#include "intervals.h"
#include "systty.h"
-#include "systime.h"
#ifdef HAVE_X_WINDOWS
#include "xterm.h"
#endif /* HAVE_X_WINDOWS */
+/* Include systime.h after xterm.h to avoid double inclusion of time.h. */
+#include "systime.h"
+
+#include <errno.h>
+
#define max(a, b) ((a) > (b) ? (a) : (b))
#define min(a, b) ((a) < (b) ? (a) : (b))
-#ifndef PENDING_OUTPUT_COUNT
/* Get number of chars of output now in the buffer of a stdio stream.
This ought to be built in in stdio, but it isn't.
Some s- files override this because their stdio internals differ. */
#ifdef __GNU_LIBRARY__
-#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->__bufp - (FILE)->__buffer)
+/* 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__ */
+#ifndef PENDING_OUTPUT_COUNT
#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_ptr - (FILE)->_base)
#endif
#endif
}
}
+/* Check the charstarts values in the area of window W
+ for internal consistency. We cannot check that they are "right";
+ we can only look for something nonsensical. */
+
verify_charstarts (w)
struct window *w;
{
int left = XFASTINT (w->left);
int right = left + window_internal_width (w);
int next_line;
+ int truncate = (XINT (w->hscroll)
+ || (truncate_partial_width_windows
+ && (XFASTINT (w->width) < FRAME_WIDTH (f)))
+ || !NILP (XBUFFER (w->buffer)->truncate_lines));
for (i = top; i < bottom; i++)
{
int j;
int last;
- int *charstart
- = FRAME_CURRENT_GLYPHS (XFRAME (WINDOW_FRAME (w)))->charstarts[i];
+ int *charstart = FRAME_CURRENT_GLYPHS (f)->charstarts[i];
if (i != top)
- if (charstart[left] != next_line)
- abort ();
+ {
+ if (truncate)
+ {
+ /* If we are truncating lines, allow a jump
+ in charstarts from one line to the next. */
+ if (charstart[left] < next_line)
+ abort ();
+ }
+ else
+ {
+ if (charstart[left] != next_line)
+ abort ();
+ }
+ }
for (j = left; j < right; j++)
if (charstart[j] > 0)
int face = compute_char_face (frame, w, point - 1, -1, -1, &dummy, point);
#endif
current_frame->glyphs[vpos][hpos] = MAKE_GLYPH (frame, g, face);
- current_frame->charstarts[vpos][hpos] = point;
+ current_frame->charstarts[vpos][hpos] = point - 1;
+ /* Record the entry for after the newly inserted character. */
+ current_frame->charstarts[vpos][hpos + 1] = point;
adjust_window_charstarts (w, vpos, 1);
}
unchanged_modified = MODIFF;
int force;
int inhibit_hairy_id;
{
- register struct frame_glyphs *current_frame = FRAME_CURRENT_GLYPHS (f);
- register struct frame_glyphs *desired_frame = FRAME_DESIRED_GLYPHS (f);
+ register struct frame_glyphs *current_frame;
+ register struct frame_glyphs *desired_frame = 0;
register int i;
int pause;
int preempt_count = baud_rate / 2400 + 1;
if (!line_ins_del_ok)
inhibit_hairy_id = 1;
+ /* These are separate to avoid a possible bug in the AIX C compiler. */
+ current_frame = FRAME_CURRENT_GLYPHS (f);
+ desired_frame = FRAME_DESIRED_GLYPHS (f);
+
/* See if any of the desired lines are enabled; don't compute for
i/d line if just want cursor motion. */
for (i = 0; i < FRAME_HEIGHT (f); i++)
outq = PENDING_OUTPUT_COUNT (stdout);
#endif
outq *= 10;
- if (baud_rate >= outq)
+ if (baud_rate <= outq && baud_rate > 0)
sleep (outq / baud_rate);
}
}
if (FRAME_HEIGHT (f) == 0) abort (); /* Some bug zeros some core */
display_completed = !pause;
- bzero (desired_frame->enable, FRAME_HEIGHT (f));
+ bzero (FRAME_DESIRED_GLYPHS (f)->enable, FRAME_HEIGHT (f));
return pause;
}
? minibuf_prompt_width : 0)
+ (hscroll ? 1 - hscroll : 0),
ZV, line, col,
- window_width, hscroll, 0);
+ window_width, hscroll, 0, window);
current_buffer = old_current_buffer;
= current_frame->used[vpos]
* FONT_WIDTH (frame->display.x->font);
current_frame->pix_height[vpos]
- = FONT_HEIGHT (frame->display.x->font);
+ = frame->display.x->line_height;
}
#endif /* HAVE_X_WINDOWS */
current_frame->charstarts[vpos] = temp1;
}
\f
+/* A vector of size >= NFRAMES + 3 * NBUFFERS + 1, containing the session's
+ frames, buffers, buffer-read-only flags, and buffer-modified-flags,
+ and a trailing sentinel (so we don't need to add length checks). */
+static Lisp_Object frame_and_buffer_state;
+
+DEFUN ("frame-or-buffer-changed-p", Fframe_or_buffer_changed_p,
+ Sframe_or_buffer_changed_p, 0, 0, 0,
+ "Return non-nil if the frame and buffer state appears to have changed.\n\
+The state variable is an internal vector containing all frames and buffers,\n\
+along with the buffers' read-only and modified flags, which allows a fast\n\
+check to see whether the menu bars might need to be recomputed.\n\
+If this function returns non-nil, it updates the internal vector to reflect\n\
+the current state.\n")
+ ()
+{
+ Lisp_Object tail, frame, buf;
+ Lisp_Object *vecp;
+ int n;
+ vecp = XVECTOR (frame_and_buffer_state)->contents;
+ FOR_EACH_FRAME (tail, frame)
+ if (!EQ (*vecp++, frame))
+ goto changed;
+ for (tail = Vbuffer_alist; CONSP (tail); tail = XCONS (tail)->cdr)
+ {
+ buf = XCONS (XCONS (tail)->car)->cdr;
+ if (!EQ (*vecp++, buf))
+ goto changed;
+ if (!EQ (*vecp++, XBUFFER (buf)->read_only))
+ goto changed;
+ if (!EQ (*vecp++, Fbuffer_modified_p (buf)))
+ goto changed;
+ }
+ return Qnil;
+ changed:
+ n = 1;
+ FOR_EACH_FRAME (tail, frame)
+ n++;
+ for (tail = Vbuffer_alist; CONSP (tail); tail = XCONS (tail)->cdr)
+ n += 3;
+ /* Reallocate the vector if it's grown, or if it's shrunk a lot. */
+ if (n > XVECTOR (frame_and_buffer_state)->size
+ || n < XVECTOR (frame_and_buffer_state)->size / 2)
+ frame_and_buffer_state = Fmake_vector (make_number (n), Qlambda);
+ vecp = XVECTOR (frame_and_buffer_state)->contents;
+ FOR_EACH_FRAME (tail, frame)
+ *vecp++ = frame;
+ for (tail = Vbuffer_alist; CONSP (tail); tail = XCONS (tail)->cdr)
+ {
+ buf = XCONS (XCONS (tail)->car)->cdr;
+ *vecp++ = buf;
+ *vecp++ = XBUFFER (buf)->read_only;
+ *vecp++ = Fbuffer_modified_p (buf);
+ }
+ /* If we left any slack in the vector, fill it up now. */
+ for (; n < XVECTOR (frame_and_buffer_state)->size; ++n)
+ *vecp++ = Qlambda;
+ return Qt;
+}
+\f
DEFUN ("open-termscript", Fopen_termscript, Sopen_termscript,
1, 1, "FOpen termscript file: ",
"Start writing all terminal output to FILE as well as the terminal.\n\
FRAME_HEIGHT (frame) = newheight;
FRAME_WIDTH (frame) = newwidth;
-
+
+ if (FRAME_CURSOR_X (frame) >= FRAME_WIDTH (frame))
+ FRAME_CURSOR_X (frame) = FRAME_WIDTH (frame) - 1;
+ if (FRAME_CURSOR_Y (frame) >= FRAME_HEIGHT (frame))
+ FRAME_CURSOR_Y (frame) = FRAME_HEIGHT (frame) - 1;
+
remake_frame_glyphs (frame);
calculate_costs (frame);
}
defsubr (&Sredraw_frame);
#endif
defsubr (&Sredraw_display);
+ defsubr (&Sframe_or_buffer_changed_p);
defsubr (&Sopen_termscript);
defsubr (&Sding);
defsubr (&Ssit_for);
defsubr (&Ssleep_for);
defsubr (&Ssend_string_to_terminal);
+ frame_and_buffer_state = Fmake_vector (make_number (1), Qlambda);
+ staticpro (&frame_and_buffer_state);
+
DEFVAR_INT ("baud-rate", &baud_rate,
"The output baud rate of the terminal.\n\
On most systems, changing this value will affect the amount of padding\n\
integer: a glyph code which this glyph is an alias for.\n\
string: output this glyph using that string (not impl. in X windows).\n\
nil: this glyph mod 256 is char code to output,\n\
- and this glyph / 256 is face code for X windows (see `x-set-face').");
+ and this glyph / 256 is face code for X windows (see `face-id').");
Vglyph_table = Qnil;
DEFVAR_LISP ("standard-display-table", &Vstandard_display_table,
HCoop / bpt / emacs.git / blobdiff