From 6e696ba98c49715be8da2609f8a64be8a023547f Mon Sep 17 00:00:00 2001
From: Daniel Lublin <daniel@lublin.se>
Date: Mon, 4 Jun 2018 22:18:57 +0200
Subject: Add mark range function

Sets the marked state of all images ranging from the latest marked/unmarked
image to the current image, to the state of that latest toggled image.
---
 commands.c | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

(limited to 'commands.c')

diff --git a/commands.c b/commands.c
index 360b771..33ae5a3 100644
--- a/commands.c
+++ b/commands.c
@@ -46,6 +46,7 @@ extern fileinfo_t *files;
 extern int filecnt, fileidx;
 extern int alternate;
 extern int markcnt;
+extern int toggledidx;
 
 extern int prefix;
 extern bool extprefix;
@@ -196,6 +197,7 @@ bool cg_toggle_image_mark(arg_t _)
 	markcnt += files[fileidx].flags & FF_MARK ? 1 : -1;
 	if (mode == MODE_THUMB)
 		tns_mark(&tns, fileidx, !!(files[fileidx].flags & FF_MARK));
+	toggledidx = fileidx;
 	return true;
 }
 
@@ -212,6 +214,39 @@ bool cg_reverse_marks(arg_t _)
 	return true;
 }
 
+bool cg_mark_range(arg_t _)
+{
+	int i, from, to;
+
+	if (toggledidx < 0)
+		return true;
+	if (toggledidx == fileidx)
+		return true;
+
+	from = toggledidx;
+	to = fileidx;
+	if (fileidx < toggledidx) {
+		from = fileidx;
+		to = toggledidx;
+	}
+	for (i = from; i <= to; i++) {
+		if (files[toggledidx].flags & FF_MARK) {
+			if (!(files[i].flags & FF_MARK)) {
+				files[i].flags |= FF_MARK;
+				markcnt += 1;
+			}
+		} else {
+			if (files[i].flags & FF_MARK) {
+				files[i].flags &= ~FF_MARK;
+				markcnt -= 1;
+			}
+		}
+		if (mode == MODE_THUMB)
+			tns_mark(&tns, i, !!(files[i].flags & FF_MARK));
+	}
+	return true;
+}
+
 bool cg_unmark_all(arg_t _)
 {
 	int i;
-- 
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