user32/tests: Add a test for WM_MEASUREITEM when inserting an item to an owner-drawn listbox.

dlls/user32/tests/msg.c

@@ -3,7 +3,7 @@
  *
  * Copyright 1999 Ove Kaaven
  * Copyright 2003 Dimitrie O. Paun
- * Copyright 2004, 2005 Dmitry Timoshkov
+ * Copyright 2004,2005,2016 Dmitry Timoshkov
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -98,6 +98,22 @@ typedef struct
     } u;
 } DRAW_ITEM_STRUCT;
 
+/* encoded MEASUREITEMSTRUCT into a WPARAM */
+typedef struct
+{
+    union
+    {
+        struct
+        {
+            UINT CtlType : 4;
+            UINT CtlID   : 4;
+            UINT itemID  : 4;
+            UINT wParam  : 20;
+        } item;
+        WPARAM wp;
+    } u;
+} MEASURE_ITEM_STRUCT;
+
 static BOOL test_DestroyWindow_flag;
 static HWINEVENTHOOK hEvent_hook;
 static HHOOK hKBD_hook;
@@ -2099,6 +2115,25 @@ static BOOL ignore_message( UINT message )
             message == WM_DWMNCRENDERINGCHANGED);
 }
 
+static unsigned hash_Ly_W(const WCHAR *str)
+{
+    unsigned hash = 0;
+
+    for (; *str; str++)
+        hash = hash * 1664525u + (unsigned char)(*str) + 1013904223u;
+
+    return hash;
+}
+
+static unsigned hash_Ly(const char *str)
+{
+    unsigned hash = 0;
+
+    for (; *str; str++)
+        hash = hash * 1664525u + (unsigned char)(*str) + 1013904223u;
+
+    return hash;
+}
 
 #define add_message(msg) add_message_(__LINE__,msg);
 static void add_message_(int line, const struct recvd_message *msg)
@@ -2203,6 +2238,26 @@ static void add_message_(int line, const struct recvd_message *msg)
                 seq->lParam = di.u.lp;
                 break;
             }
+
+            case WM_MEASUREITEM:
+            {
+                MEASURE_ITEM_STRUCT mi;
+                MEASUREITEMSTRUCT *mis = (MEASUREITEMSTRUCT *)msg->lParam;
+
+                sprintf( seq->output, "%s: %p WM_MEASUREITEM: CtlType %#x, CtlID %#x, itemID %#x, itemData %#lx",
+                         msg->descr, msg->hwnd, mis->CtlType, mis->CtlID,
+                         mis->itemID, mis->itemData);
+
+                mi.u.wp = 0;
+                mi.u.item.CtlType = mis->CtlType;
+                mi.u.item.CtlID = mis->CtlID;
+                mi.u.item.itemID = mis->itemID;
+                mi.u.item.wParam = msg->wParam;
+                seq->wParam = mi.u.wp;
+                seq->lParam = mis->itemData ? hash_Ly_W((const WCHAR *)mis->itemData) : 0;
+                break;
+            }
+
             default:
                 if (msg->message >= 0xc000) return;  /* ignore registered messages */
                 sprintf( seq->output, "%s: %p %04x wp %08lx lp %08lx",
@@ -8989,8 +9044,8 @@ static LRESULT WINAPI ParentMsgCheckProcA(HWND hwnd, UINT message, WPARAM wParam
         message == WM_PARENTNOTIFY || message == WM_CANCELMODE ||
 	message == WM_SETFOCUS || message == WM_KILLFOCUS ||
 	message == WM_ENABLE ||	message == WM_ENTERIDLE ||
-	message == WM_DRAWITEM || message == WM_COMMAND ||
-	message == WM_IME_SETCONTEXT)
+	message == WM_DRAWITEM || message == WM_MEASUREITEM ||
+	message == WM_COMMAND || message == WM_IME_SETCONTEXT)
     {
         switch (message)
         {
@@ -14094,6 +14149,16 @@ static const struct message wm_lb_deletestring_reset[] =
     { WM_DRAWITEM, sent|wparam|parent|optional, ID_LISTBOX },
     { 0 }
 };
+static const struct message wm_lb_addstring[] =
+{
+    { LB_ADDSTRING, sent|wparam|lparam, 0, 0xf30604ed },
+    { WM_MEASUREITEM, sent|wparam|lparam|parent, 0xf0f2, 0xf30604ed },
+    { LB_ADDSTRING, sent|wparam|lparam, 0, 0xf30604ee },
+    { WM_MEASUREITEM, sent|wparam|lparam|parent, 0xf1f2, 0xf30604ee },
+    { LB_ADDSTRING, sent|wparam|lparam, 0, 0xf30604ef },
+    { WM_MEASUREITEM, sent|wparam|lparam|parent, 0xf2f2, 0xf30604ef },
+    { 0 }
+};
 
 #define check_lb_state(a1, a2, a3, a4, a5) check_lb_state_dbg(a1, a2, a3, a4, a5, __LINE__)
 
@@ -14119,7 +14184,10 @@ static LRESULT WINAPI listbox_hook_proc(HWND hwnd, UINT message, WPARAM wp, LPAR
         msg.flags = sent|wparam|lparam;
         if (defwndproc_counter) msg.flags |= defwinproc;
         msg.wParam = wp;
-        msg.lParam = lp;
+        if (message == LB_ADDSTRING)
+            msg.lParam = lp ? hash_Ly((const char *)lp) : 0;
+        else
+            msg.lParam = lp;
         msg.descr = "listbox";
         add_message(&msg);
     }
@@ -14163,6 +14231,8 @@ static void test_listbox_messages(void)
 
     check_lb_state(listbox, 0, LB_ERR, 0, 0);
 
+    flush_sequence();
+
     ret = SendMessageA(listbox, LB_ADDSTRING, 0, (LPARAM)"item 0");
     ok(ret == 0, "expected 0, got %ld\n", ret);
     ret = SendMessageA(listbox, LB_ADDSTRING, 0, (LPARAM)"item 1");
@@ -14170,6 +14240,7 @@ static void test_listbox_messages(void)
     ret = SendMessageA(listbox, LB_ADDSTRING, 0, (LPARAM)"item 2");
     ok(ret == 2, "expected 2, got %ld\n", ret);
 
+    ok_sequence(wm_lb_addstring, "LB_ADDSTRING", FALSE);
     check_lb_state(listbox, 3, LB_ERR, 0, 0);
 
     flush_sequence();