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Win32: Simplify window class handling

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By using window class atoms, we only need to mention each window class
name once, also removing the need to define _GLFW_WNDCLASSNAME.  It can
still be defined by the user as before.
This commit is contained in:
Camilla Löwy
2022-05-06 17:58:42 +02:00
parent 2ae3e0c8d7
commit a465c1c32e
3 changed files with 43 additions and 61 deletions
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src/win32_init.c
+7 -10
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@@ -378,7 +378,8 @@ static GLFWbool createHelperWindow(void)
wc.hInstance = _glfw.win32.instance;
wc.lpszClassName = L"GLFW3 Helper";
if (!RegisterClassExW(&wc))
_glfw.win32.helperWindowClass = RegisterClassExW(&wc);
if (!_glfw.win32.helperWindowClass)
{
_glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
"WIn32: Failed to register helper window class");
@@ -387,7 +388,7 @@ static GLFWbool createHelperWindow(void)
_glfw.win32.helperWindowHandle =
CreateWindowExW(WS_EX_OVERLAPPEDWINDOW,
L"GLFW3 Helper",
MAKEINTATOM(_glfw.win32.helperWindowClass),
L"GLFW message window",
WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
0, 0, 1, 1,
@@ -695,9 +696,6 @@ int _glfwInitWin32(void)
else if (IsWindowsVistaOrGreater())
SetProcessDPIAware();
if (!_glfwRegisterWindowClassWin32())
return GLFW_FALSE;
if (!createHelperWindow())
return GLFW_FALSE;
@@ -711,12 +709,11 @@ void _glfwTerminateWin32(void)
UnregisterDeviceNotification(_glfw.win32.deviceNotificationHandle);
if (_glfw.win32.helperWindowHandle)
{
DestroyWindow(_glfw.win32.helperWindowHandle);
UnregisterClassW(L"GLFW3 Helper", _glfw.win32.instance);
}
_glfwUnregisterWindowClassWin32();
if (_glfw.win32.helperWindowClass)
UnregisterClassW(MAKEINTATOM(_glfw.win32.helperWindowClass), _glfw.win32.instance);
if (_glfw.win32.mainWindowClass)
UnregisterClassW(MAKEINTATOM(_glfw.win32.mainWindowClass), _glfw.win32.instance);
_glfw_free(_glfw.win32.clipboardString);
_glfw_free(_glfw.win32.rawInput);