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Started the work for horizontal scrolling.

This commit is contained in:
Pietro Gagliardi 2014-10-21 12:13:26 -04:00
parent 2fb6254420
commit 63df11929a
1 changed files with 31 additions and 0 deletions
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31
wintable/main.c
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@ -82,6 +82,34 @@ static RECT realClientRect(struct table *t)
return r;
}
static void recomputeHScroll(struct table *t)
{
HDITEMW item;
intptr_t i;
int width = 0;
RECT r;
SCROLLINFO si;
// TODO count dividers
for (i = 0; i < t->nColumns; i++) {
ZeroMemory(&item, sizeof (HDITEMW));
item.mask = HDI_WIDTH;
if (SendMessageW(t->header, HDM_GETITEM, (WPARAM) i, (LPARAM) (&item)) == FALSE)
abort();
width += item.cxy;
}
if (GetClientRect(t->hwnd, &r) == 0)
abort();
ZeroMemory(&si, sizeof (SCROLLINFO));
si.cbSize = sizeof (SCROLLINFO);
si.fMask = SIF_PAGE | SIF_RANGE;
si.nPage = r.right - r.left;
si.nMin = 0;
si.nMax = width - 1; // - 1 because endpoints inclusive
SetScrollInfo(t->hwnd, SB_HORZ, &si, TRUE);
}
static void finishSelect(struct table *t)
{
if (t->selected < 0)
@ -268,6 +296,8 @@ static void resize(struct table *t)
si.nMax = t->count - 1;
si.nPage = t->pagesize;
SetScrollInfo(t->hwnd, SB_VERT, &si, TRUE);
recomputeHScroll(t);
}
static void drawItems(struct table *t, HDC dc, RECT cliprect)
@ -475,6 +505,7 @@ t->nColumns=2;}
// I could use HDN_TRACK but wine doesn't emit that
case HDN_ITEMCHANGING:
case HDN_ITEMCHANGED: // TODO needed?
recomputeHScroll(t);
redrawAll(t);
return FALSE;
}