From fa97b0a95b804fec86b03d35d16c270d2866ebd6 Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Fri, 18 Mar 2016 07:28:27 +0000
Subject: Instead of reusing MouseUp at the finish of a drag, add a new key
 MouseDragEnd. It can be useful to bind them separately in copy mode.

---
 key-string.c    |  3 +++
 mode-key.c      |  4 ++--
 server-client.c | 22 +++++++++++-----------
 tmux.1          |  8 ++++----
 tmux.h          |  3 +++
 5 files changed, 23 insertions(+), 17 deletions(-)

diff --git a/key-string.c b/key-string.c
index c56681f1..119035a0 100644
--- a/key-string.c
+++ b/key-string.c
@@ -93,6 +93,9 @@ const struct {
 	KEYC_MOUSE_STRING(MOUSEDRAG1, MouseDrag1),
 	KEYC_MOUSE_STRING(MOUSEDRAG2, MouseDrag2),
 	KEYC_MOUSE_STRING(MOUSEDRAG3, MouseDrag3),
+	KEYC_MOUSE_STRING(MOUSEDRAGEND1, MouseDragEnd1),
+	KEYC_MOUSE_STRING(MOUSEDRAGEND2, MouseDragEnd2),
+	KEYC_MOUSE_STRING(MOUSEDRAGEND3, MouseDragEnd3),
 	KEYC_MOUSE_STRING(WHEELUP, WheelUp),
 	KEYC_MOUSE_STRING(WHEELDOWN, WheelDown),
 };
diff --git a/mode-key.c b/mode-key.c
index a9b15bb9..aed161bb 100644
--- a/mode-key.c
+++ b/mode-key.c
@@ -347,7 +347,7 @@ const struct mode_key_entry mode_key_vi_copy[] = {
 	{ KEYC_WHEELUP_PANE,        0, MODEKEYCOPY_SCROLLUP },
 	{ KEYC_WHEELDOWN_PANE,      0, MODEKEYCOPY_SCROLLDOWN },
 	{ KEYC_MOUSEDRAG1_PANE,     0, MODEKEYCOPY_STARTSELECTION },
-	{ KEYC_MOUSEUP1_PANE,       0, MODEKEYCOPY_COPYSELECTION },
+	{ KEYC_MOUSEDRAGEND1_PANE,  0, MODEKEYCOPY_COPYSELECTION },
 
 	{ 0,			   -1, 0 }
 };
@@ -496,7 +496,7 @@ const struct mode_key_entry mode_key_emacs_copy[] = {
 	{ KEYC_WHEELUP_PANE,        0, MODEKEYCOPY_SCROLLUP },
 	{ KEYC_WHEELDOWN_PANE,      0, MODEKEYCOPY_SCROLLDOWN },
 	{ KEYC_MOUSEDRAG1_PANE,     0, MODEKEYCOPY_STARTSELECTION },
-	{ KEYC_MOUSEUP1_PANE,       0, MODEKEYCOPY_COPYSELECTION },
+	{ KEYC_MOUSEDRAGEND1_PANE,  0, MODEKEYCOPY_COPYSELECTION },
 
 	{ 0,			   -1, 0 }
 };
diff --git a/server-client.c b/server-client.c
index 9111eb82..6166eac4 100644
--- a/server-client.c
+++ b/server-client.c
@@ -385,33 +385,33 @@ server_client_check_mouse(struct client *c)
 		c->tty.mouse_drag_release = NULL;
 
 		/*
-		 * End a mouse drag by passing a MouseUp key corresponding to
-		 * the button that started the drag.
+		 * End a mouse drag by passing a MouseDragEnd key corresponding
+		 * to the button that started the drag.
 		 */
 		switch (c->tty.mouse_drag_flag) {
 		case 1:
 			if (where == PANE)
-				key = KEYC_MOUSEUP1_PANE;
+				key = KEYC_MOUSEDRAGEND1_PANE;
 			if (where == STATUS)
-				key = KEYC_MOUSEUP1_STATUS;
+				key = KEYC_MOUSEDRAGEND1_STATUS;
 			if (where == BORDER)
-				key = KEYC_MOUSEUP1_BORDER;
+				key = KEYC_MOUSEDRAGEND1_BORDER;
 			break;
 		case 2:
 			if (where == PANE)
-				key = KEYC_MOUSEUP2_PANE;
+				key = KEYC_MOUSEDRAGEND2_PANE;
 			if (where == STATUS)
-				key = KEYC_MOUSEUP2_STATUS;
+				key = KEYC_MOUSEDRAGEND2_STATUS;
 			if (where == BORDER)
-				key = KEYC_MOUSEUP2_BORDER;
+				key = KEYC_MOUSEDRAGEND2_BORDER;
 			break;
 		case 3:
 			if (where == PANE)
-				key = KEYC_MOUSEUP3_PANE;
+				key = KEYC_MOUSEDRAGEND3_PANE;
 			if (where == STATUS)
-				key = KEYC_MOUSEUP3_STATUS;
+				key = KEYC_MOUSEDRAGEND3_STATUS;
 			if (where == BORDER)
-				key = KEYC_MOUSEUP3_BORDER;
+				key = KEYC_MOUSEDRAGEND3_BORDER;
 			break;
 		default:
 			key = KEYC_MOUSE;
diff --git a/tmux.1 b/tmux.1
index 448673f1..a304e76b 100644
--- a/tmux.1
+++ b/tmux.1
@@ -3294,10 +3294,10 @@ for a pane border or
 for the status line).
 The following mouse events are available:
 .Bl -column "MouseDown1" "MouseDrag1" "WheelDown" -offset indent
-.It Li "MouseDown1" Ta "MouseUp1" Ta "MouseDrag1"
-.It Li "MouseDown2" Ta "MouseUp2" Ta "MouseDrag2"
-.It Li "MouseDown3" Ta "MouseUp3" Ta "MouseDrag3"
-.It Li "WheelUp" Ta "WheelDown" Ta ""
+.It Li "MouseDown1" Ta "MouseUp1" Ta "MouseDrag1" Ta "MouseDragEnd1"
+.It Li "MouseDown2" Ta "MouseUp2" Ta "MouseDrag2" Ta "MouseDragEnd2"
+.It Li "MouseDown3" Ta "MouseUp3" Ta "MouseDrag3" Ta "MouseDragEnd3"
+.It Li "WheelUp" Ta "WheelDown" Ta "" Ta ""
 .El
 .Pp
 Each should be suffixed with a location, for example
diff --git a/tmux.h b/tmux.h
index ac94d780..b2445fce 100644
--- a/tmux.h
+++ b/tmux.h
@@ -135,6 +135,9 @@ enum {
 	KEYC_MOUSE_KEY(MOUSEDRAG1),
 	KEYC_MOUSE_KEY(MOUSEDRAG2),
 	KEYC_MOUSE_KEY(MOUSEDRAG3),
+	KEYC_MOUSE_KEY(MOUSEDRAGEND1),
+	KEYC_MOUSE_KEY(MOUSEDRAGEND2),
+	KEYC_MOUSE_KEY(MOUSEDRAGEND3),
 	KEYC_MOUSE_KEY(WHEELUP),
 	KEYC_MOUSE_KEY(WHEELDOWN),
 
-- 
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