Messing with clear screen

src/lib.rs

@@ -11,12 +11,13 @@ use color::Color;
 const VERSION: &str = "2.0.0";
 
 extern "C" {
-    fn nmseffect_set_clearscr(_: c_int) -> c_void;
+    fn nmstermio_set_clearscr(_: c_int);
     fn nmseffect_exec(
         input: *const c_char,
         len: c_int,
         autodecrypt_c: c_int,
         maskblank_c: c_int,
+        clear_scr: c_int,
     ) -> c_char;
     static mut foregroundColor: c_int;
 }
@@ -68,7 +69,7 @@ pub extern "C" fn rust_main() {
 
     if args.clear_screen {
         unsafe {
-            nmseffect_set_clearscr(1);
+            nmstermio_set_clearscr(2);
         }
     }
 
@@ -79,10 +80,10 @@ pub extern "C" fn rust_main() {
         process::exit(1);
     }
 
-    exec_effect(input, args.autodecrypt, args.mask_blanks);
+    exec_effect(input, args.autodecrypt, args.mask_blanks, args.clear_screen);
 }
 
-fn exec_effect(input: String, autodecrypt: bool, maskblank: bool) {
+fn exec_effect(input: String, autodecrypt: bool, maskblank: bool, clear_screen: bool) {
 
     let maskblank_c = if maskblank { 1 } else { 0 };
     let autodecrypt_c = if autodecrypt { 1 } else { 0};
@@ -90,7 +91,8 @@ fn exec_effect(input: String, autodecrypt: bool, maskblank: bool) {
     let output_cstring = CString::new(input).unwrap();
     let ptr = output_cstring.as_ptr();
     let len = output_cstring.as_bytes().len();
-    let _r = unsafe { nmseffect_exec(ptr, len as i32, autodecrypt_c, maskblank_c) };
+    let clear = if clear_screen { 1 } else { 0 };
+    let _r = unsafe { nmseffect_exec(ptr, len as i32, autodecrypt_c, maskblank_c, clear) };
 
 }
 

src/nmseffect.c

@@ -53,7 +53,7 @@ extern void nmseffect_sleep(int);
  * string that is provided as an argument. It returns the last character
  * pressed by the user.
  */
-char nmseffect_exec(unsigned char *string, int string_len, int autoDecrypt, int maskBlank) {
+char nmseffect_exec(unsigned char *string, int string_len, int autoDecrypt, int maskBlank, int clear_screen) {
 	struct charAttr *list_pointer = NULL;
 	struct charAttr *list_head    = NULL;
 	struct charAttr *list_temp    = NULL;
@@ -70,7 +70,7 @@ char nmseffect_exec(unsigned char *string, int string_len, int autoDecrypt, int
 	// Initialize terminal
 	nmstermio_init_terminal();
 	
-	if (!nmstermio_get_clearscr()) {
+	if (!clear_screen) {
 		// Get current row position
 		origRow = nmstermio_get_cursor_row();
 		
@@ -269,7 +269,7 @@ char nmseffect_exec(unsigned char *string, int string_len, int autoDecrypt, int
 
 	nmstermio_clear_input();
 	
-	if (nmstermio_get_clearscr()) {
+	if (clear_screen) {
 		nmstermio_get_char();
 	}
 	

src/nmseffect.h

@@ -9,7 +9,7 @@
 #define NMSEFFECT_H 1
 
 // Function prototypes
-char nmseffect_exec(unsigned char *, int string_len, int autoDecrypt, int maskblank);
+char nmseffect_exec(unsigned char *, int string_len, int autoDecrypt, int maskblank, int clear_screen);
 void nmseffect_set_returnopts(char *);
 void nmseffect_set_clearscr(int);
 void nmseffect_use_color(int);

src/nmstermio.c

@@ -206,14 +206,6 @@ void nmstermio_beep(void) {
 	BEEP();
 }
 
-/*
- * Return the status of the clearScr flag. This is used by the nmseffect
- * module to make certain decisions based on its value.
- */
-int nmstermio_get_clearscr(void) {
-	return clearScr;
-}
-
 /*
  * Sets the clearScr flag according to the true/false value of the 's' argument.
  */

src/nmstermio.h

@@ -22,7 +22,6 @@ char nmstermio_get_char(void);
 void nmstermio_print_reveal_string(char *, int);
 void nmstermio_show_cursor(void);
 void nmstermio_beep(void);
-int nmstermio_get_clearscr(void);
 void nmstermio_set_clearscr(int);
 int nmstermio_get_cursor_row(void);
 

src/nmstermio_ncurses.c

@@ -140,13 +140,6 @@ void nmstermio_beep(void) {
 	beep();
 }
 
-/*
- * Return the status of the clearScr flag. This is used by the nmseffect
- * module to make certain decisions based on its value.
- */
-int nmstermio_get_clearscr(void) {
-	return clearScr;
-}
 
 /*
  * Sets the clearScr flag according to the true/false value of the 's' argument.