72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
// 7 december 2014
|
|
|
|
static void makeHeader(struct table *t, HINSTANCE hInstance)
|
|
{
|
|
t->header = CreateWindowExW(0,
|
|
WC_HEADERW, L"",
|
|
// don't set WS_VISIBLE; according to MSDN we create the header hidden as part of setting the initial position (http://msdn.microsoft.com/en-us/library/windows/desktop/ff485935%28v=vs.85%29.aspx)
|
|
// TODO WS_BORDER?
|
|
// TODO is HDS_HOTTRACK needed?
|
|
WS_CHILD | HDS_FULLDRAG | HDS_HORZ | HDS_HOTTRACK,
|
|
0, 0, 0, 0, // no initial size
|
|
t->hwnd, (HMENU) 100, hInstance, NULL);
|
|
if (t->header == NULL)
|
|
panic("error creating Table header");
|
|
}
|
|
|
|
static void destroyHeader(struct table *t)
|
|
{
|
|
if (DestroyWindow(t->header) == 0)
|
|
panic("error destroying Table header");
|
|
}
|
|
|
|
static void repositionHeader(struct table *t)
|
|
{
|
|
RECT r;
|
|
WINDOWPOS wp;
|
|
HDLAYOUT l;
|
|
|
|
if (GetClientRect(t->hwnd, &r) == 0)
|
|
panic("error getting client rect for Table header repositioning");
|
|
l.prc = &r;
|
|
l.pwpos = ℘
|
|
if (SendMessageW(t->header, HDM_LAYOUT, 0, (LPARAM) (&l)) == FALSE)
|
|
panic("error getting new Table header position");
|
|
if (SetWindowPos(t->header, wp.hwndInsertAfter,
|
|
wp.x, wp.y, wp.cx, wp.cy,
|
|
// see above on showing the header here instead of in the CreateWindowExW() call
|
|
wp.flags | SWP_SHOWWINDOW) == 0)
|
|
panic("error repositioning Table header");
|
|
}
|
|
|
|
static void headerAddColumn(struct table *t, WCHAR *name)
|
|
{
|
|
HDITEMW item;
|
|
|
|
ZeroMemory(&item, sizeof (HDITEMW));
|
|
item.mask = HDI_WIDTH | HDI_TEXT | HDI_FORMAT;
|
|
item.cxy = 200; // TODO
|
|
item.pszText = name;
|
|
item.fmt = HDF_LEFT | HDF_STRING;
|
|
// TODO replace 100 with (t->nColumns - 1)
|
|
if (SendMessage(t->header, HDM_INSERTITEM, (WPARAM) (100), (LPARAM) (&item)) == (LRESULT) (-1))
|
|
panic("error adding column to Table header");
|
|
}
|
|
|
|
HANDLER(headerNotifyHandler)
|
|
{
|
|
NMHDR *nmhdr = (NMHDR *) lParam;
|
|
|
|
if (nmhdr->hwndFrom != t->header)
|
|
return FALSE;
|
|
if (nmhdr->code != HDN_ITEMCHANGED)
|
|
return FALSE;
|
|
// TODO should this be last?
|
|
recomputeHScroll(t);
|
|
// TODO make more intelligent
|
|
InvalidateRect(t->hwnd, NULL, TRUE);
|
|
// TODO UpdateWindow()?
|
|
*lResult = 0;
|
|
return TRUE;
|
|
}
|