tweaks: rename a symbol, away from an obscure abbreviation

Also, reshuffle its definition, and change its value to match
other special codes.

src/browser.c

@@ -498,11 +498,11 @@ char *browse(char *path)
 #ifndef NANO_TINY
 			/* Simulate a terminal resize to force a directory reread,
 			 * or because the terminal dimensions might have changed. */
-			kbinput = KEY_WINCH;
+			kbinput = THE_WINDOW_RESIZED;
 		} else if (function == do_toggle && get_shortcut(kbinput)->toggle == NO_HELP) {
 			TOGGLE(NO_HELP);
 			window_init();
-			kbinput = KEY_WINCH;
+			kbinput = THE_WINDOW_RESIZED;
 #endif
 		} else if (function == do_search_backward) {
 			search_filename(BACKWARD);
@@ -642,7 +642,7 @@ char *browse(char *path)
 			implant(first_sc_for(MBROWSER, function)->expansion);
 #endif
 #ifndef NANO_TINY
-		} else if (kbinput == KEY_WINCH) {
+		} else if (kbinput == THE_WINDOW_RESIZED) {
 			;  /* Gets handled below. */
 #endif
 		} else if (function == do_exit) {
@@ -652,7 +652,7 @@ char *browse(char *path)
 
 #ifndef NANO_TINY
 		/* If the terminal resized (or might have), refresh the file list. */
-		if (kbinput == KEY_WINCH) {
+		if (kbinput == THE_WINDOW_RESIZED) {
 			/* Remember the selected file, to be able to reselect it. */
 			present_name = copy_of(filelist[selected]);
 			goto read_directory_contents;

src/definitions.h

@@ -227,9 +227,14 @@
 #define PLANTED_A_COMMAND 0x4EC
 #define NO_SUCH_FUNCTION  0x4EF
 
+#ifndef NANO_TINY
 /* A special keycode for Ctrl + the central key on the numeric keypad. */
 #define KEY_CENTER  0x4F0
 
+/* A special keycode for when we get a SIGWINCH (a window resize). */
+#define THE_WINDOW_RESIZED  0x4F7
+#endif
+
 /* A special keycode to signal the beginning and end of a bracketed paste. */
 #define BRACKETED_PASTE_MARKER  0x4FB
 
@@ -240,9 +245,6 @@
 #define KEY_FRESH  0x4FE
 
 #ifndef NANO_TINY
-/* A special keycode for when we get a SIGWINCH (a window resize). */
-#define KEY_WINCH  -2
-
 /* Some extra flags for the undo function. */
 #define WAS_BACKSPACE_AT_EOF  (1<<1)
 #define WAS_WHOLE_LINE        (1<<2)

src/help.c

@@ -513,7 +513,7 @@ void show_help(void)
 			get_mouseinput(&dummy_row, &dummy_col, TRUE);
 #endif
 #ifndef NANO_TINY
-		} else if (kbinput == KEY_WINCH) {
+		} else if (kbinput == THE_WINDOW_RESIZED) {
 			;  /* Nothing to do. */
 #endif
 		} else if (function == do_exit) {

src/nano.c

@@ -1592,7 +1592,7 @@ void process_a_keystroke(void)
 	lastmessage = VACUUM;
 
 #ifndef NANO_TINY
-	if (input == KEY_WINCH)
+	if (input == THE_WINDOW_RESIZED)
 		return;
 #endif
 #ifdef ENABLE_MOUSE

src/prompt.c

@@ -442,9 +442,9 @@ functionptrtype acquire_an_answer(int *actual, bool *listed,
 
 #ifndef NANO_TINY
 		/* If the window size changed, go reformat the prompt string. */
-		if (input == KEY_WINCH) {
+		if (input == THE_WINDOW_RESIZED) {
 			refresh_func();  /* Only needed when in file browser. */
-			*actual = KEY_WINCH;
+			*actual = THE_WINDOW_RESIZED;
 #ifdef ENABLE_HISTORIES
 			free(stored_string);
 #endif
@@ -598,7 +598,7 @@ int do_prompt(int menu, const char *provided, linestruct **history_list,
 	free(prompt);
 
 #ifndef NANO_TINY
-	if (retval == KEY_WINCH)
+	if (retval == THE_WINDOW_RESIZED)
 		goto redo_theprompt;
 #endif
 
@@ -697,7 +697,7 @@ int ask_user(bool withall, const char *question)
 		kbinput = get_kbinput(footwin, !withall);
 
 #ifndef NANO_TINY
-		if (kbinput == KEY_WINCH)
+		if (kbinput == THE_WINDOW_RESIZED)
 			continue;
 
 		/* Accept first character of an external paste and ignore the rest. */

src/text.c

@@ -2877,7 +2877,7 @@ void do_linter(void)
 		kbinput = get_kbinput(footwin, VISIBLE);
 
 #ifndef NANO_TINY
-		if (kbinput == KEY_WINCH)
+		if (kbinput == THE_WINDOW_RESIZED)
 			continue;
 #endif
 		function = func_from_key(kbinput);

src/winio.c

@@ -218,7 +218,7 @@ void read_keys_from(WINDOW *frame)
 #ifndef NANO_TINY
 		if (the_window_resized) {
 			regenerate_screen();
-			input = KEY_WINCH;
+			input = THE_WINDOW_RESIZED;
 		}
 
 		if (timed) {
@@ -272,7 +272,7 @@ void read_keys_from(WINDOW *frame)
 	}
 
 	/* If we got a SIGWINCH, get out as the frame argument is no longer valid. */
-	if (input == KEY_WINCH)
+	if (input == THE_WINDOW_RESIZED)
 		return;
 
 	/* Remember where the recording of this keystroke (or burst of them) started. */
@@ -1445,7 +1445,7 @@ int *parse_verbatim_kbinput(WINDOW *frame, size_t *count)
 
 #ifndef NANO_TINY
 	/* When the window was resized, abort and return nothing. */
-	if (keycode == KEY_WINCH) {
+	if (keycode == THE_WINDOW_RESIZED) {
 		*count = 999;
 		return NULL;
 	}
@@ -1469,7 +1469,7 @@ int *parse_verbatim_kbinput(WINDOW *frame, size_t *count)
 		}
 
 #ifndef NANO_TINY
-		if (keycode == KEY_WINCH) {
+		if (keycode == THE_WINDOW_RESIZED) {
 			*count = 999;
 			free(yield);
 			return NULL;