02/02: [UXTHEME] -Pass a non 0 wParam when themes get enabled and 0 when they get disabled

[Giannis Adamopoulos]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=7e9f56229f8287f597c4a7...

commit 7e9f56229f8287f597c4a78fd215d3e3e359a873
Author:     Giannis Adamopoulos [e-mail]
AuthorDate: Fri Jan 12 18:52:08 2018 +0200
Commit:     Giannis Adamopoulos [e-mail]
CommitDate: Mon Jan 15 12:57:08 2018 +0200

[UXTHEME] -Pass a non 0 wParam when themes get enabled and 0 when they get disabled
---
 dll/win32/uxtheme/system.c     | 20 ++++++++++----------
 dll/win32/uxtheme/themehooks.c |  4 ++--
 dll/win32/uxtheme/uxthemep.h   |  2 +-
 3 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/dll/win32/uxtheme/system.c b/dll/win32/uxtheme/system.c
index 84d703d157..2fb1ac8b5a 100644
--- a/dll/win32/uxtheme/system.c
+++ b/dll/win32/uxtheme/system.c
@@ -58,23 +58,23 @@ int g_cHandles;

/***********************************************************************/

-static BOOL CALLBACK UXTHEME_broadcast_msg_enumchild (HWND hWnd, LPARAM msg)
+static BOOL CALLBACK UXTHEME_send_theme_changed (HWND hWnd, LPARAM enable)
 {
-    SendMessageW(hWnd, msg, 0, 0);
+    SendMessageW(hWnd, WM_THEMECHANGED, enable, 0);
     return TRUE;
 }

-/* Broadcast a message to *all* windows, including children */
-BOOL CALLBACK UXTHEME_broadcast_msg (HWND hWnd, LPARAM msg)
+/* Broadcast WM_THEMECHANGED to *all* windows, including children */
+BOOL CALLBACK UXTHEME_broadcast_theme_changed (HWND hWnd, LPARAM enable)
 {
     if (hWnd == NULL)
     {
-	EnumWindows (UXTHEME_broadcast_msg, msg);
+        EnumWindows (UXTHEME_broadcast_theme_changed, enable);
     }
     else
     {
-	SendMessageW(hWnd, msg, 0, 0);
-	EnumChildWindows (hWnd, UXTHEME_broadcast_msg_enumchild, msg);
+        UXTHEME_send_theme_changed(hWnd, enable);
+        EnumChildWindows (hWnd, UXTHEME_send_theme_changed, enable);
     }
     return TRUE;
 }
@@ -658,7 +658,7 @@ HRESULT WINAPI EnableTheming(BOOL fEnable)
             RegSetValueExW(hKey, szThemeActive, 0, REG_SZ, (LPBYTE)szEnabled, sizeof(WCHAR));
             RegCloseKey(hKey);
         }
-	UXTHEME_broadcast_msg (NULL, WM_THEMECHANGED);
+	UXTHEME_broadcast_theme_changed (NULL, fEnable);
     }
     return S_OK;
 }
@@ -884,7 +884,7 @@ HRESULT WINAPI SetWindowTheme(HWND hwnd, LPCWSTR pszSubAppName,
     if (!SUCCEEDED(hr))
         return hr;

-    UXTHEME_broadcast_msg (hwnd, WM_THEMECHANGED);
+    UXTHEME_broadcast_theme_changed (hwnd, TRUE);
     return hr;
 }

@@ -1160,7 +1160,7 @@ HRESULT WINAPI ApplyTheme(HTHEMEFILE hThemeFile, char *unknown, HWND hWnd)
     HRESULT hr;
     TRACE("(%p,%s,%p)\n", hThemeFile, unknown, hWnd);
     hr = UXTHEME_ApplyTheme(hThemeFile);
-    UXTHEME_broadcast_msg (NULL, WM_THEMECHANGED);
+    UXTHEME_broadcast_theme_changed (NULL, (g_ActiveThemeFile != NULL));
     return hr;
 }

diff --git a/dll/win32/uxtheme/themehooks.c b/dll/win32/uxtheme/themehooks.c
index e87b6d0abe..99811808f7 100644
--- a/dll/win32/uxtheme/themehooks.c
+++ b/dll/win32/uxtheme/themehooks.c
@@ -697,7 +697,7 @@ ThemeHooksInstall()
         ret = FALSE;
     }

-    UXTHEME_broadcast_msg (NULL, WM_THEMECHANGED);
+    UXTHEME_broadcast_theme_changed (NULL, TRUE);

return ret;
 }
@@ -709,7 +709,7 @@ ThemeHooksRemove()

ret = UnregisterUserApiHook();

-    UXTHEME_broadcast_msg (NULL, WM_THEMECHANGED);
+    UXTHEME_broadcast_theme_changed (NULL, FALSE);

return ret;
 }
diff --git a/dll/win32/uxtheme/uxthemep.h b/dll/win32/uxtheme/uxthemep.h
index 8aeb65d98a..2708cdd48f 100644
--- a/dll/win32/uxtheme/uxthemep.h
+++ b/dll/win32/uxtheme/uxthemep.h
@@ -256,7 +256,7 @@ extern BOOL g_bThemeHooksActive;

void UXTHEME_InitSystem(HINSTANCE hInst);
 void UXTHEME_LoadTheme(BOOL bLoad);
-BOOL CALLBACK UXTHEME_broadcast_msg (HWND hWnd, LPARAM msg);
+BOOL CALLBACK UXTHEME_broadcast_theme_changed (HWND hWnd, LPARAM enable);

/* No alpha blending */
 #define ALPHABLEND_NONE             0