[PATCH 0/3] MR7802: comctl32: Implement MSAA events for listbox controls.

[PATCH 1/3] comctl32: Implement MSAA events for listbox.

[Esme Povirk]

From: Esme Povirk

---
 dlls/comctl32/listbox.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/dlls/comctl32/listbox.c b/dlls/comctl32/listbox.c
index bb37af8f10e..0ae511f7d70 100644
--- a/dlls/comctl32/listbox.c
+++ b/dlls/comctl32/listbox.c
@@ -1526,6 +1526,9 @@ static LRESULT LISTBOX_SelectItemRange( LB_DESCR *descr, INT first,
             LISTBOX_InvalidateItemRect(descr, i);
         }
     }
+
+    NotifyWinEvent( EVENT_OBJECT_SELECTIONWITHIN, descr->self, OBJID_CLIENT, 0 );
+
     return LB_OKAY;
 }

@@ -1711,6 +1714,9 @@ static LRESULT LISTBOX_InsertString( LB_DESCR *descr, INT index, LPCWSTR str )

TRACE("[%p]: added item %d %s\n",
           descr->self, index, HAS_STRINGS(descr) ? debugstr_w(new_str) : "" );
+
+    NotifyWinEvent( EVENT_OBJECT_CREATE, descr->self, OBJID_CLIENT, index + 1 );
+
     return index;
 }

@@ -1757,6 +1763,7 @@ static LRESULT LISTBOX_RemoveItem( LB_DESCR *descr, INT index )

if (descr->nb_items == 1)
     {
+        NotifyWinEvent( EVENT_OBJECT_DESTROY, descr->self, OBJID_CLIENT, 1 );
         SendMessageW(descr->self, LB_RESETCONTENT, 0, 0);
         return LB_OKAY;
     }
@@ -1793,6 +1800,7 @@ static LRESULT LISTBOX_RemoveItem( LB_DESCR *descr, INT index )
           descr->focus_item = descr->nb_items - 1;
           if (descr->focus_item < 0) descr->focus_item = 0;
     }
+    NotifyWinEvent( EVENT_OBJECT_DESTROY, descr->self, OBJID_CLIENT, index + 1 );
     return LB_OKAY;
 }

[PATCH 2/3] comctl32/tests: Test MSAA events for listbox.

[Esme Povirk]

From: Esme Povirk

---
 dlls/comctl32/tests/listbox.c | 49 +++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/dlls/comctl32/tests/listbox.c b/dlls/comctl32/tests/listbox.c
index 9993031fb5f..b707b540aa5 100644
--- a/dlls/comctl32/tests/listbox.c
+++ b/dlls/comctl32/tests/listbox.c
@@ -40,6 +40,47 @@ enum seq_index

static struct msg_sequence *sequences[NUM_MSG_SEQUENCES];

+static void CALLBACK msg_winevent_proc(HWINEVENTHOOK hevent,
+                                       DWORD event,
+                                       HWND hwnd,
+                                       LONG object_id,
+                                       LONG child_id,
+                                       DWORD thread_id,
+                                       DWORD event_time)
+{
+    struct message msg = {0};
+    char class_name[256];
+
+    /* ignore window and other system events */
+    if (object_id != OBJID_CLIENT) return;
+
+    /* ignore events not from a listbox control */
+    if (!GetClassNameA(hwnd, class_name, ARRAY_SIZE(class_name)) ||
+        strcmp(class_name, WC_LISTBOXA) != 0)
+        return;
+
+    msg.message = event;
+    msg.flags = winevent_hook|wparam|lparam;
+    msg.wParam = object_id;
+    msg.lParam = child_id;
+    add_message(sequences, LB_SEQ_INDEX, &msg);
+}
+
+static void init_winevent_hook(void) {
+    hwineventhook = SetWinEventHook(EVENT_MIN, EVENT_MAX, GetModuleHandleA(0), msg_winevent_proc,
+                                    0, GetCurrentThreadId(), WINEVENT_INCONTEXT);
+    if (!hwineventhook)
+        win_skip( "no win event hook support\n" );
+}
+
+static void uninit_winevent_hook(void) {
+    if (!hwineventhook)
+        return;
+
+    UnhookWinEvent(hwineventhook);
+    hwineventhook = 0;
+}
+
 /* encoded MEASUREITEMSTRUCT into a WPARAM */
 typedef struct
 {
@@ -227,9 +268,13 @@ static void run_test(DWORD style, const struct listbox_test test)
     static const struct message delete_seq[] =
     {
         { LB_DELETESTRING, sent|wparam|lparam, 0, 0 },
+        { EVENT_OBJECT_DESTROY, winevent_hook|wparam|lparam, OBJID_CLIENT, 1 },
         { LB_DELETESTRING, sent|wparam|lparam, 0, 0 },
+        { EVENT_OBJECT_DESTROY, winevent_hook|wparam|lparam, OBJID_CLIENT, 1 },
         { LB_DELETESTRING, sent|wparam|lparam, 0, 0 },
+        { EVENT_OBJECT_DESTROY, winevent_hook|wparam|lparam, OBJID_CLIENT, 1 },
         { LB_DELETESTRING, sent|wparam|lparam, 0, 0 },
+        { EVENT_OBJECT_DESTROY, winevent_hook|wparam|lparam, OBJID_CLIENT, 1 },
         { LB_RESETCONTENT, sent|wparam|lparam|defwinproc, 0, 0 },
         { 0 }
     };
@@ -2900,6 +2945,8 @@ START_TEST(listbox)

init_msg_sequences(sequences, NUM_MSG_SEQUENCES);

+    init_winevent_hook();
+
     test_listbox();
     test_item_height();
     test_ownerdraw();
@@ -2922,5 +2969,7 @@ START_TEST(listbox)
     test_LB_FINDSTRING();
     test_keypresses();

+    uninit_winevent_hook();
+
     unload_v6_module(ctx_cookie, hCtx);
 }

[PATCH 3/3] comctl32/tests: Add more MSAA event tests for listbox.

[Esme Povirk]

From: Esme Povirk

---
 dlls/comctl32/tests/listbox.c | 30 +++++++++++++++++++++++++++---
 1 file changed, 27 insertions(+), 3 deletions(-)

diff --git a/dlls/comctl32/tests/listbox.c b/dlls/comctl32/tests/listbox.c
index b707b540aa5..4012811473c 100644
--- a/dlls/comctl32/tests/listbox.c
+++ b/dlls/comctl32/tests/listbox.c
@@ -186,6 +186,19 @@ static LRESULT WINAPI listbox_wnd_proc(HWND hwnd, UINT message, WPARAM wParam, L

static HWND create_listbox(DWORD add_style, HWND parent)
 {
+    static const struct message addstring_seq[] =
+    {
+        { LB_ADDSTRING, sent },
+        { WM_GETMINMAXINFO, sent|defwinproc|optional },
+        { EVENT_OBJECT_CREATE, winevent_hook|wparam|lparam, OBJID_CLIENT, 1 },
+        { LB_ADDSTRING, sent },
+        { EVENT_OBJECT_CREATE, winevent_hook|wparam|lparam, OBJID_CLIENT, 2 },
+        { LB_ADDSTRING, sent },
+        { EVENT_OBJECT_CREATE, winevent_hook|wparam|lparam, OBJID_CLIENT, 3 },
+        { LB_ADDSTRING, sent },
+        { EVENT_OBJECT_CREATE, winevent_hook|wparam|lparam, OBJID_CLIENT, 4 },
+        { 0 }
+    };
     INT_PTR ctl_id = 0;
     WNDPROC oldproc;
     HWND handle;
@@ -197,13 +210,15 @@ static HWND create_listbox(DWORD add_style, HWND parent)
         parent, (HMENU)ctl_id, NULL, 0);
     ok(handle != NULL, "Failed to create listbox window.\n");

+    oldproc = (WNDPROC)SetWindowLongPtrA(handle, GWLP_WNDPROC, (LONG_PTR)listbox_wnd_proc);
+    SetWindowLongPtrA(handle, GWLP_USERDATA, (LONG_PTR)oldproc);
+
+    flush_sequence(sequences, LB_SEQ_INDEX);
     SendMessageA(handle, LB_ADDSTRING, 0, (LPARAM) strings[0]);
     SendMessageA(handle, LB_ADDSTRING, 0, (LPARAM) strings[1]);
     SendMessageA(handle, LB_ADDSTRING, 0, (LPARAM) strings[2]);
     SendMessageA(handle, LB_ADDSTRING, 0, (LPARAM) strings[3]);
-
-    oldproc = (WNDPROC)SetWindowLongPtrA(handle, GWLP_WNDPROC, (LONG_PTR)listbox_wnd_proc);
-    SetWindowLongPtrA(handle, GWLP_USERDATA, (LONG_PTR)oldproc);
+    ok_sequence(sequences, LB_SEQ_INDEX, addstring_seq, "addstring_seq", FALSE);

return handle;
 }
@@ -646,6 +661,12 @@ static void test_ownerdraw(void)

static void test_LB_SELITEMRANGE(void)
 {
+    static const struct message selitemrange_seq[] =
+    {
+        { LB_SELITEMRANGE, sent },
+        { EVENT_OBJECT_SELECTIONWITHIN, winevent_hook|wparam|lparam, OBJID_CLIENT, 0 },
+        { 0 }
+    };
     static const struct listbox_stat test_nosel = { 0, LB_ERR, 0, 0 };
     static const struct listbox_stat test_1 = { 0, LB_ERR, 0, 2 };
     static const struct listbox_stat test_2 = { 0, LB_ERR, 0, 3 };
@@ -687,8 +708,11 @@ static void test_LB_SELITEMRANGE(void)
     listbox_query(hLB, &answer);
     listbox_test_query(test_nosel, answer);

+    flush_sequence(sequences, LB_SEQ_INDEX);
     ret = SendMessageA(hLB, LB_SELITEMRANGE, TRUE, MAKELPARAM(2, 10));
     ok(ret == LB_OKAY, "LB_SELITEMRANGE returned %d instead of LB_OKAY\n", ret);
+    ok_sequence(sequences, LB_SEQ_INDEX, selitemrange_seq, "selitemrange_seq", FALSE);
+
     listbox_query(hLB, &answer);
     listbox_test_query(test_1, answer);