From 386cf457c97530f44d04ea6cc568b53ef8cecf61 Mon Sep 17 00:00:00 2001
From: Vitaly Lipatov <lav@etersoft.ru>
Date: Sun, 9 Jan 2005 16:35:41 +0000
Subject: [PATCH] Added handling of SBM_GETSCROLLBARINFO message.

---
 dlls/user/message.c | 15 ++++++++++++++-
 include/winuser.h   | 15 +++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/dlls/user/message.c b/dlls/user/message.c
index c8f08036481..eb43c860801 100644
--- a/dlls/user/message.c
+++ b/dlls/user/message.c
@@ -106,7 +106,7 @@ static const unsigned int message_pointer_flags[] =
     /* 0xc0 - 0xdf */
     SET(EM_REPLACESEL) | SET(EM_GETLINE) | SET(EM_SETTABSTOPS),
     /* 0xe0 - 0xff */
-    SET(SBM_GETRANGE) | SET(SBM_SETSCROLLINFO) | SET(SBM_GETSCROLLINFO),
+    SET(SBM_GETRANGE) | SET(SBM_SETSCROLLINFO) | SET(SBM_GETSCROLLINFO) | SET(SBM_GETSCROLLBARINFO),
     /* 0x100 - 0x11f */
     0,
     /* 0x120 - 0x13f */
@@ -499,6 +499,13 @@ static size_t pack_message( HWND hwnd, UINT message, WPARAM wparam, LPARAM lpara
     case SBM_GETSCROLLINFO:
         push_data( data, (SCROLLINFO *)lparam, sizeof(SCROLLINFO) );
         return sizeof(SCROLLINFO);
+    case SBM_GETSCROLLBARINFO:
+    {
+        const SCROLLBARINFO *info = (const SCROLLBARINFO *)lparam;
+        size_t size = min( info->cbSize, sizeof(SCROLLBARINFO) );
+        push_data( data, info, size );
+        return size;
+    }
     case EM_GETSEL:
     case SBM_GETRANGE:
     case CB_GETEDITSEL:
@@ -724,6 +731,9 @@ static BOOL unpack_message( HWND hwnd, UINT message, WPARAM *wparam, LPARAM *lpa
     case SBM_GETSCROLLINFO:
         if (!get_buffer_space( buffer, sizeof(SCROLLINFO ))) return FALSE;
         break;
+    case SBM_GETSCROLLBARINFO:
+        if (!get_buffer_space( buffer, sizeof(SCROLLBARINFO ))) return FALSE;
+        break;
     case EM_GETSEL:
     case SBM_GETRANGE:
     case CB_GETEDITSEL:
@@ -999,6 +1009,9 @@ static void unpack_reply( HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam,
     case SBM_GETSCROLLINFO:
         memcpy( (SCROLLINFO *)lparam, buffer, min( sizeof(SCROLLINFO), size ));
         break;
+    case SBM_GETSCROLLBARINFO:
+        memcpy( (SCROLLBARINFO *)lparam, buffer, min( sizeof(SCROLLBARINFO), size ));
+        break;
     case EM_GETRECT:
     case CB_GETDROPPEDCONTROLRECT:
     case LB_GETITEMRECT:
diff --git a/include/winuser.h b/include/winuser.h
index 68b9e34e30b..b61304f9c96 100644
--- a/include/winuser.h
+++ b/include/winuser.h
@@ -2118,6 +2118,7 @@ typedef PVOID *LPMENUTEMPLATE;
 #define SBM_SETRANGEREDRAW     0x00e6
 #define SBM_SETSCROLLINFO      0x00e9
 #define SBM_GETSCROLLINFO      0x00ea
+#define SBM_GETSCROLLBARINFO   0x00eb
 
 /* Scrollbar info */
 typedef struct tagSCROLLINFO
@@ -2133,6 +2134,19 @@ typedef struct tagSCROLLINFO
 
 typedef const SCROLLINFO *LPCSCROLLINFO;
 
+#define CCHILDREN_SCROLLBAR 5
+
+typedef struct tagSCROLLBARINFO
+{
+    DWORD   cbSize;             /* Size of SCROLLBARINFO struct */
+    RECT    rcScrollBar;        /* Coordinates of the scroll bar */
+    INT     dxyLineButton;      /* Height or width */
+    INT     xyThumbTop;         /* Position of the top or the left */
+    INT     xyThumbBottom;      /* Position of the bottom or the right */
+    INT     reserved;
+    DWORD   rgstate[CCHILDREN_SCROLLBAR+1];
+} SCROLLBARINFO, *PSCROLLBARINFO, *LPSCROLLBARINFO;
+
 /* GetScrollInfo() flags */
 #define SIF_RANGE           0x0001
 #define SIF_PAGE            0x0002
@@ -4239,6 +4253,7 @@ HANDLE    WINAPI GetPropW(HWND,LPCWSTR);
 #define     GetProp WINELIB_NAME_AW(GetProp)
 DWORD       WINAPI GetQueueStatus(UINT);
 BOOL      WINAPI GetScrollInfo(HWND,INT,LPSCROLLINFO);
+BOOL      WINAPI GetScrollBarInfo(HWND,LONG,LPSCROLLBARINFO);
 INT       WINAPI GetScrollPos(HWND,INT);
 BOOL      WINAPI GetScrollRange(HWND,INT,LPINT,LPINT);
 HWND      WINAPI GetShellWindow(void);