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Fixed notification-sending issue on Windows.

This commit is contained in:
Pietro Gagliardi 2015-04-13 09:31:57 -04:00
parent 8ec3acdde9
commit 2005f18624
1 changed files with 26 additions and 19 deletions
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45
parent_windows.c
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@ -114,47 +114,54 @@ static LRESULT CALLBACK parentWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARA
WINDOWPOS *wp = (WINDOWPOS *) lParam;
RECT r, margin;
p = (uiParent *) GetWindowLongPtrW(hwnd, GWLP_USERDATA);
if (p == NULL) {
if (uMsg == WM_NCCREATE) {
p = (uiParent *) (cs->lpCreateParams);
SetWindowLongPtrW(hwnd, GWLP_USERDATA, (LONG_PTR) p);
// fall through to DefWindowProcW()
}
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
}
pp = (struct parent *) (p->Internal);
// these must always be executed, even on the initial parent
// why? http://blogs.msdn.com/b/oldnewthing/archive/2010/03/16/9979112.aspx
switch (uMsg) {
case WM_NCDESTROY:
// no need to explicitly destroy children; they're already gone by this point (and so are their data structures; they clean up after themselves)
uiFree(p->Internal);
uiFree(p);
break; // fall through to DefWindowPocW()
case WM_COMMAND:
// bounce back to the control in question
// except if to the initial parent, in which case act as if the message was ignored
control = (HWND) lParam;
if (control != NULL && IsChild(initialParent, control) == 0)
return SendMessageW(control, msgCOMMAND, wParam, lParam);
break; // fall through to DefWindowPocW()
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
case WM_NOTIFY:
// same as WM_COMMAND
control = nm->hwndFrom;
if (control != NULL && IsChild(initialParent, control) == 0)
return SendMessageW(control, msgNOTIFY, wParam, lParam);
break; // fall through to DefWindowProcW()
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
case WM_CTLCOLORSTATIC:
case WM_CTLCOLORBTN:
/*TODO // read-only TextFields and Textboxes are exempt
// this is because read-only edit controls count under WM_CTLCOLORSTATIC
if (windowClassOf((HWND) lParam, L"edit", NULL) == 0)
if (textfieldReadOnly((HWND) lParam))
break; // fall through to DefWindowProcW()
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
*/ if (SetBkMode((HDC) wParam, TRANSPARENT) == 0)
logLastError("error setting transparent background mode to controls in parentWndProc()");
paintControlBackground((HWND) lParam, (HDC) wParam);
return (LRESULT) hollowBrush;
}
// these are only executed on actual parents
p = (uiParent *) GetWindowLongPtrW(hwnd, GWLP_USERDATA);
if (p == NULL) {
if (uMsg == WM_NCCREATE) {
p = (uiParent *) (cs->lpCreateParams);
// this will be NULL for the initial parent; that's what we want
SetWindowLongPtrW(hwnd, GWLP_USERDATA, (LONG_PTR) p);
// fall through to DefWindowProcW()
}
// this is the return the initial parent will always use
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
}
pp = (struct parent *) (p->Internal);
switch (uMsg) {
case WM_NCDESTROY:
// no need to explicitly destroy children; they're already gone by this point (and so are their data structures; they clean up after themselves)
uiFree(p->Internal);
uiFree(p);
break; // fall through to DefWindowPocW()
case WM_WINDOWPOSCHANGED:
if ((wp->flags & SWP_NOSIZE) != 0)
break;