tweaks: move some calls of edit_redraw() to where they are needed

Only when actually moving the cursor does the screen need to be redrawn,
not when the wrapped functions are called in other places.

src/move.c

@@ -170,12 +170,10 @@ void do_page_down(void)
 }
 
 #ifdef ENABLE_JUSTIFY
-/* Move to the beginning of the last beginning-of-paragraph line before the
+/* Move to the beginning of the first-found beginning-of-paragraph line
- * current line.  If update_screen is TRUE, update the screen afterwards. */
+ * before the current line. */
 void do_para_begin(bool update_screen)
 {
-	filestruct *was_current = openfile->current;
-
 	if (openfile->current != openfile->fileage)
 		openfile->current = openfile->current->prev;
 
@@ -183,21 +181,15 @@ void do_para_begin(bool update_screen)
 		openfile->current = openfile->current->prev;
 
 	openfile->current_x = 0;
-
-	if (update_screen)
-		edit_redraw(was_current, CENTERING);
 }
 
 /* Move down to the beginning of the last line of the current paragraph.
  * Then move down one line farther if there is such a line, or to the
- * end of the current line if not.  If update_screen is TRUE, update the
+ * end of the current line if not.  A line is the last line of a paragraph
- * screen afterwards.  A line is the last line of a paragraph if it is
+ * if it is in a paragraph, and the next line either is the beginning line
- * in a paragraph, and the next line either is the beginning line of a
+ * of a paragraph or isn't in a paragraph. */
- * paragraph or isn't in a paragraph. */
 void do_para_end(bool update_screen)
 {
-	filestruct *was_current = openfile->current;
-
 	while (openfile->current != openfile->filebot &&
 				!inpar(openfile->current))
 		openfile->current = openfile->current->next;
@@ -213,21 +205,26 @@ void do_para_end(bool update_screen)
 		openfile->current_x = 0;
 	} else
 		openfile->current_x = strlen(openfile->current->data);
-
-	if (update_screen)
-		edit_redraw(was_current, CENTERING);
 }
 
 /* Move up to first start of a paragraph before the current line. */
 void do_para_begin_void(void)
 {
+	filestruct *was_current = openfile->current;
+
 	do_para_begin(TRUE);
+
+	edit_redraw(was_current, CENTERING);
 }
 
 /* Move down to just after the first end of a paragraph. */
 void do_para_end_void(void)
 {
+	filestruct *was_current = openfile->current;
+
 	do_para_end(TRUE);
+
+	edit_redraw(was_current, CENTERING);
 }
 #endif /* ENABLE_JUSTIFY */
 
@@ -272,10 +269,9 @@ void do_next_block(void)
 }
 
 /* Move to the previous word.  If allow_punct is TRUE, treat punctuation
- * as part of a word.  When requested, update the screen afterwards. */
+ * as part of a word. */
 void do_prev_word(bool allow_punct, bool update_screen)
 {
-	filestruct *was_current = openfile->current;
 	bool seen_a_word = FALSE, step_forward = FALSE;
 
 	/* Move backward until we pass over the start of a word. */
@@ -309,18 +305,13 @@ void do_prev_word(bool allow_punct, bool update_screen)
 		/* Move one character forward again to sit on the start of the word. */
 		openfile->current_x = move_mbright(openfile->current->data,
 												openfile->current_x);
-
-	if (update_screen)
-		edit_redraw(was_current, FLOWING);
 }
 
 /* Move to the next word.  If after_ends is TRUE, stop at the ends of words
- * instead of their beginnings.  If allow_punct is TRUE, treat punctuation
+ * instead of their beginnings.  If allow_punct is TRUE, treat punctuation as
- * as part of a word.  When requested, update the screen afterwards.
+ * part of a word.  Return TRUE if we started on a word, and FALSE otherwise. */
- * Return TRUE if we started on a word, and FALSE otherwise. */
 bool do_next_word(bool after_ends, bool allow_punct, bool update_screen)
 {
-	filestruct *was_current = openfile->current;
 	bool started_on_word = is_word_mbchar(openfile->current->data +
 								openfile->current_x, allow_punct);
 	bool seen_space = !started_on_word;
@@ -366,10 +357,6 @@ bool do_next_word(bool after_ends, bool allow_punct, bool update_screen)
 		}
 	}
 
-	if (update_screen)
-		edit_redraw(was_current, FLOWING);
-
-	/* Return whether we started on a word. */
 	return started_on_word;
 }
 
@@ -377,7 +364,11 @@ bool do_next_word(bool after_ends, bool allow_punct, bool update_screen)
  * word if the WORD_BOUNDS flag is set, and update the screen afterwards. */
 void do_prev_word_void(void)
 {
+	filestruct *was_current = openfile->current;
+
 	do_prev_word(ISSET(WORD_BOUNDS), TRUE);
+
+	edit_redraw(was_current, FLOWING);
 }
 
 /* Move to the next word in the file.  If the AFTER_ENDS flag is set, stop
@@ -385,7 +376,11 @@ void do_prev_word_void(void)
  * punctuation as part of a word.  Update the screen afterwards. */
 void do_next_word_void(void)
 {
+	filestruct *was_current = openfile->current;
+
 	do_next_word(ISSET(AFTER_ENDS), ISSET(WORD_BOUNDS), TRUE);
+
+	edit_redraw(was_current, FLOWING);
 }
 
 /* Move to the beginning of the current line (or softwrapped chunk).