[gimp] build/win: Add patches to gtk2 for fixing horizontal scrolling.

[Michael Henning <mhenning src gnome org>]

commit d5cab957ac9382502d146015823b4612a61857b5
Author: Michael Henning <drawoc darkrefraction com>
Date:   Tue Apr 28 03:11:01 2015 -0400

    build/win: Add patches to gtk2 for fixing horizontal scrolling.

 build/windows/jhbuild/gtk+.moduleset               |    1 +
 .../jhbuild/patches/gtk-horiz-scrolling.patch      |   65 ++++++++++++++++++++
 2 files changed, 66 insertions(+), 0 deletions(-)
---
diff --git a/build/windows/jhbuild/gtk+.moduleset b/build/windows/jhbuild/gtk+.moduleset
index 41085fd..a63af30 100644
--- a/build/windows/jhbuild/gtk+.moduleset
+++ b/build/windows/jhbuild/gtk+.moduleset
@@ -159,6 +159,7 @@
        <branch version="2.24.23" repo="gnome.org"
                        module="gtk+/2.24/gtk+-2.24.23.tar.xz"
                        hash="sha256:a0a406e27e9b5e7d6b2c4334212706ed5cdcd41e713e66c9ae950655dd61517c">
+               <patch file="gtk-horiz-scrolling.patch" strip="1"/>
        </branch>
        <dependencies>
                <dep package="glib2"/>
diff --git a/build/windows/jhbuild/patches/gtk-horiz-scrolling.patch 
b/build/windows/jhbuild/patches/gtk-horiz-scrolling.patch
new file mode 100644
index 0000000..84abe48
--- /dev/null
+++ b/build/windows/jhbuild/patches/gtk-horiz-scrolling.patch
@@ -0,0 +1,65 @@
+From c0e0a1508be3ccf349717497af2e8a4d77027649 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=D0=A0=D1=83=D1=81=D0=BB=D0=B0=D0=BD=20=D0=98=D0=B6=D0=B1?=
+ =?UTF-8?q?=D1=83=D0=BB=D0=B0=D1=82=D0=BE=D0=B2?= <lrn1986 gmail com>
+Date: Thu, 16 Apr 2015 23:11:14 +0000
+Subject: W32: Support horizontal mouse wheel scrolling
+
+https://bugzilla.gnome.org/show_bug.cgi?id=748014
+
+diff --git a/gdk/win32/gdkevents-win32.c b/gdk/win32/gdkevents-win32.c
+index c55cee0..7ff7c08 100644
+--- a/gdk/win32/gdkevents-win32.c
++++ b/gdk/win32/gdkevents-win32.c
+@@ -2450,6 +2450,7 @@ gdk_event_translate (MSG  *msg,
+       break;
+ 
+     case WM_MOUSEWHEEL:
++    case WM_MOUSEHWHEEL:
+       GDK_NOTE (EVENTS, g_print (" %d", (short) HIWORD (msg->wParam)));
+ 
+       /* WM_MOUSEWHEEL is delivered to the focus window. Work around
+@@ -2500,8 +2501,13 @@ gdk_event_translate (MSG  *msg,
+ 
+       event = gdk_event_new (GDK_SCROLL);
+       event->scroll.window = window;
+-      event->scroll.direction = (((short) HIWORD (msg->wParam)) > 0) ?
+-      GDK_SCROLL_UP : GDK_SCROLL_DOWN;
++
++      if (msg->message == WM_MOUSEWHEEL)
++        event->scroll.direction = (((short) HIWORD (msg->wParam)) > 0) ?
++          GDK_SCROLL_UP : GDK_SCROLL_DOWN;
++      else if (msg->message == WM_MOUSEHWHEEL)
++        event->scroll.direction = (((short) HIWORD (msg->wParam)) > 0) ?
++          GDK_SCROLL_RIGHT : GDK_SCROLL_LEFT;
+       event->scroll.time = _gdk_win32_get_next_tick (msg->time);
+       event->scroll.x = (gint16) point.x;
+       event->scroll.y = (gint16) point.y;
+diff --git a/gdk/win32/gdkmain-win32.c b/gdk/win32/gdkmain-win32.c
+index f12c166..ee28ba6 100644
+--- a/gdk/win32/gdkmain-win32.c
++++ b/gdk/win32/gdkmain-win32.c
+@@ -759,6 +759,7 @@ _gdk_win32_message_to_string (UINT msg)
+       CASE (WM_MBUTTONUP);
+       CASE (WM_MBUTTONDBLCLK);
+       CASE (WM_MOUSEWHEEL);
++      CASE (WM_MOUSEHWHEEL);
+       CASE (WM_XBUTTONDOWN);
+       CASE (WM_XBUTTONUP);
+       CASE (WM_XBUTTONDBLCLK);
+diff --git a/gdk/win32/gdkprivate-win32.h b/gdk/win32/gdkprivate-win32.h
+index dbb9a79..a14d8f5 100644
+--- a/gdk/win32/gdkprivate-win32.h
++++ b/gdk/win32/gdkprivate-win32.h
+@@ -90,6 +90,9 @@
+ #ifndef WM_APPCOMMAND
+ #define WM_APPCOMMAND 0x319
+ #endif
++#ifndef WM_MOUSEHWHEEL
++#define WM_MOUSEHWHEEL 0x20E
++#endif
+ 
+ #ifndef CF_DIBV5
+ #define CF_DIBV5 17
+-- 
+cgit v0.10.2
+