Brendan Shanks : dinput: Block Acquire() until hooks are installed to prevent input being lost.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: d5fd3c8a386cf716b1a9695069462be0abd0fa4f
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=d5fd3c8a386cf716b1a969506...

Author: Brendan Shanks 
Date:   Fri Apr 17 11:35:06 2020 -0700

dinput: Block Acquire() until hooks are installed to prevent input being lost.

Signed-off-by: Brendan Shanks 
Signed-off-by: Alexandre Julliard

---

dlls/dinput/dinput_main.c   | 19 ++++++++++++++++---
 dlls/dinput8/tests/device.c |  3 ---
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/dlls/dinput/dinput_main.c b/dlls/dinput/dinput_main.c
index 0855cb41cd..5eaa32bd0b 100644
--- a/dlls/dinput/dinput_main.c
+++ b/dlls/dinput/dinput_main.c
@@ -1717,10 +1717,11 @@ static DWORD WINAPI hook_thread_proc(void *param)
         if (msg.message == WM_USER+0x10)
         {
             IDirectInputImpl *dinput;
+            HANDLE finished_event = (HANDLE)msg.lParam;

-            TRACE( "Processing hook change notification lp:%ld\n", msg.lParam );
+            TRACE( "Processing hook change notification wp:%ld lp:%#lx\n", msg.wParam, msg.lParam );

-            if (!msg.wParam && !msg.lParam)
+            if (!msg.wParam)
             {
                 if (kbd_hook) UnhookWindowsHookEx( kbd_hook );
                 if (mouse_hook) UnhookWindowsHookEx( mouse_hook );
@@ -1765,6 +1766,9 @@ static DWORD WINAPI hook_thread_proc(void *param)
                 UnhookWindowsHookEx( mouse_hook );
                 mouse_hook = NULL;
             }
+
+            if (finished_event)
+                SetEvent(finished_event);
         }
         TranslateMessage(&msg);
         DispatchMessageW(&msg);
@@ -1824,6 +1828,7 @@ void check_dinput_hooks(LPDIRECTINPUTDEVICE8W iface, BOOL acquired)
     static HHOOK callwndproc_hook;
     static ULONG foreground_cnt;
     IDirectInputDeviceImpl *dev = impl_from_IDirectInputDevice8W(iface);
+    HANDLE hook_change_finished_event = NULL;

EnterCriticalSection(&dinput_hook_crit);

@@ -1851,9 +1856,17 @@ void check_dinput_hooks(LPDIRECTINPUTDEVICE8W iface, BOOL acquired)
         hook_thread_event = NULL;
     }

-    PostThreadMessageW( hook_thread_id, WM_USER+0x10, 1, 0 );
+    if (acquired)
+        hook_change_finished_event = CreateEventW( NULL, FALSE, FALSE, NULL );
+    PostThreadMessageW( hook_thread_id, WM_USER+0x10, 1, (LPARAM)hook_change_finished_event );

LeaveCriticalSection(&dinput_hook_crit);
+
+    if (acquired)
+    {
+        WaitForSingleObject(hook_change_finished_event, INFINITE);
+        CloseHandle(hook_change_finished_event);
+    }
 }

void check_dinput_events(void)
diff --git a/dlls/dinput8/tests/device.c b/dlls/dinput8/tests/device.c
index ea5ab75109..bb82855d40 100644
--- a/dlls/dinput8/tests/device.c
+++ b/dlls/dinput8/tests/device.c
@@ -798,12 +798,10 @@ static void test_keyboard_events(void)
     data_size = ARRAY_SIZE(obj_data);
     hr = IDirectInputDevice8_GetDeviceData(di_keyboard, sizeof(DIDEVICEOBJECTDATA), obj_data, &data_size, 0);
     ok(SUCCEEDED(hr), "Failed to get data hr=%08x\n", hr);
-    todo_wine
     ok(data_size == 1, "Expected 1 element, received %d\n", data_size);

hr = IDirectInputDevice8_GetDeviceState(di_keyboard, sizeof(kbdata), kbdata);
     ok(SUCCEEDED(hr), "IDirectInputDevice8_GetDeviceState failed: %08x\n", hr);
-    todo_wine
     ok(kbdata[DIK_SPACE], "Expected DIK_SPACE key state down\n");

keybd_event(VK_SPACE, DIK_SPACE, KEYEVENTF_KEYUP, 0);
@@ -812,7 +810,6 @@ static void test_keyboard_events(void)
     data_size = ARRAY_SIZE(obj_data);
     hr = IDirectInputDevice8_GetDeviceData(di_keyboard, sizeof(DIDEVICEOBJECTDATA), obj_data, &data_size, 0);
     ok(SUCCEEDED(hr), "Failed to get data hr=%08x\n", hr);
-    todo_wine
     ok(data_size == 1, "Expected 1 element, received %d\n", data_size);

/* Test injecting keyboard events with scancode=0.