/* Updating of data structures for redisplay.
-Copyright (C) 1985-1988, 1993-1995, 1997-2014 Free Software Foundation,
+Copyright (C) 1985-1988, 1993-1995, 1997-2015 Free Software Foundation,
Inc.
This file is part of GNU Emacs.
bool display_completed;
-Lisp_Object Qdisplay_table, Qredisplay_dont_pause;
-
/* True means SIGWINCH happened when not safe. */
static bool delayed_size_change;
for (i = 0; i < matrix->nrows; ++i)
matrix->rows[i].enabled_p = false;
}
+ /* We've disabled the mode-line row, so force redrawing of
+ the mode line, if any, since otherwise it will remain
+ disabled in the current matrix, and expose events won't
+ redraw it. */
+ if (WINDOW_WANTS_MODELINE_P (w))
+ w->update_mode_line = 1;
}
else if (matrix == w->desired_matrix)
{
ptrdiff_t old_nglyphs = pool->nglyphs;
pool->glyphs = xpalloc (pool->glyphs, &pool->nglyphs,
needed - old_nglyphs, -1, sizeof *pool->glyphs);
- memset (pool->glyphs + old_nglyphs, 0,
- (pool->nglyphs - old_nglyphs) * sizeof *pool->glyphs);
+ memclear (pool->glyphs + old_nglyphs,
+ (pool->nglyphs - old_nglyphs) * sizeof *pool->glyphs);
}
/* Remember the number of rows and columns because (a) we use them
{
cx = cy = vpos = hpos = 0;
- if (cursor_in_echo_area >= 0)
- {
- /* If the mini-buffer is several lines high, find the last
- line that has any text on it. Note: either all lines
- are enabled or none. Otherwise we wouldn't be able to
- determine Y. */
- struct glyph_row *row, *last_row;
- struct glyph *glyph;
- int yb = window_text_bottom_y (w);
-
- last_row = NULL;
- row = w->current_matrix->rows;
- while (row->enabled_p
- && (last_row == NULL
- || MATRIX_ROW_BOTTOM_Y (row) <= yb))
- {
- if (row->used[TEXT_AREA]
- && row->glyphs[TEXT_AREA][0].charpos >= 0)
- last_row = row;
- ++row;
- }
+ /* If the mini-buffer is several lines high, find the last
+ line that has any text on it. Note: either all lines
+ are enabled or none. Otherwise we wouldn't be able to
+ determine Y. */
+ struct glyph_row *last_row = NULL;
+ int yb = window_text_bottom_y (w);
- if (last_row)
- {
- struct glyph *start = last_row->glyphs[TEXT_AREA];
- struct glyph *last = start + last_row->used[TEXT_AREA] - 1;
+ for (struct glyph_row *row = w->current_matrix->rows;
+ row->enabled_p && (!last_row || MATRIX_ROW_BOTTOM_Y (row) <= yb);
+ row++)
+ if (row->used[TEXT_AREA] && row->glyphs[TEXT_AREA][0].charpos >= 0)
+ last_row = row;
- while (last > start && last->charpos < 0)
- --last;
+ if (last_row)
+ {
+ struct glyph *start = last_row->glyphs[TEXT_AREA];
+ struct glyph *last = start + last_row->used[TEXT_AREA] - 1;
- for (glyph = start; glyph < last; ++glyph)
- {
- cx += glyph->pixel_width;
- ++hpos;
- }
+ while (last > start && last->charpos < 0)
+ --last;
- cy = last_row->y;
- vpos = MATRIX_ROW_VPOS (last_row, w->current_matrix);
+ for (struct glyph *glyph = start; glyph < last; glyph++)
+ {
+ cx += glyph->pixel_width;
+ hpos++;
}
+
+ cy = last_row->y;
+ vpos = MATRIX_ROW_VPOS (last_row, w->current_matrix);
}
}
else
&& EQ (FRAME_MINIBUF_WINDOW (f), echo_area_window))
{
int top = WINDOW_TOP_EDGE_LINE (XWINDOW (FRAME_MINIBUF_WINDOW (f)));
- int row, col;
+ int col;
- if (cursor_in_echo_area < 0)
+ /* Put cursor at the end of the prompt. If the mini-buffer
+ is several lines high, find the last line that has
+ any text on it. */
+ int row = FRAME_TOTAL_LINES (f);
+ do
{
- /* Negative value of cursor_in_echo_area means put
- cursor at beginning of line. */
- row = top;
+ row--;
col = 0;
- }
- else
- {
- /* Positive value of cursor_in_echo_area means put
- cursor at the end of the prompt. If the mini-buffer
- is several lines high, find the last line that has
- any text on it. */
- row = FRAME_TOTAL_LINES (f);
- do
- {
- --row;
- col = 0;
- if (MATRIX_ROW_ENABLED_P (current_matrix, row))
- {
- /* Frame rows are filled up with spaces that
- must be ignored here. */
- struct glyph_row *r = MATRIX_ROW (current_matrix,
- row);
- struct glyph *start = r->glyphs[TEXT_AREA];
- struct glyph *last = start + r->used[TEXT_AREA];
-
- while (last > start
- && (last - 1)->charpos < 0)
- --last;
-
- col = last - start;
- }
+ if (MATRIX_ROW_ENABLED_P (current_matrix, row))
+ {
+ /* Frame rows are filled up with spaces that
+ must be ignored here. */
+ struct glyph_row *r = MATRIX_ROW (current_matrix, row);
+ struct glyph *start = r->glyphs[TEXT_AREA];
+
+ col = r->used[TEXT_AREA];
+ while (0 < col && start[col - 1].charpos < 0)
+ col--;
}
- while (row > top && col == 0);
+ }
+ while (row > top && col == 0);
- /* Make sure COL is not out of range. */
- if (col >= FRAME_CURSOR_X_LIMIT (f))
+ /* Make sure COL is not out of range. */
+ if (col >= FRAME_CURSOR_X_LIMIT (f))
+ {
+ /* If we have another row, advance cursor into it. */
+ if (row < FRAME_TOTAL_LINES (f) - 1)
{
- /* If we have another row, advance cursor into it. */
- if (row < FRAME_TOTAL_LINES (f) - 1)
- {
- col = FRAME_LEFT_SCROLL_BAR_COLS (f);
- row++;
- }
- /* Otherwise move it back in range. */
- else
- col = FRAME_CURSOR_X_LIMIT (f) - 1;
+ col = FRAME_LEFT_SCROLL_BAR_COLS (f);
+ row++;
}
+ /* Otherwise move it back in range. */
+ else
+ col = FRAME_CURSOR_X_LIMIT (f) - 1;
}
cursor_to (f, row, col);
Fset_buffer (old_current_buffer);
- *dx = x0 + it.first_visible_x - it.current_x;
+ *dx = to_x - it.current_x;
*dy = *y - it.current_y;
string = w->contents;
}
/* Add extra (default width) columns if clicked after EOL. */
- x1 = max (0, it.current_x + it.pixel_width - it.first_visible_x);
- if (x0 > x1)
- it.hpos += (x0 - x1) / WINDOW_FRAME_COLUMN_WIDTH (w);
+ x1 = max (0, it.current_x + it.pixel_width);
+ if (to_x > x1)
+ it.hpos += (to_x - x1) / WINDOW_FRAME_COLUMN_WIDTH (w);
*x = it.hpos;
*y = it.vpos;
/* Adjust frame size but make sure x_set_window_size does not
get called. */
- adjust_frame_size (f, new_width, new_height, 5, pretend, Qnil);
+ adjust_frame_size (f, new_width, new_height, 5, pretend,
+ Qchange_frame_size);
}
}
space_glyph.charpos = -1;
inverse_video = 0;
- cursor_in_echo_area = 0;
+ cursor_in_echo_area = false;
/* Now is the time to initialize this; it's used by init_sys_modes
during startup. */
}
#endif /* SIGWINCH */
- /* If running as a daemon, no need to initialize any frames/terminal. */
+ /* If running as a daemon, no need to initialize any frames/terminal,
+ except on Windows, where we at least want to initialize it. */
+#ifndef WINDOWSNT
if (IS_DAEMON)
return;
+#endif
/* If the user wants to use a window system, we shouldn't bother
initializing the terminal. This is especially important when the
frame_and_buffer_state = Fmake_vector (make_number (20), Qlambda);
staticpro (&frame_and_buffer_state);
+ /* This is the "purpose" slot of a display table. */
DEFSYM (Qdisplay_table, "display-table");
+
DEFSYM (Qredisplay_dont_pause, "redisplay-dont-pause");
DEFVAR_INT ("baud-rate", baud_rate,