Vendor import ncurses 6.1-20200118vendor/ncurses/6.1-20200118

1 files changed, 47 insertions, 111 deletions

diff --git a/test/edit_field.c b/test/edit_field.c
index 506d08ae0396..db917de175ef 100644
--- a/test/edit_field.c
+++ b/test/edit_field.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2003-2011,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 2003-2017,2019 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            *
@@ -26,7 +26,7 @@
  * authorization.                                                           *
  ****************************************************************************/
 /*
- * $Id: edit_field.c,v 1.22 2013/09/28 22:02:17 tom Exp $
+ * $Id: edit_field.c,v 1.30 2019/01/21 20:18:18 tom Exp $
  *
  * A wrapper for form_driver() which keeps track of the user's editing changes
  * for each field, and makes the resulting length available as a
@@ -40,6 +40,7 @@
 #if USE_LIBFORM
 
 #include <edit_field.h>
+#include <popup_msg.h>
 
 static struct {
     int code;
@@ -169,151 +170,71 @@ static struct {
     }
 };
 
-static WINDOW *old_window;
-
-static void
-begin_popup(void)
-{
-    doupdate();
-    old_window = dupwin(curscr);
-}
-
-static void
-end_popup(void)
-{
-    touchwin(old_window);
-    wnoutrefresh(old_window);
-    doupdate();
-    delwin(old_window);
-}
-
 /*
  * Display a temporary window listing the keystroke-commands we recognize.
  */
 void
 help_edit_field(void)
 {
-    int x0 = 4;
-    int y0 = 2;
-    int y1 = 0;
-    int y2 = 0;
-    int wide = COLS - ((x0 + 1) * 2);
-    int high = LINES - ((y0 + 1) * 2);
-    WINDOW *help = newwin(high, wide, y0, x0);
-    WINDOW *data = newpad(2 + SIZEOF(commands), wide - 4);
+    int used = 0;
     unsigned n;
-    int ch = ERR;
+    char **msgs = typeCalloc(char *, 3 + SIZEOF(commands));
 
-    begin_popup();
-
-    keypad(help, TRUE);
-    keypad(data, TRUE);
-    waddstr(data, "Defined form edit/traversal keys:\n");
+    msgs[used++] = strdup("Defined form edit/traversal keys:");
     for (n = 0; n < SIZEOF(commands); ++n) {
+	char *msg;
 	const char *name;
+	const char *code = keyname(commands[n].code);
+	size_t need = 5;
 #ifdef NCURSES_VERSION
 	if ((name = form_request_name(commands[n].result)) == 0)
 #endif
 	    name = commands[n].help;
-	wprintw(data, "%s -- %s\n",
-		keyname(commands[n].code),
-		name != 0 ? name : commands[n].help);
+	need = 5 + strlen(code) + strlen(name);
+	msg = typeMalloc(char, need);
+	_nc_SPRINTF(msg, _nc_SLIMIT(need) "%s -- %s", code, name);
+	msgs[used++] = msg;
     }
-    waddstr(data, "Arrow keys move within a field as you would expect.");
-    y2 = getcury(data);
-
-    do {
-	switch (ch) {
-	case KEY_HOME:
-	    y1 = 0;
-	    break;
-	case KEY_END:
-	    y1 = y2;
-	    break;
-	case KEY_PREVIOUS:
-	case KEY_PPAGE:
-	    if (y1 > 0) {
-		y1 -= high / 2;
-		if (y1 < 0)
-		    y1 = 0;
-	    } else {
-		beep();
-	    }
-	    break;
-	case KEY_NEXT:
-	case KEY_NPAGE:
-	    if (y1 < y2) {
-		y1 += high / 2;
-		if (y1 >= y2)
-		    y1 = y2;
-	    } else {
-		beep();
-	    }
-	    break;
-	case CTRL('P'):
-	case KEY_UP:
-	    if (y1 > 0)
-		--y1;
-	    else
-		beep();
-	    break;
-	case CTRL('N'):
-	case KEY_DOWN:
-	    if (y1 < y2)
-		++y1;
-	    else
-		beep();
-	    break;
-	default:
-	    beep();
-	    break;
-	case ERR:
-	    break;
-	}
-	werase(help);
-	box(help, 0, 0);
-	wnoutrefresh(help);
-	pnoutrefresh(data, y1, 0, y0 + 1, x0 + 1, high, wide);
-	doupdate();
-    } while ((ch = wgetch(data)) != ERR && ch != QUIT && ch != ESCAPE);
-    werase(help);
-    wrefresh(help);
-    delwin(help);
-    delwin(data);
-
-    end_popup();
+    msgs[used++] =
+	strdup("Arrow keys move within a field as you would expect.");
+    msgs[used] = 0;
+    popup_msg2(stdscr, msgs);
+    for (n = 0; msgs[n] != 0; ++n) {
+	free(msgs[n]);
+    }
+    free(msgs);
 }
 
 static int
-offset_in_field(FORM * form)
+offset_in_field(FORM *form)
 {
     FIELD *field = current_field(form);
     int currow, curcol;
 
     form_getyx(form, currow, curcol);
-    return curcol + currow * field->dcols;
+    return curcol + currow * (int) field->dcols;
 }
 
 static void
-inactive_field(FIELD * f)
+inactive_field(FIELD *f)
 {
     set_field_back(f, field_attrs(f)->background);
 }
 
 FieldAttrs *
-field_attrs(FIELD * f)
+field_attrs(FIELD *f)
 {
     return (FieldAttrs *) field_userptr(f);
 }
 
 static int
-buffer_length(FIELD * f)
+buffer_length(FIELD *f)
 {
     return field_attrs(f)->row_lengths[0];
 }
 
 static void
-set_buffer_length(FIELD * f, int length)
+set_buffer_length(FIELD *f, int length)
 {
     field_attrs(f)->row_lengths[0] = length;
 }
@@ -323,8 +244,9 @@ set_buffer_length(FIELD * f, int length)
  * keeping track of the actual lengths of lines in a multiline field.
  */
 void
-init_edit_field(FIELD * f, char *value)
+init_edit_field(FIELD *f, char *value)
 {
+    char empty[1];
     FieldAttrs *ptr = field_attrs(f);
     if (ptr == 0) {
 	int rows, cols, frow, fcol, nrow, nbuf;
@@ -336,6 +258,10 @@ init_edit_field(FIELD * f, char *value)
 	    ptr->row_lengths = typeCalloc(int, (size_t) nrow + 1);
 	}
     }
+    if (value == 0) {
+	value = empty;
+	*value = '\0';
+    }
     set_field_userptr(f, (void *) ptr);
     set_field_buffer(f, 0, value);	/* will be formatted */
     set_field_buffer(f, 1, value);	/* will be unformatted */
@@ -343,7 +269,7 @@ init_edit_field(FIELD * f, char *value)
 }
 
 int
-edit_field(FORM * form, int *result)
+edit_field(FORM *form, int *result)
 {
     int ch = wgetch(form_win(form));
     int status;
@@ -384,7 +310,7 @@ edit_field(FORM * form, int *result)
 	    length = before_off;
 	    break;
 	case REQ_CLR_EOL:
-	    if (before_row + 1 == before->rows)
+	    if ((int) (before_row + 1) == (int) (before->rows))
 		length = before_off;
 	    break;
 	case REQ_CLR_FIELD:
@@ -399,12 +325,12 @@ edit_field(FORM * form, int *result)
 		if (before_col > 0) {
 		    --length;
 		} else if (before_row > 0) {
-		    length -= before->cols + before_col;
+		    length -= (int) before->cols + before_col;
 		}
 	    }
 	    break;
 	case REQ_NEW_LINE:
-	    length += before->cols;
+	    length += (int) before->cols;
 	    break;
 #if 0
 	    /* FIXME: finish these */
@@ -489,6 +415,16 @@ edit_field(FORM * form, int *result)
 	inactive_field(before);
     return status;
 }
+
+void
+free_edit_field(FIELD *f)
+{
+    FieldAttrs *ptr = field_attrs(f);
+    if (ptr != 0) {
+	free(ptr->row_lengths);
+	free(ptr);
+    }
+}
 #else
 
 extern void no_edit_field(void);