diff options
Diffstat (limited to 'wintable/new/header.h')
| -rw-r--r-- | wintable/new/header.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/wintable/new/header.h b/wintable/new/header.h index f23c812..d0fe457 100644 --- a/wintable/new/header.h +++ b/wintable/new/header.h @@ -56,10 +56,15 @@ static void headerAddColumn(struct table *t, WCHAR *name) panic("error adding column to Table header"); } +// TODO make a better name for this? +// TODO move to hscroll.h? +// TODO organize this in general... +// TODO because of this function's new extended functionality only hscrollto() is allowed to call repositionHeader() static void updateTableWidth(struct table *t) { HDITEMW item; intptr_t i; + RECT client; t->width = 0; // TODO count dividers? @@ -70,6 +75,16 @@ static void updateTableWidth(struct table *t) panic("error getting Table column width for updateTableWidth()"); t->width += item.cxy; } + + if (GetClientRect(t->hwnd, &client) == 0) + panic("error getting Table client rect in updateTableWidth()"); + t->hpagesize = client.right - client.left; + + // this part is critical: if we resize the columns to less than the client area width, then the following hscrollby() will make t->hscrollpos negative, which does very bad things + // note to self: do this regardless of whether the table width or the client area width was changed + if (t->hpagesize > t->width) + t->hpagesize = t->width; + // do a dummy scroll to update the horizontal scrollbar to use the new width hscrollby(t, 0); } |