From 18d72e69289fa3dbdb0766ea7f9c0ff8908626b9 Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicholas.marriott@gmail.com>
Date: Thu, 22 Nov 2007 18:09:43 +0000
Subject: Partial copy mode. Currently does the same as scroll mode but using a
 cursor. Also fix bug where resizing would leave crap lying around.

---
 screen.c | 38 ++++++++++++++++++++++++++++++--------
 1 file changed, 30 insertions(+), 8 deletions(-)

(limited to 'screen.c')

diff --git a/screen.c b/screen.c
index 6df0abc1..2e1f4a86 100644
--- a/screen.c
+++ b/screen.c
@@ -1,4 +1,4 @@
-/* $Id: screen.c,v 1.36 2007-11-22 09:11:20 nicm Exp $ */
+/* $Id: screen.c,v 1.37 2007-11-22 18:09:43 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -110,7 +110,7 @@ screen_create(struct screen *s, u_int dx, u_int dy)
 void
 screen_resize(struct screen *s, u_int sx, u_int sy)
 {
-	u_int	ox, oy, ny, my;
+	u_int	i, ox, oy, ny, my;
 
 	if (sx < 1)
 		sx = 1;
@@ -126,6 +126,14 @@ screen_resize(struct screen *s, u_int sx, u_int sy)
 	 * X dimension.
 	 */
 	if (sx != ox) {
+		/* If getting smaller, nuke any data in lines over the new size. */
+		if (sx < ox) {
+			for (i = s->hsize; i < s->hsize + oy; i++) {
+				if (s->grid_size[i] > sx)
+					screen_reduce_line(s, i, sx);
+			}
+		}
+
 		if (s->cx >= sx)
 			s->cx = sx - 1;
 		s->dx = sx;
@@ -201,6 +209,17 @@ screen_expand_line(struct screen *s, u_int py, u_int nx)
 	memset(&s->grid_colr[py][ox], SCREEN_DEFCOLR, nx - ox);
 }
 
+/* Reduce line. */
+void
+screen_reduce_line(struct screen *s, u_int py, u_int nx)
+{
+	s->grid_size[py] = nx;
+
+	s->grid_data[py] = xrealloc(s->grid_data[py], 1, nx);
+	s->grid_attr[py] = xrealloc(s->grid_attr[py], 1, nx);
+	s->grid_colr[py] = xrealloc(s->grid_colr[py], 1, nx);
+}
+
 /* Get cell. */
 void
 screen_get_cell(struct screen *s,
@@ -263,9 +282,7 @@ screen_draw_start(struct screen_draw_ctx *ctx,
 	ctx->colr = s->colr;
 
 	input_store_two(b, CODE_SCROLLREGION, 1, screen_size_y(s));
-
-	if (s->mode & MODE_CURSOR)
-		input_store_zero(b, CODE_CURSOROFF);
+	input_store_zero(b, CODE_CURSOROFF);
 }
 
 /* Get cell data during drawing. */
@@ -296,9 +313,14 @@ screen_draw_stop(struct screen_draw_ctx *ctx)
 
 	if (ctx->attr != s->attr || ctx->colr != s->colr)
 		input_store_two(b, CODE_ATTRIBUTES, s->attr, s->colr);
-	
-	if (!(s->mode & MODE_NOCURSOR) && s->mode & MODE_CURSOR)
-		input_store_zero(b, CODE_CURSORON);
+
+	if (s->mode & MODE_BACKGROUND) {
+		if (s->mode & MODE_BGCURSOR)
+			input_store_zero(b, CODE_CURSORON);
+	} else {
+		if (s->mode & MODE_CURSOR)
+			input_store_zero(b, CODE_CURSORON);
+	}
 }
 
 /* Move cursor. */
-- 
cgit