diff options
Diffstat (limited to 'src/scroll.c')
| -rw-r--r-- | src/scroll.c | 52 |
1 files changed, 30 insertions, 22 deletions
diff --git a/src/scroll.c b/src/scroll.c index e8981fcfb5f..9b04f47c16b 100644 --- a/src/scroll.c +++ b/src/scroll.c @@ -23,12 +23,13 @@ Boston, MA 02110-1301, USA. */ #include <config.h> #include <stdio.h> #include <string.h> -#include "termchar.h" #include "lisp.h" +#include "termchar.h" #include "dispextern.h" #include "keyboard.h" #include "frame.h" #include "window.h" +#include "termhooks.h" /* All costs measured in characters. So no cost can exceed the area of a frame, measured in characters. @@ -58,10 +59,12 @@ struct matrix_elt unsigned char writecount; }; -static void do_direct_scrolling P_ ((struct glyph_matrix *, +static void do_direct_scrolling P_ ((struct frame *, + struct glyph_matrix *, struct matrix_elt *, int, int)); -static void do_scrolling P_ ((struct glyph_matrix *, +static void do_scrolling P_ ((struct frame *, + struct glyph_matrix *, struct matrix_elt *, int, int)); @@ -101,7 +104,8 @@ calculate_scrolling (frame, matrix, window_size, lines_below, register struct matrix_elt *p, *p1; register int cost, cost1; - int lines_moved = window_size + (scroll_region_ok ? 0 : lines_below); + int lines_moved = window_size + + (FRAME_SCROLL_REGION_OK (frame) ? 0 : lines_below); /* first_insert_cost[I] is the cost of doing the first insert-line at the i'th line of the lines we are considering, where I is origin 1 (as it is below). */ @@ -241,7 +245,8 @@ calculate_scrolling (frame, matrix, window_size, lines_below, of lines. */ static void -do_scrolling (current_matrix, matrix, window_size, unchanged_at_top) +do_scrolling (frame, current_matrix, matrix, window_size, unchanged_at_top) + struct frame *frame; struct glyph_matrix *current_matrix; struct matrix_elt *matrix; int window_size; @@ -308,12 +313,12 @@ do_scrolling (current_matrix, matrix, window_size, unchanged_at_top) /* Set the terminal window, if not done already. */ if (! terminal_window_p) { - set_terminal_window (window_size + unchanged_at_top); + set_terminal_window (frame, window_size + unchanged_at_top); terminal_window_p = 1; } /* Delete lines on the terminal. */ - ins_del_lines (j + unchanged_at_top, - p->deletecount); + ins_del_lines (frame, j + unchanged_at_top, - p->deletecount); } else { @@ -338,7 +343,7 @@ do_scrolling (current_matrix, matrix, window_size, unchanged_at_top) /* Set the terminal window if not yet done. */ if (!terminal_window_p) { - set_terminal_window (window_size + unchanged_at_top); + set_terminal_window (frame, window_size + unchanged_at_top); terminal_window_p = 1; } @@ -347,7 +352,7 @@ do_scrolling (current_matrix, matrix, window_size, unchanged_at_top) --queue; /* Do the deletion on the terminal. */ - ins_del_lines (queue->pos, queue->count); + ins_del_lines (frame, queue->pos, queue->count); /* All lines in the range deleted become empty in the glyph matrix. Assign to them glyph rows that are not retained. @@ -380,7 +385,7 @@ do_scrolling (current_matrix, matrix, window_size, unchanged_at_top) CHECK_MATRIX (current_matrix); if (terminal_window_p) - set_terminal_window (0); + set_terminal_window (frame, 0); } @@ -467,7 +472,8 @@ calculate_direct_scrolling (frame, matrix, window_size, lines_below, /* Overhead of setting the scroll window, plus the extra cost cost of scrolling by a distance of one. The extra cost is added once for consistency with the cost vectors */ - scroll_overhead = scroll_region_cost + extra_cost; + scroll_overhead + = FRAME_SCROLL_REGION_COST (frame) + extra_cost; /* initialize the top left corner of the matrix */ matrix->writecost = 0; @@ -650,8 +656,9 @@ calculate_direct_scrolling (frame, matrix, window_size, lines_below, the cost matrix for this approach is constructed. */ static void -do_direct_scrolling (current_matrix, cost_matrix, window_size, - unchanged_at_top) +do_direct_scrolling (frame, current_matrix, cost_matrix, + window_size, unchanged_at_top) + struct frame *frame; struct glyph_matrix *current_matrix; struct matrix_elt *cost_matrix; int window_size; @@ -742,9 +749,9 @@ do_direct_scrolling (current_matrix, cost_matrix, window_size, if (i > j) { /* Immediately insert lines */ - set_terminal_window (i + unchanged_at_top); + set_terminal_window (frame, i + unchanged_at_top); terminal_window_p = 1; - ins_del_lines (j - n_to_write + unchanged_at_top, i - j); + ins_del_lines (frame, j - n_to_write + unchanged_at_top, i - j); } else if (i < j) { @@ -774,9 +781,9 @@ do_direct_scrolling (current_matrix, cost_matrix, window_size, --queue; if (queue->count) { - set_terminal_window (queue->window); + set_terminal_window (frame, queue->window); terminal_window_p = 1; - ins_del_lines (queue->pos, queue->count); + ins_del_lines (frame, queue->pos, queue->count); } else { @@ -799,7 +806,7 @@ do_direct_scrolling (current_matrix, cost_matrix, window_size, copy_from, retained_p); if (terminal_window_p) - set_terminal_window (0); + set_terminal_window (frame, 0); } @@ -819,13 +826,13 @@ scrolling_1 (frame, window_size, unchanged_at_top, unchanged_at_bottom, matrix = ((struct matrix_elt *) alloca ((window_size + 1) * (window_size + 1) * sizeof *matrix)); - if (scroll_region_ok) + if (FRAME_SCROLL_REGION_OK (frame)) { calculate_direct_scrolling (frame, matrix, window_size, unchanged_at_bottom, draw_cost, old_draw_cost, old_hash, new_hash, free_at_end); - do_direct_scrolling (frame->current_matrix, + do_direct_scrolling (frame, frame->current_matrix, matrix, window_size, unchanged_at_top); } else @@ -833,7 +840,8 @@ scrolling_1 (frame, window_size, unchanged_at_top, unchanged_at_bottom, calculate_scrolling (frame, matrix, window_size, unchanged_at_bottom, draw_cost, old_hash, new_hash, free_at_end); - do_scrolling (frame->current_matrix, matrix, window_size, + do_scrolling (frame, + frame->current_matrix, matrix, window_size, unchanged_at_top); } } @@ -915,7 +923,7 @@ scroll_cost (frame, from, to, amount) if (amount == 0) return 0; - if (! scroll_region_ok) + if (! FRAME_SCROLL_REGION_OK (frame)) limit = height; else if (amount > 0) limit += amount; |