Fix drawing "outside" the screen in the status and pager views

It was causing text to wrap to next line, but with the new function to
draw text with limited width this has become much easier.

tig.c

@@ -2637,7 +2637,6 @@ pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selec
 {
 	char *text = line->data;
 	enum line_type type = line->type;
-	int textlen = strlen(text);
 	int attr;
 
 	wmove(view->win, lineno, 0);
@@ -2690,13 +2689,9 @@ pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selec
 		}
 
 	} else {
-		int col = 0, pos = 0;
+		int tilde_attr = get_line_attr(LINE_MAIN_DELIM);
 
-		for (; pos < textlen && col < view->width; pos++, col++)
-			if (text[pos] == '\t')
-				col += TABSIZE - (col % TABSIZE) - 1;
-
-		waddnstr(view->win, text, pos);
+		draw_text(view, text, view->width, 0, TRUE, tilde_attr);
 	}
 
 	return TRUE;
@@ -3434,12 +3429,14 @@ static bool
 status_draw(struct view *view, struct line *line, unsigned int lineno, bool selected)
 {
 	struct status *status = line->data;
+	int tilde_attr = get_line_attr(LINE_MAIN_DELIM);
 
 	wmove(view->win, lineno, 0);
 
 	if (selected) {
 		wattrset(view->win, get_line_attr(LINE_CURSOR));
 		wchgat(view->win, -1, 0, LINE_CURSOR, NULL);
+		tilde_attr = -1;
 
 	} else if (!status && line->type != LINE_STAT_NONE) {
 		wattrset(view->win, get_line_attr(LINE_STAT_SECTION));
@@ -3473,16 +3470,18 @@ status_draw(struct view *view, struct line *line, unsigned int lineno, bool sele
 			return FALSE;
 		}
 
-		waddstr(view->win, text);
+		draw_text(view, text, view->width, 0, TRUE, tilde_attr);
 		return TRUE;
 	}
 
 	waddch(view->win, status->status);
 	if (!selected)
 		wattrset(view->win, A_NORMAL);
 	wmove(view->win, lineno, 4);
-	waddstr(view->win, status->new.name);
+	if (view->width < 5)
+		return TRUE;
 
+	draw_text(view, status->new.name, view->width - 5, 5, TRUE, tilde_attr);
 	return TRUE;
 }
 
@@ -4216,20 +4215,23 @@ main_draw(struct view *view, struct line *line, unsigned int lineno, bool select
 	}
 
 	if (opt_rev_graph && commit->graph_size) {
+		size_t graph_size = view->width - col;
 		size_t i;
 
 		if (type != LINE_CURSOR)
 			wattrset(view->win, get_line_attr(LINE_MAIN_REVGRAPH));
 		wmove(view->win, lineno, col);
+		if (graph_size > commit->graph_size)
+			graph_size = commit->graph_size;
 		/* Using waddch() instead of waddnstr() ensures that
 		 * they'll be rendered correctly for the cursor line. */
-		for (i = 0; i < commit->graph_size; i++)
+		for (i = 0; i < graph_size; i++)
 			waddch(view->win, commit->graph[i]);
 
-		waddch(view->win, ' ');
 		col += commit->graph_size + 1;
 		if (col >= view->width)
 			return TRUE;
+		waddch(view->win, ' ');
 	}
 	if (type != LINE_CURSOR)
 		wattrset(view->win, A_NORMAL);
@@ -4487,6 +4489,9 @@ unicode_width(unsigned long c)
 	    || (c >= 0x30000 && c <= 0x3fffd)))
 		return 2;
 
+	if (c == '\t')
+		return opt_tab_size;
+
 	return 1;
 }