From ae043d524679c581e434f58a6bb2668f10b336cd Mon Sep 17 00:00:00 2001
From: Dave Davenport <qball@gmpclient.org>
Date: Mon, 14 Sep 2015 18:13:52 +0200
Subject: [PATCH] Allow dragging scrollbar.

---
 source/rofi.c      | 8 ++++++++
 source/scrollbar.c | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/source/rofi.c b/source/rofi.c
index 423f1671..627864d8 100644
--- a/source/rofi.c
+++ b/source/rofi.c
@@ -1190,6 +1190,14 @@ MenuReturn menu ( Switcher *sw, char **input, char *prompt,
             }
             state.update = TRUE;
         }
+        else if ( ev.type == MotionNotify ) {
+            while ( XCheckTypedEvent ( display, MotionNotify, &ev ) ) {
+                ;
+            }
+            XMotionEvent xme = ev.xmotion;
+            state.selected = scrollbar_clicked ( state.scrollbar, xme.y );
+            state.update   = TRUE;
+        }
         // Button press event.
         else if ( ev.type == ButtonPress ) {
             while ( XCheckTypedEvent ( display, ButtonPress, &ev ) ) {
diff --git a/source/scrollbar.c b/source/scrollbar.c
index 0452b1cd..85ad3bb7 100644
--- a/source/scrollbar.c
+++ b/source/scrollbar.c
@@ -59,7 +59,7 @@ scrollbar *scrollbar_create ( Window parent, XVisualInfo *vinfo, Colormap map,
     sb->window            = XCreateWindow ( display, sb->parent, sb->x, sb->y, sb->w, sb->h, 0, vinfo->depth,
                                             InputOutput, vinfo->visual, CWColormap | CWBorderPixel | CWBackPixel, &attr );
 
-    XSelectInput ( display, sb->window, ExposureMask | ButtonPressMask );
+    XSelectInput ( display, sb->window, ExposureMask | ButtonPressMask | Button1MotionMask  );
     sb->gc = XCreateGC ( display, sb->window, 0, 0 );
     XSetForeground ( display, sb->gc, color_separator ( display ) );
     //XSetFillStyle ( display, sb->gc, FillSolid);