Started migrating windows/window.c back.
This commit is contained in:
Pietro Gagliardi
parent
00e53ef547
commit
b891871c4e
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// 27 april 2015
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#include "uipriv_windows.h"
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#define windowClass L"libui_uiWindowClass"
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struct window {
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uiWindow w;
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HWND hwnd;
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HMENU menubar;
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uiControl *child;
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int hidden;
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BOOL shownOnce;
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int (*onClosing)(uiWindow *, void *);
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void *onClosingData;
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int margined;
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};
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static LRESULT CALLBACK windowWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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struct window *w;
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CREATESTRUCTW *cs = (CREATESTRUCTW *) lParam;
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WINDOWPOS *wp = (WINDOWPOS *) lParam;
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RECT r;
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w = (struct window *) GetWindowLongPtrW(hwnd, GWLP_USERDATA);
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if (w == NULL) {
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if (uMsg == WM_CREATE)
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SetWindowLongPtrW(hwnd, GWLP_USERDATA, (LONG_PTR) (cs->lpCreateParams));
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// fall through to DefWindowProc() anyway
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return DefWindowProcW(hwnd, uMsg, wParam, lParam);
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}
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// TODO container stuff
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switch (uMsg) {
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case WM_COMMAND:
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// not a menu
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if (lParam != 0)
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break;
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if (HIWORD(wParam) != 0)
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break;
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runMenuEvent(LOWORD(wParam), uiWindow(w));
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return 0;
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case WM_WINDOWPOSCHANGED:
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if ((wp->flags & SWP_NOSIZE) != 0)
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break;
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if (w->child != NULL)
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uiControlQueueResize(w->child);
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return 0;
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case WM_CLOSE:
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if ((*(w->onClosing))(uiWindow(w), w->onClosingData))
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uiControlDestroy(uiControl(w));
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return 0; // we destroyed it already
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}
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return DefWindowProcW(hwnd, uMsg, wParam, lParam);
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}
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ATOM registerWindowClass(HICON hDefaultIcon, HCURSOR hDefaultCursor)
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{
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WNDCLASSW wc;
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ZeroMemory(&wc, sizeof (WNDCLASSW));
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wc.lpszClassName = windowClass;
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wc.lpfnWndProc = windowWndProc;
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wc.hInstance = hInstance;
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wc.hIcon = hDefaultIcon;
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wc.hCursor = hDefaultCursor;
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wc.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
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return RegisterClassW(&wc);
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}
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void unregisterWindowClass(void)
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{
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if (UnregisterClassW(windowClass, hInstance) == 0)
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logLastError("error unregistering uiWindow window class in unregisterWindowClass()");
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}
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static int defaultOnClosing(uiWindow *w, void *data)
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{
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return 0;
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}
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static void onDestroy(void *data)
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{
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struct window *w = (struct window *) data;
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// first hide ourselves
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ShowWindow(w->hwnd, SW_HIDE);
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// now destroy the child
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// we need to unset its parent first
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if (w->child != NULL) {
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uiControlSetParent(w->child, NULL);
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uiControlDestroy(w->child);
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}
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// now free the menubar, if any
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if (w->menubar != NULL)
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freeMenubar(w->menubar);
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// now destroy ourselves
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uiFree(w);
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}
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static void windowPreferredSize(uiControl *c, uiSizing *d, intmax_t *width, intmax_t *height)
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{
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complain("attempt to get the preferred size of the uiWindow at %p", c);
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}
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static void windowResize(uiControl *c, intmax_t x, intmax_t y, intmax_t width, intmax_t height, uiSizing *d)
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{
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complain("attempt to resize the uiWindow at %p", c);
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}
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// from https://msdn.microsoft.com/en-us/library/windows/desktop/dn742486.aspx#sizingandspacing
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#define windowMargin 7
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static void windowComputeChildSize(uiControl *c, intmax_t *x, intmax_t *y, intmax_t *width, intmax_t *height, uiSizing *d)
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{
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struct window *w = (struct window *) c;
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RECT r;
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if (GetClientRect(w->hwnd, &r) == 0)
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logLastError("error getting uiWindow client rect in windowComputeChildSize()");
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*x = r.left;
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*y = r.top;
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*width = r.right - r.left;
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*height = r.bottom - r.top;
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if (w->margined) {
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// TODO
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}
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}
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static char *windowTitle(uiWindow *ww)
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{
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struct window *w = (struct window *) ww;
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WCHAR *wtext;
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char *text;
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wtext = windowText(w->hwnd);
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text = toUTF8(wtext);
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uiFree(wtext);
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return text;
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}
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static void windowSetTitle(uiWindow *ww, const char *title)
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{
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struct window *w = (struct window *) ww;
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WCHAR *wtitle;
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wtitle = toUTF16(title);
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if (SetWindowTextW(w->hwnd, wtitle) == 0)
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logLastError("error setting window title in uiWindowSetTitle()");
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uiFree(wtitle);
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}
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static void windowOnClosing(uiWindow *ww, int (*f)(uiWindow *, void *), void *data)
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{
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struct window *w = (struct window *) ww;
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w->onClosing = f;
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w->onClosingData = data;
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}
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static void windowSetChild(uiWindow *ww, uiControl *child)
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{
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struct window *w = (struct window *) ww;
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if (w->child != NULL)
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uiControlSetParent(w->child, NULL);
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w->child = child;
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uiControlSetParent(w->child, uiControl(w));
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uiControlQueueResize(w->child);
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}
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static int windowMargined(uiWindow *ww)
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{
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struct window *w = (struct window *) ww;
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return w->margined;
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}
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static void windowSetMargined(uiWindow *ww, int margined)
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{
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struct window *w = (struct window *) ww;
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w->margined = margined;
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if (w->child != NULL)
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uiControlQueueResize(w->child);
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}
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// see http://blogs.msdn.com/b/oldnewthing/archive/2003/09/11/54885.aspx and http://blogs.msdn.com/b/oldnewthing/archive/2003/09/13/54917.aspx
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static void setClientSize(struct window *w, int width, int height, BOOL hasMenubar, DWORD style, DWORD exstyle)
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{
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RECT window;
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window.left = 0;
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window.top = 0;
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window.right = width;
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window.bottom = height;
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if (AdjustWindowRectEx(&window, style, hasMenubar, exstyle) == 0)
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logLastError("error getting real window coordinates in setClientSize()");
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if (hasMenubar) {
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RECT temp;
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temp = window;
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temp.bottom = 0x7FFF; // infinite height
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SendMessageW(w->hwnd, WM_NCCALCSIZE, (WPARAM) FALSE, (LPARAM) (&temp));
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window.bottom += temp.top;
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}
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if (SetWindowPos(w->hwnd, NULL, 0, 0, window.right - window.left, window.bottom - window.top, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOZORDER) == 0)
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logLastError("error resizing window in setClientSize()");
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}
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uiWindow *uiNewWindow(const char *title, int width, int height, int hasMenubar)
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{
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struct window *w;
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WCHAR *wtitle;
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BOOL hasMenubarBOOL;
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w = uiNew(struct window);
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hasMenubarBOOL = FALSE;
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if (hasMenubar)
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hasMenubarBOOL = TRUE;
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#define style WS_OVERLAPPEDWINDOW
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#define exstyle 0
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wtitle = toUTF16(title);
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w->hwnd = CreateWindowExW(exstyle,
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windowClass, wtitle,
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style,
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CW_USEDEFAULT, CW_USEDEFAULT,
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// use the raw width and height for now
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// this will get CW_USEDEFAULT (hopefully) predicting well
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// even if it doesn't, we're adjusting it later
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width, height,
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NULL, NULL, hInstance, w);
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if (w->hwnd == NULL)
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logLastError("error creating window in uiWindow()");
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uiFree(wtitle);
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if (hasMenubar) {
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w->menubar = makeMenubar();
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if (SetMenu(w->hwnd, w->menubar) == 0)
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logLastError("error giving menu to window in uiNewWindow()");
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}
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// and use the proper size
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setClientSize(w, width, height, hasMenubarBOOL, style, exstyle);
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w->onClosing = defaultOnClosing;
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uiControl(w)->Destroy = windowDestroy;
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uiControl(w)->Handle = windowHandle;
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uiControl(w)->SetParent = windowSetParent;
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uiControl(w)->PreferredSize = windowPreferredSize;
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uiControl(w)->Resize = windowResize;
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uiControl(w)->Visible = windowVisible;
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uiControl(w)->Show = windowShow;
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uiControl(w)->Hide = windowHide;
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uiControl(w)->Enable = windowEnable;
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uiControl(w)->Disable = windowDisable;
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uiWindow(w)->Title = windowTitle;
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uiWindow(w)->SetTitle = windowSetTitle;
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uiWindow(w)->OnClosing = windowOnClosing;
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uiWindow(w)->SetChild = windowSetChild;
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uiWindow(w)->Margined = windowMargined;
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uiWindow(w)->SetMargined = windowSetMargined;
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return uiWindow(w);
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}
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