87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
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struct uiWindow {
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// BOOL hasMenubar;
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void (*onPositionChanged)(uiWindow *, void *);
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void *onPositionChangedData;
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BOOL changingPosition; // to avoid triggering the above when programmatically doing this
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// void (*onContentSizeChanged)(uiWindow *, void *);
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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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case WM_WINDOWPOSCHANGED:
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if ((wp->flags & SWP_NOMOVE) == 0)
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if (!w->changingPosition)
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(*(w->onPositionChanged))(w, w->onPositionChangedData);
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// and continue anyway
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// if ((wp->flags & SWP_NOSIZE) != 0)
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}
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// static int defaultOnClosing(uiWindow *w, void *data)
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static void defaultOnPositionContentSizeChanged(uiWindow *w, void *data)
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{
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// do nothing
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}
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// static std::map<uiWindow *, bool> windows;
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// void uiWindowSetTitle(uiWindow *w, const char *title)
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void uiWindowPosition(uiWindow *w, int *x, int *y)
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{
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RECT r;
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uiWindowsEnsureGetWindowRect(w->hwnd, &r);
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*x = r.left;
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*y = r.top;
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}
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void uiWindowSetPosition(uiWindow *w, int x, int y)
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{
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w->changingPosition = TRUE;
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if (SetWindowPos(w->hwnd, NULL, x, y, 0, 0, SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSIZE | SWP_NOZORDER) == 0)
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logLastError(L"error moving window");
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w->changingPosition = FALSE;
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}
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// static void windowMonitorRect(HWND hwnd, RECT *r)
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// TODO use the work rect instead?
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void uiWindowCenter(uiWindow *w)
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{
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RECT wr, mr;
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int x, y;
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LONG wwid, mwid;
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LONG wht, mht;
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uiWindowsEnsureGetWindowRect(w->hwnd, &wr);
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windowMonitorRect(w->hwnd, &mr);
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wwid = wr.right - wr.left;
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mwid = mr.right - mr.left;
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x = (mwid - wwid) / 2;
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wht = wr.bottom - wr.top;
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mht = mr.bottom - mr.top;
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y = (mht - wht) / 2;
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// y is now evenly divided, however https://msdn.microsoft.com/en-us/library/windows/desktop/dn742502(v=vs.85).aspx says that 45% should go above and 55% should go below
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// so just move 5% of the way up
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// TODO should this be on the work area?
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// TODO is this calculation correct?
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y -= y / 20;
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uiWindowSetPosition(w, x, y);
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}
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void uiWindowOnPositionChanged(uiWindow *w, void (*f)(uiWindow *, void *), void *data)
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{
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w->onPositionChanged = f;
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w->onPositionChangedData = data;
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}
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// void uiWindowContentSize(uiWindow *w, int *width, int *height)
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uiWindow *uiNewWindow(const char *title, int width, int height, int hasMenubar)
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{
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// uiWindowOnClosing(w, defaultOnClosing, NULL);
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uiWindowOnPositionChanged(w, defaultOnPositionContentSizeChanged, NULL);
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// uiWindowOnContentSizeChanged(w, defaultOnPositionContentSizeChanged, NULL);
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}
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