LRESULT APIENTRY GotoEditSubclassProc()

in src/wfgoto.cpp [499:538]

• 39 lines of code
• 16 McCabe index (conditional complexity)

LRESULT APIENTRY GotoEditSubclassProc(
	HWND hwnd,
	UINT uMsg,
	WPARAM wParam,
	LPARAM lParam)
{
	switch (uMsg)
	{
	case WM_GETDLGCODE:
		if (lParam) {
			LPMSG lpmsg = (LPMSG)lParam;

			if (lpmsg->message == WM_KEYDOWN && (lpmsg->wParam == VK_DOWN || lpmsg->wParam == VK_UP || lpmsg->wParam == VK_HOME || lpmsg->wParam == VK_END)) {
				HWND hwndDlg = GetParent(hwnd);
				DWORD iSel = SendDlgItemMessage(hwndDlg, IDD_GOTOLIST, LB_GETCURSEL, 0, 0);
				if (iSel == LB_ERR)
					iSel = 0;
				else if (lpmsg->wParam == VK_DOWN)
					iSel++;
				else if (lpmsg->wParam == VK_UP)
					iSel--;
				else if (lpmsg->wParam == VK_HOME)
					iSel = 0;
				else if (lpmsg->wParam == VK_END)
				{
					iSel = SendDlgItemMessage(hwndDlg, IDD_GOTOLIST, LB_GETCOUNT, 0, 0) - 1;
				}
				if (SendDlgItemMessage(hwndDlg, IDD_GOTOLIST, LB_SETCURSEL, iSel, 0) == LB_ERR) {
					if (lpmsg->wParam == VK_DOWN)
						SendDlgItemMessage(hwndDlg, IDD_GOTOLIST, LB_SETCURSEL, 0, 0);
					else if (lpmsg->wParam == VK_UP)
						SendDlgItemMessage(hwndDlg, IDD_GOTOLIST, LB_SETCURSEL, SendDlgItemMessage(hwndDlg, IDD_GOTOLIST, LB_GETCOUNT, 0, 0) - 1, 0);
				}
				return DLGC_WANTALLKEYS;
			}
		}
		break;
	}
	return CallWindowProc(wpOrigEditProc, hwnd, uMsg, wParam, lParam);
}