ncurses 6.2 - patch 20201017
[ncurses.git] / ncurses / tty / lib_mvcur.c
index 691ecc3e79f3de57e9073b4bf2964a77670678e0..c085ae140eac8ea4c9ac136b6e42ebaacdf1c80f 100644 (file)
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
+ * Copyright 2018-2019,2020 Thomas E. Dickey                                *
+ * Copyright 1998-2016,2017 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_mvcur.c,v 1.144 2017/07/22 23:59:07 tom Exp $")
+MODULE_ID("$Id: lib_mvcur.c,v 1.154 2020/10/03 20:25:48 tom Exp $")
 
 #define WANT_CHAR(sp, y, x) NewScreen(sp)->_line[y].text[x]    /* desired state */
 
@@ -278,8 +279,8 @@ reset_scroll_region(NCURSES_SP_DCL0)
 {
     if (change_scroll_region) {
        NCURSES_PUTP2("change_scroll_region",
-                     TPARM_2(change_scroll_region,
-                             0, screen_lines(SP_PARM) - 1));
+                     TIPARM_2(change_scroll_region,
+                              0, screen_lines(SP_PARM) - 1));
     }
 }
 
@@ -344,7 +345,9 @@ NCURSES_SP_NAME(_nc_mvcur_init) (NCURSES_SP_DCL0)
     SP_PARM->_home_cost = CostOf(cursor_home, 0);
     SP_PARM->_ll_cost = CostOf(cursor_to_ll, 0);
 #if USE_HARD_TABS
-    if (getenv("NCURSES_NO_HARD_TABS") == 0) {
+    if (getenv("NCURSES_NO_HARD_TABS") == 0
+       && dest_tabs_magic_smso == 0
+       && HasHardTabs()) {
        SP_PARM->_ht_cost = CostOf(tab, 0);
        SP_PARM->_cbt_cost = CostOf(back_tab, 0);
     } else {
@@ -396,13 +399,13 @@ NCURSES_SP_NAME(_nc_mvcur_init) (NCURSES_SP_DCL0)
      * All these averages depend on the assumption that all parameter values
      * are equally probable.
      */
-    SP_PARM->_cup_cost = CostOf(TPARM_2(SP_PARM->_address_cursor, 23, 23), 1);
-    SP_PARM->_cub_cost = CostOf(TPARM_1(parm_left_cursor, 23), 1);
-    SP_PARM->_cuf_cost = CostOf(TPARM_1(parm_right_cursor, 23), 1);
-    SP_PARM->_cud_cost = CostOf(TPARM_1(parm_down_cursor, 23), 1);
-    SP_PARM->_cuu_cost = CostOf(TPARM_1(parm_up_cursor, 23), 1);
-    SP_PARM->_hpa_cost = CostOf(TPARM_1(column_address, 23), 1);
-    SP_PARM->_vpa_cost = CostOf(TPARM_1(row_address, 23), 1);
+    SP_PARM->_cup_cost = CostOf(TIPARM_2(SP_PARM->_address_cursor, 23, 23), 1);
+    SP_PARM->_cub_cost = CostOf(TIPARM_1(parm_left_cursor, 23), 1);
+    SP_PARM->_cuf_cost = CostOf(TIPARM_1(parm_right_cursor, 23), 1);
+    SP_PARM->_cud_cost = CostOf(TIPARM_1(parm_down_cursor, 23), 1);
+    SP_PARM->_cuu_cost = CostOf(TIPARM_1(parm_up_cursor, 23), 1);
+    SP_PARM->_hpa_cost = CostOf(TIPARM_1(column_address, 23), 1);
+    SP_PARM->_vpa_cost = CostOf(TIPARM_1(row_address, 23), 1);
 
     /* non-parameterized screen-update strings */
     SP_PARM->_ed_cost = NormalizedCost(clr_eos, 1);
@@ -419,17 +422,16 @@ NCURSES_SP_NAME(_nc_mvcur_init) (NCURSES_SP_DCL0)
        SP_PARM->_el_cost = 0;
 
     /* parameterized screen-update strings */
-    SP_PARM->_dch_cost = NormalizedCost(TPARM_1(parm_dch, 23), 1);
-    SP_PARM->_ich_cost = NormalizedCost(TPARM_1(parm_ich, 23), 1);
-    SP_PARM->_ech_cost = NormalizedCost(TPARM_1(erase_chars, 23), 1);
-    SP_PARM->_rep_cost = NormalizedCost(TPARM_2(repeat_char, ' ', 23), 1);
-
-    SP_PARM->_cup_ch_cost = NormalizedCost(
-                                             TPARM_2(SP_PARM->_address_cursor,
-                                                     23, 23),
-                                             1);
-    SP_PARM->_hpa_ch_cost = NormalizedCost(TPARM_1(column_address, 23), 1);
-    SP_PARM->_cuf_ch_cost = NormalizedCost(TPARM_1(parm_right_cursor, 23), 1);
+    SP_PARM->_dch_cost = NormalizedCost(TIPARM_1(parm_dch, 23), 1);
+    SP_PARM->_ich_cost = NormalizedCost(TIPARM_1(parm_ich, 23), 1);
+    SP_PARM->_ech_cost = NormalizedCost(TIPARM_1(erase_chars, 23), 1);
+    SP_PARM->_rep_cost = NormalizedCost(TIPARM_2(repeat_char, ' ', 23), 1);
+
+    SP_PARM->_cup_ch_cost = NormalizedCost(TIPARM_2(SP_PARM->_address_cursor,
+                                                   23, 23),
+                                          1);
+    SP_PARM->_hpa_ch_cost = NormalizedCost(TIPARM_1(column_address, 23), 1);
+    SP_PARM->_cuf_ch_cost = NormalizedCost(TIPARM_1(parm_right_cursor, 23), 1);
     SP_PARM->_inline_cost = min(SP_PARM->_cup_ch_cost,
                                min(SP_PARM->_hpa_ch_cost,
                                    SP_PARM->_cuf_ch_cost));
@@ -560,7 +562,7 @@ relative_move(NCURSES_SP_DCLx
        vcost = INFINITY;
 
        if (row_address != 0
-           && _nc_safe_strcat(target, TPARM_1(row_address, to_y))) {
+           && _nc_safe_strcat(target, TIPARM_1(row_address, to_y))) {
            vcost = SP_PARM->_vpa_cost;
        }
 
@@ -570,12 +572,12 @@ relative_move(NCURSES_SP_DCLx
            if (parm_down_cursor
                && SP_PARM->_cud_cost < vcost
                && _nc_safe_strcat(_nc_str_copy(target, &save),
-                                  TPARM_1(parm_down_cursor, n))) {
+                                  TIPARM_1(parm_down_cursor, n))) {
                vcost = SP_PARM->_cud_cost;
            }
 
            if (cursor_down
-               && (*cursor_down != '\n' || SP_PARM->_nl)
+               && (*cursor_down != '\n')
                && (n * SP_PARM->_cud1_cost < vcost)) {
                vcost = repeated_append(_nc_str_copy(target, &save), 0,
                                        SP_PARM->_cud1_cost, n, cursor_down);
@@ -586,7 +588,7 @@ relative_move(NCURSES_SP_DCLx
            if (parm_up_cursor
                && SP_PARM->_cuu_cost < vcost
                && _nc_safe_strcat(_nc_str_copy(target, &save),
-                                  TPARM_1(parm_up_cursor, n))) {
+                                  TIPARM_1(parm_up_cursor, n))) {
                vcost = SP_PARM->_cuu_cost;
            }
 
@@ -610,7 +612,7 @@ relative_move(NCURSES_SP_DCLx
 
        if (column_address
            && _nc_safe_strcat(_nc_str_copy(target, &save),
-                              TPARM_1(column_address, to_x))) {
+                              TIPARM_1(column_address, to_x))) {
            hcost = SP_PARM->_hpa_cost;
        }
 
@@ -620,7 +622,7 @@ relative_move(NCURSES_SP_DCLx
            if (parm_right_cursor
                && SP_PARM->_cuf_cost < hcost
                && _nc_safe_strcat(_nc_str_copy(target, &save),
-                                  TPARM_1(parm_right_cursor, n))) {
+                                  TIPARM_1(parm_right_cursor, n))) {
                hcost = SP_PARM->_cuf_cost;
            }
 
@@ -713,7 +715,7 @@ relative_move(NCURSES_SP_DCLx
            if (parm_left_cursor
                && SP_PARM->_cub_cost < hcost
                && _nc_safe_strcat(_nc_str_copy(target, &save),
-                                  TPARM_1(parm_left_cursor, n))) {
+                                  TIPARM_1(parm_left_cursor, n))) {
                hcost = SP_PARM->_cub_cost;
            }
 
@@ -790,7 +792,8 @@ onscreen_mvcur(NCURSES_SP_DCLx
 #define InitResult _nc_str_init(&result, buffer, sizeof(buffer))
 
     /* tactic #0: use direct cursor addressing */
-    if (_nc_safe_strcpy(InitResult, TPARM_2(SP_PARM->_address_cursor, ynew, xnew))) {
+    if (_nc_safe_strcpy(InitResult, TIPARM_2(SP_PARM->_address_cursor,
+                                            ynew, xnew))) {
        tactic = 0;
        usecost = SP_PARM->_cup_cost;
 
@@ -935,6 +938,7 @@ onscreen_mvcur(NCURSES_SP_DCLx
 #endif /* MAIN */
 
     if (usecost != INFINITY) {
+       TR(TRACE_MOVE, ("mvcur tactic %d", tactic));
        TPUTS_TRACE("mvcur");
        NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
                                buffer, 1, myOutCh);
@@ -988,42 +992,33 @@ _nc_real_mvcur(NCURSES_SP_DCLx
            TR(TRACE_CHARPUT, ("turning off (%#lx) %s before move",
                               (unsigned long) AttrOf(oldattr),
                               _traceattr(AttrOf(oldattr))));
-           (void) VIDATTR(SP_PARM, A_NORMAL, 0);
+           VIDPUTS(SP_PARM, A_NORMAL, 0);
        }
 
        if (xold >= screen_columns(SP_PARM)) {
 
-           if (SP_PARM->_nl) {
-               int l = (xold + 1) / screen_columns(SP_PARM);
+           int l = (xold + 1) / screen_columns(SP_PARM);
 
-               yold += l;
-               if (yold >= screen_lines(SP_PARM))
-                   l -= (yold - screen_lines(SP_PARM) - 1);
+           yold += l;
+           if (yold >= screen_lines(SP_PARM))
+               l -= (yold - screen_lines(SP_PARM) - 1);
 
-               if (l > 0) {
-                   if (carriage_return) {
-                       NCURSES_PUTP2("carriage_return", carriage_return);
-                   } else {
-                       myOutCh(NCURSES_SP_ARGx '\r');
-                   }
-                   xold = 0;
+           if (l > 0) {
+               if (carriage_return) {
+                   NCURSES_PUTP2("carriage_return", carriage_return);
+               } else {
+                   myOutCh(NCURSES_SP_ARGx '\r');
+               }
+               xold = 0;
 
-                   while (l > 0) {
-                       if (newline) {
-                           NCURSES_PUTP2("newline", newline);
-                       } else {
-                           myOutCh(NCURSES_SP_ARGx '\n');
-                       }
-                       l--;
+               while (l > 0) {
+                   if (newline) {
+                       NCURSES_PUTP2("newline", newline);
+                   } else {
+                       myOutCh(NCURSES_SP_ARGx '\n');
                    }
+                   l--;
                }
-           } else {
-               /*
-                * If caller set nonl(), we cannot really use newlines to
-                * position to the next row.
-                */
-               xold = -1;
-               yold = -1;
            }
        }
 
@@ -1042,7 +1037,7 @@ _nc_real_mvcur(NCURSES_SP_DCLx
            TR(TRACE_CHARPUT, ("turning on (%#lx) %s after move",
                               (unsigned long) AttrOf(oldattr),
                               _traceattr(AttrOf(oldattr))));
-           (void) VIDATTR(SP_PARM, AttrOf(oldattr), GetPair(oldattr));
+           VIDPUTS(SP_PARM, AttrOf(oldattr), GetPair(oldattr));
        }
     }
     returnCode(code);
@@ -1216,24 +1211,21 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
        if (fgets(buf, sizeof(buf), stdin) == 0)
            break;
 
+#define PUTS(s)   (void) puts(s)
+#define PUTF(s,t) (void) printf(s,t)
        if (buf[0] == '?') {
-           (void) puts("?                -- display this help message");
-           (void)
-               puts("fy fx ty tx      -- (4 numbers) display (fy,fx)->(ty,tx) move");
-           (void) puts("s[croll] n t b m -- display scrolling sequence");
-           (void)
-               printf("r[eload]         -- reload terminal info for %s\n",
-                      termname());
-           (void)
-               puts("l[oad] <term>    -- load terminal info for type <term>");
-           (void) puts("d[elete] <cap>   -- delete named capability");
-           (void) puts("i[nspect]        -- display terminal capabilities");
-           (void)
-               puts("c[ost]           -- dump cursor-optimization cost table");
-           (void) puts("o[optimize]      -- toggle movement optimization");
-           (void)
-               puts("t[orture] <num>  -- torture-test with <num> random moves");
-           (void) puts("q[uit]           -- quit the program");
+           PUTS("?                -- display this help message");
+           PUTS("fy fx ty tx      -- (4 numbers) display (fy,fx)->(ty,tx) move");
+           PUTS("s[croll] n t b m -- display scrolling sequence");
+           PUTF("r[eload]         -- reload terminal info for %s\n",
+                termname());
+           PUTS("l[oad] <term>    -- load terminal info for type <term>");
+           PUTS("d[elete] <cap>   -- delete named capability");
+           PUTS("i[nspect]        -- display terminal capabilities");
+           PUTS("c[ost]           -- dump cursor-optimization cost table");
+           PUTS("o[optimize]      -- toggle movement optimization");
+           PUTS("t[orture] <num>  -- torture-test with <num> random moves");
+           PUTS("q[uit]           -- quit the program");
        } else if (sscanf(buf, "%d %d %d %d", &fy, &fx, &ty, &tx) == 4) {
            struct timeval before, after;