123 lines
3.8 KiB
C
123 lines
3.8 KiB
C
// 14 may 2015
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#include "uipriv_windows.h"
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static struct ptrArray *resizes;
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void initResizes(void)
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{
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resizes = newPtrArray();
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}
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void uninitResizes(void)
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{
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while (resizes->len != 0)
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ptrArrayDelete(resizes, 0);
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ptrArrayDestroy(resizes);
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}
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void uiWindowsControlQueueRelayout(uiWindowsControl *c)
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{
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uiControl *cc;
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uintmax_t i;
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uiWindowsControl *d;
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// resizing a control requires us to reocmpute the sizes of everything in the top-level window
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cc = toplevelOwning(uiControl(c));
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if (cc == NULL)
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return;
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c = uiWindowsControl(cc);
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// make sure we're only queued once
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for (i = 0 ; i < resizes->len; i++) {
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d = ptrArrayIndex(resizes, uiWindowsControl *, i);
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if (c == d)
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return;
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}
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ptrArrayAppend(resizes, c);
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}
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void doResizes(void)
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{
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uiWindowsControl *w;
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HWND hwnd;
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RECT r;
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while (resizes->len != 0) {
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w = ptrArrayIndex(resizes, uiWindowsControl *, 0);
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ptrArrayDelete(resizes, 0);
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hwnd = (HWND) uiControlHandle(uiControl(w));
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if (GetClientRect(hwnd, &r) == 0)
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logLastError("error getting uiWindow client rect in doResizes()");
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(*(w->Relayout))(w, r.left, r.top, r.right - r.left, r.bottom - r.top);
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// we used SWP_NOREDRAW; we need to queue a redraw ourselves
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// force all controls to be redrawn; this fixes things like the date-time picker's up-down not showing up until hovered over (and bypasses complications caused by WS_CLIPCHILDREN and WS_CLIPSIBLINGS, which we don't use but other controls might)
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if (RedrawWindow(hwnd, NULL, NULL, RDW_ERASE | RDW_INVALIDATE | RDW_ALLCHILDREN) == 0)
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logLastError("error redrawing controls after a resize in doResizes()");
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}
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}
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void uiWindowsEnsureMoveWindow(HWND hwnd, intmax_t x, intmax_t y, intmax_t width, intmax_t height)
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{
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RECT r;
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r.left = x;
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r.top = y;
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r.right = x + width;
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r.bottom = y + height;
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if (SetWindowPos(hwnd, NULL, r.left, r.top, r.right - r.left, r.bottom - r.top, SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOREDRAW | SWP_NOZORDER) == 0)
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logLastError("error moving window in moveWindow()");
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}
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void setWindowInsertAfter(HWND hwnd, HWND insertAfter)
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{
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if (SetWindowPos(hwnd, insertAfter, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOSIZE) == 0)
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logLastError("error reordering window in setWindowInsertAfter()");
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}
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// from https://msdn.microsoft.com/en-us/library/windows/desktop/dn742486.aspx#sizingandspacing and https://msdn.microsoft.com/en-us/library/windows/desktop/bb226818%28v=vs.85%29.aspx
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// this X value is really only for buttons but I don't see a better one :/
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#define winXPadding 4
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#define winYPadding 4
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uiWindowsSizing *uiWindowsNewSizing(HWND hwnd)
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{
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uiWindowsSizing *d;
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HDC dc;
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HFONT prevfont;
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TEXTMETRICW tm;
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SIZE size;
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d = uiNew(uiWindowsSizing);
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dc = GetDC(hwnd);
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if (dc == NULL)
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logLastError("error getting DC in uiWindowsNewSizing()");
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prevfont = (HFONT) SelectObject(dc, hMessageFont);
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if (prevfont == NULL)
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logLastError("error loading control font into device context in uiWindowsNewSizing()");
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ZeroMemory(&tm, sizeof (TEXTMETRICW));
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if (GetTextMetricsW(dc, &tm) == 0)
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logLastError("error getting text metrics in uiWindowsNewSizing()");
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if (GetTextExtentPoint32W(dc, L"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz", 52, &size) == 0)
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logLastError("error getting text extent point in uiWindowsNewSizing()");
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d->BaseX = (int) ((size.cx / 26 + 1) / 2);
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d->BaseY = (int) tm.tmHeight;
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d->InternalLeading = tm.tmInternalLeading;
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if (SelectObject(dc, prevfont) != hMessageFont)
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logLastError("error restoring previous font into device context in uiWindowsSizing()");
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if (ReleaseDC(hwnd, dc) == 0)
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logLastError("error releasing DC in uiWindowsSizing()");
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d->XPadding = uiWindowsDlgUnitsToX(winXPadding, d->BaseX);
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d->YPadding = uiWindowsDlgUnitsToY(winYPadding, d->BaseY);
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return d;
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}
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void uiWindowsFreeSizing(uiWindowsSizing *d)
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{
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uiFree(d);
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}
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