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Started re-adding the header stuff for real this time.

This commit is contained in:
Pietro Gagliardi 2014-12-07 18:27:35 -05:00
parent e224950cf4
commit e373900cf0
2 changed files with 26 additions and 2 deletions
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20
wintable/new/header.h Normal file
View File

@ -0,0 +1,20 @@
// 7 december 2014
static void makeHeader(struct table *t, HINSTANCE hInstance)
{
t->header = CreateWindowExW(0,
WC_HEADERW, L"",
// 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");
}

8
wintable/new/main.c
View File

@ -54,6 +54,7 @@ struct table {
#include "util.h"
#include "coord.h"
#include "events.h"
#include "header.h"
static const handlerfunc handlers[] = {
eventHandlers,
@ -69,20 +70,23 @@ static LRESULT CALLBACK tableWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM
if (t == NULL) {
// we have to do things this way because creating the header control will fail mysteriously if we create it first thing
// (which is fine; we can get the parent hInstance this way too)
if (uMsg == WM_NCCREATE) {
// we use WM_CREATE because we have to use WM_DESTROY to destroy the header; trying to do it within WM_NCDESTROY results in DestroyWindow() failing (on wine, at least)
if (uMsg == WM_CREATE) {
CREATESTRUCTW *cs = (CREATESTRUCTW *) lParam;
t = (struct table *) tableAlloc(sizeof (struct table), "error allocating internal Table data structure");
t->hwnd = hwnd;
makeHeader(t, cs->hInstance);
SetWindowLongPtrW(hwnd, GWLP_USERDATA, (LONG_PTR) t);
}
// even if we did the above, fall through
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
}
// TODO decide if we do this in WM_DESTROY or WM_NCDESTROY (need to see how the header control responds) so this can be in sync witht he above
if (uMsg == WM_DESTROY) {
printf("destroy\n");
// TODO free appropriate (after figuring this part out) components of t
// TODO send DESTROY events to accessibility listeners (when appropriate)
destroyHeader(t);
tableFree(t, "error allocating internal Table data structure");
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
}