147 lines
3.3 KiB
C
147 lines
3.3 KiB
C
// 6 april 2015
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#include "uipriv_windows.h"
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struct uiWindow {
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HWND hwnd;
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uiControl *child;
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BOOL shownOnce;
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int (*onClosing)(uiWindow *, void *);
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void *onClosingData;
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};
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#define uiWindowClass L"uiWindowClass"
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static LRESULT CALLBACK uiWindowWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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uiWindow *w;
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CREATESTRUCTW *cs = (CREATESTRUCTW *) lParam;
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LRESULT lResult;
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WINDOWPOS *wp = (WINDOWPOS *) lParam;
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RECT r;
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w = (uiWindow *) 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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if (sharedWndProc(hwnd, uMsg, wParam, lParam, &lResult) != FALSE)
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return lResult;
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switch (uMsg) {
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case WM_WINDOWPOSCHANGED:
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if (w->child == NULL)
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break;
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if ((wp->flags & SWP_NOSIZE) != 0)
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break;
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if (GetClientRect(w->hwnd, &r) == 0)
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logLastError("error getting window client rect for resize in uiWindowWndProc()");
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resize(w->child, w->hwnd, r);
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return 0;
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case WM_CLOSE:
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if (!(*(w->onClosing))(w, w->onClosingData))
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return 0;
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break; // fall through to DefWindowProcW()
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case WM_DESTROY:
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if (w->child != NULL)
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uiControlDestroy(w->child);
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uiFree(w);
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break; // fall through to DefWindowProcW()
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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 = uiWindowClass;
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wc.lpfnWndProc = uiWindowWndProc;
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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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#define exstyle 0
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#define style WS_OVERLAPPEDWINDOW
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static int defaultOnClosing(uiWindow *w, void *data)
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{
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return 1;
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}
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uiWindow *uiNewWindow(char *title, int width, int height)
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{
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uiWindow *w;
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RECT adjust;
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WCHAR *wtitle;
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w = uiNew(uiWindow);
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// TODO move other cases of default events here relative
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w->onClosing = defaultOnClosing;
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adjust.left = 0;
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adjust.top = 0;
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adjust.right = width;
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adjust.bottom = height;
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if (AdjustWindowRectEx(&adjust, style, FALSE, exstyle) == 0)
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logLastError("error getting real window coordinates in uiWindow()");
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wtitle = toUTF16(title);
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w->hwnd = CreateWindowExW(exstyle,
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uiWindowClass, wtitle,
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style,
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CW_USEDEFAULT, CW_USEDEFAULT,
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adjust.right - adjust.left, adjust.bottom - adjust.top,
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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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return w;
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}
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void uiWindowDestroy(uiWindow *w)
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{
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DestroyWindow(w->hwnd);
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}
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uintptr_t uiWindowHandle(uiWindow *w)
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{
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return (uintptr_t) (w->hwnd);
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}
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// TODO titles
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void uiWindowShow(uiWindow *w)
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{
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if (w->shownOnce) {
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ShowWindow(w->hwnd, SW_SHOW);
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return;
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}
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w->shownOnce = TRUE;
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ShowWindow(w->hwnd, nCmdShow);
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if (UpdateWindow(w->hwnd) == 0)
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logLastError("error calling UpdateWindow() after showing uiWindow for the first time");
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}
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void uiWindowHide(uiWindow *w)
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{
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ShowWindow(w->hwnd, SW_HIDE);
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}
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void uiWindowOnClosing(uiWindow *w, int (*f)(uiWindow *, void *), void *data)
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{
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w->onClosing = f;
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w->onClosingData = data;
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}
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void uiWindowSetChild(uiWindow *w, uiControl *c)
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{
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w->child = c;
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(*(w->child->setParent))(w->child, (uintptr_t) (w->hwnd));
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}
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