/* Updating of data structures for redisplay.
- Copyright (C) 1985-1988, 1993-1995, 1997-2012 Free Software Foundation, Inc.
+
+Copyright (C) 1985-1988, 1993-1995, 1997-2012 Free Software Foundation, Inc.
This file is part of GNU Emacs.
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
-#include <signal.h>
+
+#define DISPEXTERN_INLINE EXTERN_INLINE
+
#include <stdio.h>
-#include <ctype.h>
-#include <setjmp.h>
#include <unistd.h>
#include "lisp.h"
/* cm.h must come after dispextern.h on Windows. */
#include "dispextern.h"
#include "cm.h"
-#include "buffer.h"
#include "character.h"
+#include "buffer.h"
#include "keyboard.h"
#include "frame.h"
#include "termhooks.h"
#include "syssignal.h"
-#ifdef HAVE_X_WINDOWS
-#include "xterm.h"
-#endif /* HAVE_X_WINDOWS */
-
-#ifdef HAVE_NTGUI
-#include "w32term.h"
-#endif /* HAVE_NTGUI */
-
-#ifdef HAVE_NS
-#include "nsterm.h"
-#endif
+#ifdef HAVE_WINDOW_SYSTEM
+#include TERM_HEADER
+#endif /* HAVE_WINDOW_SYSTEM */
/* Include systime.h after xterm.h to avoid double inclusion of time.h. */
#include "systime.h"
#include <errno.h>
-/* Get number of chars of output now in the buffer of a stdio stream.
- This ought to be built in stdio, but it isn't. Some s- files
- override this because their stdio internals differ. */
-
-#ifdef __GNU_LIBRARY__
-
-/* The s- file might have overridden the definition with one that
- works for the system's C library. But we are using the GNU C
- library, so this is the right definition for every system. */
-
-#ifdef GNU_LIBRARY_PENDING_OUTPUT_COUNT
-#define PENDING_OUTPUT_COUNT GNU_LIBRARY_PENDING_OUTPUT_COUNT
-#else
-#undef PENDING_OUTPUT_COUNT
-#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->__bufp - (FILE)->__buffer)
-#endif
-#else /* not __GNU_LIBRARY__ */
-#if !defined (PENDING_OUTPUT_COUNT) && HAVE_STDIO_EXT_H && HAVE___FPENDING
+#ifdef DISPNEW_NEEDS_STDIO_EXT
#include <stdio_ext.h>
-#define PENDING_OUTPUT_COUNT(FILE) __fpending (FILE)
-#endif
-#ifndef PENDING_OUTPUT_COUNT
-#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_ptr - (FILE)->_base)
#endif
-#endif /* not __GNU_LIBRARY__ */
-#if defined (HAVE_TERM_H) && defined (GNU_LINUX) && defined (HAVE_LIBNCURSES)
+#if defined (HAVE_TERM_H) && defined (GNU_LINUX)
#include <term.h> /* for tgetent */
#endif
\f
static int required_matrix_height (struct window *);
static int required_matrix_width (struct window *);
static void adjust_frame_glyphs (struct frame *);
-static void change_frame_size_1 (struct frame *, int, int, int, int, int);
-static void increment_row_positions (struct glyph_row *, EMACS_INT, EMACS_INT);
+static void change_frame_size_1 (struct frame *, int, int, bool, bool, bool);
+static void increment_row_positions (struct glyph_row *, ptrdiff_t, ptrdiff_t);
static void fill_up_frame_row_with_spaces (struct glyph_row *, int);
static void build_frame_matrix_from_window_tree (struct glyph_matrix *,
struct window *);
static void adjust_frame_message_buffer (struct frame *);
static void adjust_decode_mode_spec_buffer (struct frame *);
static void fill_up_glyph_row_with_spaces (struct glyph_row *);
-static void clear_window_matrices (struct window *, int);
+static void clear_window_matrices (struct window *, bool);
static void fill_up_glyph_row_area_with_spaces (struct glyph_row *, int);
-static int scrolling_window (struct window *, int);
-static int update_window_line (struct window *, int, int *);
+static int scrolling_window (struct window *, bool);
+static bool update_window_line (struct window *, int, bool *);
static void mirror_make_current (struct window *, int);
-#if GLYPH_DEBUG
+#ifdef GLYPH_DEBUG
static void check_matrix_pointers (struct glyph_matrix *,
struct glyph_matrix *);
#endif
static void mirror_line_dance (struct window *, int, int, int *, char *);
-static int update_window_tree (struct window *, int);
-static int update_window (struct window *, int);
-static int update_frame_1 (struct frame *, int, int);
-static int scrolling (struct frame *);
+static bool update_window_tree (struct window *, bool);
+static bool update_window (struct window *, bool);
+static bool update_frame_1 (struct frame *, bool, bool);
+static bool scrolling (struct frame *);
static void set_window_cursor_after_update (struct window *);
static void adjust_frame_glyphs_for_window_redisplay (struct frame *);
static void adjust_frame_glyphs_for_frame_redisplay (struct frame *);
\f
-/* Define PERIODIC_PREEMPTION_CHECKING to 1, if micro-second timers
- are supported, so we can check for input during redisplay at
- regular intervals. */
-#ifdef EMACS_HAS_USECS
-#define PERIODIC_PREEMPTION_CHECKING 1
-#else
-#define PERIODIC_PREEMPTION_CHECKING 0
-#endif
-
-#if PERIODIC_PREEMPTION_CHECKING
-
/* Redisplay preemption timers. */
static EMACS_TIME preemption_period;
static EMACS_TIME preemption_next_check;
-#endif
-
-/* Nonzero upon entry to redisplay means do not assume anything about
+/* True upon entry to redisplay means do not assume anything about
current contents of actual terminal frame; clear and redraw it. */
-int frame_garbaged;
+bool frame_garbaged;
-/* Nonzero means last display completed. Zero means it was preempted. */
+/* True means last display completed. False means it was preempted. */
-int display_completed;
+bool display_completed;
Lisp_Object Qdisplay_table, Qredisplay_dont_pause;
struct frame *last_nonminibuf_frame;
-/* 1 means SIGWINCH happened when not safe. */
+/* True means SIGWINCH happened when not safe. */
-static int delayed_size_change;
+static bool delayed_size_change;
/* 1 means glyph initialization has been completed at startup. */
-static int glyphs_initialized_initially_p;
+static bool glyphs_initialized_initially_p;
/* Updated window if != 0. Set by update_window. */
static struct frame *frame_matrix_frame;
-/* Non-zero means that fonts have been loaded since the last glyph
+/* True means that fonts have been loaded since the last glyph
matrix adjustments. Redisplay must stop, and glyph matrices must
- be adjusted when this flag becomes non-zero during display. The
+ be adjusted when this flag becomes true during display. The
reason fonts can be loaded so late is that fonts of fontsets are
loaded on demand. Another reason is that a line contains many
characters displayed by zero width or very narrow glyphs of
variable-width fonts. */
-int fonts_changed_p;
+bool fonts_changed_p;
/* Convert vpos and hpos from frame to window and vice versa.
This may only be used for terminal frames. */
-#if GLYPH_DEBUG
+#ifdef GLYPH_DEBUG
static int window_to_frame_vpos (struct window *, int);
static int window_to_frame_hpos (struct window *, int);
history. */
static uprintmax_t history_tick;
-
-static void add_frame_display_history (struct frame *, int);
\f
/* Add to the redisplay history how window W has been displayed.
MSG is a trace containing the information how W's glyph matrix
- has been constructed. PAUSED_P non-zero means that the update
+ has been constructed. PAUSED_P means that the update
has been interrupted for pending input. */
static void
-add_window_display_history (struct window *w, const char *msg, int paused_p)
+add_window_display_history (struct window *w, const char *msg, bool paused_p)
{
char *buf;
/* Add to the redisplay history that frame F has been displayed.
- PAUSED_P non-zero means that the update has been interrupted for
+ PAUSED_P means that the update has been interrupted for
pending input. */
static void
-add_frame_display_history (struct frame *f, int paused_p)
+add_frame_display_history (struct frame *f, bool paused_p)
{
char *buf;
}
-#else /* GLYPH_DEBUG == 0 */
+#else /* not GLYPH_DEBUG */
#define WINDOW_TO_FRAME_VPOS(W, VPOS) ((VPOS) + WINDOW_TOP_EDGE_LINE (W))
#define WINDOW_TO_FRAME_HPOS(W, HPOS) ((HPOS) + WINDOW_LEFT_EDGE_COL (W))
-#endif /* GLYPH_DEBUG == 0 */
-
+#endif /* GLYPH_DEBUG */
-#if defined PROFILING && !HAVE___EXECUTABLE_START
-/* FIXME: only used to find text start for profiling. */
+#if (defined PROFILING \
+ && (defined __FreeBSD__ || defined GNU_LINUX || defined __MINGW32__) \
+ && !HAVE___EXECUTABLE_START)
+/* This function comes first in the Emacs executable and is used only
+ to estimate the text start for profiling. */
void
-safe_bcopy (const char *from, char *to, int size)
+__executable_start (void)
{
- abort ();
+ emacs_abort ();
}
#endif
\f
static struct glyph_matrix *
new_glyph_matrix (struct glyph_pool *pool)
{
- struct glyph_matrix *result;
-
- /* Allocate and clear. */
- result = (struct glyph_matrix *) xmalloc (sizeof *result);
- memset (result, 0, sizeof *result);
+ struct glyph_matrix *result = xzalloc (sizeof *result);
/* Increment number of allocated matrices. This count is used
to detect memory leaks. */
/* Detect the case that more matrices are freed than were
allocated. */
if (--glyph_matrix_count < 0)
- abort ();
+ emacs_abort ();
/* Free glyph memory if MATRIX owns it. */
if (matrix->pool == NULL)
return n;
}
-#if XASSERTS
-/* Return non-zero if ROW's hash value is correct, zero if not. */
-int
+/* Return true if ROW's hash value is correct.
+ Optimized away if ENABLE_CHECKING is not defined. */
+
+static bool
verify_row_hash (struct glyph_row *row)
{
return row->hash == row_hash (row);
}
-#endif
/* Adjust glyph matrix MATRIX on window W or on a frame to changed
window sizes.
{
int i;
int new_rows;
- int marginal_areas_changed_p = 0;
- int header_line_changed_p = 0;
- int header_line_p = 0;
+ bool marginal_areas_changed_p = 0;
+ bool header_line_changed_p = 0;
+ bool header_line_p = 0;
int left = -1, right = -1;
int window_width = -1, window_height = -1;
{
left = margin_glyphs_to_reserve (w, dim.width, w->left_margin_cols);
right = margin_glyphs_to_reserve (w, dim.width, w->right_margin_cols);
- xassert (left >= 0 && right >= 0);
+ eassert (left >= 0 && right >= 0);
marginal_areas_changed_p = (left != matrix->left_margin_glyphs
|| right != matrix->right_margin_glyphs);
each row into the glyph pool. */
if (matrix->pool)
{
- xassert (matrix->pool->glyphs);
+ eassert (matrix->pool->glyphs);
if (w)
{
}
}
- xassert (left >= 0 && right >= 0);
+ eassert (left >= 0 && right >= 0);
matrix->left_margin_glyphs = left;
matrix->right_margin_glyphs = right;
}
/* Number of rows to be used by MATRIX. */
matrix->nrows = dim.height;
- xassert (matrix->nrows >= 0);
+ eassert (matrix->nrows >= 0);
if (w)
{
are invalidated below. */
if (INTEGERP (w->window_end_vpos)
&& XFASTINT (w->window_end_vpos) >= i)
- w->window_end_valid = Qnil;
+ wset_window_end_valid (w, Qnil);
while (i < matrix->nrows)
matrix->rows[i++].enabled_p = 0;
void
increment_matrix_positions (struct glyph_matrix *matrix, int start, int end,
- EMACS_INT delta, EMACS_INT delta_bytes)
+ ptrdiff_t delta, ptrdiff_t delta_bytes)
{
/* Check that START and END are reasonable values. */
- xassert (start >= 0 && start <= matrix->nrows);
- xassert (end >= 0 && end <= matrix->nrows);
- xassert (start <= end);
+ eassert (start >= 0 && start <= matrix->nrows);
+ eassert (end >= 0 && end <= matrix->nrows);
+ eassert (start <= end);
for (; start < end; ++start)
increment_row_positions (matrix->rows + start, delta, delta_bytes);
}
-/* Enable a range of rows in glyph matrix MATRIX. START and END are
- the row indices of the first and last + 1 row to enable. If
- ENABLED_P is non-zero, enabled_p flags in rows will be set to 1. */
+/* Clear the enable_p flags in a range of rows in glyph matrix MATRIX.
+ START and END are the row indices of the first and last + 1 row to clear. */
void
-enable_glyph_matrix_rows (struct glyph_matrix *matrix, int start, int end, int enabled_p)
+clear_glyph_matrix_rows (struct glyph_matrix *matrix, int start, int end)
{
- xassert (start <= end);
- xassert (start >= 0 && start < matrix->nrows);
- xassert (end >= 0 && end <= matrix->nrows);
+ eassert (start <= end);
+ eassert (start >= 0 && start < matrix->nrows);
+ eassert (end >= 0 && end <= matrix->nrows);
for (; start < end; ++start)
- matrix->rows[start].enabled_p = enabled_p != 0;
+ matrix->rows[start].enabled_p = 0;
}
/* Clear MATRIX.
- This empties all rows in MATRIX by setting the enabled_p flag for
- all rows of the matrix to zero. The function prepare_desired_row
- will eventually really clear a row when it sees one with a zero
- enabled_p flag.
+ Empty all rows in MATRIX by clearing their enabled_p flags.
+ The function prepare_desired_row will eventually really clear a row
+ when it sees one with a false enabled_p flag.
- Resets update hints to defaults value. The only update hint
+ Reset update hints to default values. The only update hint
currently present is the flag MATRIX->no_scrolling_p. */
void
{
if (matrix)
{
- enable_glyph_matrix_rows (matrix, 0, matrix->nrows, 0);
+ clear_glyph_matrix_rows (matrix, 0, matrix->nrows);
matrix->no_scrolling_p = 0;
}
}
{
int min_y, max_y;
- xassert (start <= end);
- xassert (start >= 0 && start < matrix->nrows);
- xassert (end >= 0 && end <= matrix->nrows);
+ eassert (start <= end);
+ eassert (start >= 0 && start < matrix->nrows);
+ eassert (end >= 0 && end <= matrix->nrows);
min_y = WINDOW_HEADER_LINE_HEIGHT (w);
max_y = WINDOW_BOX_HEIGHT_NO_MODE_LINE (w);
clear_glyph_matrix (XWINDOW (f->tool_bar_window)->current_matrix);
/* Clear current window matrices. */
- xassert (WINDOWP (FRAME_ROOT_WINDOW (f)));
+ eassert (WINDOWP (FRAME_ROOT_WINDOW (f)));
clear_window_matrices (XWINDOW (FRAME_ROOT_WINDOW (f)), 0);
}
clear_glyph_matrix (XWINDOW (f->tool_bar_window)->desired_matrix);
/* Do it for window matrices. */
- xassert (WINDOWP (FRAME_ROOT_WINDOW (f)));
+ eassert (WINDOWP (FRAME_ROOT_WINDOW (f)));
clear_window_matrices (XWINDOW (FRAME_ROOT_WINDOW (f)), 1);
}
-/* Clear matrices in window tree rooted in W. If DESIRED_P is
- non-zero clear desired matrices, otherwise clear current matrices. */
+/* Clear matrices in window tree rooted in W. If DESIRED_P,
+ clear desired matrices, otherwise clear current matrices. */
static void
-clear_window_matrices (struct window *w, int desired_p)
+clear_window_matrices (struct window *w, bool desired_p)
{
while (w)
{
if (!NILP (w->hchild))
{
- xassert (WINDOWP (w->hchild));
+ eassert (WINDOWP (w->hchild));
clear_window_matrices (XWINDOW (w->hchild), desired_p);
}
else if (!NILP (w->vchild))
{
- xassert (WINDOWP (w->vchild));
+ eassert (WINDOWP (w->vchild));
clear_window_matrices (XWINDOW (w->vchild), desired_p);
}
else
else
{
clear_glyph_matrix (w->current_matrix);
- w->window_end_valid = Qnil;
+ wset_window_end_valid (w, Qnil);
}
}
static void
increment_row_positions (struct glyph_row *row,
- EMACS_INT delta, EMACS_INT delta_bytes)
+ ptrdiff_t delta, ptrdiff_t delta_bytes)
{
int area, i;
/* Test whether the glyph memory of the glyph row WINDOW_ROW, which is
a row in a window matrix, is a slice of the glyph memory of the
glyph row FRAME_ROW which is a row in a frame glyph matrix. Value
- is non-zero if the glyph memory of WINDOW_ROW is part of the glyph
+ is true if the glyph memory of WINDOW_ROW is part of the glyph
memory of FRAME_ROW. */
-#if GLYPH_DEBUG
+#ifdef GLYPH_DEBUG
-static int
+static bool
glyph_row_slice_p (struct glyph_row *window_row, struct glyph_row *frame_row)
{
struct glyph *window_glyph_start = window_row->glyphs[0];
{
int i;
- xassert (row >= 0 && row < frame_matrix->nrows);
+ eassert (row >= 0 && row < frame_matrix->nrows);
for (i = 0; i < window_matrix->nrows; ++i)
if (glyph_row_slice_p (window_matrix->rows + i,
{
if (!row->enabled_p)
{
- int rp = row->reversed_p;
+ bool rp = row->reversed_p;
clear_glyph_row (row);
row->enabled_p = 1;
}
-/* Test two glyph rows A and B for equality. Value is non-zero if A
- and B have equal contents. MOUSE_FACE_P non-zero means compare the
- mouse_face_p flags of A and B, too. */
+/* Return true if the glyph rows A and B have equal contents.
+ MOUSE_FACE_P means compare the mouse_face_p flags of A and B, too. */
-static inline int
-row_equal_p (struct glyph_row *a, struct glyph_row *b, int mouse_face_p)
+static inline bool
+row_equal_p (struct glyph_row *a, struct glyph_row *b, bool mouse_face_p)
{
- xassert (verify_row_hash (a));
- xassert (verify_row_hash (b));
+ eassert (verify_row_hash (a));
+ eassert (verify_row_hash (b));
if (a == b)
return 1;
static struct glyph_pool *
new_glyph_pool (void)
{
- struct glyph_pool *result;
-
- /* Allocate a new glyph_pool and clear it. */
- result = (struct glyph_pool *) xmalloc (sizeof *result);
- memset (result, 0, sizeof *result);
+ struct glyph_pool *result = xzalloc (sizeof *result);
/* For memory leak and double deletion checking. */
++glyph_pool_count;
{
/* More freed than allocated? */
--glyph_pool_count;
- xassert (glyph_pool_count >= 0);
+ eassert (glyph_pool_count >= 0);
xfree (pool->glyphs);
xfree (pool);
is changed from a large value to a smaller one. But, if someone
does it once, we can expect that he will do it again.
- Value is non-zero if the pool changed in a way which makes
+ Return true if the pool changed in a way which makes
re-adjusting window glyph matrices necessary. */
-static int
+static bool
realloc_glyph_pool (struct glyph_pool *pool, struct dim matrix_dim)
{
ptrdiff_t needed;
- int changed_p;
+ bool changed_p;
changed_p = (pool->glyphs == 0
|| matrix_dim.height != pool->nrows
Debug Code
***********************************************************************/
-#if GLYPH_DEBUG
+#ifdef GLYPH_DEBUG
/* Flush standard output. This is sometimes useful to call from the debugger.
for (i = 0; i < matrix->nrows; ++i)
for (j = 0; j < matrix->nrows; ++j)
- xassert (i == j
+ eassert (i == j
|| (matrix->rows[i].glyphs[TEXT_AREA]
!= matrix->rows[j].glyphs[TEXT_AREA]));
}
struct glyph_row *
matrix_row (struct glyph_matrix *matrix, int row)
{
- xassert (matrix && matrix->rows);
- xassert (row >= 0 && row < matrix->nrows);
+ eassert (matrix && matrix->rows);
+ eassert (row >= 0 && row < matrix->nrows);
/* That's really too slow for normal testing because this function
is called almost everywhere. Although---it's still astonishingly
last_text_row = row;
/* Check that character and byte positions are in sync. */
- xassert (MATRIX_ROW_START_BYTEPOS (row)
+ eassert (MATRIX_ROW_START_BYTEPOS (row)
== CHAR_TO_BYTE (MATRIX_ROW_START_CHARPOS (row)));
- xassert (BYTEPOS (row->start.pos)
+ eassert (BYTEPOS (row->start.pos)
== CHAR_TO_BYTE (CHARPOS (row->start.pos)));
/* CHAR_TO_BYTE aborts when invoked for a position > Z. We can
displaying something like `[Sole completion]' at its end. */
if (MATRIX_ROW_END_CHARPOS (row) < BUF_ZV (current_buffer))
{
- xassert (MATRIX_ROW_END_BYTEPOS (row)
+ eassert (MATRIX_ROW_END_BYTEPOS (row)
== CHAR_TO_BYTE (MATRIX_ROW_END_CHARPOS (row)));
- xassert (BYTEPOS (row->end.pos)
+ eassert (BYTEPOS (row->end.pos)
== CHAR_TO_BYTE (CHARPOS (row->end.pos)));
}
of next row. */
if (next->enabled_p && MATRIX_ROW_DISPLAYS_TEXT_P (next))
{
- xassert (MATRIX_ROW_END_CHARPOS (row)
+ eassert (MATRIX_ROW_END_CHARPOS (row)
== MATRIX_ROW_START_CHARPOS (next));
- xassert (MATRIX_ROW_END_BYTEPOS (row)
+ eassert (MATRIX_ROW_END_BYTEPOS (row)
== MATRIX_ROW_START_BYTEPOS (next));
- xassert (CHARPOS (row->end.pos) == CHARPOS (next->start.pos));
- xassert (BYTEPOS (row->end.pos) == BYTEPOS (next->start.pos));
+ eassert (CHARPOS (row->end.pos) == CHARPOS (next->start.pos));
+ eassert (BYTEPOS (row->end.pos) == BYTEPOS (next->start.pos));
}
row = next;
}
- xassert (w->current_matrix->nrows == w->desired_matrix->nrows);
- xassert (w->desired_matrix->rows != NULL);
+ eassert (w->current_matrix->nrows == w->desired_matrix->nrows);
+ eassert (w->desired_matrix->rows != NULL);
set_buffer_temp (saved);
}
#endif /* 0 */
-#endif /* GLYPH_DEBUG != 0 */
+#endif /* GLYPH_DEBUG */
\f
X and Y are column/row within the frame glyph matrix where
sub-matrices for the window tree rooted at WINDOW must be
- allocated. DIM_ONLY_P non-zero means that the caller of this
+ allocated. DIM_ONLY_P means that the caller of this
function is only interested in the result matrix dimension, and
matrix adjustments should not be performed.
static struct dim
allocate_matrices_for_frame_redisplay (Lisp_Object window, int x, int y,
- int dim_only_p, int *window_change_flags)
+ bool dim_only_p, int *window_change_flags)
{
struct frame *f = XFRAME (WINDOW_FRAME (XWINDOW (window)));
int x0 = x, y0 = y;
struct dim total;
struct dim dim;
struct window *w;
- int in_horz_combination_p;
+ bool in_horz_combination_p;
/* What combination is WINDOW part of? Compute this once since the
result is the same for all windows in the `next' chain. The
/* Actually change matrices, if allowed. Do not consider
CHANGED_LEAF_MATRIX computed above here because the pool
may have been changed which we don't now here. We trust
- that we only will be called with DIM_ONLY_P != 0 when
+ that we only will be called with DIM_ONLY_P when
necessary. */
if (!dim_only_p)
{
{
/* Block input so that expose events and other events that access
glyph matrices are not processed while we are changing them. */
- BLOCK_INPUT;
+ block_input ();
if (f)
adjust_frame_glyphs (f);
adjust_frame_glyphs (XFRAME (lisp_frame));
}
- UNBLOCK_INPUT;
+ unblock_input ();
}
int top_margin = FRAME_TOP_MARGIN (sf);
/* Do it for the root window. */
- XSETFASTINT (root->top_line, top_margin);
- XSETFASTINT (root->total_lines, frame_lines - 1 - top_margin);
- XSETFASTINT (root->total_cols, frame_cols);
+ wset_top_line (root, make_number (top_margin));
+ wset_total_lines (root, make_number (frame_lines - 1 - top_margin));
+ wset_total_cols (root, make_number (frame_cols));
/* Do it for the mini-buffer window. */
- XSETFASTINT (mini->top_line, frame_lines - 1);
- XSETFASTINT (mini->total_lines, 1);
- XSETFASTINT (mini->total_cols, frame_cols);
+ wset_top_line (mini, make_number (frame_lines - 1));
+ wset_total_lines (mini, make_number (1));
+ wset_total_cols (mini, make_number (frame_cols));
adjust_frame_glyphs (sf);
glyphs_initialized_initially_p = 1;
f->glyphs_initialized_p = 1;
}
-/* Return 1 if any window in the tree has nonzero window margins. See
+/* Return true if any window in the tree has nonzero window margins. See
the hack at the end of adjust_frame_glyphs_for_frame_redisplay. */
-static int
+static bool
showing_window_margins_p (struct window *w)
{
while (w)
struct glyph_matrix *m = w->current_matrix;
struct glyph_matrix *fm = f->current_matrix;
- xassert (m->matrix_h == WINDOW_TOTAL_LINES (w));
- xassert (m->matrix_w == WINDOW_TOTAL_COLS (w));
+ eassert (m->matrix_h == WINDOW_TOTAL_LINES (w));
+ eassert (m->matrix_w == WINDOW_TOTAL_COLS (w));
for (i = 0; i < m->matrix_h; ++i)
{
struct glyph_row *r = m->rows + i;
struct glyph_row *fr = fm->rows + i + WINDOW_TOP_EDGE_LINE (w);
- xassert (r->glyphs[TEXT_AREA] >= fr->glyphs[TEXT_AREA]
+ eassert (r->glyphs[TEXT_AREA] >= fr->glyphs[TEXT_AREA]
&& r->glyphs[LAST_AREA] <= fr->glyphs[LAST_AREA]);
r->enabled_p = fr->enabled_p;
save_current_matrix (struct frame *f)
{
int i;
- struct glyph_matrix *saved;
-
- saved = (struct glyph_matrix *) xmalloc (sizeof *saved);
- memset (saved, 0, sizeof *saved);
+ struct glyph_matrix *saved = xzalloc (sizeof *saved);
saved->nrows = f->current_matrix->nrows;
- saved->rows = (struct glyph_row *) xmalloc (saved->nrows
- * sizeof *saved->rows);
- memset (saved->rows, 0, saved->nrows * sizeof *saved->rows);
+ saved->rows = xzalloc (saved->nrows * sizeof *saved->rows);
for (i = 0; i < saved->nrows; ++i)
{
struct glyph_row *from = f->current_matrix->rows + i;
struct glyph_row *to = saved->rows + i;
ptrdiff_t nbytes = from->used[TEXT_AREA] * sizeof (struct glyph);
- to->glyphs[TEXT_AREA] = (struct glyph *) xmalloc (nbytes);
+ to->glyphs[TEXT_AREA] = xmalloc (nbytes);
memcpy (to->glyphs[TEXT_AREA], from->glyphs[TEXT_AREA], nbytes);
to->used[TEXT_AREA] = from->used[TEXT_AREA];
}
adjust_frame_glyphs_for_frame_redisplay (struct frame *f)
{
struct dim matrix_dim;
- int pool_changed_p;
+ bool pool_changed_p;
int window_change_flags;
int top_window_y;
/* Size of frame matrices must equal size of frame. Note
that we are called for X frames with window widths NOT equal
to the frame width (from CHANGE_FRAME_SIZE_1). */
- xassert (matrix_dim.width == FRAME_COLS (f)
+ eassert (matrix_dim.width == FRAME_COLS (f)
&& matrix_dim.height == FRAME_LINES (f));
/* Pointers to glyph memory in glyph rows are exchanged during
static void
adjust_frame_glyphs_for_window_redisplay (struct frame *f)
{
- xassert (FRAME_WINDOW_P (f) && FRAME_LIVE_P (f));
+ eassert (FRAME_WINDOW_P (f) && FRAME_LIVE_P (f));
/* Allocate/reallocate window matrices. */
allocate_matrices_for_window_redisplay (XWINDOW (FRAME_ROOT_WINDOW (f)));
struct window *w;
if (NILP (f->menu_bar_window))
{
- f->menu_bar_window = make_window ();
+ Lisp_Object frame;
+ fset_menu_bar_window (f, make_window ());
w = XWINDOW (f->menu_bar_window);
- XSETFRAME (w->frame, f);
+ XSETFRAME (frame, f);
+ wset_frame (w, frame);
w->pseudo_window_p = 1;
}
else
/* Set window dimensions to frame dimensions and allocate or
adjust glyph matrices of W. */
- XSETFASTINT (w->top_line, 0);
- XSETFASTINT (w->left_col, 0);
- XSETFASTINT (w->total_lines, FRAME_MENU_BAR_LINES (f));
- XSETFASTINT (w->total_cols, FRAME_TOTAL_COLS (f));
+ wset_top_line (w, make_number (0));
+ wset_left_col (w, make_number (0));
+ wset_total_lines (w, make_number (FRAME_MENU_BAR_LINES (f)));
+ wset_total_cols (w, make_number (FRAME_TOTAL_COLS (f)));
allocate_matrices_for_window_redisplay (w);
}
#endif /* not USE_X_TOOLKIT && not USE_GTK */
struct window *w;
if (NILP (f->tool_bar_window))
{
- f->tool_bar_window = make_window ();
+ Lisp_Object frame;
+ fset_tool_bar_window (f, make_window ());
w = XWINDOW (f->tool_bar_window);
- XSETFRAME (w->frame, f);
+ XSETFRAME (frame, f);
+ wset_frame (w, frame);
w->pseudo_window_p = 1;
}
else
w = XWINDOW (f->tool_bar_window);
- XSETFASTINT (w->top_line, FRAME_MENU_BAR_LINES (f));
- XSETFASTINT (w->left_col, 0);
- XSETFASTINT (w->total_lines, FRAME_TOOL_BAR_LINES (f));
- XSETFASTINT (w->total_cols, FRAME_TOTAL_COLS (f));
+ wset_top_line (w, make_number (FRAME_MENU_BAR_LINES (f)));
+ wset_left_col (w, make_number (0));
+ wset_total_lines (w, make_number (FRAME_TOOL_BAR_LINES (f)));
+ wset_total_cols (w, make_number (FRAME_TOTAL_COLS (f)));
allocate_matrices_for_window_redisplay (w);
}
#endif
static void
adjust_frame_message_buffer (struct frame *f)
{
- ptrdiff_t size = FRAME_MESSAGE_BUF_SIZE (f) + 1;
-
- if (FRAME_MESSAGE_BUF (f))
- {
- char *buffer = FRAME_MESSAGE_BUF (f);
- char *new_buffer = (char *) xrealloc (buffer, size);
- FRAME_MESSAGE_BUF (f) = new_buffer;
- }
- else
- FRAME_MESSAGE_BUF (f) = (char *) xmalloc (size);
+ FRAME_MESSAGE_BUF (f) = xrealloc (FRAME_MESSAGE_BUF (f),
+ FRAME_MESSAGE_BUF_SIZE (f) + 1);
}
static void
adjust_decode_mode_spec_buffer (struct frame *f)
{
- f->decode_mode_spec_buffer
- = (char *) xrealloc (f->decode_mode_spec_buffer,
- FRAME_MESSAGE_BUF_SIZE (f) + 1);
+ f->decode_mode_spec_buffer = xrealloc (f->decode_mode_spec_buffer,
+ FRAME_MESSAGE_BUF_SIZE (f) + 1);
}
{
/* Block interrupt input so that we don't get surprised by an X
event while we're in an inconsistent state. */
- BLOCK_INPUT;
+ block_input ();
f->glyphs_initialized_p = 0;
/* Release window sub-matrices. */
free_glyph_matrix (w->desired_matrix);
free_glyph_matrix (w->current_matrix);
w->desired_matrix = w->current_matrix = NULL;
- f->menu_bar_window = Qnil;
+ fset_menu_bar_window (f, Qnil);
}
/* Free the tool bar window and its glyph matrices. */
free_glyph_matrix (w->desired_matrix);
free_glyph_matrix (w->current_matrix);
w->desired_matrix = w->current_matrix = NULL;
- f->tool_bar_window = Qnil;
+ fset_tool_bar_window (f, Qnil);
}
/* Release frame glyph matrices. Reset fields to zero in
f->desired_pool = f->current_pool = NULL;
}
- UNBLOCK_INPUT;
+ unblock_input ();
}
}
/* Check that nothing is left allocated. */
if (glyph_matrix_count)
- abort ();
+ emacs_abort ();
if (glyph_pool_count)
- abort ();
+ emacs_abort ();
}
int i;
/* F must have a frame matrix when this function is called. */
- xassert (!FRAME_WINDOW_P (f));
+ eassert (!FRAME_WINDOW_P (f));
/* Clear all rows in the frame matrix covered by window matrices.
Menu bar lines are not covered by windows. */
desired frame matrix built. W is a leaf window whose desired or
current matrix is to be added to FRAME_MATRIX. W's flag
must_be_updated_p determines which matrix it contributes to
- FRAME_MATRIX. If must_be_updated_p is non-zero, W's desired matrix
+ FRAME_MATRIX. If W->must_be_updated_p, W's desired matrix
is added to FRAME_MATRIX, otherwise W's current matrix is added.
Adding a desired matrix means setting up used counters and such in
frame rows, while adding a current window matrix to FRAME_MATRIX
SET_GLYPH_FROM_CHAR (right_border_glyph, '|');
if (dp
- && (gc = DISP_BORDER_GLYPH (dp), GLYPH_CODE_P (gc))
- && GLYPH_CODE_CHAR_VALID_P (gc))
+ && (gc = DISP_BORDER_GLYPH (dp), GLYPH_CODE_P (gc)))
{
SET_GLYPH_FROM_GLYPH_CODE (right_border_glyph, gc);
spec_glyph_lookup_face (w, &right_border_glyph);
{
struct glyph_row *frame_row = frame_matrix->rows + frame_y;
struct glyph_row *window_row = window_matrix->rows + window_y;
- int current_row_p = window_matrix == w->current_matrix;
+ bool current_row_p = window_matrix == w->current_matrix;
/* Fill up the frame row with spaces up to the left margin of the
window row. */
}
else
{
- xassert (window_row->enabled_p);
+ eassert (window_row->enabled_p);
/* Only when a desired row has been displayed, we want
the corresponding frame row to be updated. */
SET_CHAR_GLYPH_FROM_GLYPH (*border, right_border_glyph);
}
-#if GLYPH_DEBUG
+#ifdef GLYPH_DEBUG
/* Window row window_y must be a slice of frame row
frame_y. */
- xassert (glyph_row_slice_p (window_row, frame_row));
+ eassert (glyph_row_slice_p (window_row, frame_row));
/* If rows are in sync, we don't have to copy glyphs because
frame and window share glyphs. */
{
struct glyph_row *current_row = MATRIX_ROW (current_matrix, row);
struct glyph_row *desired_row = MATRIX_ROW (desired_matrix, row);
- int mouse_face_p = current_row->mouse_face_p;
+ bool mouse_face_p = current_row->mouse_face_p;
/* Do current_row = desired_row. This exchanges glyph pointers
between both rows, and does a structure assignment otherwise. */
int i;
/* Make a copy of the original rows. */
- old_rows = (struct glyph_row *) alloca (nlines * sizeof *old_rows);
+ old_rows = alloca (nlines * sizeof *old_rows);
memcpy (old_rows, new_rows, nlines * sizeof *old_rows);
/* Assign new rows, maybe clear lines. */
for (i = 0; i < nlines; ++i)
{
- int enabled_before_p = new_rows[i].enabled_p;
+ bool enabled_before_p = new_rows[i].enabled_p;
- xassert (i + unchanged_at_top < matrix->nrows);
- xassert (unchanged_at_top + copy_from[i] < matrix->nrows);
+ eassert (i + unchanged_at_top < matrix->nrows);
+ eassert (unchanged_at_top + copy_from[i] < matrix->nrows);
new_rows[i] = old_rows[copy_from[i]];
new_rows[i].enabled_p = enabled_before_p;
int left, right, x, width;
/* Preconditions: W must be a leaf window on a tty frame. */
- xassert (NILP (w->hchild) && NILP (w->vchild));
- xassert (!FRAME_WINDOW_P (f));
+ eassert (NILP (w->hchild) && NILP (w->vchild));
+ eassert (!FRAME_WINDOW_P (f));
left = margin_glyphs_to_reserve (w, 1, w->left_margin_cols);
right = margin_glyphs_to_reserve (w, 1, w->right_margin_cols);
/* W is a leaf window, and we are working on its current
matrix m. */
struct glyph_matrix *m = w->current_matrix;
- int i, sync_p = 0;
+ int i;
+ bool sync_p = 0;
struct glyph_row *old_rows;
/* Make a copy of the original rows of matrix m. */
- old_rows = (struct glyph_row *) alloca (m->nrows * sizeof *old_rows);
+ old_rows = alloca (m->nrows * sizeof *old_rows);
memcpy (old_rows, m->rows, m->nrows * sizeof *old_rows);
for (i = 0; i < nlines; ++i)
int window_from = frame_from - m->matrix_y;
/* Is assigned line inside window? */
- int from_inside_window_p
+ bool from_inside_window_p
= window_from >= 0 && window_from < m->matrix_h;
/* Is assigned to line inside window? */
- int to_inside_window_p
+ bool to_inside_window_p
= window_to >= 0 && window_to < m->matrix_h;
if (from_inside_window_p && to_inside_window_p)
{
- /* Enabled setting before assignment. */
- int enabled_before_p;
-
/* Do the assignment. The enabled_p flag is saved
over the assignment because the old redisplay did
that. */
- enabled_before_p = m->rows[window_to].enabled_p;
+ bool enabled_before_p = m->rows[window_to].enabled_p;
m->rows[window_to] = old_rows[window_from];
m->rows[window_to].enabled_p = enabled_before_p;
}
-#if GLYPH_DEBUG
+#ifdef GLYPH_DEBUG
/* Check that window and frame matrices agree about their
understanding where glyphs of the rows are to find. For each
{
if (!glyph_row_slice_p (window_matrix->rows + i,
frame_matrix->rows + j))
- abort ();
+ emacs_abort ();
++i, ++j;
}
}
-#endif /* GLYPH_DEBUG != 0 */
+#endif /* GLYPH_DEBUG */
\f
VPOS and HPOS translations
**********************************************************************/
-#if GLYPH_DEBUG
+#ifdef GLYPH_DEBUG
/* Translate vertical position VPOS which is relative to window W to a
vertical position relative to W's frame. */
static int
window_to_frame_vpos (struct window *w, int vpos)
{
- xassert (!FRAME_WINDOW_P (XFRAME (w->frame)));
- xassert (vpos >= 0 && vpos <= w->desired_matrix->nrows);
+ eassert (!FRAME_WINDOW_P (XFRAME (w->frame)));
+ eassert (vpos >= 0 && vpos <= w->desired_matrix->nrows);
vpos += WINDOW_TOP_EDGE_LINE (w);
- xassert (vpos >= 0 && vpos <= FRAME_LINES (XFRAME (w->frame)));
+ eassert (vpos >= 0 && vpos <= FRAME_LINES (XFRAME (w->frame)));
return vpos;
}
static int
window_to_frame_hpos (struct window *w, int hpos)
{
- xassert (!FRAME_WINDOW_P (XFRAME (w->frame)));
+ eassert (!FRAME_WINDOW_P (XFRAME (w->frame)));
hpos += WINDOW_LEFT_EDGE_COL (w);
return hpos;
}
/* Update frame F based on the data in desired matrices.
- If FORCE_P is non-zero, don't let redisplay be stopped by detecting
- pending input. If INHIBIT_HAIRY_ID_P is non-zero, don't try
- scrolling.
+ If FORCE_P, don't let redisplay be stopped by detecting pending input.
+ If INHIBIT_HAIRY_ID_P, don't try scrolling.
- Value is non-zero if redisplay was stopped due to pending input. */
+ Value is true if redisplay was stopped due to pending input. */
-int
-update_frame (struct frame *f, int force_p, int inhibit_hairy_id_p)
+bool
+update_frame (struct frame *f, bool force_p, bool inhibit_hairy_id_p)
{
- /* 1 means display has been paused because of pending input. */
- int paused_p;
+ /* True means display has been paused because of pending input. */
+ bool paused_p;
struct window *root_window = XWINDOW (f->root_window);
if (redisplay_dont_pause)
force_p = 1;
-#if PERIODIC_PREEMPTION_CHECKING
else if (NILP (Vredisplay_preemption_period))
force_p = 1;
else if (!force_p && NUMBERP (Vredisplay_preemption_period))
{
- EMACS_TIME tm;
double p = XFLOATINT (Vredisplay_preemption_period);
- int sec, usec;
if (detect_input_pending_ignore_squeezables ())
{
goto do_pause;
}
- sec = (int) p;
- usec = (p - sec) * 1000000;
-
- EMACS_GET_TIME (tm);
- EMACS_SET_SECS_USECS (preemption_period, sec, usec);
- EMACS_ADD_TIME (preemption_next_check, tm, preemption_period);
+ preemption_period = EMACS_TIME_FROM_DOUBLE (p);
+ preemption_next_check = add_emacs_time (current_emacs_time (),
+ preemption_period);
}
-#endif
if (FRAME_WINDOW_P (f))
{
/* Swap tool-bar strings. We swap because we want to
reuse strings. */
tem = f->current_tool_bar_string;
- f->current_tool_bar_string = f->desired_tool_bar_string;
- f->desired_tool_bar_string = tem;
+ fset_current_tool_bar_string (f, f->desired_tool_bar_string);
+ fset_desired_tool_bar_string (f, tem);
}
}
}
/* Check window matrices for lost pointers. */
-#if GLYPH_DEBUG
+#ifdef GLYPH_DEBUG
check_window_matrix_pointers (root_window);
add_frame_display_history (f, paused_p);
#endif
}
-#if PERIODIC_PREEMPTION_CHECKING
do_pause:
-#endif
/* Reset flags indicating that a window should be updated. */
set_window_update_flags (root_window, 0);
Window-based updates
************************************************************************/
-/* Perform updates in window tree rooted at W. FORCE_P non-zero means
- don't stop updating when input is pending. */
+/* Perform updates in window tree rooted at W.
+ If FORCE_P, don't stop updating if input is pending. */
-static int
-update_window_tree (struct window *w, int force_p)
+static bool
+update_window_tree (struct window *w, bool force_p)
{
- int paused_p = 0;
+ bool paused_p = 0;
while (w && !paused_p)
{
}
-/* Update window W if its flag must_be_updated_p is non-zero. If
- FORCE_P is non-zero, don't stop updating if input is pending. */
+/* Update window W if its flag must_be_updated_p is set.
+ If FORCE_P, don't stop updating if input is pending. */
void
-update_single_window (struct window *w, int force_p)
+update_single_window (struct window *w, bool force_p)
{
if (w->must_be_updated_p)
{
if (redisplay_dont_pause)
force_p = 1;
-#if PERIODIC_PREEMPTION_CHECKING
else if (NILP (Vredisplay_preemption_period))
force_p = 1;
else if (!force_p && NUMBERP (Vredisplay_preemption_period))
{
- EMACS_TIME tm;
double p = XFLOATINT (Vredisplay_preemption_period);
- int sec, usec;
-
- sec = (int) p;
- usec = (p - sec) * 1000000;
-
- EMACS_GET_TIME (tm);
- EMACS_SET_SECS_USECS (preemption_period, sec, usec);
- EMACS_ADD_TIME (preemption_next_check, tm, preemption_period);
+ preemption_period = EMACS_TIME_FROM_DOUBLE (p);
+ preemption_next_check = add_emacs_time (current_emacs_time (),
+ preemption_period);
}
-#endif
/* Update W. */
update_begin (f);
static void
check_current_matrix_flags (struct window *w)
{
- int last_seen_p = 0;
+ bool last_seen_p = 0;
int i, yb = window_text_bottom_y (w);
for (i = 0; i < w->current_matrix->nrows - 1; ++i)
if (!last_seen_p && MATRIX_ROW_BOTTOM_Y (row) >= yb)
last_seen_p = 1;
else if (last_seen_p && row->enabled_p)
- abort ();
+ emacs_abort ();
}
}
#endif /* GLYPH_DEBUG */
-/* Update display of window W. FORCE_P non-zero means that we should
- not stop when detecting pending input. */
+/* Update display of window W.
+ If FORCE_P, don't stop updating when input is pending. */
-static int
-update_window (struct window *w, int force_p)
+static bool
+update_window (struct window *w, bool force_p)
{
struct glyph_matrix *desired_matrix = w->desired_matrix;
- int paused_p;
+ bool paused_p;
#if !PERIODIC_PREEMPTION_CHECKING
int preempt_count = baud_rate / 2400 + 1;
#endif
struct redisplay_interface *rif = FRAME_RIF (XFRAME (WINDOW_FRAME (w)));
-#if GLYPH_DEBUG
+#ifdef GLYPH_DEBUG
/* Check that W's frame doesn't have glyph matrices. */
- xassert (FRAME_WINDOW_P (XFRAME (WINDOW_FRAME (w))));
+ eassert (FRAME_WINDOW_P (XFRAME (WINDOW_FRAME (w))));
#endif
/* Check pending input the first time so that we can quickly return. */
struct glyph_row *row, *end;
struct glyph_row *mode_line_row;
struct glyph_row *header_line_row;
- int yb, changed_p = 0, mouse_face_overwritten_p = 0;
+ int yb;
+ bool changed_p = 0, mouse_face_overwritten_p = 0;
#if ! PERIODIC_PREEMPTION_CHECKING
int n_updated = 0;
#endif
#if PERIODIC_PREEMPTION_CHECKING
if (!force_p)
{
- EMACS_TIME tm, dif;
- EMACS_GET_TIME (tm);
- EMACS_SUB_TIME (dif, preemption_next_check, tm);
- if (EMACS_TIME_NEG_P (dif))
+ EMACS_TIME tm = current_emacs_time ();
+ if (EMACS_TIME_LT (preemption_next_check, tm))
{
- EMACS_ADD_TIME (preemption_next_check, tm, preemption_period);
+ preemption_next_check = add_emacs_time (tm,
+ preemption_period);
if (detect_input_pending_ignore_squeezables ())
break;
}
#endif
}
-#if GLYPH_DEBUG
+#ifdef GLYPH_DEBUG
/* Remember the redisplay method used to display the matrix. */
strcpy (w->current_matrix->method, w->desired_matrix->method);
#endif
else
paused_p = 1;
-#if GLYPH_DEBUG
+#ifdef GLYPH_DEBUG
/* check_current_matrix_flags (w); */
add_window_display_history (w, w->current_matrix->method, paused_p);
#endif
/* Update the display of the text area of row VPOS in window W.
- Value is non-zero if display has changed. */
+ Value is true if display has changed. */
-static int
+static bool
update_text_area (struct window *w, int vpos)
{
struct glyph_row *current_row = MATRIX_ROW (w->current_matrix, vpos);
struct glyph_row *desired_row = MATRIX_ROW (w->desired_matrix, vpos);
struct redisplay_interface *rif = FRAME_RIF (XFRAME (WINDOW_FRAME (w)));
- int changed_p = 0;
+ bool changed_p = 0;
/* Let functions in xterm.c know what area subsequent X positions
will be relative to. */
int stop, i, x;
struct glyph *current_glyph = current_row->glyphs[TEXT_AREA];
struct glyph *desired_glyph = desired_row->glyphs[TEXT_AREA];
- int overlapping_glyphs_p = current_row->contains_overlapping_glyphs_p;
+ bool overlapping_glyphs_p = current_row->contains_overlapping_glyphs_p;
int desired_stop_pos = desired_row->used[TEXT_AREA];
- int abort_skipping = 0;
+ bool abort_skipping = 0;
/* If the desired row extends its face to the text area end, and
unless the current row also does so at the same position,
in common. */
while (i < stop)
{
- int can_skip_p = !abort_skipping;
+ bool can_skip_p = !abort_skipping;
/* Skip over glyphs that both rows have in common. These
don't have to be written. We can't skip if the last
{
int left, right;
- rif->get_glyph_overhangs (current_glyph, XFRAME (w->frame),
+ rif->get_glyph_overhangs (current_glyph,
+ XFRAME (w->frame),
&left, &right);
while (left > 0 && i > 0)
{
int start_x = x, start_hpos = i;
struct glyph *start = desired_glyph;
int current_x = x;
- int skip_first_p = !can_skip_p;
+ bool skip_first_p = !can_skip_p;
/* Find the next glyph that's equal again. */
while (i < stop
has to be cleared, if and only if we did a write_glyphs
above. This is made sure by setting desired_stop_pos
appropriately above. */
- xassert (i < desired_row->used[TEXT_AREA]
+ eassert (i < desired_row->used[TEXT_AREA]
|| ((desired_row->used[TEXT_AREA]
== current_row->used[TEXT_AREA])
&& MATRIX_ROW_EXTENDS_FACE_P (current_row)));
}
-/* Update row VPOS in window W. Value is non-zero if display has been
- changed. */
+/* Update row VPOS in window W. Value is true if display has been changed. */
-static int
-update_window_line (struct window *w, int vpos, int *mouse_face_overwritten_p)
+static bool
+update_window_line (struct window *w, int vpos, bool *mouse_face_overwritten_p)
{
struct glyph_row *current_row = MATRIX_ROW (w->current_matrix, vpos);
struct glyph_row *desired_row = MATRIX_ROW (w->desired_matrix, vpos);
struct redisplay_interface *rif = FRAME_RIF (XFRAME (WINDOW_FRAME (w)));
- int changed_p = 0;
+ bool changed_p = 0;
/* Set the row being updated. This is important to let xterm.c
know what line height values are in effect. */
if (desired_row->mode_line_p
|| desired_row->visible_height > 0)
{
- xassert (desired_row->enabled_p);
+ eassert (desired_row->enabled_p);
/* Update display of the left margin area, if there is one. */
if (!desired_row->full_width_p
{
changed_p = 1;
update_marginal_area (w, LEFT_MARGIN_AREA, vpos);
+ /* Setting this flag will ensure the vertical border, if
+ any, between this window and the one on its left will be
+ redrawn. This is necessary because updating the left
+ margin area can potentially draw over the border. */
+ current_row->redraw_fringe_bitmaps_p = 1;
}
/* Update the display of the text area. */
int cx, cy, vpos, hpos;
/* Not intended for frame matrix updates. */
- xassert (FRAME_WINDOW_P (f));
+ eassert (FRAME_WINDOW_P (f));
if (cursor_in_echo_area
&& !NILP (echo_area_buffer[0])
tree rooted at W. */
void
-set_window_update_flags (struct window *w, int on_p)
+set_window_update_flags (struct window *w, bool on_p)
{
while (w)
{
ptrdiff_t i = row->hash % row_table_size;
entry = row_table[i];
- xassert (entry || verify_row_hash (row));
+ eassert (entry || verify_row_hash (row));
while (entry && !row_equal_p (entry->row, row, 1))
entry = entry->next;
/* Try to reuse part of the current display of W by scrolling lines.
- HEADER_LINE_P non-zero means W has a header line.
+ HEADER_LINE_P means W has a header line.
The algorithm is taken from Communications of the ACM, Apr78 "A
Technique for Isolating Differences Between Files." It should take
1 if we did scroll. */
static int
-scrolling_window (struct window *w, int header_line_p)
+scrolling_window (struct window *w, bool header_line_p)
{
struct glyph_matrix *desired_matrix = w->desired_matrix;
struct glyph_matrix *current_matrix = w->current_matrix;
struct redisplay_interface *rif = FRAME_RIF (XFRAME (WINDOW_FRAME (w)));
/* Skip over rows equal at the start. */
- for (i = header_line_p ? 1 : 0; i < current_matrix->nrows - 1; ++i)
+ for (i = header_line_p; i < current_matrix->nrows - 1; ++i)
{
struct glyph_row *d = MATRIX_ROW (desired_matrix, i);
struct glyph_row *c = MATRIX_ROW (current_matrix, i);
for (i = first_new; i < last_new; ++i)
{
- xassert (MATRIX_ROW_ENABLED_P (desired_matrix, i));
+ eassert (MATRIX_ROW_ENABLED_P (desired_matrix, i));
entry = add_row_entry (MATRIX_ROW (desired_matrix, i));
++entry->new_uses;
entry->new_line_number = i;
for (j = nruns - 1; j > i; --j)
{
struct run *p = runs[j];
- int truncated_p = 0;
+ bool truncated_p = 0;
if (p->nrows > 0
&& p->desired_y < r->desired_y + r->height
for (j = 0; j < r->nrows; ++j)
{
struct glyph_row *from, *to;
- int to_overlapped_p;
+ bool to_overlapped_p;
to = MATRIX_ROW (current_matrix, r->desired_vpos + j);
from = MATRIX_ROW (desired_matrix, r->desired_vpos + j);
row. But thanks to the truncation code in the
preceding for-loop, we no longer have such an overlap,
and thus the assigned row should always be enabled. */
- xassert (to->enabled_p);
+ eassert (to->enabled_p);
from->enabled_p = 0;
to->overlapped_p = to_overlapped_p;
}
/* Update the desired frame matrix of frame F.
- FORCE_P non-zero means that the update should not be stopped by
- pending input. INHIBIT_HAIRY_ID_P non-zero means that scrolling
- should not be tried.
+ FORCE_P means that the update should not be stopped by pending input.
+ INHIBIT_HAIRY_ID_P means that scrolling should not be tried.
- Value is non-zero if update was stopped due to pending input. */
+ Value is true if update was stopped due to pending input. */
-static int
-update_frame_1 (struct frame *f, int force_p, int inhibit_id_p)
+static bool
+update_frame_1 (struct frame *f, bool force_p, bool inhibit_id_p)
{
/* Frame matrices to work on. */
struct glyph_matrix *current_matrix = f->current_matrix;
struct glyph_matrix *desired_matrix = f->desired_matrix;
int i;
- int pause_p;
+ bool pause_p;
int preempt_count = baud_rate / 2400 + 1;
- xassert (current_matrix && desired_matrix);
+ eassert (current_matrix && desired_matrix);
if (baud_rate != FRAME_COST_BAUD_RATE (f))
calculate_costs (f);
#if PERIODIC_PREEMPTION_CHECKING
if (!force_p)
{
- EMACS_TIME tm, dif;
- EMACS_GET_TIME (tm);
- EMACS_SUB_TIME (dif, preemption_next_check, tm);
- if (EMACS_TIME_NEG_P (dif))
+ EMACS_TIME tm = current_emacs_time ();
+ if (EMACS_TIME_LT (preemption_next_check, tm))
{
- EMACS_ADD_TIME (preemption_next_check, tm, preemption_period);
+ preemption_next_check = add_emacs_time (tm, preemption_period);
if (detect_input_pending_ignore_squeezables ())
break;
}
}
}
- pause_p = (i < FRAME_LINES (f) - 1) ? i : 0;
+ lint_assume (0 <= FRAME_LINES (f));
+ pause_p = 0 < i && i < FRAME_LINES (f) - 1;
/* Now just clean up termcap drivers and set cursor, etc. */
if (!pause_p)
/* Do line insertions/deletions on frame F for frame-based redisplay. */
-static int
+static bool
scrolling (struct frame *frame)
{
int unchanged_at_top, unchanged_at_bottom;
int window_size;
int changed_lines;
- int *old_hash = (int *) alloca (FRAME_LINES (frame) * sizeof (int));
- int *new_hash = (int *) alloca (FRAME_LINES (frame) * sizeof (int));
- int *draw_cost = (int *) alloca (FRAME_LINES (frame) * sizeof (int));
- int *old_draw_cost = (int *) alloca (FRAME_LINES (frame) * sizeof (int));
+ int *old_hash = alloca (FRAME_LINES (frame) * sizeof (int));
+ int *new_hash = alloca (FRAME_LINES (frame) * sizeof (int));
+ int *draw_cost = alloca (FRAME_LINES (frame) * sizeof (int));
+ int *old_draw_cost = alloca (FRAME_LINES (frame) * sizeof (int));
register int i;
int free_at_end_vpos = FRAME_LINES (frame);
struct glyph_matrix *current_matrix = frame->current_matrix;
struct glyph_matrix *desired_matrix = frame->desired_matrix;
if (!current_matrix)
- abort ();
+ emacs_abort ();
/* Compute hash codes of all the lines. Also calculate number of
changed lines, number of unchanged lines at the beginning, and
struct glyph_matrix *desired_matrix = f->desired_matrix;
struct glyph_row *current_row = MATRIX_ROW (current_matrix, vpos);
struct glyph_row *desired_row = MATRIX_ROW (desired_matrix, vpos);
- int must_write_whole_line_p;
- int write_spaces_p = FRAME_MUST_WRITE_SPACES (f);
- int colored_spaces_p = (FACE_FROM_ID (f, DEFAULT_FACE_ID)->background
- != FACE_TTY_DEFAULT_BG_COLOR);
+ bool must_write_whole_line_p;
+ bool write_spaces_p = FRAME_MUST_WRITE_SPACES (f);
+ bool colored_spaces_p = (FACE_FROM_ID (f, DEFAULT_FACE_ID)->background
+ != FACE_TTY_DEFAULT_BG_COLOR);
if (colored_spaces_p)
write_spaces_p = 1;
/* start_display takes into account the header-line row, but IT's
vpos still counts from the glyph row that includes the window's
start position. Adjust for a possible header-line row. */
- it.vpos += WINDOW_WANTS_HEADER_LINE_P (w) ? 1 : 0;
+ it.vpos += WINDOW_WANTS_HEADER_LINE_P (w);
x0 = *x;
Lisp_Object
mode_line_string (struct window *w, enum window_part part,
- int *x, int *y, EMACS_INT *charpos, Lisp_Object *object,
+ int *x, int *y, ptrdiff_t *charpos, Lisp_Object *object,
int *dx, int *dy, int *width, int *height)
{
struct glyph_row *row;
Lisp_Object
marginal_area_string (struct window *w, enum window_part part,
- int *x, int *y, EMACS_INT *charpos, Lisp_Object *object,
+ int *x, int *y, ptrdiff_t *charpos, Lisp_Object *object,
int *dx, int *dy, int *width, int *height)
{
struct glyph_row *row = w->current_matrix->rows;
else if (part == ON_RIGHT_MARGIN)
area = RIGHT_MARGIN_AREA;
else
- abort ();
+ emacs_abort ();
for (i = 0; row->enabled_p && i < w->current_matrix->nrows; ++i, ++row)
if (wy >= row->y && wy < MATRIX_ROW_BOTTOM_Y (row))
#ifdef SIGWINCH
+static void deliver_window_change_signal (int);
+
static void
-window_change_signal (int signalnum) /* If we don't have an argument, */
- /* some compilers complain in signal calls. */
+handle_window_change_signal (int sig)
{
int width, height;
- int old_errno = errno;
-
struct tty_display_info *tty;
- signal (SIGWINCH, window_change_signal);
- SIGNAL_THREAD_CHECK (signalnum);
-
/* The frame size change obviously applies to a single
termcap-controlled terminal, but we can't decide which.
Therefore, we resize the frames corresponding to each tty.
change_frame_size (XFRAME (frame), height, width, 0, 1, 0);
}
}
+}
- errno = old_errno;
+static void
+deliver_window_change_signal (int sig)
+{
+ deliver_process_signal (sig, handle_window_change_signal);
}
#endif /* SIGWINCH */
-/* Do any change in frame size that was requested by a signal. SAFE
- non-zero means this function is called from a place where it is
- safe to change frame sizes while a redisplay is in progress. */
+/* Do any change in frame size that was requested by a signal.
+ SAFE means this function is called from a place where it is
+ safe to change frame sizes while a redisplay is in progress. */
void
-do_pending_window_change (int safe)
+do_pending_window_change (bool safe)
{
- /* If window_change_signal should have run before, run it now. */
+ /* If window change signal handler should have run before, run it now. */
if (redisplaying_p && !safe)
return;
/* Change the frame height and/or width. Values may be given as zero to
indicate no change is to take place.
- If DELAY is non-zero, then assume we're being called from a signal
- handler, and queue the change for later - perhaps the next
- redisplay. Since this tries to resize windows, we can't call it
+ If DELAY, assume we're being called from a signal handler, and
+ queue the change for later - perhaps the next redisplay.
+ Since this tries to resize windows, we can't call it
from a signal handler.
- SAFE non-zero means this function is called from a place where it's
+ SAFE means this function is called from a place where it's
safe to change frame sizes while a redisplay is in progress. */
void
-change_frame_size (register struct frame *f, int newheight, int newwidth, int pretend, int delay, int safe)
+change_frame_size (struct frame *f, int newheight, int newwidth,
+ bool pretend, bool delay, bool safe)
{
Lisp_Object tail, frame;
}
static void
-change_frame_size_1 (register struct frame *f, int newheight, int newwidth, int pretend, int delay, int safe)
+change_frame_size_1 (struct frame *f, int newheight, int newwidth,
+ bool pretend, bool delay, bool safe)
{
int new_frame_total_cols;
- int count = SPECPDL_INDEX ();
+ ptrdiff_t count = SPECPDL_INDEX ();
/* If we can't deal with the change now, queue it for later. */
if (delay || (redisplaying_p && !safe))
&& new_frame_total_cols == FRAME_TOTAL_COLS (f))
return;
- BLOCK_INPUT;
+ block_input ();
#ifdef MSDOS
/* We only can set screen dimensions to certain values supported
FrameCols (FRAME_TTY (f)) = newwidth;
if (WINDOWP (f->tool_bar_window))
- XSETFASTINT (XWINDOW (f->tool_bar_window)->total_cols, newwidth);
+ wset_total_cols (XWINDOW (f->tool_bar_window), make_number (newwidth));
}
FRAME_LINES (f) = newheight;
SET_FRAME_GARBAGED (f);
f->resized_p = 1;
- UNBLOCK_INPUT;
+ unblock_input ();
- record_unwind_protect (Fset_buffer, Fcurrent_buffer ());
+ record_unwind_current_buffer ();
run_window_configuration_change_hook (f);
if (tty->termscript != 0)
{
- BLOCK_INPUT;
+ block_input ();
fclose (tty->termscript);
- UNBLOCK_INPUT;
+ unblock_input ();
}
tty->termscript = 0;
/* ??? Perhaps we should do something special for multibyte strings here. */
CHECK_STRING (string);
- BLOCK_INPUT;
+ block_input ();
if (!t)
error ("Unknown terminal device");
}
fwrite (SDATA (string), 1, SBYTES (string), out);
fflush (out);
- UNBLOCK_INPUT;
+ unblock_input ();
return Qnil;
}
doc: /* Pause, without updating display, for SECONDS seconds.
SECONDS may be a floating-point value, meaning that you can wait for a
fraction of a second. Optional second arg MILLISECONDS specifies an
-additional wait period, in milliseconds; this may be useful if your
-Emacs was built without floating point support.
+additional wait period, in milliseconds; this is for backwards compatibility.
\(Not all operating systems support waiting for a fraction of a second.) */)
(Lisp_Object seconds, Lisp_Object milliseconds)
{
- int sec, usec;
+ double duration = extract_float (seconds);
- if (NILP (milliseconds))
- XSETINT (milliseconds, 0);
- else
- CHECK_NUMBER (milliseconds);
- usec = XINT (milliseconds) * 1000;
-
- {
- double duration = extract_float (seconds);
- sec = (int) duration;
- usec += (duration - sec) * 1000000;
- }
-
-#ifndef EMACS_HAS_USECS
- if (sec == 0 && usec != 0)
- error ("Millisecond `sleep-for' not supported on %s", SYSTEM_TYPE);
-#endif
-
- /* Assure that 0 <= usec < 1000000. */
- if (usec < 0)
+ if (!NILP (milliseconds))
{
- /* We can't rely on the rounding being correct if usec is negative. */
- if (-1000000 < usec)
- sec--, usec += 1000000;
- else
- sec -= -usec / 1000000, usec = 1000000 - (-usec % 1000000);
+ CHECK_NUMBER (milliseconds);
+ duration += XINT (milliseconds) / 1000.0;
}
- else
- sec += usec / 1000000, usec %= 1000000;
-
- if (sec < 0 || (sec == 0 && usec == 0))
- return Qnil;
- wait_reading_process_output (sec, usec, 0, 0, Qnil, NULL, 0);
+ if (0 < duration)
+ {
+ EMACS_TIME t = EMACS_TIME_FROM_DOUBLE (duration);
+ wait_reading_process_output (min (EMACS_SECS (t), WAIT_READING_MAX),
+ EMACS_NSECS (t), 0, 0, Qnil, NULL, 0);
+ }
return Qnil;
}
TIMEOUT is number of seconds to wait (float or integer),
or t to wait forever.
- READING is 1 if reading input.
+ READING is true if reading input.
If DO_DISPLAY is >0 display process output while waiting.
If DO_DISPLAY is >1 perform an initial redisplay before waiting.
*/
Lisp_Object
-sit_for (Lisp_Object timeout, int reading, int do_display)
+sit_for (Lisp_Object timeout, bool reading, int do_display)
{
- int sec, usec;
+ intmax_t sec;
+ int nsec;
swallow_events (do_display);
if (INTEGERP (timeout))
{
sec = XINT (timeout);
- usec = 0;
+ if (! (0 < sec))
+ return Qt;
+ nsec = 0;
}
else if (FLOATP (timeout))
{
double seconds = XFLOAT_DATA (timeout);
- sec = (int) seconds;
- usec = (int) ((seconds - sec) * 1000000);
+ if (! (0 < seconds))
+ return Qt;
+ else
+ {
+ EMACS_TIME t = EMACS_TIME_FROM_DOUBLE (seconds);
+ sec = min (EMACS_SECS (t), WAIT_READING_MAX);
+ nsec = EMACS_NSECS (t);
+ }
}
else if (EQ (timeout, Qt))
{
sec = 0;
- usec = 0;
+ nsec = 0;
}
else
wrong_type_argument (Qnumberp, timeout);
- if (sec == 0 && usec == 0 && !EQ (timeout, Qt))
- return Qt;
-#ifdef SIGIO
- gobble_input (0);
+#ifdef USABLE_SIGIO
+ gobble_input ();
#endif
- wait_reading_process_output (sec, usec, reading ? -1 : 1, do_display,
+ wait_reading_process_output (sec, nsec, reading ? -1 : 1, do_display,
Qnil, NULL, 0);
return detect_input_pending () ? Qnil : Qt;
immediately by pending input. */)
(Lisp_Object force)
{
- int count;
+ ptrdiff_t count;
swallow_events (1);
if ((detect_input_pending_run_timers (1)
(Lisp_Object variable)
{
Lisp_Object state, tail, frame, buf;
- Lisp_Object *vecp, *end;
- int n;
+ ptrdiff_t n, idx;
if (! NILP (variable))
{
else
state = frame_and_buffer_state;
- vecp = XVECTOR (state)->contents;
- end = vecp + ASIZE (state);
-
+ idx = 0;
FOR_EACH_FRAME (tail, frame)
{
- if (vecp == end)
+ if (idx == ASIZE (state))
goto changed;
- if (!EQ (*vecp++, frame))
+ if (!EQ (AREF (state, idx++), frame))
goto changed;
- if (vecp == end)
+ if (idx == ASIZE (state))
goto changed;
- if (!EQ (*vecp++, XFRAME (frame)->name))
+ if (!EQ (AREF (state, idx++), XFRAME (frame)->name))
goto changed;
}
/* Check that the buffer info matches. */
/* Ignore buffers that aren't included in buffer lists. */
if (SREF (BVAR (XBUFFER (buf), name), 0) == ' ')
continue;
- if (vecp == end)
+ if (idx == ASIZE (state))
goto changed;
- if (!EQ (*vecp++, buf))
+ if (!EQ (AREF (state, idx++), buf))
goto changed;
- if (vecp == end)
+ if (idx == ASIZE (state))
goto changed;
- if (!EQ (*vecp++, BVAR (XBUFFER (buf), read_only)))
+ if (!EQ (AREF (state, idx++), BVAR (XBUFFER (buf), read_only)))
goto changed;
- if (vecp == end)
+ if (idx == ASIZE (state))
goto changed;
- if (!EQ (*vecp++, Fbuffer_modified_p (buf)))
+ if (!EQ (AREF (state, idx++), Fbuffer_modified_p (buf)))
goto changed;
}
- if (vecp == end)
+ if (idx == ASIZE (state))
goto changed;
/* Detect deletion of a buffer at the end of the list. */
- if (EQ (*vecp, Qlambda))
+ if (EQ (AREF (state, idx), Qlambda))
return Qnil;
/* Come here if we decide the data has changed. */
}
/* Record the new data in the (possibly reallocated) vector. */
- vecp = XVECTOR (state)->contents;
+ idx = 0;
FOR_EACH_FRAME (tail, frame)
{
- *vecp++ = frame;
- *vecp++ = XFRAME (frame)->name;
+ ASET (state, idx, frame);
+ idx++;
+ ASET (state, idx, XFRAME (frame)->name);
+ idx++;
}
for (tail = Vbuffer_alist; CONSP (tail); tail = XCDR (tail))
{
/* Ignore buffers that aren't included in buffer lists. */
if (SREF (BVAR (XBUFFER (buf), name), 0) == ' ')
continue;
- *vecp++ = buf;
- *vecp++ = BVAR (XBUFFER (buf), read_only);
- *vecp++ = Fbuffer_modified_p (buf);
+ ASET (state, idx, buf);
+ idx++;
+ ASET (state, idx, BVAR (XBUFFER (buf), read_only));
+ idx++;
+ ASET (state, idx, Fbuffer_modified_p (buf));
+ idx++;
}
/* Fill up the vector with lambdas (always at least one). */
- *vecp++ = Qlambda;
- while (vecp - XVECTOR (state)->contents
- < ASIZE (state))
- *vecp++ = Qlambda;
+ ASET (state, idx, Qlambda);
+ idx++;
+ while (idx < ASIZE (state))
+ {
+ ASET (state, idx, Qlambda);
+ idx++;
+ }
/* Make sure we didn't overflow the vector. */
- if (vecp - XVECTOR (state)->contents
- > ASIZE (state))
- abort ();
+ eassert (idx <= ASIZE (state));
return Qt;
}
#ifndef CANNOT_DUMP
if (initialized)
#endif /* CANNOT_DUMP */
- signal (SIGWINCH, window_change_signal);
+ {
+ struct sigaction action;
+ emacs_sigaction_init (&action, deliver_window_change_signal);
+ sigaction (SIGWINCH, &action, 0);
+ }
#endif /* SIGWINCH */
/* If running as a daemon, no need to initialize any frames/terminal. */
#ifdef HAVE_X11
Vwindow_system_version = make_number (11);
#endif
-#if defined (GNU_LINUX) && defined (HAVE_LIBNCURSES)
+#ifdef GNU_LINUX
/* In some versions of ncurses,
tputs crashes if we have not called tgetent.
So call tgetent. */
/* Convert the initial frame to use the new display. */
if (f->output_method != output_initial)
- abort ();
+ emacs_abort ();
f->output_method = t->type;
f->terminal = t;
defsubr (&Sinternal_show_cursor_p);
defsubr (&Slast_nonminibuf_frame);
-#if GLYPH_DEBUG
+#ifdef GLYPH_DEBUG
defsubr (&Sdump_redisplay_history);
#endif
HCoop / bpt / emacs.git / blobdiff