From: Jeffrey Middleton <jefromi@gmail.com>
Date: Thu, 5 Mar 2009 22:50:41 +0000 (-0600)
Subject: list_window: Extended scrolling commands to text screens
X-Git-Tag: release-0.14~78
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=607bf2d55826f861d12b774884cb201bc683051c;p=ncmpc.git

list_window: Extended scrolling commands to text screens

Added scroll up/down one-line/half-screen to list_window_scroll_cmd,
which is used in text screens.
---

diff --git a/src/list_window.c b/src/list_window.c
index 347cfb2..8abad27 100644
--- a/src/list_window.c
+++ b/src/list_window.c
@@ -507,11 +507,13 @@ bool
 list_window_scroll_cmd(struct list_window *lw, unsigned rows, command_t cmd)
 {
 	switch (cmd) {
+	case CMD_LIST_SCROLL_UP_LINE:
 	case CMD_LIST_PREVIOUS:
 		if (lw->start > 0)
 			lw->start--;
 		break;
 
+	case CMD_LIST_SCROLL_DOWN_LINE:
 	case CMD_LIST_NEXT:
 		if (lw->start + lw->rows < rows)
 			lw->start++;
@@ -545,6 +547,23 @@ list_window_scroll_cmd(struct list_window *lw, unsigned rows, command_t cmd)
 			lw->start = 0;
 		break;
 
+	case CMD_LIST_SCROLL_UP_HALF:
+		if (lw->start > (lw->rows - 1) / 2)
+			lw->start -= (lw->rows - 1) / 2;
+		else
+			lw->start = 0;
+		break;
+
+	case CMD_LIST_SCROLL_DOWN_HALF:
+		lw->start += (lw->rows - 1) / 2;
+		if (lw->start + lw->rows > rows) {
+			if (rows > lw->rows)
+				lw->start = rows - lw->rows;
+			else
+				lw->start = 0;
+		}
+		break;
+
 	default:
 		return false;
 	}