static LRESULT CALLBACK groupSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR uIdSubclass, DWORD_PTR dwRefData)
{
uiGroup *g = uiGroup(dwRefData);
WINDOWPOS *wp = (WINDOWPOS *) lParam;
MINMAXINFO *mmi = (MINMAXINFO *) lParam;
int minwid, minht;
LRESULT lResult;
if (handleParentMessages(hwnd, uMsg, wParam, lParam, &lResult) != FALSE)
return lResult;
switch (uMsg) {
case WM_WINDOWPOSCHANGED:
if ((wp->flags & SWP_NOSIZE) != 0)
break;
groupRelayout(g);
return 0;
case WM_GETMINMAXINFO:
lResult = DefWindowProcW(hwnd, uMsg, wParam, lParam);
uiWindowsControlMinimumSize(uiWindowsControl(g), &minwid, &minht);
mmi->ptMinTrackSize.x = minwid;
mmi->ptMinTrackSize.y = minht;
return lResult;
case WM_NCDESTROY:
if (RemoveWindowSubclass(hwnd, groupSubProc, uIdSubclass) == FALSE)
logLastError(L"error removing groupbox subclass");
break;
}
return DefSubclassProc(hwnd, uMsg, wParam, lParam);
}
static LRESULT CALLBACK utilWindowWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
void (*qf)(void *);
LRESULT lResult;
if (handleParentMessages(hwnd, uMsg, wParam, lParam, &lResult) != FALSE)
return lResult;
switch (uMsg) {
case WM_QUERYENDSESSION:
// TODO block handler
if (shouldQuit()) {
uiQuit();
return TRUE;
}
return FALSE;
case WM_WININICHANGE:
issueWM_WININICHANGE(wParam, lParam);
return 0;
case msgQueued:
qf = (void (*)(void *)) wParam;
(*qf)((void *) lParam);
return 0;
}
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
}
static LRESULT CALLBACK utilWindowWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
void (*qf)(void *);
LRESULT lResult;
if (handleParentMessages(hwnd, uMsg, wParam, lParam, &lResult) != FALSE)
return lResult;
switch (uMsg) {
case WM_QUERYENDSESSION:
case msgConsoleEndSession:
// TODO block handler
if (shouldQuit()) {
uiQuit();
return TRUE;
}
return FALSE;
case WM_TIMER:
if (wParam != resizeTimerID)
break;
if (SetTimer(utilWindow, resizeTimerID, resizeTimerInterval, NULL) == 0)
logLastError("error resetting resize timer in utilWindowWndProc()");
doResizes();
return 0;
case WM_WININICHANGE:
issueWM_WININICHANGE(wParam, lParam);
return 0;
case msgQueued:
qf = (void (*)(void *)) wParam;
(*qf)((void *) lParam);
return 0;
}
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
}
static LRESULT CALLBACK windowWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
LONG_PTR ww;
uiWindow *w;
CREATESTRUCTW *cs = (CREATESTRUCTW *) lParam;
WINDOWPOS *wp = (WINDOWPOS *) lParam;
MINMAXINFO *mmi = (MINMAXINFO *) lParam;
intmax_t width, height;
LRESULT lResult;
ww = GetWindowLongPtrW(hwnd, GWLP_USERDATA);
if (ww == 0) {
if (uMsg == WM_CREATE)
SetWindowLongPtrW(hwnd, GWLP_USERDATA, (LONG_PTR) (cs->lpCreateParams));
// fall through to DefWindowProc() anyway
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
}
w = uiWindow((void *) ww);
if (handleParentMessages(hwnd, uMsg, wParam, lParam, &lResult) != FALSE)
return lResult;
switch (uMsg) {
case WM_COMMAND:
// not a menu
if (lParam != 0)
break;
if (HIWORD(wParam) != 0)
break;
runMenuEvent(LOWORD(wParam), uiWindow(w));
return 0;
case WM_WINDOWPOSCHANGED:
if ((wp->flags & SWP_NOSIZE) != 0)
break;
windowRelayout(w);
return 0;
case WM_GETMINMAXINFO:
// ensure the user cannot resize the window smaller than its minimum size
lResult = DefWindowProcW(hwnd, uMsg, wParam, lParam);
uiWindowsControlMinimumSize(uiWindowsControl(w), &width, &height);
// width and height are in client coordinates; ptMinTrackSize is in window coordinates
clientSizeToWindowSize(w->hwnd, &width, &height, w->hasMenubar);
mmi->ptMinTrackSize.x = width;
mmi->ptMinTrackSize.y = height;
return lResult;
case WM_PRINTCLIENT:
// we do no special painting; just erase the background
// don't worry about the return value; we let DefWindowProcW() handle this message
SendMessageW(hwnd, WM_ERASEBKGND, wParam, lParam);
return 0;
case WM_CLOSE:
if ((*(w->onClosing))(w, w->onClosingData))
uiControlDestroy(uiControl(w));
return 0; // we destroyed it already
}
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
}
