroll for automatic hscrolling. This is the value
+ the user has set, by set-window-hscroll for example. */
+ ptrdiff_t min_hscroll;
+
+ /* Displayed buffer's text modification events counter as of last time
+ display completed. */
+ EMACS_INT last_modified;
+
+ /* Displayed buffer's overlays modification events counter as of last
+ complete update. */
+ EMACS_INT last_overlay_modified;
+
+ /* Value of point at that time. Since this is a position in a buffer,
+ it should be positive. */
+ ptrdiff_t last_point;
+
/* Scaling factor for the glyph_matrix size calculation in this window.
Used if window contains many small images or uses proportional fonts,
as the normal may yield a matrix which is too small. */
/* This is handy for undrawing the cursor. */
int phys_cursor_ascent, phys_cursor_height;
+ /* Non-zero if this window is a minibuffer window. */
+ unsigned mini : 1;
+
+ /* Non-zero means must regenerate mode line of this window. */
+ unsigned update_mode_line : 1;
+
+ /* Non-nil if the buffer was "modified" when the window
+ was last updated. */
+ unsigned last_had_star : 1;
+
+ /* Non-zero means current value of `start'
+ was the beginning of a line when it was chosen. */
+ unsigned start_at_line_beg : 1;
+
+ /* Non-zero means next redisplay must use the value of start
+ set up for it in advance. Set by scrolling commands. */
+ unsigned force_start : 1;
+
+ /* Non-zero means we have explicitly changed the value of start,
+ but that the next redisplay is not obliged to use the new value.
+ This is used in Fdelete_other_windows to force a call to
+ Vwindow_scroll_functions; also by Frecenter with argument. */
+ unsigned optional_new_start : 1;
+
/* Non-zero means the cursor is currently displayed. This can be
set to zero by functions overpainting the cursor image. */
unsigned phys_cursor_on_p : 1;
accept that. */
unsigned frozen_window_start_p : 1;
+ /* Non-zero means fringes are drawn outside display margins.
+ Otherwise draw them between margin areas and text. */
+ unsigned fringes_outside_margins : 1;
+
+ /* Nonzero if window_end_pos and window_end_vpos are truly valid.
+ This is zero if nontrivial redisplay is preempted since in that case
+ the frame image that window_end_pos did not get onto the frame. */
+ unsigned window_end_valid : 1;
+
/* Amount by which lines of this window are scrolled in
y-direction (smooth scrolling). */
int vscroll;
- /* Z_BYTE - the buffer position of the last glyph in the current matrix
- of W. Only valid if WINDOW_END_VALID is not nil. */
- int window_end_bytepos;
+ /* Z_BYTE - buffer position of the last glyph in the current matrix of W.
+ Should be nonnegative, and only valid if window_end_valid is nonzero. */
+ ptrdiff_t window_end_bytepos;
};
+/* Most code should use these functions to set Lisp fields in struct
+ window. */
+WINDOW_INLINE void
+wset_frame (struct window *w, Lisp_Object val)
+{
+ w->frame = val;
+}
+WINDOW_INLINE void
+wset_left_col (struct window *w, Lisp_Object val)
+{
+ w->left_col = val;
+}
+WINDOW_INLINE void
+wset_next (struct window *w, Lisp_Object val)
+{
+ w->next = val;
+}
+WINDOW_INLINE void
+wset_prev (struct window *w, Lisp_Object val)
+{
+ w->prev = val;
+}
+WINDOW_INLINE void
+wset_redisplay_end_trigger (struct window *w, Lisp_Object val)
+{
+ w->redisplay_end_trigger = val;
+}
+WINDOW_INLINE void
+wset_top_line (struct window *w, Lisp_Object val)
+{
+ w->top_line = val;
+}
+WINDOW_INLINE void
+wset_total_cols (struct window *w, Lisp_Object val)
+{
+ w->total_cols = val;
+}
+WINDOW_INLINE void
+wset_total_lines (struct window *w, Lisp_Object val)
+{
+ w->total_lines = val;
+}
+WINDOW_INLINE void
+wset_vertical_scroll_bar (struct window *w, Lisp_Object val)
+{
+ w->vertical_scroll_bar = val;
+}
+WINDOW_INLINE void
+wset_window_end_pos (struct window *w, Lisp_Object val)
+{
+ w->window_end_pos = val;
+}
+WINDOW_INLINE void
+wset_window_end_vpos (struct window *w, Lisp_Object val)
+{
+ w->window_end_vpos = val;
+}
+WINDOW_INLINE void
+wset_prev_buffers (struct window *w, Lisp_Object val)
+{
+ w->prev_buffers = val;
+}
+WINDOW_INLINE void
+wset_next_buffers (struct window *w, Lisp_Object val)
+{
+ w->next_buffers = val;
+}
+
/* 1 if W is a minibuffer window. */
-#define MINI_WINDOW_P(W) (!NILP ((W)->mini_p))
+#define MINI_WINDOW_P(W) ((W)->mini)
/* General window layout:
This includes scroll bars and fringes. */
#define WINDOW_TOTAL_COLS(W) \
- (XFASTINT ((W)->total_cols))
+ (XFASTINT (W->total_cols))
/* Return the height of window W in canonical line units.
This includes header and mode lines, if any. */
#define WINDOW_TOTAL_LINES(W) \
- (XFASTINT ((W)->total_lines))
+ (XFASTINT (W->total_lines))
/* Return the total pixel width of window W. */
#define WINDOW_TOTAL_HEIGHT(W) \
(WINDOW_TOTAL_LINES (W) * WINDOW_FRAME_LINE_HEIGHT (W))
+/* For HORFLAG non-zero the total number of columns of window W. Otherwise
+ the total number of lines of W. */
+
+#define WINDOW_TOTAL_SIZE(w, horflag) \
+ (horflag ? WINDOW_TOTAL_COLS (w) : WINDOW_TOTAL_LINES (w))
+
+/* The smallest acceptable dimensions for a window. Anything smaller
+ might crash Emacs. */
+
+#define MIN_SAFE_WINDOW_WIDTH (2)
+#define MIN_SAFE_WINDOW_HEIGHT (1)
/* Return the canonical frame column at which window W starts.
This includes a left-hand scroll bar, if any. */
#define WINDOW_LEFT_EDGE_COL(W) \
- (XFASTINT ((W)->left_col))
+ (XFASTINT (W->left_col))
/* Return the canonical frame column before which window W ends.
This includes a right-hand scroll bar, if any. */
This includes a header line, if any. */
#define WINDOW_TOP_EDGE_LINE(W) \
- (XFASTINT ((W)->top_line))
+ (XFASTINT (W->top_line))
/* Return the canonical frame line before which window W ends.
This includes a mode line, if any. */
/* Width of left margin area in columns. */
-#define WINDOW_LEFT_MARGIN_COLS(W) \
- (NILP ((W)->left_margin_cols) \
- ? 0 \
- : XINT ((W)->left_margin_cols))
+#define WINDOW_LEFT_MARGIN_COLS(W) \
+ (NILP (W->left_margin_cols) \
+ ? 0 \
+ : XINT (W->left_margin_cols))
/* Width of right marginal area in columns. */
-#define WINDOW_RIGHT_MARGIN_COLS(W) \
- (NILP ((W)->right_margin_cols) \
- ? 0 \
- : XINT ((W)->right_margin_cols))
+#define WINDOW_RIGHT_MARGIN_COLS(W) \
+ (NILP (W->right_margin_cols) \
+ ? 0 \
+ : XINT (W->right_margin_cols))
/* Width of left margin area in pixels. */
-#define WINDOW_LEFT_MARGIN_WIDTH(W) \
- (NILP ((W)->left_margin_cols) \
- ? 0 \
- : (XINT ((W)->left_margin_cols) \
+#define WINDOW_LEFT_MARGIN_WIDTH(W) \
+ (NILP (W->left_margin_cols) \
+ ? 0 \
+ : (XINT (W->left_margin_cols) \
* WINDOW_FRAME_COLUMN_WIDTH (W)))
/* Width of right marginal area in pixels. */
-#define WINDOW_RIGHT_MARGIN_WIDTH(W) \
- (NILP ((W)->right_margin_cols) \
- ? 0 \
- : (XINT ((W)->right_margin_cols) \
+#define WINDOW_RIGHT_MARGIN_WIDTH(W) \
+ (NILP (W->right_margin_cols) \
+ ? 0 \
+ : (XINT (W->right_margin_cols) \
* WINDOW_FRAME_COLUMN_WIDTH (W)))
/* Total width of fringes reserved for drawing truncation bitmaps,
sizes aren't pixel values. If it weren't the case, we wouldn't be
able to split windows horizontally nicely. */
-#define WINDOW_FRINGE_COLS(W) \
- ((INTEGERP ((W)->left_fringe_width) \
- || INTEGERP ((W)->right_fringe_width)) \
- ? ((WINDOW_LEFT_FRINGE_WIDTH (W) \
- + WINDOW_RIGHT_FRINGE_WIDTH (W) \
- + WINDOW_FRAME_COLUMN_WIDTH (W) - 1) \
- / WINDOW_FRAME_COLUMN_WIDTH (W)) \
+#define WINDOW_FRINGE_COLS(W) \
+ ((INTEGERP (W->left_fringe_width) \
+ || INTEGERP (W->right_fringe_width)) \
+ ? ((WINDOW_LEFT_FRINGE_WIDTH (W) \
+ + WINDOW_RIGHT_FRINGE_WIDTH (W) \
+ + WINDOW_FRAME_COLUMN_WIDTH (W) - 1) \
+ / WINDOW_FRAME_COLUMN_WIDTH (W)) \
: FRAME_FRINGE_COLS (WINDOW_XFRAME (W)))
/* Column-width of the left and right fringe. */
-#define WINDOW_LEFT_FRINGE_COLS(W) \
- ((WINDOW_LEFT_FRINGE_WIDTH ((W)) \
- + WINDOW_FRAME_COLUMN_WIDTH (W) - 1) \
+#define WINDOW_LEFT_FRINGE_COLS(W) \
+ ((WINDOW_LEFT_FRINGE_WIDTH ((W)) \
+ + WINDOW_FRAME_COLUMN_WIDTH (W) - 1) \
/ WINDOW_FRAME_COLUMN_WIDTH (W))
-#define WINDOW_RIGHT_FRINGE_COLS(W) \
- ((WINDOW_RIGHT_FRINGE_WIDTH ((W)) \
- + WINDOW_FRAME_COLUMN_WIDTH (W) - 1) \
+#define WINDOW_RIGHT_FRINGE_COLS(W) \
+ ((WINDOW_RIGHT_FRINGE_WIDTH ((W)) \
+ + WINDOW_FRAME_COLUMN_WIDTH (W) - 1) \
/ WINDOW_FRAME_COLUMN_WIDTH (W))
/* Pixel-width of the left and right fringe. */
#define WINDOW_LEFT_FRINGE_WIDTH(W) \
- (INTEGERP ((W)->left_fringe_width) \
- ? XFASTINT ((W)->left_fringe_width) \
+ (INTEGERP (W->left_fringe_width) \
+ ? XFASTINT (W->left_fringe_width) \
: FRAME_LEFT_FRINGE_WIDTH (WINDOW_XFRAME (W)))
#define WINDOW_RIGHT_FRINGE_WIDTH(W) \
- (INTEGERP ((W)->right_fringe_width) \
- ? XFASTINT ((W)->right_fringe_width) \
+ (INTEGERP (W->right_fringe_width) \
+ ? XFASTINT (W->right_fringe_width) \
: FRAME_RIGHT_FRINGE_WIDTH (WINDOW_XFRAME (W)))
/* Total width of fringes in pixels. */
/* Are fringes outside display margins in window W. */
#define WINDOW_HAS_FRINGES_OUTSIDE_MARGINS(W) \
- (!NILP ((W)->fringes_outside_margins))
+ ((W)->fringes_outside_margins)
/* Say whether scroll bars are currently enabled for window W,
and which side they are on. */
#define WINDOW_VERTICAL_SCROLL_BAR_TYPE(w) \
- (EQ ((w)->vertical_scroll_bar_type, Qt) \
+ (EQ (w->vertical_scroll_bar_type, Qt) \
? FRAME_VERTICAL_SCROLL_BAR_TYPE (WINDOW_XFRAME (w)) \
- : EQ ((w)->vertical_scroll_bar_type, Qleft) \
+ : EQ (w->vertical_scroll_bar_type, Qleft) \
? vertical_scroll_bar_left \
- : EQ ((w)->vertical_scroll_bar_type, Qright) \
+ : EQ (w->vertical_scroll_bar_type, Qright) \
? vertical_scroll_bar_right \
: vertical_scroll_bar_none) \
#define WINDOW_HAS_VERTICAL_SCROLL_BAR(w) \
- (EQ ((w)->vertical_scroll_bar_type, Qt) \
+ (EQ (w->vertical_scroll_bar_type, Qt) \
? FRAME_HAS_VERTICAL_SCROLL_BARS (WINDOW_XFRAME (w)) \
- : !NILP ((w)->vertical_scroll_bar_type))
+ : !NILP (w->vertical_scroll_bar_type))
#define WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT(w) \
- (EQ ((w)->vertical_scroll_bar_type, Qt) \
+ (EQ (w->vertical_scroll_bar_type, Qt) \
? FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (WINDOW_XFRAME (w)) \
- : EQ ((w)->vertical_scroll_bar_type, Qleft))
+ : EQ (w->vertical_scroll_bar_type, Qleft))
-#define WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT(w) \
- (EQ ((w)->vertical_scroll_bar_type, Qt) \
- ? FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (WINDOW_XFRAME (w))\
- : EQ ((w)->vertical_scroll_bar_type, Qright))
+#define WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT(w) \
+ (EQ (w->vertical_scroll_bar_type, Qt) \
+ ? FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (WINDOW_XFRAME (w)) \
+ : EQ (w->vertical_scroll_bar_type, Qright))
/* Width that a scroll bar in window W should have, if there is one.
Measured in pixels. If scroll bars are turned off, this is still
nonzero. */
#define WINDOW_CONFIG_SCROLL_BAR_WIDTH(w) \
- (INTEGERP ((w)->scroll_bar_width) \
- ? XFASTINT ((w)->scroll_bar_width) \
+ (INTEGERP (w->scroll_bar_width) \
+ ? XFASTINT (w->scroll_bar_width) \
: FRAME_CONFIG_SCROLL_BAR_WIDTH (WINDOW_XFRAME (w)))
/* Width that a scroll bar in window W should have, if there is one.
this is still nonzero. */
#define WINDOW_CONFIG_SCROLL_BAR_COLS(w) \
- (INTEGERP ((w)->scroll_bar_width) \
- ? ((XFASTINT ((w)->scroll_bar_width) \
+ (INTEGERP (w->scroll_bar_width) \
+ ? ((XFASTINT (w->scroll_bar_width) \
+ WINDOW_FRAME_COLUMN_WIDTH (w) - 1) \
/ WINDOW_FRAME_COLUMN_WIDTH (w)) \
: FRAME_CONFIG_SCROLL_BAR_COLS (WINDOW_XFRAME (w)))
the right in this frame, or there are no scroll bars, value is 0. */
#define WINDOW_LEFT_SCROLL_BAR_COLS(w) \
- (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w) \
+ (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w) \
? (WINDOW_CONFIG_SCROLL_BAR_COLS (w)) \
: 0)
/* Width of a left scroll bar area in window W , measured in pixels. */
-#define WINDOW_LEFT_SCROLL_BAR_AREA_WIDTH(w) \
- (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w) \
+#define WINDOW_LEFT_SCROLL_BAR_AREA_WIDTH(w) \
+ (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w) \
? (WINDOW_CONFIG_SCROLL_BAR_COLS (w) * WINDOW_FRAME_COLUMN_WIDTH (w)) \
: 0)
the left in this frame, or there are no scroll bars, value is 0. */
#define WINDOW_RIGHT_SCROLL_BAR_COLS(w) \
- (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w) \
+ (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w) \
? WINDOW_CONFIG_SCROLL_BAR_COLS (w) \
: 0)
/* Width of a left scroll bar area in window W , measured in pixels. */
#define WINDOW_SCROLL_BAR_AREA_WIDTH(w) \
- (WINDOW_HAS_VERTICAL_SCROLL_BAR (w) \
+ (WINDOW_HAS_VERTICAL_SCROLL_BAR (w) \
? (WINDOW_CONFIG_SCROLL_BAR_COLS (w) * WINDOW_FRAME_COLUMN_WIDTH (w)) \
: 0)
? CURRENT_MODE_LINE_HEIGHT (W) \
: 0)
-#define WINDOW_MODE_LINE_LINES(W) \
+#define WINDOW_MODE_LINE_LINES(W) \
(!! WINDOW_WANTS_MODELINE_P ((W)))
/* Height in pixels, and in lines, of the header line.
? CURRENT_HEADER_LINE_HEIGHT (W) \
: 0)
-#define WINDOW_HEADER_LINE_LINES(W) \
+#define WINDOW_HEADER_LINE_LINES(W) \
(!! WINDOW_WANTS_HEADER_LINE_P ((W)))
/* Pixel height of window W without mode line. */
/* Pixel height of window W without mode and header line. */
-#define WINDOW_BOX_TEXT_HEIGHT(W) \
- (WINDOW_TOTAL_HEIGHT ((W)) \
- - WINDOW_MODE_LINE_HEIGHT ((W)) \
+#define WINDOW_BOX_TEXT_HEIGHT(W) \
+ (WINDOW_TOTAL_HEIGHT ((W)) \
+ - WINDOW_MODE_LINE_HEIGHT ((W)) \
- WINDOW_HEADER_LINE_HEIGHT ((W)))
/* Convert window W relative pixel X to frame pixel coordinates. */
-#define WINDOW_TO_FRAME_PIXEL_X(W, X) \
+#define WINDOW_TO_FRAME_PIXEL_X(W, X) \
((X) + WINDOW_BOX_LEFT_EDGE_X ((W)))
/* Convert window W relative pixel Y to frame pixel coordinates. */
-#define WINDOW_TO_FRAME_PIXEL_Y(W, Y) \
+#define WINDOW_TO_FRAME_PIXEL_Y(W, Y) \
((Y) + WINDOW_TOP_EDGE_Y ((W)))
/* Convert frame relative pixel X to window relative pixel X. */
-#define FRAME_TO_WINDOW_PIXEL_X(W, X) \
+#define FRAME_TO_WINDOW_PIXEL_X(W, X) \
((X) - WINDOW_BOX_LEFT_EDGE_X ((W)))
/* Convert frame relative pixel Y to window relative pixel Y. */
-#define FRAME_TO_WINDOW_PIXEL_Y(W, Y) \
+#define FRAME_TO_WINDOW_PIXEL_Y(W, Y) \
((Y) - WINDOW_TOP_EDGE_Y ((W)))
/* Convert a text area relative x-position in window W to frame X
pixel coordinates. */
-#define WINDOW_TEXT_TO_FRAME_PIXEL_X(W, X) \
+#define WINDOW_TEXT_TO_FRAME_PIXEL_X(W, X) \
(window_box_left ((W), TEXT_AREA) + (X))
/* This is the window in which the terminal's cursor should
extern Lisp_Object minibuf_selected_window;
-/* Non-nil => window to for C-M-v to scroll when the minibuffer is
- selected. */
-
-extern Lisp_Object Vminibuf_scroll_window;
-
-/* Nil or a symbol naming the window system under which emacs is
- running ('x is the only current possibility) */
-
-extern Lisp_Object Vinitial_window_system;
-
-/* Version number of X windows: 10, 11 or nil. */
-
-extern Lisp_Object Vwindow_system_version;
-
/* Window that the mouse is over (nil if no mouse support). */
extern Lisp_Object Vmouse_window;
extern Lisp_Object Vmouse_event;
-EXFUN (Fnext_window, 3);
-EXFUN (Fselect_window, 2);
-EXFUN (Fset_window_buffer, 3);
-EXFUN (Fset_window_hscroll, 2);
-EXFUN (Fwindow_hscroll, 1);
-EXFUN (Fset_window_vscroll, 3);
-EXFUN (Fwindow_vscroll, 2);
-EXFUN (Fset_window_margins, 3);
-EXFUN (Fwindow_live_p, 1);
-EXFUN (Fset_window_point, 2);
-extern Lisp_Object make_window P_ ((void));
-extern void delete_window P_ ((Lisp_Object));
-extern Lisp_Object window_from_coordinates P_ ((struct frame *, int, int,
- enum window_part *,
- int *, int*, int));
-EXFUN (Fwindow_dedicated_p, 1);
-extern int window_height P_ ((Lisp_Object));
-extern int window_width P_ ((Lisp_Object));
-EXFUN (Fwindow_full_width_p, 1);
-extern void set_window_height P_ ((Lisp_Object, int, int));
-extern void set_window_width P_ ((Lisp_Object, int, int));
-extern void change_window_heights P_ ((Lisp_Object, int));
-extern void delete_all_subwindows P_ ((struct window *));
-extern void freeze_window_starts P_ ((struct frame *, int));
-extern void foreach_window P_ ((struct frame *,
- int (* fn) (struct window *, void *),
- void *));
-extern void grow_mini_window P_ ((struct window *, int));
-extern void shrink_mini_window P_ ((struct window *));
+extern Lisp_Object make_window (void);
+extern Lisp_Object window_from_coordinates (struct frame *, int, int,
+ enum window_part *, int);
+extern void resize_frame_windows (struct frame *, int, int);
+extern void delete_all_child_windows (Lisp_Object);
+extern void freeze_window_starts (struct frame *, int);
+extern void grow_mini_window (struct window *, int);
+extern void shrink_mini_window (struct window *);
+extern int window_relative_x_coord (struct window *, enum window_part, int);
void run_window_configuration_change_hook (struct frame *f);
means it's allowed to run hooks. See make_frame for a case where
it's not allowed. */
-void set_window_buffer P_ ((Lisp_Object window, Lisp_Object buffer,
- int run_hooks_p, int keep_margins_p));
-
-/* Prompt to display in front of the minibuffer contents. */
-
-extern Lisp_Object minibuf_prompt;
-
-/* The visual width of the above. */
-
-extern int minibuf_prompt_width;
+void set_window_buffer (Lisp_Object window, Lisp_Object buffer,
+ int run_hooks_p, int keep_margins_p);
/* This is the window where the echo area message was displayed. It
is always a minibuffer window, but it may not be the same window
/* Depth in recursive edits. */
-extern int command_loop_level;
+extern EMACS_INT command_loop_level;
/* Depth in minibuffer invocations. */
-extern int minibuf_level;
+extern EMACS_INT minibuf_level;
/* true if we should redraw the mode lines on the next redisplay. */
extern int update_mode_lines;
-/* Nonzero if BEGV - BEG or Z - ZV of current buffer has changed since
- last redisplay that finished. */
-
-extern int clip_changed;
-
/* Nonzero if window sizes or contents have changed since last
- redisplay that finished */
+ redisplay that finished. */
extern int windows_or_buffers_changed;
extern int cursor_type_changed;
-/* Number of windows displaying the selected buffer. Normally this is
- 1, but it can be more. */
-
-extern int buffer_shared;
-
/* If *ROWS or *COLS are too small a size for FRAME, set them to the
minimum allowable size. */
-extern void check_frame_size P_ ((struct frame *frame, int *rows, int *cols));
+extern void check_frame_size (struct frame *frame, int *rows, int *cols);
/* Return a pointer to the glyph W's physical cursor is on. Value is
- null if W's current matrix is invalid, so that no meaningfull glyph
+ null if W's current matrix is invalid, so that no meaningful glyph
can be returned. */
-struct glyph *get_phys_cursor_glyph P_ ((struct window *w));
+struct glyph *get_phys_cursor_glyph (struct window *w);
-/* Value is non-zero if WINDOW is a live window. */
+/* Value is non-zero if WINDOW is a valid window. */
+#define WINDOW_VALID_P(WINDOW) \
+ (WINDOWP (WINDOW) \
+ && (!NILP (XWINDOW (WINDOW)->buffer) \
+ || !NILP (XWINDOW (WINDOW)->vchild) \
+ || !NILP (XWINDOW (WINDOW)->hchild)))
-#define WINDOW_LIVE_P(WINDOW) \
- (WINDOWP ((WINDOW)) && !NILP (XWINDOW ((WINDOW))->buffer))
+/* A window of any sort, leaf or interior, is "valid" if one
+ of its buffer, vchild, or hchild members is non-nil. */
+#define CHECK_VALID_WINDOW(WINDOW) \
+ CHECK_TYPE (WINDOW_VALID_P (WINDOW), Qwindow_valid_p, WINDOW)
+/* Value is non-zero if WINDOW is a live window. */
+#define WINDOW_LIVE_P(WINDOW) \
+ (WINDOWP (WINDOW) && !NILP (XWINDOW (WINDOW)->buffer))
+
+/* A window is "live" if and only if it shows a buffer. */
+#define CHECK_LIVE_WINDOW(WINDOW) \
+ CHECK_TYPE (WINDOW_LIVE_P (WINDOW), Qwindow_live_p, WINDOW)
/* These used to be in lisp.h. */
extern Lisp_Object Qwindowp, Qwindow_live_p;
extern Lisp_Object Vwindow_list;
-EXFUN (Fwindow_end, 2);
-EXFUN (Fselected_window, 0);
-EXFUN (Fwindow_minibuffer_p, 1);
-EXFUN (Fdelete_window, 1);
-EXFUN (Fwindow_buffer, 1);
-EXFUN (Fget_buffer_window, 2);
-EXFUN (Fsave_window_excursion, UNEVALLED);
-EXFUN (Fsplit_window, 3);
-EXFUN (Fset_window_configuration, 1);
-EXFUN (Fcurrent_window_configuration, 1);
-extern int compare_window_configurations P_ ((Lisp_Object, Lisp_Object, int));
-EXFUN (Fcoordinates_in_window_p, 2);
-EXFUN (Fwindow_at, 3);
-EXFUN (Fpos_visible_in_window_p, 3);
-extern void mark_window_cursors_off P_ ((struct window *));
-extern int window_internal_height P_ ((struct window *));
-extern int window_internal_width P_ ((struct window *));
-EXFUN (Frecenter, 1);
-EXFUN (Fscroll_other_window, 1);
-EXFUN (Fset_window_start, 3);
-extern void temp_output_buffer_show P_ ((Lisp_Object));
-extern void replace_buffer_in_all_windows P_ ((Lisp_Object));
-extern void init_window_once P_ ((void));
-extern void init_window P_ ((void));
-extern void syms_of_window P_ ((void));
-extern void keys_of_window P_ ((void));
-
-extern int window_box_text_cols P_ ((struct window *w));
+extern struct window *decode_live_window (Lisp_Object);
+extern struct window *decode_any_window (Lisp_Object);
+extern bool compare_window_configurations (Lisp_Object, Lisp_Object, bool);
+extern void mark_window_cursors_off (struct window *);
+extern int window_internal_height (struct window *);
+extern int window_body_cols (struct window *w);
+extern void temp_output_buffer_show (Lisp_Object);
+extern void replace_buffer_in_windows (Lisp_Object);
+extern void replace_buffer_in_windows_safely (Lisp_Object);
+/* This looks like a setter, but it is a bit special. */
+extern void wset_buffer (struct window *, Lisp_Object);
+extern void init_window_once (void);
+extern void init_window (void);
+extern void syms_of_window (void);
+extern void keys_of_window (void);
+
+INLINE_HEADER_END
#endif /* not WINDOW_H_INCLUDED */
-
-/* arch-tag: d4a6942f-e433-4ffe-ac10-2c3574f28577
- (do not change this comment) */
HCoop / bpt / emacs.git / blobdiff