45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
// 9 december 2014
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static void hscrollto(struct table *t, intptr_t pos)
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{
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// TODO
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}
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static void hscrollby(struct table *t, intptr_t delta)
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{
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// TODO
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}
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static void hscroll(struct table *t, WPARAM wParam, LPARAM lParam)
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{
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// TODO
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}
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static void recomputeHScroll(struct table *t)
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{
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SCROLLINFO si;
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HDITEMW item;
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intptr_t i, width;
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RECT r;
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width = 0;
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// TODO count dividers?
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for (i = 0; i < t->nColumns; i++) {
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ZeroMemory(&item, sizeof (HDITEMW));
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item.mask = HDI_WIDTH;
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if (SendMessageW(t->header, HDM_GETITEM, (WPARAM) i, (LPARAM) (&item)) == FALSE)
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panic("error getting Table column width for recomputeHScroll()");
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width += item.cxy;
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}
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if (GetClientRect(t->hwnd, &r) == 0)
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panic("error getting Table client rect for recomputeHScroll()");
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ZeroMemory(&si, sizeof (SCROLLINFO));
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si.cbSize = sizeof (SCROLLINFO);
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si.fMask = SIF_PAGE | SIF_RANGE;
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si.nPage = r.right - r.left;
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si.nMin = 0;
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si.nMax = width - 1; // endpoint inclusive
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SetScrollInfo(t->hwnd, SB_HORZ, &si, TRUE);
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// TODO what happens if the above call renders the current scroll position moot?
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}
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