diff options
author | David Robillard <d@drobilla.net> | 2019-06-30 16:45:14 +0200 |
---|---|---|
committer | David Robillard <d@drobilla.net> | 2019-06-30 18:59:36 +0200 |
commit | a1569ce4c59c5f39f94460cf083c46eabf86bd2f (patch) | |
tree | c81db3c593a8831e9840a9b24eab58a2179a56ea | |
parent | a70a3d26eb47598f6b7a90978e1c2172bea5e499 (diff) |
Clean up window creation on Windows
-rw-r--r-- | pugl/pugl_win.cpp | 54 |
1 files changed, 24 insertions, 30 deletions
diff --git a/pugl/pugl_win.cpp b/pugl/pugl_win.cpp index eade22a..9cd0e1f 100644 --- a/pugl/pugl_win.cpp +++ b/pugl/pugl_win.cpp @@ -51,13 +51,14 @@ #define PUGL_LOCAL_CLOSE_MSG (WM_USER + 50) struct PuglInternalsImpl { - HWND hwnd; - HDC hdc; - HGLRC hglrc; - WNDCLASS wc; - double timerFrequency; + HWND hwnd; + HDC hdc; + HGLRC hglrc; + double timerFrequency; }; +static const TCHAR* DEFAULT_CLASSNAME = "Pugl"; + LRESULT CALLBACK wndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam); @@ -96,8 +97,6 @@ puglLeaveContext(PuglView* view, bool flush) int puglCreateWindow(PuglView* view, const char* title) { - static const TCHAR* DEFAULT_CLASSNAME = "Pugl"; - PuglInternals* impl = view->impl; LARGE_INTEGER frequency; @@ -108,6 +107,8 @@ puglCreateWindow(PuglView* view, const char* title) title = "Window"; } + const char* className = view->windowClass ? view->windowClass : DEFAULT_CLASSNAME; + WNDCLASSEX wc; memset(&wc, 0, sizeof(wc)); wc.cbSize = sizeof(wc); @@ -117,12 +118,9 @@ puglCreateWindow(PuglView* view, const char* title) wc.hIcon = LoadIcon(NULL, IDI_APPLICATION); // TODO: user-specified icon wc.hCursor = LoadCursor(NULL, IDC_ARROW); wc.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH); - wc.lpszClassName = view->windowClass ? view->windowClass : DEFAULT_CLASSNAME; + wc.lpszClassName = className; if (!RegisterClassEx(&wc)) { - free((void*)impl->wc.lpszClassName); - free(impl); - free(view); - return NULL; + return 1; } unsigned winFlags = view->parent ? WS_CHILD : WS_POPUPWINDOW | WS_CAPTION; @@ -143,16 +141,13 @@ puglCreateWindow(PuglView* view, const char* title) impl->hwnd = CreateWindowEx( WS_EX_TOPMOST, - wc.lpszClassName, title, + className, title, (view->parent ? WS_CHILD : winFlags), CW_USEDEFAULT, CW_USEDEFAULT, wr.right-wr.left, wr.bottom-wr.top, (HWND)view->parent, NULL, NULL, NULL); if (!impl->hwnd) { - free((void*)impl->wc.lpszClassName); - free(impl); - free(view); - return 1; + return 2; } #ifdef _WIN64 @@ -180,11 +175,8 @@ puglCreateWindow(PuglView* view, const char* title) if (!impl->hglrc) { ReleaseDC(impl->hwnd, impl->hdc); DestroyWindow(impl->hwnd); - UnregisterClass(impl->wc.lpszClassName, NULL); - free((void*)impl->wc.lpszClassName); - free(impl); - free(view); - return NULL; + UnregisterClass(className, NULL); + return 3; } wglMakeCurrent(impl->hdc, impl->hglrc); @@ -221,14 +213,16 @@ puglHideWindow(PuglView* view) void puglDestroy(PuglView* view) { - wglMakeCurrent(NULL, NULL); - wglDeleteContext(view->impl->hglrc); - ReleaseDC(view->impl->hwnd, view->impl->hdc); - DestroyWindow(view->impl->hwnd); - UnregisterClass(view->impl->wc.lpszClassName, NULL); - free(view->windowClass); - free(view->impl); - free(view); + if (view) { + wglMakeCurrent(NULL, NULL); + wglDeleteContext(view->impl->hglrc); + ReleaseDC(view->impl->hwnd, view->impl->hdc); + DestroyWindow(view->impl->hwnd); + UnregisterClass(view->windowClass ? view->windowClass : DEFAULT_CLASSNAME, NULL); + free(view->windowClass); + free(view->impl); + free(view); + } } static PuglKey |