From f4de14c5762fe2beef8633a254c470a37376b4c2 Mon Sep 17 00:00:00 2001
From: Jonas Fonseca <fonseca@diku.dk>
Date: Wed, 2 Apr 2008 23:14:40 +0200
Subject: [PATCH] Add draw_lineno() and use when drawing the blame and pager
 view

---
 tig.c | 107 ++++++++++++++++++++++++++++++----------------------------
 1 file changed, 55 insertions(+), 52 deletions(-)

diff --git a/tig.c b/tig.c
index 413bd04..ee9d706 100644
--- a/tig.c
+++ b/tig.c
@@ -1482,6 +1482,43 @@ draw_text(struct view *view, const char *string, int max_len,
 	return len;
 }
 
+static int
+draw_lineno(struct view *view, unsigned int lineno, int max, bool selected)
+{
+	static char fmt[] = "%1ld";
+	char number[10] = "          ";
+	int max_number = MIN(view->digits, STRING_SIZE(number));
+	bool showtrimmed = FALSE;
+	int col;
+
+	lineno += view->offset + 1;
+	if (lineno == 1 || (lineno % opt_num_interval) == 0) {
+		if (view->digits <= 9)
+			fmt[1] = '0' + view->digits;
+
+		if (!string_format(number, fmt, lineno))
+			number[0] = 0;
+		showtrimmed = TRUE;
+	}
+
+	if (max < max_number)
+		max_number = max;
+
+	col = draw_text(view, number, max_number, showtrimmed, selected);
+	if (col < max) {
+		if (!selected)
+			wattrset(view->win, A_NORMAL);
+		waddch(view->win, ACS_VLINE);
+		col++;
+	}
+	if (col < max) {
+		waddch(view->win, ' ');
+		col++;
+	}
+
+	return col;
+}
+
 static bool
 draw_view_line(struct view *view, unsigned int lineno)
 {
@@ -2700,39 +2737,35 @@ view_driver(struct view *view, enum request request)
 static bool
 pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selected)
 {
+	static char spaces[] = "                    ";
 	char *text = line->data;
 	enum line_type type = line->type;
-	int attr;
+	int attr = A_NORMAL;
+	int col = 0;
 
 	wmove(view->win, lineno, 0);
 
 	if (selected) {
 		type = LINE_CURSOR;
 		wchgat(view->win, -1, 0, type, NULL);
+		attr = get_line_attr(type);
 	}
-
-	attr = get_line_attr(type);
 	wattrset(view->win, attr);
 
-	if (opt_line_number || opt_tab_size < TABSIZE) {
-		static char spaces[] = "                    ";
-		int col_offset = 0, col = 0;
-
-		if (opt_line_number) {
-			unsigned long real_lineno = view->offset + lineno + 1;
-
-			if (real_lineno == 1 ||
-			    (real_lineno % opt_num_interval) == 0) {
-				wprintw(view->win, "%.*d", view->digits, real_lineno);
+	if (opt_line_number) {
+		col += draw_lineno(view, lineno, view->width, selected);
+		if (col >= view->width)
+			return TRUE;
+	}
 
-			} else {
-				waddnstr(view->win, spaces,
-					 MIN(view->digits, STRING_SIZE(spaces)));
-			}
-			waddstr(view->win, ": ");
-			col_offset = view->digits + 2;
-		}
+	if (!selected) {
+		attr = get_line_attr(type);
+		wattrset(view->win, attr);
+	}
+	if (opt_tab_size < TABSIZE) {
+		int col_offset = col;
 
+		col = 0;
 		while (text && col_offset + col < view->width) {
 			int cols_max = view->width - col_offset - col;
 			char *pos = text;
@@ -2754,7 +2787,7 @@ pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selec
 		}
 
 	} else {
-		draw_text(view, text, view->width, TRUE, selected);
+		draw_text(view, text, view->width - col, TRUE, selected);
 	}
 
 	return TRUE;
@@ -3599,43 +3632,13 @@ blame_draw(struct view *view, struct line *line, unsigned int lineno, bool selec
 	}
 
 	{
-		unsigned long real_lineno = view->offset + lineno + 1;
-		char number[10] = "          ";
-		int max = MIN(view->digits, STRING_SIZE(number));
-		bool showtrimmed = FALSE;
-
-		if (real_lineno == 1 ||
-		    (real_lineno % opt_num_interval) == 0) {
-			char fmt[] = "%1ld";
-
-			if (view->digits <= 9)
-				fmt[1] = '0' + view->digits;
-
-			if (!string_format(number, fmt, real_lineno))
-				number[0] = 0;
-			showtrimmed = TRUE;
-		}
-
-		if (max > view->width - col)
-			max = view->width - col;
 		if (!selected)
 			wattrset(view->win, get_line_attr(LINE_BLAME_LINENO));
-		col += draw_text(view, number, max, showtrimmed, selected);
+		col += draw_lineno(view, lineno, view->width - col, selected);
 		if (col >= view->width)
 			return TRUE;
 	}
 
-	if (!selected)
-		wattrset(view->win, A_NORMAL);
-
-	if (col >= view->width)
-		return TRUE;
-	waddch(view->win, ACS_VLINE);
-	col++;
-	if (col >= view->width)
-		return TRUE;
-	waddch(view->win, ' ');
-	col++;
 	col += draw_text(view, blame->text, view->width - col, TRUE, selected);
 
 	return TRUE;
-- 
2.30.2